Touch-sensitive display for recognizing touch input, and electronic device comprising same

Abstract

This electronic device may comprise at least one processor, a display driving circuit, and a touch-sensitive display including a touch sensor and a touch processing circuit. The touch processing circuit can: while the touch-sensitive display is in an idle mode, perform, on the basis of refraining from detecting of a vertical synchronization signal, a first scan according to a first period by using the touch sensor; switch a mode of the touch-sensitive display from the idle mode to the active mode in response to detection of the touch contact; in response to switching to the active mode, perform, on the basis of detecting of a vertical synchronization signal, a second scan according to a second period differing from the first period, by using the touch sensor; and, in response to the detection of the vertical synchronization signal, perform a third scan for transmitting touch data to the at least one processor according to the first period defined from the detected vertical synchronization signal, by using the touch sensor.

Description

Touch-sensitive display for recognizing touch input and electronic device including the same

[0001] The following descriptions relate to a touch-sensitive display for recognizing touch input and an electronic device including the same.

[0002] An electronic device may include a touch circuit arranged on a display panel to perform a function in response to a finger or stylus pen contacting the display panel. For example, the touch circuit may include a touch sensor for identifying the contact based on a capacitive method, a resistive method, an infrared method, an acoustic method, and / or a pressure method, and a processing circuit for acquiring data through the touch sensor.

[0003] The information described above may be provided as related art for the purpose of aiding understanding of the present disclosure. No claim or determination is made as to whether any of the foregoing may be applied as prior art related to the present disclosure.

[0004] An electronic device may include at least one processor including a processing circuit. The electronic device may include a display driving circuit. The electronic device may include a touch-sensitive display including a touch sensor and a touch processing circuit. The touch processing circuit may be configured to perform a first scan to detect a touch contact on the touch-sensitive display according to a first period using the touch sensor, based on refraining from detecting a vertical synchronization signal transmitted from the display driving circuit while the touch-sensitive display is in an idle mode. The touch processing circuit may be configured to switch the mode of the touch-sensitive display from the idle mode to an active mode in response to the detection of the touch contact. The touch processing circuit may be configured to perform a second scan to transmit touch data to the at least one processor according to a second period different from the first period using the touch sensor, based on refraining from detecting a vertical synchronization signal transmitted from the display driving circuit while the touch-sensitive display is in the active mode in response to the switch to the active mode. The touch processing circuit may be configured to perform a third scan to transmit touch data to the at least one processor according to the first period defined from the detected vertical synchronization signal, using the touch sensor, in response to the detection of the vertical synchronization signal while the touch-sensitive display is in the activation mode.

[0005] An electronic device may include at least one processor including a processing circuit. The electronic device may include a display driving circuit. The electronic device may include a touch-sensitive display including a touch sensor and a touch processing circuit. The touch processing circuit may be configured to perform a first scan using the touch sensor to detect a touch contact on the touch-sensitive display according to a first period that is asynchronous with respect to a vertical synchronization signal transmitted from the display driving circuit while the touch-sensitive display is in an idle mode. The touch processing circuit may be configured to switch the mode of the touch-sensitive display from the idle mode to an active mode in response to the detection of the touch contact. The touch processing circuit may be configured to perform detection of a vertical synchronization signal transmitted from the display driving circuit according to a second period that is asynchronous with respect to a vertical synchronization signal transmitted from the display driving circuit and is different from the first period in response to the switch to the active mode. The touch processing circuit may be configured to perform a second scan using the touch sensor to transmit touch data to the at least one processor according to a second period different from the first period, which is asynchronous with respect to a vertical synchronization signal transmitted from the display driving circuit in response to a transition to the activation mode. The touch processing circuit may be configured to perform a third scan using the touch sensor to transmit touch data to the at least one processor according to the first period synchronized with respect to the vertical synchronization signal transmitted from the display driving circuit in response to the detection of the vertical synchronization signal.

[0006] FIG. 1 illustrates an example of driving a touch-sensitive display synchronized with respect to a synchronization signal transmitted from a display driving circuit.

[0007] Figure 2 is a schematic view of an exemplary electronic device.

[0008] FIG. 3 illustrates a first driving example of a touch-sensitive display that is asynchronous with respect to a synchronization signal transmitted from a display driving circuit in an idle mode of the touch-sensitive display for lower-power consumption.

[0009] FIG. 4 illustrates a second driving example of a touch-sensitive display that is asynchronous with respect to a synchronization signal transmitted from a display driving circuit in an idle mode of the touch-sensitive display for low power consumption.

[0010] FIG. 5 illustrates a third driving example of a touch-sensitive display that is asynchronous with respect to a synchronization signal transmitted from a display driving circuit in an idle mode of the touch-sensitive display for low power consumption.

[0011] FIG. 6 illustrates a fourth driving example of a touch-sensitive display that is asynchronous with respect to a synchronization signal transmitted from a display driving circuit in an idle mode of the touch-sensitive display for low power consumption.

[0012] FIG. 7 is a block diagram of an electronic device in a network environment according to various embodiments.

[0013] FIG. 8 is a block diagram of a display module according to various embodiments.

[0014] The terms used in this disclosure are used merely to describe specific embodiments and are not intended to limit the scope of other embodiments. A singular expression may include a plural expression unless the context clearly indicates otherwise. Terms used herein, including technical or scientific terms, may have the same meaning as generally understood by those skilled in the art described in this disclosure. Terms used in this disclosure that are defined in a general dictionary may be interpreted as having the same or similar meaning as they have in the context of the relevant technology, and are not to be interpreted in an ideal or overly formal sense unless explicitly defined in this disclosure. In some cases, even terms defined in this disclosure are not to be interpreted to exclude the embodiments of this disclosure.

[0015] Additionally, in this disclosure, expressions such as "greater than" or "less than" may be used to determine whether a specific condition is satisfied or fulfilled; however, this is merely for the purpose of expressing an example and does not exclude descriptions such as "greater than" or "less than." Conditions described as "greater than" may be replaced with "greater than," conditions described as "less than" may be replaced with "less than," and conditions described as "greater than and less than" may be replaced with "greater than and less than."

[0016] FIG. 1 illustrates an example of driving a touch-sensitive display synchronized with respect to a synchronization signal transmitted from a display driving circuit.

[0017] FIG. 1 illustrates an example of driving a touch-sensitive display (100) synchronized with a synchronization signal transmitted from a display driving circuit so that an electronic device recognizes a touch input through the touch-sensitive display.

[0018] For example, the touch-sensitive display may include a display panel comprising a display area visible from the outside. For example, the display panel may include the display area for displaying an image. For example, the touch-sensitive display may include a touch sensor for detecting contact points for touch input received (or acquired, identified) with respect to the display area of ​​the display panel. For example, the touch sensor may be used to acquire (or measure) sensing data by sensing a change in electrical characteristics (e.g., capacitance) caused by the contact points (or the contact points by an external object). The sensing may include acquiring data by performing a scan (or touch scan). For example, the touch-sensitive display may include a touch processing circuit configured to control the touch sensor. For example, the touch processing circuit may acquire the sensing data and perform processing on the sensing data by controlling the touch sensor.

[0019] For example, the scan may include a self scan (S) and a mutual scan (M). For example, the self scan (S) may be a scan for measuring self-capacitance. For example, the mutual scan (M) may be a scan for measuring mutual capacitance. For example, the touch-sensitive display (or the touch sensor) may include a plurality of transmitting channels and a plurality of receiving channels included within the touch-sensitive display (or the display panel). The transmitting channels may be spaced apart from each other along a first direction (e.g., horizontal direction) of the touch-sensitive display. The receiving channels may be spaced apart from each other along a second direction (e.g., vertical direction) of the touch-sensitive display. For example, the touch-sensitive display may control the touch sensor to perform a self scan (S) for measuring self-capacitance using the transmitting channels or the receiving channels. As a non-limiting example, a self-scan (S) may be performed on areas of the touch-sensitive display along the second direction by sequentially using the transmission channels. As a non-limiting example, a self-scan (S) may be performed on areas of the touch-sensitive display along the first direction by sequentially using the reception channels. For example, the touch-sensitive display may control the touch sensor to perform a mutual scan (M) for measuring the mutual capacitance by using the transmission channels and the reception channels. As a non-limiting example, the mutual scan (M) may be performed on areas of the touch-sensitive display by sequentially using the reception channels for each of the transmission channels.

[0020] The electronic device may recognize a touch input on the touch-sensitive display through the touch-sensitive display. For example, the touch-sensitive display may acquire sensing data regarding contact points on the touch-sensitive display from the touch sensor by controlling the touch sensor to perform the touch scan, and transmit touch data based on the sensing data to at least one processor of the electronic device. For example, the at least one processor may recognize the touch input using the touch data. For example, the touch data may include the sensing data itself, data processed (or post-processed) from the sensing data, or data indicating the location (or coordinates) of the contact points as processed from the sensing data. For example, recognizing the touch input may involve identifying the location (or coordinates) of the touch input as well as the presence (or detection) of the touch input.

[0021] Referring to FIG. 1, the state (101) of a vertical synchronization signal is illustrated. The state (101) of the vertical synchronization signal may indicate whether the vertical synchronization signal is received (or triggered, provided, or transmitted) to synchronize the operation of the touch-sensitive display. The vertical synchronization signal may be referred to as a touch vertical synchronization signal, a touch synchronization signal, or a synchronization signal. For example, the vertical synchronization signal may be transmitted (or provided) from the display driving circuit of the electronic device to the touch-sensitive display (or the touch processing circuit of the touch-sensitive display).

[0022] For example, the state (101) of the vertical synchronization signal being in a second state (or high state) changed from a first state (or low state) may indicate that the vertical synchronization signal is received (or triggered, provided, or transmitted) from the display driving circuit. For example, the vertical synchronization signal may be periodically generated in a circuit for adjusting timing and provided (or transmitted) to the touch-sensitive display. However, the present disclosure is not limited thereto. For example, the state (101) of the vertical synchronization signal changing from the first state to the second state (or changing from the second state to the first state) may indicate that the vertical synchronization signal is received (or triggered, provided, or transmitted) from the display driving circuit.

[0023] Referring to the state (101) of the vertical synchronization signal in FIG. 1, at each of the timings (111, 112, 113, 114, 115, 116, 117, 118, 119), the state of the vertical synchronization signal may change from the second state to the first state. In the example of FIG. 1, for convenience of explanation, it is assumed that the period during which the vertical synchronization signal is received (or generated) is about 8.3 ms (milliseconds) (or a period based on 120 Hz), but the present disclosure is not limited thereto. For example, the period may be about 4.1 ms (or a period based on 240 Hz) or about 16.6 ms (or a period based on 60 Hz). The period may represent the length (110) of the time interval corresponding to the vertical synchronization signal. For example, the time interval may be referred to as a frame or a synchronous frame. In the example of FIG. 1, the length of the time interval (110) may be about 8.3 ms.

[0024] In FIG. 1, the touch processing circuit can perform a drive synchronized with respect to a vertical synchronization signal. The drive synchronized with respect to the vertical synchronization signal may involve detecting (or receiving) the vertical synchronization signal transmitted from the display driving circuit and performing a scan at a timing defined (or associated) with the detected vertical synchronization signal. For example, the touch processing circuit can perform a drive synchronized with respect to the vertical synchronization signal regardless of the mode of the touch-sensitive display.

[0025] For example, the mode of the touch-sensitive display may include an idle mode and an active mode. For example, the idle mode may be a mode for low-power or lower-power consumption of the touch-sensitive display. For example, the idle mode may be referred to as NPI (normal power idle). For example, the idle mode may be a mode in which the touch-sensitive display is on and no touch input is received (or before it is received). For example, the active mode may be a mode different from the idle mode and may be referred to as normal mode. For example, the active mode may be referred to as NPA (normal power active). For example, the active mode may be a mode in which the touch-sensitive display is on and a touch input is received (or after it has been received). For example, within the idle mode, one of a self-scan (S) and a mutual scan (M) may be performed. In contrast, within the activation mode, a self-scan (S) and a mutual scan (M) may be performed. For example, as a scan is performed within the idle mode, contact points on the touch-sensitive display may be detected. In the present disclosure, a scan performed within the idle mode may be used to detect touch contacts on the touch-sensitive display. For example, as a self-scan (S) and a mutual scan (M) are performed within the activation mode, not only are contact points on the touch-sensitive display detected, but additional information such as the characteristics of the contact points (e.g., the location of the contact points) and the moisture (or wet) characteristics of the touch-sensitive display may also be obtained.In the present disclosure, a scan performed within the activation mode may be used to transmit touch data on the touch-sensitive display to the at least one processor. In other words, the presence or absence of a touch on the touch-sensitive display may be identified (or determined) according to a scan performed within the idle mode, and the location (and / or movement, minute) of a touch input on the touch-sensitive display may be identified (or determined) according to a scan performed within the activation mode.

[0026] For the synchronized operation of the touch processing circuit, an example (100) may be referenced. Referring to the example (100), a scan state (104) and a touch data transmission state (107) are illustrated. For example, the scan state (104) indicates the state of a scan performed by the touch processing circuit controlling the touch sensor. For example, the touch data transmission state (107) indicates the state of touch data to be acquired according to a scan performed within the activation mode by the touch processing circuit controlling the touch sensor, and to be transmitted to the at least one processor.

[0027] Referring to example (100), the touch processing circuit can perform a drive synchronized with respect to a vertical synchronization signal transmitted from the display driving circuit while the mode of the touch-sensitive display is in the idle mode. For example, while the mode of the touch-sensitive display is in the idle mode, the touch processing circuit can perform a first scan for touch contact on the touch-sensitive display using the touch sensor according to a first period. For example, the first scan may be one of a self scan (S) and a mutual scan (M). Specific details regarding the first scan performed according to the first period are explained with reference to timing (111) to timing (113) of FIG. 1.

[0028] Although not illustrated in example (100), the touch processing circuit may perform detection of a vertical synchronization signal transmitted from the display driving circuit during the window period prior to timing (111). For example, when the touch processing circuit detects the vertical synchronization signal during the window period prior to timing (111), it may perform the first scan during the scan period (141) within the time interval between timing (111) and timing (112). For example, the scan period (141) may be defined from the detected vertical synchronization signal. As a non-limiting example, the scan period (141) may include a time after the first reference time (191) from timing (111). For example, the first reference time (191) may be defined (or set) in the touch-sensitive display. For example, the first reference time (191) may be set so as not to interfere with (or not overlap with) the time of image display through the display panel of the touch-sensitive display.

[0029] For example, the touch processing circuit may identify whether a touch contact on the touch-sensitive display is detected according to the first scan performed during the scan interval (141). For example, the touch processing circuit may not detect a touch contact on the touch-sensitive display according to the first scan performed during the scan interval (141). For example, the touch-sensitive display may maintain the mode of the touch-sensitive display in the idle mode as no touch contact is detected.

[0030] For example, the touch processing circuit can detect a vertical synchronization signal transmitted from the display driving circuit during a window period (151) within a time interval between timing (111) and timing (112).

[0031] For example, the length of the window interval (e.g., window interval (151), window interval (152), window interval (153), window interval (154)) can be adjusted. As a non-limiting example, the length of the window interval (151) may be 1ms. For example, the start time and end time of the window interval may be defined with respect to a vertical synchronization signal or a timing associated with the vertical synchronization signal (e.g., timing (111), timing (112), timing (113)). For example, the end time of the window interval (151) may be a time prior to timing (112). However, the present disclosure is not limited thereto. For example, the end time of the window interval (151) may be the same as (or correspond to) timing (112).

[0032] For example, the touch processing circuit may perform the first scan during a scan interval (142) within a time interval between timing (112) and timing (113) when detecting a vertical synchronization signal during a window interval (151) within a time interval between timing (111) and timing (112). For example, the scan interval (142) may be defined from the detected vertical synchronization signal. For example, the scan interval (142) may include a time after a first reference time (191) from timing (112).

[0033] For example, the length (140) of the time interval between the start time of the scan section (142) and the start time of the scan section (141) may correspond to the length of the first period. As a non-limiting example, the length of the first period may correspond to the length (110) of the period in which the vertical synchronization signal is transmitted. In other words, the first period may be a period based on 120 Hz. However, the present disclosure is not limited thereto. For example, the length of the first period may be different from the length (110).

[0034] For example, the touch processing circuit may identify whether a touch contact is detected on the touch-sensitive display according to the first scan performed during the scan interval (142). For example, the touch processing circuit may detect a touch contact on the touch-sensitive display according to the scan performed during the scan interval (142). For example, the touch-sensitive display may switch (or change, transition) the mode of the touch-sensitive display from the idle mode to the active mode as a touch contact is detected. By example, without limitation, the mode of the touch-sensitive display may be switched after a second reference time (192) from the time the touch contact was detected (or the end time of the scan interval (142)). By example, without limitation, the length of the second reference time (192) may be defined as the time required to switch the mode of the touch-sensitive display.

[0035] For example, the touch processing circuit may detect a vertical synchronization signal transmitted from the display driving circuit during a window period (152) within a time interval between timing (112) and timing (113). For example, the difference between the start time of the window period (152) and the start time of the window period (151) may correspond to the length of the first period.

[0036] Referring to example (100), the touch processing circuit can perform a synchronized drive with respect to a vertical synchronization signal transmitted from the display driving circuit while the mode of the touch-sensitive display is in the activation mode. For example, while the mode of the touch-sensitive display is in the activation mode, the touch processing circuit can perform a second scan to transmit touch data to the at least one processor using the touch sensor according to the first cycle. For example, the second scan may include a self scan (S) and a mutual scan (M). Specific details regarding the second scan performed according to the second cycle are described with reference to timing (113) to timing (119) of FIG. 1.

[0037] For example, the touch processing circuit may perform the second scan during a scan interval (143) within a time interval between timing (113) and timing (114) when detecting a vertical synchronization signal during a window interval (152) within a time interval between timing (112) and timing (113). For example, the scan interval (143) may be defined from the detected vertical synchronization signal. For example, the scan interval (143) may include timing (113). In other words, the start time of the scan interval (143) may be the same as (or correspond to) timing (113).

[0038] For example, the length of the scan interval (e.g., scan interval (143), scan interval (144)) for the second scan performed within the activation mode may be longer than the length of the scan interval (e.g., scan interval (141), scan interval (142)) for the first scan performed within the idle mode. Since the second scan performs a self scan (S) and a mutual scan (M) to acquire touch data indicating the position (and movement, characteristics) of the touch contact, it may be longer than the first scan, which performs one of the self scan (S) and the mutual scan (M).

[0039] For example, the touch processing circuit may identify touch data of a touch contact detected on the touch-sensitive display according to the second scan performed during the scan interval (143). For example, the touch processing circuit may acquire sensing data of a touch contact according to the second scan performed during the scan interval (143) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0040] For example, the touch processing circuit may transmit the touch data identified according to the second scan performed during the scan interval (143) to the at least one processor. For example, the touch processing circuit may perform the transmission (171) of the touch data. For example, the transmission (171) may be performed within the time interval between the timing (113) and the timing (114). For example, the time at which the transmission (171) is performed may be defined from the end time of the scan interval (143).

