KR102569316B1 - Flexible display device - Google Patents

Abstract

The flexible display device includes a display panel and a touch screen. The touch screen includes first conductive patterns overlapping the non-emission area, a first black matrix in which a plurality of first openings covering the first conductive patterns and corresponding to a plurality of light emitting areas are defined, each of the plurality of first black matrices. A plurality of color filters disposed inside a corresponding first opening among first openings, and insulation disposed on the first black matrix and the plurality of color filters and overlapping a plurality of light emitting regions and a non-light emitting region. and second conductive patterns disposed on the layer and the insulating layer and overlapping the non-emission region.

Description

Flexible display device {FLEXIBLE DISPLAY DEVICE}

The present invention relates to a flexible display device, and more particularly, to a touch screen integrated flexible display device.

Electronic devices such as smart phones, digital cameras, notebook computers, navigation, and smart televisions are being developed. These electronic devices include a display device to provide information.

As electronic devices change into various forms, the form of a display device is correspondingly changed. Existing electronic devices have a flat panel display device. Recently developed electronic devices require a flexible display device such as a curved type, a bending type, or a rolling type.

In addition, consumers demand slimmer electronic devices. To realize this, various functional members are being integrated into the display device.

Accordingly, an object of the present invention is to provide a slim flexible display device.

A flexible display device according to an embodiment of the present invention provides a base surface, a display panel including a plurality of light emitting areas and a non-light emitting area adjacent to the plurality of light emitting areas, and a touch screen disposed on the base surface. The touch screen includes first conductive patterns disposed on the base surface and overlapping the non-emission area, disposed on the base surface and covering the first conductive patterns, and the plurality of conductive patterns. A first black matrix in which a plurality of first openings corresponding to light emitting regions are defined, a plurality of color filters each disposed inside a corresponding first opening among the plurality of first openings, the first black matrix and an insulating layer disposed on the plurality of color filters in contact with and overlapping the plurality of light emitting regions and the non-emission region, and a second insulating layer disposed on the insulating layer and in contact with each other and overlapping the non-emission region. and conductive patterns, wherein the first conductive patterns extend in a first direction and are arranged in a second direction crossing the first direction, and each includes first touch electrodes in which a plurality of first touch openings are defined, The second conductive patterns include second touch electrodes extending in the second direction and arranged in the first direction, each having a plurality of second touch openings defined therein, and two adjacent ones of the first touch electrodes. The first touch electrodes may be spaced apart by a first distance in the first direction, and two adjacent second touch electrodes among the second touch electrodes may be spaced apart in the second direction by a second distance greater than the first distance. there is.

The second conductive patterns may include any one of chromium oxide, chromium nitride, titanium oxide, and titanium nitride, or an alloy thereof.

The flexible display device according to an exemplary embodiment of the present invention may further include a second black matrix disposed on the insulating layer, covering the second conductive patterns, and overlapping the non-emission area.

A plurality of second openings corresponding to the plurality of light emitting regions may be defined in the second black matrix.

An edge of each of the plurality of color filters may overlap the second black matrix.

Each of the first conductive patterns and the second conductive patterns may have a mesh shape.

The display panel may include a base substrate, a circuit layer disposed on the base substrate, an organic light emitting diode layer disposed on the circuit layer, and a thin film encapsulation layer encapsulating the organic light emitting diode layer.

The thin film encapsulation layer may provide the base surface.

The thin film encapsulation layer may include a lower inorganic thin film contacting the organic light emitting device layer, organic thin films disposed on the base surface, and upper inorganic thin films alternately stacked with the organic thin films.

The plurality of color filters may include red color filters, green color filters, and blue color filters.

The second conductive patterns each include second connection parts connecting two second sensor parts adjacent in the second direction among second sensor parts through through-holes penetrating the first black matrix and the insulating layer. can do.

Each of the first touch electrodes may have a constant width in the second direction.

Each of the second touch electrodes may have a constant width in the first direction.

A flexible display device according to an embodiment of the present invention provides a base surface, a display panel including a plurality of light emitting areas and a non-light emitting area adjacent to the plurality of light emitting areas, and a touch screen disposed on the base surface. The touch screen includes first conductive patterns disposed on the base surface and overlapping the non-emission area, disposed on the base surface and covering the first conductive patterns, and the plurality of conductive patterns. A first black matrix in which a plurality of first openings corresponding to light emitting regions are defined, a plurality of color filters each disposed inside a corresponding first opening among the plurality of first openings, the first black matrix and an insulating layer disposed on the plurality of color filters in contact with and overlapping the plurality of light emitting regions and the non-emission region, and a second insulating layer disposed on the insulating layer and in contact with each other and overlapping the non-emission region. It includes conductive patterns, and the first conductive patterns include first touch electrodes in which a plurality of first touch openings corresponding to the plurality of first openings are defined and shielding electrodes spaced apart from the first touch electrodes. wherein the second conductive patterns intersect the first touch electrodes, and a plurality of second touch openings corresponding to the plurality of first openings are defined, each of which is a shielding corresponding one of the shielding electrodes. Second touch electrodes overlapping the electrodes may be included.

Each of the first touch electrodes includes first sensor units and first connection units each connecting two adjacent first sensor units among the first sensor units, and each of the second touch electrodes comprises: It may include second sensor units overlapping corresponding ones of the shielding electrodes and second connection units each connecting two adjacent second sensor units among the second sensor units.

The shielding electrodes may receive a ground voltage.

The second conductive patterns may include any one of chromium oxide, chromium nitride, titanium oxide, and titanium nitride, or an alloy thereof.

