Display device
By setting overlapping touch electrodes and black matrix structures on the display panel, the problem of difficult setting of touch electrodes on the large-sized display panel is solved, and the touch sensing performance and uniformity of signal transmission are improved.
Patent Information
- Application Number
- CN202411714587.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2024-02-27
- Filing Date
- 2024-11-27
- Publication Date
- 2025-08-29
AI Technical Summary
It is difficult to set the touch electrode on the large-sized display panel, resulting in a degradation of touch sensing performance.
A touch electrode is provided on the display panel, and a connection structure of the touch electrode is formed by overlapping the black matrix with the touch electrode, combining the insulating layer and the packaging substrate.
It improves the touch sensing performance and uniformity of signal transmission of large-size display panels, and enhances the sensitivity and reliability of touch response.
Smart Images

Figure CN120569075A_ABST
Abstract
Description
[0001] CROSS-REFERENCE TO RELATED APPLICATIONS
[0002] This application claims the benefit of Korean Patent Application No. 10-2024-0027945, filed on February 27, 2024, which is hereby incorporated by reference into this application as if fully set forth herein. Technical Field
[0003] The present disclosure relates to a display device. Background Art
[0004] Display devices are installed on or in electronic products such as televisions, monitors, laptop computers, smartphones, tablet computers, electronic tablets, wearable devices, wristwatches, portable information devices, navigation devices, or vehicle control displays to display images. Pixels are provided in the display panel that constitutes the display device, and each pixel has an opening through which light is output.
[0005] Touch electrodes for sensing touch may be provided in the display panel.
[0006] However, the larger the size of the display panel is, the more difficult it is to provide touch electrodes on the display panel.
[0007] The above-mentioned background technology is a part of the present disclosure used to design the present disclosure, or is technical information obtained through the process of designing the present disclosure, but cannot be regarded as known technology disclosed to the public before the disclosure of the present disclosure. Summary of the Invention
[0008] Accordingly, the present disclosure is directed to providing a display device that substantially obviates one or more problems due to limitations and disadvantages of the related art.
[0009] One aspect of the present disclosure is directed to providing a display device including a touch electrode overlapping a black matrix.
[0010] Additional advantages and features of the present disclosure will be described in part in the following description, and in part will become apparent to those skilled in the art after reviewing the following or may be learned from practice of the present disclosure. The objectives and other advantages of the present disclosure may be realized and obtained through the structures particularly pointed out in the written description and the accompanying drawings.
[0011] To achieve these and other advantages, and in accordance with the purposes of the present disclosure, as embodied and broadly described herein, a display device is provided, comprising: an array panel provided with pixels including openings through which light is output; and a touch panel disposed on the array panel and including touch electrodes, wherein the touch panel comprises: a color filter disposed to overlap with the pixels; an insulating layer disposed on the color filter; a black matrix disposed on the insulating layer and including black matrix lines surrounding areas corresponding to the openings; black matrix electrodes overlapping the black matrix lines; and a packaging substrate disposed on the black matrix, wherein each of the touch electrodes comprises at least two black matrix electrodes connected to each other.
[0012] It is to be understood that both the foregoing general description and the following detailed description of the present disclosure are exemplary and explanatory and are intended to provide further explanation of the disclosure as claimed. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The accompanying drawings, which are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this application, illustrate embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. In the drawings:
[0014] Figure 1 is an exemplary diagram illustrating a configuration of a display device according to an embodiment of the present disclosure;
[0015] Figure 2 is an exemplary diagram illustrating a structure of a pixel applied to a display device according to an embodiment of the present disclosure;
[0016] Figure 3 is an exemplary diagram illustrating a structure of a control driver applied to a display device according to an embodiment of the present disclosure;
[0017] Figure 4 is an exemplary diagram illustrating a structure of a gate driver applied to a display device according to an embodiment of the present disclosure;
[0018] Figure 5 is an exemplary diagram illustrating a structure of a data driver applied to a display device according to an embodiment of the present disclosure;
[0019] Figure 6 is an exemplary diagram illustrating a structure of a display panel applied to a display device according to an embodiment of the present disclosure;
[0020] Figure 7 It shows Figure 6 An exemplary diagram of the structure of a touch panel shown in FIG;
[0021] Figure 8 is a perspective view of a display panel applied to a display device according to an embodiment of the present disclosure;
[0022] Figure 9 It shows the settings Figure 7 A plan view of pixels in the first region or the second region shown in FIG;
[0023] Figure 10 is shown along Figure 9 An exemplary diagram of a cross-sectional surface taken along line X1-X1' shown in FIG.
[0024] Figure 11 is shown along Figure 9 Another exemplary diagram of a cross-sectional surface taken along line X1-X1' shown in FIG.
[0025] Figure 12 yes Figure 7 A plan view of a third area of the touch panel shown in FIG;
[0026] Figure 13 is shown along Figure 12 An exemplary diagram of a cross-sectional surface taken along line X2-X2' shown in FIG.
[0027] Figure 14 is shown along Figure 12 An exemplary diagram of a cross-sectional surface taken along line X3-X3' shown in FIG.
[0028] Figure 15 yes Figure 7 Another plan view of the first area or the second area shown in;
[0029] Figure 16 is shown along Figure 15 An exemplary diagram of a cross-sectional surface taken along line X4-X4' shown in FIG.
[0030] Figure 17 yes Figure 7 Another plan view of the first area or the second area shown in FIG; and
[0031] Figure 18 is shown along Figure 17 An exemplary diagram of a cross-sectional surface taken along line X5-X5' is shown in FIG. DETAILED DESCRIPTION
[0032] Reference will now be made in detail to the exemplary embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numerals will be used throughout the drawings to refer to the same or like parts.
[0033] The advantages and features of the present disclosure and their implementation methods will be illustrated by the following embodiments described with reference to the accompanying drawings. However, the present disclosure can be implemented in different forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure will be thorough and complete and will fully convey the scope of the present disclosure to those skilled in the art.
[0034] The shapes, sizes, ratios, angles and numbers disclosed in the drawings for describing the embodiments of the present disclosure are merely examples, and therefore the present disclosure is not limited to the details shown. Similar reference numerals refer to similar elements throughout. In the following description, when a detailed description of a related known function or configuration is determined to be unnecessary to obscure the focus of the present disclosure, the detailed description will be omitted. When using "including", "having" and "comprising" described in the present disclosure, another part may be added unless "only" is used. Terms in the singular may include plural forms unless otherwise indicated.
[0035] Although an error or tolerance range is not explicitly described when interpreting an element, the element is interpreted as including such an error or tolerance range.
[0036] When describing a positional relationship, for example, when the positional relationship between two parts is described as, for example, "on," "above," "below," and "close to," one or more other parts may be set between the two parts, unless more restrictive terms such as "only" or "directly" are used.
[0037] When describing temporal relationships, for example, when a temporal sequence is described as, for example, "after," "subsequently," "next," and "before," discontinuities may be included unless more restrictive terms such as "exactly," "immediately," or "directly" are used.
[0038] It should be understood that although the terms "first," "second," etc., may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another and do not define the order of a sequence. For example, a first element may represent a second element, and similarly, a second element may represent a first element without departing from the scope of this disclosure.
[0039] When describing elements of the present disclosure, the terms "first," "second," "A," "B," "(a)," "(b)," etc. may be used. These terms are intended to distinguish the corresponding element from other elements, and the basis, order, or number of the corresponding elements should not be limited by these terms. The statement that an element is "connected," "coupled," or "adhered" to another element or layer should be understood to mean that, unless otherwise specified, the element or layer can be not only directly connected or adhered to the other element or layer, but also indirectly connected or adhered to the other element or layer, wherein one or more intermediate elements or layers are "disposed" or "interposed" between the elements or layers.
[0040] The term "at least one" should be understood to include any and all combinations of one or more of the associated listed items. For example, the meaning of "at least one of the first, second, and third items" refers to all combinations of items listed from two or more of the first, second, and third items, as well as the first, second, or third item. In addition, the term "may" as used herein includes all meanings and definitions of the word "may."
[0041] As will be fully appreciated by those skilled in the art, the features of the various embodiments of the present disclosure may be coupled or combined with each other in part or in whole, and may interoperate with each other and be driven technically in a variety of ways. The embodiments of the present disclosure may be performed independently of each other, or may be performed together in a mutually dependent relationship.
[0042] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
[0043] Figure 1 is an exemplary diagram illustrating a configuration of a display device according to an embodiment of the present disclosure, Figure 2 is an exemplary diagram illustrating a structure of a pixel applied to a display device according to an embodiment of the present disclosure, Figure 3 is an exemplary diagram illustrating a structure of a control driver applied to a display device according to an embodiment of the present disclosure, Figure 4 is an exemplary diagram showing a structure of a gate driver applied to a display device according to an embodiment of the present disclosure, and Figure 5 is an exemplary diagram illustrating a structure of a data driver applied to a display device according to an embodiment of the present disclosure.
[0044] The display device according to the embodiment of the present disclosure can be used as various electronic devices. For example, the electronic device may be a television, a monitor, or the like.
[0045] like Figure 1As shown, a display device according to an embodiment of the present disclosure may include: a display panel 100, the display panel 100 including a display area DA for displaying an image and a non-display area NDA arranged outside the display area DA; a gate driver 200, the gate driver 200 supplies a gate signal GS to a plurality of gate lines GL1 to GLg arranged in the display area DA of the display panel 100; a data driver 300, the data driver 300 supplies a data voltage Vdata to a plurality of data lines DL1 to DLd arranged in the display area DA of the display panel 100; a touch driver 800, the touch driver 800 supplies a touch driving signal to a touch electrode arranged in the display panel 100; a control driver 400, the control driver 400 controlling driving of the gate driver 200, the data driver 300 and the touch driver 800; and a power supply unit 500, the power supply unit 500 supplies power to the control driver 400, the gate driver 200, the data driver 300, the touch driver 800 and the display panel 100.
