Electronic device and method for adjusting data voltage indicating grayscale level

By dynamically adjusting data voltages based on luminance, subpixels, and image update states, the solution addresses the issue of indistinguishable grayscale levels and dragging effects in display technologies, resulting in improved image quality and user experience.

WO2026079634A1PCT designated stage Publication Date: 2026-04-16SAMSUNG ELECTRONICS CO LTD
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Patent Information

Application Number
PCT/KR2025/012319
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-01
Filing Date
2025-08-13
Publication Date
2026-04-16

AI Technical Summary

Technical Problem

Existing display technologies face challenges in accurately distinguishing between grayscale levels and preventing dragging effects due to the use of a fixed data voltage for representing black color, which is not adjusted based on luminance, subpixels, or update states of the image.

Method used

The proposed solution involves adjusting the data voltage representing grayscale levels based on the luminance, subpixels, and update states of the image, using a display driving IC to provide different data voltages for different grayscale levels and update cycles.

Benefits of technology

This approach enhances the visibility and image quality by allowing better distinction between grayscale levels and eliminating dragging effects, thereby improving user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

This electronic device may comprise at least one processor including a processing circuit. The electronic device may include a display panel. The electronic device may comprise a display driving IC including a source driver circuit. The display driver IC may be configured to provide a first data voltage to the display panel as a data voltage for indicating a grayscale level via the source driver circuit while image reception from the at least one processor is performed according to a first period. The display driver IC may be configured to provide, to the display panel, a second data voltage lower than the first data voltage as the data voltage for indicating the grayscale level via the source driver circuit while the image reception from the at least one processor is performed according to a second period shorter than the first period.
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Description

Electronic device and method for adjusting data voltage representing a grayscale level

[0001] The following descriptions relate to an electronic device and method for adjusting a data voltage representing a grayscale level.

[0002] A display may be used to display an image. The display may include a display panel and a display driving circuit. The display driving circuit may be configured to display the image obtained from the processor of the electronic device on the display panel. For example, the display driving circuit may be configured to control a source driver (or data driver) of the electronic device and a gate driver (or scan driver) of the electronic device to display the image on the display panel.

[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. An electronic device may include a display panel. An electronic device may include a display driving IC including a source driver circuit. The display driving IC may be configured to provide a first data voltage to the display panel through the source driver circuit as a data voltage for representing a grayscale level while image reception from the at least one processor is performed according to a first cycle. The display driving IC may be configured to provide a second data voltage lower than the first data voltage to the display panel through the source driver circuit as a data voltage for representing the grayscale level while image reception from the at least one processor is performed according to a second cycle shorter than the first cycle.

[0005] A method performed by an electronic device having at least one processor including a processing circuit, a display panel, and a display driving IC including a source driver circuit may include, while image reception from the at least one processor is performed according to a first cycle, the display driving IC providing a first data voltage to the display panel through the source driver circuit as a data voltage for representing a grayscale level. The method may include, while image reception from the at least one processor is performed according to a second cycle shorter than the first cycle, the display driving IC providing a second data voltage lower than the first data voltage to the display panel through the source driver circuit as a data voltage for representing the grayscale level.

[0006] FIG. 1a illustrates an example of a method for providing a data voltage representing a grayscale level to a display panel through a source driver.

[0007] FIG. 1b illustrates examples of grayscale levels displayed by using a fixed data voltage representing a grayscale level of black color.

[0008] FIG. 1c illustrates an example of a dragging effect visible in an image that is updated according to scroll input on the screen.

[0009] Figure 2 is a schematic view of an exemplary electronic device.

[0010] Figure 3 illustrates an example of a subpixel within a display panel.

[0011] Figure 4a illustrates examples of image update states.

[0012] FIG. 4b illustrates an example of a method for adjusting a data voltage representing a grayscale level according to the update state of an image.

[0013] FIG. 5a illustrates an example of a method for adjusting a data voltage representing a grayscale level according to the brightness of a display panel.

[0014] FIG. 5b illustrates examples of data voltages representing grayscale levels according to luminance.

[0015] Figure 6 illustrates an example of a method for adjusting data voltages representing grayscale levels according to subpixels.

[0016] Figure 7a illustrates an example of a graph showing the relationship between gate voltage, source voltage, and current as a function of temperature.

[0017] Figure 7b illustrates an example of a method for adjusting a data voltage representing a grayscale level according to temperature.

[0018] FIGS. 8A and FIGS. 8B illustrate examples of methods for adjusting data voltages representing grayscale levels according to conditions.

[0019] FIG. 9 illustrates an example of an operation flow for a method in which an electronic device adjusts a data voltage representing a grayscale level according to the update state of an image.

[0020] FIG. 10a illustrates examples of grayscale levels displayed as the data voltage representing the grayscale level is adjusted.

[0021] FIG. 10b illustrates an example of a drag effect that is removed as the data voltage representing the grayscale level is adjusted.

[0022] FIG. 11 is a block diagram of an electronic device in a network environment according to various embodiments.

[0023] FIG. 12 is a block diagram of a display module according to various embodiments.

[0024] FIG. 13 illustrates an example of an exemplary rollable electronic device.

[0025] FIGS. 14a and FIGS. 14b illustrate examples of exemplary foldable electronic devices.

[0026] FIG. 15 illustrates an example of an exemplary multi-foldable electronic device.

[0027] 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.

[0028] In the various embodiments of the present disclosure described below, a hardware-based approach is described as an example. However, since the various embodiments of the present disclosure include techniques using both hardware and software, the various embodiments of the present disclosure do not exclude a software-based approach.

[0029] Additionally, in this disclosure, expressions of "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 of "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." Furthermore, "A" to "B" below refer to at least one of the elements from A (including A) to B (including B).

[0030] FIG. 1a illustrates an example of a method for providing a data voltage representing a grayscale level to a display panel through a source driver.

[0031] The electronic device (101) according to the present disclosure may include a source driver circuit (130) and a display panel (160). For example, the display panel (160) may include at least a part of the display module (1160) of FIG. 11 or correspond to at least a part of the display module (1160) of FIG. 11.

[0032] As a non-limiting example, the source driver circuit (130) may be included within the display driver IC (integrated circuitry) of the electronic device (101) (e.g., the display driver IC (220) of FIG. 2). For example, the display driver IC may provide a data voltage (135) to the display panel (160) through the source driver circuit (130) for an image to be displayed through the display panel (160).

[0033] For example, the data voltage (135) can be provided to each of the pixels (or subpixels of each of the pixels) of the display panel (160).

[0034] For example, the data voltage (135) may be a voltage representing a grayscale level. For example, the data voltage (135) may be used to represent the grayscale level of a portion of the image. For example, the portion of the image may be represented through pixels (or subpixels of each of the pixels) to which the data voltage (135) is provided. For example, the grayscale level may be included in a grayscale range (e.g., 0 to 255). For example, the voltage level of the data voltage (135) may change according to the grayscale level within the grayscale range. For example, to represent a first grayscale level (e.g., 0) within the grayscale range, the voltage level of the data voltage (135) may be a first voltage level (V0). Or, to represent a second grayscale level (e.g., 255) within the grayscale range, the voltage level of the data voltage (135) may be a second voltage level (V255). In the above example, the first grayscale level may include a grayscale level corresponding to a black color. Hereinafter, in the present disclosure, the first grayscale level (or the grayscale level corresponding to a black color) may be referenced as a reference grayscale level, and the data voltage (135) representing the grayscale level corresponding to the black color may be referenced as a black data voltage. As a non-limiting example, the data voltage representing the first grayscale level may be a voltage that causes the brightness of the display panel (160) to be about 0 nit when displaying an image having a black color on the display panel (160). In the above example, the second grayscale level may include a grayscale level corresponding to a white color.

[0035] As a non-limiting example, the source driver circuit (130) may generate a data voltage (135) based on a first base voltage (131) and a second base voltage (132). For example, the first base voltage (131) may be the maximum voltage of the data voltage (135) as a base voltage used to generate the data voltage (135). For example, the first base voltage (131) may be referred to as VREG. As a non-limiting example, the first base voltage (131) may be about 6.3V. For example, the second base voltage (132) may be the minimum voltage of the data voltage (135) as a base voltage used to generate the data voltage (135). For example, the second base voltage (132) may be referred to as VREF. As a non-limiting example, the second base voltage (132) may be about 0.2V.

[0036] For example, the electronic device (101) can display an image by providing a generated data voltage (135) to a display panel (160) through a source driver circuit (130). For the data voltage (135) for the expression of a grayscale, the example (140) may be referenced.

[0037] Example (140) may include a range (141) of data voltage (135) when the brightness set on the display panel (160) is a first brightness, a range (142) of data voltage (135) when the brightness set on the display panel (160) is a second brightness, and a range (143) of data voltage (135) when the brightness set on the display panel (160) is a third brightness. For example, the first brightness may be higher than the second brightness and the third brightness. For example, the first brightness may be the brightness when the mode of the display panel (160) (or electronic device (101)) is HBM (high brightness mode). For example, the second brightness may be higher than the third brightness. For example, the second brightness may be the maximum brightness in a normal mode different from the HBM mode. For example, the third brightness may be the minimum brightness in the normal mode. For convenience of explanation, each of the ranges (141), (142), and (142) of FIG. 1a may represent an example of a range of data voltages applied to a first subpixel for a first color (e.g., green (G)) among the subpixels of the display panel (160). However, the present disclosure is not limited thereto.

[0038] When the brightness is the first brightness, the range (141) may be defined by a data voltage (141a) for representing the first grayscale level and a data voltage (141b) for representing the second grayscale level. For example, the data voltages of the range (141) may have values ​​between the data voltage (141a) and the data voltage (141b).

[0039] When the above brightness is the second brightness, the range (142) may be defined by a data voltage (142a) for representing the first grayscale level and a data voltage (142b) for representing the second grayscale level. For example, the data voltages of the range (142) may have values ​​between the data voltage (142a) and the data voltage (142b). For example, the data voltage (142a) of the range (142) may be the same as the data voltage (141a) of the range (141). For example, the data voltage (142b) of the range (142) may be lower than the data voltage (141b) of the range (141).

[0040] When the above brightness is the third brightness, the range (143) may be defined by a data voltage (143a) for representing the first grayscale level and a data voltage (143b) for representing the second grayscale level. For example, the data voltages of the range (143) may have values ​​between the data voltage (143a) and the data voltage (143b). For example, the data voltage (143a) of the range (143) may be the same as the data voltage (142a) of the range (142) (and the data voltage (141a) of the range (141). For example, the data voltage (143b) of the range (143) may be lower than the data voltage (142b) of the range (142).

[0041] Referring to the above description, the data voltages (e.g., data voltage (141a), data voltage (142a), and data voltage (143a)) used to represent the first grayscale level for the same subpixel (e.g., the first subpixel) can be set identically regardless of luminance. In order to represent the first grayscale level more accurately (or stably), the data voltages can be set identically regardless of luminance. At this time, the voltage level of the data voltages set identically regardless of luminance can be set excessively higher than the voltage required to represent the first grayscale level.

[0042] Additionally, the voltage level of the data voltage for representing the first grayscale level may be set identically for all subpixels of the display panel (160) as well as for the luminance. In the example of range (141), the data voltage (141a) for representing the first grayscale level may be identical for each of the subpixels of the display panel (160). Alternatively, the data voltage (141b) for representing the second grayscale level may be different for each of the subpixels of the display panel (160).

[0043] Regarding the range (141) in which the brightness is the first brightness, the data voltage applied to the subpixels of the display panel (160) may be referenced as an example (150). In FIG. 1a, an example (150) for the range (141) is shown, but the present disclosure is not limited thereto. The details of the following example (150) may be applied substantially the same way to the range (142) in which the brightness is the second brightness and the range (143) in which the brightness is the third brightness.

[0044] Referring to Example (150), the data voltage (141a) for indicating the first grayscale level may correspond to the data voltage (151a) for indicating the first grayscale level applied to the first subpixel for the first color (e.g., green (G)). For example, the data voltage (151a) for indicating the first grayscale level applied to the first subpixel may be the same as the data voltage (152a) for indicating the first grayscale level applied to the second subpixel for the second color (e.g., red (R)) and the data voltage (153a) for indicating the first grayscale level applied to the third subpixel for the third color (e.g., blue (B)). The voltage level of the data voltage (151a) for indicating the first grayscale level applied to the first subpixel for the first color (e.g., green (G)), the voltage level of the data voltage (152a) for indicating the first grayscale level applied to the second subpixel for the second color (e.g., red (R)), and the voltage level of the data voltage (153a) for indicating the first grayscale level applied to the third subpixel for the third color (e.g., blue (B)) may be the same as each other.

[0045] Referring to example (150), the data voltage (141b) for indicating the second grayscale level may correspond to the data voltage (151b) for indicating the second grayscale level applied to the first subpixel for the first color (e.g., green (G)). For example, the data voltage (151b) for indicating the second grayscale level applied to the first subpixel may be different from the data voltage (152b) for indicating the second grayscale level applied to the second subpixel for the second color (e.g., red (R)) and the data voltage (153b) for indicating the second grayscale level applied to the third subpixel for the third color (e.g., blue (B)). As a non-limiting example, the voltage level of the data voltage (151b) for representing the second grayscale level applied to the first subpixel for the first color (e.g., green (G)) may be higher than the voltage level of the data voltage (152b) for representing the second grayscale level applied to the second subpixel for the second color (e.g., red (R)). The voltage level of the data voltage (152b) for representing the second grayscale level applied to the second subpixel for the second color (e.g., red (R)) may be higher than the voltage level of the data voltage (153b) for representing the second grayscale level applied to the third subpixel for the third color (e.g., blue (B)).

[0046] Referring to example (150), range (151), range (152), and range (153) each may represent examples of ranges of data voltages applied to a first subpixel for a first color (e.g., green (G)), a second subpixel for a second color (e.g., red (R)), and a third subpixel for a third color (e.g., blue (B)) among the subpixels of a display panel (160). For example, range (151) may be defined by a data voltage (151a) for representing the first grayscale level applied to the first subpixel and a data voltage (151b) for representing the second grayscale level applied to the first subpixel. For example, the range (152) may be defined by a data voltage (152a) for representing the first grayscale level applied to the second subpixel and a data voltage (152b) for representing the second grayscale level applied to the second subpixel. For example, the range (153) may be defined by a data voltage (153a) for representing the first grayscale level applied to the third subpixel and a data voltage (153b) for representing the second grayscale level applied to the third subpixel.

[0047] In example (150), the fact that the data voltage (151a), data voltage (152a), and data voltage (153a) are the same as each other and the data voltage (151b), data voltage (152b), and data voltage (153b) are different from each other may be based on the efficiency of the organic material constituting each of the subpixels. For example, the efficiency of the organic material may be in the order of the first subpixel for the first color, the second subpixel for the second color, and the third subpixel for the third color.

[0048] Depending on the efficiency of the organic material of each of the above subpixels, the data voltage (151a), data voltage (152a), and data voltage (153a) representing the first grayscale level may be determined equally based on the data voltage (151a). For example, to represent the first grayscale level (or to represent a black color), a voltage of about 6.6V or higher needs to be applied to the first subpixel for the first color, a voltage of about 6.2V or higher needs to be applied to the second subpixel for the second color, and a voltage of about 5.8V needs to be applied to the third subpixel for the third color. As described above, despite the different voltage levels required to represent the first grayscale level, the voltage level of the data voltage (151a) applied to the first subpixel may be used for each of the first subpixel, the second subpixel, and the third subpixel. Accordingly, the data voltage (152a) for the second subpixel and the data voltage (153a) for the second subpixel may be set higher than the voltage level required to represent the first grayscale level.

[0049] Additionally, depending on the efficiency of the organic material of each of the subpixels, the data voltage (151b), data voltage (152b), and data voltage (153b) representing the second grayscale level may be determined differently from each other. Since the voltage applied to represent the first grayscale level is different, the voltage applied to represent the second grayscale level may also be different. Accordingly, the voltage level of the data voltage (151b) used as the data voltage (141b) is higher than the voltage level of the data voltage (152b) and the voltage level of the data voltage (153b), and the voltage level of the data voltage (152b) may be higher than the voltage level of the data voltage (153b).

[0050] As described in FIG. 1a, since the data voltage for representing the first grayscale level is set identically regardless of luminance and subpixels, it may not be easy to distinguish between specific grayscale levels. Specific details regarding this may be referenced in FIG. 1b below.

[0051] FIG. 1b illustrates examples of grayscale levels displayed by using a fixed data voltage representing a grayscale level of black color.

[0052] Referring to FIG. 1b, an example of an image (180) is shown in which the data voltage representing a black color gradation level (e.g., the first gradation level of FIG. 1a) is fixed regardless of luminance and subpixels, and the gradation levels displayed are shown using a fixed data voltage. In FIG. 1b, for convenience of explanation, an image (180) is shown in which the gradation levels for representing the image (180) are distinguished into 10 gradation levels (e.g., 0 to 9), but embodiments of the present disclosure are not limited thereto. For example, the gradation levels that can be displayed in the image (180) may include 10 or more gradation levels (e.g., 0 to 255).

[0053] For example, a first part (181) of the image (180) may have the lowest grayscale level (e.g., 0) among the grayscale levels for representing the image (180). For example, the grayscale level of the first part (181) may be the first grayscale level. For example, a second part (182) of the image (180) may have a higher grayscale level (e.g., 1) than the grayscale level of the first part (181). For example, a third part (183) of the image (180) may have a higher grayscale level (e.g., 2) than the grayscale level of the first part (181). For example, a fourth part (184) of the image (180) may have a lower grayscale level (e.g., 8) than the grayscale level of the fifth part (185). For example, the fifth part (185) of the image (180) may be the highest grayscale level (e.g., 9) (or the second grayscale level) among the grayscale levels for representing the image (180). In other words, the grayscale levels of the image (180) may gradually increase from the first part (181) to the fifth part (185).

[0054] The first part (181), the second part (182), and the third part (183) of the image (180), despite having different grayscale levels, may be substantially indistinguishable as a fixed data voltage is used regardless of luminance and subpixels as a data voltage representing a grayscale level of black color (e.g., the first grayscale level of FIG. 1a). The grayscale levels of the first part (181), the second part (182), and the third part (183) may be referred to as low-grayscale regions. For example, when the image (180) is displayed through a display panel (160), the user may not be able to distinguish the boundary between the first part (181) and the second part (182), or the boundary between the second part (182) and the third part (183). As described above, it may be difficult to distinguish between the first part (181), the second part (182), and the third part (183) because the data voltage representing the grayscale level of black color, regardless of luminance and subpixels, has a fixed voltage level (e.g., data voltage (141a) or data voltage (151a)). As a more specific example, assume a case where the data voltage for representing the first grayscale level (e.g., data voltage (151a), data voltage (152a), data voltage (153a)) is set to about 6.6V. As a non-limiting example, to represent a grayscale level higher than the first grayscale level and lower than the second grayscale level (e.g., the grayscale level of the second part (182)), the data voltage applied to the second subpixel may be about 6.3V. However, about 6.3V may be higher than the voltage required for the second subpixel to express a black color (e.g., about 6.2V). Accordingly, the grayscale level when about 6.3V is applied to the second subpixel may be substantially the same as the first grayscale level when about 6.6V is applied to the second subpixel.Accordingly, it may be difficult to distinguish between the first part (181) and the second part (182).

[0055] In the above example, it may be difficult to distinguish not only between the first part (181) and the second part (182), but also between the brightness of the display panel (160) corresponding to the first part (181) and the brightness of the display panel (160) corresponding to the second part (182).