[0041] For example, the touch processing circuit can detect a vertical synchronization signal transmitted from the display driving circuit during a window period (153) within a time interval between timing (113) and timing (114).

[0042] For example, the touch processing circuit may perform the second scan during a scan interval (144) within a time interval between timing (114) and timing (115) when detecting a vertical synchronization signal during a window interval (153) within a time interval between timing (113) and timing (114). For example, the scan interval (144) may be defined from the detected vertical synchronization signal. For example, the scan interval (144) may include timing (114). In other words, the start time of the scan interval (144) may be the same as (or correspond to) timing (114).

[0043] For example, the length (140) of the time interval between the start time of the scan section (144) and the start time of the scan section (143) may correspond to the length of the first cycle. As a non-limiting example, the length of the first cycle may correspond to the length (110) of the cycle in which the vertical synchronization signal is transmitted. In other words, the first cycle may be a cycle based on 120 Hz. However, the present disclosure is not limited thereto. For example, the length of the first cycle may be different from the length (110).

[0044] For example, the touch processing circuit can identify touch data of a touch contact detected on the touch-sensitive display according to the second scan performed during the scan interval (144). For example, the touch processing circuit can acquire sensing data of a touch contact according to the second scan performed during the scan interval (144) and identify the touch data from the acquired sensing data.

[0045] For example, the touch processing circuit may transmit the touch data identified according to the second scan performed during the scan interval (144) to the at least one processor. For example, the touch processing circuit may perform the transmission (172) of the touch data. For example, the transmission (172) may be performed within the time interval between the timing (114) and the timing (115). For example, the time at which the transmission (172) is performed may be defined from the end time of the scan interval (144).

[0046] For example, the length (170) of the time interval between the time when transmission (172) is performed and the time when transmission (171) is performed may correspond to the length of the first period during which the second scan is performed. In other words, the period during which touch data is transmitted from the touch processing circuit to the at least one processor may correspond to (or be linked to) the period during which the second scan is performed.

[0047] For example, the touch processing circuit can detect a vertical synchronization signal transmitted from the display driving circuit during a window period (154) within a time interval between timing (114) and timing (115).

[0048] The details regarding the time interval between timing (115) and timing (116), the time interval between timing (116) and timing (117), the time interval between timing (117) and timing (118), and the time interval between timing (118) and timing (119) can be substantially applied to the time interval between timing (113) and timing (114) (or the time interval between timing (114) and timing (115)).

[0049] For example, the touch processing circuit may perform the second scan during a scan interval (145) within a time interval between timing (115) and timing (116) when detecting a vertical synchronization signal during a window interval (154) within a time interval between timing (114) and timing (115). For example, the scan interval (145) may be defined from the detected vertical synchronization signal. For example, the scan interval (145) may include timing (115). In other words, the start time of the scan interval (145) may be the same as (or correspond to) timing (115).

[0050] For example, the touch processing circuit can identify touch data of a touch contact detected on the touch-sensitive display according to the second scan performed during the scan interval (145). For example, the touch processing circuit can acquire sensing data of a touch contact according to the second scan performed during the scan interval (145) and identify the touch data from the acquired sensing data.

[0051] For example, the touch processing circuit may transmit the touch data identified according to the second scan performed during the scan interval (145) to the at least one processor. For example, the touch processing circuit may perform the transmission (173) of the touch data. For example, the transmission (173) may be performed within the time interval between the timing (115) and the timing (116). For example, the time at which the transmission (173) is performed may be defined from the end time of the scan interval (145).

[0052] For example, the touch processing circuit can detect a vertical synchronization signal transmitted from the display driving circuit during a window period (155) within a time interval between timing (115) and timing (116).

[0053] For example, the touch processing circuit may perform the second scan during a scan interval (146) within a time interval between timing (116) and timing (117) when detecting a vertical synchronization signal during a window interval (155) within a time interval between timing (115) and timing (116). For example, the scan interval (146) may be defined from the detected vertical synchronization signal. For example, the scan interval (146) may include timing (116). In other words, the start time of the scan interval (146) may be the same as (or correspond to) timing (116).

[0054] For example, the touch processing circuit can identify touch data of a touch contact detected on the touch-sensitive display according to the second scan performed during the scan interval (146). For example, the touch processing circuit can acquire sensing data of a touch contact according to the second scan performed during the scan interval (146) and identify the touch data from the acquired sensing data.

[0055] For example, the touch processing circuit may transmit the touch data identified according to the second scan performed during the scan interval (146) to the at least one processor. For example, the touch processing circuit may perform the transmission (174) of the touch data. For example, the transmission (174) may be performed within the time interval between the timing (116) and the timing (117). For example, the time at which the transmission (174) is performed may be defined from the end time of the scan interval (146).

[0056] For example, the touch processing circuit can detect a vertical synchronization signal transmitted from the display driving circuit during a window period (156) within a time interval between timing (116) and timing (117).

[0057] For example, the touch processing circuit may perform the second scan during a scan interval (147) within a time interval between timing (117) and timing (118) when detecting a vertical synchronization signal during a window interval (156) within a time interval between timing (116) and timing (117). For example, the scan interval (147) may be defined from the detected vertical synchronization signal. For example, the scan interval (147) may include timing (117). In other words, the start time of the scan interval (147) may be the same as (or correspond to) timing (117).

[0058] For example, the touch processing circuit can identify touch data of a touch contact detected on the touch-sensitive display according to the second scan performed during the scan interval (147). For example, the touch processing circuit can acquire sensing data of a touch contact according to the second scan performed during the scan interval (147) and identify the touch data from the acquired sensing data.

[0059] For example, the touch processing circuit may transmit the touch data identified according to the second scan performed during the scan interval (147) to the at least one processor. For example, the touch processing circuit may perform the transmission (175) of the touch data. For example, the transmission (175) may be performed within the time interval between the timing (117) and the timing (118). For example, the time at which the transmission (175) is performed may be defined from the end time of the scan interval (147).

[0060] For example, the touch processing circuit can detect a vertical synchronization signal transmitted from the display driving circuit during a window period (157) within a time interval between timing (117) and timing (118).

[0061] For example, the touch processing circuit may perform the second scan during a scan interval (148) within a time interval between timing (118) and timing (119) when detecting a vertical synchronization signal during a window interval (157) within a time interval between timing (117) and timing (118). For example, the scan interval (148) may be defined from the detected vertical synchronization signal. For example, the scan interval (148) may include timing (118). In other words, the start time of the scan interval (148) may be the same as (or correspond to) timing (118).

[0062] For example, the touch processing circuit can identify touch data of a touch contact detected on the touch-sensitive display according to the second scan performed during the scan interval (148). For example, the touch processing circuit can acquire sensing data of a touch contact according to the second scan performed during the scan interval (148) and identify the touch data from the acquired sensing data.

[0063] For example, the touch processing circuit may transmit the touch data identified according to the second scan performed during the scan interval (148) to the at least one processor. For example, the touch processing circuit may perform the transmission (176) of the touch data. For example, the transmission (176) may be performed within the time interval between the timing (117) and the timing (118). For example, the time at which the transmission (176) is performed may be defined from the end time of the scan interval (148).

[0064] For example, the touch processing circuit can detect a vertical synchronization signal transmitted from the display driving circuit during a window period (158) within a time interval between timing (118) and timing (119).

[0065] Referring to Example (100), the touch processing circuit may perform a drive synchronized with respect to a vertical synchronization signal transmitted from the display driving circuit while in the idle mode before a touch contact on the touch-sensitive display is detected. For example, the touch processing circuit may perform detection of a vertical synchronization signal during a window period within each of at least one time interval, and perform the first scan according to the first period defined from the vertical synchronization signal detected during the window period. For example, the detection of the vertical synchronization signal performed during the idle mode may be performed according to the first period. Additionally, the touch processing circuit may perform a drive synchronized with respect to a vertical synchronization signal transmitted from the display driving circuit while in the activation mode after a touch contact on the touch-sensitive display is detected. For example, the touch processing circuit may perform detection of a vertical synchronization signal during a window period within each of at least one other time interval following the at least one time interval, and perform the second scan according to the first period defined from the vertical synchronization signal detected during the window period. For example, the detection of the vertical synchronization signal performed during the activation mode may be performed according to the first period.

[0066] Referring to the above description, the touch processing circuit may perform a synchronized drive with respect to a vertical synchronization signal to prevent a frame drop (or non-uniformity of touch, stuttering of the screen) that may be caused by missing a touch input (or touch event) within a time interval between vertical synchronization signals (e.g., a time interval or frame having length (110)). However, even while the touch-sensitive display is in the idle mode before a touch contact is detected, the touch processing circuit needs to perform a detection of the vertical synchronization signal to perform a synchronized drive with respect to the vertical synchronization signal. As an example, but not limited to, the touch processing circuit may perform a detection of the vertical synchronization signal transmitted from the display driving circuit by driving the scan window block of the touch processing circuit.

[0067] However, when the touch-sensitive display is in the idle mode, feedback regarding touch input (e.g., screen change) may be unnecessary. In other words, detecting a vertical synchronization signal for synchronized operation while in the idle mode may be relatively unrelated to touch quality compared to detecting a vertical synchronization signal for synchronized operation while in the active mode.

[0068] Hereinafter, the present disclosure may perform asynchronous driving with respect to a vertical synchronization signal while within the idle mode. For example, the touch processing circuit according to the present disclosure may perform a scan (e.g., the first scan) to detect a touch contact according to a specific period based on refraining from detecting the vertical synchronization signal (or cease, bypass, not detect, or skip) while within the idle mode. Additionally, the present disclosure may perform asynchronous driving and synchronized driving with respect to a vertical synchronization signal while within the activation mode when a touch contact is detected based on the scan performed according to the specific period within the idle mode. For example, the touch processing circuit according to the present disclosure may perform asynchronous driving with respect to a vertical synchronization signal for a specific time in response to (or immediately after) switching from the idle mode to the activation mode, and perform synchronized driving with respect to a vertical synchronization signal for another specific time after the specific time. For example, the touch processing circuit according to the present disclosure may perform asynchronous driving with respect to a vertical synchronization signal while in the activation mode, detect a vertical synchronization signal during a window period, and perform a scan for transmitting touch data (e.g., the second scan of FIG. 1) according to a different specific period from the specific period. For example, the touch processing circuit according to the present disclosure may perform a scan for transmitting touch data (e.g., the second scan of FIG. 1) according to the specific period defined from the detected vertical synchronization signal when performing synchronized driving with respect to a vertical synchronization signal while in the activation mode as the vertical synchronization signal is detected during the window period.Driving methods of a touch processing circuit according to the present disclosure as described above are illustrated below with reference to FIGS. 3, 4, 5, and 6.

[0069] By utilizing the driving methods described above, the present disclosure can reduce the current consumed within the idle mode of the touch-sensitive display. Additionally, the present disclosure can improve the touch quality of the touch-sensitive display. For example, the present disclosure can reduce the response time of the touch-sensitive display and improve the touch contact.

[0070] Figure 2 is a schematic view of an exemplary electronic device.

[0071] Referring to FIG. 2, the electronic device (200) may include at least one processor (210), a touch-sensitive display (220), a display driving circuit (250), and a memory (260). For example, the electronic device (200) may be an example of the electronic device (701) of FIG. 7.

[0072] For example, the electronic device (200) may be implemented in various form factors. For example, the electronic device (200) may include not only an electronic device including a bar-type display, but also an electronic device including a display that is a flexible display. For example, the flexible display may include an electronic device including a foldable display, an electronic device including a multi-foldable display, or an electronic device including a rollable display. Additionally, for example, the electronic device (200) may include a tablet PC. Additionally, for example, the electronic device (200) may be implemented as a wearable device. For example, the wearable device may include a head-mounted display (HMD) or a watch-shaped device. However, the present disclosure is not limited thereto.

[0073] For example, a touch-sensitive display (220) may include a touch sensor (230) and a touch processing circuit (240). For example, the touch-sensitive display (220) may include at least a part of the display module (760) of FIG. 7. For example, the touch sensor (230) may be an example of the touch sensor (851) of FIG. 8. For example, the touch processing circuit (240) may be an example of the touch sensor IC (853). For example, the touch-sensitive display (220) may be referred to as a touchscreen panel (TSP), a display, a display device, or a display module. For example, the touch-sensitive display (220) may include a display panel for displaying an image. In FIG. 2, the touch-sensitive display (220) is illustrated as including a touch sensor (230), a touch processing circuit (240), and said display panel, but the present disclosure is not limited thereto. For example, the electronic device (200) may include the display panel implemented separately from the touch sensor (230) and the touch processing circuit (240). For example, specific details regarding the display panel may be referenced to the details regarding the display panel (810) of FIG. 8.

[0074] For example, the electronic device (200) may include a display driving circuit (250) (or a display driving IC (integrated circuitry)). For example, specific details regarding the display driving IC may be referenced to the display driver IC (830) of FIG. 8. FIG. 8 illustrates an example in which the display driving circuit (250) is implemented separately from the touch-sensitive display (220) (or touch processing circuit (240)), but the present disclosure is not limited thereto. For example, the electronic device (200) may include a single IC (integrated circuitry) (or SoC (system on chip)) (e.g., TDDI (touch display driver IC)) in which the display driving circuit (250) and the touch processing circuit (240) are integrated. As a non-limiting example, within the above-mentioned IC (or SoC), the display driving circuit (250) and the touch processing circuit (240) may be separated into hardware, software, or hardware and software.

[0075] For example, at least one processor (210) may include at least a part of the processor (720) of FIG. 7. For example, at least one processor (210) of the electronic device (200) may include a processing circuit (e.g., CPU (central processing unit), GPU (graphic processing unit), and DPU (display processing unit)).

[0076] For example, at least one processor (210) may include a CPU (central processing unit), a GPU (graphics processing unit), or a display controller (or DPU (display processing unit)) configured to process an image obtained from volatile memory into a format suitable for a display panel. For example, at least one processor (210) may be operatively or operably coupled with a touch-sensitive display (220) (or touch processing circuit (240)). For example, at least one processor (210) being operatively coupled with a touch-sensitive display (220) (or touch processing circuit (240)) may indicate that at least one processor (210) is directly connected to the touch-sensitive display (220) (or touch processing circuit (240)). For example, at least one processor (210) being operatively coupled to a touch-sensitive display (220) (or touch processing circuit (240)) may indicate that at least one processor (210) is connected to the touch-sensitive display (220) (or touch processing circuit (240)) through other components of the electronic device (200). For example, at least one processor (210) may be connected to the touch-sensitive display (220) (or touch processing circuit (240)) via an interface. For example, the interface may be used for transmitting (or receiving) touch data from at least one processor (210) to the touch-sensitive display (220) (or touch processing circuit (240)).

[0077] For example, at least one processor (210) may transmit a signal to the touch processing circuit (240) or receive a signal from the touch processing circuit (240). For example, at least one processor (210) may provide at least one command related to the recognition of a touch input to the touch processing circuit (240). For example, the touch processing circuit (240) may transmit a signal for touch data (or an IRQ (interrupt request), INT (interrupt)) to at least one processor (210). As an example, without limitation, the signal for touch data (or an IRQ (interrupt request), INT (interrupt)) may be transmitted and received through an interface (e.g., a pin) connecting at least one processor (210) and the touch processing circuit (240). For example, the touch processing circuit (240) may transmit the signal for touch data according to a defined period. For example, the defined period in which a signal for the touch data is transmitted may correspond to (or be linked to) the period in which a scan is performed. For example, at least one processor (210) may recognize a touch input using the touch data by receiving the signal.

[0078] For example, at least one processor (210) may transmit a signal to a display driving circuit (250) or receive a signal from a display driving circuit (250). For example, at least one processor (210) may provide at least one command to a touch processing circuit (240) for controlling the display driving circuit (250). For example, the display driving circuit (250) may transmit a signal synchronized with a vertical synchronization signal (or a TE (tearing effect) signal) to at least one processor (210). By example, without limitation, the signal synchronized with the vertical synchronization signal (or a TE (tearing effect) signal) may be transmitted and received through an interface (e.g., a pin) connecting at least one processor (210) and the display driving circuit (250). For example, at least one processor (210) may perform driving synchronized with the vertical synchronization signal by receiving the signal.

[0079] For example, the touch processing circuit (240) may receive a signal from the display driving circuit (250). For example, the touch processing circuit (240) may receive a vertical synchronization signal transmitted from the display driving circuit (250). In an example without limitation, the vertical synchronization signal may be transmitted and received through an interface (e.g., a pin) connecting the touch processing circuit (240) and the display driving circuit (250). In an example without limitation, the display driving circuit (250) may transmit the vertical synchronization signal to the touch processing circuit (240) according to a defined period. In one example, the defined period in which the vertical synchronization signal is transmitted may be adjustable (or changeable). The adjustment of the defined period may be referred to as a variable refresh rate (VRR). For example, the timing (or period) of the vertical synchronization signal transmitted from the display driving circuit (250) to the touch processing circuit (240) may be substantially the same (or correspond) to the timing (or period) of the signal (e.g., INT) transmitted from the display driving circuit (250) to at least one processor (210).

[0080] For example, a touch sensor (230) may be used to detect contact points regarding touch input on a touch-sensitive display (220). For example, the touch sensor (230) may acquire (or measure) sensing data by sensing a change in electrical characteristics (e.g., capacitance) caused by the contact points (or contact points by an external object). For example, the touch sensor (230) may include a plurality of transmitting channels and a plurality of receiving channels. The transmitting channels may be spaced apart from each other along a first direction (e.g., horizontal direction) of the touch-sensitive display. The receiving channels may be spaced apart from each other along a second direction (e.g., vertical direction) of the touch-sensitive display. For example, the touch sensor (230) may perform a self-scan (S) to measure the self-capacitance using the transmitting channels or the receiving channels. As a non-limiting example, a self-scan (S) may be performed on areas of the touch-sensitive display along the second direction by sequentially using the transmission channels. As a non-limiting example, a self-scan (S) may be performed on areas of the touch-sensitive display along the first direction by sequentially using the reception channels. For example, the touch sensor (230) may perform a mutual scan (M) to measure the mutual capacitance using the transmission channels and the reception channels. As a non-limiting example, the mutual scan (M) may be performed on areas of the touch-sensitive display by sequentially using the reception channels for each of the transmission channels.

[0081] The touch processing circuit (240) may include a circuit for controlling the touch sensor (230). For example, the touch processing circuit (240) may include a circuit (or module) for the touch sensor (230) to perform self-scan (S) and mutual scan (M). For example, the circuit (or module) for the self-scan (S) and mutual scan (M) may include an analog front end (AFE) and an AFE controller. For example, the touch processing circuit (240) may include a circuit (or module) for processing sensing data received (or acquired) from the touch sensor (230) and controlling the operation of the touch sensor (230). For example, the circuit (or module) for processing sensing data (or generating touch data) and controlling the operation of the touch sensor (230) may include a micro controller unit (MCU). Additionally, for example, the touch processing circuit (240) may include one or more storage media and a memory that stores instructions. For example, the touch processing circuit (240) may store sensing data (or touch data) in the memory. For example, the memory may be referred to as memory and peripherals.

