Display device

Abstract

The present disclosure relates to a display device including: a first sensor electrode row arranged in a sensing area, the first sensor electrode row including a plurality of first sensor electrodes, and the first sensor electrode row extending in a first direction; and a second sensor electrode row disposed in the sensing region and extending in a second direction intersecting the first direction, in which a width of the second sensor electrode row in the first direction is not constant.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application is based on and claims the benefit of priority from Korean Patent Application No. 10-2023-0116272 filed on September 1, 2023 in the Korean Intellectual Property Office, the disclosure of which is incorporated herein in its entirety by reference. Technical Field

[0003] The present disclosure relates to a display device. Background Art

[0004] The display device visually displays data. The display device may be used as a display of a small product such as a mobile phone, or as a display of a large product such as a television.

[0005] The display device may include a liquid crystal display device that uses a backlight but does not emit light itself, or a light-emitting display device that includes a display element that can emit light. The display element may include an emission layer. Summary of the invention

[0006] One or more embodiments relate to a display device with improved reliability and quality. However, the one or more embodiments are merely examples, and the scope of the present disclosure is not limited thereto.

[0007] Additional aspects will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the disclosure.

[0008] According to one or more embodiments, a display device includes: a first sensor electrode row arranged in a sensing area, the first sensor electrode row including a plurality of first sensor electrodes, and the first sensor electrode row extending in a first direction; and a second sensor electrode row arranged in the sensing area, and the second sensor electrode row extending in a second direction intersecting the first direction, wherein a width of the second sensor electrode row in the first direction is not constant.

[0009] According to one or more embodiments, first sensor electrodes adjacent to each other among the plurality of first sensor electrodes may be connected to each other by a bridge line.

[0010] According to one or more embodiments, at least a portion of the second sensor electrode row arranged between adjacent first sensor electrode rows may include a first portion and a second portion, and a width of the first portion in the first direction may be greater than a width of the second portion in the first direction.

[0011] According to one or more embodiments, the second sensor electrode row may include a second-1 sensor electrode row and a second-2 sensor electrode row, and the second-2 sensor electrode row may be closer to the pad unit than the second-1 sensor electrode row is to the pad unit.

[0012] According to one or more embodiments, a portion of a channel line connecting the second-1 sensor electrode row to a pad may cross a bridge line, and the portion of the channel line may be arranged in a different layer from the bridge line.

[0013] According to one or more embodiments, the second-1 sensor electrode row and the second-2 sensor electrode row may be connected to a single pad arranged in the pad unit.

[0014] According to one or more embodiments, the second-1 sensor electrode row and the second-2 sensor electrode row may be connected to two pads arranged in the pad unit, respectively.

[0015] According to one or more embodiments, the second sensor electrode row may include a third portion and a fourth portion, and each of the third portion and the fourth portion may include at least a portion of one of the first sensor electrode rows or at least a portion of two adjacent first sensor electrode rows.

[0016] According to one or more embodiments, a width of the third portion in the first direction may continuously increase toward the driving unit.

[0017] According to one or more embodiments, a width of the fourth portion in the first direction may continuously decrease toward the driving unit.

[0018] According to one or more embodiments, the third portions and the fourth portions may be alternately arranged in the second direction, and the second sensor electrode row may include a plurality of the third portions and a plurality of the fourth portions alternately arranged.

[0019] According to one or more embodiments, the second sensor electrode row may include a second-1 sensor electrode row and a second-2 sensor electrode row, the second-2 sensor electrode row being closer to the pad unit than the second-1 sensor electrode row is to the pad unit, and each of the second-1 sensor electrode row and the second-2 sensor electrode row includes the third portion and the fourth portion arranged alternately.

[0020] According to one or more embodiments, a display device includes: a first sensor electrode row arranged in a sensing area, the first sensor electrode row including a plurality of first sensor electrodes, and the first sensor electrode row extending in a first direction; and a second sensor electrode row arranged in the sensing area, and the second sensor electrode row extending in a second direction intersecting the first direction, wherein a first edge of the second sensor electrode row includes a first boundary line and a second boundary line, and the first boundary line is an oblique line with a positive inclination, and the second boundary line is an oblique line with a negative inclination.

[0021] According to one or more embodiments, each of the first boundary line and the second boundary line may cross one of the first sensor electrode rows or two adjacent first sensor electrode rows.

[0022] According to one or more embodiments, the first boundary line and the second boundary line may be arranged in the second direction, and the first edge of the second sensor electrode row may include a plurality of the first boundary lines and a plurality of the second boundary lines that are alternately arranged.

[0023] According to one or more embodiments, the second sensor electrode row may include a second-1 sensor electrode row and a second-2 sensor electrode row, the second-2 sensor electrode row being closer to the driving unit than the second-1 sensor electrode row is to the driving unit, and a first edge of the second-1 sensor electrode row and a first edge of the second-2 sensor electrode row may each include the first boundary line and the second boundary line arranged alternately.

[0024] According to one or more embodiments, the second edge of the second sensor electrode row may be a straight line.

[0025] According to one or more embodiments, the second sensor electrode row may include a second-1 sensor electrode row and a second-2 sensor electrode row, the second-2 sensor electrode row being closer to the driving unit than the second-1 sensor electrode row is to the driving unit, and each of the second-1 sensor electrode row and the second-2 sensor electrode row may include a first edge and a second edge, the first edge of each of the second-1 sensor electrode row and the second-2 sensor electrode row including the first boundary line and the second boundary line, and the second edge of each of the second-1 sensor electrode row and the second-2 sensor electrode row is provided as a straight line.

[0026] According to one or more embodiments, a display device includes: a first sensor electrode row arranged in a sensing area, the first sensor electrode row including a plurality of first sensor electrodes, and the first sensor electrode row extending in a first direction; and a second sensor electrode row arranged in the sensing area, and the second sensor electrode row extending in a second direction intersecting the first direction, wherein a third edge of the second sensor electrode row is an inclined line with a positive inclination, and a fourth edge of the second sensor electrode row is an inclined line with a negative inclination.

