Display device

Abstract

A display device according to an embodiment includes: a first display area including a first pixel area; the second display area comprises a second pixel area and a transmission area; the signal line is located in the second display area; the common electrode is located in the second display area; and the touch electrode is positioned in the second display area. The common electrode is provided with an opening overlapped with the transmission area, and the common electrode is located between the signal line and the touch electrode.

Description

[0001] This application is a divisional application of the Chinese patent application with application number 202011221348.5 filed on November 5, 2020 and invention name “Display Device”. Technical Field

[0002] The present invention relates to a display device, and in particular to a display device including a touch sensor. Background Art

[0003] A display device such as a light-emitting display device includes a display panel that provides a screen for displaying an image. The display device may include a touch sensor, and a touch electrode of the touch sensor may be provided on the display panel. That is, the display panel may be a touch screen panel.

[0004] The display device may include an optical device such as a sensor or a camera. The optical device may be arranged in a frame area (an area surrounding the screen) of the display device to avoid interference with the screen.

[0005] If the bezel of the display device is reduced, the screen-to-body ratio of the display device, that is, the ratio of the screen when the display device is viewed from the front, can be increased. The screen-to-body ratio reflects the technical level of the display device and plays an important role in consumers' product selection. However, as the bezel of the display device is reduced, it may be difficult to configure the optical device in the bezel area. Summary of the invention

[0006] It is possible to consider not configuring the optical device in the frame area, but configuring the optical device within the screen, that is, overlapping the screen. To this end, the display panel that provides the screen of the display device may include an area with high transmittance. In order to improve the transmittance, the layer or structure that may reduce the transmittance may be partially removed. In this case, the signal transmitted through each signal line of the display panel may affect the touch sensor, so that the sensitivity of the touch sensor may decrease.

[0007] Embodiments are provided to improve the performance of a touch sensor while configuring an optical device within a screen in a display device including the touch sensor and the optical device.

[0008] A display device according to an embodiment includes: a first display area including a first pixel area; a second display area including a second pixel area and a transmission area; a signal line located in the second display area; a common electrode located in the second display area; and a touch electrode located in the second display area. The common electrode has an opening overlapping the transmission area, and the common electrode is located between the signal line and the touch electrode.

[0009] The signal line may be a data line for transmitting a data signal, and the touch electrode may be in a grid form having openings overlapping with pixels located in the second pixel region.

[0010] It may be that a plurality of the second pixel regions and the transmission regions are provided respectively, the common electrode includes a first portion located at a boundary portion of each of the transmission regions adjacent to each other in the first direction, and the first portion of the common electrode overlaps the data line.

[0011] It may be that the touch electrode includes a plurality of touch electrode portions located at a plurality of the second pixel regions, and the plurality of touch electrode portions are electrically connected.

[0012] It may be that touch electrode portions adjacent to each other in the second direction among the plurality of touch electrode portions are electrically connected via a connection line overlapping the first portion of the common electrode.

[0013] The signal line may be a gate line for transmitting a gate signal.

[0014] The common electrode may include a second portion located at a boundary portion of each of the transmission regions adjacent to each other in the second direction, and the second portion of the common electrode overlaps with the gate line.

[0015] It may be that touch electrode portions adjacent to each other in the first direction among the plurality of touch electrode portions are electrically connected via a connection line overlapping the second portion of the common electrode.

[0016] It may be that the pixel density of the second display area is smaller than the pixel density of the first display area.

[0017] It may be that at least one pixel electrode is located in the second pixel region, and no pixel electrode is located in the transmission region.

[0018] It may be that the touch electrode is located in the second pixel region and does not overlap with the opening of the common electrode.

[0019] It may be that the display device further includes an optical device overlapping with the second display area.

[0020] A display device according to an embodiment includes: a display panel, the display panel including a first display area and a second display area, the first display area including a first pixel area, and the second display area including a second pixel area and a transmission area. In the second display area, the display panel includes: a first insulating layer; a gate line located on the first insulating layer; a second insulating layer located on the gate line; a data line located on the second insulating layer; a third insulating layer located on the data line; a pixel electrode located on the third insulating layer; a fourth insulating layer located on the third insulating layer and having an opening overlapping with the pixel electrode; a common electrode located on the fourth insulating layer, overlapping with the data line, and having an opening overlapping with the transmission area; an encapsulation layer located on the common electrode; and a touch electrode located on the encapsulation layer.

[0021] Alternatively, the common electrode extends along a side surface of the fourth insulating layer in the transmission region.

[0022] At least one of the third insulating layer and the fourth insulating layer may have an opening in the transmission region that overlaps with the opening of the common electrode.

[0023] It may be that a plurality of the second pixel regions and the transmission regions are provided respectively, the common electrode includes a portion located at a boundary portion of each of the transmission regions adjacent to each other in the first direction, and the portion of the common electrode overlaps the data line.

[0024] It may be that the touch electrode includes a plurality of touch electrode portions located at a plurality of the second pixel regions, and the plurality of touch electrode portions are electrically connected.

[0025] It may be that touch electrode portions adjacent to each other in the second direction among the plurality of touch electrode portions are electrically connected through a connection line overlapping the portion of the common electrode.

[0026] It may be that the pixel electrode is located in the second pixel area but not in the transmission area.

[0027] It may be that the touch electrode is located in the second pixel area and does not overlap with the opening of the common electrode.

[0028] (Effects of the Invention)

[0029] According to the embodiments, in a display device including a touch sensor and an optical device, the performance of the touch sensor can be improved by increasing the transmittance of a display area corresponding to the optical device and shielding noise that may flow into the touch sensor. In addition, according to the embodiments, there are beneficial effects that can be recognized throughout the specification even if not specifically mentioned. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic plan view of a display device according to an embodiment.

[0031] Figure 2 is a schematic cross-sectional view of a display device according to an embodiment.

[0032] Figure 3 and Figure 4 It is a schematic configuration diagram of a first display area and a second display area of ​​a display device involved in an embodiment.

[0033] Figure 5 yes Figure 4 Schematic enlargement of area A in FIG.

[0034] Figure 6 is Figure 5 A schematic cross-sectional view taken along line AA' in FIG.

[0035] Figure 7 is Figure 5 A schematic cross-sectional view taken along line BB' in FIG.

[0036] Figure 8 In a display device according to an embodiment, Figure 4 A schematic plan view of the area corresponding to region A.

[0037] Fig. 9 In a display device according to an embodiment, Figure 4 A schematic plan view of the area corresponding to region A.

[0038] Fig.10 FIG. 4 is a schematic configuration diagram of a second display area in a display device according to an embodiment.

[0039] Fig.11 is a circuit diagram of a pixel of a display device according to an embodiment.

