Electronic device
By switching the driving mode of the sensing electrode according to the noise value in the electronic device, the sensing frame and the driving mode are optimized, and the problem of insufficient reliability of sensing noise in the prior art is solved, and the signal-to-noise ratio and image quality are improved.
Patent Information
- Application Number
- CN202410876565.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-07-10
- Filing Date
- 2024-07-02
- Publication Date
- 2025-01-10
AI Technical Summary
When sensing noise, it is difficult for existing electronic devices to effectively improve sensing reliability. Especially in different noise environments, the signal-to-noise ratio of the sensor layer and the touch drive unit is insufficient, resulting in deterioration in image quality and low sensitivity.
By introducing a plurality of sensing electrodes into the electronic device and switching different driving modes according to the noise value, the first mode is adopted when the noise value is less than a predetermined level, and the number and frequency of the touch driving signals are increased; when the noise value is greater than or equal to the predetermined value, the first mode is adopted; when the noise value is greater than or equal to the predetermined value 水平时采用第二模式,减少触摸驱动信号的数量和频率,以优化感测帧和驱动模式的配置。
The touch reporting rate and signal-to-noise ratio of the sensor layer are improved, noise interference is reduced, image quality and sensing reliability are enhanced, and power consumption is reduced.
Smart Images

Figure CN119292484A_ABST
Abstract
Description
[0001] CROSS-REFERENCE TO RELATED APPLICATIONS
[0002] This patent application claims priority to Korean Patent Application No. 10-2023-0089378 filed on Jul. 10, 2023, the entire contents of which are incorporated herein by reference. Technical Field
[0003] The present disclosure herein relates to an electronic device that drives sensing electrodes in different modes according to noise values. Background Art
[0004] Generally, a flat panel display device may be an organic light emitting display device, a liquid crystal display device, a plasma display panel, and the like.
[0005] The display device may include a display layer configured to display an image, a display driving unit configured to transmit a signal to the display layer, a sensor layer located on the display layer, and a touch driving unit configured to transmit a touch driving signal to the sensor layer.
[0006] A sensor is an information input device and can be provided to and used by a display device. For example, the sensor can be attached to one surface of a display panel or manufactured integrally with the display panel. A user can input information by pressing or touching the sensor while viewing an image displayed on the screen of the display device. Summary of the invention
[0007] The present disclosure provides an electronic device with improved sensing reliability having a touch driving unit configured to operate in a first mode or in a second mode based on noise of an input image.
[0008] An embodiment of the present invention provides an electronic device comprising: a display layer configured to operate in units of display frames including a blank segment and a data input segment; a driving unit configured to drive the display layer, output a synchronization signal activated in the blank segment, and sense a noise value based on an input image to be provided in the display frame; a sensor layer including a plurality of sensing electrodes and configured to operate in a first sensing frame overlapping the data input segment and in a second sensing frame overlapping the blank segment; and a touch driving unit configured to operate in a first mode in response to a noise value being less than a predetermined noise level, and configured to operate in a second mode different from the first mode in response to a noise value being greater than or equal to the predetermined noise level, wherein the touch driving unit can apply more touch driving signals to the plurality of sensing electrodes in the first mode than in the second mode.
[0009] In an embodiment, in the first mode, the touch drive unit may operate in a first driving mode in a first sensing frame, and operate in a second driving mode different from the first driving mode in a second sensing frame.
[0010] In an embodiment, in the first driving mode, the touch driving unit may be configured to sequentially apply touch driving signals to the plurality of sensing electrodes, respectively.
[0011] In an embodiment, in the second driving mode, the touch driving unit may be configured to apply touch driving signals to the plurality of sensing electrodes respectively and simultaneously.
[0012] In an embodiment, in the second mode, the touch driving unit may operate in the second driving mode in the second sensing frame.
[0013] In an embodiment, in the second mode, the touch driving unit may not provide a touch driving signal to the plurality of sensing electrodes in the first sensing frame.
[0014] In an embodiment, the plurality of sensing electrodes may include a plurality of first electrodes and a plurality of second electrodes, wherein each of the plurality of first electrodes may extend in a first direction and the plurality of first electrodes may be arranged in a second direction intersecting the first direction, and each of the plurality of second electrodes may extend in the second direction and the plurality of second electrodes may be arranged in the first direction.
[0015] In an embodiment, the display refresh rate of the display layer may have a first frequency and the touch report rate of the sensor layer may have a second frequency, wherein in a first mode the first frequency may be lower than the second frequency and in a second mode the first frequency may be the same as the second frequency.
[0016] In an embodiment, the touch driving unit may be configured to receive a synchronization signal from the driving unit, and in response to the synchronization signal being activated, the touch driving unit may simultaneously apply the touch driving signal to the plurality of sensing electrodes, respectively.
[0017] In an embodiment, the width of the blank section may be smaller than the width of the data input section.
[0018] In an embodiment, a width of the second sensing frame may be smaller than a width of the first sensing frame.
[0019] In an embodiment of the present invention, an electronic device includes: a display layer configured to operate in units of display frames including a blank segment and a data input segment; a driving unit configured to drive the display layer, output a synchronization signal activated in the blank segment, and sense a noise value based on an input image to be provided in the display frame, wherein the driving unit includes a data driving unit and a gate driving unit, the data driving unit is configured to supply a data voltage converted based on the input image to a data line of the display layer during the data input segment, and the gate driving unit supplies a gate pulse synchronized with the data voltage to a gate line of the display layer during the data input segment; a sensor layer including a plurality of sensing electrodes, and configured to operate in a first sensing frame overlapping the data input segment and in a second sensing frame overlapping the blank segment; and a touch driving unit configured to operate in a first mode in response to a noise value being less than a predetermined noise level, and configured to operate in a second mode different from the first mode in response to a noise value being greater than or equal to the predetermined noise level, wherein the touch driving unit applies more touch driving signals to the plurality of sensing electrodes in the first mode than in the second mode.
[0020] In an embodiment, the blank section may be a section in which a data voltage is not supplied to the display layer.
[0021] In an embodiment, the sensor layer may be further configured to operate in a third sensing frame overlapping the data input section, and the touch drive unit may be configured to operate in the first driving mode in the third sensing frame in the first mode.
[0022] In an embodiment of the present invention, an electronic device includes: a display layer configured to operate in units of display frames including a blank segment and a data input segment; a driving unit configured to drive the display layer and sense a noise value based on an input image to be provided in the display frame; and a sensor layer including a plurality of sensing electrodes and configured to operate in units of sensing frames including a first sensing frame overlapping with the data input segment and a second sensing frame overlapping with the blank segment, wherein the plurality of sensing electrodes can operate in a first mode based on the noise value or in a second mode different from the first mode, wherein in the first mode, the plurality of sensing electrodes can sequentially receive a touch drive signal in the first sensing frame and simultaneously receive the touch drive signal in the second sensing frame, and in the second mode, the plurality of sensing electrodes can simultaneously receive the touch drive signal only in the second sensing frame.
[0023] In an embodiment, in the second mode, the plurality of sensing electrodes may not receive a touch driving signal in the first sensing frame.
[0024] In an embodiment, the driving unit may be configured to output a synchronization signal that is activated in the blank section, and in response to the synchronization signal being activated, the plurality of sensing electrodes may simultaneously receive the touch driving signal.
[0025] In an embodiment, the display refresh rate of the display layer may have a first frequency and the touch report rate of the sensor layer may have a second frequency, wherein in a first mode the first frequency may be lower than the second frequency and in a second mode the first frequency may be the same as the second frequency.
[0026] In an embodiment, the width of the blank section may be smaller than the width of the data input section.
[0027] In an embodiment, a width of the second sensing frame may be smaller than a width of the first sensing frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] The accompanying drawings are included to provide a further understanding of the inventive concept and are incorporated in and constitute a part of this specification. The accompanying drawings illustrate embodiments of the inventive concept and together with the description serve to explain the principles of the inventive concept.
[0029] In the attached picture:
[0030] Figure 1 is a perspective view of an electronic device according to an embodiment of the inventive concept;
[0031] Figure 2 is a schematic block diagram of an electronic device according to an embodiment of the inventive concept;
[0032] Figure 3 is a cross-sectional view of an electronic device according to an embodiment of the inventive concept;
[0033] Figure 4 is a block diagram of a display layer and a display driving unit according to an embodiment of the inventive concept;
[0034] Figure 5 Figures illustrate a sensor layer and a touch driving unit according to an embodiment of the inventive concept;
[0035] Figure 6 According to the embodiment of the present invention, Figure 5 A cross-sectional view taken along line II';
[0036] Figure 7 is a cross-sectional view of an electronic device according to an embodiment of the inventive concept;
[0037] Figure 8 is a waveform diagram of signals applied by a touch driving unit and a driving unit according to an embodiment of the inventive concept;
[0038] Fig. 9 According to the embodiment of the present invention Figure 5 A partial enlarged view of area AA';
[0039] Fig.10 is a waveform diagram of a touch driving signal in a first mode according to an embodiment of the inventive concept;
[0040] Fig.11 is a waveform diagram of a touch driving signal in a second mode according to an embodiment of the inventive concept; and
[0041] Fig.12 2 is a waveform diagram of signals applied by a touch driving unit and a driving unit according to an embodiment of the inventive concept. DETAILED DESCRIPTION
[0042] In this specification, it will be understood that when an element (or region, layer, portion, etc.) is referred to as being "on," "connected to" or "coupled to" another element, it can be directly on, directly connected to or coupled to the other element, or intervening elements may be present.
[0043] The same reference numerals refer to the same elements from beginning to end. In addition, in the drawings, the thickness, proportion and size of the elements are exaggerated in order to effectively describe the technical content. As used herein, the term "and / or" includes any and all combinations that the relevant configurations can define.