[0046] First, the display panel 100 may include an array panel 100 a on which an image is displayed and a touch panel 100 b in which touch electrodes for touch sensing are provided.
[0047] First, the array panel 100a may include a display area DA and a non-display area NDA. Gate lines GL1 to GLg, data lines DL1 to DLd, and pixels P may be disposed in the display area DA. Thus, an image may be displayed in the display area DA. Here, g and d are natural numbers. The non-display area NDA may surround the periphery of the display area DA.
[0048] The array panel 100 a may be a light emitting display panel including a light emitting device, a liquid crystal display panel using liquid crystals, or a panel applied to various types of display apparatuses currently in use.
[0049] Hereinafter, for convenience of description, a light emitting display panel including light emitting devices will be described as an example of the array panel 100 a applied to the display apparatus according to an embodiment of the present disclosure.
[0050] When the array panel is a light-emitting display panel, such as Figure 2 As shown, the pixel P included in the array panel 100a may include: a pixel driving circuit PDC, which includes a switching transistor Tsw1, a storage capacitor Cst, a driving transistor Tdr and a sensing transistor Tsw2; and a light emitting device ED, which is connected to the pixel driving circuit PDC.
[0051] A first terminal of the driving transistor Tdr may be connected to a first voltage supply line PLA through which a first voltage EVDD is supplied, and a second terminal of the driving transistor Tdr may be connected to the light emitting device ED.
[0052] A first terminal of the switching transistor Tsw1 may be connected to the data line DL, a second terminal of the switching transistor Tsw1 may be connected to the gate of the driving transistor Tdr, and a gate of the switching transistor Tsw1 may be connected to the gate line GL.
[0053] The data voltage Vdata may be supplied through the data line DL from the data driver 300. The gate signal GS may be supplied through the gate line GL from the gate driver 200. The gate signal GS may include a gate pulse GP for turning on the switching transistor Tsw1 and a gate-off signal for turning off the switching transistor Tsw1.
[0054] The sensing transistor Tsw2 may be configured to measure a threshold voltage or mobility of charges (e.g., electrons) of the driving transistor Tdr, or to supply a reference voltage Vref to the pixel driving circuit PDC. A first terminal of the sensing transistor Tsw2 may be connected to a second terminal of the driving transistor Tdr and the light-emitting device ED, a second terminal of the sensing transistor Tsw2 may be connected to a sensing line SL through which the reference voltage Vref is supplied, and a gate of the sensing transistor Tsw2 may be connected to a sensing control line SCL through which a sensing control signal SCS is supplied.
[0055] The sensing line SL may be connected to the data driver 300, and may be connected to the power supply unit 500 through the data driver 300. For example, a reference voltage Vref supplied from the power supply unit 500 may be supplied to the pixel through the sensing line SL, a sensing signal transmitted from the pixel P may be converted into a digital sensing signal in the data driver 300, and the digital sensing signal may be transmitted to the control driver 400.
[0056] The light-emitting device ED may include a first electrode supplied with a first voltage EVDD via a driving transistor Tdr, a second electrode connected to a second voltage supply line PLB through which a second voltage is supplied, and a light-emitting layer disposed between the first and second electrodes. The first electrode may be an anode, and the second electrode may be a cathode.
[0057] The structure of the pixel P applied to the display device according to the embodiment of the present disclosure is not limited to Figure 2 Therefore, the structure of the pixel P can be changed into various shapes.
[0058] The touch panel 100 b may perform a function of sensing a touch, and to this end, the touch panel 100 b may include touch electrodes.
[0059] When the touch panel 100 b uses a mutual-capacitive method, the touch panel may include touch driving electrodes and touch receiving electrodes.
[0060] In this case, each of the touch drive electrodes may include at least one touch electrode, and each of the touch receiving electrodes may include at least one touch electrode. When the touch panel 100b uses a self-capacitance (self-cap) method, the touch panel 100b may include touch electrodes that are driven independently of each other.
[0061] Hereinafter, for convenience of description, a touch panel using a mutual capacitance method will be described as an example of the touch panel 100 b applied to the display device according to the embodiment of the present disclosure.
[0062] In the touch panel 100 b using the mutual capacitance method, the touch driving electrodes may be connected to the touch driver 800 through the touch driving electrode lines TXL, and the touch receiving electrodes may be connected to the touch driver 800 through the touch receiving electrode lines RXL.
[0063] The control driver 400 can realign the input image data Ri, Gi, and Bi transmitted from the external system 600 by using the timing synchronization signal TSS transmitted from the external system, and can generate a data control signal DCS to be supplied to the data driver 300 and a gate control signal GCS to be supplied to the gate driver 200.
[0064] For this reason, Figure 3 As shown, the control driver 400 may include: a data aligner 430, which realigns the input image data Ri, Gi and Bi to generate the image data Data; a control signal generator 420, which generates the gate control signal GCS and the data control signal DCS by using the timing synchronization signal TSS; an input unit 410, which transmits the timing synchronization signal TSS transmitted from the external system 600 to the control signal generator 420 and transmits the input image data Ri, Gi and Bi transmitted from the external system 600 to the data aligner 430; and an output unit 440, which supplies the image data Data generated by the data aligner 430 and the data control signal DCS generated by the control signal generator 420 to the data driver 300, and supplies the gate control signal GCS generated by the control signal generator 420 to the gate driver 200.
[0065] The control signal generator 420 may generate a power control signal supplied to the power supply unit 500 .
[0066] The control signal generator 420 may generate a touch control signal TCS supplied to the touch driver 800 .
[0067] The control driver 400 may further include a storage unit 450 for storing various information. Figure 3 As shown, the storage unit 450 may be included in the control driver 400 , but may also be separated from the control driver 400 and independently provided.
[0068] The external system 600 may perform a function of driving and controlling the driver 400 and the electronic device.
[0069] For example, when the electronic device is a television (TV), the external system 600 may receive various sound information and image information through a communication network, and may transmit the received image information to the control driver 400. For example, the external system 600 may convert the image information into input image data Ri, Gi, and Bi, and transmit the input image data Ri, Gi, and Bi to the control driver 400.
[0070] The power supply unit 500 may generate various powers and supply the generated powers to the control driver 400 , the gate driver 200 , the data driver 300 , the touch driver 800 , and the display panel 100 .
[0071] The gate driver 200 may be directly embedded in the non-display area NDA by using a gate-in-panel (GIP) type, or the gate driver 200 may be disposed in the display area DA in which the light-emitting device ED is disposed, or the gate driver 200 may be disposed on a chip-on-film mounted in the non-display area NDA.
[0072] The gate driver 200 may supply gate pulses GP1 to GPg to the gate lines GL1 to GLg.
[0073] The switching transistor Tsw1 may be turned on when the gate pulse GP generated by the gate driver 200 is supplied to the gate of the switching transistor Tsw1 included in the pixel P. When the switching transistor Tsw1 is turned on, the data voltage Vdata supplied through the data line DL may be supplied to the pixel P.
[0074] When the gate-off signal generated by the gate driver 200 is supplied to the switching transistor Tsw1, the switching transistor Tsw1 may be turned off. When the switching transistor Tsw1 is turned off, the data voltage may no longer be supplied to the pixel P.
[0075] The gate signal GS supplied to the gate line GL may include a gate pulse GP and a gate-off signal.
[0076] In order to supply gate pulses GP1 to GPg to the gate lines GL1 to GLg, as shown in FIG. Figure 4 As shown, the gate driver 200 may include stages ST1 to STg connected to the gate lines GL1 to GLg.
[0077] Each of the stages ST1 to STg may be connected to one gate line GL, but may also be connected to at least two gate lines GL.
[0078] To generate the gate pulses GP1 to GPg, a gate start signal VST and at least one gate clock GCLK generated by the control signal generator 420 may be transmitted to the gate driver 200. For example, the gate start signal VST and at least one gate clock GCLK may be included in the gate control signal GCS.
[0079] One of the stages ST1 to STg may be driven by the gate start signal VST to output a gate pulse GP to the gate line GL. The gate pulse GP may be generated by the gate clock GCLK.
[0080] At least one of the signals output from the stage ST outputting the gate pulse may be supplied to another stage ST to drive the other stage ST. Therefore, the gate pulse may be output in the other stage ST.
[0081] For example, the stages ST may be sequentially driven to sequentially supply the gate pulses GP to the gate lines GL.
[0082] The data driver 300 may supply a data voltage Vdata to the data lines DL1 to DLd.
[0083] For this reason, Figure 5 As shown, the data driver 300 may include: a shift register 310, which outputs a sampling signal; a latch 320, which latches the image data Data received from the control driver 400; a digital-to-analog converter 330, which converts the image data Data transmitted from the latch 320 into a data voltage Vdata and outputs the data voltage Vdata; and an output buffer 340, which outputs the data voltage transmitted from the digital-to-analog converter 330 to the data line DL based on the source output enable signal SOE.
[0084] The shift register 310 may output a sampling signal by using the data control signal DCS received from the control signal generator 420. For example, the data control signal DCS transmitted to the shift register 310 may include a source start pulse SSP and a source shift clock signal SSC.
[0085] The latch 320 may latch the image data Data sequentially received from the control driver 400 and then simultaneously output the image data Data to the digital-to-analog converter 330 based on the sampling signal.
[0086] The digital-to-analog converter 330 may convert the image data Data transferred from the latch 320 into a data voltage Vdata and output the data voltage Vdata.
[0087] The output buffer 340 may simultaneously output the data voltage Vdata transmitted from the digital-to-analog converter 330 to the data lines DL1 to DLd of the display panel 100 based on the source output enable signal SOE transmitted from the control signal generator 420 .