[0027] According to one or more embodiments, a display device includes: a first sensor electrode row arranged in a sensing area, the first sensor electrode row including a plurality of first sensor electrodes, and the first sensor electrode row extending in a first direction; and a second sensor electrode row arranged in the sensing area, and the second sensor electrode row extending in a second direction intersecting the first direction, wherein a fifth edge of the second sensor electrode row is an oblique line having a positive inclination or a negative inclination, and a sixth edge of the second sensor electrode row is a straight line. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and other aspects, features and advantages of certain embodiments of the present disclosure will become more apparent from the following description taken in conjunction with the accompanying drawings, in which:

[0029] Figure 1 schematically shows a perspective view of a display device according to an embodiment;

[0030] Figure 2 Schematically showing a Figure 1 A cross-sectional view of the display panel taken along line II';

[0031] Figure 3 is an equivalent circuit diagram schematically showing a sub-pixel circuit electrically connected to a sub-pixel according to an embodiment;

[0032] Figures 4 to 6 each schematically showing a plan view of a display device including a sensing area according to an embodiment;

[0033] Figure 7 and Figure 8 Each schematically shows a flow chart according to an embodiment Figure 5 A cross-sectional view of the display device taken along line II-II';

[0034] Figures 9 to 11 each schematically showing a plan view of a display device including a sensing area according to an embodiment;

[0035] Figure 12 to Figure 14each schematically shows a plan view of a display device including a sensing area according to an embodiment; and

[0036] Fig.15 and Fig.16 Each schematically shows a plan view of a display device including a sensing area according to an embodiment. DETAILED DESCRIPTION

[0037] Reference will now be made in detail to embodiments, examples of which are shown in the accompanying drawings, wherein the same reference numerals represent the same elements throughout. In this regard, the present embodiment may have different forms and should not be construed as being limited to the description set forth herein. Therefore, the embodiments are described below only by reference to the accompanying drawings to explain aspects of this specification. As used herein, the term "and / or" includes any and all combinations of one or more related listed items. Throughout this disclosure, the expression "at least one of a, b, and c" means only a, only b, only c, both a and b, both a and c, both b and c, all of a, b, and c, or variations thereof.

[0038] Because the present disclosure can have different modified embodiments, the preferred embodiments are shown in the drawings and described in the detailed description. When referring to the embodiments described with reference to the drawings, the effects and characteristics of the present disclosure and the methods for achieving these will be obvious. However, the present disclosure can be implemented in many different forms and should not be interpreted as being limited to the embodiments set forth herein.

[0039] One or more embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Regardless of the figure number, those elements that are the same or corresponding are given the same reference numerals, and their redundant descriptions are omitted.

[0040] In the following embodiments, the terms “first” and “second” are not used in a limiting sense but are used to distinguish one component from another.

[0041] As used herein, the singular expressions "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0042] It will also be understood that the terms “comprises” and / or “comprising” used herein specify the presence of stated features or components, but do not preclude the presence or addition of one or more other features or components.

[0043] It will be understood that when a layer, region or element is referred to as being formed "on" another layer, another region or another element, the layer, the region or the element may be formed directly or indirectly on the other layer, the other region or the other element. That is, for example, there may be intervening layers, intermediate regions or intermediate elements.

[0044] In the drawings, the size of the components may be exaggerated or reduced for the convenience of description. In other words, since the size and thickness of the elements in the drawings are arbitrarily shown for the convenience of description, the following embodiments are not limited thereto.

[0045] When a specific embodiment can be implemented differently, the specific process order can be performed differently from the described order. For example, two consecutively described processes can be performed substantially simultaneously or in the reverse order of the described order.

[0046] In the specification, "A and / or B" means only A, only B, or both A and B. In addition, "at least one of A and B" means only A, only B, or both A and B.

[0047] In the embodiments hereinafter, it will be understood that when an element, region or layer is referred to as being connected to another element, another region or another layer, it may be directly and / or indirectly connected to another element, another region or another layer. For example, in the specification, when a layer, a region or a component, etc. is electrically connected to another layer, another region or another component, etc., the layer, the region or the component, etc. may be directly electrically connected to the another layer, the another region or the another component, etc. and / or may be indirectly electrically connected to the another layer, the another region or the another component, with an intermediate layer, intermediate region or intermediate component, etc. being between the layer, the region or the component, etc. and the another layer, the another region or the another component, etc.

[0048] In the following examples, the x-axis, y-axis, and z-axis are not limited to the three axes of the rectangular coordinate system and can be interpreted in a broader sense. For example, the x-axis, y-axis, and z-axis can be perpendicular to each other, or can represent different directions that are not perpendicular to each other.

[0049] Figure 1 A perspective view schematically shows a display device according to an embodiment.

[0050] The display device according to the embodiment can display a moving image or a still image, and can be used as a display of various products such as portable electronic devices (such as mobile phones, smart phones, tablet personal computers (PCs), mobile communication devices, electronic notepads, electronic books, portable multimedia players (PMPs), navigation devices, and ultra-mobile PCs (UMPCs)) and televisions, notebook computers, monitors, billboards, and Internet of Things (IoT) devices. In addition, the display device according to the embodiment can be used in wearable devices such as smart watches, watch phones, glasses displays, and head-mounted displays (HMDs). In addition, the display device according to the embodiment can be used as a dashboard of a vehicle, a central information display (CID) arranged in the central dashboard or dashboard of the vehicle, an in-vehicle mirror display instead of a side mirror of the vehicle, an entertainment device for the rear seat of the vehicle, and a display arranged on the rear surface of the front seat.

[0051] Reference Figure 1 , the display device 1 may have an edge in a first direction and an edge in a second direction. The first direction and the second direction may intersect each other. For example, the first direction and the second direction may form an acute angle. In another example, the first direction and the second direction may form an obtuse angle or a right angle. Hereinafter, the description will be mainly directed to the case where the first direction and the second direction intersect each other. For example, the first direction may be an x ​​direction or a -x direction, and the second direction may be a y direction or a -y direction. A third direction perpendicular to the first direction and the second direction may be a z direction or a -z direction.

[0052] The display device 1 may include a display area DA and a peripheral area PA located outside the display area DA. The display device 1 may provide a specific image by using light emitted from a plurality of sub-pixels PX arranged in the display area DA. The peripheral area PA is an area disposed outside the display area DA, and the peripheral area PA may be a non-display area in which the sub-pixels PX are not arranged. The entire display area DA may be surrounded by the peripheral area PA.

[0053] Hereinafter, although an organic light-emitting display device is described as a display device according to an embodiment, the display device of the present disclosure is not limited thereto. In an embodiment, the display device of the present disclosure may be an inorganic light-emitting display or an inorganic electroluminescent (EL) display, or a quantum dot light-emitting display. For example, an emission layer of a display element included in the display device may include an organic material or an inorganic material. In addition, the display device may include an emission layer and quantum dots located on the path of light emitted from the emission layer.

[0054] Figure 2 Schematically showing a Figure 1 Specifically, Figure 2A cross-sectional view schematically shows a display region of a display device according to an embodiment.

[0055] Reference Figure 2 , the display panel 10 may include a substrate 100, an inorganic insulating layer IIL, an organic insulating layer OIL, a sub-pixel circuit PC, a connecting electrode CM, an organic light emitting diode OLED, a pixel defining layer 118, a spacer 119, and an encapsulation layer 300. The display panel 10 may further include a touch sensor layer 400. The present disclosure is not limited thereto. That is, the substrate 100, the inorganic insulating layer IIL, the organic insulating layer OIL, the sub-pixel circuit PC, the connecting electrode CM, the organic light emitting diode OLED, the pixel defining layer 118, the spacer 119, the encapsulation layer 300, and the touch sensor layer 400 may be arranged in the display area DA.