[0044] It will be understood that although the terms "first", "second", etc. may be used to describe various elements in this article, these elements should not be limited by these terms. These terms are used to distinguish one element from another element. For example, a first element may be referred to as a second element without departing from the scope of the present invention. Similarly, a second element may also be referred to as a first element. Unless otherwise specified, terms in the singular include plural forms.
[0045] In addition, for the convenience of description, terms such as "below", "lower", "above" and "upper" are used herein to describe the relationship between one element and another (some) elements as shown in the figures. The above terms are relative concepts and are described based on the directions indicated in the figures.
[0046] It will be understood that the terms “including” and / or “having” when used in this specification specify the presence of stated features, integers, steps, operations, elements, parts and / or combinations thereof, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, parts and / or combinations thereof.
[0047] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. It will be further understood that terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and will not be interpreted in an idealized or overly formal sense unless explicitly defined in this article.
[0048] Hereinafter, embodiments of the inventive concept will be described with reference to the accompanying drawings.
[0049] Figure 1 is a perspective view of an electronic device according to an embodiment of the inventive concept.
[0050] refer to Figure 1 , the electronic device 1000 may have a shape extending in a first direction DR1 and a second direction DR2 intersecting the first direction DR1. The third direction DR3 indicates a normal direction of the electronic device 1000, for example, a thickness direction of the electronic device 1000. In the present specification, the expression "when viewed on a plane or on a plane or an area on a plane" may refer to the case of viewing in the third direction DR3. The front surface (or upper surface) and the rear surface (or lower surface) of each of the layers or units to be described below are defined by the third direction DR3. However, the directions indicated by the first to third directions DR1, DR2 and DR3 are relative concepts and can be converted into other directions, for example, the opposite direction.
[0051] The upper surface of the electronic device 1000 may be defined as a display surface DS1. The upper surface of the electronic device 1000 may have a plane defined by a first direction DR1 and a second direction DR2. An image IM generated by the electronic device 1000 may be provided to a user through the display surface DS1. As an example of the image IM, Figure 1 The middle figure shows the clock display window and application icons.
[0052] In various embodiments, the display surface DS1 may include an active area AA and a peripheral area NA adjacent to the active area AA. The active area AA may be operated by an electrical signal. The peripheral area NA may surround the active area AA and define an edge of the electronic device 1000, which may be printed in a predetermined color. However, in various embodiments, the peripheral area NA may be adjacent to only a portion of the active area AA or may be omitted.
[0053] In various embodiments, the electronic device 1000 may include a large electronic device such as a television, a monitor, or an external billboard. In addition, the electronic device 1000 may include a small or medium-sized electronic device such as a personal computer (e.g., a notebook computer and a tablet computer), a personal digital terminal, a car navigation system, a game console, a smart phone, or a camera. However, this is exemplary and may include other electronic devices without departing from the concept of the present invention.
[0054] In various embodiments, the electronic device 1000 may be a flexible electronic device, wherein, for example, the electronic device 1000 may be a foldable electronic device.
[0055] Figure 2 is a schematic block diagram of an electronic device according to an embodiment of the inventive concept.
[0056] refer to Figure 2 , the electronic device 1000 may include a display layer 100 , a sensor layer 200 , a touch driving unit 200C, and a driving unit 1100C.
[0057] In various embodiments, the display layer 100 may be substantially generated including the image IM (see Figure 1 ). The display layer 100 may be a light-emitting display layer, wherein, for example, the display layer 100 may be an organic light-emitting display layer, a quantum dot display layer, a micro-LED display layer, or a nano-LED display layer.
[0058] In various embodiments, the sensor layer 200 may be provided on the display layer 100. The sensor layer 200 may sense an external input 2000 applied from outside the electronic device 1000, wherein, for example, the sensor layer 200 may sense an external input 2000 applied by a user's body.
[0059] In various embodiments, the driving unit 1100C may include a display driving unit 100C and a controller 1000C. The driving unit 1100C may transmit a synchronization signal VB_sync to the touch driving unit 200C. For example, the display driving unit 100C may transmit the synchronization signal VB_sync to the touch driving unit 200C, or the controller 1000C may transmit the synchronization signal VB_sync to the touch driving unit 200C.
[0060] In various embodiments, the synchronization signal VB_sync can convert the data voltage Vdata (see Figure 4 ) is input to the segment of the display layer 100 and the data voltage Vdata (see Figure 4 ) are not distinguished by the segments provided to the display layer 100.
[0061] In various embodiments, the driving unit 1100C may sense the noise determined to be generated in the display layer 100 based on the input image RGB, and transmit the noise value NS to the touch driving unit 200C. For example, the display driving unit 100C may transmit the noise value NS to the touch driving unit 200C, or the controller 1000C may transmit the noise value NS to the touch driving unit 200C.
[0062] In various embodiments, the controller 1000C may control the overall operation of the electronic device 1000 or sense changes in the electronic device 1000, wherein, for example, the controller 1000C may control the operation of the display driving unit 100C and the touch driving unit 200C. The controller 1000C may include at least one microprocessor, and the controller 1000C may be referred to as a host.
[0063] In various embodiments, the display driving unit 100C may control the display layer 100. The controller 1000C may further include a graphic controller. The display driving unit 100C may receive an input image RGB and a control signal D-CS from the controller 1000C.
[0064] In various embodiments, the control signal D-CS may include various signals, wherein, for example, the control signal D-CS may include an input vertical synchronization signal, an input horizontal synchronization signal, a main clock signal, a data enable signal, and the like.
[0065] In various embodiments, the touch drive unit 200C may control the sensor layer 200. The touch drive unit 200C may receive a control signal I-CS from the controller 1000C, wherein the control signal I-CS may include a clock signal. The touch drive unit 200C may calculate coordinate information of an external input based on a signal received from the sensor layer 200, and provide a coordinate signal I-SS including the coordinate information to the controller 1000C. Based on the coordinate signal I-SS, the controller 1000C may perform an operation corresponding to the user's input. For example, based on the coordinate signal I-SS, the controller 1000C may operate the display drive unit 100C so that a new application image is displayed on the display layer 100.
[0066] Figure 3 is a cross-sectional view of an electronic device according to an embodiment of the inventive concept.
[0067] refer to Figure 3 , the electronic device 1000 may include a display layer 100 and a sensor layer 200. The display layer 100 may include a base layer 110, a circuit layer 120, a light emitting element layer 130, and an encapsulation layer 140.
[0068] In various embodiments, the base layer 110 may be a member configured to provide a base surface on which the circuit layer 120 is disposed. The base layer 110 may be a glass substrate, a metal substrate, or a polymer substrate; however, embodiments of the inventive concept are not limited thereto, and the base layer 110 may be an inorganic layer, an organic layer, or a composite material layer.
[0069] In various embodiments, the base layer 110 may have a multi-layer structure. For example, the base layer 110 may include a first synthetic resin layer, a silicon oxide (SiO x ) layer, an amorphous silicon (a-Si) layer disposed on the silicon oxide layer, and a second synthetic resin layer disposed on the amorphous silicon layer. The silicon oxide layer and the amorphous silicon layer may be referred to as a base barrier layer.
[0070] In various embodiments, each of the first synthetic resin layer and the second synthetic resin layer may include a polyimide resin. In addition, each of the first synthetic resin layer and the second synthetic resin layer may include at least one of an acrylic resin, a methacrylic resin, a polyisoprene resin, a vinyl resin, an epoxy resin, a urethane resin, a cellulose resin, a siloxane resin, a polyamide resin, and a perylene resin. It should be understood that in this specification, "~~" type resin refers to a functional group including "~~".
[0071] In various embodiments, the circuit layer 120 may be disposed on the base layer 110. The circuit layer 120 may include an insulating layer, a semiconductor pattern, a conductive pattern, and a signal line. The insulating layer, the semiconductor layer, and the conductive layer may be formed on the base layer 110 by a method such as coating or deposition. The insulating layer, the semiconductor layer, and the conductive layer may be selectively patterned by a plurality of photolithography processes. The semiconductor pattern, the conductive pattern, and the signal line included in the circuit layer 120 may be formed.
[0072] In various embodiments, the light emitting element layer 130 may be disposed on the circuit layer 120. The light emitting element layer 130 may include a light emitting element. For example, the light emitting element layer 130 may include an organic light emitting material, quantum dots, quantum rods, micro-LEDs, or nano-LEDs.
[0073] In various embodiments, the encapsulation layer 140 may be disposed on the light emitting element layer 130. The encapsulation layer 140 may protect the light emitting element layer 130 from moisture, oxygen, and foreign substances such as dust particles.
[0074] In various embodiments, the sensor layer 200 may be formed on the display layer 100 by a continuous process, wherein the sensor layer 200 may be directly disposed on the display layer 100. Directly disposed may mean that a third component is not disposed between the sensor layer 200 and the display layer 100, for example, a separate adhesive member may not be disposed between the sensor layer 200 and the display layer 100. Alternatively, the sensor layer 200 may be coupled to the display layer 100 by an adhesive member. The adhesive member may include an adhesive or a glue.
[0075] Figure 4 is a block diagram of a display layer and a display driving unit according to an embodiment of the inventive concept.
[0076] refer to Figure 4 , a display active area DP-AA and a display peripheral area DP-NAA surrounding the display active area DP-AA may be defined in the display layer 100. The display active area DP-AA may be activated according to an electrical signal. The display active area DP-AA may be connected to the electronic device 1000 (see Figure 1 ) of the active area AA (see Figure 1 ) and the display peripheral area DP-NAA may overlap with the electronic device 1000 (see Figure 1 ) of the peripheral area NA (see Figure 1 )overlapping.