[0088] To this end, the output buffer 340 may include a buffer 341 storing the data voltage Vdata transferred from the digital-to-analog converter 330 and a switch 342 outputting the data voltage Vdata stored in the buffer 341 to the data line DL based on a source output enable signal SOE.
[0089] For example, when the switch 342 is turned on based on the source output enable signal SOE simultaneously supplied to the switch 342 , the data voltage Vdata stored in the buffer 341 may be supplied to the data lines DL1 to DLd through the switch 342 .
[0090] The data voltage Vdata supplied to the data lines DL1 to DLd may be supplied to the pixels P connected to the gate line GL supplied with the gate pulse GP.
[0091] Finally, the touch driver 800 may supply a touch driving signal to the touch panel 100 b and may detect whether there is a touch by using a touch sensing signal received from the touch panel 100 b .
[0092] Figure 6 is an exemplary diagram illustrating a structure of a display panel applied to a display device according to an embodiment of the present disclosure, Figure 7 It shows Figure 6 An exemplary diagram of the structure of a touch panel is shown in FIG, and Figure 8 is a perspective view of a display panel applied to a display device according to an embodiment of the present disclosure.
[0093] First, refer to Figure 6, a display device according to an embodiment of the present disclosure includes a display panel 100 .
[0094] The display device according to the embodiment of the present disclosure may sense a touch, and for this, a finger or a touch pen may come into contact with the display device according to the embodiment of the present disclosure.
[0095] like Figure 6 As shown, the display panel 100 may include an array panel 100 a on which pixels P are provided and which displays an image; and a touch panel 100 b on which touch electrodes TE for touch sensing are provided.
[0096] like Figure 6 As shown, the touch panel 100 b is disposed on the array panel 100 a and may include touch electrodes TE.
[0097] When the touch panel 100b uses a mutual capacitance method, some of the touch electrodes TE may be included in the touch driving electrodes, and the other touch electrodes TE may be included in the touch receiving electrodes. That is, the touch panel 100b may include touch driving electrodes and touch receiving electrodes.
[0098] In this case, the touch panel 100 b may be attached to the upper end portion of the array panel 100 a by an adhesive.
[0099] The array panel 100a may include pixels P, data lines DL1 to DLd, and gate lines GL1 to GLg. Each of the pixels P may include a light emitting device ED and a pixel driving circuit PDC. When light is output from the light emitting device ED, an image may be displayed on the array panel 100a.
[0100] For example, the array panel 100a may include a substrate, a pixel driving circuit layer disposed on the substrate, a planarization layer covering the pixel driving circuit layer, an anode disposed on the planarization layer, a dam covering the end of the anode, a light-emitting layer covering the anode and the dam, a cathode covering the light-emitting layer, and an encapsulation layer covering the cathode.
[0101] The substrate may be any one of a glass substrate, a plastic substrate, and a flexible substrate.
[0102] A pixel driving circuit layer may be provided on the substrate. The pixel driving circuit layer may include a reference Figure 2 Transistors Tsw1, Tsw2 and Tdr and capacitor Cst are described.
[0103] That is, a reference can be set on the substrate Figure 2 Transistors Tsw1, Tsw2 and Tdr and capacitor Cst are described.
[0104] The planarization layer may planarize the upper end portion of the pixel driving circuit layer. The planarization layer may be formed of at least one of various types of organic layers, at least one of various types of inorganic layers, or at least one organic layer and at least one inorganic layer.
[0105] An anode may be provided on the planarization layer. An anode may be provided for each pixel P and separated from each other.
[0106] The bank covers the end of the anode and may be formed of at least one of an organic material and an inorganic material.
[0107] Light can be output to the outside through the region of the anode not covered by the bank. In the following description, the region of the anode not covered by the bank is referred to as an opening.
[0108] A light-emitting layer may be provided on the anode and the bank.
[0109] The light-emitting layer may be covered by a cathode.
[0110] The cathode may be covered by an encapsulation layer. The encapsulation layer may perform a function of protecting the light emitting device ED from oxygen or moisture introduced from the outside.
[0111] The encapsulation layer (or filling layer) may be formed of at least one of various types of organic layers, at least one of various types of inorganic layers, or at least one organic layer and at least one inorganic layer.
[0112] Next, refer to Figure 6 and Figure 7 , the touch panel 100b may include touch electrodes TE for touch sensing, a portion of the touch electrodes TE may be a touch driving electrode TX, and another portion of the touch electrodes TE may be a touch receiving electrode RX.
[0113] For example, Figure 7 As shown, the touch panel 100b may include touch drive electrodes TX arranged along a first direction (e.g., an X-axis direction) of the touch panel 100b and touch receiving electrodes RX arranged along a second direction (e.g., a Y-axis direction) different from the first direction. In the following description, the first direction is represented by the reference numeral X, and the second direction is represented by the reference numeral Y.
[0114] The touch panel 100b may include at least two touch driving electrodes TX and at least two touch receiving electrodes RX. Figure 7The illustrated touch panel including six touch driving electrodes TX1 to TX6 and four touch receiving electrodes RX1 a , RX1 b , RX2 a , and RX2 b is described as an example of the touch panel 100 b applied to the display device according to an embodiment of the present disclosure.
[0115] Each of the touch driving electrodes TX may be connected to the touch driver 800 through a touch driving electrode line TXL, and each of the touch receiving electrodes RX may be connected to the touch driver 800 through a touch receiving electrode line RXL.
[0116] For example, the first to sixth touch driving electrodes TX1 to TX6 may be connected to the touch driver 800 through the first to sixth touch driving electrode lines TXL1 to TXL6 .
[0117] In addition, the 1ath touch receiving electrode RX1a can be connected to the touch driver 800 through the 1ath touch receiving electrode line RXL1a, the 1bth touch receiving electrode RX1b can be connected to the touch driver 800 through the 1bth touch receiving electrode line RXL1b, the 2ath touch receiving electrode RX2a can be connected to the touch driver 800 through the 2ath touch receiving electrode line RXL2a, and the 2bth touch receiving electrode RX2b can be connected to the touch driver 800 through the 2bth touch receiving electrode line RXL2b.
[0118] The touch driving electrodes TX and the touch receiving electrodes RX may be provided in various structures on the touch panel 100 b .
[0119] For example, Figure 7 As shown, each of the touch driving electrodes TX includes a touch electrode TE arranged along a first direction X of the touch panel 100b and a wiring STXL arranged along a second direction Y for electrically connecting the touch electrodes TE arranged along the first direction X.
[0120] In the following description, the touch electrode TE constituting the touch driving electrode TX is referred to as a sub-touch driving electrode STX.
[0121] For example, in Figure 7 In the embodiment, the sub-touch driving electrodes STX constituting the fourth touch driving electrode TX4 are referred to as a 4a-th sub-touch driving electrode STX4a, a 4b-th sub-touch driving electrode STX4b, and a 4c-th sub-touch driving electrode STX4c.
[0122] The touch driving electrodes TX are disposed to be spaced apart from each other in the second direction Y of the touch panel 100 b .
[0123] For example, Figure 7As shown, each of the first to sixth touch driving electrodes TX1 to TX6 may extend in the first direction X, and the first to sixth touch driving electrodes TX1 to TX6 may be spaced apart from each other in the second direction Y.
[0124] like Figure 7 As shown, the wiring STXL may perform a function of connecting the touch electrodes TE arranged along the first direction X.
[0125] That is, the wiring STXL may perform a function of electrically connecting the sub-touch driving electrodes STX constituting the touch driving electrode TX.
[0126] like Figure 7 As shown, the touch receiving electrode RX may be disposed between two sub touch driving electrodes STX that are adjacent to and spaced apart from each other.
[0127] Each of the touch receiving electrodes RX may be a touch electrode TE extending in the second direction Y between two touch electrodes TE spaced apart in the first direction X.
[0128] That is, the touch electrode TE may be a sub-touch driving electrode STX constituting the touch driving electrode TX or the touch receiving electrode RX.
[0129] In this case, the touch receiving electrode RX may be disposed between two sub touch driving electrodes STX spaced apart in the first direction X.
[0130] The length of the touch receiving electrode RX in the second direction Y may be greater than the length of the sub touch driving electrode STX in the second direction Y.
[0131] In particular, the length of the touch receiving electrode RX in the second direction Y may be the same as or similar to the length of the sub-touch driving electrodes STX arranged in a vertical row along the second direction Y in the second direction Y.
[0132] In this case, one touch receiving electrode RX may be provided in the second direction Y.
[0133] However, as the area of the display device increases, the length of the display device in the second direction Y may increase, and the length of the touch panel 100 b in the second direction Y may increase.
[0134] When the length of the touch panel 100 b in the second direction Y increases, the length of one touch receiving electrode RX disposed along the second direction Y may increase.
[0135] When the length of the touch receiving electrode RX in the second direction Y increases, the amplitude and sensitivity of the touch sensing signal generated in the touch receiving electrode RX and transmitted to the touch driver 800 may vary according to the position where the touch is generated.
[0136] To prevent this, at least two touch receiving electrodes RX may be arranged in a vertical row along the second direction Y. In this case, each of the at least two touch receiving electrodes RX may be formed to be smaller than the length of the sub touch driving electrodes STX arranged in the vertical row along the second direction Y.
[0137] For example, in Figure 7 , a touch panel in which two touch receiving electrodes RX are arranged in a vertical row along the second direction Y is shown as an example of a touch panel 100 b applied to a display device according to an embodiment of the present disclosure.
[0138] That is to say, in Figure 7 , the 1a-th touch receiving electrode RX1a and the 1b-th touch receiving electrode RX1b are arranged in a vertical row along the second direction Y, and the 2a-th touch receiving electrode RX2a and the 2b-th touch receiving electrode RX2b are arranged in a vertical row along the second direction Y.