[0056] The substrate 100 may include a first base layer 100a, a first barrier layer 100b, a second base layer 100c, and a second barrier layer 100d. In an embodiment, the first base layer 100a, the first barrier layer 100b, the second base layer 100c, and the second barrier layer 100d may be sequentially stacked in a thickness direction of the substrate 100.

[0057] At least one of the first base layer 100a and the second base layer 100c may include a polymer resin such as polyethersulfone, polyarylate, polyetherimide, polyethylene naphthalate, polyethylene terephthalate, polyphenylene sulfide, polyimide, polycarbonate, cellulose triacetate, cellulose acetate propionate, or the like.

[0058] The first barrier layer 100b and the second barrier layer 100d may prevent penetration of external impurities and may have a silicon nitride (SiN x ), silicon oxide (SiO x ) and / or silicon oxynitride (SiO x N y ) single-layer or multi-layer structure.

[0059] The buffer layer 111 may be disposed on the substrate 100. The buffer layer 111 may include a SiN x 、SiO x N y and SiO x and may have a single-layer or multi-layer structure including the above-mentioned inorganic insulating material.

[0060] The inorganic insulating layer IIL may be disposed on the buffer layer 111. The inorganic insulating layer IIL may include a first inorganic insulating layer 112, a second inorganic insulating layer 113, and a third inorganic insulating layer 114.

[0061] The sub-pixel circuit PC may be arranged in the display area DA. The sub-pixel circuit PC may include a thin film transistor TFT and a storage capacitor Cst. The thin film transistor TFT may include a semiconductor layer Act, a gate electrode GE, a source electrode SE, and a drain electrode DE.

[0062] The semiconductor layer Act may be disposed on the buffer layer 111. The semiconductor layer Act may include polycrystalline silicon. Alternatively, the semiconductor layer Act may include amorphous silicon, an oxide semiconductor, or an organic semiconductor. The semiconductor layer Act may include a channel region and a drain region and a source region respectively disposed on both sides of the channel region.

[0063] The gate electrode GE may be disposed on the semiconductor layer Act. The gate electrode GE may overlap with the channel region. The gate electrode GE may include a low-resistance metal material. The gate electrode GE may include a conductive material including molybdenum (Mo), aluminum (Al), copper (Cu), titanium (Ti), etc., and may have a single layer or a multilayer structure layer including the above conductive material.

[0064] The first inorganic insulating layer 112 may be disposed between the semiconductor layer Act and the gate electrode GE. The first inorganic insulating layer 112 may include an inorganic insulating material such as SiO x 、SiN x 、SiO x N y 、Alumina (Al 2 O 3 ), titanium oxide (TiO 2 ), Tantalum Oxide (Ta 2 O 5 ), hafnium oxide (HfO 2 ) or zinc oxide (ZnO x ) (Among them, zinc oxide (ZnO x ) can be zinc oxide (ZnO) and / or zinc peroxide (ZnO 2 )).

[0065] The second inorganic insulating layer 113 may be disposed on the gate electrode GE. The second inorganic insulating layer 113 may cover the gate electrode GE. The second inorganic insulating layer 113 may include an inorganic insulating material such as SiO x 、SiN x 、SiO x N y 、Al 2 O 3 、TiO 2 、 2 O 5 , HfO 2 or ZnO x (Among them, zinc oxide (ZnOx ) can be zinc oxide (ZnO) and / or zinc peroxide (ZnO 2 )).

[0066] The upper electrode CE2 of the storage capacitor Cst may be disposed on the second inorganic insulating layer 113. The upper electrode CE2 may overlap the gate electrode GE disposed below the upper electrode CE2. In this case, the gate electrode GE and the upper electrode CE2 overlapping each other with the second inorganic insulating layer 113 therebetween may form the storage capacitor Cst. That is, the gate electrode GE may serve as the lower electrode CE1 of the storage capacitor Cst.

[0067] As described above, the storage capacitor Cst may overlap with the thin film transistor TFT. However, the present disclosure is not limited thereto. For example, the storage capacitor Cst may not overlap with the thin film transistor TFT. That is, the lower electrode CE1 of the storage capacitor Cst, which is a component separated from the gate electrode GE of the thin film transistor TFT, may be separated from the gate electrode GE of the thin film transistor TFT.

[0068] The upper electrode CE2 may include aluminum (Al), platinum (Pt), palladium (Pd), silver (Ag), magnesium (Mg), gold (Au), nickel (Ni), neodymium (Nd), iridium (Ir), chromium (Cr), calcium (Ca), molybdenum (Mo), titanium (Ti), tungsten (W) and / or copper (Cu), and may have a single-layer or multi-layer structure including the above materials.

[0069] The third inorganic insulating layer 114 may be disposed on the upper electrode CE2. The third inorganic insulating layer 114 may cover the upper electrode CE2. The third inorganic insulating layer 114 may include an inorganic insulating material such as SiO x 、SiN x 、SiO x N y 、Al 2 O 3 、TiO 2 、 2 O 5 , HfO 2 or ZnO x (Among them, zinc oxide (ZnO x ) can be zinc oxide (ZnO) and / or zinc peroxide (ZnO 2 )). The third inorganic insulating layer 114 may have a single-layer or multi-layer structure including the above-mentioned inorganic insulating material.

[0070] The drain electrode DE and the source electrode SE may each be disposed on the third inorganic insulating layer 114. The drain electrode DE and the source electrode SE may each be connected to the semiconductor layer Act through a contact hole included in the first inorganic insulating layer 112, the second inorganic insulating layer 113, and the third inorganic insulating layer 114. The drain electrode DE and the source electrode SE may include a material having high conductivity. The drain electrode DE and the source electrode SE may include a conductive material including Mo, Al, Cu, Ti, etc., and have a single layer or multilayer structure including the above materials. For example, the drain electrode DE and the source electrode SE may have a multilayer structure of Ti / Al / Ti.

[0071] The organic insulating layer OIL may be disposed on the inorganic insulating layer IIL. The organic insulating layer OIL may include a first organic insulating layer 115 and a second organic insulating layer 116. Figure 6 It is shown that two organic insulating layers OIL are provided, but the present disclosure is not limited thereto. The number of the organic insulating layers OIL may be three or four.

[0072] The first organic insulating layer 115 may cover the drain electrode DE and the source electrode SE. The first organic insulating layer 115 may include an organic insulating material (such as a general polymer such as polystyrene (PS), a polymer derivative having a phenolic group, polymethyl methacrylate (PMMA), an acrylic polymer, an imide polymer, an aromatic ether polymer, an amide polymer, a fluorine polymer, a paraxylene polymer, a vinyl alcohol polymer, and a mixture thereof).