[0056] As the data voltage representing the black color gradation level (e.g., the first gradation level in FIG. 1a) uses a fixed data voltage regardless of luminance and subpixels, a dragging effect may occur. Specific details regarding this may be referenced in FIG. 1c below.

[0057] FIG. 1c illustrates an example of a dragging effect visible in an image that is updated according to scroll input on the screen.

[0058] Referring to FIG. 1c, examples of images (191, 192) showing a drag effect (or afterimage) caused by using a fixed data voltage regardless of luminance and subpixels, where the data voltage representing the black color gradation level (e.g., the first gradation level of FIG. 1a) is used.

[0059] Referring to FIG. 1c, the electronic device (101) can display an image (191) through a display panel (160). For example, the image (191) may include a black line (195) on a white background. In FIG. 1c, for convenience of explanation, an image (191) including a single line (195) on a white background is illustrated, but the present disclosure is not limited thereto. In images with a large difference in gradation (or high contrast), such as the image including a white background and a black line (195) illustrated in FIG. 1c, the drag effect may be visually emphasized.

[0060] For example, the electronic device (101) may acquire (or receive) an input (193) with respect to the display panel (160) while displaying an image (191). As an example without limitation, the input (193) may include a scroll input or a swipe input. Upon acquiring the input (193), the electronic device (101) may display an image (192) modified from the image (191) through the display panel (160).

[0061] In the present disclosure, when displaying an image that has been changed according to a scroll input, the update state of the image may be referred to as a moving state. Alternatively, for example, in the present disclosure, when playing a video even if no input is acquired, the update state of the image may be referred to as a moving state. Conversely, when there is no change in the image, such as before receiving a scroll input in the example of FIG. 1c, the update state of the image may be referred to as a still state. For example, the electronic device (101) can identify whether the update state of the image is a moving state or a still state. Specific details regarding this may be referred to in FIG. 4a below.

[0062] When the image (192) is displayed through the display panel (160), a drag effect may be induced within the image (192). For example, the image (192) may include a black line (195) and a gradient portion (197) extending from the line (195). The gradient portion (197) may be formed within the image (192) that changes according to the image update when a data voltage representing a black grayscale level (e.g., the first grayscale level of FIG. 1a) is used as a fixed data voltage regardless of luminance and subpixels. As a more specific example, even if the same data voltage is applied to each of the subpixels (e.g., the first subpixel, the second subpixel, and the third subpixel), a drag effect may be induced because the charging time of the organic material of each of the subpixels is different. In other words, the gradient portion (197) within the image (192) may be visible to the user.

[0063] In FIG. 1c, the dragging effect resulting from scroll input is illustrated, but is not limited thereto. For example, a color fringe may be caused at the boundary between the line (195) and the white background. For example, the color fringe may be caused by differences in grayscale levels expressed by the subpixels of the boundary. For example, the color fringe may indicate an unintended color display.

[0064] Referring to FIGS. 1a through 1c, the image quality characteristics of the display panel (160) may be lowered as the data voltage representing the black color gradation level (e.g., the first gradation level of FIG. 1a) is used as a fixed data voltage regardless of luminance and subpixels. Hereinafter, the present disclosure may adjust the data voltage representing the black color gradation level (e.g., the first gradation level of FIG. 1a) to improve the image quality characteristics of the display panel (160). For example, the present disclosure may adjust (or set differently) the data voltage representing the black color gradation level (e.g., the first gradation level of FIG. 1a) according to the update state of the image. Additionally, for example, the present disclosure may adjust (or set differently) the data voltage representing the black color gradation level (e.g., the first gradation level of FIG. 1a) according to the luminance of the display panel (160). Additionally, for example, the present disclosure may adjust (or set differently) a data voltage representing a black color gradation level (e.g., the first gradation level of FIG. 1a) according to subpixels of the display panel (160). Additionally, for example, the present disclosure may adjust (or set differently) a data voltage representing a black color gradation level (e.g., the first gradation level of FIG. 1a) according to the temperature of the electronic device (101) (or the display panel (160)). By adjusting the data voltage representing the black color gradation level, the present disclosure may facilitate the distinction between the gradation levels of the display panel (160) and eliminate drag effects. Accordingly, the present disclosure may improve user visibility by improving the image quality characteristics of the display panel (160).

[0065] Figure 2 is a schematic view of an exemplary electronic device.

[0066] Referring to FIG. 2, the electronic device (101) may include at least one processor (210), a display driver integrated circuitry (220), a display panel (160), and a memory (240). The display driver integrated circuitry (220) may be referred to as a DDI, a display driver circuit, or a control circuit. For example, the electronic device (101) may be an example of the electronic device (1101) of FIG. 11.

[0067] For example, the electronic device (101) may be implemented in various form factors. For example, the electronic device (101) may include an electronic device (291) including a bar-type display, such as the electronic device (101) shown in FIG. 1a, as well as an electronic device including a display that is a flexible display. For example, the flexible display may include an electronic device (292) including a foldable display (e.g., the electronic device (101) of FIG. 14a and FIG. 14b), an electronic device (293) including a multi-foldable display (e.g., the electronic device (101) of FIG. 15), or an electronic device (294) including a rollable display (e.g., the electronic device (101) of FIG. 13). Additionally, for example, the electronic device (101) may include a tablet PC (295). Additionally, for example, the electronic device (101) 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.

[0068] For example, the display panel (160) and the display driver IC (220) may be referred to as a display (230). For example, the display (230) may include at least a part of the display module (1160) of FIG. 11. For example, the display (230) may be referred to as a display device or a display module.

[0069] For example, a display panel (160) (e.g., the display panel (160) of FIG. 1a) may include subpixels. For an example of each of the subpixels of the display panel (160), FIG. 3 may be referenced below.

[0070] For example, at least one processor (210) may be used to acquire an image. For example, at least one processor (210) may provide the image to a display driver IC (220). For example, at least one processor (210) may provide at least one command related to the display of the image to the display driver IC (220). For example, at least one processor (210) may include at least a part of the processor (1120) of FIG. 11. For example, at least one processor (210) of the electronic device (101) may include a processing circuit (e.g., CPU (central processing unit), GPU (graphic processing unit), and DPU (display processing unit)).

[0071] For example, the at least one command may include a command indicating an update state of an image. For example, for some mode of the interface between at least one processor (210) and the display driver IC (220) described below, the at least one processor (210) may generate the command indicating an update state of an image and provide it to the display driver IC (220). For example, the some mode may include a second mode (e.g., video mode of MIPI DSI), a third mode (e.g., video hybrid mode of MIPI DSI), and / or a fourth mode (e.g., ARP (adaptive refresh panel) of MIPI DSI). For example, the command indicating an update state of an image may indicate a moving state or a stopped state as the update state. For example, the moving state may include a case where the cycle of image transmission from at least one processor (210) to the display driver IC (220) (or image reception from at least one processor (210)) is less than or equal to a reference cycle. For example, the reference period may be related to the refresh rate of the display panel (160). As a non-limiting example, the reference period may be a period corresponding to 120Hz (e.g., about 8.3ms). As a non-limiting example, cases where the period is less than or equal to the reference period may include cases where an image is being played or where an image update is required upon receiving an input (e.g., scroll input) regarding the display panel (160). Referring to the above example, the display driver IC (220) is described as identifying the update state using the command indicating the image update state, but the present disclosure is not limited thereto.For example, the display driver IC (220) may identify the update state depending on whether the memory (e.g., GRAM (graphic random access memory)) within the display driver IC (220) is updated. As an example without limitation, the display driver IC (220) may identify the update state depending on whether the memory (e.g., GRAM (graphic random access memory)) within the display driver IC (220) is updated when the mode of the interface between at least one processor (210) and the display driver IC (220) is some other mode. For example, some other mode may include a first mode (e.g., the command mode of the MIPI (mobile industry processor interface) DSI (display serial interface)).

[0072] 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 (160). For example, at least one processor (210) may be operatively or operably coupled with a display driver IC (220). For example, at least one processor (210) being operatively coupled with a display driver IC (220) may indicate that at least one processor (210) is directly connected to the display driver IC (220). For example, at least one processor (210) being operatively coupled with a display driver IC (220) may indicate that at least one processor (210) is connected to the display driver IC (220) through another component of the electronic device (101). For example, at least one processor (210) may be connected to a display driver IC (220) via an interface. For example, the interface may be used for transmitting an image from at least one processor (210) to the display driver IC (220). For example, the interface may be a display serial interface (DSI) of the MIPI (mobile industry process interface) alliance. However, embodiments of the present disclosure are not limited thereto. For example, at least one processor (210) being operatively coupled to the display driver IC (220) may indicate that the display driver IC (220) operates based on instructions executed by at least one processor (210).For example, at least one processor (210) being operatively coupled with a display driver IC (220) may indicate that the display driver IC (220) is controlled by at least one processor (210). For example, at least one processor (210) may display an image on a display panel (160) using the display driver IC (220) based on the video mode of the DSI.

[0073] For example, a display driver IC (220) may receive data for an image from at least one processor (210) (or DPU). The data may be transmitted from at least one processor (210) (or DPU) to the display driver IC (220) via an interface. For example, the interface (e.g., including at least one circuit) may be usable for a first mode (e.g., command mode of a MIPI (mobile industry processor interface) DSI (display serial interface)), a second mode (e.g., video mode of a MIPI DSI), a third mode (e.g., video hybrid mode of a MIPI DSI), and / or a fourth mode (e.g., adaptive refresh panel (ARP) of a MIPI DSI). For example, the interface may operate according to the first mode, according to the second mode, according to the third mode, and / or according to the fourth mode. As an example, but not limited to, the interface may include (or support) MIPI (mobile industry processor interface).

[0074] For example, the display driver IC (220) may process the image based on the characteristics of the image and / or the characteristics of the display panel (160). For example, the display driver IC (220) may provide signals to the display panel (160) for displaying the image. For example, the display driver IC (220) may include at least a portion of a DDI (e.g., the DDI (1230) of FIG. 12). For example, the display driver IC (220) may be operatively coupled with the display panel (160). For example, the operative coupling of the display driver IC (220) with the display panel (160) may indicate that the display driver IC (220) is connected to the display panel (160). For example, the operative coupling of the display driver IC (220) with the display panel (160) may indicate that the display panel (160) is controlled by the display driver IC (220). However, it is not limited to this.

[0075] For example, the display driver IC (220) may include at least one circuit for processing the image obtained from at least one processor (210). For example, the at least one circuit may include a circuit for processing the image, or a circuit for displaying the processed image through a display panel (160). For example, the display driver IC (220) may include a source driver circuit (130) (e.g., the source driver circuit (130) of FIG. 1a).

[0076] For example, the circuit for processing the image may include an interface controller. For example, the interface controller may be used to provide the image obtained from at least one processor (210) to an image processing circuit or a graphic random access memory (GRAM) and to provide a command obtained from at least one processor (210) to a command controller (not shown). For example, the interface controller may be included in the interface module (1231) of FIG. 12.

[0077] For example, the circuit for processing the image may include the image processing circuit. For example, the image processing circuit may process the image to adjust the resolution, brightness, and / or size of the image from at least one processor (210). For example, the processed image may be provided to a circuit for displaying the processed image. For example, the image processing circuit may be included in the image processing module (1235) of FIG. 12.

[0078] For example, the circuit for processing the image may further include a GRAM and a GRAM controller. For example, the GRAM may be used to store or record the image obtained from at least one processor (210). For example, the GRAM controller may be used to control the GRAM. The GRAM and the GRAM controller may be included in the memory (1233) of FIG. 12.

[0079] For example, the circuit for displaying the processed image may be used to initialize a gate (or gate electrode), apply the data voltage to the initialized gate, and emit light from a light-emitting diode. For example, the gate (or gate electrode) may represent the gate of a transistor associated with each of a plurality of subpixels included in the display panel (160). The light-emitting diode may represent a light-emitting diode associated with each of the plurality of subpixels.

[0080] For example, the circuit for displaying the processed image may include a timing controller. For example, the timing controller may be used to provide a synchronization signal (or timing signal) to the GRAM controller, the source driver circuit (130), the gate driver circuit, and / or the light-emitting driver. For example, the synchronization signal may include a vertical synchronization signal (Vsync) and a horizontal synchronization signal (Hsync). For example, the synchronization signal may be generated by the timing controller or by a synchronization signal generation circuit located outside the display driver IC (220). For example, the timing controller may be used to provide signals for controlling the source driver circuit (130), the gate driver circuit, and / or the light-emitting driver. For example, the timing controller may further include at least one signal generation circuit. For example, the at least one signal generation circuit may be located outside the timing controller. For example, at least some of the circuits for displaying the processed image may be included in the mapping module (1237) of FIG. 12.

[0081] For example, the circuit for displaying the processed image may include a source driver circuit (130). For example, the source driver circuit (130) may be used to provide the data voltage to be applied to the gate. For example, the source driver circuit (130) may be used to provide the data voltage corresponding to a specific gradation within the gradation that the subpixels of the display panel (160) can implement. For example, the gradation implemented by each of the subpixels may change depending on the magnitude of the data voltage. For example, the brightness of the image displayed according to the gradation may be adjusted based on a gamma value. For example, the gamma value may be indicated through a command obtained from at least one processor (210).

[0082] For example, the circuit for displaying the processed image may include the gate driver circuit. For example, the gate driver circuit may be used to provide a gate voltage to the display panel (160). The gate voltage may include a voltage for driving (e.g., on / off) a transistor included in a subpixel.

[0083] For example, the circuit for displaying the processed image may include a light-emitting driver circuit (or light-emitting driver). For example, the light-emitting driver circuit may be used to provide the light-emitting signal to the display panel (160).

[0084] In FIG. 2, the source driver circuit (130) is shown as being included in the display driver IC (220), but the present disclosure is not limited thereto. For example, the source driver circuit (130) may be located outside the display driver IC (220).

[0085] For example, a display panel (160) may include pixels. Each of the pixels may include subpixels. The subpixels may include a first subpixel configured to emit light in a first color (e.g., green), a second subpixel configured to emit light in a second color (e.g., red), and a third subpixel configured to emit light in a third color (e.g., blue). As an example without limitation, the subpixels may further include a fourth subpixel configured to emit light in a fourth color (e.g., white).

[0086] For example, each of the above subpixels may include a light-emitting element (e.g., an OLED (organic light-emitting diode)) and a driving transistor (or a driving transistor for driving the light-emitting element) for providing current to the light-emitting element (or for obtaining the current provided to the light-emitting element) (e.g., the first transistor (301) of FIG. 3). For example, each of the above subpixels may include an operation control transistor (e.g., the eighth transistor (308) of FIG. 3) comprising a drain electrode electrically connected to the source electrode of the driving transistor and a source electrode electrically connected to a driving voltage line that transmits a driving voltage (VDD). For example, each of the above subpixels may include a light-emitting control transistor (e.g., the seventh transistor (307) of FIG. 3) comprising a source electrode electrically connected to the drain electrode of the driving transistor and a drain electrode electrically connected to the anode electrode of the light-emitting element. For example, the display driving IC (220) can provide an emission signal to each of the gate electrode of the operation control transistor and the gate electrode of the light emission control transistor. When the emission signal is provided to each of the gate electrode of the operation control transistor and the gate electrode of the light emission control transistor, the current obtained through the driving transistor can be provided to the light-emitting element. For example, the light-emitting element can emit light according to the current.

[0087] As a non-limiting example, each of the above subpixels may further include one or more other transistors and one or more capacitors in addition to the driving transistor, the operation control transistor, and the light emission control transistor exemplified above. An exemplary configuration of each of the above subpixels is described and illustrated with reference to FIG. 3.

[0088] For example, the electronic device (101) may include a memory (240) that includes one or more storage media and stores instructions. The memory (240) may include at least a portion of the memory (1130) of FIG. 11 or correspond to at least a portion of the memory (1130) of FIG. 11. The instructions may cause the electronic device (101) to generate or acquire an image to be displayed through a display (230) (or a display panel (160)) when executed individually or collectively by at least one processor (210). The instructions may provide data for the image to the display (230) (or a display driver IC (220)) to display the image through the display (230) (or a display panel (160)) when executed individually or collectively by at least one processor (210).

[0089] Although not illustrated in FIG. 2, the electronic device (101) may include a power management integrated circuitry (PMIC). For example, the PMIC may provide voltage to each of the display driver IC (220) (or source driver circuit (130)) and the display panel (160). For example, the PMIC may provide a first base voltage (e.g., the first base voltage (131) of FIG. 1a) to the display driver IC (220). For example, the PMIC may provide a second base voltage (e.g., the second base voltage (132) of FIG. 1a) to the display panel (160).

[0090] Figure 3 illustrates an example of a subpixel within a display panel.

[0091] Referring to FIG. 3, each of the plurality of subpixels may include a light-emitting element (300) (e.g., light-emitting element (300) or OLED (300)), a first transistor (301) (e.g., the driving transistor), a second transistor (302) (e.g., a threshold voltage adjustment transistor), a third transistor (303) (e.g., an initialization transistor), a fourth transistor (304) (e.g., a bypass transistor), a fifth transistor (305) (e.g., a compensation transistor), a sixth transistor (306) (e.g., a switching transistor), a seventh transistor (307) (e.g., a light-emitting control transistor), an eighth transistor (308) (e.g., an operation control transistor), and a capacitor (309) (e.g., a storage capacitor). The components within each of the plurality of subpixels, their relationships, and their functions as illustrated in FIG. 3 are exemplary only and do not limit the implementations described or claimed herein. For example, another capacitor (e.g., a boost capacitor) may be further included between the gate electrode (G) of the first transistor (301) (and the drain electrode (D) of the third transistor (303)) and the gate electrode (G) of the sixth transistor (306).

[0092] For example, the gate electrode (G) of the first transistor (301) may be connected to the drain electrode (D) of the fifth transistor (305). For example, the gate electrode (G) of the first transistor (301) may be connected to the drain electrode (D) of the third transistor (303). For example, the gate electrode (G) of the first transistor (301) may be connected to a capacitor (309) used to store a data voltage (Vdata) (321). Although not shown in FIG. 3, the gate electrode (G) of the first transistor (301) may be connected to a boost capacitor (not shown) used to compensate for a voltage drop caused by ceasing to provide the fourth signal (314). For example, the source electrode (S) of the first transistor (301) may be connected to the drain electrode (D) of the sixth transistor (306). For example, the source electrode (S) of the first transistor (301) may be connected to the drain electrode (D) of the eighth transistor (308). For example, the source electrode (S) of the first transistor (301) may be connected to the drain electrode (D) of the second transistor (302). For example, the drain electrode (D) of the first transistor (301) may be connected to the source electrode (S) of the fifth transistor (305). For example, the drain electrode (D) of the first transistor (301) may be connected to the source electrode (S) of the seventh transistor (307). For example, the first transistor (301) may be used to provide a current (317) according to the data voltage (Vdata) (321) to the light-emitting diode (300).

[0093] In the present disclosure, providing a data voltage (Vdata) (321) to a display panel (160) may include providing the data voltage (Vdata) (321) to the gate electrode (G) of a first transistor (301), storing the data voltage (VData) (321) in a capacitor (309), and / or providing a current (317) according to the data voltage (Vdata) (321) to a light-emitting diode (300). As an example, but not limited to, a grayscale level corresponding to a black color (or, the first grayscale level of FIG. 1a (e.g., 0)) may represent a case where the current (317) provided to the light-emitting diode (300) according to the data voltage (Vdata) (321) is 0 (or, a case where no current (317) flows to the light-emitting diode (300), or where the magnitude of the current (317) provided to the light-emitting diode (300) is less than a reference size).