A second black matrix disposed on the insulating layer, covering the second conductive patterns, and overlapping the non-emission region may be further included.

A plurality of second openings corresponding to the plurality of light emitting regions may be defined in the second black matrix.

An edge of each of the plurality of color filters may overlap the second black matrix.

Each of the first conductive patterns and the second conductive patterns may have a mesh shape.

The display panel may include a base substrate, a circuit layer disposed on the base substrate, an organic light emitting diode layer disposed on the circuit layer, and a thin film encapsulation layer encapsulating the organic light emitting diode layer.

The thin film encapsulation layer may provide the base surface.

The thin film encapsulation layer may include a lower inorganic thin film contacting the organic light emitting device layer, organic thin films disposed on the base surface, and upper inorganic thin films alternately stacked with the organic thin films.

The plurality of color filters may include red color filters, green color filters, and blue color filters.

As described above, the color filters are disposed inside the openings of the black matrix of the touch screen, so that the display device becomes slim. The color filters reduce external light and reflectance by filtering external light. Since the touch electrodes have a mesh shape, tensile stress/compressive stress applied to the touch electrodes is reduced, and as a result, cracks of the touch electrodes can be prevented.

When the first conductive patterns overlap the second conductive patterns, noise generated from the display panel may be prevented from interfering with the second conductive patterns.

1A is a perspective view of a first operation of a flexible display device according to an exemplary embodiment of the present invention.
1B is a perspective view of a second operation of a flexible display device according to an exemplary embodiment of the present invention.
2A is a cross-sectional view of a first operation of a flexible display device according to an exemplary embodiment of the present invention.
2B is a cross-sectional view according to a second operation of the flexible display device according to an exemplary embodiment of the present invention.
3 is a perspective view of a flexible display panel according to an exemplary embodiment of the present invention.
4 is an equivalent circuit diagram of a pixel according to an embodiment of the present invention.
5 is a partial plan view of an organic light emitting display panel according to an exemplary embodiment of the present invention.
6A and 6B are partial cross-sectional views of an organic light emitting display panel according to an exemplary embodiment of the present invention.
7A to 7C are cross-sectional views of a thin film encapsulation layer according to an embodiment of the present invention.
8A and 8B are cross-sectional views of a display device according to an exemplary embodiment of the present invention.
9A and 9B are plan views of conductive layers of a touch screen according to an embodiment of the present invention.
10A is a partially enlarged view of an area AA of FIG. 9A.
10B to 10D are partial cross-sectional views of FIG. 10A according to an embodiment of the present invention.
11A is a partially enlarged view of the BB region of FIG. 9B.
11B to 11E are partial cross-sectional views of FIG. 11A according to an embodiment of the present invention.
12A is a partially enlarged view of the CC region of FIGS. 9A and 9B.
Figure 12b is a partial cross-sectional view of Figure 12a.
13A and 13B are plan views of conductive layers of a touch screen according to an embodiment of the present invention.
13C is a partially enlarged view of the CC region of FIGS. 13A and 13B.
Fig. 13d is a partial cross-sectional view of Fig. 13c.
14A and 14B are plan views of conductive layers of a touch screen according to an embodiment of the present invention.
15A and 15B are plan views of conductive layers of a touch screen according to an embodiment of the present invention.
15C is a partially enlarged view of the DD region of FIGS. 15A and 15B.
Figure 15d is a partial cross-sectional view of Figure 15c.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the scales of some components are exaggerated or reduced in order to clearly express various layers and regions. Like reference numbers designate like elements throughout the specification.

In the drawings, the scales of some components are exaggerated or reduced in order to clearly express various layers and regions. Like reference numbers designate like elements throughout the specification. And, that a certain layer is formed (arranged) 'on' another layer includes not only the case where two layers are in contact with each other, but also the case where another layer exists between the two layers. In addition, although one surface of a certain layer is shown as flat in the drawing, it is not necessarily required to be flat, and a step may occur on the surface of the upper layer due to the surface shape of the lower layer in the lamination process.

1A is a perspective view of a first operation of a flexible display device DD according to an exemplary embodiment of the present invention. 1B is a perspective view of a second operation of the flexible display device DD according to an exemplary embodiment of the present invention. 2A is a cross-sectional view according to a first operation of the flexible display device DD according to an exemplary embodiment of the present invention. 2B is a cross-sectional view according to a second operation of the flexible display device DD according to an exemplary embodiment of the present invention.

The display surface IS on which the image IM is displayed is parallel to the plane defined by the first and second directional axes DR1 and DR2. The third direction axis DR3 indicates the normal direction of the display surface IS, that is, the thickness direction of the flexible display device DD. Front and rear surfaces of each member are divided by a third directional axis DR3. However, directions indicated by the first to third directional axes DR1 , DR3 , and DR3 may be converted to other directions as a relative concept. Hereinafter, the same reference numerals refer to directions indicated by first to third direction axes DR1 , DR3 , and DR3 , respectively.

1A to 2B illustrate a foldable display device as an example of a flexible display device DD. However, the present invention is not limited thereto, and the flexible display device DD may be a curved flexible display device having a predetermined curvature or a rollable flexible display device that is rolled. Although not separately illustrated, the flexible display device DD of the present invention may be used in large-sized electronic devices such as televisions and monitors, as well as small and medium-sized electronic devices such as mobile phones, tablets, car navigation devices, game consoles, and smart watches.

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

As shown in FIGS. 1A and 1B , the display device DD includes a bending area BA that is bent along the bending axis BX, a first non-bending area NBA1 that is non-bending, and a second non-bending area that is not bent. (NBA2). Inner-bending may be performed 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. The display device DD may be bent outward according to a user's manipulation.