[0077] In various embodiments, the display layer 100 may include a plurality of first scan lines SL1 to SLn, a plurality of second scan lines GL1 to GLn, a plurality of third scan lines HL1 to HLn, a plurality of light emission control lines EL1 to ELn, a plurality of data lines DL1 to DLm, and a plurality of pixels PX. Each of the plurality of first scan lines SL1 to SLn, the plurality of second scan lines GL1 to GLn, the plurality of third scan lines HL1 to HLn, and the plurality of light emission control lines EL1 to ELn may extend in a first direction DR1, and the plurality of first scan lines SL1 to SLn, the plurality of second scan lines GL1 to GLn, the plurality of third scan lines HL1 to HLn, and the plurality of light emission control lines EL1 to ELn may be arranged to be spaced apart from each other in a second direction DR2. Each of the plurality of data lines DL1 to DLm may extend in a second direction DR2, and the plurality of data lines DL1 to DLm may be arranged to be spaced apart from each other in the first direction DR1. Here, m and n are each a natural number greater than 0.
[0078] In various embodiments, the display driving unit 100C may include a signal control circuit 100C1, a gate driving unit 100C2, a light emitting driving unit 100C3, and a data driving unit 100C4. Since the signal control circuit 100C1 and the data driving unit 100C4 are integrally provided, the display driving unit 100C may be referred to as a timing controller embedded data driver (TED).
[0079] In various embodiments, the signal control circuit 100C1 can be obtained from the controller 1000C (see Figure 2 ) receives the input image RGB and the control signal D-CS.
[0080] In various embodiments, the signal control circuit 100C1 may generate a first control signal CONT1 based on a control signal D-CS received through the signal control circuit 100C1, and may generate a vertical synchronization signal Vsync based on the control signal D-CS received through the signal control circuit 100C1. The signal control circuit 100C1 may output the first control signal CONT1 and the vertical synchronization signal Vsync to the gate driving unit 100C2, wherein the vertical synchronization signal Vsync may be included in the first control signal CONT1.
[0081] In various embodiments, the signal control circuit 100C1 may generate a second control signal CONT2 based on the control signal D-CS received by the signal control circuit 100C1, and generate a horizontal synchronization signal Hsync based on the control signal D-CS received by the signal control circuit 100C1. The signal control circuit 100C1 may output the second control signal CONT2 and the horizontal synchronization signal Hsync to the data driving unit 100C4, wherein the horizontal synchronization signal Hsync may be included in the second control signal CONT2.
[0082] In various embodiments, the signal control circuit 100C1 may generate a third control signal ECS based on the control signal D-CS received through the signal control circuit 100C1 and output the third control signal ECS to the light emitting driving unit 100C3 .
[0083] In various embodiments, the signal control circuit 100C1 may output a data signal DS obtained by processing the input image RGB to the data driving unit 100C4, wherein the data signal DS may be configured for an operating condition of the display layer 100. The first control signal CONT1 and the second control signal CONT2 may be used for operations of the gate driving unit 100C2 and the data driving unit 100C4, respectively.
[0084] In various embodiments, the signal control circuit 100C1 may be referred to as a timing controller.
[0085] In various embodiments, the gate driving unit 100C2 may supply a gate pulse synchronized with the data voltage Vdata to the plurality of first scan lines SL1 to SLn, the plurality of second scan lines GL1 to GLn, and the plurality of third scan lines HL1 to HLn in response to the first control signal CONT1 and the vertical synchronization signal Vsync. In an embodiment, the gate driving unit 100C2 may be connected to the circuit layer 120 (see FIG. 1 ) in the display layer 100. Figure 3 ) are formed by the same process, but the embodiments of the inventive concept are not limited thereto. The gate driving unit 100C2 may be directly mounted on a predetermined area of the display layer 100 as an integrated circuit (IC) or mounted on a separate printed circuit board in a chip on film (COF) method, and may be electrically connected to the display layer 100. The gate driving unit 100C2 may be mounted on a predetermined area of the display layer 100 as an integrated circuit (IC) or mounted on a separate printed circuit board in a chip on film (COF) method, and may be electrically connected to the display layer 100. Figure 8 ) data input section AT (see Figure 8 ) during which a gate pulse synchronized with the data voltage Vdata is supplied to the gate line of the display layer 100.
[0086] In various embodiments, the light emitting driving unit 100C3 receives the third control signal ECS from the signal control circuit 100C1. The light emitting driving unit 100C3 may output the light emitting control signal to the light emitting control lines EL1 to ELn in response to the third control signal ECS.
[0087] In various embodiments, the data driving unit 100C4 may supply a data voltage Vdata to the plurality of data lines DL1 to DLm in response to the second control signal CONT2 from the signal control circuit 100C1, the horizontal synchronization signal Hsync, and the data signal DS. The data voltage Vdata may be an analog voltage corresponding to the grayscale value of the data signal DS.
[0088] In an embodiment, the data driving unit 100C4 may be configured to display the frame FR (see Figure 8 ) data input section AT (see Figure 8 ) period, the corresponding data voltage Vdata is output to each of the data lines DL1 to DLm.
[0089] In various embodiments, the data driving unit 100C4 may be electrically connected to the display layer 100, wherein the data driving unit 100C4 may be directly mounted as an integrated circuit in a predetermined area of the display layer 100 or mounted on a separate printed circuit board in a chip-on-film method. The data driving unit 100C4 may be connected to the circuit layer 120 (see FIG. Figure 3 ) are formed by the same process. The data driving unit 100C4 may also be referred to as a data driver.
[0090] Figure 5 FIG. 1 illustrates a sensor layer and a touch driving unit according to an embodiment of the inventive concept.
[0091] refer to Figure 5 , the sensor layer 200 may include a sensor active area IS-AA and a sensor peripheral area IS-NAA adjacent to the sensor active area IS-AA. The sensor active area IS-AA may be activated according to an electrical signal, wherein the sensor active area IS-AA may sense an input. When viewed on a plane, the sensor active area IS-AA may be aligned with the display layer 100 (see Figure 4 ) of the display active area DP-AA (see Figure 4 ). The sensor peripheral area IS-NAA may overlap with the display layer 100 (see Figure 4 ) of the display peripheral area DP-NAA (see Figure 4 )overlapping.
[0092] In various embodiments, the sensor layer 200 may include a base layer 201, a plurality of sensing electrodes SP, and a plurality of sensing lines TL1 and TL2. The plurality of sensing electrodes SP may be disposed in the sensor active area IS-AA. The plurality of sensing lines TL1 and TL2 may be disposed in the sensor peripheral area IS-NAA.
[0093] In various embodiments, the base layer 201 may be an inorganic layer including silicon nitride, silicon oxynitride and / or silicon oxide. The base layer 201 may be an organic layer including epoxy resin, acrylic resin or imide resin. The base layer 201 may be directly formed on the display layer 100 (see Figure 4 )superior.
[0094] In various embodiments, the plurality of sensing electrodes SP may include a plurality of first sensing electrodes (also referred to as first electrodes) TE1 and a plurality of second sensing electrodes (also referred to as second electrodes) TE2. The sensor layer 200 may obtain information about external input through changes in capacitance between the plurality of first sensing electrodes TE1 and the plurality of second sensing electrodes TE2.
[0095] In various embodiments, each of the plurality of first sensing electrodes TE1 may extend along the first direction DR1, and the plurality of first sensing electrodes TE1 may be arranged along the second direction DR2. Each of the plurality of first sensing electrodes TE1 may include a plurality of first sensing patterns SP1 and a plurality of first connection patterns BP1. Each of the plurality of first connection patterns BP1 may electrically connect two adjacent first sensing patterns SP1 to each other. The plurality of first sensing patterns SP1 and the plurality of first connection patterns BP1 may have a mesh structure. The plurality of first sensing patterns SP1 may be referred to as a plurality of first sensing units SP1. The plurality of first connection patterns BP1 may be referred to as a plurality of first connection units BP1. The plurality of first sensing electrodes TE1 may be referred to as a plurality of sensing electrodes.
[0096] In various embodiments, each of the plurality of second sensing electrodes TE2 may extend along the second direction DR2, and the plurality of second sensing electrodes TE2 may be arranged along the first direction DR1. Each of the plurality of second sensing electrodes TE2 may include a plurality of second sensing patterns SP2 and a plurality of second connection patterns BP2. Each of the plurality of second connection patterns BP2 may electrically connect two adjacent second sensing patterns SP2 to each other. The plurality of second sensing patterns SP2 and the plurality of second connection patterns BP2 may have a mesh structure. The plurality of second sensing patterns SP2 may be referred to as a plurality of second sensing units SP2. The plurality of second connection patterns BP2 may be referred to as a plurality of second connection units BP2.
[0097] In various embodiments, the plurality of first connection patterns BP1 may be disposed in a layer different from that of the plurality of second connection patterns BP2. The plurality of second connection patterns BP2 may be insulated from and intersect the plurality of first sensing electrodes TE1. For example, the plurality of first connection patterns BP1 may be insulated from and intersect the plurality of second connection patterns BP2, respectively.
[0098] Figure 5 The diagram illustrates the plurality of sensing electrodes SP having a quadrangular shape, but the inventive concept is not limited thereto. For example, the plurality of sensing electrodes SP may have another polygonal shape.
[0099] In various embodiments, the plurality of sensing electrodes SP may include a conductive material. For example, the conductive material may include a metal or an alloy thereof. The metal may include gold (Au), silver (Ag), aluminum (Al), molybdenum (Mo), chromium (Cr), titanium (Ti), nickel (Ni), neodymium (Nd), copper (Cu), and platinum (Pt). The plurality of sensing electrodes SP may be composed of a transparent conductive material, wherein the transparent conductive material may include silver nanowires (AgNW), indium tin oxide (ITO), indium zinc oxide (IZO), antimony zinc oxide (AZO), indium tin zinc oxide (ITZO), zinc oxide (ZnO), tin oxide (SnO 2), carbon nanotubes, graphene, etc. The plurality of sensing electrodes SP may be composed of a single layer or multiple layers.