[0139] In the following description, a region where the touch driving electrodes TX and the touch receiving electrodes RX are provided is referred to as a touch region TA, and a region where the touch driving electrodes TX and the touch receiving electrodes RX are not provided is referred to as a non-touch region NTA.
[0140] In this case, the touch area TA may correspond to the display area DA, and the non-touch area NTA may correspond to the non-display area NDA, but is not limited thereto.
[0141] Next, each of the first wirings STXL1 a , STXL1 b , and STXL1 c connected to the touch electrode TE constituting the first touch driving electrode TX1 among the touch driving electrodes TX may extend in the second direction Y.
[0142] For example, each of the touch driving electrodes TX may be connected to the touch driver 800 through one touch driving electrode line TXL.
[0143] However, as the area of the display device increases, the distance between the touch driving electrode TX and the touch driver 800 may increase, and the length of the touch driving electrode TX may increase.
[0144] Therefore, the amplitude of the touch drive signal may be different for each position of the touch drive electrode TX, and thus the amplitude and sensitivity of the touch sensing signal may vary for each position of the touch drive electrode TX.
[0145] In order to prevent this, in the display device according to the embodiment of the present disclosure, as Figure 7 As shown, each of the first wirings STXL1 a , STXL1 b , and STXL1 c connected to the touch electrode TE constituting the first touch driving electrode TX1 among the touch driving electrodes TX may extend in the second direction Y.
[0146] In this case, the first wirings STXL1 a , STXL1 b , and STXL1 c may be connected to the first touch driving electrode line TXL1 in the non-touch area NTA, and the first touch driving electrode line TXL1 may be connected to the touch driver 800 .
[0147] In particular, if Figure 7 As shown, each of the first wirings STXL1 a , STXL1 b , and STXL1 c may extend in the second direction Y in the touch area TA.
[0148] Therefore, the first wirings STXL1 a , STXL1 b , and STXL1 c may be disposed in parallel along the first direction X.
[0149] That is, each of the wirings STXL connected to the touch driving electrodes TX may extend in the second direction Y, and the wirings STXL connected to the touch driving electrodes TX may be arranged side by side along the first direction X.
[0150] In addition, the wirings STXL connected to different touch driving electrodes TX may also be arranged parallel to each other along the first direction X.
[0151] In this case, if Figure 7 As shown, the lengths of the wirings STXL connected to different touch driving electrodes TX may be different, but may be formed to be the same.
[0152] For example, in Figure 7 , the length of the 1c wiring STXL1c connected to the 1c sub-touch drive electrode STX1c set at the upper right of the touch panel 100 is different from the length of the 4c wiring STXL4c connected to the 4c sub-touch drive electrode STX4c set in the middle of the right side of the touch panel 100.
[0153] That is, the 4c-th wiring STXL4c extends from the 4c-th sub-touch drive electrode STX4c along the second direction.
[0154] However, the 4c-th wiring STXL4c may also extend in the direction toward the 4c-th sub-touch drive electrode STX4c, and in this case, the length of the 4c-th wiring STXL4c and the length of the 1c-th wiring STXL1c may be the same.
[0155] When the lengths of the wirings STXL become the same, resistance characteristics of the wirings STXL may be the same or similar, and thus, characteristics of the touch driving signals supplied to the sub touch driving electrodes STX may be the same or similar.
[0156] Each of the touch receiving electrodes RX may be connected to a touch receiving electrode line RXL extending in the second direction Y.
[0157] The touch receiving electrode lines RXL may also extend in the second direction Y in the touch area TA.
[0158] When at least two touch receiving electrodes RX are disposed along the second direction Y, a touch receiving electrode line RXL extending along the second direction Y may be connected to each of the at least two touch receiving electrodes RX.
[0159] For example, in Figure 7 In the touch panel 100 b shown, the 1a-th touch receiving electrode RX1 a and the 1b-th touch receiving electrode RX1 b are arranged in a vertical row along the second direction Y.
[0160] In this case, the 1a-th touch receiving electrode line RXL1a connected to the 1a-th touch receiving electrode RX1a and the 1b-th touch receiving electrode line RXL1b connected to the 1b-th touch receiving electrode RX1b extend in the second direction Y and may be disposed in parallel in the first direction X.
[0161] The length of the 1a-th touch receiving electrode line RXL1a and the length of the 1b-th touch receiving electrode line RXL1b may be different from each other. However, as described above, the length of the 1a-th touch receiving electrode line RXL1a and the length of the 1b-th touch receiving electrode line RXL1b may be the same as each other, so that the resistance characteristics of the 1a-th touch receiving electrode line RXL1a and the resistance characteristics of the 1b-th touch receiving electrode line RXL1b may be the same or similar.
[0162] That is, the 1b-th touch receiving electrode line RXL1b may extend to overlap the 1a-th touch receiving electrode RX1a.
[0163] Finally, if Figure 8 As shown, the touch driving electrode lines TXL may be connected to side pads 802 exposed on a side surface of the touch panel 100 b , and the side pads 802 may be electrically connected to a printed circuit board 810 on which the touch driver 800 is mounted.
[0164] To this end, each of the touch driving electrode lines TXL and the touch receiving electrode lines RXL connected to the touch electrodes TE provided in the touch panel 100b may extend in a lateral direction of the touch panel 100b and may be connected to a side pad 802 exposed on a side surface of the touch panel 100b.
[0165] Since the printed circuit board 810 on which the touch driver 800 is mounted is electrically connected to the side pads 802 exposed on the side surface of the touch panel 100 b , a connection process between the touch driver 800 and the printed circuit board 810 may be more easily performed.
[0166] In this case, in order to minimize or at least reduce the area or length of the printed circuit board 810 and simplify the connection between the printed circuit board 810 and the side pads 802, the touch driving electrode lines TXL and the touch receiving electrode lines RXL may be formed on one side of the side surface of the touch panel 100b.
[0167] For example, in Figure 8 In the illustrated touch panel 100 b , the side pads 802 are concentrated in the left direction of the side surface of the touch panel 100 b .
[0168] However, the touch electrodes TE may be electrically connected to the printed circuit board 810 through pads 801 exposed on the upper or lower surface of the touch panel 100 b .
[0169] For example, Figure 7 As shown, the touch driving electrode lines TXL and the touch receiving electrode lines RXL connected to the touch electrodes TE can be electrically connected to the pads 801 exposed on the upper surface or the lower surface of the touch panel 100b, and the printed circuit board on which the touch driver 800 is mounted can be connected to the pads 801 exposed on the upper surface or the lower surface of the touch panel 100b.
[0170] Figure 9 It shows the settings Figure 7 a plan view of pixels in the first region or the second region shown in FIG. Figure 10 is shown along Figure 9 An exemplary diagram of a cross-sectional surface taken along line X1-X1' shown in FIG. Figure 11 is shown along Figure 9 Another exemplary diagram of a cross-sectional surface taken along line X1-X1' is shown in FIG.
[0171] As described above, the display panel 100 applied to the display device according to the embodiment of the present disclosure includes the array panel 100 a and the touch panel 100 b .
[0172] The array panel 100 a includes pixels P having openings OA through which light is output.
[0173] like Figure 9 As shown, the pixels P may include a red pixel R that outputs red light, a green pixel G that outputs green light, and a blue pixel B that outputs blue light, but is not limited thereto.
[0174] However, in the following, for the convenience of description, Figure 9 and Figure 10 As shown, an array panel including red pixels R, green pixels G, and blue pixels B is described as an example of the array panel 100 a applied to the display device according to an embodiment of the present disclosure.
[0175] As described above, the array panel 100 a may include a substrate, a pixel driving circuit layer, a planarization layer, an anode, a bank, a light emitting layer, a cathode, and an encapsulation layer.
[0176] For example, the array panel 100 a may include a pixel driving layer 102 disposed on a substrate 101 , and the pixel driving layer 102 may include a pixel driving circuit layer and a planarization layer.
[0177] The anode AN may be provided on the pixel driving layer 102 , the bank 103 may be provided outside the anode AN, and each of regions of the anode AN not covered by the bank 103 may be an opening OA.
[0178] The anode AN is covered by the light emitting layer EL, and the light emitting layer EL is covered by the cathode CA. The anode AN, the light emitting layer EL and the cathode CA form a light emitting device ED.
[0179] The light emitting device ED may be covered by the encapsulation layer 104 .
[0180] like Figures 9 to 11 As shown, the touch panel 100 b may be bonded to the array panel 100 a by using an adhesive 105 .
[0181] The touch panel 100 b includes a black matrix BM including black matrix lines 110 surrounding an area corresponding to the opening OA; a black matrix electrode 109 overlapping the black matrix lines 110; an insulating layer 108 covering the black matrix lines 110 and the black matrix electrode 109; a color filter 107 disposed at a lower end portion of the insulating layer 108 and facing the array panel 100 a; and an overcoat layer 106 covering the color filter 107. The black matrix lines 110 are disposed at a lower end portion of the encapsulation substrate 111.
[0182] In the above description, components of the touch panel 100b are described based on the package substrate 111. Components of the touch panel 100b are listed below based on the color filter 107 adjacent to the array panel 100a.
[0183] For example, the touch panel 100b may include: a color filter 107, which is arranged to overlap with the pixel P; an insulating layer 108, which is arranged on the color filter 107; a black matrix BM, which includes a black matrix line 110 arranged on the insulating layer 108 and surrounding an area corresponding to the opening OA; a black matrix electrode 109, which overlaps with the black matrix line 110; and a packaging substrate 111, which is arranged on the black matrix BM.
[0184] The array panel 100 a and the touch panel 100 b may be bonded by an adhesive 105 applied to a lower surface of the overcoat layer 106 and an upper surface of the encapsulation layer 104 .
[0185] First, the encapsulation substrate 111 may be a glass substrate, but may also be a substrate formed of various types of synthetic resins.