In one 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 the shape in which the user manipulates the display device DD. For example, unlike FIG. 1B , the bending area BA may be defined 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 the bending radius BR (refer to FIG. 2A).

As shown in FIGS. 2A and 2B , the display device DD may include a display panel DP, a touch screen TS, and a window member WM. Each of the display panel DP, touch screen TS, and window member WM may have a flexible property. Although not separately illustrated, the display device DD may further include a protective member coupled to the window member WM to protect the display panel DP and the touch screen TS. In one embodiment of the present invention, the window member WM may be omitted or integrated into the touch screen TS.

The display panel DP generates an image (IM, see FIG. 1A) corresponding to the input image data. The display panel DP may be an organic light emitting display panel, an electrophoretic display panel, an electrowetting display panel, and the like, and the type is not limited. In the present invention, an organic light emitting display panel is described as an example. A detailed description of the organic light emitting display panel will be described later.

The touch screen TS acquires coordinate information of an external input. The touch screen TS is disposed on the base surface provided by the display panel DP. In this embodiment, the touch screen TS is manufactured through a continuous process with the display panel. Therefore, a separate adhesive member disposed between the touch screen TS and the display panel DP may be omitted.

The touch screen TS may be a capacitive touch screen. However, it is not limited thereto, and may be replaced with a touch screen of another type including two types of touch electrodes, such as an electromagnetic induction type.

In this embodiment, the touch screen TS reduces reflection of external light. As will be described later, this is because the touch screen TS includes color filters. Color filters of the touch screen TS may replace optical films such as a polarizing film and a λ/4 wavelength film that prevent reflection of external light.

The window member WM may be combined with the touch screen TS by an optically clear adhesive film (OCA). The window member WM includes a base member WM-BS and a bezel layer WM-BZ. The base member WM-BS may include a plastic film or the like. The bezel layer WM-BZ partially overlaps the base member WM-BS. The bezel layer WM-BZ may be disposed on the rear surface of the base member WM-BS to define a bezel area of the display device DD, that is, a non-display area NDA (refer to FIG. 1A ).

The bezel layer WM-BZ is a colored organic layer and may be formed by, for example, a coating method. Although not separately shown, the window member WM may further include a functional coating layer disposed on the front surface of the base member WM-BS. The functional coating layer may include an anti-fingerprint layer, an anti-reflection layer, and a hard coating layer.

3 is a perspective view of a flexible display panel DP according to an exemplary embodiment of the present invention. 4 is an equivalent circuit diagram of a pixel PX according to an embodiment of the present invention. Hereinafter, the flexible display panel DP will be described as an organic light emitting display panel DP. The organic light emitting display panel DP includes a display area DA and a non-display area NDA on a plane. The display area DA and the non-display area NDA of the organic light emitting display panel DP are the display area DA and the non-display area NDA of the display device DD defined by the bezel layer WM-BZ. It is not necessarily the same as , and may be changed according to the structure/design of the organic light emitting display panel DP.

As shown in FIG. 3 , the organic light emitting display panel DP includes a plurality of pixels PX disposed in the display area DA. Although a plurality of pixels PX are shown arranged in a matrix form, it is not limited thereto. The plurality of pixels PX may be arranged in a non-matrix form, for example, a pentile form.

4 illustrates an equivalent circuit of one pixel PXij connected to the i-th scan line SLi and the j-th source line DLj. Although not separately illustrated, the plurality of pixels PX may have the same equivalent circuit.

The pixel PXij includes at least one transistor TR1 and TR2 , at least one capacitor Cap, and an organic light emitting diode OLED. In this embodiment, a pixel driving circuit including two transistors TR1 and TR2 and one capacitor Cap is illustrated as an example, but the configuration of the pixel driving circuit is not limited thereto.

The anode of the organic light emitting diode OLED receives the first power voltage ELVDD applied to the power line PL through the second transistor TR2. A cathode of the organic light emitting diode OLED receives the second power supply voltage ELVSS. The first transistor TR1 outputs a data signal applied to the j-th source line DLj in response to a scan signal applied to the i-th scan line SLi. The capacitor Cap is charged with a voltage corresponding to the data signal received from the first transistor TR1. The second transistor TR2 controls the driving current flowing through the organic light emitting diode OLED in response to the voltage stored in the capacitor Cap.

5 is a partial plan view of an organic light emitting display panel DP according to an exemplary embodiment of the present invention. 6A and 6B are partial cross-sectional views of an organic light emitting display panel DP according to an exemplary embodiment of the present invention. 5 shows a part of the display area DA (refer to FIG. 3). FIG. 6A shows a cross-section of a portion corresponding to the first transistor TR1 and the capacitor Cap of the equivalent circuit shown in FIG. 4, and FIG. 6B shows the second transistor TR2 and A cross section of a portion corresponding to the organic light emitting device (OLED) is shown.

As shown in FIG. 5 , the organic light emitting display panel DP includes a plurality of light emitting regions PXA-R, PXA-G, It is divided into PXA-B) and non-emission area (NPXA). FIG. 5 exemplarily shows three types of light emitting regions PXA-R, PXA-G, and PXA-B arranged in a matrix form. Organic light emitting diodes emitting three different colors may be respectively disposed in the three types of light emitting regions PXA-R, PXA-G, and PXA-B. In one embodiment of the present invention, organic light emitting diodes emitting white colors may be respectively disposed in the three types of light emitting regions PXA-R, PXA-G, and PXA-B.