[0073] The connection electrode CM may be disposed on the first organic insulating layer 115. In this case, the connection electrode CM may be connected to the drain electrode DE or the source electrode SE through the contact hole of the first organic insulating layer 115. The connection electrode CM may include a material having good electrical conductivity. The connection electrode CM may include a conductive material including Mo, Al, Cu, Ti, etc., and may have a single-layer or multi-layer structure including the above conductive materials. For example, the connection electrode CM may have a multi-layer structure of Ti / Al / Ti.

[0074] The second organic insulating layer 116 may be disposed on the connection electrode CM. The second organic insulating layer 116 may cover the connection electrode CM. The second organic insulating layer 116 may include the same material as or a different material from the first organic insulating layer 115.

[0075] A light emitting diode may be disposed on the second organic insulating layer 116. For example, an organic light emitting diode OLED may be disposed on the second organic insulating layer 116. Alternatively, although not shown, an inorganic light emitting diode may be disposed on the second organic insulating layer 116.

[0076] The organic light emitting diode OLED may emit red, green or blue light, or may emit red, green, blue or white light. The organic light emitting diode OLED may include a sub-pixel electrode 211 , an emission layer 212 b , a functional layer 212 f , an opposing electrode 213 and a capping layer 215 .

[0077] The sub-pixel electrode 211 may be disposed on the second organic insulating layer 116. The sub-pixel electrode 211 may be electrically connected to the connection electrode CM through a contact hole of the second organic insulating layer 116. The sub-pixel electrode 221 may include a conductive oxide such as indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium oxide (In 2 O 3 ), indium gallium oxide (IGO) or aluminum zinc oxide (AZO). According to an embodiment, the sub-pixel electrode 211 may include a reflective layer including Ag, Mg, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr or a compound thereof. In an embodiment, the sub-pixel electrode 211 may also include a reflective layer including ITO, IZO, ZnO or In above / below the reflective layer. 2 O 3 For example, the sub-pixel electrode 211 may have a multi-layer structure of ITO / Ag / ITO.

[0078] A pixel defining layer 118 including an opening exposing at least a portion of the subpixel electrode 211 may be disposed on the subpixel electrode 211. An emission region of light emitted from the organic light emitting diode OLED may be defined by the opening defined in the pixel defining layer 118. For example, the width of the opening may correspond to the width of the emission region.

[0079] The pixel defining layer 118 may include an organic insulating material. The pixel defining layer 118 may include an inorganic insulating material, such as SiN x 、SiO x N y or SiO x . Alternatively, the pixel defining layer 118 may include an organic insulating material and an inorganic insulating material. In an embodiment, the pixel defining layer 118 may include a light blocking material. The light blocking material may include a resin or paste containing carbon black, carbon nanotubes, or a black dye, metal particles such as Ni, Al, Mo, and alloys thereof, metal oxide particles (e.g., chromium oxide), or metal nitride particles (e.g., chromium nitride). When the pixel defining layer 118 includes a light blocking material, external light reflected by a metal structure disposed below the pixel defining layer 118 may be reduced.

[0080] The spacer 119 may be disposed on the pixel defining layer 118. The spacer 119 may include an organic insulating material such as polyimide. Alternatively, the spacer 119 may include an organic insulating material such as SiNx or SiO x of inorganic insulating materials, or may include organic insulating materials and inorganic insulating materials.

[0081] In an embodiment, the spacer 119 may include the same material as the pixel defining layer 118. For example, the pixel defining layer 118 and the spacer 217 may be formed together by a mask process using a half-tone mask, etc. Alternatively, the spacer 119 and the pixel defining layer 118 may include other materials.

[0082] The emission layer 212b may be disposed on the opening of the pixel defining layer 118. The emission layer 212b may include a high molecular weight or low molecular weight organic material that emits a predetermined color of light.

[0083] The functional layer 212f may include a first functional layer 212a and a second functional layer 212c. The first functional layer 212a may be arranged between the sub-pixel electrode 211 and the emission layer 212b, and the second functional layer 212c may be arranged between the emission layer 212b and the counter electrode 213. However, at least one of the first functional layer 212a and the second functional layer 212c may be omitted. Hereinafter, the case where the first functional layer 212a and the second functional layer 212c are provided will be described in detail separately.

[0084] The first functional layer 212a may include a hole transport layer (HTL) and / or a hole injection layer (HIL). The second functional layer 212c may include an electron transport layer (ETL) and / or an electron injection layer (EIL). The first functional layer 212a and / or the second functional layer 212c may be a common layer formed to cover the entire substrate 100 in the same manner as the counter electrode 213 described later.

[0085] The counter electrode 213 may be disposed on the functional layer 212f. The counter electrode 213 may include a conductive material having a low work function. For example, the counter electrode 213 may include a transparent (or semi-transmissive and semi-reflective) layer containing Mg, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, or an alloy thereof. Alternatively, the counter electrode 213 may also include a conductive material such as ITO, IZO, ZnO, or Indium on the transparent (or semi-transmissive and semi-reflective) layer containing the above materials. 2 O 3 layer.

[0086] In an embodiment, the capping layer 215 may be disposed on the counter electrode 213. The capping layer 215 may include LiF, an inorganic material, or / and an organic material.

[0087] The encapsulation layer 300 may be disposed on the organic light emitting diode OLED. The encapsulation layer 300 may cover the organic light emitting diode OLED. The encapsulation layer 300 may be disposed on the counter electrode 213 and / or the capping layer 215. In an embodiment, the encapsulation layer 300 may include at least one inorganic film layer and at least one organic film layer. Figure 6 It is shown that the encapsulation layer 300 includes a first inorganic encapsulation layer 310 , an organic encapsulation layer 320 , and a second inorganic encapsulation layer 330 , which are sequentially stacked.

[0088] The first inorganic encapsulating layer 310 and the second inorganic encapsulating layer 330 may each include Al 2 O 3 、TiO 2 、 2 O 5 , HfO 2 、ZrO 2 、SiO x 、SiN x and SiO x N y The first inorganic encapsulation layer 310 and the second inorganic encapsulation layer 330 may have a single layer or a multilayer structure including the above materials. The organic encapsulation layer 320 may include a polymer material. Examples of polymer materials may include acrylic resins, epoxy resins, polyimide, and polyethylene. In an embodiment, the organic encapsulation layer 320 may include acrylate.

[0089] The touch sensor layer 400 may be disposed on the encapsulation layer 300. The touch sensor layer 400 may include a first touch insulating layer 410, a second touch insulating layer 420, a first conductive layer 430, a third touch insulating layer 440, a second conductive layer 450, and a planarization layer 460.

[0090] In an embodiment, the first touch insulating layer 410 may be disposed on the second inorganic encapsulation layer 330, and the second touch insulating layer 420 may be disposed on the first touch insulating layer 410. In an embodiment, the first touch insulating layer 410 and the second touch insulating layer 420 may include an inorganic insulating material and / or an organic insulating material. For example, the first touch insulating layer 410 and the second touch insulating layer 420 may include an inorganic insulating material such as SiO x 、SiN x and / or SiO x N y .

