KR20220058873A - Display apparatus - Google Patents

Abstract

A display device comprises: a display panel; and a touch sensing unit disposed on the display panel. The touch sensing unit includes: a plurality of first touch sensor units arranged in a first direction; first connection parts for connecting the first touch sensor units adjacent to each other among the first touch sensor units in the first direction; a plurality of second touch sensor units arranged in a second direction crossing the first direction; and second connection parts for connecting the second touch sensor units adjacent to each other among the second touch sensor units in the second direction. The first connection parts are insulated from the second touch sensor units and extend toward predetermined portions of the second touch sensor units adjacent to each other. Predetermined portions of the first connection parts adjacent to each of both ends of the first connection parts are connected to corresponding predetermined portions of the first touch sensor unit among the first touch sensor units. Therefore, the display device can increase reliability.

Description

display device {DISPLAY APPARATUS}

The present invention relates to a display device, and more particularly, to a display device capable of improving reliability.

Electronic devices such as smart phones, digital cameras, notebook computers, navigation systems, and smart TVs that provide images to users include display devices for displaying images. The display device may include a display panel that generates and displays an image and a keyboard, a mouse, or a touch panel as an input device.

The touch panel is disposed on the display panel, and when a user touches the touch panel, an input signal is generated. An input signal generated from the touch panel is provided to the display panel, and the display panel provides an image corresponding to the input signal to the user in response to the input signal provided from the touch panel.

Recently, various types of display devices have been developed along with the technological development of display devices. For example, a flexible display device that can be deformed into a curved shape, folded or rolled is being developed. In addition, there is a demand for a method capable of improving the reliability of a touch panel used in a flexible display device.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a display device capable of improving reliability.

A display device according to an embodiment of the present invention includes a display panel and a touch sensing unit disposed on the display panel, wherein the touch sensing unit includes a plurality of first touch sensor units arranged in a first direction, the first direction a first connection unit connecting adjacent first touch sensor units among the first touch sensor units, a plurality of second touch sensor units arranged in a second direction crossing the first direction, and the second touch sensor unit in the second direction. a second connection part connecting adjacent second touch sensor parts among the second touch sensor parts, wherein the first connection part is insulated from the second touch sensor parts and is a predetermined portion of the adjacent second touch sensor parts Predetermined portions of the first connection portion extending toward the poles and adjacent to both ends of the first connection portion are connected to predetermined portions of the corresponding first touch sensor portion among the first touch sensor portions.

The display device further includes an insulating layer disposed on the first connection part, the first and second touch sensor parts and the second connection part are disposed on the insulating layer, and the first and second touch sensor parts are It has a mesh shape.

The predetermined portions of the first connection part adjacent to both ends of the first connection part are connected to the corresponding first touch sensor part through a plurality of contact holes defined through the insulating layer.

The predetermined portions of the first connection portion adjacent to both ends of the first connection portion are some of the mesh-shaped intersection points of the corresponding first touch sensor portion through a plurality of contact holes defined through the insulating layer connected to intersections.

In an embodiment of the present invention, the first connection portion of the touch sensing unit does not overlap the line with the second connection portion, but extends to overlap the adjacent second touch sensor portions to connect the adjacent first touch sensor portions. Accordingly, a parasitic capacitor of the touch sensing unit may be reduced, and a short circuit between the first connection part and the second connection part may be prevented from occurring during a manufacturing process, and thus the reliability of the display device may be improved.

1A is a perspective view illustrating a first operation of a display device according to an exemplary embodiment.
1B is a perspective view illustrating a second operation of a display device according to an exemplary embodiment.
1C is a perspective view illustrating a third operation of a display device according to an exemplary embodiment of the present invention.
2 is a cross-sectional view of a display device according to an exemplary embodiment.
3A and 3B are perspective views of a display device according to an exemplary embodiment.
4A is a perspective view of a display device according to an exemplary embodiment.
4B is a perspective view of a display device according to an exemplary embodiment.
5A is a plan view of an organic light emitting display panel according to an exemplary embodiment.
5B is a cross-sectional view of a display module according to an embodiment of the present invention.
6A is an equivalent circuit diagram of a pixel according to an embodiment of the present invention.
6B and 6C are cross-sectional views of a pixel according to an exemplary embodiment.
7A to 7C are cross-sectional views of thin film encapsulation layers according to an embodiment of the present invention.
8A is a cross-sectional view of a touch sensing unit according to an embodiment of the present invention.
8B is a plan view of a touch sensing unit according to an embodiment of the present invention.
8C to 8E are plan views of each layer of the touch sensing unit for explaining the planar structure of each layer of the touch sensing unit shown in FIG. 8B .
FIG. 9 is an enlarged view of the first area shown in FIG. 8A .
FIG. 10A is an enlarged view of the second area shown in FIG. 8A .
FIG. 10B is a diagram illustrating only the first and second touch sensor units and the second connection unit in FIG. 10A .
FIG. 10C is a view showing only the first connection part in FIG. 10A.
11 to 24 are plan views illustrating a part of a touch sensing unit according to various embodiments of the present disclosure.

Advantages and features of the present invention, and a method for achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, and only these embodiments allow the disclosure of the present invention to be complete, and those of ordinary skill in the art to which the present invention pertains. It is provided to fully inform the person of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

Reference to an element or layer “on” or “on” another element or layer includes not only directly on the other element or layer, but also with other layers or other elements intervening. include all On the other hand, reference to an element "directly on" or "directly on" indicates that no intervening element or layer is interposed. “and/or” includes each and every combination of one or more of the recited items.

Spatially relative terms "below", "beneath", "lower", "above", "upper", etc. It can be used to easily describe the correlation between an element or components and other elements or components. The spatially relative terms should be understood as terms including different orientations of the device during use or operation in addition to the orientation shown in the drawings. Like reference numerals refer to like elements throughout.

It should be understood that although first, second, etc. are used to describe various elements, components, and/or sections, these elements, components, and/or sections are not limited by these terms. These terms are only used to distinguish one element, component, or sections from another. Accordingly, it goes without saying that the first element, the first element, or the first section mentioned below may be the second element, the second element, or the second section within the spirit of the present invention.

Embodiments described herein will be described with reference to a plan view and a cross-sectional view, which are ideal schematic views of the present invention. Accordingly, the shape of the illustrative drawing may be modified due to manufacturing technology and/or tolerance. Accordingly, embodiments of the present invention are not limited to the specific form shown, but also include changes in the form generated according to the manufacturing process. Accordingly, the regions illustrated in the drawings have schematic properties, and the shapes of the regions illustrated in the drawings are intended to illustrate specific shapes of regions of the device, and not to limit the scope of the invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1A is a perspective view illustrating a first operation of a display device DD according to an exemplary embodiment. 1B is a perspective view illustrating a second operation of the display device DD according to an exemplary embodiment. 1C is a perspective view illustrating a third operation of a display device DD according to an exemplary embodiment.

As an embodiment of the present invention, a display device DD that can be applied to a smart phone is illustrated. However, the present invention is not limited thereto, and the display device DD according to an embodiment of the present invention may be applied to an electronic device such as a television, a personal computer, a notebook computer, a car navigation unit, a game machine, an acoustic electronic device, a smart watch, a camera, and the like. there is. Of course, these are presented only as examples, and may be employed in other electronic devices without departing from the concept of the present invention.

1A to 1C , in the first operation mode as shown in FIG. 1A , the display surface IS on which the image IM is displayed is a first direction axis DR1 and a first direction axis DR1 . It is parallel to a plane defined by the second direction axis DR2 intersecting with the . The third direction axis DR3 indicates the normal direction of the display surface IS, that is, the thickness direction of the display device DD. The front surface (or upper surface) and the rear surface (or lower surface) of each member are divided by the third direction axis DR3 . However, the directions indicated by the first to third direction axes DR1 , DR2 , and DR3 are relative concepts and may be converted into other directions. Hereinafter, the first to third directions refer to the same reference numerals as directions indicated by the first to third direction axes DR1 , DR2 , and DR3 , respectively.

1A to 1C illustrate a foldable display as an example of a flexible display DD. However, the present invention may be a rollable display device or a banded display device that is rolled, and is not particularly limited. Also, although the flexible display device is illustrated in the present embodiment, the present invention is not limited thereto. The display device DD according to the present exemplary embodiment may be a flat rigid display device.

As illustrated in FIG. 1A , the display surface IS of the flexible display device DD may include a plurality of regions. The flexible display device DD includes a display area DD-DA in which an image IM is displayed and a non-display area DD-NDA adjacent to the display area DD-DA. The non-display area DD-NDA is an area in which an image is not displayed. 1A shows a vase as an example of the image IM. As an example, the display area DD-DA may have a rectangular shape. The non-display area DD-NDA may surround the display area DD-DA. However, the present invention is not limited thereto, and the shape of the display area DD-DA and the shape of the non-display area DD-NDA may be designed relatively.

1A to 1C , the display device DD may include a plurality of regions defined according to an operation type. The display device DD includes the bending area BA, the first non-bending area NBA1, and the second non-bending area NBA2 that are bent on the basis of the bending axis BX. may include As illustrated in FIG. 1B , the display device DD is inner bent so that the display surface IS of the first non-bending area NBA1 and the display surface IS of the second non-bending area NBA2 face each other. -bending). As illustrated in FIG. 1C , the display device DD may be outer-bending so that the display surface IS is exposed to the outside.

In an embodiment of the present invention, the display device DD may include a plurality of bending areas BA. In addition, the bending area BA may be defined to correspond to a shape in which the user manipulates the display device DD. For example, unlike FIGS. 1B and 1C , the bending area BA may be defined in parallel to the first direction axis DR1 or may be defined in a diagonal direction. The area of the bending area BA is not fixed and may be determined according to a radius of curvature. In an embodiment of the present invention, the display device DD may be configured to repeat only the operation modes shown in FIGS. 1A and 1B .

2 is a cross-sectional view of a display device DD according to an exemplary embodiment. 2 illustrates a cross-section defined by the second direction axis DR2 and the third direction axis DR3.

Referring to FIG. 2 , the display device DD includes a protective film PM, a display module DM, an optical member LM, a window WM, a first adhesive member AM1, and a second adhesive member AM2. , and a third adhesive member AM3. The display module DM is disposed between the protective film PM and the optical member LM. The optical member LM is disposed between the display module DM and the window WM. The first adhesive member AM1 couples the display module DM and the protective film PM, the second adhesive member AM2 couples the display module DM and the optical member LM, and the third adhesive member (AM3) combines the optical member (LM) and the window (WM).

The protective film PM protects the display module DM. The protective film PM provides the first outer surface OS-L exposed to the outside, and provides an adhesive surface that is adhered to the first adhesive member AM1 . The protective film PM prevents external moisture from penetrating into the display module DM and absorbs external shocks.