[0082] Additionally, the touch processing circuit (240) may include a configuration (e.g., a scan window block) for detecting a vertical synchronization signal. By example, without limitation, the scan window block may be implemented in hardware, software, or a combination of hardware and software. For example, the touch processing circuit (240) may detect (or receive) a vertical synchronization signal transmitted from the display driving circuit (250) by driving the scan window block. For example, the time during which the scan window block is driven may be referred to as a window interval. By example, without limitation, the length of the window interval may be adjusted. As the length of the window interval increases, the probability of detecting a vertical synchronization signal within a single time interval (or sensing frame) may increase. However, as the length of the window interval increases, the power consumption of the electronic device (200) (or touch processing circuit (240)) may increase as the time during which the touch processing circuit (240) continuously drives the scan window block increases. The touch processing circuit (240) may refrain from driving the scan window block while the touch-sensitive display (220) is in an idle mode. Accordingly, the touch processing circuit (240) may refrain from detecting a vertical synchronization signal. The touch processing circuit (240) may drive the scan window block while the touch-sensitive display (220) is in an active mode. Accordingly, the touch processing circuit (240) may perform detection of the vertical synchronization signal. For example, the touch processing circuit (240) may perform asynchronous driving with respect to the vertical synchronization signal (e.g., scanning of touch data and detection of the vertical synchronization signal) before the vertical synchronization signal is detected in the active mode.When a vertical synchronization signal is detected in the above activation mode, the touch processing circuit (240) can perform a synchronized drive with respect to the vertical synchronization signal (e.g., scanning of touch data, and detection of the vertical synchronization signal).

[0083] The memory (260) of the electronic device (200) may include one or more storage media. For example, the one or more storage media may include a hard drive, flash memory, permanent memory such as ROM (read-only memory), semi-permanent memory such as RAM (random access memory), any other suitable type of storage assembly, or any combination thereof. The memory (260) may include a cache memory, which is one or more different types of memory used to temporarily store data for a function or feature of the electronic device (200). The memory (260) may be fixedly embedded in the electronic device (200) or incorporated into one or more suitable types of components (e.g., a SIM (subscriber identity module) card and / or an SD (secure digital) memory card) that can be repeatedly inserted into and removed from the electronic device (200). For example, the memory (260) may include at least a portion of the memory (730) of FIG. 7 or correspond to at least a portion of the memory (730) of FIG. 7.

[0084] FIG. 3 illustrates a first driving example of a touch-sensitive display that is asynchronous with respect to a synchronization signal transmitted from a display driving circuit in an idle mode of the touch-sensitive display for lower-power consumption.

[0085] Referring to FIG. 3, the state (101) of a vertical synchronization signal is illustrated. The state (101) of the vertical synchronization signal may indicate whether the vertical synchronization signal is received (or triggered, provided, or transmitted) to synchronize the operation of the touch-sensitive display (220) (or touch processing circuit (240)). For example, the state (101) of the vertical synchronization signal being in a second state (or high state) changed from a first state (or low state) may indicate that the vertical synchronization signal is received (or triggered, provided, or transmitted) from the display driving circuit (250). However, the present disclosure is not limited thereto. For example, the state (101) of the vertical synchronization signal changing from the first state to the second state (or changing from the second state to the first state) may indicate that the vertical synchronization signal is received (or triggered, provided, or transmitted) from the display driving circuit.

[0086] Referring to the state (101) of the vertical synchronization signal in FIG. 3, at each of the timings (111, 112, 113, 114, 115, 116, 117, 118, 119), the state of the vertical synchronization signal may change from the second state to the first state. In the example of FIG. 3, for convenience of explanation, it is assumed that the period during which the vertical synchronization signal is received (or generated) is approximately 8.3 ms (milliseconds) (or a period based on 120 Hz). In the example of FIG. 3, the length of the time interval (110) may be approximately 8.3 ms.

[0087] Referring to FIG. 3, an example (100) showing synchronized driving of a touch processing circuit (240) is illustrated. For the description of the example (100), the description of FIG. 1 may be referenced. Also, referring to FIG. 3, a first driving example (300) including asynchronous driving and synchronized driving with respect to a vertical synchronization signal transmitted from a display driving circuit (250) is illustrated.

[0088] Referring to the first driving example (300), a scan state (304) and a touch data transmission state (307) are illustrated. For example, the scan state (304) indicates the state of a scan performed by the touch processing circuit (240) controlling the touch sensor (230). For example, the touch data transmission state (307) indicates the state of touch data to be acquired according to a scan performed within the activation mode by the touch processing circuit (240) controlling the touch sensor (230) and to be transmitted to at least one processor (210).

[0089] Referring to the first driving example (300), the touch processing circuit (240) can perform asynchronous driving with respect to a vertical synchronization signal transmitted from the display driving circuit (250) while the mode of the touch-sensitive display (220) is within the idle mode. For example, the touch processing circuit (240) can refrain from detecting a vertical synchronization signal transmitted from the display driving circuit (250) while the mode of the touch-sensitive display (220) is within the idle mode. For example, the touch processing circuit (240) can perform a first scan for touch contact on the touch-sensitive display (220) using the touch sensor (230) according to a first period, based on refraining from detecting a vertical synchronization signal while the mode of the touch-sensitive display (220) is within the idle mode. For example, the first scan may be one of a self scan (S) and a mutual scan (M). Specific details regarding the first scan performed according to the first cycle, which is asynchronous with respect to the vertical synchronization signal, are explained with reference to the timing (111) and timing (361) of the first driving example (300).

[0090] For example, the touch processing circuit (240) may refrain from (or stop, bypass, or not detect) the vertical synchronization signal transmitted from the display driving circuit (250) during the time between timing (111) and timing (361). For example, the touch processing circuit (240) may refrain from detecting the vertical synchronization signal by refraining from driving the scan window block of the touch processing circuit (240). For example, the touch processing circuit (240) may perform the first scan during the scan interval (341) within the time between timing (111) and timing (361). For example, the scan interval (341) (or the start time of the scan interval (341)) may be defined independently of the vertical synchronization signal, unlike the scan interval (141) which is defined from the detected vertical synchronization signal of example (100). The scan interval (341), defined independently of the vertical synchronization signal, can be used for asynchronous driving.

[0091] For example, the touch processing circuit (240) can identify whether a touch contact on the touch-sensitive display (220) is detected according to the first scan performed during the scan interval (341). For example, the touch processing circuit (240) may not detect a touch contact on the touch-sensitive display (220) according to the first scan performed during the scan interval (341). For example, the touch-sensitive display (220) may maintain the mode of the touch-sensitive display (220) in the idle mode as no touch contact is detected.

[0092] For example, the touch processing circuit (240) may perform the first scan during a scan interval (342) following a scan interval (341) within timing (111) and timing (361). For example, the scan interval (342) (or the start time of the scan interval (342)) may be defined independently of the vertical synchronization signal, unlike the scan interval (141) which is defined from the detected vertical synchronization signal of example (100). For example, the start time of the scan interval (342) may be a time after the start time of the scan interval (341) by a length (340). For example, the length (340) may represent the length of time corresponding to the first cycle. As a non-limiting example, the length of the first cycle may correspond to the length of the cycle (110) in which the vertical synchronization signal is transmitted. In other words, the first cycle may be a cycle based on 120 Hz. However, the present disclosure is not limited thereto. For example, the length of the first cycle may be different from the length (110).

[0093] For example, the touch processing circuit (240) can identify whether a touch contact is detected on the touch-sensitive display (220) according to the first scan performed during the scan interval (342). For example, the touch processing circuit (240) can detect a touch contact on the touch-sensitive display (220) according to the scan performed during the scan interval (342). For example, the touch-sensitive display (220) can switch (or change, transition) the mode of the touch-sensitive display (220) from the idle mode to the active mode as a touch contact is detected. As an example without limitation, the mode of the touch-sensitive display (220) can be switched after a second reference time (392) (or at timing (361)) from the time when the touch contact was detected (or the end time of the scan interval (342)). As an example that is not limited, the length of the second reference time (392) may be the same as (or correspond to) the length of the second reference time (192).

[0094] Comparing the first driving example (300) and the example (100), the touch processing circuit (240) can perform a driving asynchronous with respect to the vertical synchronization signal during the time between timing (111) and timing (361) (or while the touch-sensitive display (220) is in the idle mode). For example, the touch processing circuit (240) can perform the first scan according to the first cycle based on refraining from detecting the vertical synchronization signal during the window interval during the time between timing (111) and timing (361). At this time, the scan interval (or the start time of the scan interval) of the first scan performed according to the first cycle can be defined regardless of (or not linked to) the vertical synchronization signal.

[0095] Referring to the first driving example (300), the touch processing circuit (240) may perform asynchronous driving with respect to a vertical synchronization signal transmitted from the display driving circuit (250) within each of at least one first time interval while the mode of the touch-sensitive display (220) is within the activation mode. For example, the at least one first time interval may include a time interval immediately after switching to the activation mode. As a non-limiting example, in the first driving example (300), the at least one first time interval may include a time interval between timing (361) and timing (362), a time interval between timing (362) and timing (363), a time interval between timing (363) and timing (364), a time interval between timing (364) and timing (365), and a time interval between timing (365) and timing (366). For example, the touch processing circuit (240) may detect a vertical synchronization signal transmitted from the display driving circuit (250) in response to a transition to the activation mode while the mode of the touch-sensitive display (220) is within the activation mode. For example, the touch processing circuit (240) may perform a second scan to transmit touch data to at least one processor (210) using the touch sensor (230) according to a second cycle different from the first cycle, based on the detection of the vertical synchronization signal transmitted from the display driving circuit (250). For example, the second scan may include a self scan (S) and a mutual scan (M). Specific details regarding the second scan performed according to the second cycle desynchronized with respect to the vertical synchronization signal are described with reference to the timing (361) to timing (366) of the first driving example (300).

[0096] For example, the touch processing circuit (240) may perform the second scan during a scan interval (351-1) within the time interval between timing (361) and timing (362). For example, the scan interval (351-1) may be defined from timing (361) after the second reference time (392) from the scan interval (342) where a touch contact was detected. For example, the scan interval (351-1) may include timing (361). In other words, the start time of the scan interval (351-1) may be the same as (or correspond to) timing (361).

[0097] For example, the length of the scan interval (e.g., scan interval (351-1)) for the second scan performed within the activation mode may be longer than the length of the scan interval (e.g., scan interval (341), scan interval (342)) for the first scan performed within the idle mode. Since the second scan performs a self scan (S) and a mutual scan (M) to acquire touch data indicating the position (and movement, characteristics) of the touch contact, it may be longer than the first scan, which performs one of the self scan (S) and the mutual scan (M).

[0098] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (351-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (351-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0099] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (351-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (371) of the touch data. For example, the transmission (371) can be performed within the time interval between timing (361) and timing (362). For example, the time at which the transmission (371) is performed can be defined from the end time of the scan interval (351-1).

[0100] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (351-2) within the time interval between timing (361) and timing (362). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (351-2). In the first driving example (300), the vertical synchronization signal may not be detected within the window period (351-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0101] For example, the touch processing circuit (240) may perform the second scan during a scan interval (352-1) within the time interval between timing (362) and timing (363). For example, the scan interval (352-1) may be defined according to the second cycle from the scan interval (351-1). For example, the start time of the scan interval (352-1) may be a time after the length (350) of the second cycle from the start time of the scan interval (351-1). For example, the scan interval (352-1) may include timing (362). In other words, the start time of the scan interval (352-1) may be the same as (or correspond to) timing (362).

[0102] For example, the length of the time interval between a specific timing within the activation mode performing asynchronous driving and the timing immediately following the specific timing may have the length of the second period (350). In the present disclosure, a time interval in which a scan for transmitting touch data (e.g., the second scan) and detection of a vertical synchronization signal are performed may be referred to as a sensing frame. By example, without limitation, the length of the time interval of the activation mode performing asynchronous driving may correspond to the length (350) of the second period (or touch sensing rate (TSR)) based on 135 Hz. In other words, the length of the second period (350) may be defined as 1 / 135 and may be shorter than the length (340) (or length (110)) of the first period defined as 1 / 120.

[0103] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (352-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (352-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0104] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (352-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (372) of the touch data. For example, the transmission (372) can be performed within the time interval between the timing (362) and the timing (363). For example, the time at which the transmission (372) is performed can be defined from the end time of the scan interval (352-1).

[0105] For example, the length (370) of the time interval between the time when transmission (372) is performed and the time when transmission (371) is performed may correspond to the length (350) of the second cycle in which the second scan is performed. As a non-limiting example, the length (370) may be defined as 1 / 135. In other words, the cycle in which touch data is transmitted from the touch processing circuit (240) to at least one processor (210) may correspond to (or be linked to) the cycle in which the second scan is performed.

[0106] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (352-2) within the time interval between timing (362) and timing (363). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (352-2). In the first driving example (300), the vertical synchronization signal may not be detected within the window period (352-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0107] In the first driving example (300), the difference between the window period (351-2) within the time interval between timing (361) and timing (362) and the timing (113) associated with the vertical synchronization signal may be different from the difference between the window period (352-2) within the time interval between timing (362) and timing (363) and the timing (114) associated with the vertical synchronization signal. This may be because the second period used within the activation mode performing asynchronous driving is different from the period in which the vertical synchronization signal is transmitted.

[0108] For example, the touch processing circuit (240) may perform the second scan during a scan interval (353-1) within the time interval between timing (363) and timing (364). For example, the scan interval (353-1) may be defined according to the second cycle from the scan interval (352-1). For example, the start time of the scan interval (353-1) may be a time after the length (350) of the second cycle from the start time of the scan interval (352-1). For example, the scan interval (353-1) may include timing (363). In other words, the start time of the scan interval (353-1) may be the same as (or correspond to) timing (363).

[0109] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (353-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (353-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0110] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (353-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (373) of the touch data. For example, the transmission (373) can be performed within the time interval between the timing (363) and the timing (364). For example, the time at which the transmission (373) is performed can be defined from the end time of the scan interval (353-1).

[0111] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (353-2) within the time interval between timing (363) and timing (364). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (353-2). In the first driving example (300), the vertical synchronization signal may not be detected within the window period (353-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0112] In the first driving example (300), the difference between the window period (353-2) within the time interval between timing (363) and timing (364) and the timing (115) related to the vertical synchronization signal may be different from the difference between the window period (352-2) within the time interval between timing (362) and timing (363) and the timing (114) related to the vertical synchronization signal.

[0113] For example, the touch processing circuit (240) may perform the second scan during a scan interval (354-1) within the time interval between timing (364) and timing (365). For example, the scan interval (354-1) may be defined according to the second cycle from the scan interval (353-1). For example, the start time of the scan interval (354-1) may be a time after the length (350) of the second cycle from the start time of the scan interval (353-1). For example, the scan interval (354-1) may include timing (364). In other words, the start time of the scan interval (354-1) may be the same as (or correspond to) timing (364).

[0114] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (354-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (354-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0115] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (354-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (374) of the touch data. For example, the transmission (374) can be performed within the time interval between the timing (364) and the timing (365). For example, the time at which the transmission (374) is performed can be defined from the end time of the scan interval (354-1).

[0116] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (354-2) within the time interval between timing (364) and timing (365). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (354-2). In the first driving example (300), the vertical synchronization signal may not be detected within the window period (354-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0117] In the first driving example (300), the difference between the window period (354-2) within the time interval between timing (364) and timing (365) and the timing (116) related to the vertical synchronization signal may be different from the difference between the window period (353-2) within the time interval between timing (363) and timing (364) and the timing (115) related to the vertical synchronization signal.

[0118] For example, the touch processing circuit (240) may perform the second scan during a scan interval (355-1) within the time interval between timing (365) and timing (366). For example, the scan interval (355-1) may be defined according to the second cycle from the scan interval (354-1). For example, the start time of the scan interval (355-1) may be a time after the length (350) of the second cycle from the start time of the scan interval (354-1). For example, the scan interval (355-1) may include timing (365). In other words, the start time of the scan interval (355-1) may be the same as (or correspond to) timing (365).

[0119] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (355-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (355-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0120] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (355-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (375) of the touch data. For example, the transmission (375) can be performed within the time interval between the timing (365) and the timing (366). For example, the time at which the transmission (375) is performed can be defined from the end time of the scan interval (355-1).

[0121] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (355-2) within the time interval between timing (365) and timing (366). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (355-2). In the first driving example (300), the vertical synchronization signal can be detected within the window period (355-2). Accordingly, the touch processing circuit (240) can perform a synchronized driving that has been changed from an asynchronous driving.

[0122] Comparing the first driving example (300) and the example (100), the touch processing circuit (240) can perform a driving asynchronous with respect to the vertical synchronization signal during the time between timing (361) and timing (366) (or while the touch-sensitive display (220) is in the activation mode). For example, the touch processing circuit (240) can perform the second scan according to the second cycle based on detecting the vertical synchronization signal during the window interval during the time between timing (361) and timing (366). At this time, the scan interval (or the start time of the scan interval) of the second scan performed according to the second cycle can be defined regardless of (or not linked to) the vertical synchronization signal.

[0123] Referring to the first driving example (300), the touch processing circuit (240) can perform a driving synchronized with respect to a vertical synchronization signal transmitted from the display driving circuit (250) within each of at least one second time interval while the mode of the touch-sensitive display (220) is within the activation mode. For example, the at least one second time interval may include a time interval following the at least one first time interval. As a non-limiting example, in the first driving example (300), the at least one second time interval may include a time interval between timing (366) and timing (367), and a time interval between timing (367) and timing (368). For example, the touch processing circuit (240) may perform a third scan to transmit touch data to at least one processor (210) using the touch sensor (230) according to the first period defined from the detected vertical synchronization signal, in response to the detection of a vertical synchronization signal during the window period while the mode of the touch-sensitive display (220) is within the activation mode. For example, the third scan may include a self scan (S) and a mutual scan (M). Specific details regarding the third scan performed according to the first period synchronized with the vertical synchronization signal are described with reference to the timing (366) to timing (368) of the first driving example (300).

[0124] For example, the touch processing circuit (240) may perform the third scan during a scan interval (356-1) within the time interval between timing (366) and timing (367). For example, the scan interval (356-1) may be defined from a vertical synchronization signal (or timing (117)) detected within the window interval (355-2). For example, since a synchronized drive is performed according to the detection of the vertical synchronization signal, timing (117) may be aligned with timing (366). For example, the scan interval (366-1) may include timing (117) (or timing (366)). In other words, the start time of the scan interval (356-1) may be the same as (or correspond to) timing (117) (or timing (366)).

[0125] For example, the length of the scan interval (e.g., scan interval (356-1)) for the third scan performed within the activation mode may be longer than the length of the scan interval (e.g., scan interval (341), scan interval (342)) for the first scan performed within the idle mode. Since the third scan performs a self scan (S) and a mutual scan (M) to acquire touch data indicating the position (and movement, characteristics) of the touch contact, it may be longer than the first scan, which performs one of the self scan (S) and the mutual scan (M). For example, the length of the scan interval for the third scan may be the same as (or correspond to) the length of the scan interval for the second scan (e.g., scan interval (351-1)).