The non-emission area NPXA is between the first non-emission areas NPXA-1 surrounding the light-emitting areas PXA-R, PXA-G, and PXA-B and the first non-emission areas NPXA-1. It can be divided into a second non-emission area (NPXA-2) disposed on. A driving circuit of a sub-pixel corresponding to each of the first non-emission regions NPXA- 1 , for example, transistors TR1 and TR2 (see FIG. 4 ) or a capacitor (Cap (see FIG. 4 )) may be disposed. Signal lines, for example, a scan line (SLi, see FIG. 4), a source line (DLj, see FIG. 4), and a power line (PL, see FIG. 4) may be disposed in the second non-emission area NPXA- 2. . However, the present invention is not limited thereto, and the first non-emission areas NPXA- 1 and the second non-emission areas NPXA- 2 may not be distinguished from each other.

Although not separately shown, according to an embodiment of the present invention, each of the light emitting regions PXA-R, PXA-G, and PXA-B may have a shape similar to a rhombus. According to an embodiment of the present invention, organic light emitting elements emitting four different colors may be disposed in four types of light emitting regions that are repeatedly arranged.

In this specification, "emitting light of a predetermined color in the light emitting area" means not only emitting the light generated from the corresponding light emitting element as it is, but also converting the color of the light generated from the corresponding light emitting element and emitting it. include

6A and 6B, the organic light emitting display panel DP includes a base substrate SUB, a circuit layer DP-CL, an organic light emitting element layer DP-OLED, and a thin film encapsulation layer TFE. includes The circuit layer DP-CL may include a plurality of conductive layers and a plurality of insulating layers, and the organic light emitting diode layer DP-OLED may include a plurality of conductive layers and a plurality of functional organic layers.

The base substrate SUB is a flexible substrate and may include a plastic substrate such as polyimide, a glass substrate, or a metal substrate. A semiconductor pattern AL1 (hereinafter referred to as a first semiconductor pattern) of the first transistor TR1 and a semiconductor pattern AL2 (hereinafter referred to as a second semiconductor pattern) of the second transistor TR2 are disposed on the base substrate SUB. The first semiconductor pattern AL1 and the second semiconductor pattern AL2 may include amorphous silicon formed at a low temperature. In addition, the first semiconductor pattern AL1 and the second semiconductor pattern AL2 may include a metal oxide semiconductor. Although not separately shown, functional layers may be further disposed on one surface of the base substrate SUB. The functional layers include at least one of a barrier layer or a buffer layer. The first semiconductor pattern AL1 and the second semiconductor pattern AL2 may be disposed on a barrier layer or a buffer layer.

A first insulating layer 12 covering the first and second semiconductor patterns AL1 and AL2 is disposed on the base substrate SUB. The first insulating layer 12 includes an organic layer and/or an inorganic layer. In particular, the first insulating layer 12 may include a plurality of inorganic thin films. The plurality of inorganic thin films may include a silicon nitride layer and a silicon oxide layer.

A control electrode GE1 (hereinafter referred to as first control electrode) of the first transistor TR1 and a control electrode GE2 (hereinafter referred to as second control electrode) of the second transistor TR2 are disposed on the first insulating layer 12 . do. The first electrode E1 of the capacitor Cap is disposed on the first insulating layer 12 . The first control electrode GE1 , the second control electrode GE2 , and the first electrode E1 may be manufactured according to the same photolithography process as the scan line SLi (refer to FIG. 4 ). In other words, the first electrode E1 may be made of the same material as the scan line.

A second insulating layer 14 covering the first and second control electrodes GE1 and GE2 and the first electrode E1 is disposed on the first insulating layer 12 . The second insulating layer 14 includes an organic layer and/or an inorganic layer. In particular, the second insulating layer 14 may include a plurality of inorganic thin films. The plurality of inorganic thin films may include a silicon nitride layer and a silicon oxide layer.

A source line (DLj, see FIG. 4 ) and a power line (PL, see FIG. 4 ) may be disposed on the second insulating layer 14 . An input electrode SE1 (hereinafter referred to as a first input electrode) and an output electrode DE1 (hereinafter referred to as a first output electrode) of the first transistor TR1 are disposed on the second insulating layer 14 . An input electrode SE2 (hereinafter referred to as a second input electrode) and an output electrode DE2 (hereinafter referred to as a second output electrode) of the second transistor TR2 are disposed on the second insulating layer 14 . The first input electrode SE1 is branched from the source line DLj. The second input electrode SE2 is branched from the power line PL.

The second electrode E2 of the capacitor Cap is disposed on the second insulating layer 14 . The second electrode E2 may be manufactured according to the same photolithography process as the source line DLj and the power supply line PL, and may be made of the same material.

The first input electrode SE1 and the first output electrode DE1 have a first through hole CH1 and a second through hole CH2 penetrating the first insulating layer 12 and the second insulating layer 14 . are respectively connected to the first semiconductor pattern AL1 through the The first output electrode DE1 may be electrically connected to the first electrode E1. For example, the first output electrode DE1 may be connected to the first electrode E1 through a through hole (not shown) penetrating the second insulating layer 14 . The second input electrode SE2 and the second output electrode DE2 have a third through hole CH3 and a fourth through hole CH4 penetrating the first insulating layer 12 and the second insulating layer 14 . are respectively connected to the second semiconductor patterns AL2 through. Meanwhile, in another embodiment of the present invention, the first transistor TR1 and the second transistor TR2 may be modified into a bottom gate structure.

A third insulating layer 16 covering the first input electrode SE1, the first output electrode DE1, the second input electrode SE2, and the second output electrode DE2 on the second insulating layer 14. ) is placed. The third insulating layer 16 includes an organic layer and/or an inorganic layer. In particular, the third insulating layer 16 may include an organic material to provide a flat surface.