The protective film PM may include a plastic film as a base layer. Protective film (PM) is polyethersulfone (PES, polyethersulfone), polyacrylate (polyacrylate), polyetherimide (PEI, polyetherimide), polyethylene naphthalate (PEN, polyethylenenaphthalate), polyethylene terephthalate (PET, polyethyleneterephthalate), poly phenylene sulfide (PPS, polyphenylene sulfide), polyarylate (polyarylate), polyimide (PI, polyimide), polycarbonate (PC, polycarbonate), poly(arylene ethersulfone), and combinations thereof It may include a plastic film comprising any one selected from the group consisting of.

The material constituting the protective film PM is not limited to plastic resins, and may include an organic/inorganic composite material. The protective film PM may include a porous organic layer and an inorganic material filled in pores of the organic layer. The protective film PM may further include a functional layer formed on the plastic film. The functional layer may include a resin layer. The functional layer may be formed by a coating method. In an embodiment of the present invention, the protective film PM may be omitted.

The window WM may protect the display module DM from external impact and may provide an input surface to the user. The window WM provides the second outer surface OS-U exposed to the outside, and provides an adhesive surface that is adhered to the third adhesive member AM3 . The display surface IS illustrated in FIGS. 1A to 1C may be the second outer surface OS-U.

The window WM may include a plastic film. The window WM may have a multi-layered structure. The window WM may have a multilayer structure selected from a glass substrate, a plastic film, or a plastic substrate. The window WM may further include a bezel pattern. The multi-layer structure may be formed through a continuous process or an adhesion process using an adhesive layer.

The optical member LM reduces external light reflectance. The optical member LM may include at least a polarizing film. The optical member LM may further include a retardation film. In an embodiment of the present invention, the optical member LM may be omitted.

The display module DM may include an organic light emitting display panel DP and a touch sensing unit TS . The touch sensing unit TS may be directly disposed on the organic light emitting display panel DP. In the present specification, "directly disposed" means that it is formed by a continuous process, except for attachment using a separate adhesive layer.

The organic light emitting display panel DP generates an image IM (refer to FIG. 1A ) corresponding to the input image data. The organic light emitting display panel DP provides a first display panel surface BS1-L and a second display panel surface BS1-U facing in the thickness direction DR3. Although the organic light emitting display panel DP has been exemplarily described in this embodiment, the display panel is not limited thereto.

The touch sensing unit TS acquires coordinate information of an external input. The touch sensing unit TS may sense an external input in a capacitive manner.

Although not shown separately, the display module DM according to an embodiment of the present invention may further include an anti-reflection layer. The anti-reflection layer may include a color filter or a multilayer structure of a conductive layer/insulating layer/conductive layer. The anti-reflection layer may reduce external light reflectance by absorbing, destructive interference, or polarizing light incident from the outside. The antireflection layer may replace the function of the optical member LM.

Each of the first adhesive member AM1, the second adhesive member AM2, and the third adhesive member AM3 is an optically clear adhesive film (OCA) or an optically clear adhesive resin (OCR). Alternatively, it may be an organic adhesive layer such as a pressure sensitive adhesive film (PSA). The organic adhesive layer may include an adhesive material such as polyurethane, polyacrylic, polyester, polyepoxy, or polyvinyl acetate. Consequently, the organic adhesive layer corresponds to one of the organic layers. As will be described later, the organic adhesive layer may cause bubbles.

Although not shown separately, the display device DD may further include a frame structure supporting the functional layers to maintain the state illustrated in FIGS. 1A to 1C . The frame structure may include a joint structure or a hinge structure.

3A and 3B are perspective views of a display device DD-1 according to an exemplary embodiment. FIG. 3A shows the display device DD-1 in an unfolded state, and FIG. 3B shows the display device DD-1 in a bent state.

3A and 3B , the display device DD-1 may include one bending area BA and one non-bending area NBA. The non-display area DD-NDA of the display device DD-1 may be bent. However, in an embodiment of the present invention, the bending area BA of the display device DD-1 may be changed. The non-bending area NBA is parallel to a plane defined by the first direction axis DR1 and the second direction axis DR2 . The bending area BA may be bent from one side of the non-bending area NDA in the first direction DR1 .

Unlike the display device DD illustrated in FIGS. 1A to 1C , the display device DD-1 according to the present exemplary embodiment may be fixed in a single shape to operate. The display device DD-1 may operate in a bent state as shown in FIG. 3B . The display device DD-1 may be fixed to a frame or the like in a bent state, and the frame may be coupled to a housing of the electronic device.

The display device DD-1 according to the present exemplary embodiment may have the same cross-sectional structure as shown in FIG. 2 . However, the non-bending area NBA and the bending area BA may have different stacked structures. The non-bending area NBA may have the same cross-sectional structure as shown in FIG. 2 , and the bending area BA may have a different cross-sectional structure from that illustrated in FIG. 2 . The optical member LM and the window WM may not be disposed in the bending area BA. That is, the optical member LM and the window WM may be disposed only in the non-bending area NBA. The second adhesive member AM2 and the third adhesive member AM3 may also not be disposed in the bending area BA.

4A is a perspective view of a display device DD-2 according to an exemplary embodiment.

Referring to FIG. 4A , the display surface IS of the display device DD-2 has a display area DD-DA in which an image is displayed and a non-display area DD in which an image is not displayed, as shown in FIGS. 1A to 1C . -NDA). Although the non-display area DD-NDA surrounding the display area DD-DA is illustrated as an example, the non-display area DD-NDA may be disposed on one side of the display area DD-DA, and the non-display area DD-NDA may be disposed on one side of the display area DD-DA. The area DD-NDA may be omitted.

The display device DD may include one non-bending area NBA and one bending area BA. The bending area BA may be bent from one side of the non-bending area NBA in the second direction DR2 . In the non-bending area NBA, the main image IM may be displayed on the front side, and the sub-image may be displayed on the side in the bending area BA. That is, the display area DD-DA disposed in the non-bending area NDA may extend to the bending area BA. 4 , a vase IM may be displayed as the main image IM, and an icon providing predetermined information may be displayed as a sub image.

4B is a perspective view of a display device DD-3 according to an exemplary embodiment.

The display device DD-3 includes a non-bending area NBA in which the main image is displayed on the front side, and a first bending area BA1 and a second bending area BA2 in which the sub image is displayed on the side surface. The first bending area BA1 and the second bending area BA2 may be bent from both sides of the non-bending area NBA.

5A is a plan view of an organic light emitting display panel DP according to an exemplary embodiment. 5B is a cross-sectional view of a display module DM according to an embodiment of the present invention.

Referring to FIG. 5A , the organic light emitting display panel DP includes a display area DA and a non-display area NDA in a plan view. The display area DA and the non-display area NDA of the organic light emitting display panel DP correspond to the display area DD-DA and the non-display area DD-NDA of the display device DD, respectively. The display area DA and the non-display area NDA of the organic light emitting display panel DP are not necessarily the same as the display area DD-DA and the non-display area DD-NDA of the display device DD. , may be changed according to the structure/design of the organic light emitting display panel DP.

The organic light emitting display panel DP includes a plurality of scan lines SL, a plurality of data lines DL, a plurality of light emitting lines EL, a plurality of first and second initialization lines SL-Vint1 , SL-Vint2), a plurality of first power lines SL-VDD1 and SL-VDD2, a second power line E-VSS, a plurality of pad parts PD, a plurality of signal connection lines SCL, It includes a scan-emission driving circuit SEDC and a plurality of pixels PX.

The pixels PX are disposed in the display area DA, and the non-display area NDA may be defined along the edge of the display area DA. The scan lines SL extend in the second direction DR2 and are respectively connected to a corresponding pixel PX among the plurality of pixels PX, and the data lines DL extend in the first direction DR1 . to be connected to a corresponding pixel PX among the plurality of pixels, and the emission lines EL extend in the second direction DR2 to be respectively connected to the corresponding pixel PX among the plurality of pixels.

The first power lines SL-VDD1 and SL-VDD2 include a plurality of first sub power lines SL-VDD1 extending in the first direction DR1 and the first sub power lines extending in the second direction DR2 . It includes a plurality of second power lines SL-VDD2 connected to the power lines SL-VDD1. The second power lines SL-VDD2 are connected to the pixels PX, and the first and second sub power lines SL-VDD1 and SL-VDD2 receive a first voltage. The first voltage may be defined as an anode voltage.

The first initialization lines SL-Vint1 extend in the first direction DR1 , and the second initialization lines SL-Vint2 extend in the second direction DR2 to form the first initialization lines SL-Vint1 ) is connected to The second initialization lines SL-Vint2 are connected to the pixels PX, and the first initialization lines SL-Vint1 receive an initialization voltage.

The scan-scan driver SEDC is disposed on one side of the non-display area NDA and is connected to the scan lines SL and the emission lines EL. The scan-scan driver SEDC may receive a control signal through a corresponding signal connection line SCL among the signal connection lines SCL, and generate scan signals and light emission signals in response to the received control signal. . The scan lines SL receive scan signals, and the light emitting lines EL receive light emitting signals.

The second power line E-VSS receives a second voltage, and the second voltage may be defined as a cathode voltage (or a ground voltage). Although not shown, the second voltage may be provided to the pixels PX through the second power line E-VSS. The signal connection lines SCL include the scan-emission driver SEDC, the data lines DL, the first sub power lines SL-VDD1 , the first initialization lines SL-Vint1 , and the second power source. The line E-VSS is connected to the pad parts PD.

Referring to FIG. 5B , the organic light emitting display panel DP includes a base layer SUB, a circuit layer DP-CL disposed on the base layer SUB, and a circuit layer DP-CL in the display area DA. and a light emitting device layer DP-OLED disposed thereon, and a thin film encapsulation layer TFE disposed on the circuit layer DP-CL and the light emitting device layer DP-OLED. The base layer SUB may include at least one plastic film. The base layer SUB is a flexible substrate and may include a plastic substrate, a glass substrate, a metal substrate, or an organic/inorganic composite substrate.

The circuit layer DP-CL may include a plurality of insulating layers, a plurality of conductive layers, and a semiconductor layer. The plurality of conductive layers of the circuit layer DP-CL may constitute signal lines or a control circuit of a pixel. The light emitting device layer DP-OLED includes organic light emitting diodes. The thin film encapsulation layer TFE seals the light emitting device layer DP-OLED.

The thin film encapsulation layer (TFE) includes an inorganic layer and an organic layer. The thin film encapsulation layer TFE may include at least two inorganic layers and an organic layer disposed therebetween. The inorganic layers protect the light emitting device layer (DP-OLED) from moisture/oxygen, and the organic layer protects the light emitting device layer (DP-OLED) from foreign substances such as dust particles. The inorganic layer may include a silicon nitride layer, a silicon oxynitride layer and a silicon oxide layer, a titanium oxide layer, or an aluminum oxide layer. The organic layer may include, but is not limited to, acrylic-based organic insects.