[0126] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the third scan performed during the scan interval (356-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the third scan performed during the scan interval (356-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0127] For example, the touch processing circuit (240) can transmit the touch data identified according to the third scan performed during the scan interval (356-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (376) of the touch data. For example, the transmission (376) can be performed within the time interval between the timing (366) and the timing (367). For example, the time at which the transmission (376) is performed can be defined from the end time of the scan interval (356-1). The length between the time at which the transmission (375) is performed and the time at which the transmission (376) is performed can be equal to (or correspond to) the length (370).

[0128] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (356-2) within the time interval between timing (366) and timing (367). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (356-2). In the first driving example (300), the vertical synchronization signal can be detected within the window period (356-2).

[0129] For example, the touch processing circuit (240) may perform the third scan during a scan interval (357-1) within the time interval between timing (367) and timing (368). For example, the scan interval (357-1) may be defined from a vertical synchronization signal (or timing (118)) detected within a window interval (356-2). For example, the start time of the scan interval (357-1) may be a time after the length (360) of the first cycle from the start time of the scan interval (356-1). As a non-limiting example, the length (360) may be defined as 1 / 120. For example, since the synchronized drive is performed according to the detection of the vertical synchronization signal, timing (118) may be aligned with timing (367). For example, the scan interval (356-1) may include timing (118) (or timing (367)). In other words, the start time of the scan interval (357-1) can be the same as (or correspond to) the timing (118) (or, timing (367)).

[0130] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the third scan performed during the scan interval (357-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the third scan performed during the scan interval (357-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0131] For example, the touch processing circuit (240) can transmit the touch data identified according to the third scan performed during the scan interval (357-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (377) of the touch data. For example, the transmission (377) can be performed within the time interval between the timing (367) and the timing (368). For example, the time at which the transmission (377) is performed can be defined from the end time of the scan interval (357-1). For example, the length (380) between the time at which the transmission (376) is performed and the time at which the transmission (377) is performed can be the same as (or correspond to) the length (360).

[0132] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (357-2) within the time interval between timing (367) and timing (368). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (357-2). In the first driving example (300), the vertical synchronization signal can be detected within the window period (357-2).

[0133] Comparing the first driving example (300) and the example (100), the touch processing circuit (240) can perform a driving synchronized with respect to a vertical synchronization signal within the time between timing (366) and timing (368) (or while the touch-sensitive display (220) is in the activation mode). For example, the touch processing circuit (240) can perform the third scan according to the first period defined from the detected vertical synchronization signal, based on performing detection of the vertical synchronization signal during the window period within the time between timing (366) and timing (368). At this time, the scan period of the third scan performed according to the first period (or the start time of the scan period) can be associated with the vertical synchronization signal.

[0134] Referring to the first driving example (300) of FIG. 3, the power consumption within the idle mode of the electronic device (200) (or touch processing circuit (240)) may be lower than the power consumption within the idle mode of the example (100). Additionally, the touch processing circuit (240) may detect a vertical synchronization signal to perform a synchronized driving by setting the period for detecting the scan and vertical synchronization signal used in the activation mode that performs asynchronous driving (e.g., the second period) to be shorter than the period in which the vertical synchronization signal is transmitted. Accordingly, by entering the activation mode that performs synchronized driving relatively quickly, the response time of the touch-sensitive display (220) is reduced and the touch contact can be improved.

[0135] Referring to the first driving example (300) of FIG. 3, the length of the time of the activation mode performing asynchronous driving (e.g., time intervals between timing (361) and timing (366)) may be determined according to the difference between the time when a vertical synchronization signal is received (or, timing (111)) within the idle mode and the time when a scan is performed (e.g., scan interval (341) or the start time of the scan interval (341)), the length of the window interval (e.g., window interval (351-2)), and the period for scanning (and / or detection of the vertical synchronization signal) of the activation mode performing asynchronous driving (e.g., the second period). As an example without limitation, the length of the time of the activation mode performing asynchronous driving may be determined (or set) to a length corresponding to 10 sensing frames. Additionally, as a non-limiting example, the length of the time of the activation mode performing asynchronous driving may be determined (or set) to a length corresponding to 10 or fewer sensing frames (e.g., 80 ms (milliseconds) or less). For example, the length of the time of the activation mode performing asynchronous driving may be referenced as the length between the start time of the activation mode performing asynchronous driving and the start time of the activation mode performing synchronized driving. For example, an example in which the length of the time of the activation mode performing asynchronous driving changes according to the difference between the time when a vertical synchronization signal is received (or timing (111)) within the idle mode and the time when a scan is performed (e.g., the scan interval (341) or the start time of the scan interval (341)) is described below with reference to FIG. 4.

[0136] FIG. 4 illustrates a second driving example of a touch-sensitive display that is asynchronous with respect to a synchronization signal transmitted from a display driving circuit in an idle mode of the touch-sensitive display for low power consumption.

[0137] Referring to FIG. 4, the state (101) of a vertical synchronization signal is illustrated. The state (101) of the vertical synchronization signal may indicate whether the vertical synchronization signal is received (or triggered, provided, or transmitted) to synchronize the operation of the touch-sensitive display (220) (or touch processing circuit (240)). For example, the state (101) of the vertical synchronization signal being in a second state (or high state) that has been changed from a first state (or low state) may indicate that the vertical synchronization signal is received (or triggered, provided, or transmitted) from the display driving circuit (250). However, the present disclosure is not limited thereto. For example, the state (101) of the vertical synchronization signal changing from the first state to the second state (or changing from the second state to the first state) may indicate that the vertical synchronization signal is received (or triggered, provided, or transmitted) from the display driving circuit.

[0138] Referring to the state (101) of the vertical synchronization signal in FIG. 4, at each of the timings (111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121), the state of the vertical synchronization signal may change from the second state to the first state. In the example of FIG. 4, for convenience of explanation, it is assumed that the period during which the vertical synchronization signal is received (or generated) is approximately 8.3 ms (milliseconds) (or a period based on 120 Hz). In the example of FIG. 4, the length of the time interval (110) may be approximately 8.3 ms.

[0139] Referring to FIG. 4, a second driving example (400) including a non-synchronized driving and a synchronized driving with respect to a vertical synchronization signal transmitted from a display driving circuit (250) is shown.

[0140] Referring to the second driving example (400), a scan state (404) and a touch data transmission state (407) are illustrated. For example, the scan state (404) indicates the state of a scan performed by the touch processing circuit (240) controlling the touch sensor (230). For example, the touch data transmission state (407) indicates the state of touch data to be acquired according to a scan performed within the activation mode by the touch processing circuit (240) controlling the touch sensor (230) and to be transmitted to at least one processor (210).

[0141] Referring to the second driving example (400), the touch processing circuit (240) can perform asynchronous driving with respect to a vertical synchronization signal transmitted from the display driving circuit (250) while the mode of the touch-sensitive display (220) is within the idle mode. For example, the touch processing circuit (240) can refrain from detecting a vertical synchronization signal transmitted from the display driving circuit (250) while the mode of the touch-sensitive display (220) is within the idle mode. For example, the touch processing circuit (240) can perform a first scan for touch contact on the touch-sensitive display (220) using the touch sensor (230) according to a first period, based on refraining from detecting a vertical synchronization signal while the mode of the touch-sensitive display (220) is within the idle mode. For example, the first scan may be one of a self scan (S) and a mutual scan (M). Specific details regarding the first scan performed according to the first cycle, which is asynchronous with respect to the vertical synchronization signal, are explained with reference to the timing (111) and timing (461) of the second driving example (400).

[0142] For example, the touch processing circuit (240) may refrain from (or interrupt, bypass, or not detect) the vertical synchronization signal transmitted from the display driving circuit (250) during the time between timing (111) and timing (461). For example, the touch processing circuit (240) may refrain from detecting the vertical synchronization signal by refraining from driving the scan window block of the touch processing circuit (240). For example, the touch processing circuit (240) may perform the first scan during the scan interval (441) during the time between timing (111) and timing (461). For example, the scan interval (441) (or the start time of the scan interval (441)) may be defined independently of the vertical synchronization signal. The scan interval (441) defined independently of the vertical synchronization signal may be used for asynchronous driving.

[0143] For example, the touch processing circuit (240) can identify whether a touch contact on the touch-sensitive display (220) is detected according to the first scan performed during the scan interval (441). For example, the touch processing circuit (240) may not detect a touch contact on the touch-sensitive display (220) according to the first scan performed during the scan interval (441). For example, the touch-sensitive display (220) may maintain the mode of the touch-sensitive display (220) in the idle mode as no touch contact is detected.

[0144] For example, the touch processing circuit (240) may perform the first scan during a scan interval (442) following a scan interval (441) within timing (111) and timing (461). For example, the scan interval (442) (or the start time of the scan interval (442)) may be a time after the start time of the scan interval (441) by a length (440). For example, the length (440) may represent the length of time corresponding to the first cycle. As a non-limiting example, the length of the first cycle may correspond to the length of the cycle (110) in which the vertical synchronization signal is transmitted. In other words, the first cycle may be a cycle based on 120 Hz. However, the present disclosure is not limited thereto. For example, the length of the first cycle may be different from the length (110).

[0145] For example, the touch processing circuit (240) can identify whether a touch contact is detected on the touch-sensitive display (220) according to the first scan performed during the scan interval (442). For example, the touch processing circuit (240) can detect a touch contact on the touch-sensitive display (220) according to the scan performed during the scan interval (442). For example, the touch-sensitive display (220) can switch (or change, transition) the mode of the touch-sensitive display (220) from the idle mode to the active mode as a touch contact is detected. As an example without limitation, the mode of the touch-sensitive display (220) can be switched after a second reference time (492) (or at timing (461)) from the time when the touch contact was detected (or the end time of the scan interval (442)). As an example that is not limited, the length of the second reference time (492) may be the same as (or correspond to) the length of the second reference time (192).

[0146] It is assumed that the timing (111) of FIG. 3 matches (or aligns) the timing (111) of FIG. 4. For example, the difference between the start time of the scan section (441) of the second driving example (400) of FIG. 4 and the timing (111) may differ from the difference between the start time of the scan section (341) of the first driving example (300) of FIG. 3 and the timing (111). Since the touch processing circuit (240) performs a driving asynchronous with the vertical synchronization signal within the idle mode, the start time of the scan section (441) may change. For example, as the difference between the time when the vertical synchronization signal is received (or timing (111)) and the start time of the scan section (441) changes, the length of the time of driving in the asynchronous activation mode may change.

[0147] Referring to the second driving example (400), the touch processing circuit (240) can perform asynchronous driving with respect to a vertical synchronization signal transmitted from the display driving circuit (250) within each of at least one first time interval while the mode of the touch-sensitive display (220) is within the activation mode. For example, the at least one first time interval may include a time interval immediately after switching to the activation mode. As a non-limiting example, in a second driving example (400), the at least one first time interval may include a time interval between timing (461) and timing (462), a time interval between timing (462) and timing (463), a time interval between timing (463) and timing (464), a time interval between timing (464) and timing (465), a time interval between timing (465) and timing (466), a time interval between timing (466) and timing (467), and a time interval between timing (467) and timing (468a). For example, the touch processing circuit (240) may perform detection of a vertical synchronization signal transmitted from the display driving circuit (250) in response to a transition to the activation mode while the mode of the touch-sensitive display (220) is within the activation mode. For example, the touch processing circuit (240) may perform a second scan to transmit touch data to at least one processor (210) using a touch sensor (230) according to a second cycle different from the first cycle, based on detecting a vertical synchronization signal transmitted from the display driving circuit (250). For example, the second scan may include a self scan (S) and a mutual scan (M). Specific details regarding the second scan performed according to the second cycle desynchronized with respect to the vertical synchronization signal are described with reference to the timing (461) to timing (468) of the second driving example (400).

[0148] For example, the touch processing circuit (240) may perform the second scan during a scan interval (451-1) within the time interval between timing (461) and timing (462). For example, the scan interval (451-1) may be defined from timing (461) after the second reference time (492) from the scan interval (442) where a touch contact was detected. For example, the scan interval (451-1) may include timing (461). In other words, the start time of the scan interval (451-1) may be the same as (or correspond to) timing (461).

[0149] For example, the length of the scan interval (e.g., scan interval (451-1)) for the second scan performed within the activation mode may be longer than the length of the scan interval (e.g., scan interval (441), scan interval (442)) for the first scan performed within the idle mode. Since the second scan performs a self scan (S) and a mutual scan (M) to acquire touch data indicating the position (and movement, characteristics) of the touch contact, it may be longer than the first scan, which performs one of the self scan (S) and the mutual scan (M).

[0150] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (451-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (451-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0151] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (451-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (471) of the touch data. For example, the transmission (471) can be performed within the time interval between timing (461) and timing (462). For example, the time at which the transmission (471) is performed can be defined from the end time of the scan interval (451-1).

[0152] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (451-2) within the time interval between timing (461) and timing (462). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (451-2). In the second driving example (400), the vertical synchronization signal may not be detected within the window period (451-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0153] For example, the touch processing circuit (240) may perform the second scan during a scan interval (452-1) within the time interval between timing (462) and timing (463). For example, the scan interval (452-1) may be defined according to the second cycle from the scan interval (451-1). For example, the start time of the scan interval (452-1) may be a time after the length (450) of the second cycle from the start time of the scan interval (451-1). For example, the scan interval (452-1) may include timing (462). In other words, the start time of the scan interval (452-1) may be the same as (or correspond to) timing (462).

[0154] For example, the length of the time interval between a specific timing within the activation mode performing asynchronous driving and the timing immediately following the specific timing may have the length (450) of the second cycle. In the present disclosure, a time interval in which a scan for transmitting touch data (e.g., the second scan) and detection of a vertical synchronization signal are performed may be referred to as a sensing frame. By example, without limitation, the length of the time interval of the activation mode performing asynchronous driving may correspond to the length (450) of the second cycle (or touch sensing rate (TSR)) based on 135 Hz. For example, the length (450) may be the same as the length (350). By example, without limitation, the length (450) of the second cycle may be defined as 1 / 135 and may be shorter than the length (440) (or length (110)) of the first cycle defined as 1 / 120.

[0155] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (452-1). For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (452-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (472) of touch data. For example, the transmission (472) can be performed within a time interval between timing (462) and timing (463). For example, the time at which the transmission (472) is performed can be defined from the end time of the scan interval (452-1).

[0156] For example, the length (470) of the time interval between the time when transmission (472) is performed and the time when transmission (471) is performed may correspond to the length (450) of the second cycle in which the second scan is performed. As a non-limiting example, the length (470) may be defined as 1 / 135. In other words, the cycle in which touch data is transmitted from the touch processing circuit (240) to at least one processor (210) may correspond to (or be linked to) the cycle in which the second scan is performed.

[0157] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (452-2) within the time interval between timing (462) and timing (463). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (452-2). In the second driving example (400), the vertical synchronization signal may not be detected within the window period (452-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0158] In the second driving example (400), the difference between the window period (451-2) within the time interval between timing (461) and timing (462) and the timing (113) associated with the vertical synchronization signal may be different from the difference between the window period (452-2) within the time interval between timing (462) and timing (463) and the timing (114) associated with the vertical synchronization signal. This may be because the second period used within the activation mode performing asynchronous driving is different from the period in which the vertical synchronization signal is transmitted.

[0159] For example, the touch processing circuit (240) may perform the second scan during a scan interval (453-1) within the time interval between timing (463) and timing (464). For example, the scan interval (453-1) may be defined according to the second cycle from the scan interval (452-1). For example, the start time of the scan interval (453-1) may be a time after the length (450) of the second cycle from the start time of the scan interval (452-1). For example, the scan interval (453-1) may include timing (463). In other words, the start time of the scan interval (453-1) may be the same as (or correspond to) timing (463).

[0160] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (453-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (453-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0161] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (453-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (473) of the touch data. For example, the transmission (473) can be performed within the time interval between the timing (463) and the timing (464). For example, the time at which the transmission (473) is performed can be defined from the end time of the scan interval (453-1).

[0162] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (453-2) within the time interval between timing (463) and timing (464). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (453-2). In the second driving example (400), the vertical synchronization signal may not be detected within the window period (453-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0163] In the second driving example (400), the difference between the window period (453-2) within the time interval between timing (463) and timing (464) and the timing (115) related to the vertical synchronization signal may be different from the difference between the window period (452-2) within the time interval between timing (462) and timing (463) and the timing (114) related to the vertical synchronization signal.

[0164] For example, the touch processing circuit (240) may perform the second scan during a scan interval (454-1) within the time interval between timing (464) and timing (465). For example, the scan interval (454-1) may be defined according to the second cycle from the scan interval (453-1). For example, the start time of the scan interval (454-1) may be a time after the length (450) of the second cycle from the start time of the scan interval (453-1). For example, the scan interval (454-1) may include timing (464). In other words, the start time of the scan interval (454-1) may be the same as (or correspond to) timing (464).

[0165] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (454-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (454-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0166] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (454-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (474) of the touch data. For example, the transmission (474) can be performed within the time interval between the timing (464) and the timing (465). For example, the time at which the transmission (474) is performed can be defined from the end time of the scan interval (454-1).

[0167] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (454-2) within the time interval between timing (464) and timing (465). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (454-2). In the second driving example (400), the vertical synchronization signal may not be detected within the window period (454-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0168] In the second driving example (400), the difference between the window period (454-2) within the time interval between timing (464) and timing (465) and the timing (116) related to the vertical synchronization signal may be different from the difference between the window period (453-2) within the time interval between timing (463) and timing (464) and the timing (115) related to the vertical synchronization signal.

[0169] For example, the touch processing circuit (240) may perform the second scan during a scan interval (455-1) within the time interval between timing (465) and timing (466). For example, the scan interval (455-1) may be defined according to the second cycle from the scan interval (454-1). For example, the start time of the scan interval (455-1) may be a time after the length (450) of the second cycle from the start time of the scan interval (454-1). For example, the scan interval (455-1) may include timing (465). In other words, the start time of the scan interval (455-1) may be the same as (or correspond to) timing (465).

[0170] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (455-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (455-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0171] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (455-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (475) of the touch data. For example, the transmission (475) can be performed within the time interval between the timing (465) and the timing (466). For example, the time at which the transmission (475) is performed can be defined from the end time of the scan interval (455-1).

[0172] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (455-2) within the time interval between timing (465) and timing (466). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (455-2). In the second driving example (400), the vertical synchronization signal may not be detected within the window period (455-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0173] In the second driving example (400), the difference between the window period (455-2) within the time interval between timing (465) and timing (466) and the timing (117) related to the vertical synchronization signal may be different from the difference between the window period (454-2) within the time interval between timing (464) and timing (465) and the timing (116) related to the vertical synchronization signal.

[0174] For example, the touch processing circuit (240) may perform the second scan during a scan interval (456-1) within the time interval between timing (466) and timing (467). For example, the scan interval (456-1) may be defined according to the second cycle from the scan interval (455-1). For example, the start time of the scan interval (456-1) may be a time after the length (450) of the second cycle from the start time of the scan interval (455-1). For example, the scan interval (456-1) may include timing (466). In other words, the start time of the scan interval (456-1) may be the same as (or correspond to) timing (466).