The pixel defining layer PXL and the organic light emitting diode OLED are disposed on the third insulating layer 16 . An opening OP is defined in the pixel defining layer PXL. The pixel defining layer PXL is like another insulating layer. The opening OP of FIG. 6B may correspond to the openings OP-R, OP-G, and OP-B of FIG. 5 .

The anode AE is connected to the second output electrode DE2 through the fifth through hole CH5 penetrating the third insulating layer 16 . The opening OP of the pixel defining layer PXL exposes at least a portion of the anode AE. The hole control layer HCL may be formed in common in the emission regions PXA-R, PXA-G, and PXA-B (see FIG. 5) and the non-emission region NPXA (see FIG. 5). An organic light emitting layer (EML) and an electron control layer (ECL) are sequentially formed on the hole control layer (HCL). Thereafter, the cathode CE may be formed in common with the light emitting regions PXA-R, PXA-G, and PXA-B and the non-emitting region NPXA. Depending on the layer structure of the cathode CE, it may be formed by deposition or sputtering.

The light emitting area PXA may be defined as an area where light is generated. The light emitting area PXA may be defined to correspond to the anode AE or the light emitting layer EML of the organic light emitting diode OLED.

A thin film encapsulation layer (TFE) for encapsulating the organic light emitting device layer (DP-OLED) is disposed on the cathode (CE). The thin film encapsulation layer (TFE) protects the organic light emitting device (OLED) from moisture and foreign substances.

7A to 7C are cross-sectional views of thin film encapsulation layers TFE1 , TFE2 , and TFE3 according to an embodiment of the present invention. The thin film encapsulation layers TFE1 , TFE2 , and TFE3 according to exemplary embodiments of the present invention will be described with reference to FIGS. 7A to 7C .

The thin film encapsulation layer includes at least two inorganic thin films and an organic thin film interposed therebetween. The inorganic thin films protect the organic light emitting diode (OLED) from moisture, and the organic thin films protect the organic light emitting diode (OLED) from foreign substances such as dust particles.

As shown in FIG. 7A , the thin film encapsulation layer TFE1 may include n inorganic thin films IOL1 to IOLn including the first inorganic thin film IOL1 contacting the cathode (CE, see FIG. 6B ). . The first inorganic thin film IOL1 may be defined as a lower inorganic thin film, and inorganic thin films other than the first inorganic thin film IOL1 among the n inorganic thin films IOL1 to IOLn may be defined as upper inorganic thin films.

The thin film encapsulation layer TFE1 includes n organic thin films OL1 to OLn, and the n organic thin films OL1 to OLn may be alternately disposed with the n inorganic thin films IOL1 to IOLn. The layer disposed on the uppermost layer may be an organic layer or an inorganic layer. The n organic thin films OL1 to OLn may have an average thickness greater than that of the n inorganic thin films IOL1 to IOLn.

Each of the n inorganic thin films IOL1 to IOLn may have a single layer including one material or multiple layers each including a different material. Each of the n organic thin films OL1 to OLn may be formed by depositing organic monomers. Organic monomers may include acrylic monomers.

As shown in FIG. 7B, the thin film encapsulation layer TFE2 includes a first inorganic thin film IOL1, a first organic thin film OL1, a second inorganic thin film IOL2, and a second organic thin film OL2 sequentially stacked. , and a third inorganic thin film IOL3. Figure 7b shows the thickness of the layers as an example.

The first inorganic thin film IOL1 may have a two-layer structure. The first sub-layer S1 may be a lithium fluoride layer, and the second sub-layer S2 may be an aluminum oxide layer. The first organic thin film OL1 is a first organic monomer layer, the second inorganic thin film IOL2 is a first silicon nitride layer, the second organic thin film OL2 is a second organic monomer layer, and the third inorganic thin film IOL2 is a first silicon nitride layer. (IOL3) may be a second silicon nitride layer.

As shown in FIG. 7C , the thin film encapsulation layer TFE3 may include a first inorganic thin film IOL10, a first organic thin film OL1, and a second inorganic thin film IOL20 sequentially stacked. The first inorganic thin film IOL10 may have a two-layer structure. The first sub-layer S10 may be a lithium fluoride layer, and the second sub-layer S20 may be a silicon oxide layer. The first organic thin film OL1 may be an organic monomer layer, and the second inorganic thin film IOL20 may have a two-layer structure. The second inorganic thin film 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. Each of the first sub-layer S100 and the second sub-layer S200 may be a silicon nitride layer.

8A and 8B are cross-sectional views of a display device according to an exemplary embodiment of the present invention. The display panels DP and DP-1 are briefly illustrated. 8A and 8B, the touch screen TS includes a first conductive layer TS-CL1, a first insulating layer TS-IL1, a second conductive layer TS-CL2, and a second conductive layer TS-CL1. and an insulating layer TS-IL2. Although not shown, the touch screen TS further includes a plurality of color filters.

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 directional axis DR3 . The conductive layer of the multilayer structure may include a transparent conductive layer and at least one metal layer. 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. The first conductive patterns and the second conductive patterns may include touch electrodes and touch signal lines.

In this embodiment, the first insulating layer TS-IL1 includes at least a color filter layer. The color filter layer includes a plurality of color filters. The color filters may be organic patterns containing dyes or pigments. The color filters may include a plurality of groups of color filters. For example, the color filters may include red color filters, green color filters, and blue color filters.

In one embodiment of the present invention, the first insulating layer TS-IL1 may further include a black matrix. The black matrix may include an organic material as a base material. The black matrix may contain a black pigment or black dye. Materials constituting the black matrix are not particularly limited.