[0040] Fig.12 The present invention is a diagram showing the arrangement of a display area in a display device according to an embodiment.

[0041] Fig.13 is Fig.12 A cross-sectional view of an embodiment taken along line CC' in FIG. DETAILED DESCRIPTION

[0042] Each embodiment is described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement it.

[0043] The size and thickness of each structure shown in the figure are arbitrarily shown for the convenience of description.

[0044] When a layer, film, region, plate or the like is located on or above another structure, it includes not only the case where it is directly located on the other structure, but also the case where there is another structure in between. Conversely, when a structure is directly located on another structure, it means that there is no other structure in between.

[0045] Throughout the specification, when a certain part includes a certain component, unless there is any particular description to the contrary, it means that other components may also be included.

[0046] In the drawings, symbols x, y and z are used to indicate directions, symbol x is a first direction, symbol y is a second direction perpendicular to the first direction, and symbol z is a third direction perpendicular to the first direction and the second direction.

[0047] Figure 1 is a schematic plan view of a display device 1 according to an embodiment. Figure 2 is a schematic cross-sectional view of a display device 1 according to an embodiment.

[0048] Reference Figure 1 and Figure 2 The display device 1 may include a display panel 10 , a flexible printed circuit film 20 connected to the display panel 10 , a driving device including an integrated circuit chip 30 , and an optical device 40 .

[0049] The display panel 10 displays an image and senses a touch. The display panel 10 may include a display area DA that displays an image and a non-display area NA that surrounds the display area DA and does not display an image. The display area DA may correspond to a screen.

[0050] A plurality of pixels PX may be arranged in rows and columns in the display area DA. The pixel PX is the smallest unit constituting a screen, i.e., a display image, and each pixel PX may display a specific color, such as any one of red, green, and blue, at various brightnesses according to an input image signal. A circuit and / or signal line for generating and / or transmitting various signals applied to the display area DA is arranged in the non-display area NA. Multiple signal lines such as gate lines, data lines, and drive voltage lines may be connected to each pixel PX, so that the pixel PX may receive gate signals, data voltages, drive voltages, etc. from these signal lines.

[0051] The display area DA includes a first display area DA1 and a second display area DA2. The second display area DA2 has a higher transmittance than the first display area DA1, so that in addition to the inherent function of displaying an image, other functions can also be performed. Here, the transmittance refers to the transmittance of light passing through the display panel 10 in the third direction z. The light can be visible light and / or light of a wavelength other than visible light (for example, infrared light). The second display area DA2 has a lower density of pixels PX than the first display area DA1, that is, the number of pixels PX per unit area is small.

[0052] In the display area DA, the second display area DA2 can be configured in various ways. In the illustrated embodiment, the second display area DA2 is located in the first display area DA1 and is surrounded by the first display area DA1. The second display area DA2 can be arranged to be connected to the non-display area NA. The second display area DA2 can be located on the left, right and / or center of the upper end of the display area DA. The second display area DA2 can be arranged to be separated into more than two areas. The second display area DA2 can be arranged along the first direction x by completely crossing the upper end of the display area DA. The second display area DA2 can be arranged along the second direction y by crossing the left side and / or right side of the display area DA. The second display area DA2 can have various shapes such as quadrilaterals, triangles and other polygons, circles, ellipses and the like.

[0053] In the non-display area NA of the display panel 10, a driving unit that generates and / or processes various signals for driving the display panel 10 may be provided. The driving unit may include a data driver that applies a data voltage to each data line, a gate driver that applies a gate signal to each gate line, a signal controller that controls the data driver and the gate driver, etc. The gate driver may be integrated in the display panel 10 and may be located on the left and right sides or one side of the display area DA. The data driver and the signal controller may be provided in the form of an integrated circuit chip (also referred to as a driver IC chip) 30, and the integrated circuit chip 30 may be mounted to the flexible printed circuit film 20 and electrically connected to the display panel 10. The integrated circuit chip 30 may also be mounted to the non-display area NA of the display panel 10.

[0054] The touch sensing area TSA that can sense touch may be substantially consistent with the display area DA. A plurality of touch electrodes TE are arranged in the touch sensing area TSA (see Figure 4). One touch electrode TE may pass through several pixels PX. The touch electrode TE may sense a contact touch or a non-contact touch by a user. Each touch electrode TE may sense a touch in a self-capacitor manner, or each adjacent touch electrode TE may sense a touch in a mutual capacitor manner. The display panel 10 may be referred to as a touch screen panel. The display device 1 may include a touch driving unit that generates a signal for driving each touch electrode TE and processes a signal received from each touch electrode TE, and the touch driving unit may be provided in the form of an integrated circuit chip.

[0055] The display panel 10 may include a substrate SB on which each pixel PX may be formed. The substrate SB may be continuously disposed via the first display area DA1 and the second display area DA2. The display panel 10 may include an encapsulation layer EN that entirely covers each pixel PX. The encapsulation layer EN may seal the first display area DA1 and the second display area DA2 to prevent moisture or oxygen from penetrating into the interior of the display panel 10.

[0056] A touch sensor layer TS in which touch electrodes TE are arranged may be provided on the encapsulation layer EN. The touch electrode TE may be formed of a metal mesh. The touch electrode TE may be formed of a transparent conductive material such as indium tin oxide (ITO) or indium zinc oxide (IZO). The touch electrode TE may be formed as a single layer or multiple layers.

[0057] An anti-reflection layer AR for reducing external light reflection may be disposed on the touch sensor layer TS, and the anti-reflection layer AR may include a polarization layer and / or a phase delay layer.

[0058] The optical device 40 may be disposed on the back side of the display panel 10 to overlap with the display panel 10. The optical device 40 may be a camera, a sensor, a flash, etc. In the case where the optical device 40 is a sensor, the optical device 40 may be a proximity sensor or an illumination sensor. Light of a wavelength utilized by the optical device 40 may pass through the display panel 10 with a higher transmittance through the second display area DA2. On the back side of the display panel 10, in addition to the optical device 40, various electronic devices may be disposed.

[0059] The optical device 40 can emit light L of a certain wavelength range toward the object OB side located on the front surface of the display panel 10, or can receive the incidence of light L reflected from the object OB. This light L of a certain wavelength range is light of a wavelength range that can be processed by the optical device 40, and can be visible light and / or infrared light. The light L of a certain wavelength range can mainly pass through the transmission area located in the second display area DA2. In the case where the optical device 40 uses infrared light, the light L of a certain wavelength range can have a wavelength region of about 900nm to about 1000nm. The optical device 40 can also receive the incidence of light L of a certain wavelength range irradiated to the front surface of the display panel 10. The optical device 40 can be configured corresponding to the entire second display area DA2, or it can be configured corresponding to only a part of the second display area DA2. A plurality of optical devices 40 can also be configured in the second display area DA2.