[0091] In an embodiment, at least one of the first touch insulating layer 410 and the second touch insulating layer 420 may be omitted. For example, the first touch insulating layer 410 may be omitted. In this case, the second touch insulating layer 420 may be disposed on the second inorganic encapsulation layer 330, and the first conductive layer 430 may be disposed on the second touch insulating layer 420.

[0092] The first conductive layer 430 may be disposed on the second touch insulating layer 420, and the third touch insulating layer 440 may be disposed on the first conductive layer 430. In an embodiment, the third touch insulating layer 440 may include an inorganic insulating material and / or an organic insulating material. For example, the third touch insulating layer 440 may include an inorganic insulating material such as SiO x 、SiN x and / or SiO x N y .

[0093] The second conductive layer 450 may be disposed on the third touch insulating layer 440. The touch electrode TE of the touch sensor layer 400 may have a structure in which the first conductive layer 430 and the second conductive layer 450 are connected to each other. Alternatively, the touch electrode TE may be formed in any one of the first conductive layer 430 and the second conductive layer 450, and may include a metal wire contained in the corresponding conductive layer. The first conductive layer 430 and the second conductive layer 450 may each include at least one of Al, Cu, Ti, MO, and ITO, and may have a single-layer or multi-layer structure including the above materials. For example, the first conductive layer 430 and the second conductive layer 450 may each have a three-layer structure of Ti / Al / Ti.

[0094] In an embodiment, the planarization layer 460 may cover the second conductive layer 450. The planarization layer 460 may include an organic insulating material.

[0095] Figure 3 is an equivalent circuit diagram schematically illustrating a sub-pixel circuit electrically connected to a sub-pixel according to an embodiment.

[0096] Reference Figure 3 , also refer to Figure 2 , the sub-pixel may emit light through the organic light emitting diode OLED, and the organic light emitting diode OLED may be electrically connected to the sub-pixel circuit PC.

[0097] The sub-pixel circuit PC may include a first transistor T1, a second transistor T2, a third transistor T3, a fourth transistor T4, a fifth transistor T5, a sixth transistor T6, a seventh transistor T7, and a storage capacitor Cst.

[0098] The first transistor T1 may be a driving thin film transistor, may be connected to the driving voltage line PL and the storage capacitor Cst, and may be configured to control a driving current flowing from the driving voltage line PL through the organic light emitting diode OLED according to a voltage value stored in the storage capacitor Cst. The organic light emitting diode OLED may emit light having a specific brightness according to the driving current. A second electrode (e.g., a cathode) of the organic light emitting diode OLED may receive a common voltage ELVSS.

[0099] The second transistor T2 may be a switching thin film transistor, may be connected to the signal line SL and the data line DL, and may transmit the data voltage (or data signal Dm) input from the data line DL to the first transistor T1 based on the scan signal (or scan voltage, switch voltage, or switch signal Sn) input from the signal line SL. Herein, the signal lines SL-1, SL, and SL+1 may also be referred to as scan lines SL-1, SL, and SL+1.

[0100] The storage capacitor Cst may be connected to the driving voltage line PL and the first transistor T1. One electrode of the storage capacitor Cst may be connected to the driving voltage line PL, and the other electrode of the storage capacitor Cst may be connected to the gate of the first transistor T1 (herein, the gate electrode may also be referred to as the gate, the source electrode may also be referred to as the source, and the drain electrode may also be referred to as the drain). The storage capacitor Cst may store the difference between the first driving voltage ELVDD and the gate voltage of the first transistor T1, wherein the gate voltage is applied to the driving voltage line PL, and may maintain the gate voltage of the first transistor T1.

[0101] The third transistor T3 may be a compensation thin film transistor, and the gate electrode of the third transistor T3 may be connected to the signal line SL. The source electrode (or drain electrode) of the third transistor T3 may be connected to the drain electrode (or source electrode) of the first transistor T1, and may be connected to the first electrode (e.g., anode) of the organic light emitting diode OLED via the sixth transistor T6. The drain (or source) of the third transistor T3 may be connected to the other electrode of the storage capacitor Cst, the source (or drain) of the fourth transistor T4, and the gate of the first transistor T1. The third transistor T3 is turned on according to the scan signal Sn received through the signal line SL to connect the gate and drain of the first transistor T1 to each other, so that the first transistor T1 is diode-connected.

[0102] The fourth transistor T4 may be an initialization thin film transistor, and the gate of the fourth transistor T4 may be connected to the previous scan line SL-1. The drain (or source) of the fourth transistor T4 may be connected to the initialization voltage line VL. The source (or drain) of the fourth transistor T4 may be connected to the other electrode of the storage capacitor Cst, the drain (or source) of the third transistor T3, and the gate of the first transistor T1. The fourth transistor T4 may be turned on in response to the previous scan signal Sn-1 received through the previous scan line SL-1, and perform an initialization operation of transmitting the initialization voltage Vint to the gate of the first transistor T1 to initialize the voltage of the gate of the first transistor T1.

[0103] The fifth transistor T5 may be an operation control thin film transistor, and the gate of the fifth transistor T5 may be connected to the emission control line EL. The source (or drain) of the fifth transistor T5 may be connected to the driving voltage line PL. The drain (or source) of the fifth transistor T5 may be connected to the source (or drain) of the first transistor T1 and the drain (or source) of the second transistor T2.

[0104] The sixth transistor T6 may be an emission control thin film transistor, and the gate electrode of the sixth transistor T6 may be connected to the emission control line EL. The source (or drain) of the sixth transistor T6 may be connected to the drain (or source) of the first transistor T1 and the source (or drain) of the third transistor T3. The drain (or source) of the sixth transistor T6 may be electrically connected to the first electrode of the organic light emitting diode OLED. The fifth transistor T5 and the sixth transistor T6 may be turned on simultaneously in response to the emission control signal En received through the emission control line EL, so that the driving voltage ELVDD is applied to the organic light emitting diode OLED, and the driving current flows in the organic light emitting diode OLED.

[0105] The seventh transistor T7 may be an initialization thin film transistor that initializes the first electrode of the organic light emitting diode OLED. The gate of the seventh transistor T7 may be connected to the next signal line SL+1. The source (or drain) of the seventh transistor T7 may be connected to the first electrode of the organic light emitting diode OLED. The drain (or source) of the seventh transistor T7 may be connected to the initialization voltage line VL. The seventh transistor T7 may be turned on in response to the next scan signal Sn+1 received through the next scan line SL+1, so that the first electrode of the organic light emitting diode OLED is initialized.

[0106] although Figure 3 The fourth transistor T4 and the seventh transistor T7 are shown to be connected to the previous scan line SL-1 and the next scan line SL+1, respectively, but both the fourth transistor T4 and the seventh transistor T7 may be connected to the previous scan line SL-1 to be driven in response to the previous scan signal Sn-1.