[0100] In various embodiments, the plurality of sensing lines TL1 and TL2 may include a plurality of first sensing lines TL1 and a plurality of second sensing lines TL2. The plurality of first sensing lines TL1 may be electrically connected to the plurality of first sensing electrodes TE1, respectively. The plurality of second sensing lines TL2 may be electrically connected to the plurality of second sensing electrodes TE2, respectively.
[0101] In various embodiments, the touch drive unit 200C may be controlled by the controller 1000C (see Figure 2 ) receives the control signal I-CS. The touch driving unit 200C may receive the synchronization signal VB_sync and the noise value NS from the driving unit 1100C.
[0102] Based on the synchronization signal VB_sync, the touch driving unit 200C can be in the first driving mode DMD1 (see Figure 8 ) or the second driving mode DMD2 (see Figure 8 ) controls multiple sensing electrodes SP.
[0103] In various embodiments, the touch drive unit 200C may receive the noise value NS and operate in the first mode MD1 (see FIG. 1 ) based on the received noise value NS. Figure 8 ) or the second mode MD2 (see Figure 8 A detailed description of this will be given later.
[0104] Figure 6 According to the embodiment of the present invention, Figure 5 A cross-sectional view taken along line II'.
[0105] refer to Figure 5 and Figure 6 The sensor layer 200 may include a base layer 201 , a first conductive layer 202 , a sensing insulating layer 203 , a second conductive layer 204 and a cover insulating layer 205 .
[0106] In various embodiments, the first conductive layer 202 may be disposed on the base layer 201. The first conductive layer 202 may include a plurality of second connection patterns BP2. The plurality of second connection patterns BP2 may have a mesh structure.
[0107] In various embodiments, the sensing insulating layer 203 may be disposed on the first conductive layer 202, wherein the sensing insulating layer 203 may have a single-layer or multi-layer structure. The sensing insulating layer 203 may include an inorganic material, an organic material, or a composite material.
[0108] In various embodiments, the second conductive layer 204 may be disposed on the sensing insulating layer 203. The second conductive layer 204 may include a plurality of first sensing patterns SP1, a plurality of first connection patterns BP1, and a plurality of second sensing patterns SP2. The plurality of first sensing patterns SP1, the plurality of second sensing patterns SP2, and the plurality of first connection patterns BP1 may have a mesh structure.
[0109] In various embodiments, each of the first conductive layer 202 and the second conductive layer 204 may have a single-layer structure or a multi-layer structure in which a plurality of layers are stacked in the third direction DR3 .
[0110] In various embodiments, a plurality of contact holes CNT may be formed through the sensing insulation layer 203 in the third direction DR3. Adjacent two second sensing patterns SP2 among the plurality of second sensing patterns SP2 may be electrically connected to the second connection pattern BP2 through the plurality of contact holes CNT.
[0111] In various embodiments, the capping insulating layer 205 may be disposed on the plurality of first sensing patterns SP1, the plurality of first connection patterns BP1, and the plurality of second sensing patterns SP2. The capping insulating layer 205 may have a single layer or multi-layer structure. The capping insulating layer 205 may include an inorganic material, an organic material, or a composite material.
[0112] Figure 6 The figure shows a bottom bridge structure in which the plurality of second connection patterns BP2 are disposed below the plurality of first sensing patterns SP1, the plurality of first connection patterns BP1, and the plurality of second sensing patterns SP2, but the inventive concept is not limited thereto. For example, the sensor layer 200 may have a top bridge structure in which the plurality of second connection patterns BP2 are disposed above the plurality of first sensing patterns SP1, the plurality of first connection patterns BP1, and the plurality of second sensing patterns SP2.
[0113] Figure 7 is a cross-sectional view of an electronic device according to an embodiment of the inventive concept. Figure 7 In the description of Figure 3 and Figure 6 The components described herein are given the same reference numerals, and description thereof is omitted.
[0114] refer to Figure 7 , the electronic device 1000 may include a display layer 100, a sensor layer 200, an anti-reflection layer 300, an adhesive layer ADH, and a window 400. The adhesive layer ADH may be disposed between the anti-reflection layer 300 and the window 400. The adhesive layer ADH may include an adhesive or glue having light transmittance.
[0115] In various embodiments, at least one inorganic layer may be formed on the upper surface of the base substrate 110. The inorganic layer may include at least one of aluminum oxide, titanium oxide, silicon oxide, silicon nitride, silicon oxynitride, zirconium oxide, and hafnium oxide. The inorganic layer may be formed of multiple layers. The multiple inorganic layers may constitute a barrier layer and / or a buffer layer.
[0116] In an embodiment, the display layer 100 may include a buffer layer BFL. The buffer layer BFL may improve the bonding strength between the base layer 110 and the semiconductor pattern. The buffer layer BFL may include at least one of silicon oxide, silicon nitride, and silicon oxynitride. For example, the buffer layer BFL may include a structure in which silicon oxide layers and silicon nitride layers are alternately stacked.
[0117] In various embodiments, the semiconductor pattern may be disposed on the buffer layer BFL. The semiconductor pattern may correspond to one of a plurality of patterns of a semiconductor layer disposed on the buffer layer BFL. The semiconductor pattern may include a metal oxide. In an embodiment of the present inventive concept, the semiconductor pattern may include polycrystalline silicon (e.g., low temperature polycrystalline silicon). However, not limited thereto, the semiconductor pattern may include amorphous silicon or an oxide semiconductor.
[0118] In various embodiments, the metal oxide semiconductor may include a crystalline metal oxide semiconductor or an amorphous metal oxide semiconductor. For example, the metal oxide semiconductor may include a metal oxide containing zinc (Zn), indium (In), gallium (Ga), tin (Sn) or titanium (Ti), or a mixture of metals such as zinc (Zn), indium (In), gallium (Ga), tin (Sn) or titanium (Ti) and their oxides. The oxide semiconductor may include indium tin oxide (ITO), indium gallium zinc oxide (IGZO), zinc oxide (ZnO), indium zinc oxide (IZO), zinc indium oxide (ZIO), indium oxide (InO), titanium oxide (TiO), indium zinc tin oxide (IZTO), zinc tin oxide (ZTO), etc.
[0119] In various embodiments, the semiconductor pattern may include a plurality of regions divided according to whether the metal oxide is reduced. The region in which the metal oxide is reduced (hereinafter referred to as the reduction region) has a higher conductivity than the region in which the metal oxide is not reduced (hereinafter referred to as the non-reduction region). The reduction region is substantially used as the source / drain or signal line of the transistor. The non-reduction region substantially corresponds to the semiconductor region (or channel) of the transistor. In other words, a portion of the semiconductor pattern may be a semiconductor region of the transistor, another portion thereof may be a source / drain of the transistor, and another portion thereof may be a signal transmission region.
[0120] In various embodiments, each of the pixels may have an equivalent circuit including five transistors, two capacitors, and a light emitting element, and the equivalent circuit diagram of the pixel may be modified in various forms. Figure 7 The figure shows a transistor 100PC and a light emitting element 100PE included in a pixel.
[0121] In various embodiments, the source region SC, the active region AL, and the drain region DR of the transistor 100PC may be formed of a semiconductor pattern. The source region SC and the drain region DR may extend from the active region AL in opposite directions to each other in a cross section. Figure 7 The diagram shows a portion of a connection signal line SCL formed of a semiconductor pattern. Although not separately shown, the connection signal line SCL may be connected to a drain region DR of the transistor 100PC.
[0122] In various embodiments, the first insulating layer 10 may be disposed on the buffer layer BFL. The first insulating layer 10 may overlap with a plurality of pixels and cover the semiconductor pattern. The first insulating layer 10 may be an inorganic layer and / or an organic layer, and have a single-layer or multi-layer structure. The first insulating layer 10 may include at least one of aluminum oxide, titanium oxide, silicon oxide, silicon nitride, silicon oxynitride, zirconium oxide, and hafnium oxide. In various embodiments, the first insulating layer 10 may be a single-layer silicon oxide layer. The first insulating layer 10 and the insulating layers described below of the circuit layer 120 may be inorganic layers and / or organic layers, and have a single-layer or multi-layer structure. The inorganic layer may include at least one of the above materials, but the inventive concept is not limited thereto.
[0123] In various embodiments, the gate GT of the transistor 100PC is disposed on the first insulating layer 10. The gate GT may be a part of the metal pattern. The gate GT overlaps the active area AL. The gate GT may be used as a mask in the process of doping the semiconductor pattern.
[0124] In various embodiments, the second insulating layer 20 may be disposed on the first insulating layer 10 and cover the gate GT. The second insulating layer 20 may be an inorganic layer and / or an organic layer, and may have a single layer or a multilayer structure. The second insulating layer 20 may include at least one of silicon oxide, silicon nitride, and silicon oxynitride. In various embodiments, the second insulating layer 20 may have a multilayer structure including a silicon oxide layer and a silicon nitride layer.
[0125] In various embodiments, the third insulating layer 30 may be disposed on the second insulating layer 20, wherein the third insulating layer 30 may have a single layer or a multi-layer structure. For example, the third insulating layer 30 may have a multi-layer structure including a silicon oxide layer and a silicon nitride layer.
[0126] In various embodiments, the first connection electrode CNE1 may be disposed on the third insulating layer 30. The first connection electrode CNE1 may be connected to the connection signal line SCL through a contact hole CNT-1 passing through the first insulating layer 10, the second insulating layer 20, and the third insulating layer 30.
[0127] In various embodiments, the fourth insulating layer 40 may be disposed on the third insulating layer 30. The fourth insulating layer 40 may be a single-layered silicon oxide layer.
[0128] In various embodiments, the fifth insulating layer 50 may be disposed on the fourth insulating layer 40. The fifth insulating layer 50 may be an organic layer.