[0060] Reference Figure 3 and Figure 4 , describing a first display area DA1 and a second display area DA2 of a display device 1 according to an embodiment.

[0061] Figure 3 and Figure 4 1 is a schematic configuration diagram of a first display area DA1 and a second display area DA2 of a display device 1 according to an embodiment. Figure 3 Schematic configuration of the first pixel area PA1, the second pixel area PA2 and the transmission area TA is shown, Figure 4 More specifically, the first pixel area PA1, the second pixel area PA2, and each pixel PX that may be included in the transmission area TA are shown.

[0062] Reference Figure 3 The first display area DA1 includes a plurality of first pixel areas PA1, and the second display area DA2 includes a plurality of second pixel areas PA2 and a plurality of transmission areas TA. The size of a first pixel area PA1 and the size of a second pixel area PA2 may be the same or different.

[0063] In the first display area DA1, the first pixel areas PA1 may be arranged in rows and columns in the first direction x and the second direction y. In the second display area DA2, the second pixel areas PA2 and the transmission areas TA may be arranged in rows and columns. In the first direction x and / or the second direction y, one or more second pixel areas PA2 and one or more transmission areas TA may be arranged alternately. The second pixel areas PA2 and the transmission areas TA may be arranged in a checkerboard pattern so that the second pixel areas PA2 and the transmission areas TA are uniformly mixed. In the illustrated embodiment, each transmission area TA surrounds two second pixel areas PA2. As another example, each transmission area TA may be arranged to surround one second pixel area PA2.

[0064] The size of a second pixel area PA2 and the size of a transmission area TA may be substantially the same or different. The sizes of the transmission areas TA may be substantially the same or different. The configuration and size of the second pixel areas PA2 and the transmission areas TA may be changed in various ways. For example, in the second display area DA2, for the transmission area TA, in the illustrated embodiment, the area ratio of the second pixel area PA2 to the transmission area TA is approximately 1:3, but may also be configured to be approximately 1:1, 1:7, 1:15, and other area ratios. For example, the area ratio of the second pixel area PA2 to the transmission area TA may be approximately 1:(2n-1) (here, n is a natural number). Depending on the area ratio of the second pixel area PA2 to the transmission area TA, the pixel density and transmittance of the second display area DA2 may change. The pixel density and transmittance may be in a trade-off relationship.

[0065] The first pixel area PA1 and the second pixel area PA2 may include one or more pixels PX. The pixel PX may include a pixel circuit and a light emitting portion. The pixel circuit is used to drive a light emitting diode LED (see Figure 6 ) can include a transistor, a capacitor, etc. The light emitting portion is a region where light emitted by the light emitting element is emitted. Figure 4 The pixel PX shown may correspond to a light emitting portion. The light emitting portion may be a rhombus, but may also have various shapes such as a rectangle, a circle, etc. The pixel PX may emit light in one direction, i.e., a third direction z. A touch electrode portion TES may be provided in the first pixel area PA1 and the second pixel area PA2. The touch electrode portion TES may be formed as a metal grid in which metal wires are interwoven like a mesh, and the metal grid is provided so as not to cover the light emitting portion. A plurality of touch electrode portions TES may be connected to each other to form a touch electrode TE.

[0066] The transmission area TA does not include a pixel circuit and a light emitting portion. The touch electrode TE may not be located in or almost located in the transmission area TA. The touch electrode TE may not be located in the opening OPN of the common electrode E2 (see Figure 5 ) overlap. In the transmission area TA, no or almost no pixel circuits, light emitting parts, touch electrodes TE, etc. that hinder the transmission of light are provided, so the transmittance is higher than that of the first pixel area PA1 and the second pixel area PA2. Different from the case shown in the figure, in the second display area DA2, the touch electrodes TE are continuously provided via the second pixel area PA2 and the transmission area TA.

[0067] exist Figure 4 In the illustrated embodiment, each first pixel area PA1 includes a red pixel R, two green pixels G, and one blue pixel B. Each second pixel area PA2 includes a red pixel R, two green pixels G, and one blue pixel B. Different from the illustrated case, the pixel configuration of the first pixel area PA1 and the pixel configuration of the second pixel area PA2 may be different. In the case where the set of pixels R, G, and B included in each pixel area PA1 and PA2 is referred to as a unit pixel, the composition of the unit pixel of the first pixel area PA1 and the composition of the unit pixel of the second pixel area PA2 may be the same or different. The unit pixel may include a red pixel R, a green pixel G, and a blue pixel B. The unit pixel may include at least one of the red pixel R, the green pixel G, and the blue pixel B, and may also include a white pixel.

[0068] The pixels R, G, B included in the first display area DA1 form a pixel row in the first direction x. The pixels R, G, B included in the second display area DA2 also form a pixel row in the first direction x.

[0069] In the first display area DA1, in each pixel row, each pixel R, G, B is arranged in a first direction x in approximately one column. In each pixel row, each pixel R, G, B may be repeatedly arranged in the first direction x in the order of red pixel R, green pixel G, blue pixel B, and green pixel G. The configuration of each pixel R, G, B included in a pixel row may be changed in various ways. For example, each pixel R, G, B may be repeatedly arranged in the first direction x in the order of blue pixel B, green pixel G, red pixel R, and green pixel G, or may be repeatedly arranged in the first direction x in the order of red pixel R, blue pixel B, green pixel G, and blue pixel B.

[0070] In the second display area DA2, in each pixel row, each pixel R, G, B is arranged in a substantially row in the first direction x. In each pixel row, each pixel R, G, B may be repeatedly arranged in the first direction x in the order of red pixel R, green pixel G, blue pixel B, and green pixel G. The configuration of each pixel R, G, B included in one pixel row may be changed in various ways.

[0071] The pixels R, G, and B of the first pixel area PA1 and the second pixel area PA2 also form a pixel column in the second direction y. In each pixel column, the pixels R, G, and B are arranged in a row in the second direction y. In each pixel column, pixels PX of the same color may be arranged, or pixels PX of two or more colors may be arranged alternately in the second direction y. The arrangement of the pixels R, G, and B included in a pixel column may be changed in various ways.

[0072] Each pixel R, G, B of the second pixel area PA2 may be a front-emitting type, for example, emitting light in the third direction z. Each pixel R, G, B of the second pixel area PA2 may also be a back-emitting type or a dual-emitting type.