[0175] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (456-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (456-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0176] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (456-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (476) of the touch data. For example, the transmission (476) can be performed within the time interval between the timing (466) and the timing (467). For example, the time at which the transmission (476) is performed can be defined from the end time of the scan interval (456-1).

[0177] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (456-2) within the time interval between timing (466) and timing (467). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (456-2). In the second driving example (400), the vertical synchronization signal may not be detected within the window period (456-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0178] In the second driving example (400), the difference between the window period (456-2) within the time interval between timing (466) and timing (467) and the timing (118) related to the vertical synchronization signal may be different from the difference between the window period (455-2) within the time interval between timing (465) and timing (466) and the timing (117) related to the vertical synchronization signal.

[0179] For example, the touch processing circuit (240) may perform the second scan during a scan interval (457-1) within the time interval between timing (467) and timing (468). For example, the scan interval (457-1) may be defined according to the second cycle from the scan interval (456-1). For example, the start time of the scan interval (457-1) may be a time after the length (450) of the second cycle from the start time of the scan interval (456-1). For example, the scan interval (457-1) may include timing (467). In other words, the start time of the scan interval (457-1) may be the same as (or correspond to) timing (467).

[0180] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (457-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (457-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0181] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (457-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (477) of the touch data. For example, the transmission (477) can be performed within the time interval between timing (467) and timing (468). For example, the time at which the transmission (477) is performed can be defined from the end time of the scan interval (457-1).

[0182] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (457-2) within the time interval between timing (467) and timing (468). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (457-2). In the second driving example (400), the vertical synchronization signal can be detected within the window period (457-2).

[0183] For example, a vertical synchronization signal may be detected within a portion (457a) of the window section (457-2). For example, the portion (457a) may be the beginning of the window section (457-2). In response to the detection of the vertical synchronization signal, the touch processing circuit (240) may perform a synchronized drive that has been changed from an asynchronous drive. Because the touch processing circuit (240) performs a synchronized drive in response to the detection of the vertical synchronization signal, the time interval between the timing (467) and the timing (468) according to the second cycle in which the second scan is performed may be substantially shortened to the time interval between the timing (467) and the timing (468a). In other words, the length (450a) of the last time interval (e.g., the time interval between timing (467) and timing (468a)) among the time intervals in the activation mode performing asynchronous driving may be shorter than the length (450) of the time interval prior to the last time interval (e.g., the time interval between timing (466) and timing (467)) among the time intervals in the activation mode performing asynchronous driving. In other words, the length (450a) may be shorter than the length of the second period (e.g., a period based on 135Hz). As a non-limiting example, the length (450a) may be 1 / 150, which is the inverse of 150Hz.

[0184] Referring to the second driving example (400), the touch processing circuit (240) can perform a driving synchronized with respect to a vertical synchronization signal transmitted from the display driving circuit (250) within each of at least one second time interval while the mode of the touch-sensitive display (220) is within the activation mode. For example, the at least one second time interval may include a time interval following the at least one first time interval. As a non-limiting example, in the second driving example (400), the at least one second time interval may include a time interval between timing (468a) and timing (469), and a time interval between timing (469) (or timing (120)) and timing (121). For example, the touch processing circuit (240) may perform a third scan to transmit touch data to at least one processor (210) using the touch sensor (230) according to the first period defined from the detected vertical synchronization signal, in response to the detection of a vertical synchronization signal during the window period while the mode of the touch-sensitive display (220) is within the activation mode. For example, the third scan may include a self scan (S) and a mutual scan (M). Specific details regarding the third scan performed according to the first period synchronized with the vertical synchronization signal are described with reference to the timing (468a) to the timing (121) of the second driving example (400).

[0185] For example, the touch processing circuit (240) may perform the third scan during a scan interval (458-1) within the time interval between timing (468a) and timing (469). For example, the scan interval (458-1) may be defined from a vertical synchronization signal (or timing (119)) detected within the window interval (457-2). For example, since synchronized driving is performed according to the detection of the vertical synchronization signal, timing (119) may be aligned with timing (468a). For example, the scan interval (458-1) may include timing (119) (or timing (468a)). In other words, the start time of the scan interval (458-1) may be the same as (or correspond to) timing (119) (or timing (468a)).

[0186] For example, the length of the scan interval (e.g., scan interval (458-1)) for the third scan performed within the activation mode may be longer than the length of the scan interval (e.g., scan interval (441), scan interval (442)) for the first scan performed within the idle mode. Since the third scan performs a self scan (S) and a mutual scan (M) to acquire touch data indicating the position (and movement, characteristics) of the touch contact, it may be longer than the first scan, which performs one of the self scan (S) and the mutual scan (M). For example, the length of the scan interval for the third scan may be the same as (or correspond to) the length of the scan interval for the second scan (e.g., scan interval (451-1)).

[0187] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the third scan performed during the scan interval (458-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the third scan performed during the scan interval (458-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0188] For example, the touch processing circuit (240) can transmit the touch data identified according to the third scan performed during the scan interval (458-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (478) of the touch data. For example, the transmission (478) can be performed within the time interval between the timing (468) and the timing (469). For example, the time at which the transmission (478) is performed can be defined from the end time of the scan interval (458-1). The length (470a) between the time at which the transmission (478) is performed and the time at which the transmission (477) is performed can be the same as (or correspond to) the length (450a).

[0189] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (458-2) within the time interval between timing (468a) and timing (469). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (458-2). In the second driving example (400), the vertical synchronization signal can be detected within the window period (458-2).

[0190] For example, the touch processing circuit (240) may perform the third scan during a scan interval (459-1) within the time interval between timing (469) and timing (121) immediately following timing (469). For example, the scan interval (459-1) may be defined from a vertical synchronization signal (or timing (120)) detected within a window interval (458-2). For example, the start time of the scan interval (459-1) may be a time after the length (460) of the first cycle from the start time of the scan interval (458-1). As a non-limiting example, the length (460) may be defined as 1 / 120. For example, since the synchronized drive is performed according to the detection of the vertical synchronization signal, the timing (120) may be aligned with the timing (469). For example, the scan interval (459-1) may include the timing (120) (or timing (469)). In other words, the start time of the scan interval (459-1) can be the same as (or correspond to) the timing (120) (or, timing (469)).

[0191] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the third scan performed during the scan interval (459-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the third scan performed during the scan interval (459-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0192] For example, the touch processing circuit (240) can transmit the touch data identified according to the third scan performed during the scan interval (459-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (479) of the touch data. For example, the transmission (479) can be performed within the time interval between the timing (469) and the timing (121). For example, the time at which the transmission (479) is performed can be defined from the end time of the scan interval (459-1). The length (480) between the time at which the transmission (479) is performed and the time at which the transmission (478) is performed can be the same as (or correspond to) the length (460).

[0193] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (459-2) within the time interval between timing (469) and timing (121). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (459-2). In the second driving example (400), the vertical synchronization signal can be detected within the window period (459-2).

[0194] Referring to the first driving example (300) of FIG. 3 and the second driving example (400) of FIG. 4, the length of the time of the activation mode performing asynchronous driving may be changed. For example, the length of the time of the activation mode performing asynchronous driving in the second driving example (400) (e.g., time intervals between timing (461) and timing (468a)) may be longer than the length of the time of the activation mode performing asynchronous driving in the first driving example (300) (e.g., time intervals between timing (361) and timing (366)).

[0195] In the first driving example (300) of FIG. 3 and the second driving example (400) of FIG. 4, the length of the second cycle used in the activation mode performing asynchronous driving is shown to be shorter than the length of the first cycle used in the activation mode performing idle mode and / or synchronized driving. However, the present disclosure is not limited thereto. For example, the length of the second cycle used in the activation mode performing asynchronous driving may be longer than the length of the first cycle used in the activation mode performing idle mode and / or synchronized driving. An example related thereto is described below with reference to FIG. 5.

[0196] FIG. 5 illustrates a third driving example of a touch-sensitive display that is asynchronous with respect to a synchronization signal transmitted from a display driving circuit in an idle mode of the touch-sensitive display for low power consumption.

[0197] Referring to FIG. 5, the state (101) of a vertical synchronization signal is illustrated. The state (101) of the vertical synchronization signal may indicate whether the vertical synchronization signal is received (or triggered, provided, or transmitted) to synchronize the operation of the touch-sensitive display (220) (or touch processing circuit (240)). For example, the state (101) of the vertical synchronization signal being in a second state (or high state) changed from a first state (or low state) may indicate that the vertical synchronization signal is received (or triggered, provided, or transmitted) from the display driving circuit (250). However, the present disclosure is not limited thereto. For example, the state (101) of the vertical synchronization signal changing from the first state to the second state (or changing from the second state to the first state) may indicate that the vertical synchronization signal is received (or triggered, provided, or transmitted) from the display driving circuit.

[0198] Referring to the state (101) of the vertical synchronization signal in FIG. 5, at each of the timings (111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122), the state of the vertical synchronization signal may change from the second state to the first state. In the example of FIG. 5, for convenience of explanation, it is assumed that the period during which the vertical synchronization signal is received (or generated) is approximately 8.3 ms (milliseconds) (or a period based on 120 Hz). In the example of FIG. 5, the length of the time interval (110) may be approximately 8.3 ms.

[0199] Referring to FIG. 5, a third driving example (500) is illustrated, comprising asynchronous driving and synchronous driving with respect to a vertical synchronization signal transmitted from a display driving circuit (250). By example, without limitation, the driving of the touch processing circuit (240) according to the third driving example (500) may be performed in accordance with the execution of a mode for low power consumption of the electronic device (200) (or touch-sensitive display (220)). For example, in accordance with the execution of the mode for low power consumption, the touch processing circuit (240) may increase the period (or length of the period) for scanning and detecting the vertical synchronization signal performed within an activation mode that performs asynchronous driving. As the period increases, the number of scans and detections performed within the same time is reduced, and thus the power consumption of the electronic device (200) (or touch-sensitive display (220)) may be lowered. Relatively speaking, the first driving example (300) of FIG. 3 and the second driving example (400) of FIG. 4 can be used more effectively in usage examples that require a fast response instead of low power consumption (e.g., use of game applications, use of applications where scroll input is frequently used). However, the use of the first driving example (300), the second driving example (400), and the third driving example (500) in the present disclosure is not limited by the examples described above.

[0200] Referring to the third driving example (500), a scan state (504) and a touch data transmission state (507) are illustrated. For example, the scan state (504) indicates the state of a scan performed by the touch processing circuit (240) controlling the touch sensor (230). For example, the touch data transmission state (507) indicates the state of touch data to be acquired according to a scan performed within the activation mode by the touch processing circuit (240) controlling the touch sensor (230) and to be transmitted to at least one processor (210).

[0201] Referring to the third driving example (500), the touch processing circuit (240) may perform asynchronous driving with respect to a vertical synchronization signal transmitted from the display driving circuit (250) while the mode of the touch-sensitive display (220) is within the idle mode. For example, the touch processing circuit (240) may refrain from detecting a vertical synchronization signal transmitted from the display driving circuit (250) while the mode of the touch-sensitive display (220) is within the idle mode. For example, the touch processing circuit (240) may perform a first scan for touch contact on the touch-sensitive display (220) using the touch sensor (230) according to a first period, based on refraining from detecting a vertical synchronization signal while the mode of the touch-sensitive display (220) is within the idle mode. For example, the first scan may be one of a self scan (S) and a mutual scan (M). Specific details regarding the first scan performed according to the first cycle, which is asynchronous with respect to the vertical synchronization signal, are explained with reference to the timing (111) and timing (561) of the third driving example (500).

[0202] For example, the touch processing circuit (240) may refrain from (or interrupt, bypass, or not detect) the vertical synchronization signal transmitted from the display driving circuit (250) during the time between timing (111) and timing (561). For example, the touch processing circuit (240) may refrain from detecting the vertical synchronization signal by refraining from driving the scan window block of the touch processing circuit (240). For example, the touch processing circuit (240) may perform the first scan during the scan interval (541) during the time between timing (111) and timing (561). For example, the scan interval (541) (or the start time of the scan interval (541)) may be defined independently of the vertical synchronization signal. The scan interval (541) defined independently of the vertical synchronization signal may be used for asynchronous driving.

[0203] For example, the touch processing circuit (240) can identify whether a touch contact on the touch-sensitive display (220) is detected according to the first scan performed during the scan interval (541). For example, the touch processing circuit (240) may not detect a touch contact on the touch-sensitive display (220) according to the first scan performed during the scan interval (541). For example, the touch-sensitive display (220) may maintain the mode of the touch-sensitive display (220) in the idle mode as no touch contact is detected.

[0204] For example, the touch processing circuit (240) may perform the first scan during a scan interval (542) following a scan interval (541) within timing (111) and timing (561). For example, the scan interval (542) (or the start time of the scan interval (542)) may be a time after the start time of the scan interval (541) by a length (540). For example, the length (540) may represent the length of time corresponding to the first cycle. As a non-limiting example, the length of the first cycle may correspond to the length of the cycle (110) in which the vertical synchronization signal is transmitted. In other words, the first cycle may be a cycle based on 120 Hz. However, the present disclosure is not limited thereto. For example, the length of the first cycle may be different from the length (110).

[0205] For example, the touch processing circuit (240) can identify whether a touch contact is detected on the touch-sensitive display (220) according to the first scan performed during the scan interval (542). For example, the touch processing circuit (240) can detect a touch contact on the touch-sensitive display (220) according to the scan performed during the scan interval (542). For example, the touch-sensitive display (220) can switch (or change, transition) the mode of the touch-sensitive display (220) from the idle mode to the active mode as a touch contact is detected. As an example without limitation, the mode of the touch-sensitive display (220) can be switched after a second reference time (592) (or at timing (561)) from the time when the touch contact was detected (or the end time of the scan interval (542)). As an example that is not limited, the length of the second reference time (592) may be the same as (or correspond to) the length of the second reference time (192).

[0206] Referring to the third driving example (500), the touch processing circuit (240) can perform asynchronous driving with respect to a vertical synchronization signal transmitted from the display driving circuit (250) within each of at least one first time interval while the mode of the touch-sensitive display (220) is within the activation mode. For example, the at least one first time interval may include a time interval immediately after switching to the activation mode. As a non-limiting example, in a third driving example (500), the at least one first time interval may include a time interval between timing (561) and timing (562), a time interval between timing (562) and timing (563), a time interval between timing (563) and timing (564), a time interval between timing (564) and timing (565), a time interval between timing (565) and timing (566), a time interval between timing (566) and timing (567), and a time interval between timing (567) and timing (568). For example, the touch processing circuit (240) may perform detection of a vertical synchronization signal transmitted from the display driving circuit (250) in response to a transition to the activation mode while the mode of the touch-sensitive display (220) is within the activation mode. For example, the touch processing circuit (240) may perform a second scan to transmit touch data to at least one processor (210) using a touch sensor (230) according to a second cycle different from the first cycle, based on detecting a vertical synchronization signal transmitted from the display driving circuit (250). For example, the length (550) of the second cycle may be shorter than the length (540) (or length (560)) of the first cycle. For example, the second scan may include a self scan (S) and a mutual scan (M).Specific details regarding the second scan performed according to the second cycle, which is asynchronous with respect to the vertical synchronization signal, are explained with reference to the timing (561) to timing (568) of the third driving example (500).

[0207] For example, the touch processing circuit (240) may perform the second scan during a scan interval (551-1) within the time interval between timing (561) and timing (562). For example, the scan interval (551-1) may be defined from timing (561) after the second reference time (592) from the scan interval (542) where a touch contact was detected. For example, the scan interval (551-1) may include timing (561). In other words, the start time of the scan interval (551-1) may be the same as (or correspond to) timing (561).

[0208] For example, the length of the scan interval (e.g., scan interval (551-1)) for the second scan performed within the activation mode may be longer than the length of the scan interval (e.g., scan interval (541), scan interval (542)) for the first scan performed within the idle mode. Since the second scan performs a self scan (S) and a mutual scan (M) to acquire touch data indicating the position (and movement, characteristics) of the touch contact, it may be longer than the first scan, which performs one of the self scan (S) and the mutual scan (M).

[0209] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (551-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (551-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0210] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (551-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (571) of the touch data. For example, the transmission (571) can be performed within the time interval between timing (561) and timing (562). For example, the time at which the transmission (571) is performed can be defined from the end time of the scan interval (551-1).

[0211] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (551-2) within the time interval between timing (561) and timing (562). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (551-2). In the third driving example (500), the vertical synchronization signal may not be detected within the window period (551-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0212] For example, the touch processing circuit (240) may perform the second scan during a scan interval (552-1) within the time interval between timing (562) and timing (563). For example, the scan interval (552-1) may be defined according to the second cycle from the scan interval (551-1). For example, the start time of the scan interval (552-1) may be a time after the length (550) of the second cycle from the start time of the scan interval (551-1). For example, the scan interval (552-1) may include timing (562). In other words, the start time of the scan interval (552-1) may be the same as (or correspond to) timing (562).

[0213] For example, the length of the time interval between a specific timing within the activation mode performing asynchronous driving and the timing immediately following the specific timing may have the length (550) of the second cycle. For example, the length (550) may be longer than the length (350) of FIG. 3 and the length (450) of FIG. 4. As a non-limiting example, the length (550) of the second cycle may be defined as 1 / 110 and may be shorter than the length (540) (or length (110)) of the first cycle defined as 1 / 120.

[0214] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (552-1). For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (552-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (572) of touch data. For example, the transmission (572) can be performed within a time interval between timing (562) and timing (563). For example, the time at which the transmission (572) is performed can be defined from the end time of the scan interval (552-1).

[0215] For example, the length (570) of the time interval between the time when transmission (572) is performed and the time when transmission (571) is performed may correspond to the length (550) of the second cycle in which the second scan is performed. As a non-limiting example, the length (570) may be defined as 1 / 110. In other words, the cycle in which touch data is transmitted from the touch processing circuit (240) to at least one processor (210) may correspond to (or be linked to) the cycle in which the second scan is performed.

[0216] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (552-2) within the time interval between timing (562) and timing (563). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (552-2). In the third driving example (500), the vertical synchronization signal may not be detected within the window period (552-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0217] In the third driving example (500), the difference between the window period (551-2) within the time interval between timing (561) and timing (562) and the timing (113) associated with the vertical synchronization signal may be different from the difference between the window period (552-2) within the time interval between timing (562) and timing (563) and the timing (114) associated with the vertical synchronization signal. This may be because the second period used within the activation mode performing asynchronous driving is different from the period in which the vertical synchronization signal is transmitted.

[0218] For example, the touch processing circuit (240) may perform the second scan during a scan interval (553-1) within the time interval between timing (563) and timing (564). For example, the scan interval (553-1) may be defined according to the second cycle from the scan interval (552-1). For example, the start time of the scan interval (553-1) may be a time after the length (550) of the second cycle from the start time of the scan interval (552-1). For example, the scan interval (553-1) may include timing (563). In other words, the start time of the scan interval (553-1) may be the same as (or correspond to) timing (563).