[0107] An electrode of the storage capacitor Cst may be connected to the driving voltage line PL. Another electrode of the storage capacitor Cst may be connected to the gate of the first transistor T1, the drain (or source) of the third transistor T3, and the source (or drain) of the fourth transistor T4.

[0108] The second electrode of the organic light emitting diode OLED may receive the common voltage ELVSS. The organic light emitting diode OLED may emit light by receiving the driving current from the first transistor T1.

[0109] In an embodiment, the plurality of transistors T1 to T7 may include a semiconductor layer including silicon. However, the present disclosure is not limited thereto.

[0110] In an embodiment, at least one of the plurality of transistors T1 to T7 may include a semiconductor layer including oxide, and the remaining transistors may include a semiconductor layer including silicon. Specifically, the first transistor T1 directly affecting the brightness of the display panel 10 may include a silicon semiconductor including polycrystalline silicon with high reliability, thereby realizing a high-resolution display panel 10.

[0111] Since oxide semiconductors have high carrier mobility and low leakage current, the voltage drop is not large even when the driving time is long. That is, since the color change of the image according to the voltage drop is not obvious even during low-frequency operation, the display device can operate at a low frequency. As described above, since the leakage current of the oxide semiconductor is low, at least one of the third transistor T3 and the fourth transistor T4 connected to the gate of the first transistor T1 can be used as an oxide semiconductor to prevent leakage current that may flow to the gate of the first transistor T1 and reduce power consumption. In this case, the signal line and / or the voltage line can be added to Figure 3 The sub-pixel circuit PC of FIG. 1 may include a semiconductor layer including an oxide. For example, the seventh transistor T7 may include a semiconductor layer including an oxide semiconductor.

[0112] Figures 4 to 6 Each schematically shows a plan view of a display device including a sensing area according to an embodiment.

[0113] Reference Figure 4 , touch sensor layer 400 (refer to Figure 2 ) of the first conductive layer 430 (refer to Figure 2 ) and a second conductive layer 450 (refer to Figure 2 ) may be arranged in the sensing area SA, wherein the sensing area SA detects an input or touch from the outside. The sensing area SA may be aligned with the display area DA (refer to Figure 1) overlap. The sensing area SA may include a plurality of first sensor electrodes 40 and first sensor electrode rows 41 extending in a first direction (e.g., the x direction or the -x direction). The first sensor electrode rows 41 may include a plurality of first sensor electrodes 40 arranged in the first direction (e.g., the x direction or the -x direction). The plurality of first sensor electrode rows 41 may be separated from each other in a second direction (e.g., the y direction or the -y direction). In other words, the plurality of first sensor electrode rows 41 may be arranged in the second direction (e.g., the y direction or the -y direction).

[0114] In an embodiment, a plurality of second sensor electrode rows 51 extending in the second direction (e.g., the y direction or the -y direction) may be arranged in the sensing area SA. The second sensor electrode rows 51 may extend along the second direction (e.g., the y direction or the -y direction). The plurality of second sensor electrode rows 51 may be arranged in the first direction (e.g., the x direction or the -x direction).

[0115] The first sensor electrode row 41 may include a plurality of first sensor electrodes 40. The plurality of first sensor electrodes 40 may be connected to each other through a bridge line B. The bridge line B may include a first bridge line B1 and a second bridge line B2. However, the present disclosure is not limited thereto. The plurality of first sensor electrodes 40 may be connected to each other through a single bridge line B.

[0116] In an embodiment, the width of the second sensor electrode row 51 extending in the second direction (e.g., the y direction or the -y direction) in the first direction (e.g., the x direction or the -x direction) may not be constant. In an embodiment, at least a portion of the second sensor electrode row 51 disposed between adjacent first sensor electrode rows 41 may include a first portion 11 and a second portion 12. The width w1 of the first portion 11 in the first direction (e.g., the x direction or the -x direction) may be greater than the width w2 of the second portion 12 in the first direction (e.g., the x direction or the -x direction). In the second sensor electrode row 51, the first portion 11 and the second portion 12 may be alternately arranged in the second direction (e.g., the y direction or the -y direction). In other words, the second sensor electrode row 51 may include a plurality of first portions 11 and a plurality of second portions 12 that are alternately arranged.

[0117] although Figure 4 It is not shown that the first sensor electrode rows 41 and the second sensor electrode rows 51 are connected to the pads 61, but the first sensor electrode rows 41 and the second sensor electrode rows 51 may be connected to the pads 61. The same applies to the following drawings.

[0118] Reference Figure 5 and Figure 6, the second sensor electrode row 51 may include a second-1 sensor electrode row 51a and a second-2 sensor electrode row 51b. The second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be arranged in a second direction (e.g., the y direction or the -y direction). The second-1 sensor electrode row 51a may be farther away from the pad unit 60 than the second-2 sensor electrode row 51b is away from the pad unit 60. The second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be directly connected to the pad 61.

[0119] The pad unit 60 includes a plurality of pads 61 connected to the first sensor electrode rows 41 and the second sensor electrode rows 51. The pad unit 60 is connected to a driving circuit such as a touch integrated circuit (IC) for driving the first sensor electrode rows 41 and the second sensor electrode rows 51. Various signals for driving the first sensor electrode rows 41 and the second sensor electrode rows 51 are transmitted and received through the pad unit 60.

[0120] The second sensor electrode row 51 can be divided into a second-1 sensor electrode row 51a and a second-2 sensor electrode row 51b, so that the second-1 sensor electrode row 51a is directly connected to the pad 61 through wiring, and the second-1 sensor electrode row 51a is farther away from the pad 61 than the second-2 sensor electrode row 51b is away from the pad 61. Therefore, in the process of receiving a signal from the pad 61, the second-1 sensor electrode row 51a can be prevented from having a higher resistance and a larger signal delay than the second-2 sensor electrode row 51b. However, the present disclosure is not limited to this. In addition to being divided into two electrodes, the second sensor electrode row 51 can also be divided into three or more sensor electrodes.

[0121] The second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be connected to a single pad 61 arranged in the pad unit 60. The second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be connected to a single pad 61 and may be connected to each other through a switching transistor at the same time. In addition, the second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be connected to two pads 61 arranged in the pad unit 60, respectively. However, the present disclosure is not limited thereto.

[0122] The first sensor electrode rows 41 adjacent to each other may be connected to the pads 61 of the pad unit 60 after being connected to each other. However, the present disclosure is not limited thereto. The first sensor electrode rows 41 adjacent to each other may be individually connected to the pads 61 .

[0123] Figure 7 and Figure 8 Each schematically shows a flow chart according to an embodiment Figure 5A cross-sectional view of the display device taken along line II-II'.