[0129] In various embodiments, the second connection electrode CNE2 may be disposed on the fifth insulating layer 50. The second connection electrode CNE2 may be connected to the first connection electrode CNE1 through a contact hole CNT-2 passing through the fourth insulating layer 40 and the fifth insulating layer 50.
[0130] In various embodiments, the sixth insulating layer 60 may be disposed on the fifth insulating layer 50 and cover the second connection electrode CNE2. The sixth insulating layer 60 may be an organic layer.
[0131] In various embodiments, the light emitting element layer 130 may be disposed on the circuit layer 120. The light emitting element layer 130 may include a light emitting element 100PE and a pixel defining film 70. The light emitting element layer 130 may include an organic light emitting material, an inorganic light emitting material, an organic-inorganic light emitting material, a quantum dot, a quantum rod, a micro-LED, or a nano-LED. Hereinafter, the light emitting element 100PE is exemplarily described as an organic light emitting element, but the inventive concept is not limited thereto.
[0132] In various embodiments, the light emitting element 100PE may include a first electrode AE, a light emitting layer EL, and a second electrode CE.
[0133] In various embodiments, the first electrode AE may be disposed on the sixth insulating layer 60. The first electrode AE may be connected to the second connection electrode CNE2 through a contact hole CNT-3 passing through the sixth insulating layer 60.
[0134] In various embodiments, the pixel defining film 70 may be disposed on the sixth insulating layer 60 and cover a portion of the first electrode AE. An opening 70-OP is defined in the pixel defining film 70, wherein the opening 70-OP of the pixel defining film 70 exposes at least a portion of the first electrode AE.
[0135] In various embodiments, the active area AA (see Figure 1 ) may include a light emitting area PXA and a non-light emitting area NPXA adjacent to the light emitting area PXA, wherein the non-light emitting area NPXA may be on each of the opposite sides of the light emitting area PXA. The non-light emitting area NPXA may surround the light emitting area PXA. In the present embodiment, the light emitting area PXA is defined to correspond to a partial area of the first electrode AE exposed by the opening 70-OP.
[0136] In various embodiments, the light emitting layer EL may be disposed on the first electrode AE. The light emitting layer EL may be disposed in a region corresponding to the opening 70-OP in the pixel defining film 70, wherein the light emitting layer EL may be formed separately for each of the pixels. When the light emitting layer EL is formed separately for each of the pixels, each of the light emitting layers EL may emit light of at least one color of blue, red, and green. However, not limited thereto, the light emitting layer EL may be formed for a plurality of pixels so as to be commonly included in the plurality of pixels. In this case, the light emitting layer EL may provide blue light or white light.
[0137] In various embodiments, the second electrode CE may be disposed on the light emitting layer EL. The second electrode CE may have an integral shape and be commonly included in a plurality of pixels. The second electrode CE may extend over the pixel defining film 70.
[0138] In various embodiments, the hole control layer may be disposed between the first electrode AE and the light emitting layer EL. The hole control layer may be formed in the light emitting area PXA and the non-light emitting area NPXA. The hole control layer may include a hole transport layer and further include a hole injection layer. The electron control layer may be disposed between the light emitting layer EL and the second electrode CE. The electron control layer may include an electron transport layer and further include an electron injection layer. The hole control layer and the electron control layer may be commonly formed in a plurality of pixels by using an open mask or an inkjet process.
[0139] In various embodiments, the encapsulation layer 140 may be disposed on the light emitting element layer 130. The encapsulation layer 140 may include an inorganic layer, an organic layer, and an inorganic layer stacked in sequence, but the layers constituting the encapsulation layer 140 are not limited thereto. The inorganic layer may protect the light emitting element layer 130 from moisture and oxygen, and the organic layer may protect the light emitting element layer 130 from foreign matter such as dust particles. The inorganic layer may include a silicon nitride layer, a silicon oxynitride layer, a silicon oxide layer, a titanium oxide layer, or an aluminum oxide layer, etc. The organic layer may include an acrylic organic layer, but the inventive concept is not limited thereto.
[0140] In various embodiments, the sensor layer 200 may include a base layer 201 , a first conductive layer 202 , a sensing insulating layer 203 , a second conductive layer 204 , and a cover insulating layer 205 .
[0141] In various embodiments, the base layer 201 may have a single-layer structure or a multi-layer structure in which a plurality of layers are stacked in the third direction DR3.
[0142] In various embodiments, each of the first conductive layer 202 and the second conductive layer 204 may have a single-layer structure or a multi-layer structure in which a plurality of layers are stacked in the third direction DR3 .
[0143] In various embodiments, the single-layer conductive layer may include a metal layer or a transparent conductive layer. The metal layer may include molybdenum, silver, titanium, copper, aluminum or an alloy thereof. The transparent conductive layer may include a transparent conductive oxide such as indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO) or indium zinc tin oxide (IZTO). In addition, the transparent conductive layer may include a conductive polymer such as poly (3,4-ethylenedioxythiophene) (PEDOT), metal nanowires and graphene.
[0144] In various embodiments, the multi-layer conductive layer may include a metal layer. The metal layer may have a three-layer structure of, for example, titanium / aluminum / titanium. The multi-layer conductive layer may include at least one metal layer and at least one transparent conductive layer.
[0145] In various embodiments, the sensing insulating layer 203 and the capping insulating layer 205 may include an inorganic film, and the inorganic film may include at least one of aluminum oxide, titanium oxide, silicon oxide, silicon nitride, silicon oxynitride, zirconium oxide, and hafnium oxide.
[0146] In various embodiments, the sensing insulating layer 203 and the cover insulating layer 205 may include an organic film. The organic film may include at least one of acrylic resin, methacrylic resin, polyisoprene resin, vinyl resin, epoxy resin, urethane resin, cellulose resin, siloxane resin, polyimide resin, polyamide resin, and perylene resin.
[0147] In various embodiments, the anti-reflection layer 300 may be disposed on the sensor layer 200. The anti-reflection layer 300 may include a spacer layer 310, a plurality of color filters 320, and a planarization layer 330.
[0148] In various embodiments, the separation layer 310 may be disposed to overlap the conductive pattern of the second conductive layer 204. The cover insulating layer 205 may be disposed between the separation layer 310 and the second conductive layer 204. In another embodiment of the present inventive concept, the cover insulating layer 205 may be omitted.
[0149] In various embodiments, the partition layer 310 can prevent external light from being reflected by the second conductive layer 204. The material constituting the partition layer 310 is not particularly limited as long as the material can absorb light. The partition layer 310 can be a layer having a black color, and in an embodiment of the inventive concept, the partition layer 310 can include a black colorant. The black colorant can include a black dye and / or a black pigment. The black colorant can include carbon black, a metal such as chromium, or an oxide thereof.
[0150] In various embodiments, a partition opening 310-OP may be defined in the partition layer 310, wherein the partition opening 310-OP may overlap the light emitting layer EL. The color filter 320 may be disposed to correspond to the partition opening 310-OP. The color filter 320 may transmit light of a predetermined wavelength band provided from the light emitting layer EL overlapping the color filter 320.
[0151] In various embodiments, the planarization layer 330 may cover the separation layer 310 and the color filter 320. The planarization layer 330 may include an organic material and provide a flat surface on an upper surface of the planarization layer 330. In an embodiment of the inventive concept, the planarization layer 330 may be omitted.
[0152] In an embodiment of the inventive concept, the anti-reflection layer 300 may include a reflection control layer instead of the color filter 320. For example, the color filter 320 may be omitted, and the reflection control layer may be added at a location where the color filter 320 is omitted. The reflection control layer may selectively absorb light in a partial wavelength band among light reflected from the inside of the display panel and / or the electronic device and light incident from the outside of the display panel and / or the electronic device.
[0153] For example, since the reflection control layer absorbs light in a first wavelength range of about 490 nm to about 505 nm and a second wavelength range of about 585 nm to about 600 nm, the transmittance in the first wavelength range and the second wavelength range can be controlled to be about 40% or less. The reflection control layer can absorb light having a wavelength that does not belong to the wavelength range of red light, green light, and blue light emitted from the light-emitting layer EL. In this way, by absorbing light having a wavelength that does not belong to the wavelength range of red light, green light, and blue light emitted from the light-emitting layer EL, the reflection control layer can prevent or minimize a reduction in the brightness of the display panel and / or the electronic device. In addition, at the same time, the degradation of the luminous efficiency of the display panel and / or the electronic device can be prevented or minimized, and visibility can be improved.
[0154] In various embodiments, the reflection control layer may include an organic material layer containing a dye, a pigment, or a combination thereof. The reflection control layer may include tetraazaporphyrin (TAP) compounds, porphyrin compounds, metal porphyrin compounds, oxazine compounds, squarylium compounds, triarylmethane compounds, polymethine compounds, anthraquinone compounds, phthalocyanine compounds, azo compounds, perylene compounds, xanthene compounds, diimine compounds, dipyrromethene compounds, cyanine compounds, and combinations thereof.
[0155] In an embodiment, the reflection control layer may have a transmittance of about 64% to about 72%.The transmittance of the reflection control layer may be adjusted according to the amount of pigment and / or dye included in the reflection control layer.
[0156] In an embodiment, the anti-reflection layer 300 may include a polarizing film (instead of the separator 310), a plurality of color filters 320, and a planarization layer 330. For example, the anti-reflection layer 300 may include a retarder and a polarizer. The retarder may be a film type or a liquid crystal coating type, and include a λ / 2 retarder and / or a λ / 4 retarder. The polarizer may also be a film type, and include a stretched synthetic resin film. The retarder and the polarizer may further include a protective film. The retarder and the polarizer themselves or the protective film may be the base layer of the anti-reflection layer 300.