[0186] Next, the black matrix BM includes a black matrix line 110 surrounding a region corresponding to the opening portion OA, and the black matrix electrode 109 overlaps the black matrix line 110 .
[0187] The black matrix line 110 means a portion of the black matrix BM, and is, for example, Figure 9 As shown, the black matrix line 110 can be any one of the following: an area of the black matrix BM set at the upper end of the pixel P, an area of the black matrix BM set at the lower end of the pixel P, an area of the black matrix BM set at the left side of the pixel P, and an area of the black matrix BM set at the right side of the pixel P.
[0188] Hereinafter, for the convenience of description, the area in the black matrix BM arranged on the left side of the pixel P is referred to as the left black matrix line 110a, the area in the black matrix BM arranged on the right side of the pixel P is referred to as the right black matrix line 110b, the area in the black matrix BM arranged on the upper end portion of the pixel P is referred to as the upper black matrix line 110c, and the area in the black matrix BM arranged on the lower end portion of the pixel P is referred to as the lower black matrix line 110d.
[0189] That is, the black matrix BM includes a left black matrix line 110 a , a right black matrix line 110 b , an upper black matrix line 110 c , and a lower black matrix line 110 d .
[0190] In this case, the black matrix line 110 disposed between two pixels P adjacent in the first direction X may be a right black matrix line 110 b with respect to the pixel P disposed on the left, and may be a left black matrix line 110 a with respect to the pixel P disposed on the right.
[0191] Therefore, according to the pixel P as a reference, one black matrix line 110 may be a left black matrix line 110 a or a right black matrix line 110 b .
[0192] In addition, depending on the pixel P used as a reference, the black matrix line 110 disposed between two pixels P adjacent in the second direction Y may be an upper black matrix line 110 c or a lower black matrix line 110 d .
[0193] In the following description, when there is no need to distinguish between the left black matrix line 110 a , the right black matrix line 110 b , the upper black matrix line 110 c , and the lower black matrix line 110 d , the display device according to an embodiment of the present disclosure is described using the black matrix line 110 .
[0194] The black matrix electrodes 109 overlap the black matrix lines 110 .
[0195] In the following description, when the black matrix line 110 is divided into a left black matrix line 110a, a right black matrix line 110b, an upper black matrix line 110c and a lower black matrix line 110d, the black matrix electrode 109 can also be divided into a left black matrix electrode 109a, a right black matrix electrode 109b, an upper black matrix electrode 109c and a lower black matrix electrode 109d.
[0196] However, when there is no need to distinguish the left, right, upper, and lower black matrix electrodes 109 a and 109 b , 109 c , and 109 d , the display device according to an embodiment of the present specification is described using the black matrix electrode 109 .
[0197] Each of the touch electrodes TE includes at least two black matrix electrodes 109 connected to each other.
[0198] For example, when the touch electrode TE is a sub-touch driving electrode STX, the sub-touch driving electrode STX includes at least two black matrix electrodes 109 connected to each other, and when the touch electrode TE is a touch receiving electrode RX, the touch receiving electrode RX includes at least two black matrix electrodes 109 connected to each other.
[0199] For example, Figure 7 The first area AR1 shown is an area where the touch electrodes TE are provided, and in particular, an area where the sub-touch drive electrodes STX are provided. Figure 7 In the illustrated first area AR1 , the wiring STXL and the touch drive electrode line TXL are not provided, but only the sub-touch drive electrode STX is provided.
[0200] Therefore, if Figure 9 As shown, the left black matrix electrode 109 a , the right black matrix electrode 109 b , the upper black matrix electrode 109 c , and the lower black matrix electrode 109 d are connected to each other to form one sub-touch driving electrode STX.
[0201] In particular, Figure 9 The left black matrix electrode 109a, the right black matrix electrode 109b, the upper black matrix electrode 109c and the lower black matrix electrode 109d shown can form Figure 7 The 1a-th sub-touch drive electrode STX1a is shown.
[0202] That is, the 1a-th sub-touch driving electrode STX1a may include at least two black matrix electrodes 109a, 109b, 109c, and 109d.
[0203] In addition, when Figure 9 The floor plan shown is not Figure 7 When the first area AR1 is not provided with the touch receiving electrode RX, the second area AR2 is provided with the touch receiving electrode RX. Figure 9 The left black matrix electrode 109 a , the right black matrix electrode 109 b , the upper black matrix electrode 109 c , and the lower black matrix electrode 109 d shown may form the touch receiving electrodes RX, particularly the 1a-th touch receiving electrode RX1 a .
[0204] That is, the touch receiving electrode RX may include at least two black matrix electrodes 109 a , 109 b , 109 c , and 109 d .
[0205] Finally, the black matrix line 110 may be disposed at the lower end portion of the encapsulation substrate 111 to surround a region corresponding to the opening portion OA, and the black matrix electrode 109 may overlap with the black matrix line 110 .
[0206] For example, Figure 10 As shown, the black matrix line 110 may be disposed on a lower surface of the encapsulation substrate 111 , and the black matrix electrode 109 may be disposed at a lower end portion of the black matrix line 110 .
[0207] That is, the black matrix electrode 109 may be disposed between the black matrix line 110 and the insulating layer 108 .
[0208] In this case, the black matrix electrode 109 may be disposed on the lower surface of the black matrix line 110 , and the width (length in the X-axis direction) of the black matrix electrode 109 may be smaller than the width (length in the X-axis direction) of the black matrix line 110 .
[0209] However, if Figure 11 As shown, the black matrix electrode 109 may be disposed on a lower surface of the encapsulation substrate 111 and may be covered by the black matrix line 110 .
[0210] For example, the black matrix electrode 109 may be disposed between the encapsulation substrate 111 and the black matrix line 110 .
[0211] In this case, the black matrix line 110 may be disposed to surround the lower surface and side surfaces of the black matrix electrode 109 .
[0212] Therefore, the width (length in the X-axis direction) of the black matrix electrode 109 may be smaller than the width (length in the X-axis direction) of the black matrix line 110 .
[0213] Hereinafter, the structure of the touch panel 100 b will be described using a plan view and a cross-sectional view of the touch panel 100 b in various regions of the touch panel 100 b.
[0214] Figure 12 yes Figure 7 A plan view of the third area of the touch panel is shown in FIG. Figure 13 is shown along Figure 12 An exemplary diagram of a cross-sectional surface taken along line X2-X2' shown in FIG. Figure 14 is shown along Figure 12 An exemplary diagram of a cross-sectional surface taken along line X3-X3' is shown in FIG.
[0215] As described above, the touch panel 100 b includes: a black matrix BM, which includes black matrix lines 110 arranged at the lower end portion of the packaging substrate 111 and surrounding the area corresponding to the opening portion OA; a black matrix electrode 109, which overlaps the black matrix lines 110; an insulating layer 108, which covers the black matrix lines 110 and the black matrix electrodes 109; and color filters RCF, GCF and BCF, which are arranged at the lower end portion of the insulating layer 108 and face the array panel 100 a.
[0216] First, refer to Figure 12 and Figure 13 , the black matrix electrode 109 may overlap with the black matrix line 110. For example, Figure 13 As shown, the black matrix line 110 may be disposed on a lower surface of the encapsulation substrate 111 , and the black matrix electrode 109 may be disposed at a lower end portion of the black matrix line 110 .
[0217] In this case, for example, Figure 7 and Figure 12 As shown, the 4a-th sub-touch driving electrode STX4a and the 4b-th sub-touch driving electrode STX4b constituting the fourth touch driving electrode TX4 are spaced apart from each other.
[0218] In particular, the 1b-th touch receiving electrode RX1b is provided between the 4a-th sub-touch driving electrode STX4a and the 4b-th sub-touch driving electrode STX4b.
[0219] like Figure 7As shown, the 1a-th touch receiving electrode line RXL1a may be disposed in a region of the third area AR3 overlapping the 1b-th touch receiving electrode RX1b, and the 1b-th wiring STXL1b may be disposed in a region of the third area AR3 overlapping the 4b-th sub-touch driving electrode STX4b.
[0220] In this case, the 4ath sub-touch driving electrode STX4a is connected to the 4ath wiring, and the 4bth sub-touch driving electrode STX4b is connected to the 4bth wiring. When the 4ath wiring and the 4bth wiring are connected, the 4ath sub-touch driving electrode STX4a and the 4b sub-touch driving electrode STX4b may be electrically connected.
[0221] In addition, the touch driving bridge TXBR may serve to electrically connect two black matrix electrodes which form the 4b-th sub-touch driving electrode STX4b and are spaced apart from each other with the 1b-th wiring STXL1b therebetween.
[0222] For example, the touch driving bridge TXBR may be provided at a lower end portion of the insulating layer 108 covering the black matrix line 110 and the black matrix electrode 109 .
[0223] In this case, the touch driving bridge TXBR may connect two black matrix electrodes spaced apart from each other along the first direction X through a contact hole formed in the insulating layer 108 .
[0224] More specifically, the black matrix electrode 109 connected to the touch driving bridge TXBR through the first contact hole CH1 and the black matrix electrode 109 connected to the touch driving bridge TXBR through the second contact hole CH2 form a 4b-th sub-touch driving electrode STX4b.
[0225] Therefore, the touch driving bridge TXBR can be connected to the 4b-th sub touch driving electrode STX4b through the first contact hole CH1 and the second contact hole CH2. Therefore, the black matrix electrodes spaced apart from each other and forming the 4b-th sub touch driving electrode STX4b can be electrically connected through the touch driving bridge TXBR.
[0226] To provide additional description, in the third area AR3, as shown in FIG. Figure 13 As shown, the black matrix electrode 109 constituting the 4a sub-touch drive electrode STX4a, the black matrix electrode 109 constituting the 1b touch receiving electrode RX1b, the black matrix electrode 109 constituting the 1a touch receiving electrode line RXL1a, the black matrix electrode 109 constituting the 1b touch receiving electrode RX1b, the black matrix electrode 109 constituting the 4b sub-touch drive electrode STX4b and the black matrix electrode 109 constituting the 1b wiring STXL1b are arranged side by side along the first direction X, and each of the black matrix electrodes 109 as described above extends along the second direction Y.