The touch sensing unit TS may be directly disposed on the thin film encapsulation layer TFE. However, the present invention is not limited thereto, and the buffer layer may be disposed on the thin film encapsulation layer TFE, and the touch sensing unit TS may be disposed on the buffer layer on the thin film encapsulation layer TFE. The buffer layer may include an inorganic layer or an organic layer. The touch sensing unit TS includes touch sensors and touch signal lines. The touch sensors and the touch signal lines may have a single-layer or multi-layer structure.

The touch sensors and the touch signal lines may include indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium tin zinc oxide (ITZO), PEDOT, metal nanowires, or graphene. The touch sensors and the touch signal lines may include a metal layer, for example, molybdenum, silver, titanium, copper, aluminum, or an alloy thereof. The touch sensors and the touch signal lines may have the same layer structure or different layer structures. Specific details of the touch sensing unit TS will be described later.

6A is an equivalent circuit diagram of a pixel PX according to an embodiment of the present invention. 6B and 6C are cross-sectional views of a pixel PX according to an exemplary embodiment.

6A , the i-th pixel PXi connected to the k-th data line DLk among the data lines DL is illustrated as an example. 6B is a cross-sectional view of a portion corresponding to the first transistor T1 of the equivalent circuit shown in FIG. 6A. FIG. 6C is a cross-sectional view of a portion corresponding to the second transistor T2, the sixth transistor T6, and the organic light emitting diode (OLED) of the equivalent circuit shown in FIG. 6A .

Referring to FIG. 6A , the i-th pixel PXi is activated in response to the i-th scan signal Si applied to the i-th scan line SLi. The i-th pixel PXi includes an organic light emitting diode OLED and a pixel driving circuit for controlling the organic light emitting diode. The pixel driving circuit may include seven thin film transistors T1 to T7 and one capacitor Cst. Although the pixel driving circuit including seven thin film transistors T1 to T7 and one capacitor Cst is illustrated as an example, the pixel PXi is a driving circuit for driving the organic light emitting diode OLED. It is sufficient to include a transistor (T1, or driving transistor), a second transistor (T2, or a switching transistor), and a capacitor (Cst), and the pixel driving circuit may be variously modified.

The driving transistor controls the driving current supplied to the organic light emitting diode (OLED). The output electrode of the second transistor T2 is electrically connected to the organic light emitting diode OLED. The output electrode of the second transistor T2 may be in direct contact with the anode of the organic light emitting diode OLED or may be connected via another transistor (the sixth transistor T6 in this embodiment).

A control electrode of the control transistor may receive a control signal. The control signal applied to the i-th pixel PXi includes an i-1 th scan signal Si-1, an i-th scan signal Si, an i+1th scan signal Si+1, a data signal Di, and an i-th emission control signal Ei. In an embodiment of the present invention, the control transistor may include a first transistor T1 and third to seventh transistors T3 to T7.

The first transistor T1 includes an input electrode connected to the k-th data line DLk, a control electrode connected to the i-th scan line SLi, and an output electrode connected to the output electrode of the second transistor T2 do. The first transistor T1 is turned on by the scan signal Si applied to the i-th scan line SLi, hereinafter referred to as the i-th scan signal), and the data signal Dk applied to the k-th data line DLk. is provided to the storage capacitor (Cst).

6B and 6C , a buffer layer BFL may be disposed on the base layer SUB. The buffer layer BFL improves bonding strength between the base layer SUB and the conductive patterns or semiconductor patterns. The buffer layer BFL may include an inorganic layer. Although not shown separately, a barrier layer that prevents foreign substances from entering may be further disposed on the upper surface of the base layer SUB. The buffer layer BFL and the barrier layer may be selectively disposed/omitted.

On the buffer layer BFL, the semiconductor pattern OSP1 of the first transistor T1 (hereinafter, referred to as the first semiconductor pattern), the semiconductor pattern of the second transistor T2 (OSP2: hereinafter referred to as the second semiconductor pattern), and the sixth transistor T6 are disposed on the buffer layer BFL. A semiconductor pattern OSP6 (hereinafter referred to as a sixth semiconductor pattern) is disposed. The first semiconductor pattern OSP1 , the second semiconductor pattern OSP2 , and the sixth semiconductor pattern OSP6 may be selected from amorphous silicon, polysilicon, and metal oxide semiconductors.

A first insulating layer 10 may be disposed on the first semiconductor pattern OSP1 , the second semiconductor pattern OSP2 , and the sixth semiconductor pattern OSP6 . 6B and 6C exemplarily show that the first insulating layer 10 is provided in the form of a layer covering the first semiconductor pattern OSP1, the second semiconductor pattern OSP2, and the sixth semiconductor pattern OSP6. However, the first insulating layer 10 may be provided in a pattern disposed to correspond to the first semiconductor pattern OSP1 , the second semiconductor pattern OSP2 , and the sixth semiconductor pattern OSP6 .

The first insulating layer 10 may include a plurality of inorganic layers. The plurality of inorganic layers may include a silicon nitride layer, a silicon oxynitride layer, and a silicon oxide layer.

On the first insulating layer 10 , a control electrode (GE1: hereinafter, first control electrode) of the first transistor T1, a control electrode (GE2: hereinafter, second control electrode) of the second transistor T2, a sixth A control electrode GE6 (hereinafter, referred to as a sixth control electrode) of the transistor T6 is disposed. The first control electrode GE1 , the second control electrode GE2 , and the sixth control electrode GE6 may be manufactured according to the same photolithography process as the scan lines SL (refer to FIG. 5A ).

A second insulating layer 20 covering the first control electrode GE1 , the second control electrode GE2 , and the sixth control electrode GE6 may be disposed on the first insulating layer 10 . The second insulating layer 20 may provide a flat top surface. The second insulating layer 20 may include an organic material and/or an inorganic material.

On the second insulating layer 20 , an input electrode SE1 and an output electrode DE1 of the first transistor T1 and an input electrode DE1 of the second transistor T2 are formed on the second insulating layer 20 . SE2: Hereinafter, a second input electrode) and an output electrode (DE2: a second output electrode), and an input electrode (SE6: hereinafter, a sixth input electrode) and an output electrode (DE6: a sixth output) of the sixth transistor T6 electrode) is placed.

The first input electrode SE1 and the first output electrode DE1 form a first through hole CH1 and a second through hole CH2 passing through the first insulating layer 10 and the second insulating layer 20 . are respectively connected to the first semiconductor pattern OSP1 through the The second input electrode SE2 and the second output electrode DE2 form a third through hole CH3 and a fourth through hole CH4 passing through the first insulating layer 10 and the second insulating layer 20 . through the second semiconductor pattern OSP2. The sixth input electrode SE6 and the sixth output electrode DE6 form a fifth through hole CH5 and a sixth through hole CH6 passing through the first insulating layer 10 and the second insulating layer 20 . are respectively connected to the sixth semiconductor pattern OSP6 through the Meanwhile, in another embodiment of the present invention, some of the first transistor T1 , the second transistor T2 , and the sixth transistor T6 may be modified into a bottom gate structure.

On the second insulating layer 20 , a first input electrode SE1 , a second input electrode SE2 , a sixth input electrode SE6 , a first output electrode DE1 , a second output electrode DE2 , a second 6 A third insulating layer 30 covering the output electrode DE6 is disposed. The third insulating layer 30 includes an organic layer and/or an inorganic layer. In particular, the third insulating layer 30 may include an organic material to provide a flat surface.

Any one of the first insulating layer 10 , the second insulating layer 20 , and the third insulating layer 30 may be omitted depending on the circuit structure of the pixel. Each of the second insulating layer 20 and the third insulating layer 30 may be defined as an interlayer insulating layer. The interlayer insulating layer is disposed between the conductive pattern disposed below and the conductive pattern disposed above the interlayer insulating layer to insulate the conductive patterns.

A pixel defining layer PDL and an organic light emitting diode OLED are disposed on the third insulating layer 30 . The first electrode AE is disposed on the third insulating layer 30 . The first electrode AE is connected to the sixth output electrode DE6 through the seventh through hole CH7 penetrating the third insulating layer 30 . An opening OP is defined in the pixel defining layer PDL. The opening OP of the pixel defining layer PDL exposes at least a portion of the first electrode AE.

The pixel PX may be disposed in the pixel area on a plane. The pixel area may include an emission area PXA and a non-emission area NPXA adjacent to the emission area PXA. The non-emission area NPXA may be disposed to surround the light emission area PXA. In the present exemplary embodiment, the emission area PXA is defined to correspond to a partial area of the first electrode AE exposed by the opening OP.

The hole control layer HCL may be commonly disposed in the light emitting area PXA and the non-emission area NPXA. Although not shown separately, a common layer such as the hole control layer HCL may be commonly formed in the plurality of pixels PX (refer to FIG. 5A ).

An emission layer EML is disposed on the hole control layer HCL. The emission layer EML may be disposed in a region corresponding to the opening OP. That is, the emission layer EML may be formed separately in each of the plurality of pixels PX. The emission layer EML may include an organic material and/or an inorganic material. Although the patterned emission layer EML is illustrated as an example in this embodiment, the emission layer EML may be commonly disposed in the plurality of pixels PX. In this case, the emission layer EML may generate white light. In addition, the light emitting layer EML may have a multi-layered structure.

An electronic control layer ECL is disposed on the emission layer EML. Although not shown separately, the electronic control layer ECL may be formed in common in the plurality of pixels PX (refer to FIG. 5A ). The second electrode CE is disposed on the electronic control layer ECL. The second electrode CE is commonly disposed in the plurality of pixels PX.

A thin film encapsulation layer TFE is disposed on the second electrode CE. The thin film encapsulation layer TFE is commonly disposed on the plurality of pixels PX. In this embodiment, the thin film encapsulation layer TFE directly covers the second electrode CE. In an embodiment of the present invention, a capping layer covering the second electrode CE may be further disposed between the thin film encapsulation layer TFE and the second electrode CE. In this case, the thin film encapsulation layer TFE may directly cover the capping layer.

7A to 7C are cross-sectional views of thin film encapsulation layers TFE1, TFE2, and TFE3 according to an embodiment of the present invention.

Referring to FIG. 7A , the thin film encapsulation layer TFE1 may include n inorganic layers IOL1 to IOLn. The thin film encapsulation layer TFE1 includes n-1 organic layers OL1 to OLn-1, and n-1 organic layers OL1 to OLn-1 alternate with n inorganic layers IOL1 to IOLn. can be arranged. The n-1 organic layers OL1 to OLn-1 may have a thickness greater than that of the n inorganic layers IOL1 to IOLn on average.