[0094] For example, the gate electrode (G) of the second transistor (302) may be configured to receive the third signal (313). For example, the source electrode (S) of the second transistor (302) may be configured to obtain a bias voltage (Vbias) (323) (e.g., about 6 (V)). For example, the third signal (313) may be used to provide the bias voltage (Vbias) (323) to the first transistor (301).

[0095] For example, the gate electrode (G) of the third transistor (303) may be configured to receive a first signal (311). For example, the first signal (311) may be used to initialize the gate electrode (G) of the first transistor (301). For example, the first signal (311) may be referred to as GI, GI signal, initialization signal, or first scan signal. For example, the source electrode (S) of the third transistor (303) may be configured to obtain a first initialization voltage (Vint1) (318) (e.g., about -3.5 (V)). For example, the voltage (or voltage value, voltage level, magnitude) of the first initialization voltage (Vint1) (318) may be adjusted (or set, changed) by the display driving circuit (e.g., the display driver IC (220) of FIG. 2). The first initialization voltage (Vint1) (318) can be referred to as the initialization voltage.

[0096] For example, the gate electrode (G) of the fourth transistor (304) may be configured to receive a third signal (313). For example, the third signal (313) may be used to initialize a light-emitting element (300) including an anode electrode connected to the source electrode (S) of the fourth transistor (304). For example, the third signal (313) may be used to initialize the light-emitting element (300) (or a parasitic capacitor of the light-emitting element (300)). For example, the third signal (313) may be referred to as GB, GB signal, bypass signal, third clock signal, or third scan signal. For example, the drain electrode (D) of the fourth transistor (304) may be configured to obtain a second initialization voltage (Vint2) (319) (e.g., about -3 (V)). The second initialization voltage (Vint2) (319) may be referred to as an anode initialization voltage. For example, the voltage (or voltage value, voltage level, magnitude) of the second initialization voltage (Vint2) (319) can be adjusted (or set, changed) by the display driving circuit (e.g., the display driver IC (220) of FIG. 2).

[0097] For example, the gate electrode (G) of the fifth transistor (305) may be configured to receive a second signal (312). For example, the second signal (312) may be referred to as a GC signal, GC, a compensation signal, or a second scan signal. For example, the drain electrode (D) of the fifth transistor (305) may be connected to the gate electrode (G) of the first transistor (301), the storage capacitor (309), and the drain electrode (D) of the third transistor (303). For example, the source electrode (S) of the fifth transistor (305) may be connected to the drain electrode (D) of the first transistor (301) and the source electrode (S) of the seventh transistor (307).

[0098] For example, the gate electrode (G) of the sixth transistor (306) may be configured to receive the fourth signal (314). For example, the source electrode (S) of the sixth transistor (306) may be configured to obtain the data voltage (Vdata) (321). For example, the fourth signal (314) may be used to apply the data voltage (Vdata) (321) to the first transistor (301). For example, the fourth signal (314) may be referred to as GW, GW signal, switching signal, or fourth scan signal.

[0099] For example, the gate electrode (G) of the seventh transistor (307) may be configured to receive a light emission signal (315). For example, the drain electrode (D) of the seventh transistor (307) may be connected to the source electrode (S) of the fourth transistor (304). For example, the drain electrode (D) of the seventh transistor (307) may be connected to the anode electrode of the light-emitting element (300).

[0100] For example, the gate electrode (G) of the eighth transistor (308) may be configured to receive a light emission signal (315). For example, the source electrode (S) of the eighth transistor (308) may be configured to obtain a first driving voltage (VDD).

[0101] For example, the cathode electrode of the light-emitting element (300) may be configured to obtain a second driving voltage (VSS) (325). Hereinafter, the second driving voltage (VSS) (325) may be described as a driving voltage.

[0102] For example, the display driving circuit can display an image on the display panel based on providing a first signal (311), a second signal (312), a third signal (313), a fourth signal (314), and a light emission signal (315) to each of the plurality of subpixels. For example, the display driving circuit can display an image on the display panel based on applying a data voltage (Vdata) (321), a bias voltage (Vbias) (323), initialization voltages (318, 319), and a second driving voltage (VSS) (325) to each of the plurality of subpixels.

[0103] Figure 4a illustrates examples of image update states.

[0104] FIG. 4a illustrates examples (401, 402, 403) of the update status of an image identified by an electronic device (101).

[0105] The electronic device (101) can identify the update state of an image. For example, the update state of the image can be identified by at least one processor (210) and / or a display driver IC (220). When the update state is identified by at least one processor (210), the at least one processor (210) can transmit a command indicating the update state to the display driver IC (220).

[0106] For example, the update state may include a moving state or a stationary state. For example, the moving state may include a case where there is an update (or change of image) to the image. For example, the stationary state may include a case where there is no update (or change of image) to the image.

[0107] In example (401), the display driver IC (220) can display the same image through the display panel (160) without changing the image. The display driver IC (220) can identify (or determine, decide) the update state as a stopped state when it receives the same image without change from at least one processor (210) or does not receive additional images from at least one processor (210).

[0108] In contrast, in example (401) and example (402), the display driver IC (220) can perform a change to the image being displayed as it acquires a scroll input (409). For example, while displaying an image in example (401), the display driver IC (220) can receive a changed image from the image of example (401) from at least one processor (210) as it acquires a scroll input (409). After receiving the changed image, the display driver IC (220) can display the changed image from the image of example (401) as in example (402). As the display driver IC (220) receives the changed image from at least one processor (210), it can identify (or determine, decide) the update state as a moving state.

[0109] Alternatively, in example (403), the display driver IC (220) can display an image through the display panel (160). For example, the image may include a plurality of images. The display driver IC (220) can receive a modified image for the image from at least one processor (210) to display the image. Upon receiving the modified image from at least one processor (210), the display driver IC (220) can identify (or determine, decide) the update state as a moving state.

[0110] In the examples (401, 402, 403) of FIG. 4a, the update state is identified based on whether there is a substantial change in the image displayed through the display panel (160), but the present disclosure is not limited thereto. For example, the electronic device (101) may identify the update state based on the cycle of image transmission (or image reception from at least one processor (210) to the display driving IC (220).

[0111] For example, an electronic device (101) can perform image transmission from at least one processor (210) to a display driver IC (220) (or image reception from at least one processor (210)). For example, image transmission can be performed according to a period. For example, the display driver IC (220) can identify the update state as the moving state if the period of the image transmission is less than or equal to a reference period. Or, the display driver IC (220) can identify the update state as the stopped state if the period of the image transmission is greater than or equal to the reference period. In other words, the electronic device (101) can identify the update state as the stopped state even if the image update is performed, if the image transmission (or the update of the image following the image transmission) is slower than a certain level (e.g., image update every 1 second (i.e., 1 Hz)). In contrast, the display driving IC (220) can identify the update state as the moving state when the image transmission is faster than the certain level (e.g., 120 image updates per second (i.e., 120 Hz)).

[0112] In the above example, the display driver IC (220) is described as identifying the update state based on a comparison between the period of the image transmission and the reference period, but the present disclosure is not limited thereto. For example, the display driver IC (220) may identify whether to update based on a substantial change in the image along with a comparison between the period of the image transmission and the reference period. As a non-limiting example, the display driver IC (220) may identify the update state by identifying a substantial change in the image displayed through the display panel (160), such as in example (402) and / or example (403), when the period of the image transmission is less than or equal to the reference period.

[0113] Additionally, as a non-limiting example, if the period of the image transmission is less than or equal to the reference period and a substantial change to the image is identified, the display driving IC (220) may identify the update state based on the display position of the changed image and / or the size of the changed image.

[0114] For example, the display driver IC (220) can identify the display position of the changed image when the period of the image transmission is less than or equal to the reference period and a substantial change of the image is identified. For example, if the display position is a periphery portion of the display area of ​​the display panel (160), the display driver IC (220) can identify the update state as the stopped state. Alternatively, if the display position is a portion different from the periphery portion of the display area of ​​the display panel (160) (e.g., the center portion), the display driver IC (220) can identify the update state as the moving state.

[0115] For example, the display driver IC (220) can identify the size of the changed image when the period of the image transmission is less than or equal to the reference period and a substantial change of the image is identified. For example, if the size is less than or equal to the reference size, the display driver IC (220) can identify the update state as the stopped state. Conversely, if the size exceeds the reference size, the display driver IC (220) can identify the update state as the moving state.

[0116] FIG. 4b illustrates an example of a method for adjusting a data voltage representing a grayscale level according to the update state of an image.

[0117] FIG. 4b illustrates an example of a method in which a display driver IC (220) adjusts a data voltage representing a grayscale level to be provided to a display panel (160) via a source driver circuit (130) according to the update state of an image. For example, the grayscale level may be a grayscale level corresponding to a black color (or the first grayscale level of FIG. 1a). For convenience of explanation, each of the range (441) and range (442) of FIG. 4b may represent an example of a range of data voltage applied to a first subpixel for a first color (e.g., green (G)) among the subpixels of the display panel (160). However, the present disclosure is not limited thereto. The examples of FIG. 4b can be substantially applied to the range of data voltages applied to a second subpixel for a second color (e.g., red (R)) or a third subpixel for a third color (e.g., blue (B)) among the subpixels of the display panel (160).

[0118] Referring to FIG. 4b, the display driving IC (220) can provide a data voltage within a range (441) or a range (442) to the display panel (160) through the source driver circuit (130) depending on the update state of the image.

[0119] For example, the range (441) may be a range of data voltages used when the update state of the image is in a stopped state. For example, the range (441) may be defined by a data voltage (441a) representing the first grayscale level (e.g., 0) and a data voltage (441b) representing the second grayscale level (e.g., 255). For example, the second grayscale level may represent a grayscale level corresponding to a white color.

[0120] For example, the range (442) may be a range of data voltages used when the update state of the image is a moving state. For example, the range (442) may be defined by a data voltage (442a) representing the first grayscale level and a data voltage (442b) representing the second grayscale level.

[0121] For example, the voltage level of the data voltage (442a) in the moving state may be lower than the voltage level of the data voltage (441a) in the stationary state. For example, the voltage level of the data voltage (442b) in the moving state may correspond to (or be the same as) the voltage level of the data voltage (441b) in the stationary state.

[0122] Referring to the above description, in the moving state as opposed to the stationary state, the display driving IC (220) can reduce (or lower) the voltage level of the data voltage representing the first grayscale level provided to the display panel (160). In the example of FIG. 4b, the data voltage (442a) in the moving state may be applied not only to the first subpixel but also to the second subpixel and the third subpixel, respectively. As the reduced data voltage (442a) is applied in the moving state, the change in brightness of the portion of the image displayed through the first subpixel may be relatively less visible. Additionally, compared to when the data voltage (441a) of range (441) is applied to the second subpixel and the third subpixel, when the data voltage (442a) of range (442) is applied to the second subpixel and the third subpixel, the drag effect can be eliminated as the second subpixel and the third subpixel are charged relatively faster.

[0123] In the example of FIG. 4b, a case is described in which a data voltage (442a) that is equally reduced is applied to the first subpixel, the second subpixel, and the third subpixel, but the present disclosure is not limited thereto. As described later in FIG. 6, the data voltage in the moving state may be applied differently to each of the first subpixel, the second subpixel, and the third subpixel.

[0124] In the example of FIG. 4b, a case is described in which a data voltage (442a) that is reduced (or adjusted) according to the update state is applied, but the present disclosure is not limited thereto. For example, the voltage level of the data voltage (442a) representing the grayscale level may be further adjusted according to the update state and the brightness of the display panel (160). Specific details related thereto are illustrated and explained below with reference to FIG. 8a.

[0125] FIG. 5a illustrates an example of a method for adjusting a data voltage representing a grayscale level according to the brightness of a display panel.

[0126] FIG. 5a illustrates an example of a method in which a display driving IC (220) adjusts a data voltage representing a grayscale level to be provided to a display panel (160) through a source driver circuit (130) according to the brightness of the display panel (160). For example, the grayscale level may be a grayscale level corresponding to a black color (or the first grayscale level of FIG. 1a). For convenience of explanation, each of the ranges (541), (542), and (543) of FIG. 5a may represent an example of a range of data voltages applied to a first subpixel for a first color (e.g., green (G)) among the subpixels of the display panel (160). However, the present disclosure is not limited thereto. The examples of FIG. 5a can be substantially applied to the range of data voltages applied to a second subpixel for a second color (e.g., red (R)) or a third subpixel for a third color (e.g., blue (B)) among the subpixels of the display panel (160).

[0127] Referring to FIG. 5a, the display driver IC (220) may provide a data voltage within a range (541), a range (542), or a range (543) to the display panel (160) through the source driver circuit (130) according to the brightness of the display panel (160). For example, the display driver IC (220) may identify the brightness of the display panel (160) to be used when an image is displayed. In the above example, the display driver IC (220) is described as identifying the brightness, but the present disclosure is not limited thereto. For example, at least one processor (210) may identify the brightness of the display panel (160) and provide (or transmit) the identified brightness to the display driver IC (220).

[0128] For example, the brightness may include a first brightness, a second brightness, or a third brightness. For example, the first brightness may be the brightness when the mode of the display panel (160) (or electronic device (101)) is HBM (high brightness mode). For example, the second brightness may be higher than the third brightness. For example, the second brightness may be the maximum brightness in a normal mode different from the HBM mode. For example, the third brightness may be the minimum brightness in the normal mode. FIG. 5a illustrates the case where the brightness is the first brightness, the second brightness, or the third brightness, but the present disclosure is not limited thereto. For example, FIG. 5b may be referenced for a specific example of a brightness between the first brightness and the second brightness (or brightness between the second brightness and the third brightness).

[0129] For example, the range (541) may be a range of data voltages used when the brightness of the display panel (160) is the first brightness. For example, the range (541) may be defined by a data voltage (541a) representing the first grayscale level (e.g., 0) and a data voltage (541b) representing the second grayscale level (e.g., 255). For example, the second grayscale level may represent a grayscale level corresponding to a white color.

[0130] For example, the range (542) may be a range of data voltages used when the brightness of the display panel (160) is the second brightness. For example, the range (542) may be defined by a data voltage (542a) representing the first grayscale level and a data voltage (542b) representing the second grayscale level.

[0131] For example, the range (543) may be a range of data voltages used when the brightness of the display panel (160) is the second brightness. For example, the range (543) may be defined by a data voltage (543a) representing the first grayscale level and a data voltage (543b) representing the second grayscale level.

[0132] For example, the voltage level of the first luminance data voltage (541a) may be higher than the voltage level of the second luminance data voltage (542a). For example, the voltage level of the second luminance data voltage (542a) may be higher than the voltage level of the third luminance data voltage (543a). In the example of FIG. 5a, the first luminance data voltage (541a) may be applied not only to the first subpixel but also equally to the second subpixel and the third subpixel, respectively. Also, in the example of FIG. 5a, the second luminance data voltage (542a) may be applied not only to the first subpixel but also equally to the second subpixel and the third subpixel, respectively. In addition, in the example of FIG. 5a, the data voltage (543a) of the third brightness is applied not only to the first subpixel but can also be applied in the same way to the second subpixel and the third subpixel, respectively.

[0133] For example, the voltage level of the first luminance data voltage (541b) may be lower than the voltage level of the second luminance data voltage (542b). For example, the voltage level of the second luminance data voltage (542b) may be lower than the voltage level of the third luminance data voltage (543b). In other words, the length (or size) of the range (541) may be longer (or larger) than the length (or size) of the range (542), and the length (or size) of the range (542) may be longer (or larger) than the length (or size) of the range (543). In the example of FIG. 5a, the first luminance data voltage (541b) may be applied to the first subpixel, and data voltages different from the data voltage (541b) may also be applied to the second subpixel and the third subpixel, respectively. For example, as in the example (150) of FIG. 1a, at the first brightness, the data voltage applied to the second subpixel may be different from the third data voltage applied to the third subpixel. In the example of FIG. 5a, the data voltage (542b) of the second brightness may be applied to the first subpixel, and data voltages different from the data voltage (542b) may also be applied to the second subpixel and the third subpixel, respectively. For example, as in the example (150) of FIG. 1a, at the first brightness, the data voltage applied to the second subpixel may be different from the third data voltage applied to the third subpixel. In the example of FIG. 5a, the data voltage (543b) of the third brightness may be applied to the first subpixel, and data voltages different from the data voltage (543b) may also be applied to the second subpixel and the third subpixel, respectively.For example, as in the example (150) of FIG. 1a, at the first brightness, the data voltage applied to the second subpixel may be different from the third data voltage applied to the third subpixel.

[0134] In FIG. 5a, the data voltage provided to the display panel (160) (or provided to the subpixels of the display panel (160)) can be reduced (adjusted to be reduced) as the brightness of the display panel (160) decreases. Accordingly, it is easier to distinguish between the grayscale levels in the low-grayscale region of the display panel (160) (or the subpixels of the display panel (160)), and the power consumption of the display panel (160) (or the subpixels of the display panel (160)) can be reduced.

[0135] In FIG. 5a, the data voltage provided to the display panel (160) (or provided to the subpixels of the display panel (160)) is illustrated as decreasing as the brightness of the display panel (160) decreases, but the present disclosure is not limited thereto. Depending on the characteristics of the display panel (160) (or the subpixels of the display panel (160), and each of the subpixels of the display panel (160), the data voltage may be adjusted differently. For example, as the brightness of the display panel (160) decreases, the data voltage provided to the display panel (160) (or provided to the subpixels of the display panel (160)) may be increased (or adjusted to increase).

[0136] FIG. 5b illustrates examples of data voltages representing grayscale levels according to luminance.

[0137] FIG. 5b illustrates examples of ranges representing gradation levels that can be used in a fourth luminance between the first luminance range (541) and the second luminance range (542) of FIG. 5a. Each of the ranges (541) and (542) of FIG. 5b may correspond to the ranges (541) and (542) of FIG. 5a.

[0138] Referring to FIG. 5b, the display driver IC (220) may provide a data voltage of range (551), range (552), or range (553) to the display panel (160) with respect to the fourth brightness between the first brightness between the range (541) and the second brightness between the range (542). In FIG. 5b, ranges (551, 552, 553) that may be used in the fourth brightness between the first brightness and the second brightness are illustrated, but the present disclosure is not limited thereto. For example, the specific details of FIG. 5b may be applied substantially the same way to the fifth brightness between the second brightness and the third brightness.

[0139] For example, the range (551) may be a range of data voltages used when the brightness of the display panel (160) is the fourth brightness between the first brightness and the second brightness. For example, the range (551) may be defined by a data voltage (551a) representing the first grayscale level (e.g., 0) and a data voltage (551b) representing the second grayscale level (e.g., 255). For example, the second grayscale level may represent a grayscale level corresponding to a white color. For example, the voltage level of the data voltage (551a) may correspond to (or be the same as) the voltage level of the data voltage (541a) of the range (541). For example, the voltage level of the data voltage (551b) may be higher than the voltage level of the data voltage (541b) of the range (541) and lower than the voltage level of the data voltage (542b) of the range (542). As a non-limiting example, the voltage level of the data voltage (551b) of the fourth luminance may be identified by interpolation between the voltage level of the data voltage (541b) of the first luminance and the voltage level of the data voltage (542b) of the second luminance. The interpolation may be performed proportionally to the magnitude of the fourth luminance between the first luminance and the second luminance.