[0227] In this case, the touch driving bridge TXBR may be disposed at the lower end portion of the black matrix line 110 along the first direction X to electrically connect the black matrix electrodes 109 spaced apart from each other along the first direction X and constituting the 4b-th sub touch driving electrode STX4b.
[0228] Therefore, if Figure 13 As shown, the touch driving bridge TXBR electrically connecting the black matrix electrode 109 constituting the 4b-th sub-touch driving electrode STX4b may overlap with the black matrix electrode 109 constituting the 1b-th wiring STXL1b.
[0229] To provide additional description, the touch driving bridge TXBR may intersect at least one wiring STXL.
[0230] In this case, each of the first wirings STXL1a, STXL1b, and STXL1c (eg, the 1b-th wiring STXL1b) may include black matrix electrodes 109 arranged in a vertical row in the second direction Y among the black matrix electrodes 109 and connected to each other.
[0231] That is, each of the wirings STXL may include black matrix electrodes 109 arranged in a vertical line in the second direction Y and connected to each other.
[0232] In addition, each of the touch reception electrode lines RXL1 may further include black matrix electrodes 109 arranged in a vertical row in the second direction Y and connected to each other.
[0233] In addition, each of the second sub touch driving electrodes constituting the second touch driving electrode TX2 among the touch driving electrodes TX may include a black matrix electrode 109 .
[0234] In this case, each of the first wirings STXL1a, STXL1b, and STXL1c may be disposed parallel to the black matrix electrodes 109 disposed in a vertical row in the second direction Y among the second sub touch drive electrodes constituting the second touch drive electrode TX2 and connected to each other.
[0235] That is, as described above, each of the first wirings STXL1a, STXL1b and STXL1c connected to the first touch drive electrode TX1 can be arranged in parallel with the black matrix electrode 109 constituting the second touch drive electrode TX2, the black matrix electrode 109 constituting the third touch drive electrode TX3, the black matrix electrode 109 constituting the fourth touch drive electrode TX4, the black matrix electrode 109 constituting the fifth touch drive electrode TX5, and the black matrix electrode 109 constituting the sixth touch drive electrode TX6.
[0236] Secondly, refer to Figure 12 and Figure 14 , the black matrix electrode 109 may overlap the black matrix line 110 .
[0237] In this case, for example, Figure 7 and Figure 12 As shown, the black matrix electrodes 109 constituting the 1b-th touch receiving electrode RX1b may be spaced apart from each other.
[0238] In particular, if Figure 12 and Figure 14 As shown, the 1a-th touch receiving electrode line RXL1a may be provided between the black matrix electrodes 109 constituting the 1b-th touch receiving electrode RX1b.
[0239] In this case, if Figure 12 and Figure 14 As shown, the touch receiving bridge RXCL can be used to electrically connect the black matrix electrode 109 constituting the 1b-th touch receiving electrode RX1b.
[0240] For example, each of the touch receiving bridges RXCL constituting the 1b-th touch receiving electrode RX1 b may be provided at a lower end portion of the insulating layer 108 covering the black matrix line 110 and the black matrix electrode 109 .
[0241] Each of the touch receiving bridges RXCL may be connected to at least two black matrix electrodes 109 spaced apart from each other along the first direction X through a contact hole formed in the insulating layer 108 .
[0242] More specifically, if Figure 14 As shown, a touch receiving bridge RXCL for electrically connecting the black matrix electrode 109 constituting the 1b-th touch receiving electrode RX1 b may be provided at a lower end portion of the insulating layer 108 covering the black matrix line 110 and the black matrix electrode 109 .
[0243] In this case, the touch receiving bridge RXCL may be connected to the black matrix electrodes 109 constituting the 1b-th touch receiving electrode RX1b and spaced apart from each other along the first direction X. To this end, the touch receiving bridge RXCL may be connected to the black matrix electrode 109 through a third contact hole CH3 formed in the insulating layer 108 , and may be connected to another black matrix electrode 109 through a fourth contact hole CH4 formed in the insulating layer 108 .
[0244] As described above, the 1b-th touch receiving electrode RX1b may include at least two black matrix electrodes 109 connected by the touch receiving bridge RXCL.
[0245] That is, among the black matrix electrodes 109 forming the touch receiving electrode RX, the black matrix electrodes 109 spaced apart from each other may be electrically connected through the touch receiving bridge RXCL.
[0246] In addition, among the black matrix electrodes 109 forming the sub touch driving electrodes SXT, the black matrix electrodes 109 spaced apart from each other may be electrically connected through the touch driving bridge TXBR.
[0247] In this case, at least one of the touch driving bridge TXBR and the touch receiving bridge RXCL may be formed on a different layer from the black matrix electrode 109 .
[0248] To provide additional description, in the third area AR3, as shown in FIG. Figure 14 As shown, the black matrix electrode 109 constituting the 4a sub-touch drive electrode STX4a, the black matrix electrode 109 constituting the 1b touch receiving electrode RX1b, the black matrix electrode 109 constituting the 1a touch receiving electrode line RXL1a, the black matrix electrode 109 constituting the 1b touch receiving electrode RX1b, the black matrix electrode 109 constituting the 4b sub-touch drive electrode STX4b, and the black matrix electrode 109 constituting the 1b wiring STXL1b are arranged parallel to each other along the first direction X, and as described above, each of the black matrix electrodes 109 extends along the second direction Y.
[0249] In this case, the touch receiving bridge RXCL may be disposed along the first direction X to electrically connect at least two black matrix electrodes 109 that are spaced apart from each other along the first direction X and constitute the 1b-th touch receiving electrode RX1 b .
[0250] Therefore, if Figure 14 As shown, the touch receiving bridge RXCL electrically connecting at least two black matrix electrodes 109 spaced apart from each other along the first direction X and constituting the 1b-th touch receiving electrode RX1b may overlap the black matrix electrode 109 forming the 1a-th touch receiving electrode line RXL1a.
[0251] To provide additional description, each of the touch receiving bridges RXCL may intersect at least one touch receiving electrode line RXL.
[0252] That is, in the black matrix electrodes 109 constituting the touch receiving electrode RX, a touch receiving electrode line RXL can be set between two black matrix electrodes 109 arranged parallel to each other along the first direction X, and the two black matrix electrodes 109 arranged parallel to each other can be electrically connected by a touch receiving bridge RXCL set at the lower end of the insulating layer 108.
[0253] Furthermore, among the black matrix electrodes 109 constituting the sub-touch driving electrode STX, two black matrix electrodes 109 disposed in parallel with each other and spaced apart from each other along the first direction X may be connected by a touch driving bridge.
[0254] That is, among the black matrix electrodes 109 constituting the sub-touch driving electrode STX, at least one wiring STXL may be provided between two black matrix electrodes 109 disposed parallel to each other in the first direction X.
[0255] In this case, the touch driving bridge TXBR may be provided at a lower end portion of the insulating layer 108 to intersect with at least one wiring STXL and may be connected to the two black matrix electrodes 109 through a contact hole provided in the insulating layer 108 .
[0256] As described above, each of the touch receiving bridge RXCL and the touch driving bridge TXBR may be provided between the insulating layer 108 and the color filter 107. However, each of the touch receiving bridge RXCL and the touch driving bridge TXBR may be provided between the color filter 107 and the overcoat layer 106, or may be provided between the black matrix BM and the encapsulation substrate 111.
[0257] Each of the touch receiving electrodes RX may include black matrix electrodes arranged in a vertical row along the second direction Y and connected among the black matrix electrodes 109 .
[0258] That is, in a region where the touch receiving electrode RX overlaps the touch receiving bridge RXCL, each of the touch receiving electrodes RX may include a black matrix electrode disposed in a vertical row along the second direction Y and connected.
[0259] To provide additional description, the touch receiving electrodes RX may include black matrix electrodes 109 arranged in vertical rows along the second direction Y and connected.
[0260] In addition, the touch reception electrode lines RXL may include black matrix electrodes 109 arranged in vertical rows along the second direction Y and connected.
[0261] Figure 15 yes Figure 7 another plan view of the first region or the second region shown in FIG. Figure 16 is shown along Figure 15 An exemplary diagram of a cross-sectional surface taken along line X4-X4' shown in FIG. Figure 17 yes Figure 7 another plan view of the first region or the second region shown in FIG. 1 , and Figure 18 is shown along Figure 17 In the following description, the following description is omitted or briefly described with reference to Figures 1 to 14 The details described are the same or similar details.
[0262] As described above, the touch panel 100 b includes: a black matrix BM, which includes black matrix lines 110 arranged at the lower end portion of the packaging substrate 111 and surrounding the area corresponding to the opening portion OA; a black matrix electrode 109, which overlaps the black matrix lines 110; an insulating layer 108, which covers the black matrix lines 110 and the black matrix electrodes 109; and color filters RCF, GCF and BCF, which are arranged at the lower end portion of the insulating layer 108 and face the array panel 100 a.
[0263] In this case, the sub-touch drive electrodes STX spaced apart from each other along the first direction X can be connected via the wiring STXL extending to the non-touch area NTA. In addition, the black matrix electrodes 109 spaced apart from each other along the first direction X among the black matrix electrodes 109 constituting the touch receiving electrode RX can be connected via the touch receiving bridge RXCL. In addition, the black matrix electrodes 109 spaced apart from each other along the first direction X among the black matrix electrodes 109 constituting the sub-touch drive electrodes STX can be connected via the touch drive bridge TXBR.
[0264] Furthermore, in the display device according to the embodiment of the present disclosure, as Figures 15 to 18 As shown, a transparent touch electrode 109y may also be included to improve touch sensitivity.