Each of the n inorganic layers IOL1 to IOLn may be a single layer including one material, or may have multiple layers each including a different material. Each of the n-1 organic layers OL1 to OLn-1 may be formed by providing organic monomers. For example, each of the n-1 organic layers OL1 to OLn-1 may be formed using an inkjet printing method or may be formed by coating a composition including an acrylic monomer.

7B and 7C , the inorganic layers included in each of the thin film encapsulation layers TFE2 and TFE3 may have the same or different inorganic materials, and may have the same or different thicknesses. The organic layers included in each of the thin film encapsulation layers TFE2 and TFE3 may have the same or different organic materials, and may have the same or different thicknesses.

As shown in FIG. 7B , the thin film encapsulation layer TFE2 includes a sequentially stacked first inorganic layer IOL1 , a first organic layer OL1 , a second inorganic layer IOL2 , a second organic layer OL2 , and A third inorganic layer IOL3 may be included. The first inorganic layer IOL1 may have a two-layer structure. The first sub-layer S1 and the second sub-layer S2 of the first inorganic layer IOL1 may include different inorganic materials.

7C , the thin film encapsulation layer TFE3 may include a first inorganic layer IOL10, a first organic layer OL1, and a second inorganic layer IOL20 sequentially stacked. The first inorganic layer IOL10 may have a two-layer structure. The first sub-layer S10 and the second sub-layer S20 of the first inorganic layer IOL10 may include different inorganic materials.

The second inorganic layer IOL20 may have a two-layer structure. The second inorganic layer IOL20 may include a first sub-layer S100 and a second sub-layer S200 deposited in different deposition environments. The first sub-layer S100 may be deposited under a low-power condition, and the second sub-layer S200 may be deposited under a high-power condition. The first sub-layer S100 and the second sub-layer S200 may include the same inorganic material.

8A is a cross-sectional view of a touch sensing unit TS according to an embodiment of the present invention. 8B is a plan view of a touch sensing unit TS according to an embodiment of the present invention. 8C to 8E are plan views of each layer of the touch sensing unit TS for explaining the planar structure of each layer of the touch sensing unit TS shown in FIG. 8B .

Referring to FIG. 8A , the touch sensing unit TS includes a first conductive layer TS-CL1, a first insulating layer TS-IL1 (hereinafter, a first touch insulating layer), a second conductive layer TS-CL2, and a second insulating layer (TS-IL2, hereinafter referred to as a second touch insulating layer). The first conductive layer TS-CL1 may be directly disposed on the thin film encapsulation layer TFE. The present invention is not limited thereto, and a buffer layer may be disposed between the first conductive layer TS-CL1 and the thin film encapsulation layer TFE, and the first conductive layer TS-CL1 is formed on the buffer layer on the thin film encapsulation layer TFE. can be placed. The buffer layer may include an inorganic layer or an organic layer.

Each of the first conductive layer TS-CL1 and the second conductive layer TS-CL2 may have a single-layer structure or a multi-layer structure stacked along the third direction axis DR3 . The multi-layered conductive layer may include at least two or more of transparent conductive layers and metal layers. The multi-layered conductive layer may include metal layers including different metals. The transparent conductive layer may include indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium tin zinc oxide (ITZO), PEDOT, metal nanowires, or graphene. The metal layer may include molybdenum, silver, titanium, copper, aluminum, and alloys thereof.

Each of the first conductive layer TS-CL1 and the second conductive layer TS-CL2 includes a plurality of patterns. Hereinafter, it will be described that the first conductive layer TS-CL1 includes first conductive patterns and the second conductive layer TS-CL2 includes second conductive patterns. Each of the first conductive patterns and the second conductive patterns may include touch electrodes and touch signal lines.

Each of the first touch insulating layer TS-IL1 and the second touch insulating layer TS-IL2 may include an inorganic material or an organic material. The inorganic material may include at least one of aluminum oxide, titanium oxide, silicon oxide, silicon oxynitride, zirconium oxide, and hafnium oxide. The organic material is at least one of acrylic resins, methacrylic resins, polyisoprene, vinyl resins, epoxy resins, urethane resins, cellulose resins, siloxane resins, polyimide resins, polyamide resins, and perylene resins. may include

Each of the first touch insulating layer TS-IL1 and the second touch insulating layer TS-IL2 may have a single-layer or multi-layer structure. Each of the first touch insulating layer TS-IL1 and the second touch insulating layer TS-IL2 may include at least one of an inorganic layer and an organic layer. The inorganic layer and the organic layer may be formed by a chemical vapor deposition method.

For the first touch insulating layer TS-IL1 , it is sufficient to insulate the first conductive layer TS-CL1 and the second conductive layer TS-CL2 , and the shape thereof is not limited. The shape of the first touch insulating layer TS-IL1 may be changed according to the shapes of the first conductive patterns and the second conductive patterns. The first touch insulating layer TS-IL1 may entirely cover the thin film encapsulation layer TFE or may include a plurality of insulating patterns. It is sufficient if the plurality of insulating patterns overlap the first connection parts CP1 or second connection parts CP2 to be described later.

Although the two-layer type touch sensing unit is illustrated as an example in this embodiment, the present invention is not limited thereto. The single-layer touch sensing unit includes a conductive layer and an insulating layer covering the conductive layer. The conductive layer includes touch sensors and touch signal lines connected to the touch sensors. The tomographic touch sensing unit may acquire coordinate information in a self-cap method.

Referring to FIG. 8B , the touch sensing unit TS includes first touch electrodes TE1 , first touch signal lines TSL1 connected to the first touch electrodes TE1 , and second touch electrodes TE2 . , second touch signal lines TSL2 connected to second touch electrodes TE2 , and touch pad units TPD connected to first and second touch signal lines TSL1 and TSL2 . The first touch electrodes TE1 , the second touch electrodes TE2 , and the first and second touch signal lines TSL1 and TSL2 are disposed in the display area DA, and the touch pad parts TPD are It is disposed in the non-display area NDA.

Each of the first touch electrodes TE1 may have a mesh shape in which a plurality of touch openings are defined. The first touch electrodes TE1 extend in the first direction DR1 and are arranged in the second direction DR2 . Each of the first touch electrodes TE1 includes a plurality of first touch sensor parts SP1 and a plurality of first connection parts CP1 . The first touch sensor units SP1 are arranged in the first direction DR1 . Each of the first connection parts CP1 connects two adjacent first touch sensor parts SP1 among the first touch sensor parts SP1. Although not specifically illustrated, the first touch signal lines TSL1 may also have a mesh shape.

The second touch electrodes TE2 are insulated from and cross the first touch electrodes TE1 . Each of the second touch electrodes TE2 may have a mesh shape in which a plurality of touch openings are defined. The second touch electrodes TE2 extend in the second direction DR2 and are arranged in the first direction DR1 . Each of the second touch electrodes TE2 includes a plurality of second touch sensor units SP2 and a plurality of second connection units CP2 . The second touch sensor units SP2 are arranged in the second direction DR2 . Each of the second connection parts CP2 connects two adjacent second touch sensor parts SP2 among the second touch sensor parts SP2 . Although not shown, the second touch signal lines TSL2 may also have a mesh shape.

The first touch electrodes TE1 and the second touch electrodes TE2 do not overlap each other and are alternately disposed. The first touch electrodes TE1 and the second touch electrodes TE2 are electrostatically coupled. As touch sensing signals are applied to the first touch electrodes TE1 , capacitors are formed between the first touch sensor units SP1 and the second touch sensor units SP2 .

First touch sensor units SP1 , first connection units CP1 , and first touch signal lines SL1 , second touch sensor units SP2 , second connection units CP2 , and a second touch signal Some of the lines SL2 may be formed by patterning the first conductive layer TS-CL1 illustrated in FIG. 8A , and the rest may be formed by patterning the second conductive layer TS-CL2 illustrated in FIG. 8A . there is. In order to electrically connect conductive patterns disposed on different layers, a contact hole passing through the first touch insulating layer TS-IL1 shown in FIG. 8A may be formed.

Referring to FIG. 8C , first conductive patterns TS-CL1 are disposed on the thin film encapsulation layer TFE. The first conductive patterns TS-CL1 may include bridge patterns CP1 . The bridge patterns CP1 may be disposed on the thin film encapsulation layer TFE. The bridge patterns CP1 correspond to the first connection parts CP1 illustrated in FIG. 8B .

The first connection parts CP1 do not cross the second connection parts CP2 and may extend to cross the adjacent second touch sensor parts SP2 . Specific shapes of the first connection parts CP1 will be described in detail below with reference to FIGS. 10A to 10C .

Referring to FIG. 8D , a first touch insulating layer TS-IL1 covering the bridge patterns CP1 is disposed on the thin film encapsulation layer TFE. Contact holes CH partially exposing the bridge patterns CP1 are defined in the first touch insulating layer TS-IL1 . Contact holes CH may be formed by a photolithography process.

Referring to FIG. 8E , second conductive patterns TS-CL2 are disposed on the first touch insulating layer TS-IL1 . The second conductive patterns TS-CL2 include the first touch sensor units SP1 , the second connection units CP2 , the first touch signal lines SL1 , the second touch sensor units SP2 , and the second touch unit. It may include signal lines SL2. Although not shown separately, the second touch insulating layer TS-IL2 covering the second conductive patterns TS-CL2 is disposed on the first touch insulating layer TS-IL1 . The first connection parts CP1 may connect the first touch sensor parts SP1 through a plurality of contact holes CH defined through the first touch insulating layer TS-IL1 .

The structure is not limited to the above-described structure, and in an embodiment of the present invention, the first conductive patterns TS-CL1 include the first touch electrodes TE1 , the first connection parts CP1 , and the first touch signal lines. (SL1). The second conductive patterns TS-CL2 may include second touch electrodes TE2 , second connection portions CP2 , and second touch signal lines SL2 . In this case, the first touch Contact holes CH are not defined in the insulating layer TS-IL1. Also, in an embodiment of the present invention, the first conductive patterns TS-CL1 and the second conductive patterns TS-CL2 may be interchanged. That is, the second conductive patterns TS-CL2 may include the bridge patterns CP1 .

9 is an enlarged view of the first area A1 illustrated in FIG. 8B .

FIG. 9 is a diagram for substantially explaining the shape of the pixels PX according to an embodiment of the present invention, and for convenience of explanation, FIG. The planar shape of the poles PX is shown.