In one embodiment of the present invention, the first insulating layer TS-IL1 may further include at least one of an inorganic material layer and an organic material layer. The inorganic material layer or the organic material layer may be a planarization layer providing a flat surface. The inorganic layer may include silicon oxide or silicon nitride. The organic material layer may include at least one of acrylic resin, methacrylic resin, polyisoprene, vinyl resin, epoxy resin, urethane resin, cellulose resin, and perylene resin.

In one embodiment of the present invention, the second insulating layer TS-IL2 may include a black matrix. The black matrix may include an organic material having a high light absorption rate as a base material. The black matrix may include black pigment or black dye.

In one embodiment of the present invention, the second insulating layer TS-IL2 may further include at least one of an inorganic layer and an organic layer. In particular, an organic material layer may be further included to provide a flat surface. The inorganic material may include silicon oxide or silicon nitride. The organic material may include at least one of acrylic resin, methacrylic resin, polyisoprene, vinyl resin, epoxy resin, urethane resin, cellulose resin, and perylene resin.

The laminated structure of the touch screen TS shown in FIGS. 8A and 8B is only an example, and the laminated structure of the touch screen TS is not limited thereto. In one embodiment of the present invention, the second insulating layer TS-IL2 may be omitted.

As shown in FIG. 8A , the first conductive layer TS-CL1 may be disposed on the thin film encapsulation layer TFE. In other words, the thin film encapsulation layer TFE provides the base surface BS on which the touch screen TS is disposed.

The display panel DP- 1 shown in FIG. 8B may further include a buffer layer BFL disposed on the thin film encapsulation layer TFE compared to the display panel DP shown in FIG. 8A. A buffer layer (BFL) provides a base surface (BS). The buffer layer BFL is an organic layer and may include other materials depending on its purpose. The buffer layer BFL may be an organic layer/inorganic layer for refractive index matching.

9A and 9B are plan views of the conductive layers TS-CL1 and TS-CL2 of the touch screen TS according to an embodiment of the present invention. 10A is a partially enlarged view of an area AA of FIG. 9A. 10B to 10D are partial cross-sectional views of FIG. 10A according to an embodiment of the present invention. 11A is a partially enlarged view of the BB region of FIG. 9B. 11B to 11E are partial cross-sectional views of FIG. 11A. 12A is a partially enlarged view of the CC region of FIGS. 9A and 9B. Figure 12b is a partial cross-sectional view of Figure 12a. In FIGS. 10B to 10D, 11B to 11E, and 12B, the organic light emitting device layer (DP-OLED) is briefly illustrated. The partial cross-sections shown in FIGS. 11B to 11E correspond to the partial cross-sections shown in FIGS. 10B to 10D.

In this embodiment, a 2-layer capacitive touch screen is shown as an example. A 2-layer capacitive touch screen may acquire coordinate information of a touched point in a self capacitance method or a mutual capacitance method. A driving method of the touch screen for obtaining coordinate information is not particularly limited.

As shown in FIG. 9A , the first conductive patterns may include first touch electrodes TE1-1 to TE1-3 and first touch signal lines SL1-1 to SL1-3. 9A illustrates three first touch electrodes TE1-1 to TE1-3 and first touch signal lines SL1-1 to SL1-3 connected thereto.

The first touch electrodes TE1 - 1 to TE1 - 3 extend in the first direction DR1 and are aligned in the second direction DR2 . Each of the first touch electrodes TE1-1 to TE1-3 has a mesh shape in which a plurality of touch openings are defined. A detailed description of the mesh shape will be described later.

Each of the first touch electrodes TE1-1 to TE1-3 includes a plurality of first sensor units SP1 and a plurality of first connection units CP1. The first sensor units SP1 are aligned in the first direction DR1. Each of the first connection parts CP1 connects two adjacent first sensor parts SP1 among the first sensor parts SP1.

The first touch signal lines SL1-1 to SL1-3 may also have a mesh shape. The first touch signal lines SL1-1 to SL1-3 may have the same layer structure as the first touch electrodes TE1-1 to TE1-3.

* As shown in FIG. 9B , the second conductive patterns may include second touch electrodes TE2-1 to TE2-3 and second touch signal lines SL2-1 to SL2-3. 9B exemplarily illustrates three second touch electrodes TE2-1 to TE2-3 and second touch signal lines SL2-1 to SL2-3 connected thereto.

The second touch electrodes TE2 - 1 to TE2 - 3 insulate and cross the first touch electrodes TE1 - 1 to TE1 - 3 . Each of the second touch electrodes TE2 - 1 to TE2 - 3 has a mesh shape in which a plurality of touch openings are defined.

Each of the second touch electrodes TE2-1 to TE2-3 includes a plurality of second sensor units SP2 and a plurality of second connection units CP2. The second sensor units SP2 are aligned in the second direction DR2. Each of the second connection parts CP2 connects two adjacent second sensor parts SP2 among the second sensor parts SP2.

The second touch signal lines SL2 - 1 to SL2 - 3 may also have a mesh shape. The second touch signal lines SL2-1 to SL2-3 may have the same layer structure as the second touch electrodes TE2-1 to TE2-3.

*The first touch electrodes TE1-1 to TE1-3 and the second touch electrodes TE2-1 to TE2-3 are electrostatically coupled. As touch sensing signals are applied to the first touch electrodes TE1-1 to TE1-3, capacitors are formed between the first sensor units SP1 and the second sensor units SP2.