[0073] Figure 5 yes Figure 4 Schematic enlargement of area A in Figure 6 is Figure 5 A schematic cross-sectional view taken along line A-A' in FIG. Figure 7 is Figure 5 A schematic cross-sectional view taken along line BB' in FIG. Figure 5 Approximately eight second pixel areas PA2 and 24 transmission areas TA are shown in the second display area DA2. Figure 6 The pixel circuit PC located in the second pixel area PA2 is schematically shown (refer to Fig.12 ) consists of a transistor TR and a capacitor CP.

[0074] Reference Figure 5, in the second display area DA2, the second pixel area PA2 is adjacent to the transmission area TA, and the second pixel area PA2 includes pixels R, G, and B. The gate lines GL1 and GL2 that transmit gate signals to the pixels R, G, and B may extend approximately in the first direction x, and the data lines DL that transmit data signals may extend approximately in the second direction y. A data line DL may be provided in each pixel column. Each data line DL may extend through the first display area DA1 and the second display area DA2. In each pixel row, more than two gate lines GL1 and GL2 that can transmit gate-on voltages at different times may be provided. Different from the illustrated case, multiple data lines DL may be provided in each pixel column or one data line DL may be provided in multiple pixel columns.

[0075] In order to prevent the transmittance of the transmission area TA from decreasing due to the gate lines GL1, GL2 and the data lines DL, the gate lines GL1, GL2 and the data lines DL may extend in a manner passing through the approximate edges of the adjacent transmission areas TA. In the illustrated embodiment, one of the two adjacent data lines DL includes a portion extending along the first direction x near the approximate boundary between the second pixel area PA2 and the transmission area TA, and one of the two adjacent gate lines GL1, GL2 includes a portion extending along the second direction y near the approximate boundary between the second pixel area PA2 and the transmission area TA. The gate lines GL1, GL2 and the data lines DL may extend in a manner passing through the approximate boundary between the second pixel area PA2 and the transmission area TA or in a manner passing through the second pixel area PA2.

[0076] Reference Figure 5 , Figure 6 and Figure 7 The display device 1 includes a substrate SB and a plurality of layers, wirings, and elements formed thereon. Each element may include a transistor TR, a capacitor CP, and a light emitting diode LED.

[0077] The substrate SB may include a polymer such as polyimide or polyamide or an insulating material such as glass, and may be optically transparent. In the case where the substrate SB includes a polymer layer, the substrate SB may include a dielectric layer such as silicon oxide (SiO x ), silicon nitride (SiN x )A barrier layer of such inorganic insulating material.

[0078] A buffer layer BF may be provided on the substrate SB, which may prevent diffusion of impurities that may deteriorate the characteristics of the active layer AL and may prevent penetration of moisture or the like.

[0079] The active layer AL of the transistor TR may be disposed on the buffer layer BF. The active layer AL may include a channel region and a source region and a drain region on both sides thereof. The active layer AL may include semiconductor materials such as polysilicon, amorphous silicon, and oxide semiconductor.

[0080] A first insulating layer IN1 including an inorganic insulating material may be disposed on the active layer AL. The first insulating layer IN1 may be located on the entire surface of the substrate SB and may also be located in the transmission area TA.

[0081] A first conductive layer may be provided on the first insulating layer IN1, which may include a gate electrode GE of the transistor TR, a first electrode CE1 of the capacitor CP, gate lines GL1, GL2, etc. The gate electrode GE may overlap with a channel region of the active layer AL. The first conductive layer may include metals such as molybdenum (Mo), copper (Cu), aluminum (Al), silver (Ag), chromium (Cr), tantalum (Ta), and titanium (Ti).

[0082] A second insulating layer IN2 that may include an inorganic insulating material may be disposed on the first conductive layer. A second conductive layer that may include a source electrode SE and a drain electrode DE of a transistor TR, a second electrode CE2 of a capacitor CP, a data line DL, a driving voltage line, etc. may be disposed on the second insulating layer IN2. The source electrode SE and the drain electrode DE may be connected to the source region and the drain region of the active layer AL, respectively, through a plurality of openings of the second insulating layer IN2. The second conductive layer may include metals such as aluminum (Al), copper (Cu), silver (Ag), gold (Au), platinum (Pt), palladium (Pd), nickel (Ni), molybdenum (Mo), tungsten (W), titanium (Ti), chromium (Cr), and tantalum (Ta).

[0083] The gate electrode GE, the source electrode SE and the drain electrode DE form a transistor TR together with the active layer AL. The first electrode CE1 and the second electrode CE2 form a capacitor CP together with the second insulating layer IN2 therebetween. Such a transistor TR and capacitor CP constituting the pixel circuit may not be located in the transmission area TA.

[0084] A third insulating layer IN3 that may include an organic insulating material may be disposed on the second insulating layer IN2 and the second conductive layer. The third insulating layer IN3 may play the role of eliminating the height difference and achieving flatness in order to improve the light emitting efficiency of the light emitting element to be formed thereon. The third insulating layer IN3 may be disposed in the second pixel region PA2 to cover the second insulating layer IN2 and the second conductive layer. The third insulating layer IN3 may cover the transistor TR.

[0085] In order to improve transmittance, the third insulating layer IN3 may be at least partially removed in the transmission area TA. For example, except for the boundary between the transmission area TA and the second pixel area PA2 and the boundary between adjacent transmission areas TA, the third insulating layer IN3 may not be located in the transmission area TA.

[0086] A pixel electrode E1 may be provided on the third insulating layer IN3. The pixel electrode E1 is a first electrode of two electrodes of the light emitting diode LED of the pixel PX. The pixel electrode E1 may be connected to the drain electrode DE of the transistor TR through an opening of the third insulating layer IN3. The pixel electrode E1 may be provided separately in each pixel PX. The pixel electrode E1 may include a metal such as silver (Ag), lithium (Li), calcium (Ca), aluminum (Al), magnesium (Mg), gold (Au), or a transparent conductive oxide (TCO) such as indium tin oxide (ITO) or indium zinc oxide (IZO).

[0087] A fourth insulating layer IN4 that may include an organic insulating material may be disposed on the third insulating layer IN3 and the pixel electrode E1. The fourth insulating layer IN4 may have an opening OP overlapping the pixel electrode E1. The opening OP may define an area corresponding to a light emitting portion of the pixel PX. The fourth insulating layer IN4 may cover an edge position of the pixel electrode E1. Similar to the third insulating layer IN3, the fourth insulating layer IN4 may be at least partially removed in the transmission area TA in order to improve transmittance.

[0088] Different from the case shown in the figure, at least one of the third insulating layer IN3 and the fourth insulating layer IN4 may not be removed in the transmission area TA, but may be arranged to cover the entire substrate SB. In order to improve the transmittance of the transmission area TA, at least one of the buffer layer BF, the first insulating layer IN1, and the second insulating layer IN2 may be at least partially removed in the transmission area TA.