The pixels PX include a plurality of pixel areas PXA and non-pixel areas NPXA around the pixel areas. Each of the pixel areas PXA may be the pixel area PXA illustrated in FIG. 6C . The pixel areas PXA may display a red color, a green color, or a blue color. However, the present invention is not limited thereto, and the pixel areas PXA may further include pixels for displaying a magenta, cyan, or white color. The pixel areas PXA may have different sizes according to colors to be displayed.

A direction crossing the first and second directions DR1 and DR2 on a plane parallel to the first and second directions DR1 and DR2 is defined as a first diagonal direction DDR1 . Also, a direction crossing the first diagonal direction DDR1 on a plane parallel to the first direction DR1 and the second direction DR2 may be defined as the second diagonal direction DDR2 . The pixel areas PXA may have a diamond shape and may be arranged in a first diagonal direction DDR1 and a second diagonal direction DDR2 .

The first and second touch sensor units SP1 and SP2 having a mesh shape may be disposed to overlap the non-pixel area NPAX. The touch openings TOP of the first and second touch sensor units SP1 and SP2 may have a rhombus shape corresponding to the shape of the pixel areas PXA, and may have a size corresponding to the pixel areas PXA. there is. Among the pixel areas PXA, the pixel areas PXA except for the pixel areas PXA adjacent to the first touch sensor units SP1 and the second touch sensor units SP2 are first and second touch sensor units. It may overlap the touch openings TOP of (SP1, SP2). The size of the touch openings TOP may correspond to the size of the pixel areas PXA.

10A is an enlarged view of the second area A2 illustrated in FIG. 8B . FIG. 10B is a diagram illustrating only the first and second touch sensor units SP1 and SP2 and the second connection unit CP2 in FIG. 10A . FIG. 10C is a view illustrating only the first connection part CP1 in FIG. 10A .

For convenience of explanation, the touch openings shown in FIGS. 10A and 10B are not drawn in different sizes as in FIG. 9, but are shown in the same manner so that only the mesh shape is shown.

10A, 10B, and 10C , the first connection part CP1 extends so as not to overlap the second connection part CP2 to connect two adjacent first touch sensor parts SP1. The second connection part CP2 connects two adjacent second touch sensor parts SP2 to each other.

The second connection part CP2 , the first touch sensor parts SP1 , and the second touch sensor parts SP2 may be simultaneously patterned and formed of the same material. The first connection part CP1 extends to intersect the second touch sensor parts SP2 in a predetermined area of each of the second touch sensor parts SP2 adjacent to the second connection part CP2 to cross the first touch sensor parts SP1 . is connected to The first connection part CP1 is insulated from the second touch sensor parts SP2 by the first touch insulating layer TS-IL1 and extends to cross.

Specifically, each of the first touch sensor parts SP1 includes a plurality of first branch parts BP1 extending in the first diagonal direction DDR1 and first branch parts BP1 extending in the second diagonal direction DDR2 . and a plurality of second branch portions BP2 crossing the . The first branch parts BP1 and the second branch parts BP2 are connected to each other to form the above-described plurality of touch openings TOP. The first branch parts BP1 and the second branch parts BP2 may be integrally formed. The first branch parts BP1 and the second branch parts BP2 may be defined as mesh lines.

The first branch parts BP1 may extend outwardly than the second branch parts BP2 disposed at the outermost side in the first diagonal direction DDR1 . The second branch parts BP2 may extend outwardly than the first branch parts BP1 disposed at the outermost side in the second diagonal direction DDR2 .

Each of the second touch sensor parts SP2 includes a plurality of third branch parts BP3 extending in the first diagonal direction DDR1 and a plurality of third branch parts BP3 extending in the second diagonal direction DDR2 to intersect the third branch parts BP3. It includes a plurality of fourth branch parts BP4. The third branch parts BP3 and the fourth branch parts BP4 are connected to each other to form the plurality of touch openings TOP described above. The third branch parts BP3 and the fourth branch parts BP4 may be integrally formed. The third branch parts BP3 and the fourth branch parts BP4 may be defined as mesh lines. The line width of the mesh line may be several micrometers.

The third branch parts BP3 may extend outwardly than the fourth branch parts BP4 disposed at the outermost side in the first diagonal direction DDR1 . The fourth branch parts BP4 may extend outwardly than the third branch parts BP3 disposed at the outermost side in the second diagonal direction DDR2 .

The first connection part CP1 includes a first extension part EX1 and a second extension part EX2 having a shape symmetrical to the first extension part EX1 . The first extension part EX1 and the second extension part EX2 do not overlap the second connection part CP2 by being disposed with the second connection part CP2 therebetween.

The first extension part EX1 intersects one second touch sensor part SP2 of the adjacent second touch sensor parts SP2 and connects the adjacent first touch sensor parts SP1. The second extension part EX2 intersects another second touch sensor part SP2 among the adjacent second touch sensor parts SP2 to connect the adjacent first touch sensor parts SP1.

The first touch sensor units SP1 adjacent to each other are positioned above the first sub touch sensor unit SSP1_1 on a plane parallel to the first sub touch sensor unit SSP1_1 and the first and second directions DR1 and DR2. It may include an arranged second sub-touch sensor unit SSP1_2. The second touch sensor units SP2 adjacent to each other are on the left side of the third sub touch sensor unit SSP2_1 on a plane parallel to the third sub touch sensor unit SSP2_1 and the first and second directions DR1 and DR2. It may include an arranged fourth sub touch sensor unit SSP2_2.

A predetermined area of the first extension EX1 adjacent to one side of the first extension EX1 is connected to the first sub-touch sensor unit SSP1_1 through a plurality of contact holes CH. A predetermined area of the first extension EX1 adjacent to the other side of the first extension EX1 is connected to the second sub-touch sensor unit SSP1_2 through a plurality of contact holes CH.

A predetermined area of the second extension EX1 adjacent to one side of the second extension EX2 is connected to the first sub-touch sensor unit SSP1_1 through a plurality of contact holes CH. A predetermined area of the second extension EX1 adjacent to the other side of the second extension EX2 is connected to the second sub-touch sensor unit SSP1_2 through a plurality of contact holes CH. The first extension part EX1 may extend to cross the third sub touch sensor part SSP2_1 . The second extension EX2 may extend to cross the fourth sub touch sensor unit SSP2_2 .

The first extension part EX1 includes the first sub extension part EX1_1 and the second sub extension part EX1_2 extending in the first diagonal direction DDR1 , and a third sub extension part extending in the second diagonal direction DDR2 . The part EX1_3 and the fourth sub extension part EX1_4 , the first sub connection part SCP1 extending in the second diagonal direction DDR2 , and the second sub connection part SCP2 extending in the first diagonal direction DDR1 . includes The second sub-extension part EX1_2 has a shorter length than the first sub-extension part EX1_1 , and the fourth sub-extension part EX1_4 has a shorter length than the third sub extension part EX1_3 .

A predetermined area of the first sub extension EX1_1 adjacent to one side of the first sub extension EX1_1 is connected to the first sub touch sensor unit SSP1_1 through a plurality of contact holes CH. A predetermined area of the second sub extension EX1_2 adjacent to one side of the second sub extension EX1_2 is connected to the first sub touch sensor unit SSP1_1 through a plurality of contact holes CH. Exemplarily, the first sub extension part EX1_1 and the second sub extension part EX1_2 are respectively connected to the first sub touch sensor part SSP1_1 through two contact holes CH, but contact holes CH ) is not limited thereto, and may be larger than this.

A predetermined area of the third sub extension EX1_3 adjacent to one side of the third sub extension EX1_3 is connected to the second sub touch sensor unit SSP1_2 through a plurality of contact holes CH. A predetermined area of the fourth sub extension EX1_4 adjacent to one side of the fourth sub extension EX1_4 is connected to the second sub touch sensor unit SSP1_2 through a plurality of contact holes CH. Exemplarily, the third sub extension part EX1_3 and the fourth sub extension part EX1_4 are respectively connected to the second sub touch sensor part SSP1_2 through two contact holes CH, but contact holes CH ) is not limited thereto, and may be larger than this.

The other end of the first sub extension EX1_1 is connected to the other end of the third sub extension EX1_3 , and the other end of the second sub extension EX1_2 is connected to the other end of the fourth sub extension EX1_4 . The first sub-connection part SCP1 extends in the second diagonal direction DDR2 from the other side of the fourth sub-extension part EX1_4 and is connected to the first sub extension part EX1_1 . The second sub connection part SCP2 extends in the first diagonal direction DDR1 from the other side of the second sub extension part EX1_2 and is connected to the third sub extension part EX1_3.

The first sub extension part EX1_1 , the second sub extension part EX1_2 , the third sub extension part EX1_3 , the fourth sub extension part EX1_4 , the first sub connection part SCP1 , and the second sub connection part ( SCP2) can be formed integrally.

The first and second sub extensions EX1_1 and EX1_2 have a predetermined number of fourth branches adjacent to the first sub touch sensor unit SSP1_1 among the fourth branches BP4 of the third sub touch sensor unit SSP2_1 . It extends to intersect the parts BP4. For example, although the two fourth branch parts BP4 intersect the first and second sub-extension parts EX1_1 and EX1_2 in FIG. 10A , the number of the intersecting fourth branch parts BP4 is not limited thereto. The third branch parts BP3 of the third sub touch sensor part SSP2_1 are not disposed in the area overlapping the first and second sub extension parts EX1_1 and EX1_2 and the second sub connection part SCP2 .

The third and fourth sub extensions EX1_3 and EX1_4 have a predetermined number of third branches adjacent to the first sub touch sensor unit SSP1_1 among the third branches BP3 of the third sub touch sensor unit SSP2_1 . It extends to intersect the parts BP3. For example, although the two third branch parts BP3 intersect the third and fourth sub-extension parts EX1_3 and EX1_4 in FIG. 10A , the number of the intersecting third branch parts BP3 is not limited thereto. The fourth branch parts BP4 of the third sub touch sensor unit SSP2_1 are not disposed in the area overlapping the third and fourth sub extension parts EX1_3 and EX1_4 and the first sub connection part SCP1 .

A configuration in which the first and second sub extensions EX1_1 and EX1_2 intersect the fourth branch parts BP4 and the third and fourth sub extension parts EX1_3 and EX1_4 intersect the third branch parts BP3 A configuration arranged to intersect may be defined as a point overlap.

The second extension EX2 includes a fifth sub extension EX2_1 and a sixth sub extension EX2_2 extending in the second diagonal direction DDR2 , and a seventh sub extension extending in the first diagonal direction DDR1 . The part EX2_3 and the eighth sub extension part EX2_4 , the third sub connection part SCP3 extending in the first diagonal direction DDR1 , and the fourth sub connection part SCP4 extending in the second diagonal direction DDR2 . includes

Since the second extension part EX2 has a structure symmetrical to the first extension part EX1 , the fifth to eighth sub extension parts EX2_1 to EX2_4 and the third and fourth sub connection parts SCP3 and SCP4 has a structure symmetrical to the first to fourth sub extension parts EX1_1 to EX1_4 and the first and second sub connection parts SCP1 and SCP2, respectively. Accordingly, a predetermined area of each of the fourth to eighth sub extensions EX2_1 to EX2_4 adjacent to one side of each of the fourth to eighth sub extensions EX2_1 to EX2_4 is formed through the plurality of contact holes CH. It is connected to the first and second sub-touch sensor units SSP1_1 and SSP1_2.