In the present invention, the shapes of the first touch electrodes TE1-1 to TE1-3 and the second touch electrodes TE2-1 to TE2-3 including the sensor unit and the connection unit are only one embodiment and are limited thereto. It doesn't work. It is sufficient if the connection part is defined as a part where the first touch electrodes TE1-1 to TE1-3 and the second touch electrodes TE2-1 to TE2-3 intersect, and the sensor part is defined by the first touch electrodes TE1 -1 to TE1-3) and the second touch electrodes TE2-1 to TE2-3 are defined as non-overlapping portions. For example, each of the first touch electrodes TE1-1 to TE1-3 and the second touch electrodes TE2-1 to TE2-3 may have a bar shape with a constant width.

As shown in FIG. 10A , the first sensor unit SP1 overlaps the non-emission area NPXA adjacent to the light emitting areas PXA. The first sensor unit SP1 includes a plurality of first vertical parts SP1-C extending in the first direction DR1 and a plurality of first horizontal parts SP1-L extending in the second direction DR2. include The plurality of first vertical parts SP1 -C and the plurality of first horizontal parts SP1 -L may be defined as mesh lines. The line width of the mesh line may be several microns.

The plurality of first vertical parts SP1 -C and the plurality of first horizontal parts SP1 -L are connected to each other to form a plurality of touch openings TS-OP. In other words, the first sensor unit SP1 has a mesh shape having a plurality of touch openings TS-OP. Although it is illustrated that the touch openings TS-OP correspond to the light emitting areas PXA one-to-one, it is not limited thereto. One touch opening TS-OP may correspond to two or more light emitting areas PXA. That is, two or more light emitting regions PXA may be disposed inside one touch opening TS-OP.

As shown in FIG. 10B , the thin film encapsulation layer TFE provides the base surface BS. The first black matrix TS-BM1 is disposed on the base surface BS and covers the first sensor part SP1, that is, the first horizontal part SP1-L. Although not separately shown, the first black matrix TS-BM1 also covers the first connection part CP1 and the first touch signal lines SL1-1 to SL1-3. The first black matrix TS-BM1 overlaps the non-emission area NPXA. A plurality of first openings BM1 -OP corresponding to the plurality of light emitting regions PXA are defined in the first black matrix TS-BM1. Planar shapes of the plurality of light emitting regions PXA and the plurality of first openings BM1 -OP may be identical to each other. In other words, the first black matrix TS-BM1 has substantially the same shape as the non-emission area NPXA (for example, the first black matrix TS-BM1 has the non-emission area NPXA and the first direction DR1 and have the same widths in the second direction DR2). However, the present invention is not limited thereto, and the plurality of light emitting regions PXA and the plurality of first openings BM1 -OP may have different shapes or areas.

The color filters CF may be respectively disposed inside the plurality of first openings BM1 -OP. The color filters CF may include a plurality of groups of color filters. For example, the color filters CF may include red color filters, green color filters, and blue color filters.

Colors of the color filters CF may be selected differently for each of the first openings BM1 -OP in consideration of colors of light generated from the organic light emitting diodes OLED. For example, red color filters are disposed to overlap organic light emitting diodes (OLED) generating red light, green color filters are disposed to overlap organic light emitting diodes (OLED) generating green light, and blue color filters are disposed to overlap organic light emitting diodes (OLED) generating green light. It is disposed to overlap organic light emitting diodes (OLED) generating blue light.

The color filters CF not only transmit light generated from the organic light emitting diodes OLED, but also reduce reflectance of external light. In addition, the amount of external light is reduced to about 1/3 as it passes through the color filters CF. Light passing through the color filters CF is partially extinguished and partially reflected from the organic light emitting device layer DP-OLED and the thin film encapsulation layer TFE. The reflected light is incident on the color filters CF. As the reflected light passes through the color filters CF, the amount of light is reduced to about 1/3. As a result, only some of the external light is reflected from the display device.

An insulating layer TS-IL is disposed on the first black matrix Ts-BM1 and the plurality of color filters CF. The insulating layer TS-IL may be a planarization layer providing a planar surface FS. The insulating layer TS-IL overlaps the plurality of emission areas PXA and the non-emission area NPXA.

A second black matrix TS-BM2 is disposed on the insulating layer TS-IL. A plurality of second openings BM2-OP corresponding to the plurality of first openings BM1-OP are defined in the second black matrix TS-BM2. The first black matrix TS-BM1 in which the plurality of first openings BM1-OP are defined and the second black matrix TS-BM2 in which the plurality of second openings BM2-OP are defined have the same shape. can have However, it is not limited thereto, and in one embodiment of the present invention, the second black matrix TS-BM2 may be omitted. Hereinafter, it will be described in more detail with reference to FIG. 11C.

10c and 10d show a more enlarged view of the non-emission area NPAX shown in FIG. 10b. Components below the base surface BS are omitted. As shown in FIG. 10C , edge portions of the color filters CF may partially overlap the first black matrix TS-BM1. As shown in FIG. 10D , the color filters CF may have a height different from that of the first black matrix TS-BM1. The insulating layer TS-IL removes the level difference generated during the process and provides a flat surface FS. A second black matrix TS-BM2 is disposed on the flat surface FS.

As shown in FIGS. 11A and 11B , the second sensor unit SP2 overlaps the non-emission area NPXA. The second sensor unit SP2 includes a plurality of second vertical parts SP2-C extending in the first direction DR1 and a plurality of second horizontal parts SP2-L extending in the first direction DR1. include

The plurality of second vertical parts SP2 -C and the plurality of second horizontal parts SP2 -L are connected to each other to form a plurality of touch openings TS-OP. In other words, the second sensor unit SP2 has a mesh shape.