[0219] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (553-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (553-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0220] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (553-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (573) of the touch data. For example, the transmission (573) can be performed within the time interval between the timing (563) and the timing (564). For example, the time at which the transmission (573) is performed can be defined from the end time of the scan interval (553-1).

[0221] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (553-2) within the time interval between timing (563) and timing (564). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (553-2). In the third driving example (500), the vertical synchronization signal may not be detected within the window period (553-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0222] In the third driving example (500), the difference between the window period (553-2) within the time interval between timing (563) and timing (564) and the timing (115) related to the vertical synchronization signal may be different from the difference between the window period (552-2) within the time interval between timing (562) and timing (563) and the timing (114) related to the vertical synchronization signal.

[0223] For example, the touch processing circuit (240) may perform the second scan during a scan interval (554-1) within the time interval between timing (564) and timing (565). For example, the scan interval (554-1) may be defined according to the second cycle from the scan interval (553-1). For example, the start time of the scan interval (554-1) may be a time after the length (550) of the second cycle from the start time of the scan interval (553-1). For example, the scan interval (554-1) may include timing (564). In other words, the start time of the scan interval (554-1) may be the same as (or correspond to) timing (564).

[0224] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (554-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (554-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0225] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (554-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (574) of the touch data. For example, the transmission (574) can be performed within the time interval between timing (564) and timing (565). For example, the time at which the transmission (574) is performed can be defined from the end time of the scan interval (554-1).

[0226] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (554-2) within the time interval between timing (564) and timing (565). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (554-2). In the third driving example (500), the vertical synchronization signal may not be detected within the window period (554-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0227] In the third driving example (500), the difference between the window period (554-2) within the time interval between timing (564) and timing (565) and the timing (116) related to the vertical synchronization signal may be different from the difference between the window period (553-2) within the time interval between timing (563) and timing (564) and the timing (115) related to the vertical synchronization signal.

[0228] For example, the touch processing circuit (240) may perform the second scan during a scan interval (555-1) within the time interval between timing (565) and timing (566). For example, the scan interval (555-1) may be defined according to the second cycle from the scan interval (554-1). For example, the start time of the scan interval (555-1) may be a time after the length (550) of the second cycle from the start time of the scan interval (554-1). For example, the scan interval (555-1) may include timing (565). In other words, the start time of the scan interval (555-1) may be the same as (or correspond to) timing (565).

[0229] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (555-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (555-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0230] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (555-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (575) of the touch data. For example, the transmission (575) can be performed within the time interval between the timing (565) and the timing (566). For example, the time at which the transmission (575) is performed can be defined from the end time of the scan interval (555-1).

[0231] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (555-2) within the time interval between timing (565) and timing (566). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (555-2). In the third driving example (500), the vertical synchronization signal may not be detected within the window period (555-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0232] In the third driving example (500), the difference between the window period (555-2) within the time interval between timing (565) and timing (566) and the timing (117) related to the vertical synchronization signal may be different from the difference between the window period (554-2) within the time interval between timing (564) and timing (565) and the timing (116) related to the vertical synchronization signal.

[0233] For example, the touch processing circuit (240) may perform the second scan during a scan interval (556-1) within the time interval between timing (566) and timing (567). For example, the scan interval (556-1) may be defined according to the second cycle from the scan interval (555-1). For example, the start time of the scan interval (556-1) may be a time after the length (550) of the second cycle from the start time of the scan interval (555-1). For example, the scan interval (556-1) may include timing (566). In other words, the start time of the scan interval (556-1) may be the same as (or correspond to) timing (566).

[0234] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (556-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (556-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0235] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (556-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (576) of the touch data. For example, the transmission (576) can be performed within the time interval between the timing (566) and the timing (567). For example, the time at which the transmission (576) is performed can be defined from the end time of the scan interval (556-1).

[0236] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (556-2) within the time interval between timing (566) and timing (567). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (556-2). In the third driving example (500), the vertical synchronization signal may not be detected within the window period (556-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0237] In the third driving example (500), the difference between the window period (556-2) within the time interval between timing (566) and timing (567) and the timing (118) related to the vertical synchronization signal may be different from the difference between the window period (555-2) within the time interval between timing (565) and timing (566) and the timing (117) related to the vertical synchronization signal.

[0238] For example, the touch processing circuit (240) may perform the second scan during a scan interval (557-1) within the time interval between timing (567) and timing (568). For example, the scan interval (557-1) may be defined according to the second cycle from the scan interval (556-1). For example, the start time of the scan interval (557-1) may be a time after the length (550) of the second cycle from the start time of the scan interval (556-1). For example, the scan interval (557-1) may include timing (567). In other words, the start time of the scan interval (557-1) may be the same as (or correspond to) timing (567).

[0239] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (557-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (557-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0240] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (557-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (577) of the touch data. For example, the transmission (577) can be performed within the time interval between timing (567) and timing (568). For example, the time at which the transmission (577) is performed can be defined from the end time of the scan interval (557-1).

[0241] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (557-2) within the time interval between timing (567) and timing (568). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (557-2). In the third driving example (500), the vertical synchronization signal can be detected within the window period (557-2). Accordingly, the touch processing circuit (240) can perform a synchronized driving that has been changed from an asynchronous driving.

[0242] Referring to the third driving example (500), the touch processing circuit (240) can perform a driving synchronized with respect to a vertical synchronization signal transmitted from the display driving circuit (250) within each of at least one second time interval while the mode of the touch-sensitive display (220) is within the activation mode. For example, the at least one second time interval may include a time interval following the at least one first time interval. As a non-limiting example, in the third driving example (500), the at least one second time interval may include a time interval between timing (568) and timing (569) (or, timing (121)), and a time interval between timing (121) and timing (122). For example, the touch processing circuit (240) may perform a third scan to transmit touch data to at least one processor (210) using the touch sensor (230) according to the first period defined from the detected vertical synchronization signal, in response to the detection of a vertical synchronization signal during the window period while the mode of the touch-sensitive display (220) is within the activation mode. For example, the third scan may include a self scan (S) and a mutual scan (M). Specific details regarding the third scan performed according to the first period synchronized with the vertical synchronization signal are described with reference to the timing (568) to the timing (122) of the third driving example (500).

[0243] For example, the touch processing circuit (240) may perform the third scan during a scan interval (558-1) within the time interval between timing (568) and timing (569). For example, the scan interval (558-1) may be defined from a vertical synchronization signal (or timing (120)) detected within the window interval (557-2). For example, since the synchronized drive is performed according to the detection of the vertical synchronization signal, timing (120) may be aligned with timing (568). For example, the scan interval (558-1) may include timing (120) (or timing (568)). In other words, the start time of the scan interval (558-1) may be the same as (or correspond to) timing (120) (or timing (568)).

[0244] For example, the length of the scan interval (e.g., scan interval (568-1)) for the third scan performed within the activation mode may be longer than the length of the scan interval (e.g., scan interval (541), scan interval (542)) for the first scan performed within the idle mode. Since the third scan performs a self scan (S) and a mutual scan (M) to acquire touch data indicating the position (and movement, characteristics) of the touch contact, it may be longer than the first scan, which performs one of the self scan (S) and the mutual scan (M). For example, the length of the scan interval for the third scan may be the same as (or correspond to) the length of the scan interval for the second scan (e.g., scan interval (551-1)).

[0245] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the third scan performed during the scan interval (558-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the third scan performed during the scan interval (558-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0246] For example, the touch processing circuit (240) can transmit the touch data identified according to the third scan performed during the scan interval (558-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (578) of the touch data. For example, the transmission (578) can be performed within the time interval between the timing (568) and the timing (569). For example, the time at which the transmission (578) is performed can be defined from the end time of the scan interval (558-1). The length (570) between the time at which the transmission (578) is performed and the time at which the transmission (577) is performed can be the same as (or correspond to) the length (550).

[0247] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (558-2) within the time interval between timing (568) and timing (569). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (558-2). In the third driving example (500), the vertical synchronization signal can be detected within the window period (558-2). Accordingly, the touch processing circuit (240) can perform synchronized driving.

[0248] For example, the touch processing circuit (240) may perform the third scan during a scan interval (559-1) within the time interval between timing (569) and timing (122) immediately following timing (569). For example, the scan interval (559-1) may be defined from a vertical synchronization signal (or timing (120)) detected within a window interval (558-2). For example, the start time of the scan interval (559-1) may be a time after the length (560) of the first cycle from the start time of the scan interval (558-1). As a non-limiting example, the length (560) may be defined as 1 / 120. For example, since the synchronized drive is performed according to the detection of the vertical synchronization signal, timing (121) may be aligned with timing (569). For example, the scan interval (559-1) may include timing (121) (or timing (569)). In other words, the start time of the scan interval (559-1) can be the same as (or correspond to) the timing (121) (or, timing (569)).

[0249] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the third scan performed during the scan interval (559-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the third scan performed during the scan interval (559-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0250] For example, the touch processing circuit (240) can transmit the touch data identified according to the third scan performed during the scan interval (559-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (579) of the touch data. For example, the transmission (579) can be performed within the time interval between the timing (569) and the timing (122). For example, the time at which the transmission (579) is performed can be defined from the end time of the scan interval (559-1). The length (580) between the time at which the transmission (579) is performed and the time at which the transmission (578) is performed can be the same as (or correspond to) the length (560).

[0251] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (559-2) within the time interval between timing (569) and timing (122). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (559-2). In the third driving example (500), the vertical synchronization signal can be detected within the window period (559-2).

[0252] In the first driving example (300) of FIG. 3, the second driving example (400) of FIG. 4, and the third driving example (500) of FIG. 5, a case is illustrated in which the period (e.g., the second period) used within the activation mode performing asynchronous driving is fixed, but the present disclosure is not limited thereto. For example, a plurality of periods may be used within the activation mode performing asynchronous driving. For example, the plurality of periods may be gradually adjusted (or changed). Specific details related thereto are described below with reference to FIG. 6.

[0253] FIG. 6 illustrates a fourth driving example of a touch-sensitive display that is asynchronous with respect to a synchronization signal transmitted from a display driving circuit in an idle mode of the touch-sensitive display for low power consumption.

[0254] Referring to the state (101) of the vertical synchronization signal in FIG. 6, at each of the timings (111, 112, 113, 114, 115, 116, 117), the state of the vertical synchronization signal may change from the second state to the first state. In the example of FIG. 6, for convenience of explanation, it is assumed that the period during which the vertical synchronization signal is received (or generated) is approximately 8.3 ms (milliseconds) (or a period based on 120 Hz). In the example of FIG. 6, the length of the time interval (110) may be approximately 8.3 ms. However, the present disclosure is not limited thereto. For example, the state (101) of the vertical synchronization signal changing from the first state to the second state (or changing from the second state to the first state) may indicate that the vertical synchronization signal is received (or triggered, provided, or transmitted) from the display driving circuit.

[0255] Referring to FIG. 6, a fourth driving example (600) is shown that includes a non-synchronized driving and a synchronized driving with respect to a vertical synchronization signal transmitted from a display driving circuit (250).

[0256] Referring to the fourth driving example (600), a scan state (604) and a touch data transmission state (607) are illustrated. For example, the scan state (604) indicates the state of a scan performed by the touch processing circuit (240) controlling the touch sensor (230). For example, the touch data transmission state (607) indicates the state of touch data to be acquired according to a scan performed within the activation mode by the touch processing circuit (240) controlling the touch sensor (230) and to be transmitted to at least one processor (210).

[0257] Referring to the fourth driving example (600), the touch processing circuit (240) can perform asynchronous driving with respect to a vertical synchronization signal transmitted from the display driving circuit (250) while the mode of the touch-sensitive display (220) is within the idle mode. For example, the touch processing circuit (240) can refrain from detecting a vertical synchronization signal transmitted from the display driving circuit (250) while the mode of the touch-sensitive display (220) is within the idle mode. For example, the touch processing circuit (240) can perform a first scan for touch contact on the touch-sensitive display (220) using the touch sensor (230) according to a first period, based on refraining from detecting a vertical synchronization signal while the mode of the touch-sensitive display (220) is within the idle mode. For example, the first scan may be one of a self scan (S) and a mutual scan (M). Specific details regarding the first scan performed according to the first cycle, which is asynchronous with respect to the vertical synchronization signal, are explained with reference to the timing (111) and timing (661) of the fourth driving example (600).

[0258] For example, the touch processing circuit (240) may refrain from (or interrupt, bypass, or not detect) the vertical synchronization signal transmitted from the display driving circuit (250) during the time between timing (111) and timing (661). For example, the touch processing circuit (240) may refrain from detecting the vertical synchronization signal by refraining from driving the scan window block of the touch processing circuit (240). For example, the touch processing circuit (240) may perform the first scan during the scan interval (641) within the time between timing (111) and timing (661). For example, the scan interval (641) (or the start time of the scan interval (641)) may be defined independently of the vertical synchronization signal. The scan interval (641) defined independently of the vertical synchronization signal may be used for asynchronous driving.

[0259] For example, the touch processing circuit (240) can identify whether a touch contact on the touch-sensitive display (220) is detected according to the first scan performed during the scan interval (641). For example, the touch processing circuit (240) may not detect a touch contact on the touch-sensitive display (220) according to the first scan performed during the scan interval (641). For example, the touch-sensitive display (220) may maintain the mode of the touch-sensitive display (220) in the idle mode as no touch contact is detected.

[0260] For example, the touch processing circuit (240) may perform the first scan during a scan interval (642) following a scan interval (641) within timing (111) and timing (661). For example, the scan interval (642) (or the start time of the scan interval (642)) may be a time after the start time of the scan interval (641) by a length (640). For example, the length (640) may represent the length of time corresponding to the first cycle. As a non-limiting example, the length of the first cycle may correspond to the length of the cycle (110) in which the vertical synchronization signal is transmitted. In other words, the first cycle may be a cycle based on 120 Hz. However, the present disclosure is not limited thereto. For example, the length of the first cycle may be different from the length (110).

[0261] For example, the touch processing circuit (240) can identify whether a touch contact is detected on the touch-sensitive display (220) according to the first scan performed during the scan interval (642). For example, the touch processing circuit (240) can detect a touch contact on the touch-sensitive display (220) according to the scan performed during the scan interval (642). For example, the touch-sensitive display (220) can switch (or change, transition) the mode of the touch-sensitive display (220) from the idle mode to the active mode as a touch contact is detected. As an example without limitation, the mode of the touch-sensitive display (220) can be switched after a second reference time (692) (or at timing (661)) from the time when the touch contact was detected (or the end time of the scan interval (642)). As an example that is not limited, the length of the second reference time (692) may be the same as (or correspond to) the length of the second reference time (192).

[0262] Referring to the fourth driving example (600), the touch processing circuit (240) may perform asynchronous driving with respect to a vertical synchronization signal transmitted from the display driving circuit (250) within each of at least one first time interval while the mode of the touch-sensitive display (220) is within the activation mode. For example, the at least one first time interval may include a time interval immediately after switching to the activation mode. As a non-limiting example, in the fourth driving example (600), the at least one first time interval may include a time interval between timing (661) and timing (662), a time interval between timing (662) and timing (663), and a time interval between timing (663) and timing (664). For example, the touch processing circuit (240) may perform detection of a vertical synchronization signal transmitted from the display driving circuit (250) in response to a switch to the activation mode while the mode of the touch-sensitive display (220) is within the activation mode. For example, the touch processing circuit (240) may perform a second scan to transmit touch data to at least one processor (210) using a touch sensor (230) according to a plurality of cycles different from the first cycle, based on detecting a vertical synchronization signal transmitted from the display driving circuit (250). For example, the second scan may include a self scan (S) and a mutual scan (M). Specific details regarding the second scan performed according to the second cycle desynchronized with respect to the vertical synchronization signal are described with reference to the timing (661) to timing (664) of the fourth driving example (600).

[0263] For example, the touch processing circuit (240) may perform the second scan during a scan interval (651-1) within the time interval between timing (661) and timing (662). For example, the scan interval (651-1) may be defined from timing (661) after the second reference time (692) from the scan interval (642) where a touch contact was detected. For example, the scan interval (651-1) may include timing (661). In other words, the start time of the scan interval (651-1) may be the same as (or correspond to) timing (661).

[0264] For example, the length of the scan interval (e.g., scan interval (651-1)) for the second scan performed within the activation mode may be longer than the length of the scan interval (e.g., scan interval (641), scan interval (642)) for the first scan performed within the idle mode. Since the second scan performs a self scan (S) and a mutual scan (M) to acquire touch data indicating the position (and movement, characteristics) of the touch contact, it may be longer than the first scan, which performs one of the self scan (S) and the mutual scan (M).

[0265] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (651-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the second scan performed during the scan interval (651-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0266] For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (651-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (671) of the touch data. For example, the transmission (671) can be performed within the time interval between timing (661) and timing (662). For example, the time at which the transmission (671) is performed can be defined from the end time of the scan interval (651-1).

[0267] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (651-2) within the time interval between timing (661) and timing (662). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (651-2). In the fourth driving example (600), the vertical synchronization signal may not be detected within the window period (651-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0268] For example, the touch processing circuit (240) may perform the second scan during a scan interval (652-1) within the time interval between timing (662) and timing (663). For example, the scan interval (652-1) may be defined according to a second period from the scan interval (651-1). For example, the start time of the scan interval (652-1) may be a time after the length (650-1) of the second period from the start time of the scan interval (651-1). By example, without limitation, the second period may be a period based on 150 Hz. For example, the length (650-1) may be defined as 1 / 150. For example, the scan interval (652-1) may include timing (662). In other words, the start time of the scan interval (652-1) may be the same as (or correspond to) timing (662).

[0269] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (652-1). For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (652-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (672) of touch data. For example, the transmission (672) can be performed within a time interval between timing (662) and timing (663). For example, the time at which the transmission (672) is performed can be defined from the end time of the scan interval (652-1).

[0270] For example, the length (670-1) of the time interval between the time when transmission (672) is performed and the time when transmission (671) is performed may correspond to the length (650-1) of the second cycle in which the second scan is performed. As a non-limiting example, the length (670-1) may be defined as 1 / 150. In other words, the cycle in which touch data is transmitted from the touch processing circuit (240) to at least one processor (210) may correspond to (or be linked to) the cycle in which the second scan is performed.

[0271] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (652-2) within the time interval between timing (662) and timing (663). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (652-2). In the fourth driving example (600), the vertical synchronization signal may not be detected within the window period (652-2). Accordingly, the touch processing circuit (240) can maintain asynchronous driving within the activation mode.

[0272] For example, the touch processing circuit (240) may perform the second scan during a scan interval (653-1) within the time interval between timing (663) and timing (664). For example, the scan interval (653-1) may be defined according to a third period from the scan interval (652-1). For example, the start time of the scan interval (653-1) may be a time after the length (650-2) of the third period from the start time of the scan interval (652-1). By example, without limitation, the third period may be a period based on 145 Hz. For example, the length (650-2) may be defined as 1 / 145. For example, the scan interval (653-1) may include timing (663). In other words, the start time of the scan interval (653-1) may be the same as (or correspond to) timing (663).