The first to fourth sub extensions EX1_1 to EX1_4 connect the first and second sub touch sensor units SSP1_1 and SSP1_2 via the third sub touch sensor unit SSP2_1 in the same manner as in the manner in which the fourth to fourth sub extensions EX1_1 to EX1_4 are connected. The eighth sub extensions EX2_1 to EX2_4 connect the first and second sub touch sensor units SSP1_1 and SSP1_2 via the fourth sub touch sensor unit SSP2_2. The third and fourth branches BP3 of the fourth sub touch sensor unit SSP2_2 in an area overlapping the fifth to eighth sub extensions EX2_1 to EX2_4 and the third and fourth sub connection parts SCP3 and SCP4 ,BP4) is not placed.

Since the second extension part EX2 has a structure symmetrical to the first extension part EX1 , a more detailed description of the second extension part EX2 will be omitted.

The second connection unit CP2 has a mesh structure and connects the third sub touch sensor unit SSP2_1 and the fourth sub touch sensor unit SSP2_2. For example, although the configuration of the second connection part CP2 having a configuration in which two diamond shapes are connected is illustrated in FIG. 10A , if it has a mesh shape, the configuration of the second connection part CP2 is not limited thereto.

When the first connection part having a mesh shape extends to overlap the second connection part CP to connect the first touch sensor parts SP1 , a predetermined portion of the first connection part is formed between a predetermined part of the second connection part CP and a predetermined portion of the second connection part CP. Lines can overlap. The line overlap may be defined as a state in which a branch portion of the first connection portion extending in the same direction and a branch portion of the second connection portion CP2 overlap each other.

In this case, a capacitor is formed between the first connection part and the second connection part CP2 to increase the parasitic capacitor. When the parasitic capacitor increases, the touch sensing signal may not be normally output. Also, during the manufacturing process in the portion where the lines overlap, the first connection part and the second connection part CP2 may be shorted. As a result, the reliability of the touch sensing unit TS may be deteriorated.

In an embodiment of the present invention, the first connection part CP1 does not overlap the line with the second connection part CP2 , but extends to overlap the adjacent second touch sensor parts SP2 to overlap the adjacent first touch sensor parts SP1 . connect Accordingly, the parasitic capacitor of the touch sensing unit TS is reduced, and it is possible to prevent a short circuit between the first connection part CP1 and the second connection part CP2 during the manufacturing process, so that the reliability of the touch sensing unit TS is improved. can be improved As a result, the reliability of the display device DD may be improved.

11 to 24 are plan views illustrating a part of a touch sensing unit according to various embodiments of the present disclosure.

For convenience of description, plan views corresponding to the second area A2 illustrated in FIG. 10A are shown in FIGS. 11 to 24 .

Hereinafter, a configuration of a touch sensing unit according to various embodiments of the present disclosure will be described with reference to FIGS. 11 to 24 . The touch sensing unit according to various embodiments shown in FIGS. 11 to 24 will be mainly described with respect to differences from the touch sensing unit TS shown in FIGS. 8B and 10A to 10C , and parts not described are 8b and the description related to FIGS. 10A to 10C .

Referring to FIG. 11 , the first connection part CP1_1 includes a first extension part EX3 and a second extension part EX4 disposed with the second connection part CP2 therebetween. The first extension EX3 and the second extension EX4 are symmetrical to each other.

The first extension EX3 includes first, second, third, and fourth sub extensions EX3_1 , EX3_2 , EX3_3 , and EX3_4 , and first and second sub connection parts SCP1_1 and SCP1_2 . The length of each of the first and third sub extensions EX3_1 and EX3_3 is smaller than the length of each of the first and third sub extensions EX1_1 and EX1_3 illustrated in FIG. 10A , and the second and fourth sub extensions ( A length of each of EX3_2 and EX3_4 is smaller than a length of each of the second and fourth sub extensions EX1_2 and EX1_4 illustrated in FIG. 10A .

A predetermined area of each of the first to fourth sub-extensions EX3_1 to EX3_4 adjacent to one side of each of the first to fourth sub-extensions EX3_1 to EX3_4 passes through a single contact hole CH. It is connected to the two sub-touch sensor units SSP1_1 and SSP1_2. Since the other configuration of the first extension EX3 is substantially the same as that of the first extension EX1 illustrated in FIG. 10A , a detailed description of the first extension EX3 will be omitted.

The second extension EX4 includes fifth, sixth, seventh, and eighth sub extensions EX4_1 , EX4_2 , EX4_3 and EX4_4 and third and fourth sub connection parts SCP2_1 and SCP2_2 . The length of each of the fifth and seventh sub extensions EX4_1 and EX4_3 is smaller than the length of each of the fifth and seventh sub extensions EX2_1 and EX2_3 illustrated in FIG. 10A , and the length of the sixth and eighth sub extensions ( A length of each of EX4_2 and EX4_4 is smaller than a length of each of the sixth and eighth sub-extension parts EX2_2 and EX2_4 illustrated in FIG. 10A .

A predetermined region of each of the fifth to eighth sub extensions EX4_1 to EX4_4 adjacent to one side of each of the fifth to eighth sub extensions EX4_1 to EX4_4 passes through a single contact hole CH It is connected to the two sub-touch sensor units SSP1_1 and SSP1_2. Since the other configuration of the second extension part EX4 is substantially the same as that of the second extension part EX2 illustrated in FIG. 10A , a detailed description of the second extension part EX4 will be omitted.

Referring to FIG. 12 , the first connection part CP1_2 includes a first extension part EX5 and a second extension part EX6 disposed with the second connection part CP2 therebetween. The first extension EX5 and the second extension EX6 are symmetrical to each other.

The first extension EX5 includes first, second, third, and fourth sub extensions EX5_1 , EX5_2 , EX5_3 and EX5_4 and first and second sub connection parts SCP3_1 and SCP3_2 . The length of each of the first and third sub extensions EX5_1 and EX5_3 is longer than the length of each of the first and third sub extensions EX1_1 and EX1_3 illustrated in FIG. 10A , and the second and fourth sub extensions ( Each of EX5_2 and EX5_4 has a longer length than each of the second and fourth sub-extensions EX1_2 and EX1_4 illustrated in FIG. 10A .

The second extension EX6 includes fifth, sixth, seventh, and eighth sub extensions EX6_1 , EX6_2 , EX6_3 , and EX6_4 and third and fourth sub connection parts SCP4_1 and SCP4_2 . The length of each of the fifth and seventh sub extensions EX6_1 and EX6_3 is longer than the length of each of the fifth and seventh sub extensions EX2_1 and EX2_3 illustrated in FIG. 10A , and the sixth and eighth sub extensions ( Each of EX6_2 and EX6_4 is longer than each of the sixth and eighth sub-extensions EX2_2 and EX2_4 illustrated in FIG. 10A .

One side of the first sub-extension part EX5_1 is connected to one side of the fifth sub-extension part EX6_1 , and one side of the second sub-extension part EX5_2 is connected to one side of the sixth sub extension part EX6_2 . One side of the third sub extension EX5_3 is connected to one side of the seventh sub extension EX6_3 , and one side of the fourth sub extension EX5_4 is connected to one side of the eighth sub extension EX6_4 .

One side of the first sub extension part EX5_1 and one side of the fifth sub extension part EX6_1 share one contact hole CH and are connected to the first sub touch sensor part SSP1_1. One side of the second sub extension part EX5_2 and one side of the sixth sub extension part EX6_2 share one contact hole CH and are connected to the first sub touch sensor part SSP1_1.

One side of the third sub extension part EX5_3 and one side of the seventh sub extension part EX6_3 share one contact hole CH and are connected to the second sub touch sensor part SSP1_2. One side of the fourth sub extension EX5_4 and one side of the eighth sub extension EX6_4 share one contact hole CH and are connected to the second sub touch sensor unit SSP1_2. Other configurations of the first and second extensions EX5 and EX6 are substantially the same as the first and second extensions EX1 and EX2 illustrated in FIG. 10A , so the first and second extensions EX5 and EX6 are A detailed description of EX6) will be omitted.

Referring to FIG. 13 , the first extension part EX7 of the first connection part CP1_3 includes first, second, third, and fourth sub extension parts EX7_1 , EX7_2 , EX7_3 , EX7_4 , and first and first extension parts EX7_1 , EX7_2 , EX7_3 , EX7_4 . 2 sub-connection parts SCP5_1 and SCP5_2 are included, and the second extension part EX8 of the first connection part CP1_3 includes fifth, sixth, seventh, and eighth sub-extension parts EX8_1, EX8_2, EX8_3, EX8_4) and third and fourth sub-connections SCP6_1 and SCP6_2.

First and second extensions except for the number of contact holes CH provided for the first and second extensions EX7 and EX8 to be connected to the first and second sub-touch sensor units SSP1_1 and SSP1_2 The parts EX7 and EX8 have substantially the same configuration as the first and second extension parts EX5 and EX6 shown in FIG. 11 .

Specifically, one side of the first and fifth sub extensions EX7_1 and EX8_1 shares one contact hole CH and is connected to the first sub touch sensor unit SSP1_1, and the second and sixth sub extensions share one contact hole CH. One side of (EX7_2, EX8_2) is connected to the first sub-touch sensor unit SSP1_1 by sharing one contact hole (CH). One side of the third and seventh sub extensions EX7_3 and EX8_3 shares one contact hole CH and is connected to the second sub touch sensor unit SSP1_2, and the fourth and eighth sub extensions EX7_4, One side of EX8_4 shares one contact hole CH and is connected to the second sub touch sensor unit SSP1_2.

In addition, a predetermined area of the first sub extension EX7_1 adjacent to one side of the first sub extension EX7_1 and a predetermined area of the second sub extension EX7_2 adjacent to one side of the second sub extension EX7_2 A region, a predetermined region of the fifth sub extension EX8_1 adjacent to one side of the fifth sub extension EX8_1 , and a predetermined region of the sixth sub extension EX8_2 adjacent to one side of the sixth sub extension EX8_2 A region of is connected to the first sub-touch sensor unit SSP1_1 through a plurality of contact holes CH. Although four contact holes CH are illustrated for example, the number of contact holes CH is not limited thereto.