[0089] A light emitting layer EL may be provided on the pixel electrode E1. The light emitting layer EL may include a material layer that inherently emits light of basic colors such as red, green, and blue. The light emitting layer EL may also have a structure in which a plurality of material layers that emit light of different colors are stacked.

[0090] A common electrode E2 may be provided on the light emitting layer EL. The common electrode E2 is the second electrode of the two electrodes of the light emitting diode LED. Figure 5, the shaded area corresponds to the area where the common electrode E2 is located. In the second display area DA2, the common electrode E2 may be arranged to cover each second pixel area PA2. In the transmission area TA, the common electrode E2 may be at least partially removed in order to improve the transmittance. That is, the common electrode E2 may include an opening OPN overlapping the transmission area TA. The common electrode E2 may be arranged to overlap the data line DL at a rough boundary portion between the second pixel area PA2 adjacent to the first direction x and the transmission area TA. The common electrode E2 may be arranged to overlap the gate lines GL1 and GL2 at a rough boundary portion between the second pixel area PA2 adjacent to the second direction y and the transmission area TA. The common electrode E2 may be arranged to overlap the data line DL at a rough boundary portion between each transmission area TA adjacent to the first direction x. The common electrode E2 may be arranged to overlap the gate lines GL1 and GL2 at a rough boundary portion between each transmission area TA adjacent to the second direction y.

[0091] As described above, on the data line DL and the gate lines GL1 and GL2, the common electrode E2 is arranged to overlap these lines, so that the touch electrode TE can be prevented or reduced from being affected by the data signal and the gate signal transmitted through the data line DL and the gate lines GL1 and GL2. In order to fully shield the data line DL, the common electrode E2 can extend along the side of the fourth insulating layer IN4 to the edge position of the transmission area TA. The common electrode E2 can surround the upper surface and at least one side of the data line DL.

[0092] In the first display area DA1, the common electrode E2 may be arranged to cover the entire first pixel area PA1. Therefore, the common electrode E2 may be arranged to substantially cover the area except the transmission area TA in the display area DA. The common electrode E2 may be arranged in common in all pixels PX and may receive a common voltage ELVSS (refer to Fig.11 ) is applied. The common electrode E2 may include a transparent conductive oxide (TCO) such as indium tin oxide (ITO) or indium zinc oxide (IZO).

[0093] A cover layer CPL may be disposed on the common electrode E2. The cover layer CPL may improve light efficiency by adjusting the refractive index. The cover layer CPL may be disposed to entirely cover the common electrode E2. The cover layer CPL may include an organic insulating material or an inorganic insulating material.

[0094] In the first pixel area PA1 and the second pixel area PA2, the pixel electrode E1, the light-emitting layer EL and the common electrode E2 form a light-emitting element as a light-emitting diode LED. The pixel electrode E1 can be an anode as a hole injection electrode, and the common electrode E2 can be a cathode as an electron injection electrode. Conversely, the pixel electrode E1 can be a cathode and the common electrode E2 can be an anode. In the light-emitting diode LED, the pixel electrode E1 can be reflective, and the common electrode E2 can be transmissive, and the light emitted by the light-emitting diode LED can be emitted toward the front surface, that is, in the third direction z.

[0095] An encapsulation layer EN may be disposed on the cap layer CPL. The encapsulation layer EN may be a thin film encapsulation layer in which at least one inorganic layer and / or at least one organic layer is stacked on the cap layer CPL.

[0096] A buffer layer TBF, which may include an inorganic insulating material such as silicon nitride or silicon oxide, may be disposed on the encapsulation layer EN.

[0097] A touch electrode TE may be provided on the buffer layer TBF. The touch electrode TE may include metals such as aluminum (Al), copper (Cu), titanium (Ti), molybdenum (Mo), silver (Ag), chromium (Cr), and nickel (Ni). The touch electrode TE may be in the form of a grid having an opening overlapping the light emitting portion. The touch electrode TE may include conductive nanomaterials such as silver nanowires and carbon nanotubes. The touch electrode TE may include transparent conductive materials such as ITO and TZO.

[0098] The touch electrode TE may be electrically connected to the touch drive unit through a wiring located in the same layer or a different layer as the touch electrode TE. The touch electrodes TE adjacent in the first direction x or the second direction y may be electrically connected through a bridge located in the same layer or a different layer as the touch electrode TE. In the second display area DA2, each touch electrode portion TES adjacent in the first direction x and / or the second direction y may be electrically connected through a connection line TEC. The touch electrode portion TES and the connection line TEC may constitute the touch electrode TE.

[0099] In the third direction z, a common electrode E2 of the light emitting diode LED overlapping with the touch electrode TE and the data line DL is provided between them. Therefore, the common electrode E2 can shield the noise that may flow from the data line DL and / or the gate lines GL1 and GL2 to the touch electrode TE. Thus, the touch electrode TE can be prevented from being affected by the data signal and / or the gate signal for driving the light emitting diode LED, and the problem of decreased touch sensitivity can be improved.

[0100] In addition, by overlapping the common electrode E2 with the touch electrode TE, the capacitance of the capacitor formed by the touch electrode TE and the common electrode E2 can be increased. Since the base capacitance of the touch electrode TE is increased, when the touch electrode TE is used as a self-capacitive touch electrode TE, the touch sensitivity can be improved.

[0101] An insulating layer TIN may be provided on the touch electrode TE to protect the touch electrode TE. The touch electrode TE and the insulating layer TIN may constitute Figure 2 The touch sensor layer TS.

[0102] On the other hand, the cross-sectional structure of the first pixel area PA1 of the first display area DA1 may correspond to the cross-sectional structure of the second pixel area PA2.

[0103] Several variant embodiments are described below, mainly with respect to differences from the aforementioned embodiments.

[0104] Figure 8 and Fig. 9 In a display device according to an embodiment, Figure 4 A schematic plan view of the area corresponding to region A.

[0105] Figure 8 Examples and Figure 5 The difference of the embodiment is that the area of ​​the common electrode E2 of the light emitting diode LED is Figure 8 , the common electrode E2 is not located between adjacent transmission areas TA in the second direction y.

[0106] The gate signal applied through the gate lines GL1 and GL2 and the data signal applied through the data line DL are not constant and may change. Therefore, if the touch electrode TE is not shielded from the gate lines GL1 and GL2 and / or the data line DL, the voltage of the touch electrode TE may be affected by the change of the gate signal and / or the data signal. The distance between the gate lines GL1 and GL2 and the touch electrode TE is greater than the distance between the data line DL and the touch electrode TE (refer to Figure 6 ), so the influence of the gate lines GL1 and GL2 on the touch electrode TE is less than the influence of the data line DL on the touch electrode TE. Therefore, by removing the common electrode E2 from the boundary portion of the transmission area TA where the gate lines GL1 and GL2 can extend in the first direction x, the transmittance of the transmission area TA can be further improved.