[0157] In various embodiments, the adhesive layer ADH may be disposed between the anti-reflection layer 300 and the window 400. The adhesive layer ADH may include an optically transparent adhesive, an optically transparent resin, or a pressure sensitive adhesive (PSA).
[0158] In various embodiments, the window 400 may be disposed on the anti-reflection layer 300. The window 400 may include an optically transparent insulating material, wherein, for example, the window 400 may include glass or plastic. The window 400 may have a multi-layer structure or a single-layer structure. For example, the window 400 may include a plurality of plastic films bonded together with an adhesive, or include a glass substrate and a plastic film bonded together with an adhesive.
[0159] Figure 8 2 is a waveform diagram of signals applied by a touch driving unit and a driving unit according to an embodiment of the inventive concept.
[0160] refer to Figure 2 , Figure 4 , Figure 5 and Figure 8 , the driving unit 1100C may sense the noise value NS to be applied to the sensor layer 200 based on the input image RGB to be provided in the next display frame FR. For example, the noise value NS according to the input image RGB may be stored in the memory of the driving unit 1100C in the form of a lookup table. The driving unit 1100C may transmit the sensed noise value NS to the touch driving unit 200C. The touch driving unit 200C may operate in the first mode MD1 or the second mode MD2 based on the noise value NS.
[0161] In various embodiments, the display layer 100 may display an image IM in units of one display frame FR (see Figure 1 ). One display frame FR may be defined as a section from a rising edge of a vertical synchronization signal Vsync to a next rising edge thereof. However, this is an example, and the definition of a display frame FR according to an embodiment of the inventive concept is not limited thereto. For example, one display frame FR may be defined as a section from a falling edge of a vertical synchronization signal Vsync to a next falling edge thereof.
[0162] In various embodiments, the display refresh rate of the display layer 100 may have a first frequency. The first frequency may be about 120 Hz. However, this is an example, and the display refresh rate of an embodiment of the inventive concept is not limited thereto, wherein, for example, the display refresh rate may be about 60 Hz.
[0163] In various embodiments, one display frame FR may include a blank section VB and a data input section AT. The synchronization signal VB_sync may be defined by the data input section AT and the blank section VB. The blank section VB may be a section in which the synchronization signal VB_sync is activated, and the data input section AT may be a section in which the synchronization signal VB_sync is deactivated. For example, the synchronization signal VB_sync may be a flag signal for distinguishing the blank section VB.
[0164] In various embodiments, the input image RGB may include a first portion A1 and a second portion A2. The first portion A1 may be a portion to which data of the input image RGB is not provided. The second portion A2 may be a portion to which data of the input image RGB is provided.
[0165] In various embodiments, the data input section AT may be a section in which the second portion A2 is provided to the display layer 100. In the data input section AT, the data voltage Vdata based on the input image RGB may be provided to the display layer 100. The blank section VB may be a section in which the first portion A1 is provided to the display layer 100. In the blank section VB, the data voltage Vdata based on the input image RGB may not be provided to the display layer 100. The width of the blank section VB may be smaller than that of the data input section AT.
[0166] In various embodiments, the touch drive unit 200C may sense the sensor layer 200 in units of sensing frames SFR1 and SFR2. The touch report rate of the sensor layer 200 may have a second frequency. The first frequency may be lower than or equal to the second frequency. For example, the touch report rate may be about 240 Hz or about 120 Hz. However, this is an example, and the touch report rate according to the inventive concept is not limited thereto. For example, the touch report rate may be equal to the display refresh rate or twice the display refresh rate.
[0167] In various embodiments, the sensing frames SFR1 and SFR2 may include a first sensing frame SFR1 and a second sensing frame SFR2. The first segment W1 of the first sensing frame SFR1 may overlap with the data input segment AT, and the second segment W2 of the second sensing frame SFR2 may overlap with the blank segment VB. The first segment W1 and the second segment W2 may be distinguished by a synchronization signal VB_sync. The width of the second sensing frame SFR2 may be smaller than the width of the first sensing frame SFR1.
[0168] In various embodiments, the synchronization signal VB_sync may be transmitted from the driving unit 1100C to the touch driving unit 200C. The first segment W1 may be a segment in which the synchronization signal VB_sync is deactivated, and the second segment W2 may be a segment in which the synchronization signal VB_sync is activated. The width of the second segment W2 may be smaller than the width of the first segment W1.
[0169] In various embodiments, the driving unit 1100C may sense the noise value NS based on the input image RGB to be provided in the next display frame FR, and transmit the noise value NS to the touch driving unit 200C. Based on the noise value NS, the touch driving unit 200C may operate in the first mode MD1 or in the second mode MD2. The touch driving unit 200C may operate in the first mode MD1 in response to the noise value NS being less than a predetermined noise level, and the touch driving unit 200C may operate in the second mode MD2 in response to the noise value NS being greater than or equal to the predetermined noise level.
[0170] In various embodiments, in the first mode MD1, the touch drive unit 200C may operate in the first drive mode DMD1 in the first section W1. Operating in the first drive mode DMD1 may result in the plurality of touch drive signals TX1, TX2, TX3, and TX4 (see Fig. 9 ) are sequentially applied to the plurality of first sensing electrodes TE1.
[0171] In various embodiments, in the first mode MD1, the touch drive unit 200C may operate in the second drive mode DMD2 in the second segment W2. Operating in the second drive mode DMD2 may result in the plurality of touch drive signals TX1, TX2, TX3, and TX4 (see Fig. 9 ) are simultaneously applied to the plurality of first sensing electrodes TE1.
[0172] In various embodiments, in the first mode MD1, the display refresh rate of the display layer 100 may be lower than the touch report rate of the sensor layer 200. For example, the display refresh rate of the display layer 100 may be about 120 Hz, and the touch report rate of the sensor layer 200 may be about 240 Hz.
[0173] In various embodiments, in the second mode MD2, the touch drive unit 200C may operate in the second drive mode DMD2 only in the second section W2. In this case, the touch drive unit 200C may not transmit the plurality of touch drive signals TX1, TX2, TX3, and TX4 (see Fig. 9 ) are provided to a plurality of first sensing electrodes TE1.
[0174] In various embodiments, in the second mode MD2, the display refresh rate of the display layer 100 may be the same as the touch report rate of the sensor layer 200. For example, the display refresh rate of the display layer 100 may be about 120 Hz, and the touch report rate of the sensor layer 200 may be about 120 Hz.
[0175] In various embodiments, the touch drive unit 200C may, in the second mode MD2, transmit fewer touch drive signals TX1, TX2, TX3, and TX4 (see FIG. 1 ) than in the first mode MD1. Fig. 9 ) is applied to the plurality of first sensing electrodes TE1. In various embodiments, in an environment where the noise value NS is relatively high, the touch drive unit 200C may apply the plurality of touch drive signals TX1, TX2, TX3, and TX4 (see Fig. 9 ) are provided to a plurality of first sensing electrodes TE1.
[0176] In various embodiments, in response to the noise value NS being less than a predetermined noise level, the touch drive unit 200C may operate in the first mode MD1. The first mode MD1 may operate in the first drive mode DMD1 during the first sensing frame SFR1, and in the second drive mode DMD2 during the second sensing frame SFR2. In various embodiments, in the data input section AT in which the data voltage Vdata is provided to the display layer 100, the touch drive unit 200C may operate in the first drive mode DMD1, and in the blank section VB in which the data voltage Vdata is not provided to the display layer 100, the touch drive unit 200C may operate in the second drive mode DMD2. The touch drive unit 200C may operate in the first drive mode DMD1 and the second drive mode DMD2 during one display frame FR. The touch report rate of the sensor layer 200 may be improved. Accordingly, an electronic device 1000 with improved sensing reliability may be provided.
[0177] In various embodiments, in response to the noise value NS being greater than or equal to the predetermined noise level, the touch drive unit 200C may operate in the second mode MD2. The second mode MD2 may not operate during the first sensing frame SFR1, and may operate in the second driving mode DMD2 during the second sensing frame SFR2. In various embodiments, in the data input section AT in which the noise generated in the display layer 100 is relatively high, the touch drive unit 200C may not operate, and in the blank section VB in which the noise generated in the display layer 100 is relatively low, the touch drive unit 200C may operate in the second driving mode DMD2. In the second section W2 in which the data voltage Vdata is not provided to the display layer 100, by providing the touch drive signal to the plurality of first sensing electrodes TE1, the signal of the display layer 100 and the touch drive signal may not overlap each other. The sensitivity may be improved by increasing the signal-to-noise ratio (SNR) of the sensor layer 200 and the touch drive unit 200C. Accordingly, an electronic device 1000 with improved sensing reliability may be provided.
[0178] In various embodiments, the touch drive unit 200C may operate in the first mode MD1 or in the second mode MD2 according to the noise value NS. The touch drive unit 200C may operate in the first mode MD1 in response to the noise value NS being less than a predetermined noise level, and in the second mode MD2 in response to the noise value NS being greater than or equal to the predetermined noise level. When the touch drive unit 200C operates in different modes according to circumstances, noise that may be generated in the sensor layer 200 may be reduced. The sensitivity may be improved by increasing the signal-to-noise ratio (SNR) of the sensor layer 200 and the touch drive unit 200C. Accordingly, an electronic device 1000 having improved sensing reliability may be provided.
[0179] Fig. 9 According to the embodiment of the present invention Figure 5 A partial enlarged view of the area AA'. Fig. 9 In the description of Figure 5 The components described in the drawings use the same reference numerals, and their description may be omitted.
[0180] refer to Figure 5 and Fig. 9 , the touch driving unit 200C may transmit a plurality of touch driving signals TX1 , TX2 , TX3 , and TX4 to the plurality of first sensing electrodes TE1 , respectively.