A predetermined area of the third sub extension EX7_3 adjacent to one side of the third sub extension EX7_3, a predetermined area of the fourth sub extension EX7_4 adjacent to one side of the fourth sub extension EX7_4; A predetermined area of the seventh sub extension EX8_3 adjacent to one side of the seventh sub extension EX8_3 and a predetermined area of the eighth sub extension EX8_4 adjacent to one side of the eighth sub extension EX8_4 is connected to the second sub-touch sensor unit SSP1_2 through the plurality of contact holes CH. Although four contact holes CH are illustrated for example, the number of contact holes CH is not limited thereto.

Referring to FIG. 14 , the first and second touch sensor parts SP1 and SP2 and the first and second connection parts CP1_4 and CP2 shown in FIG. 14 are disposed in the bending area BA. The first extension part EX9 of the first connection part CP1_4 includes the first, second, third, and fourth sub extension parts EX9_1 , EX9_2 , EX9_3 , EX9_4 and the first and second sub connection parts SCP7_1 , SCP7_2), and the second extension part EX10 of the first connection part CP1_4 includes the fifth, sixth, seventh, and eighth sub extension parts EX10_1, EX10_2, EX10_3, EX10_4, and the third and It includes fourth sub-connections SCP8_1 and SCP8_2.

In addition, the first extension part EX9 protrudes in the first diagonal direction DDR1 and the second diagonal direction DDR2 from the connection part of the first sub extension part EX9_1 and the third sub extension part EX9_3, respectively. , extends from the first sub-connection part SCP7_1 in the second diagonal direction DDR2 to protrude outward than the first sub-extension part EX9_1, and extends from the second sub-connection part SCP7_2 in the first diagonal direction DDR1 and includes a plurality of protrusions P protruding outward from the third sub extension EX9_3.

Since the second extensions EX10 are symmetrical to the first extensions EX9 and have substantially the same configuration, the second extensions EX10 are also symmetrical to the protrusions P of the first extensions EX9 . It includes a plurality of protrusions (P). Except for the protrusions P, the first and second extensions EX9 and EX10 have substantially the same configuration as the first and second extensions EX1 and EX2 illustrated in FIG. 10A .

The protrusions P are disposed to overlap adjacent third and fourth branch portions BP3 and BP4. When the protrusions P are not disposed and the bending area BA is bent, the boundary and the third sub-extension parts EX9_1 and EX9_3 and the third and fourth branch parts BP3 and BP4 A crack may be generated at a boundary between the fifth and seventh sub extension parts EX10_1 and EX10_3 and the third and fourth branch parts BP3 and BP4. However, the protrusions P are disposed to overlap the adjacent third and fourth branch parts BP3 and BP4, so that the first and third sub extension parts EX9_1 and EX9_3 and the third and fourth branch parts BP3 , BP4, cracks that may be generated at the boundary between the fifth and seventh sub extensions EX10_1 and EX10_3 and the third and fourth branch portions BP3 and BP4 may be prevented.

Referring to FIG. 15 , the first connection part CP1_5 is disposed with the second connection part CP2 interposed therebetween, and includes a first extension part EX11 and a second extension part EX12 that are symmetrical to each other.

The first extension EX11 includes a first sub extension EX11_1 extending in a first diagonal direction DDR1 and a second sub extension part EX11_2 extending in a second diagonal direction DDR2, The second extension EX12 includes a third sub extension EX12_1 extending in the second diagonal direction DDR2 and a fourth sub extension part EX12_2 extending in the first diagonal direction DDR1 . The first and second sub extensions EX11_1 and EX11_2 are symmetrical to the third and fourth sub extensions EX12_1 and EX12_2, respectively.

A predetermined area of each of the first and third sub extensions EX11_1 and EX12_1 adjacent to one side of each of the first and third sub extensions EX11_1 and EX12_1 is connected to the first sub touch sensor unit SSP1_1. A predetermined area of each of the first and third sub extensions EX11_1 and EX12_1 adjacent to one side of each of the second and fourth sub extensions EX11_2 and EX12_2 is connected to the second sub touch sensor unit SSP1_2. The other end of the first sub extension EX11_1 is connected to the other side of the second sub extension EX11_2 , and the other end of the third sub extension EX12_1 is connected to the other side of the fourth sub extension EX12_2 .

A predetermined area of each of the first to fourth sub-extensions EX11_1 to EX12_2 adjacent to one side of each of the first to fourth sub-extensions EX11_1 to EX12_2 passes through a single contact hole CH. It is connected to the two sub-touch sensor units SSP1_1 and SSP1_2.

A configuration in which the first extension EX11 intersects the third sub touch sensor unit SSP2_1 and the configuration in which the second extension EX12 intersects the fourth sub touch sensor unit SSP2_2 are substantially shown in FIG. 10A . Since the illustrated first and second extension parts EX1 and EX2 have the same configuration as that which intersects the third and fourth sub touch sensor parts SSP2_1 and SSP2_2, a description thereof will be omitted.

Referring to FIG. 16 , the first extension part EX13 of the first connection part CP1_6 includes first and second sub extension parts EX13_1 and EX13_2 , and the second extension part EX13 of the first connection part CP1_6 EX14 includes third and fourth sub extensions EX14_1 and EX14_2. A length of each of the first to fourth sub extensions EX13_1 to EX14_2 is longer than a length of each of the first to fourth sub extensions EX11_1 to EX12_2 illustrated in FIG. 15 .

A predetermined area of each of the first to fourth sub-extensions EX13_1 to EX14_2 adjacent to one side of each of the first to fourth sub-extensions EX13_1 to EX14_2 is formed through a plurality of contact holes CH through the first and fourth sub-extensions. It is connected to the second sub-touch sensor units SSP1_1 and SSP1_2. Other configurations of the first and second extensions EX13 and 14 are substantially the same as the first and second extensions EX11 and EX12 illustrated in FIG. 15 , so the first and second extensions EX13 and EX12 are 14) will be omitted.

Referring to FIG. 17 , the first extension part EX15 of the first connection part CP1_7 includes first and second sub extension parts EX15_1 and EX15_2 , and the second extension part EX15 of the first connection part CP1_7 EX16 includes third and fourth sub extensions EX16_1 and EX16_2. A length of each of the first to fourth sub extensions EX15_1 to EX16_2 is longer than a length of each of the first to fourth sub extensions EX13_1 to EX14_2 illustrated in FIG. 16 .

One end of the first sub extension EX15_1 is connected to one side of the third sub extension EX16_1 , and one end of the second sub extension EX15_2 is connected to one side of the fourth sub extension EX16_2 . One side of the first sub extension EX15_1 and one side of the third sub extension EX16_1 share one contact hole CH and are connected to the first sub touch sensor unit SSP1_1. One side of the second sub extension EX15_2 and one side of the fourth sub extension EX16_2 share one contact hole CH and are connected to the second sub touch sensor unit SSP1_2.

Since other configurations of the first and second extensions EX15 and 16 are substantially the same as the first and second extensions EX13 and EX14 shown in FIG. 16 , the first and second extensions EX15 and EX14 are 16) will be omitted.

Referring to FIG. 18 , the first extension part EX17 of the first connection part CP1_8 includes first and second sub extension parts EX17_1 and EX17_2 , and the second extension part EX17 of the first connection part CP1_7 EX18 includes third and fourth sub extensions EX18_1 and EX18_2.

The first and second extensions except for the number of contact holes CH provided for the first and second extensions EX17 and EX18 to be connected to the first and second sub-touch sensor units SSP1_1 and SSP1_2 are excluded. The parts EX17 and EX18 have substantially the same configuration as the first and second extension parts EX15 and EX16 shown in FIG. 17 .

Specifically, one side of the first and third sub extensions EX17_1 and EX18_1 shares one contact hole CH and is connected to the first sub touch sensor unit SSP1_1, and the second and fourth sub extensions share a single contact hole CH. One side of (EX17_2, EX18_2) is connected to the second sub touch sensor unit SSP1_2 by sharing one contact hole (CH).

In addition, a predetermined area of the first sub extension EX17_1 adjacent to one side of the first sub extension EX17_1 and a predetermined area of the third sub extension EX18_1 adjacent to one side of the third sub extension EX18_1 The area is connected to the first sub-touch sensor unit SSP1_1 through the plurality of contact holes CH. Although two contact holes CH are illustrated for example, the number of contact holes CH is not limited thereto.

A predetermined area of the second sub extension EX17_2 adjacent to one side of the second sub extension EX17_2 and a predetermined area of the fourth sub extension EX18_2 adjacent to one side of the fourth sub extension EX18_2 are It is connected to the second sub-touch sensor unit SSP1_2 through the plurality of contact holes CH. Although two contact holes CH are illustrated for example, the number of contact holes CH is not limited thereto.

Referring to FIG. 19 , the first extension part EX19 of the first connection part CP1_9 includes first, second, third, and fourth sub extension parts EX19_1 , EX19_2 , EX19_3 , and EX19_4 , and The second extension part EX20 of the first connection part CP1_9 includes fifth, sixth, seventh, and eighth extension parts EX20_1 , EX20_2 , EX20_3 , and EX20_4 .

Except for the first to fourth sub-connections SCP1_1 to SCP2_2 shown in FIG. 11 , the first and second extension parts EX19 and EX20 are substantially the first and second extension parts shown in FIG. 11 ( Since it has the same configuration as EX3 and EX4 , a detailed description of the first and second extension parts EX19 and EX20 will be omitted.

Referring to FIG. 20 , the first extension part EX21 of the first connection part CP1_10 includes first, second, third, and fourth sub extension parts EX21_1 , EX21_2 , EX21_3 , and EX21_4 , and The second extension part EX22 of the first connection part CP1_10 includes fifth, sixth, seventh, and eighth extension parts EX22_1 , EX22_2 , EX22_3 , and EX22_4 .

Except for the first to fourth sub-connections SCP1 to SCP4 shown in FIG. 10A , the first and second extension parts EX21 and EX22 are substantially the first and second extension parts shown in FIG. 10A . Since it has the same configuration as (EX1, EX2), a detailed description of the first and second extension parts (EX21, EX22) will be omitted.

Referring to FIG. 21 , the first extension part EX23 of the first connection part CP1_11 includes first, second, third, and fourth sub extension parts EX23_1 , EX23_2 , EX23_3 , and EX23_4 , The second extension part EX24 of the first connection part CP1_11 includes fifth, sixth, seventh, and eighth extension parts EX24_1 , EX24_2 , EX24_3 , and EX24_4 .

Except for the first to fourth sub-connections SCP3_1 to SCP4_2 shown in FIG. 12 , the first and second extension parts EX23 and EX24 are substantially the first and second extension parts shown in FIG. 12 . Since it has the same configuration as (EX5, EX6), a detailed description of the first and second extension parts (EX23, EX24) will be omitted.