[0265] First, for example, when Figures 15 to 18 Shown Figure 7 When the first area AR1 of the touch panel 100b is touched, Figures 15 to 18 The illustrated black matrix electrode 109 may constitute the touch electrode TE included in the first touch driving electrode TX1 , and in particular, may constitute the 1a-th sub-touch driving electrode STX1 a .
[0266] like Figures 15 to 18 As shown, the 1a-th sub-touch driving electrode STX1a constituting the first touch driving electrode TX1 may further include a transparent touch electrode 109y. In this case, the transparent touch electrode 109y may be provided in a region corresponding to the opening OA and may be provided along the second direction Y.
[0267] like Figure 16 As shown, the transparent touch electrode 109y may be disposed between the insulating layer 108 and the color filter CF.
[0268] In this case, the black matrix electrode 109 constituting the 1a-th sub-touch driving electrode STX1 a and disposed in the first direction X may be connected to the transparent touch electrode 109 y through the fifth contact hole CH5 disposed in the insulating layer 108 .
[0269] In addition, the transparent touch electrode 109y may be provided between the insulating layer 108 and the color filter CF. The connection transparent touch electrode 109x may be provided in the first sub touch driving electrode STX1 constituting the first touch driving electrode TX1.
[0270] For example, Figure 17 As shown, the connection transparent touch electrode 109x may overlap with at least one black matrix electrode 109 disposed in the first direction X, and in particular, as shown in FIG. Figure 18 As shown, the connection transparent touch electrode 109x may be disposed between at least one black matrix electrode 109 disposed in the first direction X and the color filter CF.
[0271] In this case, the connection transparent touch electrode 109x may be provided on the lower end portion of the insulating layer 108 and may be provided on the same layer as the transparent touch electrode 109y.
[0272] The connection transparent touch electrode 109 x may be connected to at least one of the black matrix electrodes 109 constituting the first touch driving electrode TX1 .
[0273] That is, the connection transparent touch electrode 109 x may be connected to the at least one black matrix electrode 109 through the at least one sixth contact hole CH6 provided in the insulating layer 108 .
[0274] To provide additional description, for example, the 1a-th sub-touch driving electrode STX1a may further include at least one transparent touch electrode 109y and at least one connection transparent touch electrode 109x disposed in the opening portion OA.
[0275] like Figure 15 As shown, the transparent touch electrodes 109y may be disposed along the second direction Y. However, the transparent touch electrodes 109y may be disposed along the first direction X.
[0276] The transparent touch electrode 109 y may be provided in all the openings OA, but in consideration of the area of the openings OA, the transparent touch electrode 109 y may be provided in at least one opening OA.
[0277] For example, when the area of the green pixel G among the red pixel R, the green pixel G, and the blue pixel B is the smallest or the brightness of the green pixel G is the lowest, the transparent touch electrode 109 y may not be provided in the green pixel G.
[0278] like Figure 15 and Figure 16 As shown, the transparent touch electrode 109y may be electrically connected to the black matrix electrode 109 extending in the first direction X.
[0279] For example, the transparent touch electrode 109y may be connected to at least one of the upper black matrix electrode 109c and the lower black matrix electrode 109d.
[0280] In addition, if Figure 17 As shown, the 1a-th sub-touch driving electrode STX1a may further include a connecting transparent touch electrode 109x connected to the transparent touch electrode 109y.
[0281] The connection transparent touch electrode 109x may be formed on the same layer as the transparent touch electrode 109y and may be connected to the transparent touch electrode 109y.
[0282] The connecting transparent touch electrode 109x may be disposed along the upper black matrix electrode 109c or along the lower black matrix electrode 109d.
[0283] The connection transparent touch electrode 109x may be connected to at least one of the upper black matrix electrode 109c and the lower black matrix electrode 109d.
[0284] However, if Figure 17 As shown, the connection transparent touch electrode 109x may be connected to at least one of the left black matrix electrode 109a and the right black matrix electrode 109b.
[0285] Second, for example, when Figures 15 to 18 Shown Figure 7 When the second area AR2 of the touch panel 100b is touched, Figures 15 to 18 The black matrix electrode 109 shown may constitute the 1a-th touch receiving electrode RX1 a .
[0286] In this case, the 1a-th touch receiving electrode RX1a may further include at least one of the touch transparent electrode 109y and the connection touch transparent electrode 109x as described above.
[0287] That is, each of the sub-touch driving electrodes STX may further include at least one of a touch transparent electrode 109y and a connection touch transparent electrode 109x, and each of the touch receiving electrodes RX may further include at least one of a contact transparent electrode 109y and a connection touch transparent electrode 109x.
[0288] Hereinafter, features of the display device according to the embodiments of the present disclosure described above are summarized.
[0289] First, the display device according to an embodiment of the present disclosure has a structure in which the touch panel 100b is bonded to the upper end portion of the array panel 100a, and can be applied to a structure in which it is difficult to directly form a touch electrode on the upper end portion of the encapsulation layer of the array panel. For example, the display device according to an embodiment of the present disclosure can be applied to a large-area display device, a transparent display device, and a high-resolution display device.
[0290] Next, in a display device according to an embodiment of the present disclosure, touch electrodes may be provided on a plane of a package substrate 111. The touch electrodes may be provided using a mutual capacitance method or a self-capacitance method. The touch panel 100b including the package substrate 111 provided with touch electrodes may be attached to the array panel 100a using a side bonding technique.
[0291] According to the side joining technique, e.g. Figure 8 As shown, the side pads 802 connected to the touch electrodes TE may be exposed on the side surface of the touch panel 100 b and may be connected to the touch driver 800 through a printed circuit board 810 attached to the side surface.
[0292] Next, according to the display device according to the embodiment of the present disclosure, the reduction in transmittance can be minimized, and the increase in the frame can be minimized. Therefore, a large-area display device capable of sensing touch can be realized.
[0293] Next, when the mutual touch driving electrodes TX are provided in a large-area display device, since the length of the touch driving electrodes TX is long, the amplitude of the touch driving signal may vary according to the position of the touch driving electrodes TX.
[0294] In order to prevent this problem, in the display device according to the embodiment of the present disclosure, as shown in FIG. Figure 7 As described above, the wiring STXL may be provided in each of the sub-touch driving electrodes STX constituting the touch driving electrode TX. In this case, the wiring STXL may be provided in parallel along the first direction X of the touch panel 100b.
[0295] The wirings STXL extending in the second direction Y may be connected to each other in the non-touch area NTA and may be connected to the touch driving electrode lines TXL.
[0296] Therefore, the sub touch driving electrodes STX constituting the touch driving electrode TX may be electrically connected.
[0297] Next, in the display device according to an embodiment of the present disclosure, the black matrix electrodes 109 constituting the touch electrodes TE are disposed on the black matrix lines 110 constituting the black matrix BM. Therefore, a decrease in transmittance due to the touch electrodes TE can be minimized or at least reduced.
[0298] In particular, when the display device according to the embodiment of the present disclosure is a low-resolution display device, a transparent touch electrode 109 y may be further formed in the opening portion OA to improve the sensitivity of the touch electrode TE.
[0299] The transparent touch electrode 109y may be formed of, for example, a transparent metal such as indium tin oxide (ITO).
[0300] In this case, if Figure 16 and Figure 18 As shown, the transparent touch electrode 109y may be disposed between the insulating layer 108 and the color filter CF, or between the overcoat layer 106 and the color filter CF.
[0301] In addition, the transparent touch electrode 109 y may be disposed between the encapsulation substrate 111 and the black matrix line 110 .
[0302] Next, in the display device according to an embodiment of the present disclosure, the touch drive electrode TX may include a black matrix electrode 109 constituting a sub-touch drive electrode STX and a touch drive bridge TXBR for connecting the black matrix electrodes 109 spaced apart from each other among the black matrix electrodes 109 constituting the sub-touch drive electrode STX.
[0303] Furthermore, in the display device according to the embodiment of the present disclosure, the touch receiving electrode RX may include the black matrix electrode 109 and the touch receiving bridge RXCL for connecting the black matrix electrodes 109 spaced apart from each other.
[0304] In this case, the wiring SXTL connected to the sub touch driving electrode STX extends along the black matrix line 110 disposed in the second direction Y to the non-touch area NTA corresponding to the non-display area NDA and may be connected to the touch driving electrode line TXL.
[0305] In addition, the touch receiving electrode lines RXL connected to the touch receiving electrodes RX may also extend along the black matrix lines 110 disposed in the second direction Y to the non-touch area NTA.
[0306] Next, if Figure 10 As shown, the black matrix electrode 109 may be provided at the lower end of the black matrix line 110, or as shown in FIG. Figure 11 As shown, it may be disposed on the packaging substrate 111 and then covered by the black matrix line 110 .
[0307] In this case, to minimize reflection in the black matrix electrode 109, an oxide film metal may be first deposited on the lower surface of the package substrate 111. The oxide film metal may be, for example, at least one of MoTi, MoOx, Ti, TiOx, and CuSix.
[0308] Finally, the transparent touch electrode 109y may be formed of, for example, a transparent metal such as indium tin oxide (ITO).
[0309] In this case, if Figure 16 and Figure 18 As shown, the transparent touch electrode 109y may be disposed between the insulating layer 108 and the color filter CF, or between the overcoat layer 106 and the color filter CF.
[0310] In addition, the transparent touch electrode 109 y may be disposed between the encapsulation substrate 111 and the black matrix line 110 .
[0311] In addition, the touch driving bridge TXBR and the touch receiving bridge RXCL may be provided between the overcoat layer 106 and the color filter CF, or between the package substrate 111 and the black matrix line 110 .
[0312] Features of the display device according to an embodiment of the present disclosure are briefly summarized as follows.