[0273] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the second scan performed during the scan interval (653-1). For example, the touch processing circuit (240) can transmit the touch data identified according to the second scan performed during the scan interval (653-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (673) of touch data. For example, the transmission (673) can be performed within a time interval between timing (663) and timing (664). For example, the time at which the transmission (673) is performed can be defined from the end time of the scan interval (653-1).

[0274] For example, the length (670-2) of the time interval between the time when transmission (673) is performed and the time when transmission (672) is performed may correspond to the length (650-2) of the third cycle in which the second scan is performed. As a non-limiting example, the length (670-2) may be defined as 1 / 145. In other words, the cycle in which touch data is transmitted from the touch processing circuit (240) to at least one processor (210) may correspond to (or be linked to) the cycle in which the second scan is performed.

[0275] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (653-2) within the time interval between timing (663) and timing (664). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (653-2). In the fourth driving example (600), the vertical synchronization signal can be detected within the window period (653-2). Accordingly, the touch processing circuit (240) can perform a synchronized driving that has been changed from an asynchronous driving.

[0276] Referring to the fourth driving example (600), the touch processing circuit (240) can perform a driving synchronized with respect to a vertical synchronization signal transmitted from the display driving circuit (250) within each of at least one second time interval while the mode of the touch-sensitive display (220) is within the activation mode. For example, the at least one second time interval may include a time interval following the at least one first time interval. In the fourth driving example (600) illustrated in FIG. 6, the at least one first time interval may include a time interval between timing (661) and timing (662) corresponding to the length (650-1) according to the second cycle, a time interval between timing (662) and timing (663) corresponding to the length (650-2) according to the third cycle, and a time interval between timing (663) and timing (664) corresponding to the length (650-3) according to the fourth cycle. As a non-limiting example, in the fourth driving example (600), the at least one second time interval may include a time interval between timing (664) and timing (665) (or, timing (116)), and a time interval between timing (116) and timing (117). For example, the touch processing circuit (240) may perform a third scan to transmit touch data to at least one processor (210) using the touch sensor (230) according to the first period defined from the detected vertical synchronization signal, in response to the detection of a vertical synchronization signal during the window period while the mode of the touch-sensitive display (220) is within the activation mode. For example, the third scan may include a self scan (S) and a mutual scan (M).Specific details regarding the third scan performed according to the first cycle synchronized with respect to the vertical synchronization signal are explained with reference to the timing (664) to timing (665) and timing (116) (or, timing (665)) to timing (117) of the fourth driving example (600).

[0277] For example, the touch processing circuit (240) may perform the third scan during a scan interval (654-1) within the time interval between timing (664) and timing (665). For example, the scan interval (654-1) may be defined from timing (115). For example, the time interval between scan interval (654-1) and scan interval (653-1) may correspond to the length of the fourth cycle. For example, it may be a time after the length of the fourth cycle (650-3). By example, without limitation, the fourth cycle may be a cycle based on 140 Hz. For example, timing (115) may be aligned with timing (664) because it performs synchronized driving based on the detection of a vertical synchronization signal. For example, the length (650-3) may be defined as 1 / 140. For example, the scan interval (654-1) may include timing (115) (or timing (664)). In other words, the start time of the scan interval (654-1) may be the same as (or correspond to) timing (115) (or timing (664)).

[0278] For example, the length of the scan interval (e.g., scan interval (654-1) or scan interval (655-1)) for the third scan performed within the activation mode may be longer than the length of the scan interval (e.g., scan interval (641), scan interval (642)) for the first scan performed within the idle mode. Since the third scan performs a self scan (S) and a mutual scan (M) to acquire touch data indicating the position (and movement, characteristics) of the touch contact, it may be longer than the first scan, which performs one of the self scan (S) and the mutual scan (M). For example, the length of the scan interval for the third scan may be the same as (or correspond to) the length of the scan interval for the second scan (e.g., scan interval (651-1)).

[0279] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the third scan performed during the scan interval (654-1). For example, the touch processing circuit (240) can transmit the touch data identified according to the third scan performed during the scan interval (654-1) to at least one processor (210). For example, the touch processing circuit (240) can perform the transmission (674) of touch data. For example, the transmission (674) can be performed within a time interval between timing (664) and timing (665). For example, the time at which the transmission (674) is performed can be defined from the end time of the scan interval (654-1).

[0280] For example, the length of the time interval (670-3) between the time when transmission (674) is performed and the time when transmission (673) is performed may correspond to the length (650-3) of the fourth cycle. As a non-limiting example, the length (670-3) may be defined as 1 / 140.

[0281] For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period (654-2) within the time interval between timing (664) and timing (665). For example, the touch processing circuit (240) can detect a vertical synchronization signal transmitted from the display driving circuit (250) by driving a scan window block during the window period (654-2). In the fourth driving example (600), the vertical synchronization signal can be detected within the window period (654-2).

[0282] For example, the touch processing circuit (240) may perform the third scan during a scan interval (655-1) within the time interval between timing (665) (or timing (116)) and timing (117). For example, the scan interval (655-1) may be defined from the vertical synchronization signal (or timing (116)) detected within the window interval (654-2). For example, the start time of the scan interval (655-1) may be a time after the length (660) of the first cycle from the start time of the scan interval (654-1). As a non-limiting example, the length (660) may be defined as 1 / 120. For example, since the synchronized drive is performed according to the detection of the vertical synchronization signal, the timing (116) may be aligned with the timing (665). For example, the scan interval (655-1) may include timing (116) (or timing (665)). In other words, the start time of the scan interval (655-1) may be the same as (or correspond to) timing (116) (or timing (665)).

[0283] For example, the touch processing circuit (240) can identify touch data of a touch contact detected on a touch-sensitive display (220) according to the third scan performed during the scan interval (655-1). For example, the touch processing circuit (240) can acquire sensing data of a touch contact according to the third scan performed during the scan interval (655-1) and identify the touch data from the acquired sensing data. However, the present disclosure is not limited thereto. For example, the touch data may be identical to the sensing data.

[0284] For example, the touch processing circuit (240) may transmit the touch data identified according to the third scan performed during the scan interval (655-1) to at least one processor (210). For example, the touch processing circuit (240) may perform the transmission (675) of the touch data. For example, the transmission (675) may be performed within the time interval between the timing (665) (or, timing (116)) and the timing (117). For example, the time at which the transmission (675) is performed may be defined from the end time of the scan interval (655-1). The length (680) between the time at which the transmission (675) is performed and the time at which the transmission (674) is performed may be the same as (or correspond to) the length (660).

[0285] In the fourth driving example (600) of FIG. 6, a case is described in which a plurality of periods used for a scan (e.g., the second scan) within the activation mode performing asynchronous driving is gradually lengthened (or frequencies are gradually decreased), but the present disclosure is not limited thereto. For example, a plurality of periods used for a scan (e.g., the second scan) within the activation mode performing asynchronous driving may be gradually shortened (or frequencies are gradually increased). Or, for example, a plurality of periods used for a scan (e.g., the second scan) within the activation mode performing asynchronous driving may be gradually shortened (or frequencies are gradually increased) and then gradually lengthened again (or frequencies are gradually decreased).

[0286] In the driving examples of FIGS. 3 through 6, the length of the cycle (e.g., length (370), length (380)) during which touch data is transmitted from the touch processing circuit (240) to at least one processor (210) is illustrated as being changed within an activation mode that performs asynchronous driving and an activation mode that performs synchronized driving, but the present disclosure is not limited thereto. For example, the length of the cycle during which touch data is transmitted from the touch processing circuit (240) to at least one processor (210) may be fixed (or maintained) within an activation mode that performs asynchronous driving and an activation mode that performs synchronized driving.

[0287] In the driving examples of FIGS. 3 to 6, the length of the window interval used within the activation mode performing asynchronous driving and the activation mode performing synchronized driving is depicted as being the same, but the present disclosure is not limited thereto. For example, when the touch processing circuit (240) changes from an asynchronous idle mode to an activation mode performing asynchronous driving, it can perform detection of a vertical synchronization signal through a window interval having a relatively long length. Subsequently, the touch processing circuit (240) can perform synchronized driving within the activation mode based on detecting the vertical synchronization signal within the window interval having a relatively long length. For example, within the activation mode performing synchronized driving, the touch processing circuit (240) can perform detection of a vertical synchronization signal using a window interval having a relatively short length. As described above, by using a window interval having a relatively long length within the activation mode performing asynchronous driving, the time length of the activation mode performing asynchronous driving can be shortened. As an example that is not limited, a window interval having a relatively long length is used, so the length of the time of the activation mode performing the asynchronous operation can be determined to be a length corresponding to one or two sensing frames.

[0288] In the driving examples of FIGS. 3 through 6, the period during which the vertical synchronization signal is transmitted (or received) is fixed (or maintained) to a specific period (e.g., a period based on 120 Hz), but the present disclosure is not limited thereto. For example, an electronic device (200) (or a display driving circuit (250)) can perform synchronization between a touch-sensitive display (220) (or a touch processing circuit (240)) and a display driving circuit (250) by changing the period of the vertical synchronization signal. In this case, the period during which touch data transmitted from the touch processing circuit (240) to the display driving circuit (250) is transmitted (e.g., a period having a length (370)) can be fixed (or maintained).

[0289] FIG. 7 is a block diagram of an electronic device in a network environment according to various embodiments.

[0290] Referring to FIG. 7, in a network environment (700), an electronic device (701) may communicate with an electronic device (702) through a first network (798) (e.g., a short-range wireless communication network) or with at least one of an electronic device (704) or a server (708) through a second network (799) (e.g., a long-range wireless communication network). According to one embodiment, the electronic device (701) may communicate with the electronic device (704) through a server (708). According to one embodiment, the electronic device (701) may include a processor (720), memory (730), input module (750), sound output module (755), display module (760), audio module (770), sensor module (776), interface (777), connection terminal (778), haptic module (779), camera module (780), power management module (788), battery (789), communication module (790), subscriber identification module (796), or antenna module (797). In some embodiments, at least one of these components (e.g., connection terminal (778)) may be omitted from the electronic device (701), or one or more other components may be added. In some embodiments, some of these components (e.g., sensor module (776), camera module (780), or antenna module (797)) may be integrated into a single component (e.g., display module (760)).

[0291] The processor (720) can control at least one other component (e.g., a hardware or software component) of the electronic device (701) connected to the processor (720) by executing software (e.g., a program (740)), for example, and can perform various data processing or operations. According to one embodiment, as at least part of the data processing or operations, the processor (720) can store commands or data received from other components (e.g., a sensor module (776) or a communication module (790)) in volatile memory (732), process the commands or data stored in volatile memory (732), and store the resulting data in non-volatile memory (734). According to one embodiment, the processor (720) may include a main processor (721) (e.g., a central processing unit or an application processor) or an auxiliary processor (723) that can operate independently or together with it (e.g., a graphics processing unit, a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, if the electronic device (701) includes a main processor (721) and an auxiliary processor (723), the auxiliary processor (723) may be configured to use less power than the main processor (721) or to be specialized for a designated function. The auxiliary processor (723) may be implemented separately from the main processor (721) or as part thereof.

[0292] The auxiliary processor (723) may control at least some of the functions or states associated with at least one component of the electronic device (701) (e.g., display module (760), sensor module (776), or communication module (790)) on behalf of the main processor (721) while the main processor (721) is in an inactive (e.g., sleep) state, or together with the main processor (721) while the main processor (721) is in an active (e.g., application execution) state. According to one embodiment, the auxiliary processor (723) (e.g., image signal processor or communication processor) may be implemented as part of another functionally related component (e.g., camera module (780) or communication module (790)). According to one embodiment, the auxiliary processor (723) (e.g., neural network processing unit) may include a hardware structure specialized for processing an artificial intelligence model. The artificial intelligence model may be generated through machine learning. Such learning may be performed, for example, on the electronic device (701) itself where the artificial intelligence model is executed, or through a separate server (e.g., server (708)). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but is not limited to the examples described above. The artificial intelligence model may include a plurality of artificial neural network layers.An artificial neural network may be a deep neural network (DNN), a convolutional neural network (CNN), a recurrent neural network (RNN), a restricted Boltzmann machine (RBM), a deep belief network (DBN), a bidirectional recurrent deep neural network (BRDNN), a deep Q-network, or a combination of two or more of the above, but is not limited to the examples described above. In addition to the hardware structure, the artificial intelligence model may include a software structure, either additionally or substantially.

[0293] The memory (730) can store various data used by at least one component of the electronic device (701) (e.g., processor (720) or sensor module (776)). The data may include, for example, software (e.g., program (740)) and input or output data for related commands. The memory (730) may include volatile memory (732) or non-volatile memory (734).

[0294] The program (740) may be stored as software in memory (730) and may include, for example, an operating system (742), middleware (744), or an application (746).

[0295] The input module (750) can receive commands or data to be used for a component of the electronic device (701) (e.g., processor (720)) from outside the electronic device (701) (e.g., user). The input module (750) may include, for example, a microphone, a mouse, a keyboard, a key (e.g., a button), or a digital pen (e.g., a stylus pen).

[0296] The sound output module (755) can output a sound signal to the outside of the electronic device (701). The sound output module (755) may include, for example, a speaker or a receiver. The speaker may be used for general purposes, such as multimedia playback or recording playback. The receiver may be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from the speaker or as part thereof.

[0297] The display module (760) can visually provide information to an external (e.g., user) of the electronic device (701). The display module (760) may include, for example, a display, a holographic device, or a projector and a control circuit for controlling said device. According to one embodiment, the display module (760) may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of the force generated by said touch.

[0298] The audio module (770) can convert sound into an electrical signal or, conversely, convert an electrical signal into sound. According to one embodiment, the audio module (770) can acquire sound through the input module (750) or output sound through the sound output module (755) or an external electronic device (e.g., electronic device (702)) (e.g., speaker or headphones) connected directly or wirelessly to the electronic device (701).

[0299] The sensor module (776) can detect the operating state of the electronic device (701) (e.g., power or temperature) or the external environmental state (e.g., user state) and generate an electrical signal or data value corresponding to the detected state. According to one embodiment, the sensor module (776) may include, for example, a gesture sensor, a gyroscope sensor, a barometric pressure sensor, a magnetic sensor, an accelerometer sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biosensor, a temperature sensor, a humidity sensor, or an illuminance sensor.

[0300] The interface (777) may support one or more specified protocols that can be used for the electronic device (701) to be connected directly or wirelessly to an external electronic device (e.g., electronic device (702)). According to one embodiment, the interface (777) may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

[0301] The connection terminal (778) may include a connector through which the electronic device (701) can be physically connected to an external electronic device (e.g., electronic device (702)). According to one embodiment, the connection terminal (778) may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (e.g., a headphone connector).

[0302] The haptic module (779) can convert an electrical signal into a mechanical stimulus (e.g., vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic senses. According to one embodiment, the haptic module (779) may include, for example, a motor, a piezoelectric element, or an electric stimulation device.

[0303] The camera module (780) can capture still images and video. According to one embodiment, the camera module (780) may include one or more lenses, image sensors, image signal processors, or flashes.

[0304] The power management module (788) can manage power supplied to the electronic device (701). According to one embodiment, the power management module (788) can be implemented, for example, as at least part of a power management integrated circuit (PMIC).

[0305] The battery (789) can supply power to at least one component of the electronic device (701). According to one embodiment, the battery (789) may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.

[0306] The communication module (790) can support the establishment of a direct (e.g., wired) communication channel or a wireless communication channel between an electronic device (701) and an external electronic device (e.g., electronic device (702), electronic device (704), or server (708)), and the performance of communication through the established communication channel. The communication module (790) may include one or more communication processors that operate independently of the processor (720) (e.g., application processor) and support direct (e.g., wired) communication or wireless communication. According to one embodiment, the communication module (790) may include a wireless communication module (792) (e.g., cellular communication module, short-range wireless communication module, or GNSS (global navigation satellite system) communication module) or a wired communication module (794) (e.g., LAN (local area network) communication module, or power line communication module). The corresponding communication module among these communication modules can communicate with an external electronic device (704) through a first network (798) (e.g., a short-range communication network such as Bluetooth, WiFi (wireless fidelity) direct, or IrDA (infrared data association)) or a second network (799) (e.g., a legacy cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., a LAN or WAN)). These various types of communication modules may be integrated into a single component (e.g., a single chip) or implemented as multiple separate components (e.g., multiple chips). The wireless communication module (792) can identify or authenticate the electronic device (701) within a communication network such as the first network (798) or the second network (799) using subscriber information (e.g., International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module (796).

[0307] The wireless communication module (792) can support 5G networks and next-generation communication technologies following 4G networks, for example, new radio access technology. NR access technology can support high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and connection of multiple terminals (massive machine type communications (mMTC)), or high reliability and low latency (ultra-reliable and low-latency communications (URLLC)). The wireless communication module (792) can support a high-frequency band (e.g., mmWave band) to achieve a high data transmission rate, for example. The wireless communication module (792) can support various technologies for securing performance in the high-frequency band, such as beamforming, massive MIMO (multiple-input and multiple-output), full dimensional MIMO (FD-MIMO), array antenna, analog beam-forming, or large-scale antenna. The wireless communication module (792) can support various requirements specified in the electronic device (701), external electronic device (e.g., electronic device (704)), or network system (e.g., second network (799)). According to one embodiment, the wireless communication module (792) may support a Peak data rate (e.g., 20 Gbps or more) for eMBB realization, loss coverage (e.g., 164 dB or less) for mMTC realization, or U-plane latency (e.g., downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) for URLLC realization.

[0308] An antenna module (797) can transmit a signal or power to or from an external source (e.g., an external electronic device). According to one embodiment, the antenna module (797) may include an antenna comprising a radiator made of a conductor or a conductive pattern formed on a substrate (e.g., a PCB). According to one embodiment, the antenna module (797) may include a plurality of antennas (e.g., an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network, such as a first network (798) or a second network (799), may be selected from the plurality of antennas, for example, by a communication module (790). A signal or power may be transmitted or received between the communication module (790) and an external electronic device through the selected at least one antenna. According to some embodiments, in addition to the radiator, other components (e.g., a radio frequency integrated circuit (RFIC)) may be additionally formed as part of the antenna module (797).

[0309] According to various embodiments, the antenna module (797) may form a mmWave antenna module. According to one embodiment, the mmWave antenna module may include a printed circuit board, an RFIC disposed on or adjacent to a first surface (e.g., bottom surface) of the printed circuit board and capable of supporting a specified high frequency band (e.g., mmWave band), and a plurality of antennas (e.g., array antennas) disposed on or adjacent to a second surface (e.g., top surface or side surface) of the printed circuit board and capable of transmitting or receiving a signal of the specified high frequency band.

[0310] At least some of the above components can be connected to each other via a communication method between peripheral devices (e.g., bus, GPIO (general purpose input and output), SPI (serial peripheral interface), or MIPI (mobile industry processor interface)) and exchange signals (e.g., commands or data) with each other.