[0181] When the plurality of sensing electrodes SP are mutual capacitance type sensing electrodes, the plurality of second sensing electrodes TE2 may output touch sensing signals RX respectively corresponding to the plurality of touch driving signals TX1 , TX2 , TX3 , and TX4 respectively input into the plurality of first sensing electrodes TE1 . Fig. 9 One touch sensing signal RX is illustrated, but embodiments of the inventive concept are not limited thereto. For example, two or more touch sensing signals RX may be output.
[0182] In various embodiments, the touch drive unit 200C may calculate coordinate information of an external input based on the touch sensing signal RX, and provide a coordinate signal I-SS including the coordinate information to the controller 1000C (see Figure 2 ).
[0183] In various embodiments, the touch drive unit 200C may receive a synchronization signal VB_sync and a noise value NS from the drive unit 1100C.
[0184] Based on the synchronization signal VB_sync, the touch driving unit 200C can be in the first driving mode DMD1 (see Figure 8 ) or in the second driving mode DMD2 (see Figure 8 ) controls the plurality of sensing electrodes SP in the first mode MD1. The touch drive unit 200C may receive the noise value NS, and based on the received noise value NS, the touch drive unit 200C may operate in the first mode MD2 (see Figure 8 ) or in the second mode MD2 (see Figure 8 )
[0185] Fig.10 is a waveform diagram of a touch driving signal in a first mode according to an embodiment of the inventive concept. Fig.11 is a waveform diagram of a touch driving signal in the second mode according to an embodiment of the inventive concept.
[0186] refer to Figure 8 , Fig. 9 and Fig.10 , the driving unit 1100C may transmit a noise value NS less than a predetermined noise level to the touch driving unit 200C. In this case, the touch driving unit 200C may operate in the first mode MD1.
[0187] When operating in the first mode MD1 , the touch driving unit 200C may operate in the first driving mode DMD1 in the first sensing frame SFR1 .
[0188] In the first driving mode DMD1 , the touch driving unit 200C may transmit the first touch driving signal TX1 to the 1-1th sensing electrode among the plurality of first sensing electrodes TE1 .
[0189] After transmitting the first touch driving signal TX1 , the touch driving unit 200C may transmit the second touch driving signal TX2 to a 1-2 th sensing electrode adjacent to a 1-1 th sensing electrode among the plurality of first sensing electrodes TE1 .
[0190] After transmitting the second touch driving signal TX2 , the touch driving unit 200C may transmit the third touch driving signal TX3 to 1 - 3 nd sensing electrodes adjacent to the 1 - 2 nd sensing electrode among the plurality of first sensing electrodes TE1 .
[0191] After transmitting the third touch driving signal TX3 , the touch driving unit 200C may transmit the fourth touch driving signal TX4 to 1st to 4th sensing electrodes adjacent to the 1st to 3rd sensing electrodes among the plurality of first sensing electrodes TE1 .
[0192] In various embodiments, in the first driving mode DMD1 , the touch driving unit 200C may sequentially transmit the first, second, third, and fourth touch driving signals TX1 , TX2 , TX3 , and TX4 to the plurality of first sensing electrodes TE1 , respectively.
[0193] When the touch drive signal is simultaneously provided to the plurality of first sensing electrodes TE1 in the data input section AT, noise may be generated in the display layer 100 due to the touch drive signal, resulting in degradation of image quality (e.g., flickering phenomenon). However, the touch drive unit 200C may sequentially transmit the plurality of touch drive signals TX1, TX2, TX3, and TX4 to the plurality of sensing electrodes in the data input section AT, respectively, in which case the number of signals provided simultaneously may be reduced. In the sensor layer 200 configured to operate in the first drive mode DMD1, the amount of signals provided simultaneously may be reduced, so that interference between the display layer 100 and the sensor layer 200 may be reduced. Accordingly, degradation of image quality may be reduced, so that an electronic device 1000 having improved display quality may be obtained.
[0194] In response to the synchronization signal VB_sync being activated while the touch driving unit 200C operates in the first mode MD1 , the touch driving unit 200C may operate in the second driving mode DMD2 in the second sensing frame SFR2 .
[0195] In the second driving mode DMD2 , the touch driving unit 200C may simultaneously transmit a plurality of touch driving signals TX1 , TX2 , TX3 , and TX4 to the plurality of first sensing electrodes TE1 , respectively.
[0196] When the noise value NS is less than a predetermined noise level, the touch drive unit 200C may operate in the first mode MD1. The first mode MD1 may operate in the first drive mode DMD1 during the first sensing frame SFR1, and in the second drive mode DMD2 during the second sensing frame SFR2. In the data input section AT in which the data voltage Vdata is provided to the display layer 100, the touch drive unit 200C may operate in the first drive mode DMD1 to prevent image quality degradation, and in the blank section VB in which the data voltage Vdata is not provided to the display layer 100, the touch drive unit 200C may operate in the second drive mode DMD2 to ensure a signal-to-noise ratio. In the first mode MD1, the touch drive unit 200C may operate in the first drive mode DMD1 and the second drive mode DMD2 during one display frame FR. The touch report rate of the sensor layer 200 may be improved. Accordingly, an electronic device 1000 with improved sensing reliability may be provided.
[0197] refer to Figure 8 , Fig. 9 and Fig.11 , the driving unit 1100C may transmit a noise value NS greater than or equal to a predetermined noise level to the touch driving unit 200C. In this case, the touch driving unit 200C may operate in the second mode MD2.
[0198] When operating in the second mode MD2 , the touch driving unit 200C may not transmit the plurality of touch driving signals TX1 , TX2 , TX3 , and TX4 to the plurality of first sensing electrodes TE1 in the first sensing frame SFR1 .
[0199] In response to the synchronization signal VB_sync being activated while the touch driving unit 200C operates in the second mode MD2 , the touch driving unit 200C may operate in the second driving mode DMD2 in the second sensing frame SFR2 .
[0200] In the second driving mode DMD2 , the touch driving unit 200C may simultaneously transmit a plurality of touch driving signals TX1 , TX2 , TX3 , and TX4 to the plurality of first sensing electrodes TE1 , respectively.
[0201] When the noise value NS is greater than or equal to the predetermined noise level, the touch drive unit 200C may operate in the second mode MD2. The second mode MD2 may not operate during the first sensing frame SFR1, and may operate in the second driving mode DMD2 during the second sensing frame SFR2. In the data input section AT in which the noise generated in the display layer 100 is relatively high, the touch drive unit 200C may not operate, and in the blank section VB in which the noise generated in the display layer 100 is relatively low, the touch drive unit 200C may operate in the second driving mode DMD2. In the second section W2 in which the data voltage Vdata is not provided to the display layer 100, by providing a plurality of touch drive signals TX1, TX2, TX3, and TX4 to the plurality of first sensing electrodes TE1, the signal of the display layer 100 and the plurality of touch drive signals TX1, TX2, TX3, and TX4 may not overlap each other during the same time. The sensitivity may be improved by increasing the signal-to-noise ratio (SNR) of the sensor layer 200 and the touch drive unit 200C. Accordingly, the electronic device 1000 having improved sensing reliability may be provided.
[0202] In various embodiments, the second mode MD2 may not operate during the first sensing frame SFR1, and operate in the second driving mode DMD2 during the second sensing frame SFR2. The driving time of the touch driving unit 200C may be shortened. Accordingly, an electronic device 1000 with reduced power consumption may be provided.
[0203] In various embodiments, the touch driving unit 200C may apply more touch driving signals TX1 , TX2 , TX3 , and TX4 to the plurality of first sensing electrodes TE1 in the first mode MD1 than in the second mode MD2 .
[0204] Fig.12 is a waveform diagram of signals applied by a touch driving unit and a driving unit according to an embodiment of the inventive concept. Fig.12 In the description of Figure 8 The components described in the drawings use the same reference numerals, and their description may be omitted.
[0205] refer to Figure 2 , Figure 4 , Figure 5 and Fig.12, the driving unit 1100C may sense the noise value NS to be applied to the sensor layer 200 based on the input image RGB to be provided in the next display frame FR. For example, the noise value NS according to the input image RGB may be stored in the memory of the driving unit 1100C in the form of a lookup table. The driving unit 1100C may transmit the sensed noise value NS to the touch driving unit 200C. The touch driving unit 200C may operate in the 1-1st mode MD1-1 or the 2-1st mode MD2-1 based on the noise value NS.
[0206] In various embodiments, the touch drive unit 200C may sense the sensor layer 200 in units of sensing frames SFR1-1, SFR1-2, and SFR2. The touch report rate of the sensor layer 200 may have a second frequency. The first frequency may be lower than or equal to the second frequency. For example, the touch report rate may be about 360 Hz or about 120 Hz. However, this is an example, and the touch report rate of the embodiment conceived by the present invention is not limited thereto. For example, the touch report rate may be equal to the display refresh rate or three times the display refresh rate.
[0207] In various embodiments, the sensing frames SFR1-1, SFR1-2, and SFR2 may include a 1-1st sensing frame SFR1-1, a 1-2nd sensing frame SFR1-2, and a second sensing frame SFR2. The 1-1st section W1-1 of the 1-1st sensing frame SFR1-1 and the 1-2nd section W1-2 of the 1-2nd sensing frame SFR1-2 may overlap with the data input section AT, and the second section W2 of the second sensing frame SFR2 may overlap with the blank section VB. For example, the 1-1st sensing frame SFR1-1 may overlap with a portion of the data input section AT, and the 1-2nd sensing frame SFR1-2 may overlap with the remaining portion of the data input section AT. The 1-1st sensing frame SFR1-1 may be referred to as a first sensing frame, and the 1-2nd sensing frame SFR1-2 may be referred to as a third sensing frame.
[0208] In various embodiments, the touch drive unit 200C may operate in the 1-1 mode MD1-1 or the 2-1 mode MD2-1 based on the noise value NS. The touch drive unit 200C may operate in the 1-1 mode MD1-1 when the noise value NS is less than a predetermined noise level, and operate in the 2-1 mode MD2-1 when the noise value NS is greater than or equal to the predetermined noise level.