[0140] For example, the range (552) may be a range of data voltages used when the brightness of the display panel (160) is the fourth brightness between the first brightness and the second brightness. For example, the range (552) may be defined by a data voltage (552a) representing the first grayscale level and a data voltage (552b) representing the second grayscale level. For example, the voltage level of the data voltage (552a) may be lower than the voltage level of the data voltage (541a) of the range (541) and higher than the voltage level of the data voltage (542a) of the range (542). As a non-limiting example, the voltage level of the data voltage (552a) of the fourth brightness may be identified by interpolation between the voltage level of the data voltage (541a) of the first brightness and the voltage level of the data voltage (542a) of the second brightness. The above interpolation may be performed proportionally to the magnitude of the fourth luminance between the first luminance and the second luminance. For example, the voltage level of the data voltage (552b) may be higher than the voltage level of the data voltage (541b) of the range (541) and lower than the voltage level of the data voltage (542b) of the range (542). As a non-limiting example, the voltage level of the data voltage (552b) may correspond to (or be the same as) the voltage level of the data voltage (551b) of the range (551).

[0141] For example, the range (553) may be a range of data voltages used when the brightness of the display panel (160) is the fourth brightness between the first brightness and the second brightness. For example, the range (553) may be defined by a data voltage (553a) representing the first grayscale level and a data voltage (553b) representing the second grayscale level. For example, the voltage level of the data voltage (553a) may correspond to (or be the same as) the voltage level of the data voltage (542a) of the range (542). For example, the voltage level of the data voltage (553b) may be higher than the voltage level of the data voltage (541b) of the range (541) and lower than the voltage level of the data voltage (542b) of the range (542). As an example not limited to, the voltage level of the data voltage (553b) may correspond to (or be the same as) the voltage level of the data voltage (551b) of the range (551) (or the voltage level of the data voltage (552b) of the range (552).

[0142] Figure 6 illustrates an example of a method for adjusting data voltages representing grayscale levels according to subpixels.

[0143] FIG. 6 illustrates an example (650) of a method for adjusting a data voltage representing a grayscale level according to subpixels. For example, the grayscale level may be a grayscale level corresponding to a black color (or, the first grayscale level of FIG. 1a).

[0144] Referring to example (650), each of ranges (151), range (152), and range (153) may represent examples of ranges of data voltages applied to a first subpixel for a first color (e.g., green (G)), a second subpixel for a second color (e.g., red (R)), and a third subpixel for a third color (e.g., blue (B)) among the subpixels of a display panel (160). Each of the ranges (151), range (152), and range (153) of FIG. 6 may correspond to the ranges (151), range (152), and range (153) of FIG. 1a. The data voltage (151a) of range (151) may correspond to (or be the same as) the data voltage (152a) of range (152) and the data voltage (153a) of range (153), respectively. In other words, regardless of the subpixels, a fixed (or identical) data voltage can be provided to the display panel (160) (or the subpixels of the display panel (160)).

[0145] Referring to example (650), the display driver IC (220) may provide a data voltage within a range (651), a range (652), or a range (653) to the display panel (160) through the source driver circuit (130), depending on the subpixels. For example, the display driver IC (220) may apply a data voltage within the range (651) to the first subpixel of the display panel (160). For example, the display driver IC (220) may apply a data voltage within the range (652) to the second subpixel of the display panel (160). For example, the display driver IC (220) may apply a data voltage within the range (653) to the third subpixel of the display panel (160).

[0146] For example, the range (651) may be a range of data voltages applied to the first subpixel of the display panel (160). For example, the range (651) may be defined by a data voltage (651a) representing the first grayscale level (e.g., 0) and a data voltage (651b) representing the second grayscale level (e.g., 255). For example, the second grayscale level may represent a grayscale level corresponding to a white color.

[0147] For example, the range (652) may be a range of data voltages applied to the second subpixel of the display panel (160). For example, the range (652) may be defined by a data voltage (652a) representing the first grayscale level and a data voltage (652b) representing the second grayscale level.

[0148] For example, the range (653) may be a range of data voltages applied to the third subpixel of the display panel (160). For example, the range (653) may be defined by a data voltage (653a) representing the first grayscale level and a data voltage (653b) representing the second grayscale level.

[0149] For example, the voltage level of the data voltage (652a) applied to the second subpixel may be lower than the voltage level of the data voltage (651a) applied to the first subpixel. For example, the voltage level of the data voltage (652a) may be lower by a difference (660) from the voltage level of the data voltage (651a) (or the data voltage (152a) of the range (152)). For example, the difference (660) may be determined based on the efficiency of the organic material of the second subpixel or the components of the second subpixel (e.g., driving transistor, light-emitting diode).

[0150] For example, the voltage level of the data voltage (653a) applied to the third subpixel may be lower than the voltage level of the data voltage (652a) applied to the second subpixel. For example, the voltage level of the data voltage (653a) may be lower by a difference (670) from the voltage level of the data voltage (651a) (or, the data voltage (153a) of the range (153)). For example, the difference (670) may be determined based on the efficiency of the organic material of the third subpixel or the components of the second subpixel (e.g., driving transistor, light-emitting diode).

[0151] For example, the voltage level of the data voltage (651b) applied to the first subpixel may correspond to (or be the same as) the voltage level of the data voltage (151b) applied to the first subpixel. For example, the voltage level of the data voltage (652b) applied to the second subpixel may correspond to (or be the same as) the voltage level of the data voltage (152b) applied to the second subpixel. For example, the voltage level of the data voltage (653b) applied to the third subpixel may correspond to (or be the same as) the voltage level of the data voltage (153b) applied to the third subpixel. In other words, the data voltage (or data voltage) corresponding to the black color may be adjusted, and the data voltage (or data voltage) corresponding to the white color may be maintained (or not adjusted).

[0152] In FIG. 6, an example (650) is illustrated in which the data voltage representing the grayscale level is adjusted according to the subpixels, but the present disclosure is not limited thereto. For example, while the data voltage representing the grayscale level is adjusted according to the subpixels, the data voltage representing the grayscale level may also be further adjusted according to the luminance. Specific details related thereto are illustrated and explained below with reference to FIG. 8b.

[0153] Figure 7a illustrates an example of a graph showing the relationship between gate voltage, source voltage, and current as a function of temperature.

[0154] The graph (700) of FIG. 7a shows the relationship between the gate-source voltage (VGS) of the first transistor (301) and the current (Id) (317) (or current flowing from the source electrode to the drain electrode of the first transistor (301)) provided (or applied) to the light-emitting element (300) according to the temperature of the electronic device (101). The horizontal axis of the graph (700) represents the gate-source voltage (VGS) of the first transistor (301), and the vertical axis of the graph (700) represents the current (Id) provided to the light-emitting element (300). The temperature of the electronic device (101) may be referred to as the temperature of the display panel (160), the temperature of each of the subpixels of the display panel (160), or the temperature of the display (230).

[0155] Referring to the graph (700), line (701) indicates the case where the temperature is a first temperature, line (702) indicates the case where the temperature is a second temperature, and line (703) indicates the case where the temperature is a third temperature. For example, the first temperature may be lower than the second temperature. For example, the second temperature may be lower than the third temperature. For example, the first temperature may be referred to as low temperature, the second temperature may be referred to as room temperature, and the third temperature may be referred to as high temperature.

[0156] Referring to the graph (700), when the gate-source voltage (VGS) is at a specific voltage level value (705), the current (Id) (317) can be determined according to temperature. In other words, because a change in temperature causes a change (or shift) in the characteristics of the first transistor (301) (or the characteristics of the light-emitting diode (300)), the relationship between the gate-source voltage (VGS) and the current (Id) (317) can change according to the change in temperature. Accordingly, even if the same gate-source voltage (VGS) is applied to the subpixel (or the first transistor (301)), the current (Id) (317) can change, and accordingly, a change in the brightness of the display panel (160) (or light-emitting element (300)) can be caused. For example, as the temperature increases from the first temperature to the third temperature, the characteristics of the first transistor (301) are positively shifted (or increased), so the brightness of the display panel (160) (or light-emitting element (300)) may be increased beyond the intended brightness. Or, for example, as the temperature decreases from the third temperature to the first temperature, the characteristics of the first transistor (301) are negatively shifted (or decreased), so the brightness of the display panel (160) (or light-emitting element (300)) may be decreased below the intended brightness.

[0157] Referring to the above description, the display driving IC (220) can adjust the data voltage representing a specific grayscale level (e.g., a grayscale level corresponding to black color) according to a change in temperature. For example, as the temperature increases, the data voltage representing the specific grayscale level may be set higher, and as the temperature decreases, the data voltage representing the specific grayscale level may be set lower. The above example assumes that the type of each subpixel's transistor (e.g., the first driving transistor (301)) is of a specific type (e.g., N-MOS (N-type metal oxide semiconductor) or P-MOS (P-type metal oxide semiconductor)), but the present disclosure is not limited thereto. For example, if the type of the transistor is changed, the data voltage representing the specific grayscale level may be set lower as the temperature increases. Depending on the adjustment of the data voltage, the display panel (160) (or the subpixel of the display panel (160), the light-emitting element (300) of the display panel (160)) may have an intended brightness. A method for adjusting the data voltage according to temperature can be referenced in FIG. 7b below.

[0158] Figure 7b illustrates an example of a method for adjusting a data voltage representing a grayscale level according to temperature.

[0159] FIG. 7b illustrates an example of a method in which a display driver IC (220) adjusts a data voltage representing a grayscale level to be provided to a display panel (160) via a source driver circuit (130) according to the temperature of an electronic device (101). For example, the grayscale level may be a grayscale level corresponding to a black color (or the first grayscale level of FIG. 1a). For convenience of explanation, each of the ranges (741), (742), and (743) of FIG. 7b may represent an example of a range of data voltages applied to a first subpixel for a first color (e.g., green (G)) among the subpixels of the display panel (160). However, the present disclosure is not limited thereto. The examples of FIG. 7b can be substantially applied to the range of data voltages applied to a second subpixel for a second color (e.g., red (R)) or a third subpixel for a third color (e.g., blue (B)) among the subpixels of the display panel (160).

[0160] Referring to FIG. 7b, the display driver IC (220) may provide a data voltage within a range (741), a range (742), or a range (743) to the display panel (160) through the source driver circuit (130) depending on the temperature of the electronic device (101). For example, the display driver IC (220) may identify the temperature of the electronic device (101). In the above example, the display driver IC (220) is described as identifying the temperature, but the present disclosure is not limited thereto. For example, at least one processor (210) may identify the temperature of the electronic device (101) and provide (or transmit) the identified temperature to the display driver IC (220).

[0161] For example, the above temperature may include a first temperature, a second temperature, or a third temperature. For example, the first temperature may be lower than the second temperature. For example, the second temperature may be lower than the third temperature. For example, the first temperature may be referred to as low temperature, the second temperature may be referred to as room temperature, and the third temperature may be referred to as high temperature.

[0162] For example, the range (741) may be a range of data voltages used when the temperature of the electronic device (101) is the first temperature. For example, the range (741) may be defined by a data voltage (741a) representing the first grayscale level (e.g., 0) and a data voltage (741b) representing the second grayscale level (e.g., 255). For example, the second grayscale level may represent a grayscale level corresponding to a white color.

[0163] For example, the range (742) may be a range of data voltages used when the temperature of the electronic device (101) is the second temperature. For example, the range (742) may be defined by a data voltage (742a) representing the first grayscale level and a data voltage (742b) representing the second grayscale level.

[0164] For example, the range (743) may be a range of data voltages used when the temperature of the electronic device (101) is the third temperature. For example, the range (743) may be defined by a data voltage (743a) representing the first grayscale level and a data voltage (743b) representing the second grayscale level.

[0165] For example, the voltage level of the data voltage (741a) of the first temperature may be lower than the voltage level of the data voltage (742a) of the second temperature. For example, the voltage level of the data voltage (742a) of the second temperature may be lower than the voltage level of the data voltage (743a) of the third temperature. In the example of FIG. 7b, each of the data voltage (741a), the data voltage (742a), and the data voltage (743a) may be applied to the first subpixel for the first color among the subpixels of the display panel (160). For example, the data voltage representing the first grayscale level applied to each of the second subpixel for the second color and the third subpixel for the third color among the subpixels of the display panel (160) may be different from the data voltages exemplified in FIG. 7b (e.g., data voltage (741a), data voltage (742a), and data voltage (743a)). For example, the data voltage representing the first grayscale level applied to each of the second subpixel for the second color and the third subpixel for the third color may be determined according to the characteristics of the transistor (or organic material) of each of the second subpixel or the third subpixel.

[0166] For example, the voltage level of the data voltage (741b) of the first temperature may correspond to (or be the same as) the voltage level of the data voltage (742b) of the second temperature and the voltage level of the data voltage (743b) of the third temperature, respectively. For example, the data voltage applied to the first subpixel for the first color may be the same regardless of temperature. In other words, the length (or size) of the range (741) may be shorter (or smaller) than the length (or size) of the range (742), and the length (or size) of the range (742) may be shorter (or smaller) than the length (or size) of the range (743). However, the present disclosure is not limited thereto. For example, the data voltage applied to the first subpixel for the first color may decrease as the temperature increases. Accordingly, the length (or size) of the range (741) may correspond (or be the same) to the length (or size) of the range (742) and the length (or size) of the range (743), respectively.

[0167] Referring to the above description, the display driving IC (220) is described as providing a data voltage adjusted equally according to the change in temperature for the entire display panel (160) (or the entire display area of ​​the display panel (160), but the present disclosure is not limited thereto. For example, the display driving IC (220) may identify the temperature of a part of the display panel (160) and the temperature of another part, and provide a data voltage adjusted according to the identified temperature to each of the display panels (160). Accordingly, the data voltage applied to the said part of the display panel (160) may be different from the data voltage applied to the said other part of the display panel (160).

[0168] Additionally, for example, the display panel (160) may be a flexible display, such as the electronic devices (292, 293, 294) of FIG. 2. In this case, the flexible display may include a display area. For example, the size of the display area of ​​the flexible display may be changed (or adjusted). For example, the display driving IC (220) may identify the temperature of a first area of ​​the electronic device (101) corresponding to a part of the display area of ​​the flexible display and the temperature of a second area of ​​the electronic device (101) corresponding to another part of the display area. For example, the display driving IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the first area, and apply the adjusted data voltage to the first display area of ​​the display panel (160) (or to subpixels corresponding to the first display area). Additionally, for example, a display driving IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the second region, and apply the adjusted data voltage to the second display region of the display panel (160) (or to subpixels corresponding to the second display region). Specific details related to this are illustrated and explained below with reference to FIGS. 13 to 15.

[0169] FIGS. 8A and FIGS. 8B illustrate examples of methods for adjusting data voltages representing grayscale levels according to conditions.

[0170] FIGS. 8a and 8b illustrate examples of a method for adjusting a data voltage representing a grayscale level according to various conditions as described above. For example, the conditions may include an update state of an image, the brightness of a display panel (160), subpixels of a display panel (160) (or characteristics of subpixels), and the temperature of an electronic device (101).

[0171] FIG. 8a illustrates an example of a method in which a display driving IC (220) adjusts a data voltage representing a grayscale level according to the update state of an image and the brightness of a display panel (160). FIG. 8b illustrates an example of a method in which a display driving IC (220) adjusts a data voltage representing a grayscale level according to subpixels of a display panel (160) and the brightness of a display panel (160). FIG. 8a and FIG. 8b are examples for convenience of explanation only and are not limited thereto. For example, the display driving IC (220) may adjust a data voltage representing a grayscale level according to the update state of an image and the temperature of an electronic device (101). Or, for example, the display driving IC (220) may adjust a data voltage representing a grayscale level according to the update state of an image, the brightness of a display panel (160), and the temperature of an electronic device (101). Alternatively, for example, the display driving IC (220) can adjust the data voltage representing the grayscale level according to the brightness of the display panel (160) and the temperature of the electronic device (101). In other words, the display driving IC (220) can adjust the data voltage representing the grayscale level based on at least one of the above conditions.

[0172] Referring to FIG. 8a, the display driving IC (220) can provide a data voltage within a range (801), a range (802), or a range (803) to the display panel (160) through the source driver circuit (130), depending on the update state of the image and the brightness of the display panel (160).

[0173] For example, the display driver IC (220) can identify the update status of the image. For example, specific details regarding identifying the update status of the image may be referenced in FIG. 4a described above. For example, the display driver IC (220) can identify the brightness of the display panel (160) to be used when the image is displayed. For example, the brightness may include a first brightness, a second brightness, or a third brightness. For example, the first brightness may be the brightness when the mode of the display panel (160) (or electronic device (101)) is HBM (high brightness mode). For example, the second brightness may be higher than the third brightness. For example, the second brightness may be the maximum brightness in a normal mode different from the HBM mode. For example, the third brightness may be the minimum brightness in the normal mode.

[0174] For example, the range (801) may be a range of data voltages used according to the update state of an image when the brightness of the display panel (160) is the first brightness. For example, the range (801) may be defined by a data voltage (441a) representing the first grayscale level (e.g., 0) and a data voltage (441b) representing the second grayscale level (e.g., 255). For example, the second grayscale level may represent a grayscale level corresponding to a white color. For example, the data voltage (441a) representing the first grayscale level may be used when the update state is in a stationary state at the first brightness. For example, the range (801) may include a data voltage (442a) representing the first grayscale level. For example, the data voltage (442a) representing the first grayscale level may be used when the update state is in a moving state at the first brightness. The voltage level of the data voltage (442a) representing the first grayscale level may be lower than the voltage level of the data voltage (441a) representing the first grayscale level. Additionally, the data voltage (441b) representing the second grayscale level may be used when the update state is in a stationary state at the first brightness. For example, the voltage level of the data voltage (441b) representing the second grayscale level may correspond to (or be the same as) the voltage level of the data voltage (442b) representing the second grayscale level to be used when the update state is in a moving state at the first brightness. Specific details regarding the range (801) may be referenced in the ranges (441, 442) of FIG. 4b.

[0175] For example, the range (802) may be a range of data voltages used according to the update state of an image when the brightness of the display panel (160) is the second brightness. For example, the range (802) may be defined by a data voltage (802a) representing the first grayscale level and a data voltage (802b) representing the second grayscale level. For example, the second grayscale level may represent a grayscale level corresponding to a white color. For example, the data voltage (802a) representing the first grayscale level may be used when the update state is in a stationary state at the second brightness. For example, the range (802) may include a data voltage (802c) representing the first grayscale level. For example, the data voltage (802c) representing the first grayscale level may be used when the update state is in a moving state at the second brightness. The voltage level of the data voltage (802c) representing the first grayscale level may be lower than the voltage level of the data voltage (802a) representing the first grayscale level. Additionally, the data voltage (802b) representing the second grayscale level may be used when the update state is in a stationary state at the second brightness. For example, the voltage level of the data voltage (802b) representing the second grayscale level may correspond to (or be identical to) the voltage level of the data voltage representing the second grayscale level to be used when the update state is in a moving state at the second brightness. For example, the voltage level of the data voltage (802b) representing the second grayscale level at the second brightness may be higher than the voltage level of the data voltage (441b) representing the second grayscale level at the first brightness.