[0107] As described above, the area where the common electrode E2 is formed can be reduced, or on the contrary, it can be expanded. Fig. 9 As shown, the area of ​​the common electrode E2 can be changed in various ways.

[0108] Fig.10 is a schematic configuration diagram of the second display area DA2 in a display device according to an embodiment. Fig.10 The pixel PX, the common electrode E2 of the light emitting diode LED, and the data line DL are schematically indicated in the second pixel area PA2 and the transmission area TA.

[0109] Reference Fig.10 , the area ratio of the second pixel area PA2 to the transmission area TA is approximately 16:9, and the pixel PX is rectangular. The second pixel area PA2 may include a blue pixel B, a red pixel R, and a green pixel G, and may have unit pixel structures other than these. The common electrode E2 may be arranged to overlap the data line DL at the approximate boundary of the second pixel area PA2 and the transmission area TA adjacent to each other along the first direction x. Thus, the common electrode E2 may minimize the influence of the noise of the data line DL on the touch electrode TE.

[0110] In addition to the illustrated embodiment, in the second display area DA2, the ratio and configuration of the second pixel area PA2 and the transmission area TA, and the pixel structure can be changed in various ways. In order to prevent the sensitivity of the touch electrode TE from being reduced in the second display area DA2 where the transmission area TA exists regardless of such ratio, configuration and structure, the common electrode E2 can be formed to overlap with the data line DL, and the data line DL can be configured to overlap with the common electrode E2.

[0111] A pixel circuit that each pixel PX of the first pixel area PA1 and the second pixel area PA2 may include is described using a circuit diagram.

[0112] Fig.11 FIG. 1 is a circuit diagram of a pixel PX of a display device according to an embodiment.

[0113] Reference Fig.11 , one pixel PX may include a plurality of transistors TR1 , TR2 , TR3 , TR4 , TR5 , TR6 , TR7 , a capacitor CP and a light emitting diode LED connected to the signal lines 151 , 152 , 153 , 154 , 161 , 171 , 172 .

[0114] The signal lines (151, 152, 153, 154, 161, 171, 172) may include gate lines 151, 152, 153, a light emitting control line 154, a data line 171, a driving voltage line 172, and an initialization voltage line 161. The gate lines 151, 152, 153 may correspond to the aforementioned gate lines GL1, GL2, and the data line 171 may correspond to the aforementioned data line DL.

[0115] The gate lines 151, 152, and 153 may transmit gate signals GWn, GIn, and GI(n+1), respectively. The gate signals GWn, GIn, and GI(n+1) may include a gate-on voltage and a gate-off voltage that can turn on and off the transistors TR2, TR3, TR4, and TR7 included in the pixel PX.

[0116] The gate lines (151, 152, 153) connected to one pixel PX may include: a first gate line 151 capable of transmitting a gate signal GWn; a second gate line 152 capable of transmitting a gate signal GIn having a gate-on voltage at a different time from the first gate line 151; and a third gate line 153 capable of transmitting a gate signal GI(n+1). The second gate line 152 may transmit a gate-on voltage at an earlier time than the first gate line 151. For example, when the gate signal GWn is the nth gate signal among the gate signals applied during one frame, the gate signal GIn may be a previous gate signal such as the (n-1)th gate signal, and the gate signal GI(n+1) may be the nth gate signal. The gate signal GI(n+1) may also be a gate signal different from the nth gate signal.

[0117] The light emitting control line 154 may transmit a light emitting control signal EM capable of controlling the light emitting of the light emitting diode LED. The light emitting control signal EM may include a gate-on voltage and a gate-off voltage.

[0118] The data line 171 may transmit a data signal Dm. The driving voltage line 172 may transmit a driving voltage ELVDD. The data signal Dm may have a voltage level that varies according to an image signal input to the display device 1, and the driving voltage ELVDD may have a substantially constant level. The initialization voltage line 161 may transmit a constant voltage such as an initialization voltage Vint.

[0119] The display device may include a driving device (eg, a gate driving unit, a data driving unit, a signal control unit, etc.) that generates signals to be transmitted to the signal lines 151 , 152 , 153 , 154 , 161 , 171 , and 172 .

[0120] The transistors (TR1, TR2, TR3, TR4, TR5, TR6, TR7) included in one pixel PX may include a first transistor TR1, a second transistor TR2, a third transistor TR3, a fourth transistor TR4, a fifth transistor TR5, a sixth transistor TR6, and a seventh transistor TR7.

[0121] The first gate line 151 may transmit a gate signal GWn to the second transistor TR2 and the third transistor TR3. The second gate line 152 may transmit a gate signal GIn to the fourth transistor TR4. The third gate line 153 may transmit a gate signal GI(n+1) to the seventh transistor TR7. The light emission control line 154 may transmit a light emission control signal EM to the fifth transistor TR5 and the sixth transistor TR6. The transistors TR1, TR2, TR3, TR4, TR5, TR6, and TR7 may include source electrodes SE1, SE2, SE3, SE4, SE5, SE6, and SE7, drain electrodes DE1, DE2, DE3, DE4, DE5, DE6, and DE7, and gate electrodes GE1, GE2, GE3, GE4, GE5, GE6, and GE7, respectively, and may be connected as shown in the figure.

[0122] The first transistor TR1 can receive the data signal Dm transmitted by the data line 171 according to the switching operation of the second transistor TR2, thereby supplying a current I to the light emitting diode LED. LED .

[0123] The second transistor TR2 may be turned on according to the gate signal GWn transferred through the first gate line 151 , thereby transferring the data signal Dm transferred from the data line 171 to the source electrode SE1 of the first transistor TR1 .

[0124] The third transistor TR3 may be turned on according to the gate signal GWn transferred through the first gate line 151 , thereby connecting the gate electrode GE1 and the drain electrode DE1 of the first transistor TR1 to each other to diode-connect the first transistor TR1 .

[0125] The fourth transistor TR4 may be turned on according to the gate signal GIn transferred through the second gate line 152 to transfer the initialization voltage Vint to the gate electrode GE1 of the first transistor TR1 , thereby performing an initialization operation of initializing the voltage of the gate electrode GE1 of the first transistor TR1 .

[0126] The fifth transistor TR5 and the sixth transistor TR6 may be simultaneously turned on according to the light emitting control signal EM transmitted through the light emitting control line 154 , thereby compensating and transmitting the driving voltage ELVDD to the light emitting diode LED through the diode-connected first transistor TR1 .