[0313] A display device according to an embodiment of the present disclosure includes: an array panel, the array panel being provided with pixels including openings through which light is output; and a touch panel being provided on the array panel and including touch electrodes, wherein the touch panel includes: a color filter being provided to overlap with the pixels; an insulating layer being provided on the color filter; a black matrix being provided on the insulating layer and including black matrix lines surrounding areas corresponding to the openings; black matrix electrodes overlapping with the black matrix lines; and a packaging substrate being provided on the black matrix, wherein each of the touch electrodes includes at least two black matrix electrodes connected to each other.
[0314] The black matrix electrode is disposed between the black matrix line and the insulating layer.
[0315] The black matrix electrode is disposed between the packaging substrate and the black matrix line.
[0316] The touch panel includes touch drive electrodes and touch receiving electrodes, each of the touch drive electrodes includes a sub-touch drive electrode arranged along a first direction of the touch panel, a portion of the touch electrode is the sub-touch drive electrode, and another portion of the touch electrode is the touch receiving electrode, and the touch drive electrodes are arranged to be spaced apart from each other along a second direction of the touch panel.
[0317] Each of the first wirings connected to the first sub touch drive electrodes constituting the first touch drive electrode among the touch drive electrodes extends along the second direction, and each of the first wirings includes black matrix electrodes arranged in a row in the second direction and connected to each other.
[0318] Each of the second sub touch drive electrodes constituting the second touch drive electrode among the touch drive electrodes includes a black matrix electrode, and each of the first wirings is arranged parallel to the black matrix electrodes arranged in a row along the second direction and connected to each other in the second sub touch drive electrodes.
[0319] Each of the touch receiving electrodes extends along the second direction between two sub touch driving electrodes spaced apart from each other along the first direction.
[0320] Each of the touch receiving electrodes includes a black matrix electrode, and the black matrix electrodes are arranged in a row along the second direction and connected to each other.
[0321] Each of the touch receiving electrodes is connected to a touch receiving electrode line extending along the second direction, and the touch receiving electrode lines include black matrix electrodes arranged in a row along the second direction and connected to each other.
[0322] The touch receiving electrode line is arranged between two black matrix electrodes arranged parallel to each other along the first direction among black matrix electrodes constituting the touch receiving electrode, and the touch panel further includes a touch receiving bridge overlapping the touch receiving electrode line and connected to the two black matrix electrodes.
[0323] The first sub touch drive electrode constituting the first touch drive electrode among the touch drive electrodes further includes a transparent touch electrode, and the transparent touch electrode is provided in a region corresponding to the opening and along the second direction.
[0324] The transparent touch electrode is disposed between the insulating layer and the color filter, and a black matrix electrode included in the first sub-touch driving electrode and disposed in the first direction is connected to the transparent touch electrode.
[0325] The first sub-touch drive electrode also includes a connecting transparent touch electrode, which is arranged between the insulating layer and the color filter, and the connecting transparent touch electrode is arranged between at least one black matrix electrode arranged in the first direction and the color filter, and the connecting transparent touch electrode is connected to the transparent touch electrode.
[0326] The connection transparent touch electrode is connected to at least one of the black matrix electrodes included in the first sub-touch driving electrodes.
[0327] The touch panel further includes side pads exposed on a side surface of the touch panel and electrically connected to the touch electrodes, and the side pads are electrically connected to a printed circuit board on which a touch driver is mounted.
[0328] Black matrix electrodes spaced apart from each other among black matrix electrodes forming sub touch driving electrodes are connected by a touch driving bridge, and black matrix electrodes spaced apart from each other among black matrix electrodes forming touch receiving electrodes are connected by a touch receiving bridge.
[0329] At least one of the touch driving bridge and the touch receiving bridge is formed on a different layer from the black matrix electrode.
[0330] According to the display device according to an embodiment of the present disclosure, the touch electrode can be provided to overlap with the black matrix, and thus, a touch can be sensed without reducing the transmittance of the display panel.
[0331] According to the display device according to the embodiment of the present disclosure, the touch electrode can also be provided in a large display panel in which it is difficult to provide the touch electrode on the upper end portion of the encapsulation layer of the display panel.
[0332] Therefore, touch can be sensed in display devices of various sizes and various types, and thus, utilization efficiency of the display devices can be improved.
[0333] The display device according to the present disclosure can be applied to all electronic devices including display panels. For example, the display device according to the present disclosure can be applied to virtual reality (VR) devices, augmented reality (AR) devices, mobile devices, video phones, smart watches, watch phones or wearable devices, foldable devices, rollable devices, bendable devices, flexible devices, curved devices, electronic notebook computers, e-books, PMPs (portable multimedia players), PDAs (personal digital assistants), MP3 players, mobile medical devices, desktop PCs, laptop PCs, netbook computers, workstations, navigation, car navigation, vehicle display devices, televisions, wallpaper display devices, sign devices, gaming devices, laptops, monitors, camera devices, camcorders, and home appliances.
[0334] The above-mentioned features, structures and effects of the present disclosure are included in at least one embodiment of the present disclosure, but are not limited to one embodiment. In addition, those skilled in the art can realize the features, structures and effects described in at least one embodiment of the present disclosure through the combination or modification of other embodiments. Therefore, the content associated with the combination and modification should be interpreted as being within the scope of the present disclosure.
[0335] It will be apparent to those skilled in the art that various modifications and variations may be made in the present disclosure without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure is intended to cover modifications and variations of the present disclosure as long as these modifications and variations are within the scope of the present disclosure.
Claims
1. A display device, comprising: an array panel provided with pixels including openings through which light is output; as well as a touch panel disposed on the array panel and comprising touch electrodes, Wherein, the touch panel includes: a color filter, the color filter being arranged to overlap with the pixel; an insulating layer, the insulating layer being disposed on the color filter; a black matrix disposed on the insulating layer and including black matrix lines surrounding an area corresponding to the opening; a black matrix electrode, the black matrix electrode overlapping the black matrix line; and a packaging substrate, wherein the packaging substrate is arranged on the black matrix, Each of the touch electrodes includes at least two black matrix electrodes connected to each other.
2. The display device according to claim 1, wherein The black matrix electrode is disposed between the black matrix line and the insulating layer.
3. The display device according to claim 1, wherein The black matrix electrode is disposed between the packaging substrate and the black matrix line. The display device according to claim 1 , wherein: The touch panel includes touch driving electrodes and touch receiving electrodes. Each of the touch driving electrodes includes a sub-touch driving electrode arranged along a first direction of the touch panel, A portion of the touch electrodes is the sub-touch driving electrodes, and another portion of the touch electrodes is the touch receiving electrodes, and The touch driving electrodes are disposed to be spaced apart from each other along a second direction of the touch panel.
5. The display device according to claim 4, wherein Each of the first wirings connected to the first sub touch drive electrodes constituting the first touch drive electrode among the touch drive electrodes extends along the second direction, and Each of the first wirings includes black matrix electrodes arranged in a row in the second direction and connected to each other. The display device according to claim 5 , wherein: Each of the second sub-touch driving electrodes constituting the second touch driving electrode among the touch driving electrodes includes a black matrix electrode, and Each of the first wirings is disposed in parallel to black matrix electrodes that are disposed in a row along the second direction and connected to each other in the second sub-touch driving electrodes.
7. The display device according to claim 4, wherein Each of the touch receiving electrodes extends along the second direction between two sub touch driving electrodes spaced apart from each other along the first direction.
8. The display device according to claim 7, wherein Each of the touch receiving electrodes includes black matrix electrodes arranged in a row along the second direction and connected to each other.
9. The display device according to claim 8, wherein Each of the touch receiving electrodes is connected to a touch receiving electrode line extending along the second direction, and The touch receiving electrode lines include black matrix electrodes arranged in rows along the second direction and connected to each other.
10. The display device according to claim 9, wherein The touch receiving electrode line is arranged between two black matrix electrodes that constitute touch receiving electrodes and are arranged parallel to each other along the first direction among the black matrix electrodes, and The touch panel further includes a touch receiving bridge overlapping the touch receiving electrode line and connected to the two black matrix electrodes.
11. The display device according to claim 4, wherein The first sub-touch driving electrode constituting the first touch driving electrode among the touch driving electrodes further includes a transparent touch electrode, and The transparent touch electrode is disposed in a region corresponding to the opening and is disposed along the second direction.
12. The display device according to claim 11, wherein The transparent touch electrode is disposed between the insulating layer and the color filter, and A black matrix electrode included in the first sub-touch driving electrode and disposed in the first direction is connected to the transparent touch electrode.
13. The display device according to claim 11, wherein The first sub-touch driving electrode further includes a transparent touch electrode connected thereto. The transparent touch electrode is provided between the insulating layer and the color filter, The connecting transparent touch electrode is disposed between at least one black matrix electrode disposed in the first direction and the color filter, and The connecting transparent touch electrode is connected to the transparent touch electrode.
14. The display device according to claim 13, wherein The connection transparent touch electrode is connected to at least one of the black matrix electrodes included in the first sub-touch driving electrodes.
15. The display device according to claim 1, wherein The touch panel further includes side pads exposed at side surfaces of the touch panel and electrically connected to the touch electrodes, and The side pads are electrically connected to a printed circuit board on which a touch driver is mounted.
16. The display device according to claim 4, wherein The black matrix electrodes spaced apart from each other forming the sub touch driving electrodes among the black matrix electrodes are connected by a touch driving bridge, and Black matrix electrodes spaced apart from each other forming a touch receiving electrode among the black matrix electrodes are connected by a touch receiving bridge.
17. The display device according to claim 16, wherein At least one of the touch driving bridge and the touch receiving bridge is formed on a different layer from the black matrix electrode.
18. The display device according to claim 3, wherein Each of the black matrix electrodes is configured to be embedded in a corresponding black matrix line.
Citation Information
Patent Citations
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KR1020240027945A