Referring to FIG. 22 , the first extension part EX25 of the first connection part CP1_12 includes first, second, third, and fourth sub extension parts EX25_1 , EX25_2 , EX25_3 , and EX25_4 , and The second extension part EX26 of the first connection part CP1_12 includes fifth, sixth, seventh, and eighth extension parts EX26_1 , EX26_2 , EX26_3 , and EX26_4 .

Except for the first to fourth sub-connections SCP5_1 to SCP6_2 illustrated in FIG. 13 , the first and second extension portions EX25 and EX26 are substantially the first and second extension portions illustrated in FIG. 13 . Since it has the same configuration as (EX7, EX8), a detailed description of the first and second extension parts (EX25, EX26) will be omitted.

Referring to FIG. 23 , the first connection part CP1_13 has the same mesh structure as the second connection part CP2 shown in FIG. 10A and connects the first touch sensor parts SP1 . The second connection part CP2_1 has substantially the same configuration as the first connection part CP1 illustrated in FIG. 10A , and connects the second touch sensor parts SP2 .

For example, the second connection part CP2_1 has the same configuration in which the first connection part CP1 shown in FIG. 10A is rotated by 90 degrees, and extends to intersect the first touch sensor parts SP1 to form second touch sensor parts. (SP2) is connected. The configuration in which the second connection part CP2_1 intersects the first touch sensor parts SP1 is substantially the same as the configuration in which the first connection part CP1 shown in FIG. 10A crosses the second touch sensor parts SP2. . Accordingly, a detailed description of the first and second connection units CP1_13 and CP2_1 and the first and second touch sensor units SP1 and SP2 will be omitted.

Referring to FIG. 24 , the first connection part CP1_14 connects the adjacent first touch sensor parts SP1 in the first direction DR1 . The second connection part CP2 connects the adjacent second touch sensor parts SP2 in the second direction DR2 .

The first connection part CP1_14 may be bent at least once to extend from the first and second diagonal directions DDR1 and DDR2 to the second and first diagonal directions DDR2 and DDR1 . The first connection part CP1_14 includes a first extension part EX29 and a second extension part EX30 that are symmetrical to each other. Each of the first extension part EX29 and the second extension part EX29 is bent at least once to extend from the first and second diagonal directions DDR1 and DDR2 to the second and first diagonal directions DDR2 and DDR1 . can be

Specifically, the first extension part 29 extends while being bent from the first diagonal direction DDR1 to the second diagonal direction DDR2 and from the second diagonal direction DDR2 to the first diagonal direction DDR1 . The second extension 30 extends from the second diagonal direction DDR2 to the first diagonal direction DDR1 and from the first diagonal direction DDR1 to the second diagonal direction DDR2 .

In an embodiment of the present invention, the first and second extensions 29 and 30 are respectively formed in first and second diagonal directions DDR1 and DDR2 in second and first diagonal directions DDR2 and DDR1 . ) is extended while being bent three times, but the number of times of bending is not limited thereto, and it is sufficient if it is bent and extended at least once. A central portion of the first extension EX29 and a central portion of the second extension EX30 may be formed as bent portions and may be connected to each other.

The second connection part CP2 includes a mesh line MCL having a rhombus shape. The mesh line MCL includes a plurality of fifth branch parts BP5 extending in a first diagonal direction DDR1 and a plurality of sixth branch parts BP6 extending in a second diagonal direction DDR2 . The fifth and sixth branch portions BP5 and BP6 are connected to each other to define a rhombus shape. For example, although the mesh line MCL having one rhombus shape is illustrated in FIG. 24 , the number of the rhombus shapes is not limited thereto. When there are a plurality of rhombus shapes, the mesh line MCL may have a mesh shape.

The first and second extensions EX29 and EX30 of the first connection part CP1_14 are insulated from the second connection part CP2 by the first touch insulating layer TS-IL1 , and the mesh of the second connection part CP2 is It extends to intersect the lines MCL. That is, the first connection part CP1_14 does not overlap the line with the second connection part CP2 and extends to overlap the points. Accordingly, a parasitic capacitor may be reduced, and a short circuit between the first connection part CP1_14 and the second connection part CP2 that may occur during a process may be prevented.

Although described with reference to the above embodiments, those skilled in the art will understand that various modifications and changes can be made to the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. will be able In addition, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention, and all technical ideas within the scope of the following claims and their equivalents should be construed as being included in the scope of the present invention. .

DD: Display device DA: Display area
NDA: Non-display area WM: Window
DM: Display module PM: Protective film
TS: touch sensing unit TE1, TE2: first and second touch electrodes
SP1, SP2: first and second touch sensor units
CP1, CP2: first and second connections

Claims (17)

a display panel including a pixel and a thin film encapsulation layer disposed on the pixel; and
a touch sensing unit disposed on the display panel;
The touch sensing unit,
a plurality of first touch sensor units having a mesh shape and arranged in a first direction;
a first connection unit connecting adjacent first touch sensor units among the first touch sensor units;
a plurality of second touch sensor units having the mesh shape and arranged in a second direction intersecting the first direction; and
and a second connection part connecting second touch sensor parts adjacent to each other among the second touch sensor parts;
The first connection part is disposed on the thin film encapsulation layer, the first and second touch sensor parts and the second connection part are disposed on the first connection part,
A plurality of first openings are defined in the first connection part, and the first openings do not overlap the second connection part, but overlap openings defined according to the mesh shape of the second touch sensor parts. The method of claim 1,
A plurality of second openings are defined in the second connection parts, and the first openings do not overlap the second openings. The method of claim 1,
The display device further includes an insulating layer disposed on the first connection part, wherein the first and second touch sensor parts and the second connection part are disposed on the insulating layer. 4. The method of claim 3,
Predetermined portions of the first connection part adjacent to both ends of the first connection part are connected to the first touch sensor parts adjacent to each other through a plurality of contact holes defined through the insulating layer. 4. The method of claim 3,
Predetermined portions of the first connection part adjacent to both ends of the first connection part are some intersection points among the mesh-shaped intersection points of the first touch sensor parts adjacent to each other through a plurality of contact holes defined through the insulating layer. displays connected to the fields. 4. The method of claim 3,
The first connection part,
a first extension part that intersects one second touch sensor part of the adjacent second touch sensor parts and connects the adjacent first touch sensor parts; and
a second extension portion having a structure symmetrical to the first extension portion and intersecting another second touch sensor portion among the adjacent second touch sensor portions to connect the adjacent first touch sensor portions;
The first extension part and the second extension part are disposed with the second connection part interposed therebetween. 7. The method of claim 6,
The adjacent first touch sensor units are
a first sub-touch sensor unit; and
a second sub touch sensor unit disposed above the first sub touch sensor unit on a plane parallel to the first and second directions;
The adjacent second touch sensor units,
a third sub-touch sensor unit; and
and a fourth sub touch sensor unit disposed on the left side of the third sub touch sensor unit on the plane. 8. The method of claim 7,
The second connection part has a mesh structure and connects the third sub-touch sensor part and the fourth sub-touch sensor part. 8. The method of claim 7,
A predetermined area of the first extension adjacent to one side of the first extension is connected to the first sub-touch sensor, and a predetermined area of the first extension adjacent to the other side of the first extension is the second sub-touch. The display device is connected to the sensor unit, and the first extension unit extends to cross the third sub touch sensor unit. 8. The method of claim 7,
A predetermined area of the second extension adjacent to one side of the second extension is connected to the first sub-touch sensor, and a predetermined area of the second extension adjacent to the other side of the second extension is the second sub-touch. The display device is connected to the sensor unit, and the second extension unit extends to cross the fourth sub touch sensor unit. 8. The method of claim 7,
Each of the first and second sub-touch sensor units,
a plurality of first branch portions extending in a first diagonal direction crossing the first and second directions on the plane; and
a plurality of second branch portions extending in a second diagonal direction intersecting the first diagonal direction on the plane to intersect the first branch portions and connected to the first branch portions;
Each of the third and fourth sub-touch sensor units,
a plurality of third branch portions extending in the first diagonal direction; and
and a plurality of fourth branch portions extending in the second diagonal direction to intersect the third branch portions and connected to the third branch portions. 12. The method of claim 11,
The first extension portion,
a first sub extension extending in the first diagonal direction;
a second sub extension having a length smaller than that of the first sub extension and extending in the first diagonal direction;
a third sub extension extending in the second diagonal direction;
a fourth sub extension having a length smaller than that of the third sub extension and extending in the second diagonal direction;
a first sub-connection portion extending in the second diagonal direction; and
and a second sub-connection portion extending in the first diagonal direction,
A predetermined region of each of the first and second sub-extensions adjacent to one side of each of the first and second sub-extensions is connected to the first sub-touch sensor unit, and each of the third and fourth sub-extensions A predetermined area of each of the third and fourth sub extensions adjacent to one side of the is connected to the second sub touch sensor unit,
The other end of the first sub extension is connected to the other side of the third sub extension, the other end of the second sub extension is connected to the other side of the fourth sub extension, and the first sub connection is the fourth sub extension. It extends in the second diagonal direction from the other side and is connected to the first sub-extension part, and the second sub-connection part extends in the first diagonal direction from the other side of the second sub-extension part to the third sub extension part. connected display. 13. The method of claim 12,
The first to fourth sub extension parts and the first and second sub connection parts are integrally formed with each other. 13. The method of claim 12,
The first and second sub-extensions extend to intersect a predetermined number of fourth branches adjacent to the first sub-touch sensor among the fourth branches of the third sub-touch sensor, and the third and The fourth sub extension portions extend to cross a predetermined number of third branches adjacent to the first sub touch sensor portion among the third branches of the third sub touch sensor portion. 13. The method of claim 12,
The third branch parts of the third sub touch sensor part are not disposed in a region overlapping the first and second sub extension parts and the second sub connection part, and the third and fourth sub extension parts and the first sub extension part are not disposed. The fourth branch portions of the third sub touch sensor unit are not disposed in a region overlapping the sub connection unit, and the fourth sub touch sensor unit has a symmetrical structure to the third sub touch sensor unit. 13. The method of claim 12,
The second extension part is symmetrical to the first sub extension part, the second sub extension part, the third sub extension part, the fourth sub extension part, the first sub connection part, and the second sub connection part, respectively. A display device including a fifth sub extension part, a sixth sub extension part, a seventh sub extension part, an eighth sub extension part, a third sub connection part, and a fourth sub connection part having a structure. 17. The method of claim 16,
A predetermined region of each of the first to eighth sub extensions adjacent to one side of each of the first to eighth sub extensions is formed through a plurality of contact holes defined through the insulating layer to penetrate the first and second sub extensions. A display device connected to the touch sensor units.

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