[0176] For example, the range (803) may be a range of data voltages used according to the update state of an image when the brightness of the display panel (160) is the third brightness. For example, the range (803) may be defined by a data voltage (803a) representing the first grayscale level and a data voltage (803b) representing the second grayscale level. For example, the second grayscale level may represent a grayscale level corresponding to a white color. For example, the data voltage (803a) representing the first grayscale level may be used when the update state is in a stationary state at the third brightness. For example, the range (803) may include a data voltage (803c) representing the first grayscale level. For example, the data voltage (803c) representing the first grayscale level may be used when the update state is in a moving state at the third brightness. The voltage level of the data voltage (803c) representing the first grayscale level may be lower than the voltage level of the data voltage (803a) representing the first grayscale level. Additionally, the data voltage (803b) representing the second grayscale level may be used when the update state is in a stationary state at the third brightness. For example, the voltage level of the data voltage (803b) representing the second grayscale level may correspond to (or be the same as) the voltage level of the data voltage representing the second grayscale level to be used when the update state is in a moving state at the third brightness. For example, the voltage level of the data voltage (803b) representing the second grayscale level at the third brightness may be higher than the voltage level of the data voltage (802b) representing the second grayscale level at the second brightness.

[0177] Referring to FIG. 8b, the display driver IC (220) may provide a data voltage within a range (811), a range (812), or a range (813) to the display panel (160) through the source driver circuit (130), depending on the subpixels of the display panel (160) and the brightness of the display panel (160). For convenience of explanation, each of the ranges (811), (812), and (813) in FIG. 8b may represent an example of a range of data voltages applied to a first subpixel for a first color (e.g., green (G)) among the subpixels of the display panel (160). However, the present disclosure is not limited thereto. Referring to FIGS. 6 and FIGS. 8b, when a range (811) is applied to the first subpixel for the first color among the subpixels of the display panel (160), data voltages within a range reduced from the range (811) may be applied to the second subpixel for the second color (e.g., red (R)). In the above example, the range (811) may correspond to the range (651) of FIG. 6, and the reduced range may correspond to the range (652) of FIG. 6. Additionally, when a range (811) is applied to the first subpixel for the first color among the subpixels of the display panel (160), data voltages within another range reduced from the range (811) may be applied to the third subpixel for the third color (e.g., blue (B)). In the above example, the range (811) may correspond to the range (651) of FIG. 6, and the other reduced range may correspond to the range (653) of FIG. 6. FIG. 8b below is described based on the ranges (811, 812, 813) applied to the first subpixel for convenience of explanation.

[0178] For example, the display driver IC (220) can identify a subpixel (e.g., the first subpixel) to which a specific data voltage is to be applied among the subpixels of the display panel (160). For example, the display driver IC (220) can identify the brightness of the display panel (160) to be used when an image is displayed. For example, the brightness may include a first brightness, a second brightness, or a third brightness. For example, the first brightness may be the brightness when the mode of the display panel (160) (or electronic device (101)) is HBM (high brightness mode). For example, the second brightness may be higher than the third brightness. For example, the second brightness may be the maximum brightness in a normal mode different from the HBM mode. For example, the third brightness may be the minimum brightness in the normal mode.

[0179] For example, the range (811) may be a range of data voltages used in the first subpixel when the brightness of the display panel (160) is the first brightness. For example, the range (811) may be defined by a data voltage (651a) representing the first grayscale level (e.g., 0) and a data voltage (651b) representing the second grayscale level (e.g., 255). For example, the second grayscale level may represent a grayscale level corresponding to a white color. For example, the data voltage (651a) representing the first grayscale level may be applied to the first subpixel at the first brightness. Additionally, the data voltage (651b) representing the second grayscale level may be applied to the first subpixel at the first brightness.

[0180] As described above, although not illustrated in FIG. 8b, data voltages representing the first grayscale level that are different from the data voltage (651a) representing the first grayscale level may be applied to the second subpixel and the third subpixel. The voltage level of the data voltage representing the first grayscale level applied to the second subpixel may be different from the voltage level of the data voltage representing the first grayscale level applied to the third subpixel. Additionally, although not illustrated in FIG. 8b, data voltages representing the second grayscale level that are different from the data voltage (651b) representing the second grayscale level may be applied to the second subpixel and the third subpixel. The voltage level of the data voltage representing the second grayscale level applied to the second subpixel may be different from the voltage level of the data voltage representing the second grayscale level applied to the third subpixel.

[0181] For example, the range (812) may be a range of data voltages used in the first subpixel when the brightness of the display panel (160) is the second brightness. For example, the range (812) may be defined by a data voltage (812a) representing the first grayscale level and a data voltage (812b) representing the second grayscale level. For example, the second grayscale level may represent a grayscale level corresponding to a white color. For example, the data voltage (812a) representing the first grayscale level may be applied to the first subpixel at the second brightness. Additionally, the data voltage (812b) representing the second grayscale level may be applied to the first subpixel at the second brightness. For example, the voltage level of the data voltage (812a) representing the first grayscale level may be lower than the voltage level of the data voltage (651a) representing the first grayscale level. For example, the voltage level of the data voltage (812b) representing the second grayscale level may be higher than the voltage level of the data voltage (651b) representing the second grayscale level.

[0182] Although not illustrated in FIG. 8b, data voltages representing the first grayscale level that are different from the data voltage (812a) representing the first grayscale level may be applied to the second subpixel and the third subpixel. The voltage level of the data voltage representing the first grayscale level applied to the second subpixel may be different from the voltage level of the data voltage representing the first grayscale level applied to the third subpixel. Additionally, although not illustrated in FIG. 8b, data voltages representing the second grayscale level that are different from the data voltage (812b) representing the second grayscale level may be applied to the second subpixel and the third subpixel. The voltage level of the data voltage representing the second grayscale level applied to the second subpixel may be different from the voltage level of the data voltage representing the second grayscale level applied to the third subpixel.

[0183] For example, the range (813) may be a range of data voltages used in the first subpixel when the brightness of the display panel (160) is the third brightness. For example, the range (813) may be defined by a data voltage (813a) representing the first grayscale level and a data voltage (813b) representing the second grayscale level. For example, the second grayscale level may represent a grayscale level corresponding to a white color. For example, the data voltage (813a) representing the first grayscale level may be applied to the first subpixel at the third brightness. Additionally, the data voltage (813b) representing the second grayscale level may be applied to the first subpixel at the third brightness. For example, the voltage level of the data voltage (813a) representing the first grayscale level may be lower than the voltage level of the data voltage (812a) representing the first grayscale level. For example, the voltage level of the data voltage (813b) representing the second grayscale level may be higher than the voltage level of the data voltage (812b) representing the second grayscale level.

[0184] Although not illustrated in FIG. 8b, data voltages representing the first grayscale level that are different from the data voltage (813a) representing the first grayscale level may be applied to the second subpixel and the third subpixel. The voltage level of the data voltage representing the first grayscale level applied to the second subpixel may be different from the voltage level of the data voltage representing the first grayscale level applied to the third subpixel. Additionally, although not illustrated in FIG. 8b, data voltages representing the second grayscale level that are different from the data voltage (813b) representing the second grayscale level may be applied to the second subpixel and the third subpixel. The voltage level of the data voltage representing the second grayscale level applied to the second subpixel may be different from the voltage level of the data voltage representing the second grayscale level applied to the third subpixel.

[0185] Referring to FIGS. 8a and 8b, the display driving IC (220) can adjust a data voltage representing a grayscale level based on a plurality of conditions among the above conditions (e.g., image update state and brightness, or subpixels and brightness). However, the present disclosure is not limited thereto. For example, the display driving IC (220) can adjust a data voltage representing a grayscale level according to the priority among the conditions when a plurality of the above conditions are satisfied. For example, the display driving IC (220) can identify the priority of each of the above conditions. As a non-limiting example, the priority of the brightness of the display panel (160) among the above conditions may be the highest among the above conditions. For example, it is assumed that when the brightness is the first brightness, the voltage level of the data voltage representing the first grayscale level is the first voltage level, and when the image update state is a moving state, the voltage level of the data voltage representing the first grayscale level is the second voltage level, which is lower than the first voltage level. The display driving IC (220) can identify the first voltage level as the voltage level of the data voltage representing the first grayscale level when the brightness is the first brightness and the image update state is the moving state. For example, the display driving IC (220) can provide the data voltage having the first voltage level to the display panel (160) through the source driver circuit (130).

[0186] FIG. 9 illustrates an example of an operation flow for a method in which an electronic device adjusts a data voltage representing a grayscale level according to the update state of an image.

[0187] At least some of the above methods of FIG. 9 may be performed by the electronic device (101) of FIG. 2. For example, at least some of the above methods may be controlled by a display driving IC (220) of the electronic device (101). However, the present disclosure is not limited thereto. For example, at least some of the above methods may be controlled (or configured) by at least one processor (210) of the electronic device (101). In the following embodiments, each operation may be performed sequentially, but is not necessarily performed sequentially. For example, the order of each operation may be changed, and at least two operations may be performed in parallel.

[0188] Although not illustrated in FIG. 9, the display driver IC (220) may receive an image from at least one processor (210). For example, at least one processor (210) may transmit an image to the display driver IC (220). For example, the image reception may be performed according to a period. For example, the period may represent a time interval during which an image is provided (or transmitted) from at least one processor (210) to the display driver IC (220), regardless of whether the image is changed. The display driver IC (220) may identify the period of the image reception.

[0189] In operation (910), the display driver IC (220) may provide a first data voltage to the display panel (160) as a data voltage to indicate a grayscale level through the source driver circuit (130) while the image reception from at least one processor (210) is performed according to a first cycle. For example, the grayscale level may be a grayscale level corresponding to a black color (or the first grayscale level of FIG. 1a).

[0190] In operation (920), the display driver IC (220) can provide the display panel (160) with a second data voltage lower than the first data voltage as the data voltage for representing the grayscale level through the source driver circuit (130) while the image reception from at least one processor (210) is performed according to a second cycle shorter than the first cycle.

[0191] In the above example, the first period may be a longer period than the reference period. For example, the second period may be a shorter period than the reference period. For example, the reference period may be related to the refresh rate of the display panel (160). As a non-limiting example, the reference period may be a period corresponding to 120Hz (e.g., about 8.3ms).

[0192] The display driver IC (220) can identify the cycle as the first cycle. For example, the display driver IC (220) can identify the update state of the image as the stop state based on identifying the cycle as the first cycle, which is longer than the reference cycle. Depending on the image reception performed according to the first cycle, the display driver IC (220) can provide the first data voltage to the display panel (160) as the data voltage for the image to be displayed. For example, the first data voltage can be used to display the image through the display panel (160) (or can be applied to each of the subpixels of the display panel (160).

[0193] The display driver IC (220) can identify the cycle as the second cycle. Since the second cycle has a shorter time interval than the first cycle, a larger number of images may be provided to the display driver IC (220) for the same amount of time depending on the image reception. For example, the display driver IC (220) can identify the image update state as the moving state based on identifying the cycle, which is the second cycle, shorter than the reference cycle. Depending on the image reception performed according to the second cycle, the display driver IC (220) can provide the second data voltage to the display panel (160) as the data voltage for the image to be displayed. For example, the second data voltage may be used to display the image through the display panel (160) (or may be applied to each of the subpixels of the display panel (160).

[0194] In the above example, an example of adjusting the data voltage to indicate the grayscale level based on the above period is described, but the present disclosure is not limited thereto. For example, according to the image reception performed according to the second period, the display driving IC (220) may receive a first image to be displayed through the display panel (160) from at least one processor (210). For example, the display driving IC (220) may compare the first image with a second image being displayed through the display panel (160). The display driving IC (220) may identify whether the first image is the same as or different from the second image. Based on the first image being the same as the second image, the display driving IC (220) may provide the first data voltage to the display panel (160) as the data voltage to indicate the grayscale level of the first image through the source driver circuit (130). Alternatively, the display driver IC (220) may provide the second data voltage to the display panel (160) as the data voltage to indicate the grayscale level of the first image through the source driver circuit (130), based on the first image which is different from the second image. In other words, the display driver IC (220) may perform adjustment of the data voltage to indicate the grayscale level depending on whether there is a change between the received images, even when the cycle of receiving the image is the second cycle. For example, the adjustment of the data voltage may be performed according to the update state of the image identified depending on whether there is a change between the images. For example, if the first image is the same as the second image, the update state may be identified as the stop state.In contrast, if the first image is different from the second image, the update state may be identified as the moving state. For example, the change between the images may be based on a scroll input received with respect to the display panel (160). In this case, at least one processor (210) may receive the scroll input with respect to the display panel (160), generate the first image to be displayed after the second image, and transmit the first image to the display driver IC (220). Alternatively, for example, the change between the images may be based on the display of the image through the display panel (160). For example, the image for the image (or the file for the image) may include the second image being displayed on the display panel (160) and the first image to be displayed on the display panel (160). Accordingly, the second image and the first image may be displayed over time.

[0195] In the above example, an example is described in which the data voltage for indicating the grayscale level is adjusted based on the change in the period and image (or, the update state of the image), but the present disclosure is not limited thereto. For example, the display driving IC (220) may adjust the data voltage for indicating the grayscale level based further on the size of the image to be displayed. In the above example, the display driving IC (220) may determine whether the size of the first image to be displayed on the display area of ​​the display panel (160) exceeds a reference size based on the first image which is different from the second image. For example, the display driving IC (220) may provide the first data voltage to the display panel (160) as the data voltage for indicating the grayscale level of the first image through the source driver circuit (130) as determined that the size of the first image is less than or equal to the reference size. In contrast, the display driving IC (220) can provide the second data voltage to the display panel (160) as the data voltage to indicate the grayscale level of the first image through the source driver circuit (130) as determined that the size of the first image exceeds the reference size. In other words, the display driving IC (220) can perform adjustment of the data voltage to indicate the grayscale level according to the size of the image to be displayed when an image changed from a previously displayed image is displayed.

[0196] In the above example, an example is described in which the data voltage for representing the grayscale level is adjusted based on the change in the period and image (or, the update state of the image), but the present disclosure is not limited thereto. For example, the display driving IC (220) may adjust the data voltage for representing the grayscale level based further on the display position of the image to be displayed. In the above example, the display driving IC (220) may determine whether the display position of the first image to be displayed on the display area of ​​the display panel (160) is an edge portion of the display area based on the first image which is different from the second image. As an example without limitation, the edge portion may include an end of the display area of ​​the display panel (160) or a corner of the display area. For example, the display driver IC (220) may provide the first data voltage to the display panel (160) through the source driver circuit (130) as the data voltage to represent the grayscale level of the first image, as determined that the display position of the first image is the edge portion of the display area. Alternatively, the display driver IC (220) may provide the second data voltage to the display panel (160) through the source driver circuit (130) as the data voltage to represent the grayscale level of the first image, as determined that the display position of the first image is not the edge portion of the display area. As an example without limitation, determining that the display position is not the edge portion of the display area may include determining that the display position is the center portion of the display area.

[0197] In the above example, an example of adjusting the data voltage to indicate the grayscale level based on the change in the period and image (or, the update state of the image) is described, but the present disclosure is not limited thereto. For example, the display driver IC (220) may adjust the data voltage to indicate the grayscale level based further on conditions. For example, the conditions may include the update state of the image, the brightness of the display panel (160), the subpixels of the display panel (160) (or characteristics of the subpixels), and the temperature of the electronic device (101). In the example of FIG. 9, the data voltage to indicate the grayscale level may be adjusted based further on the brightness, the subpixels, and the temperature, in addition to the update state of the image. A method of adjusting the data voltage to indicate the grayscale level based on the brightness may be referenced to FIG. 5a and FIG. 5b described above. Additionally, regarding a method for adjusting the data voltage to indicate the grayscale level based on the subpixels, reference may be made to FIG. 6 described above. Additionally, regarding a method for adjusting the data voltage to indicate the grayscale level based on the temperature, reference may be made to FIG. 7a and FIG. 7b described above.

[0198] FIG. 10a illustrates examples of grayscale levels displayed as the data voltage representing the grayscale level is adjusted.

[0199] Referring to FIG. 10a, examples are shown of an image (1000) containing grayscale levels displayed by using a fixed data voltage representing a grayscale level of black color (e.g., the first grayscale level of FIG. 1a) and an image (1005) containing grayscale levels displayed by adjusting the data voltage representing the grayscale level of black color. In FIG. 10a, for convenience of explanation, the grayscale levels for representing the image (1000) and the image (1005) are shown as being distinguished into 10 grayscale levels (e.g., 0 to 9), but embodiments of the present disclosure are not limited thereto. For example, the grayscale levels that can be displayed in the image (1000) and the image (1005) may include 10 or more grayscale levels (e.g., 0 to 255).

[0200] The image (1000) of FIG. 10a may correspond to the image (180) of FIG. 1b. Specific details regarding the image (1000) may be referenced to the details regarding the image (180) of FIG. 1b. For example, the first part (181), the second part (182), and the third part (183) of the image (1000) may not be substantially distinguishable as a fixed data voltage is used regardless of luminance and subpixels, even though they have different grayscale levels.

[0201] Referring to FIG. 10a, the first part (1081) may have the lowest grayscale level (e.g., 0) among the grayscale levels for representing the image (1005). For example, the grayscale level of the first part (1081) may be the first grayscale level. For example, the second part (1082) of the image (1005) may have a higher grayscale level (e.g., 1) than the grayscale level of the first part (1081). For example, the third part (1083) of the image (1005) may have a higher grayscale level (e.g., 2) than the grayscale level of the first part (1081). For example, the fourth part (1084) of the image (1005) may have a lower grayscale level (e.g., 8) than the grayscale level of the fifth part (1085). For example, the fifth part (1085) of the image (1005) may be the highest grayscale level (e.g., 9) (or the second grayscale level) among the grayscale levels for representing the image (1005). In other words, the grayscale levels of the image (1005) may gradually increase from the first part (1081) to the fifth part (1085).

[0202] Referring to FIG. 10a, by adjusting the data voltage representing a black color gradation level (e.g., the first gradation level of FIG. 1a), the first part (1081), the second part (1082), and the third part (1083) of the image (1005) can be distinguished relatively more clearly compared to the first part (181), the second part (182), and the third part (183) of the image (1000).

[0203] FIG. 10b illustrates an example of a drag effect that is removed as the data voltage representing the grayscale level is adjusted.

[0204] Referring to FIG. 10b, examples are shown of an image (1091) having a drag effect (or afterimage) caused by using a fixed data voltage representing a black color gradation level (e.g., the first gradation level of FIG. 1a) and an image (1092) in which the drag effect is removed by adjusting the data voltage representing the black color gradation level.

[0205] The image (1091) of FIG. 10b may correspond to the image (192) of FIG. 1c. Specific details regarding the image (1091) may be referenced from the details regarding the image (192) of FIG. 1c. For example, a drag effect may be induced within the image (1091). For example, the image (1091) may include a black line (195) and a gradient portion (197) extending from the line (195).

[0206] In contrast, referring to FIG. 10b, the drag effect in the image can be removed by adjusting the data voltage representing the black color gradation level (e.g., the first gradation level in FIG. 1a). The display driving IC (220) can display the image (1092) with the drag effect removed through the display panel (160) according to the adjustment of the data voltage. For example, the image (1092) may include a black color line (195), but unlike the image (1091), it may not include a gradient portion (197) extending from the line (195).

[0207] FIG. 11 is a block diagram of an electronic device in a network environment according to various embodiments.

[0208] Referring to FIG. 11, in a network environment (1100), an electronic device (1101) may communicate with an electronic device (1102) through a first network (1198) (e.g., a short-range wireless communication network) or with at least one of an electronic device (1104) or a server (1108) through a second network (1199) (e.g., a long-range wireless communication network). According to one embodiment, the electronic device (1101) may communicate with the electronic device (1104) through a server (1108). According to one embodiment, the electronic device (1101) may include a processor (1120), memory (1130), input module (1150), sound output module (1155), display module (1160), audio module (1170), sensor module (1176), interface (1177), connection terminal (1178), haptic module (1179), camera module (1180), power management module (1188), battery (1189), communication module (1190), subscriber identification module (1196), or antenna module (1197). In some embodiments, at least one of these components (e.g., connection terminal (1178)) may be omitted from the electronic device (1101), or one or more other components may be added. In some embodiments, some of these components (e.g., sensor module (1176), camera module (1180), or antenna module (1197)) may be integrated into a single component (e.g., display module (1160)).