[0127] One end of the capacitor CP may be connected to the gate electrode GE1 of the first transistor TR1, and the other end may be connected to the driving voltage line 172. A cathode of the light emitting diode LED may be connected to a common voltage ELVSS terminal transmitting the common voltage ELVSS to receive application of the common voltage ELVSS.

[0128] The number of transistors, the number of capacitors, and the connection relationship included in one pixel PX may be changed in various ways.

[0129] The operation of the display device according to one embodiment is briefly described. During the initialization period, if a gate signal GIn of a gate-on voltage level is supplied through the second gate line 152 (the gate signal GIn may be the (n-1)th gate signal), the fourth transistor TR4 is turned on, and the initialization voltage Vint is transmitted to the gate electrode GE1 of the first transistor TR1 through the fourth transistor TR4, and the first transistor TR1 is initialized according to the initialization voltage Vint.

[0130] Then, during the data programming and compensation period, if a gate signal GWn (the gate signal GWn may be the nth gate signal) of a gate-on voltage level is supplied through the first gate line 151, the second transistor TR2 and the third transistor TR3 are turned on. The first transistor TR1 is diode-connected due to the turned-on third transistor TR3 and is biased in the forward direction. Thus, a compensation voltage obtained by reducing the threshold voltage of the first transistor TR1 from the data signal Dm supplied through the data line 171 is applied to the gate electrode GE1 of the first transistor TR1. The driving voltage ELVDD and the compensation voltage may be applied to both ends of the capacitor CP, and a charge corresponding to the voltage difference between the two ends may be stored in the capacitor CP.

[0131] During the light emission period, if the light emission control signal EM supplied by the light emission control line 154 is changed from the gate disconnection voltage level to the gate on voltage level, the fifth transistor TR5 and the sixth transistor TR6 are turned on, generating a driving current I corresponding to the voltage difference between the gate voltage of the gate electrode GE1 of the first transistor TR1 and the driving voltage ELVDD. D , through the sixth transistor TR6, the driving current I D Supplied to the light emitting diode LED, so that the current I LED Flows through the light emitting diode LED.

[0132] On the other hand, during the initialization period, the seventh transistor TR7 receives the gate signal GI(n+1) of the gate-on voltage level through the third gate line 153, thereby being turned on. The gate signal GI(n+1) may be the nth gate signal. Through the turned-on seventh transistor TR7, the driving current I D A portion of the bypass current I BP And it flows out through the seventh transistor TR7.

[0133] Fig.12 is a diagram showing a configuration of a display area DA in a display device according to an embodiment. Fig.13 is Fig.122 is a cross-sectional view of an embodiment taken along CC'. The illustrated configuration diagram may be an example of the first pixel area PA1 and / or the second pixel area PA2.

[0134] Reference Fig.12 The display device 1 according to an embodiment may include pixel circuits PC corresponding to pixels R, G, and B. The pixel circuits PC may be arranged in rows and columns.

[0135] The pixel circuit PC may include transistors TR1, TR2, TR3, TR4, TR5, TR6, TR7 connected to gate lines 151, 152, 153, light emission control lines 154, data lines 171, driving voltage lines 172, and initialization voltage lines 161. The gate lines 151, 152, 153 and the light emission control lines 154 may extend approximately in a first direction x, and the data lines 171, the driving voltage lines 172, and the initialization voltage lines 161 may extend approximately in a second direction y. The driving voltage lines 172 and / or the initialization voltage lines 161 may be in a grid form. The driving voltage lines 172 may include an expansion portion 178.

[0136] The channels of the respective transistors TR1, TR2, TR3, TR4, TR5, TR6, and TR7 may be formed inside the active pattern AP. The active pattern AP may be bent in various shapes. For example, the first transistor TR1 may include a channel region C1 of the active pattern AP that is bent at least once. The first transistor TR1 of the second pixel area PA2 may drive the pixel PX of the second pixel area PA2 in a manner that exhibits a higher brightness than the pixel PX of the first pixel area PA1. Therefore, the first transistor TR1 located in the second pixel area PA2 may have a larger channel region C1 than the first transistor TR1 located in the first pixel area PA1.

[0137] Reference Fig.12 and Fig.13 A display device according to an embodiment may include a substrate SB, and a buffer layer BF serving as an insulating layer may be disposed on the substrate SB.

[0138] An active pattern AP may be disposed on the buffer layer BF. The active pattern AP may include channel regions C1, C2, C6 and a conductive region CA. The conductive region CA may be located at both sides of each channel region C1, C2, C6 and may become a source region and a drain region of a corresponding transistor.

[0139] A first insulating layer IN1 may be disposed on the active pattern AP, and a first conductive layer including gate lines 151 , 152 , 153 , a light emission control line 154 , gate electrodes GE1 , GE2 , GE6 , etc. may be disposed on the first insulating layer IN1 .

[0140] A second insulating layer IN2 may be provided on the first conductive layer. A second conductive layer including a data line 171, a driving voltage line 172, a drain electrode DE6, etc. may be provided on the second insulating layer IN2. The data line 171 may be connected to the source region of the second transistor TR2 through the openings of the first insulating layer IN1 and the second insulating layer IN2. The expansion portion 178 of the driving voltage line 172 may overlap with the gate electrode GE1 of the first transistor TR1 with the second insulating layer IN2 therebetween, thereby forming a capacitor CP. The drain electrode DE6 may be connected to the drain region of the sixth transistor TR6 through the openings of the first insulating layer IN1 and the second insulating layer IN2.

[0141] A third insulating layer IN3 may be disposed on the second conductive layer. A third conductive layer including pixel electrodes E1 of each pixel R, G, B, an initialization voltage line 161, etc. may be disposed on the third insulating layer IN3. The pixel electrode E1 may be connected to the drain electrode DE6 through an opening of the third insulating layer IN3. The third conductive layer may be a reflective or semi-transmissive layer.

[0142] A fourth insulating layer IN4 may be provided on the third conductive layer. The fourth insulating layer IN4 may have an opening OP overlapping the pixel electrode E1. A light emitting layer EL at least located within the opening OP may be provided on the pixel electrode E1. A common electrode E2 may be provided on the light emitting layer EL and the fourth insulating layer IN4. The common electrode E2 may be transparent. The common electrode E2 may be located in the entire first display area DA1. In the second display area DA2, in order to increase the transmittance of the transmission area TA, the common electrode E2 is not substantially located in the transmission area TA, but as mentioned above, in order to shield the touch electrode TE from signal lines such as the data line 171, the gate lines 151, 152, and 153, the common electrode E2 may be located at an edge position of the transmission area TA.

[0143] The pixel electrode E1, the light emitting layer EL and the common electrode E2 of each pixel R, G, B may form a light emitting diode LED as a light emitting element. The pixel electrode E1 may be an anode as a hole injection electrode, and the common electrode E2 may be a cathode as an electron injection electrode.