[0209] In the 1-1th mode MD1-1, the touch drive unit 200C may operate in the first driving mode DMD1 a plurality of times in the first segment W1. In the 1-1th segment W1-1 of the 1-1th sensing frame SFR1-1 and the 1-2th segment W1-2 of the 1-2nd sensing frame SFR1-2, the touch drive unit 200C may operate in the first driving mode DMD1.
[0210] In the 1-1th mode MD1-1, the touch drive unit 200C may operate in the second driving mode DMD2 in the second segment W2. In the second sensing frame SFR2, the touch drive unit 200C may operate in the second driving mode DMD2.
[0211] In the 1-1th mode MD1-1, the display refresh rate of the display layer 100 may be lower than the touch report rate of the sensor layer 200. For example, the display refresh rate of the display layer 100 may be about 120 Hz, and the touch report rate of the sensor layer 200 may be about 360 Hz.
[0212] In the 2-1st mode MD2-1, the touch drive unit 200C may operate in the second drive mode DMD2 only in the second segment W2. In this case, the touch drive unit 200C may not transmit the plurality of touch drive signals TX1, TX2, TX3, and TX4 (see Fig. 9 ) are provided to a plurality of first sensing electrodes TE1.
[0213] In the 2-1st mode MD2-1, the display refresh rate of the display layer 100 may be the same as the touch report rate of the sensor layer 200. For example, the display refresh rate of the display layer 100 may be about 120 Hz, and the touch report rate of the sensor layer 200 may be about 120 Hz.
[0214] In various embodiments, the touch driving unit 200C may, in the 2-1st mode MD2-1, provide fewer touch driving signals TX1, TX2, TX3, and TX4 (see Fig. 9 ) is applied to the plurality of first sensing electrodes TE1. In an environment where the noise value NS is relatively high, the touch drive unit 200C may apply the plurality of touch drive signals TX1, TX2, TX3, and TX4 (see Fig. 9 ) are provided to a plurality of first sensing electrodes TE1.
[0215] In various embodiments, in response to the noise value NS being less than a predetermined noise level, the touch drive unit 200C may operate in the 1-1 mode MD1-1. The 1-1 mode MD1-1 may operate in the first drive mode DMD1 during each of the 1-1 sensing frame SFR1-1 and the 1-2 sensing frame SFR1-2, and in the second drive mode DMD2 during the second sensing frame SFR2. In the data input section AT in which the data voltage Vdata is provided to the display layer 100, the touch drive unit 200C may operate in the first drive mode DMD1 multiple times, and in the blank section VB in which the data voltage Vdata is not provided to the display layer 100, the touch drive unit 200C may operate in the second drive mode DMD2. The touch drive unit 200C may operate in the second drive mode DMD2 and in the first drive mode DMD1 multiple times during one display frame FR. The touch report rate of the sensor layer 200 may be improved. Accordingly, an electronic device 1000 with improved sensing reliability may be provided.
[0216] In various embodiments, the touch drive unit 200C may operate in the 1-1 mode MD1-1 or the 2-1 mode MD2-1 according to the noise value NS. The touch drive unit 200C may operate in the 1-1 mode MD1-1 when the noise value NS is less than a predetermined noise level, and operate in the 2-1 mode MD2-1 when the noise value NS is greater than or equal to the predetermined noise level. When the touch drive unit 200C operates in different modes according to the situation, the noise that may be generated in the sensor layer 200 may be reduced. The sensitivity may be improved by increasing the signal-to-noise ratio (SNR) of the sensor layer 200 and the touch drive unit 200C. Accordingly, an electronic device 1000 with improved sensing reliability may be provided.
[0217] In various embodiments, the electronic device may operate in the first mode or the second mode according to the noise value. Since the noise that may be generated in the sensor layer can be reduced when the touch drive unit operates in different modes according to the situation, the signal-to-noise ratio (SNR) of the sensor layer and the touch drive unit can be increased. Accordingly, an electronic device with improved sensing reliability can be provided.
[0218] Although the above description has been made with reference to various embodiments of the inventive concept, it will be understood by those skilled in the art or ordinary technicians in the art that various modifications and changes can be made within the scope of the spirit and technical field of the inventive concept described in the present disclosure and claims. Accordingly, the technical scope of the inventive concept should not be limited to the content described in the detailed description of this specification, but should be determined by the claims.
Claims
1. An electronic device, comprising: A display layer configured to operate in units of display frames including a blank section and a data input section; a driving unit configured to drive the display layer, output a synchronization signal activated in the blank section, and sense a noise value based on an input image to be provided in the display frame; a sensor layer including a plurality of sensing electrodes and configured to operate in a first sensing frame overlapping the data input section and in a second sensing frame overlapping the blank section; as well as a touch drive unit configured to operate in a first mode in response to the noise value being less than a predetermined noise level, and configured to operate in a second mode different from the first mode in response to the noise value being greater than or equal to the predetermined noise level, The touch driving unit applies more touch driving signals to the plurality of sensing electrodes in the first mode than in the second mode.
2. The electronic device according to claim 1, wherein: In the first mode, the touch driving unit operates in a first driving mode in the first sensing frame, and operates in a second driving mode different from the first driving mode in the second sensing frame.
3. The electronic device according to claim 2, wherein: In the first driving mode, the touch driving unit is configured to sequentially apply the touch driving signal to the plurality of sensing electrodes, respectively.
4. The electronic device according to claim 2, wherein: In the second driving mode, the touch driving unit is configured to apply the touch driving signal to the plurality of sensing electrodes respectively and simultaneously.
5. The electronic device according to claim 2, wherein: In the second mode, the touch driving unit operates in the second driving mode in the second sensing frame.
6. The electronic device according to claim 5, wherein: In the second mode, the touch driving unit does not provide the touch control signal to the plurality of sensing electrodes in the first sensing frame.
7. The electronic device according to claim 1, wherein: The plurality of sensing electrodes include a plurality of first electrodes and a plurality of second electrodes; Each of the plurality of first electrodes extends in a first direction and the plurality of first electrodes are arranged in a second direction crossing the first direction; and Each of the plurality of second electrodes extends in the second direction and the plurality of second electrodes are arranged in the first direction.
8. The electronic device according to claim 1, wherein: The display refresh rate of the display layer has a first frequency; The touch reporting rate of the sensor layer has a second frequency; In the first mode, the first frequency is lower than the second frequency; and In the second mode, the first frequency is the same as the second frequency.
9. The electronic device according to claim 1, wherein: The touch driving unit is configured to receive the synchronization signal from the driving unit; and In response to the synchronization signal being activated, the touch driving unit simultaneously applies the touch driving signal to the plurality of sensing electrodes, respectively.
10. The electronic device according to claim 1, wherein: The width of the blank section is smaller than the width of the data input section.
11. The electronic device according to any one of claims 1 to 10, wherein: A width of the second sensing frame is smaller than a width of the first sensing frame.
12. An electronic device comprising: A display layer configured to operate in units of display frames including a blank section and a data input section; a driving unit configured to drive the display layer, output a synchronization signal activated in the blank section, and sense a noise value based on an input image to be provided in the display frame, wherein the driving unit includes a data driving unit and a gate driving unit, the data driving unit being configured to supply a data voltage converted based on the input image to a data line of the display layer during the data input section, and the gate driving unit supplying a gate pulse synchronized with the data voltage to a gate line of the display layer during the data input section; a sensor layer including a plurality of sensing electrodes and configured to operate in a first sensing frame overlapping the data input section and in a second sensing frame overlapping the blank section; and a touch drive unit configured to operate in a first mode in response to the noise value being less than a predetermined noise level, and configured to operate in a second mode different from the first mode in response to the noise value being greater than or equal to the predetermined noise level, The touch driving unit applies more touch driving signals to the plurality of sensing electrodes in the first mode than in the second mode.
13. The electronic device according to claim 12, wherein: The blank section is a section in which the data voltage is not supplied to the display layer.
14. The electronic device according to claim 12 or 13, wherein: The sensor layer is further configured to operate in a third sensing frame overlapping the data input section; and The touch driving unit is configured to operate in a first driving mode in the third sensing frame in the first mode.
15. An electronic device comprising: A display layer configured to operate in units of display frames including a blank section and a data input section; a driving unit configured to drive the display layer and sense a noise value based on an input image to be provided in the display frame; The sensor layer includes a plurality of sensing electrodes and is configured to operate in units of sensing frames including a first sensing frame overlapping the data input section and a second sensing frame overlapping the blank section, wherein: The plurality of sensing electrodes operate in a first mode or in a second mode different from the first mode based on the noise value; In the first mode, the plurality of sensing electrodes sequentially receive a touch drive signal in the first sensing frame and simultaneously receive the touch drive signal in the second sensing frame; and In the second mode, the plurality of sensing electrodes simultaneously receive the touch driving signal only in the second sensing frame.
16. The electronic device according to claim 15, wherein: In the second mode, the plurality of sensing electrodes do not receive the touch driving signal in the first sensing frame.
17. The electronic device according to claim 15, wherein: The driving unit is configured to output a synchronization signal activated in the blank section; and In response to the synchronization signal being activated, the plurality of sensing electrodes simultaneously receive the touch drive signal.
18. The electronic device according to claim 15, wherein: The display refresh rate of the display layer has a first frequency; The touch reporting rate of the sensor layer has a second frequency; In the first mode, the first frequency is lower than the second frequency; and In the second mode, the first frequency is the same as the second frequency.
19. The electronic device according to claim 15, wherein: The width of the blank section is smaller than the width of the data input section.
20. The electronic device according to any one of claims 15 to 19, wherein: A width of the second sensing frame is smaller than a width of the first sensing frame.
Citation Information
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Rechargeable-battery cell
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