[0311] According to one embodiment, commands or data may be transmitted or received between the electronic device (701) and an external electronic device (704) through a server (708) connected to a second network (799). Each of the external electronic devices (702, or 704) may be the same or a different type of device as the electronic device (701). According to one embodiment, all or part of the operations performed on the electronic device (701) may be performed on one or more of the external electronic devices (702, 704, or 708). For example, if the electronic device (701) needs to perform a function or service automatically or in response to a request from a user or another device, the electronic device (701) may request one or more external electronic devices to perform at least part of the function or service instead of performing the function or service itself or additionally. One or more external electronic devices that receive the above request may execute at least part of the requested function or service, or additional function or service related to the request, and transmit the result of the execution to the electronic device (701). The electronic device (701) may provide the result as is or additionally processed as at least part of the response to the request. For this purpose, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used. The electronic device (701) may provide ultra-low latency services using, for example, distributed computing or mobile edge computing. In one embodiment, the external electronic device (704) may include an Internet of Things (IoT) device. The server (708) may be an intelligent server using machine learning and / or neural networks. According to one embodiment, the external electronic device (704) or the server (708) may be included within the second network (799).The electronic device (701) can be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

[0312] FIG. 8 is a block diagram of a display module according to various embodiments.

[0313] Referring to FIG. 8, the display module (760) may include a display panel (or display) (810) and a display driver IC (DDI) (830) for controlling it. The DDI (830) may include an interface module (831), a memory (833) (e.g., a buffer memory), an image processing module (835), or a mapping module (837). The DDI (830) may receive image information, for example, image data or an image control signal corresponding to a command for controlling the image data, from another component of the electronic device (701) through the interface module (831). For example, according to one embodiment, image information may be received from a processor (720) (e.g., main processor (721) (e.g., application processor)) or an auxiliary processor (723) (e.g., graphics processing unit) that operates independently of the functions of the main processor (721). The DDI (830) may communicate with the touch circuit (850) or sensor module (776), etc., through the interface module (831). Additionally, the DDI (830) may store at least a portion of the received image information in memory (833), for example, in frame units. The image processing module (835) may perform preprocessing or postprocessing (e.g., resolution, brightness, or size adjustment) on at least a portion of the image data, for example, based at least on the characteristics of the image data or the characteristics of the display panel (810). The mapping module (837) may generate voltage values ​​or current values ​​corresponding to the image data preprocessed or postprocessed through the image processing module (835). According to one embodiment, voltage values ​​or The generation of current values ​​can be performed, for example, based on at least some of the properties of the pixels of the display panel (810) (e.g., array of pixels (RGB stripe or pentile structure), or size of each subpixel).At least some pixels of the display panel (810) are driven, for example, based on at least some of the voltage value or current value, so that visual information (e.g., text, image, or icon) corresponding to the image data can be displayed through the display panel (810).

[0314] According to one embodiment, the display module (760) may further include a touch circuit (850). The touch circuit (850) may include a touch sensor (851) and a touch sensor IC (853) for controlling the same. The touch sensor IC (853) may control the touch sensor (851) to detect a touch input or hovering input for a specific location on the display panel (810), for example. For example, the touch sensor IC (853) may detect a touch input or hovering input by measuring a change in a signal (e.g., voltage, light intensity, resistance, or charge) for a specific location on the display panel (810). The touch sensor IC (853) may provide information regarding the detected touch input or hovering input (e.g., location, area, pressure, or time) to the processor (720). According to one embodiment, at least a part of the touch circuit (850) (e.g., touch sensor IC (853)) may be included as part of the display driver IC (830) or the display panel (810), or as part of another component (e.g., auxiliary processor (723)) placed outside the display module (760).

[0315] According to one embodiment, the display module (760) may further include at least one sensor of the sensor module (776) (e.g., fingerprint sensor, iris sensor, pressure sensor, or light sensor) or a control circuit for the same. In this case, the at least one sensor or the control circuit for the same may be embedded in a part of the display module (760) (e.g., display panel (810) or DDI (830)) or a part of the touch circuit (850). For example, if the sensor module (776) embedded in the display module (760) includes a biometric sensor (e.g., fingerprint sensor), the biometric sensor may obtain biometric information (e.g., fingerprint image) associated with a touch input through a part of the display panel (810). As another example, if the sensor module (776) embedded in the display module (760) includes a pressure sensor, the pressure sensor may obtain pressure information associated with a touch input through a part or the entire area of ​​the display panel (810). According to one embodiment, a touch sensor (851) or a sensor module (776) may be placed between pixels of a pixel layer of a display panel (810), or on top of or below the pixel layer.

[0316] The technical problems to be solved in this disclosure are not limited to those mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art to which this disclosure pertains.

[0317] As described above, the electronic device (200) may include at least one processor (210) including a processing circuit. The electronic device (200) may include a display driving circuit (250). The electronic device (200) may include a touch-sensitive display (220) including a touch sensor (230) and a touch processing circuit (240). The touch processing circuit (240) may be configured to perform a first scan to detect a touch contact on the touch-sensitive display (220) according to a first period using the touch sensor (230), based on refraining from detecting a vertical synchronization signal transmitted from the display driving circuit (250) while the touch-sensitive display (220) is in an idle mode. The touch processing circuit (240) may be configured to switch the mode of the touch-sensitive display (220) from the idle mode to an active mode in response to the detection of the touch contact. The touch processing circuit (240) may be configured to perform a second scan to transmit touch data to the at least one processor (210) according to a second period different from the first period, based on performing detection of a vertical synchronization signal transmitted from the display driving circuit (250) in response to a transition to the activation mode while the touch-sensitive display (220) is in the activation mode. The touch processing circuit (240) may be configured to perform a third scan to transmit touch data to the at least one processor (210) according to the first period defined from the detected vertical synchronization signal, based on performing detection of the vertical synchronization signal while the touch-sensitive display (220) is in the activation mode.

[0318] According to one embodiment, the length of the second period may be shorter than the length of the first period.

[0319] According to one embodiment, the touch processing circuit (240) may be configured to detect a vertical synchronization signal transmitted from the display driving circuit (250) during a window period for detecting a vertical synchronization signal within each of at least one first time interval immediately following the switching to the activation mode in response to the switching to the activation mode. The touch processing circuit (240) may be configured to detect a vertical synchronization signal transmitted from the display driving circuit (250) during the window period within each of at least one second time interval following the at least one first time interval in response to the detection of the vertical synchronization signal.

[0320] According to one embodiment, the length of each of the at least one first time interval may correspond to the length of the second period. The length of each of the at least one second time interval may correspond to the length of the first period.

[0321] According to one embodiment, the at least one first time interval may include at least one third time interval and a fourth time interval which is the last time interval among the at least one first time intervals. The length of each of the at least one third time interval may correspond to the length of the second period. The length of the fourth time interval may be shorter than the length of the second period.

[0322] According to one embodiment, the touch processing circuit (240) may be configured to perform the second scan for transmitting touch data to the at least one processor (210) according to the second period during the scan interval within each of the at least one first time interval. The touch processing circuit (240) may be configured to perform the third scan for transmitting touch data to the at least one processor (210) according to the first period during the scan interval within each of the at least one second time interval.

[0323] According to one embodiment, the start time of the window interval within each of the at least one first time interval may be defined from the end time of each of the at least one first time interval. The start time of the window interval within each of the at least one second time interval may be defined from the end time of each of the at least one second time interval.

[0324] According to one embodiment, the touch processing circuit (240) may be configured to transmit first touch data obtained by performing the second scan according to the second period within each of the at least one first time interval to the at least one processor (210). The touch processing circuit (240) may be configured to transmit second touch data obtained by performing the third scan according to the first period within each of the at least one second time interval to the at least one processor (210).

[0325] According to one embodiment, the time at which the first touch data is transmitted may be defined as a time after a reference time from the end time of the scan section of the second scan within each of the at least one first time interval. The time at which the second touch data is transmitted may be defined as a time after the reference time from the end time of the scan section of the third scan within each of the at least one second time interval.

[0326] According to one embodiment, the touch processing circuit (240) may be configured to perform the third scan according to the first period by receiving a vertical synchronization signal transmitted from the display driving circuit (250) within at least a portion of the window section of the last time interval of the at least one first time interval, based on the detection performed during the window section within each of the at least one first time intervals.

[0327] According to one embodiment, a vertical synchronization signal transmitted from the display driving circuit (250) can be transmitted from the display driving circuit (250) to the touch processing circuit (240) according to a specific period.

[0328] According to one embodiment, the specific period of the vertical synchronization signal can be adjusted.

[0329] According to one embodiment, the length of the second period may be longer than the length of the first period.

[0330] According to one embodiment, the touch processing circuit (240) may be configured to receive a command from the at least one processor (210) indicating a mode for low power consumption of the electronic device (200). The touch processing circuit (240) may be configured to perform the first scan according to the first period, perform the second scan according to the second period which is longer than the first period, and perform the third scan according to the first period, based on receiving the command.

[0331] According to one embodiment, the touch processing circuit (240) may be configured to perform the second scan according to the second period before the detection of the vertical synchronization signal, and then further perform a fourth scan to transmit touch data to the at least one processor (210) according to a third period different from the second period. The touch processing circuit (240) may be configured to perform the fourth scan according to the third period before the detection of the vertical synchronization signal, and then further perform a fifth scan to transmit touch data to the at least one processor (210) according to a fourth period different from the third period.

[0332] According to one embodiment, the period for the second scan, the fourth scan, and the fifth scan performed between the transition to the activation mode and the detection of the vertical synchronization signal can be gradually adjusted from the second period to the fourth period.

[0333] According to one embodiment, the first scan may include one of a self scan for measuring self-capacitance and a mutual scan for measuring mutual capacitance. Each of the second scan and the third scan may include the self scan and the mutual scan.

[0334] According to one embodiment, the length of the scan section for the first scan may be shorter than the length of the scan section for the second scan and the length of the scan section for the third scan, respectively.

[0335] According to one embodiment, the length of time between the transition to the activation mode and the detection of the vertical synchronization signal may be determined based on the length between the time when the vertical synchronization signal is received from the display driving circuit (250) while in the idle mode and the time when the first scan is first performed, the length of the second cycle, and the length of the window interval for detecting the vertical synchronization signal.

[0336] As described above, the electronic device (200) may include at least one processor (210) including a processing circuit. The electronic device (200) may include a display driving circuit (250). The electronic device (200) may include a touch-sensitive display (220) including a touch sensor (230) and a touch processing circuit (240). The touch processing circuit (240) may be configured to perform a first scan using the touch sensor (230) to detect a touch contact on the touch-sensitive display (220) according to a first period that is asynchronous with respect to a vertical synchronization signal transmitted from the display driving circuit (250) while the touch-sensitive display (220) is in an idle mode. The touch processing circuit (240) may be configured to switch the mode of the touch-sensitive display (220) from the idle mode to an active mode in response to the detection of the touch contact. The touch processing circuit (240) may be configured to be asynchronous with respect to the vertical synchronization signal transmitted from the display driving circuit (250) in response to the switching to the activation mode, and to perform detection of the vertical synchronization signal transmitted from the display driving circuit (250) according to a second period different from the first period. The touch processing circuit (240) may be configured to be asynchronous with respect to the vertical synchronization signal transmitted from the display driving circuit (250) in response to the switching to the activation mode, and to perform a second scan for transmitting touch data to the at least one processor (210) using the touch sensor (230) according to a second period different from the first period.The touch processing circuit (240) may be configured to perform a third scan for transmitting touch data to the at least one processor (210) using the touch sensor (230) according to the first cycle synchronized with the vertical synchronization signal transmitted from the display driving circuit (250) in response to the detection of the vertical synchronization signal.

[0337] The effects obtainable from the present disclosure are not limited to those mentioned above, and other unmentioned effects will be clearly understood by those skilled in the art to which the present disclosure belongs from the description below.

[0338] The electronic device according to the various embodiments disclosed in this document may be of various forms. The electronic device may include, for example, a portable communication device (e.g., a smartphone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a consumer electronics device. The electronic device according to the embodiments of this document is not limited to the devices described above.

[0339] The various embodiments of this document and the terms used therein are not intended to limit the technical features described in this document to specific embodiments, and should be understood to include various modifications, equivalents, or substitutions of said embodiments. In connection with the description of the drawings, similar reference numerals may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of said items unless the relevant context clearly indicates otherwise. In this document, phrases such as "A or B," "at least one of A and B," "at least one of A or B," "A, B or C," "at least one of A, B and C," and "at least one of A, B, or C" may each include any one of the items listed together in the corresponding phrase, or all possible combinations thereof. Terms such as "first," "second," or "first" or "second" may be used simply to distinguish said components from other said components and do not limit said components in any other aspect (e.g., importance or order). Where any (e.g., 1st) component is referred to as "coupled" or "connected" to another (e.g., 2nd) component, with or without the terms "functionally" or "communicationly," it means that said any component may be connected to said other component directly (e.g., via a wire), wirelessly, or through a third component.

[0340] The term “module” as used in the various embodiments of this document may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit, for example. A module may be a component formed integrally, or a minimum unit of said component or a part thereof that performs one or more functions. For example, according to one embodiment, a module may be implemented in the form of an application-specific integrated circuit (ASIC).

[0341] Various embodiments of the present document may be implemented as software (e.g., program (740)) comprising one or more instructions stored in a storage medium (e.g., internal memory (736) or external memory (738)) readable by a machine (e.g., electronic device (701)). For example, a processor (e.g., processor (720)) of the machine (e.g., electronic device (701)) may call at least one of the one or more instructions stored in the storage medium and execute it. This enables the machine to be operated to perform at least one function according to the at least one called instruction. The one or more instructions may include code generated by a compiler or code that can be executed by an interpreter. The storage medium readable by the machine may be provided in the form of a non-transitory storage medium. Here, 'non-temporary' simply means that the storage medium is a tangible device and does not contain a signal (e.g., electromagnetic waves), and the term does not distinguish between cases where data is stored semi-permanently and cases where it is stored temporarily.

[0342] According to one embodiment, the method according to the various embodiments disclosed herein may be provided by being included in a computer program product. The computer program product may be traded between a seller and a buyer as a product. The computer program product may be distributed in the form of a device-readable storage medium (e.g., compact disc read-only memory (CD-ROM)), or distributed online (e.g., download or upload) through an application store (e.g., Play Store™) or directly between two user devices (e.g., smartphones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily created on a device-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.

[0343] According to various embodiments, each component (e.g., module or program) of the components described above may include a singular or multiple entities, and some of the multiple entities may be separated and placed in other components. According to various embodiments, one or more of the components or operations of the aforementioned components may be omitted, or one or more other components or operations may be added. Generally or additionally, multiple components (e.g., module or program) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each of the multiple components in the same or similar manner as those performed by the corresponding component among the multiple components prior to integration. According to various embodiments, operations performed by the module, program, or other components may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or one or more other operations may be added.

Claims

1. In an electronic device, At least one processor including a processing circuit; Display driving circuit; and A touch-sensitive display including a touch sensor and a touch processing circuit, and The above touch processing circuit is: Based on refraining from detecting a vertical synchronization signal transmitted from the display driving circuit while the touch-sensitive display is in an idle mode, a first scan is performed to detect a touch contact on the touch-sensitive display according to a first period using the touch sensor; In response to the detection of the touch contact, the mode of the touch-sensitive display is switched from the idle mode to the active mode; While the touch-sensitive display is in the activation mode: Based on detecting a vertical synchronization signal transmitted from the display driving circuit in response to the switching to the above activation mode, a second scan is performed using the touch sensor to transmit touch data to the at least one processor according to a second period different from the first period; and A third scan configured to transmit touch data to at least one processor according to the first period defined from the detected vertical synchronization signal, using the touch sensor in response to the detection of the vertical synchronization signal. Electronic device.

2. In Claim 1, The length of the second period is shorter than the length of the first period. Electronic device.

3. In Claim 1, The above touch processing circuit is: In response to the switching to the above-mentioned activation mode, detection of a vertical synchronization signal transmitted from the display driving circuit is performed during a window period for detecting a vertical synchronization signal within each of at least one first time interval immediately following the switching; and In response to the detection of the vertical synchronization signal, configured to perform detection of the vertical synchronization signal transmitted from the display driving circuit during the window interval within each of at least one second time interval following at least one first time interval. Electronic device.

4. In Claim 3, The length of each of the above at least one first time interval corresponds to the length of the above second period, and The length of each of the above at least one second time interval corresponds to the length of the above first period, Electronic device.

5. In Claim 3, The above at least one first time interval includes at least one third time interval and a fourth time interval which is the last time interval among the at least one first time intervals, and The length of each of the above at least one third time interval corresponds to the length of the above second period, and The length of the fourth time interval is shorter than the length of the second period. Electronic device.

6. In Claim 3, The above touch processing circuit is: Within each of the above at least one first time interval, during the scan interval, the second scan is performed to transmit touch data to the at least one processor according to the second period; and Configured to perform the third scan for transmitting touch data to the at least one processor according to the first period during the scan interval within each of the at least one second time intervals above. Electronic device.

7. In Claim 6, The start time of the window interval within each of the at least one first time interval is defined from the end time of each of the at least one first time interval, and The start time of the window interval within each of the at least one second time interval is defined from the end time of each of the at least one second time interval, Electronic device.

8. In Claim 3, The above touch processing circuit is: Transmitting first touch data obtained by performing the second scan according to the second period within each of the above at least one first time interval to the at least one processor; and Configured to transmit second touch data obtained by performing the third scan according to the first period within each of the above at least one second time interval to the at least one processor. Electronic device.

9. In Claim 8, The time at which the first touch data is transmitted is defined as a time after a reference time from the end time of the scan section of the second scan within each of the at least one first time interval, and The time at which the second touch data is transmitted is defined as the time after the reference time from the end time of the scan section of the third scan within each of the at least one second time interval. Electronic device.

10. In Claim 3, The above touch processing circuit is: Based on the detection performed during the window interval within each of the at least one first time intervals, the third scan is configured to be performed according to the first period by receiving a vertical synchronization signal transmitted from the display driving circuit within at least a portion of the window interval of the last time interval of the at least one first time interval. Electronic device.

11. In Claim 1, The vertical synchronization signal transmitted from the above display driving circuit is transmitted from the display driving circuit to the touch processing circuit according to a specific period, Electronic device.

12. In Claim 11, The specific period of the above vertical synchronization signal is adjusted, Electronic device.

13. In Claim 1, The length of the second period is longer than the length of the first period. Electronic device.

14. In Claim 13, The above touch processing circuit is: Receiving a command from at least one processor that indicates a mode for low power consumption of the electronic device; and Based on receiving the above command: Perform the first scan according to the first period above, and Perform the second scan according to the second period which is longer than the first period, and Configured to perform the third scan according to the first cycle, Electronic device.

15. In Claim 1, The above touch processing circuit is: Before detection of the above vertical synchronization signal: After performing the second scan according to the second cycle, further performing a fourth scan to transmit touch data to the at least one processor according to a third cycle different from the second cycle, and After performing the fourth scan according to the third cycle, configured to further perform a fifth scan for transmitting touch data to the at least one processor according to a fourth cycle different from the third cycle, Electronic device.

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