[0209] The processor (1120) can, for example, execute software (e.g., program (1140)) to control at least one other component (e.g., hardware or software component) of the electronic device (1101) connected to the processor (1120) and perform various data processing or operations. According to one embodiment, as at least part of the data processing or operations, the processor (1120) can store commands or data received from other components (e.g., sensor module (1176) or communication module (1190)) in volatile memory (1132), process the commands or data stored in volatile memory (1132), and store the resulting data in non-volatile memory (1134). According to one embodiment, the processor (1120) may include a main processor (1121) (e.g., a central processing unit or an application processor) or an auxiliary processor (1123) 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 (1101) includes a main processor (1121) and an auxiliary processor (1123), the auxiliary processor (1123) may be configured to use less power than the main processor (1121) or to be specialized for a designated function. The auxiliary processor (1123) may be implemented separately from the main processor (1121) or as part thereof.

[0210] The auxiliary processor (1123) may control at least some of the functions or states associated with at least one component of the electronic device (1101) (e.g., display module (1160), sensor module (1176), or communication module (1190)) on behalf of the main processor (1121) while the main processor (1121) is in an inactive (e.g., sleep) state, or together with the main processor (1121) while the main processor (1121) is in an active (e.g., application execution) state. According to one embodiment, the auxiliary processor (1123) (e.g., image signal processor or communication processor) may be implemented as part of another functionally related component (e.g., camera module (1180) or communication module (1190)). According to one embodiment, the auxiliary processor (1123) (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 (1101) itself where the artificial intelligence model is executed, or through a separate server (e.g., server (1108)). 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.

[0211] The memory (1130) can store various data used by at least one component of the electronic device (1101) (e.g., processor (1120) or sensor module (1176)). The data may include, for example, software (e.g., program (1140)) and input or output data for related commands. The memory (1130) may include volatile memory (1132) or non-volatile memory (1134).

[0212] The program (1140) may be stored as software in memory (1130) and may include, for example, an operating system (1142), middleware (1144), or an application (1146).

[0213] The input module (1150) can receive commands or data to be used for a component of the electronic device (1101) (e.g., processor (1120)) from outside the electronic device (1101) (e.g., user). The input module (1150) 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).

[0214] The sound output module (1155) can output a sound signal to the outside of the electronic device (1101). The sound output module (1155) 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.

[0215] The display module (1160) can visually provide information to an external (e.g., user) of the electronic device (1101). The display module (1160) 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 (1160) 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.

[0216] The audio module (1170) can convert sound into an electrical signal or, conversely, convert an electrical signal into sound. According to one embodiment, the audio module (1170) can acquire sound through the input module (1150) or output sound through the sound output module (1155) or an external electronic device (e.g., electronic device (1102)) (e.g., speaker or headphones) connected directly or wirelessly to the electronic device (1101).

[0217] The sensor module (1176) can detect the operating state of the electronic device (1101) (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 (1176) 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.

[0218] The interface (1177) may support one or more specified protocols that can be used for the electronic device (1101) to be connected directly or wirelessly to an external electronic device (e.g., electronic device (1102)). According to one embodiment, the interface (1177) may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

[0219] The connection terminal (1178) may include a connector through which the electronic device (1101) can be physically connected to an external electronic device (e.g., electronic device (1102)). According to one embodiment, the connection terminal (1178) may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (e.g., a headphone connector).

[0220] The haptic module (1179) can convert an electrical signal into a mechanical stimulus (e.g., vibration or movement) or an electrical stimulus that can be perceived by the user through tactile or kinesthetic senses. According to one embodiment, the haptic module (1179) may include, for example, a motor, a piezoelectric element, or an electric stimulation device.

[0221] The camera module (1180) can capture still images and video. According to one embodiment, the camera module (1180) may include one or more lenses, image sensors, image signal processors, or flashes.

[0222] The power management module (1188) can manage power supplied to the electronic device (1101). According to one embodiment, the power management module (1188) can be implemented, for example, as at least part of a power management integrated circuit (PMIC).

[0223] The battery (1189) can supply power to at least one component of the electronic device (1101). According to one embodiment, the battery (1189) may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.

[0224] The communication module (1190) can support the establishment of a direct (e.g., wired) communication channel or a wireless communication channel between an electronic device (1101) and an external electronic device (e.g., electronic device (1102), electronic device (1104), or server (1108)), and the performance of communication through the established communication channel. The communication module (1190) may include one or more communication processors that operate independently of the processor (1120) (e.g., application processor) and support direct (e.g., wired) communication or wireless communication. According to one embodiment, the communication module (1190) may include a wireless communication module (1192) (e.g., cellular communication module, short-range wireless communication module, or GNSS (global navigation satellite system) communication module) or a wired communication module (1194) (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 (1104) through a first network (1198) (e.g., a short-range communication network such as Bluetooth, WiFi (wireless fidelity) direct, or IrDA (infrared data association)) or a second network (1199) (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 (1192) can identify or authenticate the electronic device (1101) within a communication network such as the first network (1198) or the second network (1199) using subscriber information (e.g., International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module (1196).

[0225] The wireless communication module (1192) 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 (1192) can support a high-frequency band (e.g., mmWave band) to achieve a high data transmission rate, for example. The wireless communication module (1192) 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 (1192) can support various requirements specified in the electronic device (1101), external electronic device (e.g., electronic device (1104)), or network system (e.g., second network (1199)). According to one embodiment, the wireless communication module (1192) 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.

[0226] An antenna module (1197) 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 (1197) 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 (1197) 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 (1198) or a second network (1199), may be selected from the plurality of antennas, for example, by a communication module (1190). A signal or power may be transmitted or received between the communication module (1190) 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 (1197).

[0227] According to various embodiments, the antenna module (1197) 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.

[0228] 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.

[0229] According to one embodiment, commands or data may be transmitted or received between the electronic device (1101) and an external electronic device (1104) through a server (1108) connected to a second network (1199). Each of the external electronic devices (1102, or 1104) may be the same or a different type of device as the electronic device (1101). According to one embodiment, all or part of the operations performed on the electronic device (1101) may be performed on one or more of the external electronic devices (1102, 1104, or 1108). For example, if the electronic device (1101) needs to perform a function or service automatically or in response to a request from a user or another device, the electronic device (1101) 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 (1101). The electronic device (1101) 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 (1101) may provide ultra-low latency services using, for example, distributed computing or mobile edge computing. In one embodiment, the external electronic device (1104) may include an Internet of Things (IoT) device. The server (1108) may be an intelligent server using machine learning and / or neural networks.According to one embodiment, an external electronic device (1104) or server (1108) may be included within the second network (1199). The electronic device (1101) may be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

[0230] FIG. 12 is a block diagram of a display module according to various embodiments.

[0231] Referring to FIG. 12, the display module (1160) may include a display panel (1210) and a display driver IC (DDI) (1230) for controlling it. The DDI (1230) may include an interface module (1231), a memory (1233) (e.g., a buffer memory), an image processing module (1235), or a mapping module (1237). The DDI (1230) 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 (1101) through the interface module (1231). For example, according to one embodiment, image information may be received from a processor (1120) (e.g., main processor (1121) (e.g., application processor)) or an auxiliary processor (1123) (e.g., graphics processing unit) that operates independently of the functions of the main processor (1121). The DDI (1230) may communicate with the touch circuit (1250) or sensor module (1176), etc., through the interface module (1231). Additionally, the DDI (1230) may store at least a portion of the received image information in memory (1233), for example, in frame units. The image processing module (1235) may perform preprocessing or postprocessing (e.g., resolution, brightness, or size adjustment) on at least a portion of the image data based at least on the characteristics of the image data or the characteristics of the display panel (1210), for example. The mapping module (1237) may obtain voltage values ​​or current values ​​corresponding to the image data preprocessed or postprocessed through the image processing module (1235). It can be generated. According to one embodiment, the generation of a voltage value or a current value can be performed, for example, based at least in part on the properties of the pixels of the display panel (1210) (e.g., array of pixels (RGB stripe or pentile structure), or the size of each of the subpixels).At least some pixels of the display panel (1210) 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 (1210).

[0232] According to one embodiment, the display module (1160) may further include a touch circuit (1250). The touch circuit (1250) may include a touch sensor (1251) and a touch sensor IC (1253) for controlling the same. The touch sensor IC (1253) may control the touch sensor (1251) to detect a touch input or hovering input for a specific location on the display panel (1210), for example. For example, the touch sensor IC (1253) 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 (1210). The touch sensor IC (1253) may provide information regarding the detected touch input or hovering input (e.g., location, area, pressure, or time) to the processor (1120). According to one embodiment, at least a part of the touch circuit (1250) (e.g., touch sensor IC (1253)) may be included as part of the display driver IC (1230) or the display panel (1210), or as part of another component (e.g., auxiliary processor (1123)) placed outside the display module (1160).

[0233] According to one embodiment, the display module (1160) may further include at least one sensor (e.g., fingerprint sensor, iris sensor, pressure sensor, or light sensor) of the sensor module (1176) 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 (1160) (e.g., display panel (1210) or DDI (1230)) or a part of the touch circuit (1250). For example, if the sensor module (1176) embedded in the display module (1160) includes a biometric sensor (e.g., fingerprint sensor), the biometric sensor may acquire biometric information (e.g., fingerprint image) associated with a touch input through a part of the display panel (1210). As another example, if the sensor module (1176) embedded in the display module (1160) includes a pressure sensor, the pressure sensor can obtain pressure information associated with a touch input through a part or the entire area of ​​the display panel (1210). According to one embodiment, the touch sensor (1251) or the sensor module (1176) may be placed between pixels of a pixel layer of the display panel (1210), or above or below the pixel layer.

[0234] FIG. 13 illustrates an example of an exemplary rollable electronic device.

[0235] Referring to FIG. 13, the electronic device (101) may include a display (1330), a first housing (1310), and / or a second housing (1320). The electronic device (101) of FIG. 13 may represent an example of the electronic device (101) of FIG. 1a, the electronic device (101) of FIG. 2, or the electronic device (294) of FIG. 2. For example, the display (1330) of FIG. 13 may include a display panel (160) of the electronic device (101).

[0236] For example, the first housing (1310) may be referred to as the first housing part. The second housing (1320) may be referred to as the second housing part. For example, the electronic device (101) may include a housing comprising the first housing part and the second housing part.

[0237] According to one embodiment, the first housing (1310) may accommodate at least a portion of the second housing (1320). The first housing (1310) may wrap (or surround) at least a portion of the second housing (1320).

[0238] According to one embodiment, the second housing (1320) may be movable relative to the first housing (1310). The second housing (1320) may be movable linearly relative to the first housing (1310). The second housing (1320) may be slidable relative to the first housing (1310). For example, the second housing (1320) may be movable along a first direction (d1) and / or a second direction (d2) opposite to the first direction (d1) relative to the first housing (1310). As the second housing (1320) moves along the first direction (d1), the second housing (1320) may slide out of the first housing (1310). As the second housing (1320) moves in the second direction (d2), the second housing (1320) may slide into the interior of the first housing (1310). The state of the electronic device (101) may be changed by the movement of the second housing (1320) relative to the first housing (1310). The state of the electronic device (101) may include a slide-in state and / or a slide-out state. In the slide-in state of the electronic device (101), the second housing (1320) may be movable in the first direction (d1) among the first direction (d1) and the second direction (d2) relative to the first housing (1310). For example, in the slide-in state of the electronic device (101), the second housing (1320) may be movable only in the first direction (d1). In the slide-out state of the electronic device (101), the second housing (1320) may be movable in the second direction (d2) among the first direction (d1) and the second direction (d2) relative to the first housing (1310). For example, within the slide-out state of the electronic device (101), the second housing (1320) may be movable only in the second direction (d2).

[0239] According to one embodiment, the display (1330) may be placed on the second housing (1320). The display (1330) may be movable relative to the first housing (1310) by the movement of the second housing (1320) relative to the first housing (1310). For example, the display (1330) may be moved from inside the first housing (1310) to outside the first housing (1310) by the movement of the second housing (1320) in a first direction (d1). For example, the size of the electronic device (101) visually exposed outside the first housing (1310) within the slide-out state of the electronic device (101) may be maximum. For example, the display (1330) can be moved from the outside of the first housing (1310) to the inside of the first housing (1310) by moving the second housing (1320) in the second direction (d2). For example, the display (1330) can be rolled into the inside of the first housing (1310) from the outside of the first housing (1310) by moving the second housing (1320) in the second direction (d2).

[0240] According to one embodiment, the first planar portion (1331) may be disposed on the second housing (1320). The shape of the first planar portion (1331) may be maintained independently of the movement of the second housing (1320) relative to the first housing (1310). The first planar portion (1331) may not be deformed by the movement of the second housing (1320) relative to the first housing (1310). The first planar portion (1331) may be visually exposed to the outside of the first housing (1310) independently of the movement of the second housing (1320) relative to the first housing (1310).

[0241] According to one embodiment, the second planar portion (1332) may be connected to the first planar portion (1331) by a folding portion. The second planar portion (1332) may be spaced apart from the first planar portion (1331). The second planar portion (1332) may be located (or accommodated) inside the first housing (1310) and the second housing (1320) within the slide-in state of the electronic device (101). At least a portion of the second planar portion (1332) may be visually located (or exposed) outside the first housing (1310) and the second housing (1320) within the slide-out state of the electronic device (101). FIG. 13 illustrates a case where the second planar portion (1332) is expanded as the second housing (1320) moves in the first direction (d1) and the second planar portion (1332) is reduced as the second housing (1320) moves in the second direction (d2), but the present disclosure is not limited thereto. As an example that is not limited thereto, the second planar portion (1332) may be reduced as the second housing (1320) moves in the first direction (d1) and the second planar portion (1332) may be reduced as the second housing (1320) moves in the second direction (d2). Alternatively, as a non-limiting example, the electronic device (101) may further include a second housing (1320) located on the side of a first direction (d1) with respect to a first housing (1310) and a third housing located on the side of a second direction (d2) with respect to the first housing (1310). For example, a second planar portion (1332) may be extended in accordance with the movement of the second housing (1320) in the first direction (d1), and a second planar portion (1332) may be extended in accordance with the movement of the third housing in the second direction (d2). In other words, the electronic device (101) may include a housing that is movable in both directions.

[0242] According to one embodiment, the folding portion may be positioned between the first planar portion (1331) and the second planar portion (1332). The shape of at least a portion of the folding portion may change according to a change in the state of the electronic device (101). For example, at least a portion of the folding portion may be drawn out to the outside of the first housing (1310) by moving the second housing (1320) in the first direction (d1) relative to the first housing (1310). By being drawn out to the outside of the first housing (1310), at least a portion of the folding portion may have a shape substantially parallel to the first planar portion (1331). For example, at least a portion of the folding portion may be rolled into the inside of the first housing (1310) by moving the second housing (1310) in the second direction (d2) relative to the first housing (1310). At least a portion of the folding portion may have a curved shape relative to the first planar portion (1331) by being rolled into the interior of the first housing (1310).

[0243] According to one embodiment, in the slide-in state of the electronic device (101), the size of the display area of ​​the externally visible display (1330) may be minimal. For example, in the slide-in state of the electronic device (101), only the first flat portion (1331) may be exposed. The position of the second housing (1320) relative to the first housing (1310) while the electronic device (101) is in the slide-in state may be referred to as a reduced position. In the slide-out state of the electronic device (101), the size of the display area of ​​the externally visible display (1330) may be maximum. For example, in the slide-out state of the electronic device (101), at least a portion of the first flat portion (1331), the folding portion, and the second flat portion (1332) may be visually exposed. However, it is not limited thereto. For example, within the slide-out state of the electronic device (101), the second planar portion (1332) may not be visually exposed to the outside of the first housing (1310). The position of the second housing (1320) relative to the first housing (1310) while the state of the electronic device (101) is in the slide-out state may be referred to as an extended position.

[0244] For example, while the state of the electronic device (101) changes from the slide-in state to the slide-out state (or from the slide-out state to the slide-in state), the display area of ​​the display (1330) may include a first display area (e.g., a display area corresponding to the first planar portion (1331)) and a second display area extending from the first display area (e.g., a display area corresponding to the second planar portion (1332)). For example, the display driving IC (220) may identify the temperature of the first area of ​​the electronic device (101) corresponding to the first display area of ​​the display (1330) (e.g., the first planar portion (1331)) and the temperature of the second area of ​​the electronic device (101) corresponding to the second display area (e.g., the second planar portion (1332)).

[0245] As a non-limiting example, the display driver IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the first region during the change from the slide-in state to the slide-out state, and apply the adjusted data voltage to the first display region of the display (1330) (or to subpixels corresponding to the first display region). Additionally, for example, the display driver IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the second region, and apply the adjusted data voltage to the second display region of the display (1330) (or to subpixels corresponding to the second display region).

[0246] As a non-limiting example, the display driver IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the second region from the point at which the change from the slide-in state to the slide-out state begins, and apply the adjusted data voltage to the second display region of the display (1330) (or to subpixels corresponding to the second display region). For example, the display driver IC (220) may display an image through the first display region of the display (1330) in the slide-in state and then begin to change from the slide-in state to the slide-out state. When the change to the slide-out state begins, the temperature of the first region (e.g., the first flat section (1331)) corresponding to the first display region of the display (1330) may be different from the temperature of the second region (e.g., the second flat section (1332)) of the electronic device (101) corresponding to the second display region. Accordingly, the display driver IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) from the point in time when the slide-out state begins to change, and apply the adjusted data voltage to the second display area of ​​the display (1330) (or to subpixels corresponding to the second display area). As an example, but not limited to, the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the second display area may be different from the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the first display area.

[0247] As a non-limiting example, the display driver IC (220) may, after the change from the slide-in state to the slide-out state is completed, readjust the data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the second region, and apply the readjusted data voltage to the second display region of the display (1330) (or to subpixels corresponding to the second display region). For example, when an image is displayed on the first display region and the second display region of the display (1330) for a preset time from the point of change to the slide-out state, the temperature of the first region (e.g., the first flat section (1331)) corresponding to the first display region of the display (1330) may correspond to the temperature of the second region (e.g., the second flat section (1332)) of the electronic device (101) corresponding to the second display region. Accordingly, the display driver IC (220) may readjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) when displaying an image on the first display area and the second display area of ​​the display (1330) for the preset time from the point in time when the slide-out state is changed, and apply the readjusted data voltage to the second display area of ​​the display (1330) (or to subpixels corresponding to the second display area). As a non-limiting example, the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the second display area may be the same as the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the first display area. For example, the completion of the change from the slide-in state to the slide-out state may be at a point in time after the preset time from the point in time when the slide-out state is changed.

[0248] FIGS. 14a and FIGS. 14b illustrate examples of exemplary foldable electronic devices.

[0249] FIG. 14a illustrates an unfolded state of an exemplary electronic device according to one embodiment. FIG. 14b illustrates a folded state of an exemplary electronic device according to one embodiment. The electronic device (101) of FIG. 14a and FIG. 14b may be referred to as a foldable electronic device. The electronic device (101) of FIG. 14a and FIG. 14b may be an example of the electronic device (101) of FIG. 1a, the electronic device (101) of FIG. 2, or the electronic device (292) of FIG. 2. For example, the display (1430) of FIG. 14a and FIG. 14b may include a display panel (160) of the electronic device (101).