[0144] A cover layer CPL may be disposed on the common electrode E2 , and an encapsulation layer EN may be disposed on the cover layer CPL.

[0145] A buffer layer TBF including an inorganic insulating material such as silicon nitride or silicon oxide may be disposed on the encapsulation layer EN. A touch electrode TE may be disposed on the buffer layer TBF, and an insulating layer TIN may be disposed on the touch electrode TE. The touch electrode TE may be in a mesh shape with openings overlapping each pixel PX.

[0146] The first display area DA1 may have Fig.12 and Fig.13 The structure shown. The second pixel area PA2 of the second display area DA2 may have a structure substantially the same as this. In the transmission area TA of the second display area DA2, the pixel circuit PC for driving the light emitting diode LED may not be provided or may be almost not provided. For example, the transistors TR1, TR2, TR3, TR4, TR5, TR5, TR7 and the capacitor CP may not be provided in the transmission area TA. In addition, at least a portion of the signal lines 151, 152, 153, 154, 161, 171, 172 may not be provided in the transmission area TA. Thus, the transmittance of the transmission area TA can be made higher than the transmittances of the first pixel area PA1 and the second pixel area PA2.

[0147] The embodiments of the present invention are described in detail above, but the scope of the present invention is not limited thereto. Various modifications and improvements of the basic concept of the present invention defined in the claims by those skilled in the art fall within the scope of the present invention.

Claims

1. A display device, comprising: A first display area, comprising a plurality of first pixel areas; The second display area includes a plurality of second pixel areas and a plurality of transmission areas; a plurality of pixels arranged in the plurality of second pixel regions and each including a light emitting portion; a signal line arranged in the second display area and electrically connected to the plurality of pixels; A common electrode, arranged in the second display area; as well as The touch electrode comprises: a first touch electrode arranged in the first display area, the first touch electrode comprising a plurality of touch electrode segments arranged in adjacent first pixel areas of the plurality of first pixel areas and directly connected to each other; and a second touch electrode arranged in the second display area, the second touch electrode comprising a plurality of touch electrode segments arranged in adjacent second pixel areas of the plurality of second pixel areas and a plurality of connection lines electrically connected to the plurality of touch electrode segments, The signal line includes a first portion extending in a first direction, The common electrode includes a first portion extending in the first direction, and The plurality of connection lines include a first connection line extending in the first direction and overlapping the first portion of the signal line and the first portion of the common electrode in a plan view.

2. The display device according to claim 1, wherein: The first portion of the common electrode, the first portion of the signal line, and the first connection line are arranged between two transmission areas adjacent to each other in a second direction intersecting the first direction among the plurality of transmission areas in a plan view.

3. The display device according to claim 1, wherein: The first portion of the common electrode overlaps the first portion of the signal line in a plan view.

4. The display device according to claim 1, wherein: The common electrode further includes a second portion extending in a second direction intersecting the first direction, The signal line further includes a second portion extending in the second direction, and The plurality of connection lines further include a second connection line extending in the second direction and overlapping the second portion of the common electrode and the second portion of the signal line in a plan view.

5. The display device according to claim 4, wherein: The first portion of the common electrode, the first portion of the signal line, and the first connection line are arranged between two transmission areas adjacent to each other in a second direction intersecting the first direction among the plurality of transmission areas in a plan view.

6. The display device according to claim 4, wherein: The second portion of the common electrode overlaps the second portion of the signal line in a plan view.

7. The display device according to claim 1, wherein: The common electrode is arranged between the signal line and the touch electrode in a cross-sectional view.

8. The display device according to claim 1, wherein: The touch electrode further includes a plurality of openings each overlapping the light emitting portion in a plan view, and has a grid form.

9. The display device according to claim 1, wherein: The signal line is a data line for transmitting a data signal or a gate line for transmitting a gate signal.

10. The display device according to claim 1, wherein: The pixel density of the second display area is smaller than the pixel density of the first display area.

11. The display device according to claim 1, wherein: The common electrode further includes a plurality of openings overlapping the plurality of transmission regions in a plan view.

12. The display device according to claim 1, wherein: A plurality of pixel electrodes are arranged in the plurality of second pixel regions, and No pixel electrodes are arranged in the plurality of transmission regions.

13. A display device, comprising: a display panel configured to display images and sense touch; as well as A camera is arranged below the display panel. Wherein, the display panel comprises: A first display area, comprising a plurality of first pixel areas; The second display area includes a plurality of second pixel areas and a plurality of transmission areas; a plurality of pixels arranged in the plurality of second pixel regions and each including a light emitting portion; a signal line arranged in the second display area and electrically connected to the plurality of pixels; a common electrode, arranged in the second display area; and The touch electrode comprises: a first touch electrode arranged in the first display area, the first touch electrode comprising a plurality of touch electrode segments arranged in adjacent first pixel areas of the plurality of first pixel areas and directly connected to each other; and a second touch electrode arranged in the second display area, the second touch electrode comprising a plurality of touch electrode segments arranged in adjacent second pixel areas of the plurality of second pixel areas and a plurality of connection lines electrically connected to the plurality of touch electrode segments, The signal line includes a first portion extending in a first direction, The common electrode includes a first portion extending in the first direction, and The plurality of connection lines include a first connection line extending in the first direction and overlapping the first portion of the signal line and the first portion of the common electrode in a plan view.

14. The display device according to claim 13, wherein: The second display area overlaps the camera in a plan view.

15. The display device according to claim 13, wherein: The first portion of the common electrode, the first portion of the signal line, and the first connection line are arranged between two transmission areas adjacent to each other in a second direction intersecting the first direction among the plurality of transmission areas in a plan view.

16. The display device according to claim 13, wherein: The common electrode further includes a second portion extending in a second direction intersecting the first direction, The signal line further includes a second portion extending in the second direction, and The plurality of connection lines further include a second connection line extending in the second direction and overlapping the second portion of the common electrode and the second portion of the signal line in a plan view.

17. The display device according to claim 16, wherein: The first portion of the common electrode, the first portion of the signal line, and the first connection line are arranged between two transmission areas adjacent to each other in a second direction intersecting the first direction among the plurality of transmission areas in a plan view.

18. The display device according to claim 13, wherein: The touch electrode further includes a plurality of openings each overlapping the light emitting portion in a plan view, and has a grid form.

19. The display device according to claim 13, wherein: The common electrode further includes a plurality of openings overlapping the plurality of transmission regions in a plan view.

20. The display device according to claim 13, wherein: A plurality of pixel electrodes are arranged in the plurality of second pixel regions, and no pixel electrode is arranged in the plurality of transmission regions.

Images