[0124] First, according to Figure 5 , the second-1 sensor electrode row 51a may be connected to the pad 61 of the pad unit 60 through the channel line 70. The channel line 70 connected to the second-1 sensor electrode row 51a may cross the bridge line B connecting the plurality of first sensor electrodes 40 arranged between the second-1 sensor electrode row 51a and the pad unit 60.

[0125] Reference Figure 7 and Figure 8 , also refer to Figure 5 , the first sensor electrodes 40, the first sensor electrode rows 41, and the second sensor electrode rows 51 may be arranged in the second conductive layer 450. The first bridge wires B1 and the second bridge wires B2 may be arranged in a layer different from the first sensor electrodes 40, the first sensor electrode rows 41, and the second sensor electrode rows 51. Specifically, the first bridge wires B1 and the second bridge wires B2 may be arranged in the first conductive layer 430. The portion of the channel wire 70 crossing the first bridge wires B1 and the second bridge wires B2 may be arranged in a second conductive layer 450 different from the first conductive layer 430 in which the first bridge wires B1 and the second bridge wires B2 are arranged.

[0126] In an embodiment, Figure 7 As shown in FIG. 4 , the channel wire 70 may include a first channel wire 71, a second channel wire 72, and a third channel wire 73. The first channel wire 71 and the third channel wire 73 may be arranged in the first conductive layer 430. The second channel wire 72 of the channel wire 70 crossing the first bridge wire B1 and the second bridge wire B2 may be arranged in a second conductive layer 450 different from the first conductive layer 430 in which the first bridge wire B1 and the second bridge wire B2 are arranged.

[0127] In an embodiment, Figure 8 As shown in FIG. 4 , the channel wires 70 may include a fourth channel wire 74, a fifth channel wire 75, a sixth channel wire 76, a seventh channel wire 77, and an eighth channel wire 78. The fourth channel wire 74, the sixth channel wire 76, and the eighth channel wire 78 may be arranged in the first conductive layer 430. Among the channel wires 70, the fifth channel wire 75 and the seventh channel wire 77 crossing the first bridge wire B1 and the second bridge wire B2 may be arranged in the second conductive layer 450.

[0128] Figures 9 to 11 Each schematically shows a plan view of a display device including a sensing area according to an embodiment.

[0129] Reference Fig. 9 and Fig.10, the second sensor electrode row 51 may include a third portion 13 and a fourth portion 14. Fig. 9 As shown in , the third portion 13 and the fourth portion 14 may include at least a portion of two adjacent first sensor electrode rows 41. However, the present disclosure is not limited thereto. Fig.10 As shown in , the third portion 13 and the fourth portion 14 may include at least a portion of a single first sensor electrode row 41 .

[0130] The width w3 of the third portion 13 in the first direction (eg, x direction or -x direction) may continuously increase toward the pad unit 60. The width w4 of the fourth portion 14 in the first direction (eg, x direction or -x direction) may continuously decrease toward the pad unit 60. However, the present disclosure is not limited thereto.

[0131] The third portions 13 and the fourth portions 14 may be alternately arranged in the second direction (eg, the y direction or the −y direction).The second sensor electrode row 51 may include a plurality of third portions 13 and a plurality of fourth portions 14 alternately arranged.

[0132] Reference Fig.11 , the second sensor electrode row 51 may include a second-1 sensor electrode row 51a and a second-2 sensor electrode row 51b. The second-1 sensor electrode row 51a is closer to the pad unit 60 than the second-2 sensor electrode row 51b is to the pad unit 60. Each of the second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may include third portions 13 and fourth portions 14 that are alternately arranged.

[0133] The second sensor electrode row 51 can be divided into a second-1 sensor electrode row 51a and a second-2 sensor electrode row 51b, so that the second-1 sensor electrode row 51a is directly connected to the pad 61 through wiring, and the second-1 sensor electrode row 51a is farther away from the pad unit 61 than the second-2 sensor electrode row 51b is away from the pad unit 61. Therefore, in the process of receiving a signal from the pad 61, the second-1 sensor electrode row 51a can be prevented from having a higher resistance and a larger signal delay than the second-2 sensor electrode row 51b. However, the present disclosure is not limited to this. In addition to being divided into two sensor electrode rows, the second sensor electrode row 51 can also be divided into three or more sensor electrode rows.

[0134] Each of the second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be connected to a single pad 61 arranged in the pad unit 60. The second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be connected to a single pad 61, and at the same time may be connected to each other through a switching transistor. In addition, the second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be connected to two pads 61 arranged in the pad unit 60, respectively. However, the present disclosure is not limited thereto.

[0135] Figure 12 to Figure 14 Each schematically shows a plan view of a display device including a sensing area according to an embodiment.

[0136] Reference Fig.12 and Fig.13 , the first edge 91 forming the shape of the second sensor electrode row 51 may extend in the second direction (eg, the y direction or the −y direction). The first edge 91 may include a first boundary line 81 and a second boundary line 82. Fig.12 As shown in , the first boundary line 81 and the second boundary line 82 may each cross a single first sensor electrode row 41. However, the present disclosure is not limited thereto. Fig.13 As shown in FIG. 8 , the first boundary line 81 and the second boundary line 82 may cross two adjacent first sensor electrode rows 41 , respectively.

[0137] The first boundary line 81 included in the first edge 91 may be an oblique line having a positive inclination. In addition, the second boundary line 82 may be an oblique line having a negative inclination. However, the present disclosure is not limited thereto.

[0138] The first boundary lines 81 and the second boundary lines 82 may be alternately arranged in the second direction (e.g., the y direction or the -y direction). The first edge 91 of the second sensor electrode row 51 extending in the second direction (e.g., the y direction or the -y direction) may include a plurality of first boundary lines 81 and a plurality of second boundary lines 82 alternately arranged.

[0139] like Fig.13 As shown in , the second sensor electrode row 51 may include a second-1 sensor electrode row 51a and a second-2 sensor electrode row 51b. The second-2 sensor electrode row 51b may be closer to the pad unit 60 than the second-1 sensor electrode row 51a is to the pad unit 60. The first edge 91 of the second-1 sensor electrode row 51a and the first edge 91 of the second-2 sensor electrode row 51b may each include a first boundary line 81 and a second boundary line 82 that are alternately arranged.

[0140] The second sensor electrode row 51 can be divided into a second-1 sensor electrode row 51a and a second-2 sensor electrode row 51b, so that the second-1 sensor electrode row 51a is directly connected to the pad 61 through wiring, and the second-1 sensor electrode row 51a is farther away from the pad unit 61 than the second-2 sensor electrode row 51b is away from the pad unit 61. Therefore, in the process of receiving a signal from the pad 61, the second-1 sensor electrode row 51a can be prevented from having a higher resistance and a larger signal delay than the second-2 sensor electrode row 51b. However, the present disclosure is not limited to this. In addition to being divided into two electrodes, the second sensor electrode row 51 can also be divided into three or more sensor electrodes.