[0250] Referring to FIG. 14a and FIG. 14b, an electronic device (101) according to one embodiment may include a first housing (1410), a second housing (1420), and / or a folding housing (1435). For example, the first housing (1410) may be referred to as a first housing part. For example, the second housing (1420) may be referred to as a second housing part. For example, the folding housing (1435) may be referred to as a hinge structure.

[0251] According to one embodiment, a display (1430) may be disposed on a first housing (1410) and a second housing (1420) across a folding housing (1435). A display (1430) may be disposed on a first surface (1431) and a second surface (1432) across the folding housing (1435). For example, an area of ​​the display (1430) disposed on the first surface (1431) may be referred to as a first display part or a first area. For example, an area of ​​the display (1430) disposed on the second surface (1432) may be referred to as a second display part or a second area. For example, the display (1430) may include a bending area (or a third display part, a bending part) that can be bent between the first area and the second area. For example, the bending area may represent an area of ​​the display (1430) corresponding to the folding housing (1435).

[0252] For example, referring to FIG. 14a, the electronic device (101) may be in the unfolded state in which the first housing (1410) and the second housing (1420) are fully folded out by a folding housing (e.g., the folding housing (1435) of FIG. 14b). According to one embodiment, the unfolded state may mean a state in which the first direction (1441) toward which the first surface (1431) of the first housing (1410) faces corresponds to the second direction (1442) toward which the second surface (1432) of the second housing (1420) faces. For example, in the unfolded state, the first direction (1441) may be substantially parallel to the second direction (1442). For example, in the unfolded state, the first direction (1441) may be the same as the second direction (1442). According to one embodiment, in the unfolded state, the first surface (1431) may form substantially one flat surface with the second surface (1432). According to one embodiment, in the unfolded state, the angle (1433) between the first surface (1431) and the second surface (1432) may be approximately 180 degrees. According to one embodiment, the unfolded state may mean a state in which the entire display area of ​​the display (1430) can be provided on substantially one flat surface. For example, in the unfolded state, the display area of ​​the display (1430) may not include a curved surface. The unfolded state may be referred to as an outspread state or outspreading state.

[0253] For example, referring to FIG. 14b, the electronic device (101) may provide the folded state in which the first housing (1410) and the second housing (1420) are folded in by the folding housing (1435). According to one embodiment, the folded state may mean a state in which the first direction (1441) facing the first surface (1431) (not shown in FIG. 14b) is distinguished from the second direction (1442) facing the second surface (1432) (not shown in FIG. 14b). For example, in the folded state, the angle between the first direction (1441) and the second direction (1442) is substantially approximately 180 degrees, so that the first direction (1441) and the second direction (1442) can be distinguished from each other. For example, in the folded state, the angle (1457) between the first surface (1431) and the second surface (1432) may be substantially 0 degrees. The folded state may be referred to as a folded state. For example, the electronic device (101) may provide a folded state in which the first surface (1431) and the second surface (1432) face each other by means of a folding housing (1435), so that the display area of ​​the display (1430) corresponding to the first surface (1431) (not shown in FIG. 14b) is substantially completely overlapped with the display area of ​​the display (1430) (not shown in FIG. 14b) corresponding to the second surface (1432). For example, the electronic device (101) may provide a folded state in which the first direction (1441) is substantially opposite to the second direction (1442). As another example, the folding state may mean a state in which the display area of ​​the display (1430) is obscured within the field of view of a user looking at the electronic device (101). However, it is not limited to this.

[0254] According to one embodiment, the display (1430) may be bent by rotation provided through the folding housing (1435). For example, in the folding state, a portion of the display area of ​​the display (1430) may be bent. For example, the portion of the display area of ​​the display (1430) may be in a curved state to prevent damage to the display (1430) in the folding state. However, it is not limited thereto.

[0255] For example, at least one processor (210) can identify the angle between the first direction (1441) toward which the first surface (1431) of the first housing (1410) faces and the second direction (1442) toward which the second surface (1432) of the second housing (1420) faces, through a Hall sensor in the electronic device (101), a rotation sensor in the folding housing (1435), and / or a stretch sensor in the electronic device (101).

[0256] Meanwhile, the first housing (1410) may include a display (1450), which is a cover display, on a third surface (1455) opposite to the first surface (1431). For example, the display (1450) may be used to provide visual information within the folding state in which the display area (e.g., first area, second area, bending area) of the display (1430) is not visible.

[0257] For example, while the state of the electronic device (101) changes from the folding state to the unfolded state (or from the unfolded state to the folding state), the display area for displaying the image may change from the display area of ​​the display (1450) to the display area of ​​the display (1430). For example, the display driving IC (220) may identify the temperature of the first area of ​​the electronic device (101) corresponding to the display area of ​​the display (1450) (e.g., the first housing (1410)) and the temperature of the second area of ​​the electronic device (101) corresponding to the display area of ​​the display (1430) (e.g., the first housing (1410) and the second housing (1420)).

[0258] As a non-limiting example, the display driver IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the display area of ​​the display (1450) during the change from the folding state to the unfolding state, and apply the adjusted data voltage to the display area of ​​the display (1450) (or to subpixels corresponding to the display area of ​​the display (1450). Additionally, for example, the display driver IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the display area of ​​the display (1430), and apply the adjusted data voltage to the display area of ​​the display (1430) (or to subpixels corresponding to the display area of ​​the display (1430).

[0259] As a non-limiting example, the display driver IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the second region from the point in time when the change from the folding state to the unfolding state begins, and apply the adjusted data voltage to the display area of ​​the display (1430) (or to subpixels corresponding to the display area of ​​the display (1430). For example, the display driver IC (220) may start the change from the folding state to the unfolding state after displaying an image through the display area of ​​the display (1450) in the folding state. When the display (1430) begins to change to the unfolded state, the temperature of a part of the second region (e.g., the first housing (1410)) corresponding to a part of the display area (1430) corresponding to the first housing (1410) may be different from the temperature of another part of the second region (e.g., the second housing (1420)) of the electronic device (101) corresponding to a part of the display area (1430) corresponding to the second housing (1420) corresponding to the other part of the display area (1430). Accordingly, the display driving IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) from the point in time when the display (1430) begins to change to the unfolded state, and apply the adjusted data voltage to the other part of the display area (or to subpixels). As a non-limiting example, the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the other part of the display area of ​​the display (1430) may be different from the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the part of the display area of ​​the display (1430).

[0260] As a non-limiting example, the display driver IC (220) may, after the change from the folding state to the unfolded state is completed, readjust the data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the second region of the electronic device (101), and apply the readjusted data voltage to the other part of the display area of ​​the display (1430) (or to subpixels). For example, when an image is displayed for a preset time on the part of the display area of ​​the display (1430) and the other part of the display area of ​​the display (1430) from the time of the change to the unfolded state, the temperature of the first region corresponding to the part of the display (1430) may correspond to the temperature of the second region of the electronic device (101) corresponding to the other part of the display (1430). Accordingly, the display driver IC (220) may readjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) and apply the readjusted data voltage to the other part of the display (1430) (or to subpixels) when displaying an image on the part and the other part of the display area of ​​the display (1430) for the preset time from the point in time when the display was changed to the unfolded state. As an example without limitation, the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the other part of the display (1430) may be the same as the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the part of the display (1430). For example, the completion of the change from the folding state to the unfolded state may be at a point in time after the preset time from the point in time when the display was changed to the unfolded state.

[0261] FIG. 15 illustrates an example of an exemplary multi-foldable electronic device.

[0262] Referring to FIG. 15, an electronic device (101) that is a multi-foldable electronic device of a first type (1500a) and an electronic device (101) that is a multi-foldable electronic device of a second type (1500b) are shown. The electronic device (101) of FIG. 15 may represent an example of the electronic device (101) of FIG. 1a, the electronic device (101) of FIG. 2, or the electronic device (293) of FIG. 2. For example, the display (1530) of FIG. 15 may include a display panel (160) of the electronic device (101).

[0263] For example, in the first type (1500a) electronic device (101), when the display (1530) is in a folded state (or folded state), the housing (1510) of the electronic device (101) may have a G (or e) (or P) shape when viewed from one side of the electronic device (101). In contrast, in the second type (1500b) electronic device (101), when the display (1530) is in a folded state (or folded state), the housing (1510) of the electronic device (101) may have a Z shape when viewed from one side of the electronic device (101).

[0264] Referring to FIG. 15, the electronic device (101) may include a first housing (1511), a second housing (1512), a third housing (1513), a first hinge structure, a second hinge structure, and a display (1530). The first housing (1511) may be rotatably coupled to the second housing (1512) through a first hinge structure. For example, the first housing (1511) and the second housing (1512) may rotate about the first folding axis through a first hinge structure arranged along the first folding axis. The third housing (1513) may be rotatably coupled to the second housing (1512) through a second hinge structure. For example, the second housing (1512) and the third housing (1513) can rotate about the second folding axis through a second hinge structure arranged along the second folding axis.

[0265] A display (1530) may form at least a portion of the exterior of an electronic device (101). The display (1530) may be partially disposed within a first housing (1511), a second housing (1512), and a third housing (1513). The display (1530) may define the front of the electronic device (101) by forming one side of the first housing (1511), one side of the second housing (1512), and one side of the third housing (1513). The display (1530) may include an area where a front camera is located. The area of ​​the display (1530) may include an opening for the front camera. However, it is not limited thereto, and the front camera may be placed below an area corresponding to the area of ​​the display (1530). The display (1530) can provide visual information to the user through the area, and the front camera can acquire an image of an external object located in a direction facing the front of the electronic device (101) through the area of ​​the display (1530).

[0266] The display (1530) may include a first planar portion, a second planar portion, a third planar portion, a first deformed portion, and a second deformed portion. The first planar portion of the display (1530) may be disposed on one side of the first housing (1511). The second planar portion of the display (1530) may be disposed on one side of the second housing (1512). The third planar portion of the display (1530) may be disposed on one side of the third housing (1513). The first deformed portion of the display (1530) may be located between the first planar portion of the display (1530) and the second planar portion of the display (1530). For example, the first deformed portion of the display (1530) may be disposed on a first hinge structure connecting the first housing (1511) and the second housing (1512). A second deformation portion of the display (1530) may be positioned between a second planar portion of the display (1530) and a third planar portion of the display (1530). For example, the second deformation portion may be positioned on a second hinge structure connecting a second housing (1512) and a third housing (1513).

[0267] For example, a first display area (1531) of the display (1530) may include at least a portion of the first deformation portion and a first planar portion. For example, a second display area (1532) of the display (1530) may include a second planar portion, at least a portion of the first deformation portion, and at least a portion of the second deformation portion. For example, a third display area (1533) of the display (1530) may include at least a portion of the second deformation portion and a third planar portion.

[0268] The first planar portion, the second planar portion, and the third planar portion of the display (1530) can maintain a planar shape regardless of the state of the electronic device (101). The first deformed portion and the second deformed portion of the display (1530) can be unfolded or bent depending on the state of the electronic device (101).

[0269] An additional display (or cover display), a first rear cover, and a second rear cover may form at least a portion of the exterior of the electronic device (101). For example, the first rear cover may form another side of the first housing (1511), the cover display may form another side of the second housing (1512), and the second rear cover may be formed on another side of the third housing (1513). The cover display, the first rear cover, and the second rear cover may define the rear of the electronic device (101). The first rear cover may include a structure (e.g., an opening) for exposing a rear camera disposed within the first housing (1511). The cover display may include an area where another front camera is located. The area of ​​the cover display may include an opening for the front camera. In the above example, an example of a housing (1510) of type e is described, but the present disclosure is not limited thereto. In the example of a G-type housing (1510), the cover display may form another side of the first housing (1511), the first rear cover may form another side of the second housing (1512), and the second rear cover may form another side of the third housing (1513). The cover display, the first rear cover, and the second rear cover may define the rear of the electronic device (101). For example, the first rear cover may include a structure (e.g., an opening) for exposing a rear camera disposed within the second housing (1512).

[0270] For example, while the state of the electronic device (101) of the second type (1500b) is changing from the folding state to the unfolding state, the display area for displaying the image may be changed from the first display area (1531) of the display (1530) to the display areas (1531, 1532, 1533) of the display (1530).

[0271] As a non-limiting example, while the state of the electronic device (101) of the first type (1500a) changes from a partially unfolded state (or partially folded state) to the unfolded state, the display area for displaying an image may change from the third display area (1533) of the display (1530) to the display areas (1531, 1532, 1533) of the display (1530). In other words, when the state of the electronic device (101) of the first type (1500a) is in the partially unfolded state (or the partially folded state), the third display area (1533) of the display (1530) may be used for displaying an image, and the first display area (1531) and the second display area (1532) of the display (1530) may not be used for displaying an image. However, the present disclosure is not limited thereto. For example, when the state of the electronic device (101) of the first type (1500a) is in the partially unfolded state (or the partially folded state), the first display area (1531) of the display (1530) may be used for displaying an image, and the second display area (1532) and the third display area (1533) of the display (1530) may not be used for displaying an image.

[0272] For example, the display driver IC (220) can identify the temperature of each of the regions of the electronic device (101) (e.g., first housing (1511), second housing (1512), and third housing (1513)) corresponding to each of the display regions (1531, 1532, 1533) of the display (1530).

[0273] In the example of the first type (1500a), the display driving IC (220) can adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the display areas (1531, 1532, 1533) of the display (1530) while changing from the partial unfolded state to the unfolded state, and apply the adjusted data voltage to the display areas (1531, 1532, 1533) of the display (1530) (or to subpixels corresponding to the display areas (1531, 1532, 1533) of the display (1530).

[0274] As a non-limiting example, the display driver IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the first display area (1531) and the second display area (1532) of the display (1530) from the time when the change from the partial unfolded state to the unfolded state begins, and apply the adjusted data voltage to the first display area (1531) and the second display area (1532) of the display (1530) (or to subpixels corresponding to the first display area (1531) and the second display area (1532) of the display (1530). For example, the display driver IC (220) may start the change from the partial unfolded state to the unfolded state after displaying an image through the third display area (1533) of the display (1530) in the partial unfolded state. When the display (1530) begins to change to the unfolded state, the temperature of the third housing (1513) corresponding to the third display area (1533) of the display (1530) may be different from the temperature of the first housing (1511) and the second housing (1512) corresponding to the first display area (1531) and the second display area (1532) of the display (1530). Accordingly, the display driving IC (220) may adjust the data voltage representing a specific grayscale level (e.g., the first grayscale level) from the point in time when the display (1530) begins to change to the partially unfolded state, and apply the adjusted data voltage to the first display area (1531) and the second display area (1532) of the display (1530). As a non-limiting example, the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the third display area (1533) of the display (1530) may be different from the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the first display area (1531) and the second display area (1532) of the display (1530).

[0275] As a non-limiting example, the display driver IC (220) may readjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the display areas (1531, 1532, 1533) of the display (1530) of the electronic device (101) after the change from the partial unfolded state to the unfolded state is completed, and apply the readjusted data voltage to the display areas (1531, 1532, 1533) of the display (1530) (or to the subpixels). For example, when an image is displayed on the display areas (1531, 1532, 1533) of the display (1530) for a preset time from the point in time when the display (1530) is changed to the unfolded state, the temperature of the electronic device (101) corresponding to the third display area (1533) of the display (1530) may correspond to the temperature of the area of ​​the electronic device (101) corresponding to the first display area (1531) and the second display area (1532) of the display (1530). Accordingly, the display driver IC (220) can readjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) when displaying an image on the display areas (1531, 1532, 1533) of the display (1530) for the preset time from the point in time when it was changed to the unfolded state, and apply the readjusted data voltage to the other part of the display (1530) (or to subpixels). As a non-limiting example, the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the third display area (1533) of the display (1530) may be the same as the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the first display area (1531) and the second display area (1532) of the display (1530).For example, the completion of the change from the folding state to the unfolded state may be at a point in time after the preset time from the point in time when the change to the unfolded state was made.

[0276] In the example of the second type (1500b), the display driving IC (220) can adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the display areas (1531, 1532, 1533) of the display (1530) while changing from the folding state to the unfolding state, and apply the adjusted data voltage to the display areas (1531, 1532, 1533) of the display (1530) (or to subpixels corresponding to the display areas (1531, 1532, 1533) of the display (1530).

[0277] As a non-limiting example, the display driver IC (220) may adjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the second display area (1532) and the third display area (1533) of the display (1530) from the time when the change from the folding state to the unfolding state begins, and apply the adjusted data voltage to the second display area (1532) and the third display area (1533) of the display (1530) (or to subpixels corresponding to the second display area (1532) and the third display area (1533) of the display (1530). For example, the display driver IC (220) may start the change from the folding state to the unfolding state after displaying an image through the first display area (1531) of the display (1530) in the folding state. When the display (1530) begins to change to the unfolded state, the temperature of the first housing (1511) corresponding to the first display area (1531) of the display (1530) may be different from the temperature of the second housing (1512) and the third housing (1513) corresponding to the second display area (1532) and the third display area (1533) of the display (1530). Accordingly, the display driving IC (220) may adjust the data voltage representing a specific grayscale level (e.g., the first grayscale level) from the point in time when the display (1530) begins to change to the folded state, and apply the adjusted data voltage to the second display area (1532) and the third display area (1533) of the display (1530). As a non-limiting example, the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the first display area (1531) of the display (1530) may be different from the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the second display area (1532) and the third display area (1533) of the display (1530).

[0278] As a non-limiting example, the display driver IC (220) may, after the change from the folding state to the unfolding state is completed, readjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) according to the identified temperature of the display areas (1531, 1532, 1533) of the display (1530) of the electronic device (101), and apply the readjusted data voltage to the display areas (1531, 1532, 1533) of the display (1530) (or to the subpixels). For example, when an image is displayed on the display areas (1531, 1532, 1533) of the display (1530) for a preset time from the point in time when the display (1530) is changed to the unfolded state, the temperature of the electronic device (101) corresponding to the first display area (1531) of the display (1530) may correspond to the temperature of the area of ​​the electronic device (101) corresponding to the second display area (1532) and the third display area (1533) of the display (1530). Accordingly, the display driver IC (220) can readjust a data voltage representing a specific grayscale level (e.g., the first grayscale level) when displaying an image on the display areas (1531, 1532, 1533) of the display (1530) for the preset time from the point in time when it was changed to the unfolded state, and apply the readjusted data voltage to the other part of the display (1530) (or to subpixels). As an example without limitation, the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the first display area (1531) of the display (1530) may be the same as the data voltage representing the specific grayscale level (e.g., the first grayscale level) applied to the second display area (1532) and the third display area (1533) of the display (1530).For example, the completion of the change from the folding state to the unfolded state may be at a point in time after the preset time from the point in time when the change to the unfolded state was made.

[0279] 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.

[0280] As described above, the electronic device (101) may include at least one processor (210) including a processing circuit. The electronic device (101) may include a display panel (160). The electronic device (101) may include a display driving IC (220) including a source driver circuit (130). The display driving IC (220) may be configured to provide a first data voltage to the display panel (160) as a data voltage to indicate a grayscale level through the source driver circuit (130) while image reception from the at least one processor (210) is performed according to a first cycle. The display driving IC (220) may be configured to provide the display panel (160) with a second data voltage lower than the first data voltage as the data voltage for indicating the grayscale level through the source driver circuit (130) while image reception from the at least one processor (210) is performed according to a second cycle shorter than the first cycle.

[0281] According to one embodiment, the display driving IC (220) may be configured to receive a first image to be displayed through the display panel (160) from the at least one processor (210) according to the image reception performed according to the second cycle. The display driving IC (220) may be configured to compare the first image with a second image being displayed through the display panel (160). The display driving IC (220) may be configured to provide the first data voltage to the display panel (160) as the data voltage to indicate the grayscale level of the first image through the source driver circuit (130), based on the first image which is identical to the second image. The display driving IC (220) may be configured to provide the display panel (160) with a second data voltage lower than the first data voltage as the data voltage for representing the grayscale level of the first image, based on the first image which is different from the second image, through the source driver circuit (130).

[0282] According to one embodiment, the gradation level may be a gradation level corresponding to a black color.

[0283] According to one embodiment, the electronic device (101) may include a memory (240) comprising one or more storage media, which stores one or more programs configured to be executed individually and / or collectively by the at least one processor (210). The one or more programs may include instructions that cause the electronic device (101) to generate the first image upon receiving a scroll input with respect to the display panel (160). The one or more programs may include instructions that cause the electronic device (101) to transmit the first image to the display driver IC (220).

[0284] According to one embodiment, the first image and the second image may be included in images for video.

[0285] According to one embodiment, the display driving IC (220) may be configured to determine whether the size of the first image to be displayed on the display area of ​​the display panel (160) exceeds a reference size based on the first image which is different from the second image. The display driving IC (220) may be configured to provide the first data voltage to the display panel (160) through the source driver circuit (130) as the data voltage to indicate the grayscale level of the first image, as determined that the size of the first image is less than or equal to the reference size. The display driving IC (220) may be configured to provide the second data voltage to the display panel (160) through the source driver circuit (130) as the data voltage to indicate the grayscale level of the first image, as determined that the size of the first image exceeds the reference size.

[0286] According to one embodiment, the display driving IC (220) may be configured to determine whether the display position of the first image to be displayed on the display area of ​​the display panel (160) is the periphery portion of the display area, based on the first image which is different from the second image. The display driving IC (220) may be configured to provide the first data voltage to the display panel (160) through the source driver circuit (130) as the data voltage to indicate the grayscale level of the first image, as determined that the display position of the first image is the periphery portion of the display area. The display driving IC (220) may be configured to provide the second data voltage to the display panel (160) through the source driver circuit (130) as the data voltage to indicate the grayscale level of the first image, as determined that the display position of the first image is not the periphery portion of the display area.

[0287] According to one embodiment, the display panel (160) may include pixels. Each of the pixels may include a first subpixel for a first color, a second subpixel for a second color, and a third subpixel for a third color. The display driving IC (220) may be configured to provide the first data voltage to the display panel (160) by applying the first data voltage to the first subpixel as the data voltage to indicate the grayscale level through the source driver circuit (130) while the image reception from the at least one processor (210) is performed according to the first cycle. The display driving IC (220) may be configured to provide the second data voltage to the display panel (160) by applying the second data voltage to the first subpixel as the data voltage to indicate the grayscale level through the source driver circuit (130) while the image reception from the at least one processor (210) is performed according to the second cycle.

[0288] According to one embodiment, the display driving IC (220) may be configured to provide the third data voltage to the display panel (160) by applying a third data voltage lower than the second data voltage to the second subpixel through the source driver circuit (130) as the data voltage for representing the grayscale level while the image reception from the at least one processor (210) is performed according to the second cycle. The display driving IC (220) may be configured to provide the fourth data voltage to the display panel (160) by applying a fourth data voltage lower than the third data voltage to the third subpixel through the source driver circuit (130) as the data voltage for representing the grayscale level while the image reception from the at least one processor (210) is performed according to the second cycle.

[0289] According to one embodiment, the display driving IC (220) may be configured to identify the brightness of the display panel (160). The display driving IC (220) may be configured to provide the second data voltage to the display panel (160) as the data voltage to indicate the grayscale level through the source driver circuit (130), according to the brightness of the display panel (160), which is the first brightness, while the image reception from the at least one processor (210) is performed according to the second cycle. The display driving IC (220) may be configured to provide a third data voltage higher than the second data voltage to the display panel (160) through the source driver circuit (130) as the data voltage for indicating the grayscale level, according to the brightness of the display panel (160), which is a second brightness higher than the first brightness, while the image reception from the at least one processor (210) is performed according to the second cycle.

[0290] According to one embodiment, the display panel (160) may include pixels. Each of the pixels may include a first sub-pixel for a first color, a second sub-pixel for a second color, and a third sub-pixel for a third color. The second data voltage may be applied to each of the first sub-pixel, the second sub-pixel, and the third sub-pixel. The third data voltage may be applied to each of the first sub-pixel, the second sub-pixel, and the third sub-pixel.

[0291] According to one embodiment, the display driving IC (220) may be configured to provide a fourth data voltage lower than the second data voltage to the display panel (160) through the source driver circuit (130) as a different data voltage to represent a different grayscale level, depending on the brightness of the display panel (160), which is the first brightness, while the image reception from the at least one processor (210) is performed according to the second cycle. The display driving IC (220) may be configured to provide a fifth data voltage lower than the third data voltage to the display panel (160) through the source driver circuit (130) as a different data voltage to represent the different grayscale level, depending on the brightness of the display panel (160), which is the second brightness, while the image reception from the at least one processor (210) is performed according to the second cycle. The different grayscale level may be a grayscale level corresponding to a white color.

[0292] According to one embodiment, the display panel (160) may include pixels. Each of the pixels may include a first subpixel for a first color, a second subpixel for a second color, and a third subpixel for a third color. While the image reception from the at least one processor (210) is performed according to the second cycle, the fourth data voltage may be applied to the first subpixel among the first subpixel, the second subpixel, and the third subpixel, according to the brightness of the display panel (160), which is the first brightness. While the image reception from the at least one processor (210) is performed according to the second cycle, a data voltage different from the fourth data voltage may be applied to the second subpixel among the first subpixel, the second subpixel, and the third subpixel, as the other data voltage to represent the other grayscale level, according to the brightness of the display panel (160), which is the first brightness. While the image reception from the at least one processor (210) is performed according to the second cycle, a data voltage different from the fourth data voltage may be applied to the third subpixel among the first subpixel, the second subpixel, and the third subpixel, according to the brightness of the display panel (160), which is the first brightness, to indicate the different grayscale level. While the image reception from the at least one processor (210) is performed according to the second cycle, the fifth data voltage may be applied to the first subpixel among the first subpixel, the second subpixel, and the third subpixel, according to the brightness of the display panel (160), which is the second brightness.While the image reception from the at least one processor (210) is performed according to the second cycle, a data voltage different from the fifth data voltage may be applied to the second subpixel among the first subpixel, the second subpixel, and the third subpixel to indicate the different grayscale level, according to the brightness of the display panel (160) which is the second brightness. While the image reception from the at least one processor (210) is performed according to the second cycle, a data voltage different from the fifth data voltage may be applied to the third subpixel among the first subpixel, the second subpixel, and the third subpixel to indicate the different grayscale level, according to the brightness of the display panel (160) which is the second brightness.

[0293] According to one embodiment, the display driving IC (220) may be configured to identify the temperature of the electronic device (101). The display driving IC (220) may be configured to provide the second data voltage to the display panel (160) as the data voltage to indicate the grayscale level through the source driver circuit (130) according to the temperature of the electronic device (101), which is a first temperature, while the image reception from the at least one processor (210) is performed according to the second cycle. The display driving IC (220) may be configured to provide the third data voltage, which is higher than the second data voltage, to the display panel (160) as the data voltage to indicate the grayscale level through the source driver circuit (130), according to the temperature of the electronic device (101), which is a second temperature higher than the first temperature, while the image reception from the at least one processor (210) is performed according to the second cycle.

[0294] According to one embodiment, the display panel (160) may be a flexible display comprising a first display area with a fixed size and a second display area with an adjustable size. The display driving IC (220) may be configured to identify the temperature of a first area of ​​the electronic device (101) corresponding to the first display area. The display driving IC (220) may be configured to identify the temperature of a second area of ​​the electronic device (101) corresponding to the second display area. The display driving IC (220) may be configured to provide the second data voltage to the display panel (160) as the data voltage for indicating the grayscale level with respect to the first display area through the source driver circuit (130), according to the temperature of the first area of ​​the electronic device (101), which is the first temperature, while the image reception from the at least one processor (210) is performed according to the second cycle. The display driving IC (220) may be configured to provide the display panel (160) with a third data voltage higher than the second data voltage as the data voltage for indicating the grayscale level with respect to the second display area, through the source driver circuit (130), while the image reception from the at least one processor (210) is performed according to the second cycle, according to the temperature of the second area of ​​the electronic device (101), which is a second temperature higher than the first temperature.

[0295] A method performed by an electronic device (101) having at least one processor (210) including a processing circuit as described above, a display panel (160), and a display driving IC (220) including a source driver circuit (130) may include, while image reception from the at least one processor (210) is performed according to a first cycle, the display driving IC (220) providing a first data voltage to the display panel (160) through the source driver circuit (130) as a data voltage for indicating a grayscale level. The method may include, while image reception from the at least one processor (210) is performed according to a second cycle shorter than the first cycle, the display driving IC (220) providing a second data voltage lower than the first data voltage to the display panel (160) through the source driver circuit (130) as a data voltage for indicating the grayscale level.

[0296] According to one embodiment, the method may include an operation in which the display driving IC (220) receives a first image to be displayed through the display panel (160) from the at least one processor (210) according to the image reception performed according to the second cycle. The method may include an operation in which the display driving IC (220) compares the first image with a second image being displayed through the display panel (160). The method may include an operation in which, based on the first image identical to the second image, the display driving IC (220) provides the first data voltage to the display panel (160) through the source driver circuit (130) as the data voltage for representing the grayscale level of the first image. The above method may include an operation in which, based on the first image which is different from the second image, the display driving IC (220) provides the display panel (160) with the second data voltage which is lower than the first data voltage as the data voltage for representing the grayscale level of the first image through the source driver circuit (130).

[0297] According to one embodiment, the gradation level may be a gradation level corresponding to a black color. The method may include an operation of generating the first image upon receiving a scroll input with respect to the display panel (160). The method may include an operation of transmitting the first image to the display driving IC (220).

[0298] According to one embodiment, the method may include an operation in which the display driving IC (220) determines whether the size of the first image to be displayed on the display area of ​​the display panel (160) exceeds a reference size based on the first image which is different from the second image. The method may include an operation in which, upon determining that the size of the first image is less than or equal to the reference size, the display driving IC (220) provides the first data voltage to the display panel (160) through the source driver circuit (130) as the data voltage for representing the grayscale level of the first image. The method may include an operation in which, upon determining that the size of the first image exceeds the reference size, the display driving IC (220) provides the second data voltage to the display panel (160) through the source driver circuit (130) as the data voltage for representing the grayscale level of the first image.

[0299] According to one embodiment, the method may include an operation in which the display driving IC (220) determines whether the display position of the first image to be displayed on the display area of ​​the display panel (160) is the periphery portion of the display area, based on the first image which is different from the second image. The method may include an operation in which, upon determining that the display position of the first image is the periphery portion of the display area, the display driving IC (220) provides the first data voltage to the display panel (160) through the source driver circuit (130) as the data voltage for representing the grayscale level of the first image. The method may include an operation in which, upon determining that the display position of the first image is not the periphery portion of the display area, the display driving IC (220) provides the second data voltage to the display panel (160) through the source driver circuit (130) as the data voltage for representing the grayscale level of the first image.

[0300] 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.

[0301] 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.

[0302] 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.

[0303] 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).

[0304] Various embodiments of the present document may be implemented as software (e.g., program (1140)) comprising one or more instructions stored in a storage medium (e.g., internal memory (1136) or external memory (1138)) readable by a machine (e.g., electronic device (1101)). For example, a processor (e.g., processor (1120)) of the machine (e.g., electronic device (1101)) may call at least one of the one or more instructions stored from 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.

[0305] According to one embodiment, the method according to the various embodiments disclosed herein may be provided as 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.

[0306] 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 panel; and It includes a display driver IC that includes a source driver circuit, and The above display driver IC is: While image reception from the above at least one processor is performed according to a first cycle, a first data voltage is provided to the display panel as a data voltage to indicate a grayscale level through the source driver circuit; and While image reception from at least one processor is performed according to a second period shorter than the first period, the source driver circuit is configured to provide a second data voltage lower than the first data voltage to the display panel as the data voltage for representing the grayscale level. Electronic device.

2. In Claim 1, The above display driver IC is: In accordance with the image reception performed according to the second cycle, a first image to be displayed through the display panel is received from the at least one processor; Compare the first image above with the second image displayed through the display panel; Based on the first image identical to the second image, the first data voltage is provided to the display panel as the data voltage for representing the grayscale level of the first image through the source driver circuit; and Based on the first image which is different from the second image, the source driver circuit is configured to provide the second data voltage, which is lower than the first data voltage, to the display panel as the data voltage for representing the grayscale level of the first image. Electronic device.

3. In Claim 1, The above gradation level is a gradation level corresponding to the black color, Electronic device.

4. In Claim 2, The electronic device comprises a memory that stores one or more programs configured to be executed individually and / or collectively by the at least one processor, and includes one or more storage media. The above one or more programs are: Upon receiving a scroll input with respect to the above display panel, the first image is generated; and To transmit the above first image to the display driving IC, Instructions including those that cause the above electronic device Electronic device.

5. In Claim 2, The first image and the second image above are included in images for video, Electronic device.

6. In Claim 2, The above display driver IC is: Based on the first image which is different from the second image, determining whether the size of the first image to be displayed on the display area of ​​the display panel exceeds a reference size; As it is determined that the size of the first image is less than or equal to the reference size, the first data voltage is provided to the display panel as the data voltage for representing the grayscale level of the first image through the source driver circuit; and As it is determined that the size of the first image exceeds the reference size, the second data voltage is provided to the display panel through the source driver circuit as the data voltage for representing the grayscale level of the first image. Electronic device.

7. In Claim 2, The above display driver IC is: Based on the first image which is different from the second image, determining whether the display position of the first image to be displayed on the display area of ​​the display panel is the periphery portion of the display area; As it is determined that the display position of the first image is the edge portion of the display area, the first data voltage is provided to the display panel as the data voltage to represent the grayscale level of the first image through the source driver circuit; and As it is determined that the display position of the first image is not the edge portion of the display area, the second data voltage is provided to the display panel through the source driver circuit as the data voltage for representing the grayscale level of the first image. Electronic device.

8. In Claim 1, The above display panel includes pixels, and Each of the above pixels includes a first subpixel for a first color, a second subpixel for a second color, and a third subpixel for a third color, and The above display driver IC is: While the image reception from the at least one processor is performed according to the first cycle, the first data voltage is provided to the display panel by applying the first data voltage to the first subpixel as the data voltage for representing the grayscale level through the source driver circuit; and While the image reception from the at least one processor is performed according to the second cycle, the second data voltage is provided to the display panel by applying the second data voltage to the first subpixel as the data voltage for representing the grayscale level through the source driver circuit. Electronic device.

9. In Claim 8, The above display driver IC is: While the image reception from the above at least one processor is performed according to the second cycle: By applying a third data voltage lower than the second data voltage to the second subpixel as the data voltage for representing the grayscale level through the source driver circuit, the third data voltage is provided to the display panel; and Configured to provide the fourth data voltage to the display panel by applying a fourth data voltage lower than the third data voltage to the third subpixel as the data voltage for representing the grayscale level through the source driver circuit. Electronic device.

10. In Claim 1, The above display driver IC is: Identifying the brightness of the above display panel; While the image reception from the at least one processor is performed according to the second cycle, the second data voltage is provided to the display panel as the data voltage to indicate the grayscale level through the source driver circuit according to the brightness of the display panel, which is the first brightness; and While the image reception from the at least one processor is performed according to the second cycle, the third data voltage higher than the second data voltage is provided to the display panel through the source driver circuit as the data voltage for representing the grayscale level, according to the brightness of the display panel, which is a second brightness higher than the first brightness. Electronic device.

11. In Claim 10, The above display panel includes pixels, and Each of the above pixels includes a first subpixel for a first color, a second subpixel for a second color, and a third subpixel for a third color, and The second data voltage is applied to each of the first subpixel, the second subpixel, and the third subpixel, and The third data voltage is applied to each of the first subpixel, the second subpixel, and the third subpixel, Electronic device.

12. In Claim 10, The above display driver IC is: While the image reception from the at least one processor is performed according to the second cycle, according to the brightness of the display panel, which is the first brightness, a fourth data voltage lower than the second data voltage is provided to the display panel through the source driver circuit as a different data voltage to represent a different grayscale level; and While the image reception from the at least one processor is performed according to the second cycle, the source driver circuit is configured to provide the display panel with a fifth data voltage lower than the third data voltage as the other data voltage for representing the other grayscale level, according to the brightness of the display panel, which is the second brightness. The above other gradation level is a gradation level corresponding to the white color, Electronic device.

13. In Claim 12, The above display panel includes pixels, and Each of the above pixels includes a first subpixel for a first color, a second subpixel for a second color, and a third subpixel for a third color, and While the image reception from the at least one processor is performed according to the second cycle, according to the brightness of the display panel, which is the first brightness: The above fourth data voltage is applied to the first subpixel among the first subpixel, the second subpixel, and the third subpixel, and With respect to the second subpixel among the first subpixel, the second subpixel, and the third subpixel, a data voltage different from the fourth data voltage is applied as the different data voltage for representing the different grayscale level, and For the third subpixel among the first subpixel, the second subpixel, and the third subpixel, a data voltage different from the fourth data voltage is applied as the different data voltage for representing the different grayscale level, and While the image reception from the at least one processor is performed according to the second cycle, according to the brightness of the display panel, which is the second brightness: The above fifth data voltage is applied to the first subpixel among the first subpixel, the second subpixel, and the third subpixel, and With respect to the second subpixel among the first subpixel, the second subpixel, and the third subpixel, a data voltage different from the fifth data voltage is applied as the other data voltage for representing the other grayscale level, and Among the first subpixel, the second subpixel, and the third subpixel, for the third subpixel, a data voltage different from the fifth data voltage is applied as the different data voltage for representing the different grayscale level. Electronic device.

14. In Claim 1, The above display driver IC is: Identifying the temperature of the above electronic device; While the image reception from the at least one processor is performed according to the second cycle, the second data voltage is provided to the display panel as the data voltage to indicate the grayscale level through the source driver circuit according to the temperature of the electronic device, which is the first temperature; and While the image reception from the at least one processor is performed according to the second cycle, the third data voltage higher than the second data voltage is provided to the display panel through the source driver circuit as the data voltage for representing the grayscale level, according to the temperature of the electronic device, which is a second temperature higher than the first temperature. Electronic device.

15. In Claim 1, The above display panel is a flexible display comprising a first display area with a fixed size and a second display area with an adjustable size. The above display driver IC is: Identifying the temperature of the first region of the electronic device corresponding to the first display region; Identifying the temperature of the second region of the electronic device corresponding to the second display region; While the image reception from the at least one processor is performed according to the second cycle, the second data voltage is provided to the display panel as the data voltage for indicating the grayscale level with respect to the first display area through the source driver circuit, according to the temperature of the first area of ​​the electronic device, which is the first temperature; and While the image reception from the at least one processor is performed according to the second cycle, the third data voltage higher than the second data voltage is provided to the display panel through the source driver circuit as the data voltage for indicating the grayscale level with respect to the second display area, according to the temperature of the second area of ​​the electronic device, which is a second temperature higher than the first temperature. Electronic device.

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