[0141] Each of the second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be connected to a single pad 61 arranged in the pad unit 60. The second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be connected to a single pad 61, and at the same time may be connected to each other through a switching transistor. In addition, the second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may be connected to two pads 61 arranged in the pad unit 60, respectively. However, the present disclosure is not limited thereto.

[0142] Reference Fig.14 , the second edge 92 arranged on the other side of the first edge 91 of the second sensor electrode row 51 and extending in the second direction (e.g., the y direction or the -y direction) may be a straight line. In addition, the second sensor electrode row 51 may be divided into a second-1 sensor electrode row 51a and a second-2 sensor electrode row 51b. However, the present disclosure is not limited thereto. In addition to being divided into two sensor electrode rows, the second sensor electrode row 51 may also be divided into three or more sensor electrode rows.

[0143] When the second sensor electrode row 51 includes the second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b, each of the second-1 sensor electrode row 51a and the second-2 sensor electrode row 51b may include a first edge 91 including the first boundary line 81 and the second boundary line 82 and a second edge 92 provided as a straight line.

[0144] Fig.15 and Fig.16 Each schematically shows a plan view of a display device including a sensing area according to an embodiment.

[0145] Reference Fig.15 , also refer to Figure 4 and Fig. 9, the third edge 93 forming the shape of the second sensor electrode row 51 and extending in the second direction (e.g., the y direction or the -y direction) may be an oblique line having a positive inclination or a negative inclination. The fourth edge 94 arranged on the other side of the third edge 93 and extending in the second direction (e.g., the y direction or the -y direction) may be an oblique line having a positive inclination. The third edge 93 and the fourth edge 94 may be alternately arranged in the first direction (e.g., the x direction or the -x direction).

[0146] Reference Fig.16 , the fifth edge 95 forming the shape of the second sensor electrode row 51 and extending in the second direction (e.g., the y direction or the -y direction) may be an inclined line having a positive or negative inclination. The sixth edge 96 arranged on the other side of the fifth edge 95 and extending in the second direction (e.g., the y direction or the -y direction) may be a straight line.

[0147] In an embodiment, the first sensor electrode row 41 may include a plurality of first sensor electrodes 40 and may extend in a first direction (e.g., the x direction or the -x direction), and the second sensor electrode row 51 may extend in a second direction (e.g., the y direction or the -y direction). The second sensor electrode row 51 may extend in the second direction (e.g., the y direction or the -y direction) and may form a boundary of various shapes with an adjacent second sensor electrode row. In other words, the second sensor electrode row 51 may extend in the second direction (e.g., the y direction or the -y direction) and may be formed in various shapes.

[0148] Specifically, the width of the second sensor electrode row 51 in the first direction (e.g., the x direction or the -x direction) may not be constant. For example, the second sensor electrode row 51 may include the first portion 11 and the second portion 12, or may include the third portion 13 and the fourth portion 14 whose widths are continuously increased or decreased. In addition, the edge of the second sensor electrode row 51 may be an inclined line with a positive or negative inclination, or may be a straight line.

[0149] In some embodiments, in a state where first sensor electrode row 41 extends in a first direction (e.g., x direction or -x direction) and second sensor electrode row 51 extends in a second direction (e.g., y direction or -y direction) in various shapes, when a small area stimulus such as a pen is input during movement toward the right, the capacitor between first sensor electrode row 41 and the pen may remain constant, and when the pen is moved, the capacitor between second sensor electrode row 51 and the pen may change slightly. Therefore, the position or inclination of the pen may be easily determined, and the input or touch of the pen may be effectively detected, thereby improving the reliability and quality of the touch sensor of the display device.

[0150] According to the above-described embodiments, a display device with improved reliability and quality can be realized. However, the scope of the present disclosure is not limited by these effects.

[0151] It should be understood that the embodiments described herein should be considered to be merely descriptive and not for limiting purposes. The description of features or aspects in each embodiment should generally be considered to be applicable to other similar features or aspects in other embodiments. Although one or more embodiments have been described with reference to the accompanying drawings, it will be understood by those of ordinary skill in the art that various changes in form and detail may be made without departing from the spirit and scope defined by the appended claims.

Claims

1. A display device, wherein: The display device comprises: a first sensor electrode row arranged in the sensing area, the first sensor electrode row including a plurality of first sensor electrodes and extending in a first direction; and A second sensor electrode row is arranged in the sensing area, and the second sensor electrode row extends in a second direction intersecting the first direction, wherein: The width of the second sensor electrode row in the first direction is not constant.

2. The display device according to claim 1, wherein: First sensor electrodes adjacent to each other among the plurality of first sensor electrodes are connected to each other through a bridge line.

3. The display device according to claim 1, wherein: At least a portion of the second sensor electrode row disposed between adjacent first sensor electrode rows includes a first portion and a second portion, and A width of the first portion in the first direction is greater than a width of the second portion in the first direction.

4. The display device according to claim 2, wherein: The second sensor electrode rows include a second-1 sensor electrode row and a second-2 sensor electrode row, the second-2 sensor electrode row being closer to the pad unit than the second-1 sensor electrode row is to the pad unit.

5. The display device according to claim 1, wherein: The second sensor electrode row includes a third portion and a fourth portion, and Each of the third portion and the fourth portion includes at least a portion of one first sensor electrode row or at least a portion of two adjacent first sensor electrode rows.

6. The display device according to claim 5, wherein: The width of the third portion in the first direction continuously increases toward the driving unit.

7. The display device according to claim 6, wherein: A width of the fourth portion in the first direction continuously decreases toward the driving unit.

8. A display device, wherein: The display device comprises: a first sensor electrode row arranged in the sensing area, the first sensor electrode row including a plurality of first sensor electrodes and extending in a first direction; and A second sensor electrode row is arranged in the sensing area, and the second sensor electrode row extends in a second direction intersecting the first direction, wherein: The first edge of the second sensor electrode row includes a first boundary line and a second boundary line, and The first boundary line is an inclined line having a positive inclination, and the second boundary line is an inclined line having a negative inclination.

9. A display device, wherein: The display device comprises: a first sensor electrode row arranged in the sensing area, the first sensor electrode row including a plurality of first sensor electrodes and extending in a first direction; and A second sensor electrode row is arranged in the sensing area, and the second sensor electrode row extends in a second direction intersecting the first direction, wherein: The third edge of the second sensor electrode row is an inclined line having a positive inclination, and the fourth edge of the second sensor electrode row is an inclined line having a negative inclination.

10. A display device, wherein: The display device comprises: a first sensor electrode row arranged in the sensing area, the first sensor electrode row including a plurality of first sensor electrodes and extending in a first direction; and A second sensor electrode row is arranged in the sensing area, and the second sensor electrode row extends in a second direction intersecting the first direction, wherein: The fifth edge of the second sensor electrode row is an oblique line having a positive or negative inclination, and the sixth edge of the second sensor electrode row is a straight line.

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