As shown in FIG. 11B , the second sensor unit SP2, that is, the second vertical portions SP2-C is disposed on the flat surface FS. The second black matrix TS-BM2 covers the second sensor unit SP2, that is, the second vertical portions SP2-C.

As shown in FIG. 11C , the second black matrix TS-BM2 may be omitted. At this time, the second sensor unit SP2 includes a conductive light blocking material. The conductive light blocking material includes a conductive material having a low reflectance. For example, the conductive light blocking material includes any one of chromium oxide, chromium nitride, titanium oxide, and titanium nitride, or an alloy thereof.

11c and 11d show a more enlarged view of the non-emission area NPAX corresponding to FIGS. 10c and 10d. The insulating layer TS-IL removes the step difference generated in the process, and the second vertical portions SP2 -C are disposed on the insulating layer TS-IL.

* FIG. 12A shows a state in which FIGS. 9A and 9B overlap. As shown in FIGS. 12A and 12B , the first connection part CP1 includes third vertical parts CP1 - C1 and CP1 - C2 disposed on the thin film encapsulation layer TFE and third vertical parts CP1 - C1 . , CP1-C2) may include third horizontal parts CP1-L connecting them. Although two third vertical parts CP1-C1 and CP1-C2 are shown, it is not limited thereto.

The second connection part CP2 connects the fourth horizontal parts CP2-L1 and CP2-L2 and the fourth horizontal parts CP2-L1 and CP2-L2 disposed on the first black matrix TS-BM1. It may include fourth vertical parts CP2 -C. The first connection part CP1 may have a mesh shape, and the second connection part CP2 may also have a mesh shape.

12A and 12B show a layer structure corresponding to FIGS. 10B and 11B, but is not limited thereto. A cross-sectional structure corresponding to the connection parts CP1 and CP2 of the touch screen TS may be modified as shown in FIGS. 11C to 11E.

As described above, since the first touch electrodes TE1-1 to TE1-3 and the second touch electrodes TE2-1 to TE2-3 have a mesh shape, the flexibility of the flexible display device DD is improved. It improves. When the flexible display device DD is bent as shown in FIGS. 1B and 2B , applied to the first touch electrodes TE1-1 to TE1-3 and the second touch electrodes TE2-1 to TE2-3 Their cracking can be prevented by reducing the tensile stress/compressive stress. 13A and 13B are plan views of conductive layers of the touch screen TS-1 according to an embodiment of the present invention. 13C is a partially enlarged view of the CC region of FIGS. 13A and 13B. Fig. 13d is a partial cross-sectional view of Fig. 13c. Hereinafter, a detailed description of the same configuration as the configuration described with reference to FIGS. 1 to 12B will be omitted.

In this embodiment, a 1-layer capacitive touch screen is shown as an example. It can be driven in a self capacitance method, and the driving method of the touch screen for acquiring coordinate information is not particularly limited.

As shown in FIG. 13A, the first conductive patterns include first touch electrodes TE1-1 to TE1-3, first touch signal lines SL1-1 to SL1-3, and second touch electrodes ( It may include second sensor units SP2 of TE2-1 to TE2-3 and second touch signal lines SL2-1 to SL2-3. Each of the first touch electrodes TE1-1 to TE1-3 includes a plurality of first sensor units SP1 and a plurality of first connection units CP1.

In other words, the plurality of first sensor parts SP1, the plurality of first connection parts CP1, and the second sensor parts SP2 are disposed on the same layer. Although not separately shown, each of the AA area and the BB area may have a structure shown in FIGS. 10B to 10D in cross section.

As shown in FIG. 13B , the second conductive patterns include a plurality of second connection parts CP2 of the second touch electrodes TE2 - 1 to TE2 - 3 . The second connection parts CP2 have a bridge function.

As shown in FIGS. 13C and 13D , the second connection part CP2 includes the first through hole TS-CH1 and the second through hole TS-CH2 penetrating the first black matrix TS-BM1. Through this, two second sensor parts SP2 adjacent to each other in the second direction DR2 among the second sensor parts SP2 are electrically connected.

In this embodiment, it is sufficient if the second black matrix TS-BM2 overlaps the second connection part CP2. That is, the second black matrix TS-BM2 may overlap only a portion of the non-emission area NPXA.

14A and 14B are plan views of conductive layers of the touch screen TS-2 according to an embodiment of the present invention. Hereinafter, a detailed description of the same configuration as the configuration described with reference to FIGS. 1 to 13D will be omitted.

As shown in FIG. 14A , the first conductive patterns may include first touch electrodes TE1-1 to TE1-4 and first touch signal lines SL1-1 to SL1-4. 14A illustrates four first touch electrodes TE1-1 to TE1-4 and first touch signal lines SL1-1 to SL1-4 connected thereto.

Each of the first touch electrodes TE1 - 1 to TE1 - 4 extends in the first direction DR1 and is aligned in the second direction DR2 . Each of the first touch electrodes TE1-1 to TE1-4 has a mesh shape in which a plurality of touch openings are defined. The first touch electrodes TE1 - 1 to TE1 - 4 have the same first width W1 in the second direction DR2 . A width W1 of each of the first touch electrodes TE1 - 1 to TE1 - 4 may be constant in the first direction DR1 . The first touch electrodes TE1 - 1 to TE1 - 4 are spaced apart from each other at the same first distance D1 in the second direction DR2 . The first touch electrodes TE1-1 to TE1-4 may receive detecting signals for driving the touch screen. The detecting signals are AC signals.

As shown in FIG. 14B , the second conductive patterns may include second touch electrodes TE2-1 to TE2-6 and second touch signal lines SL2-1 to SL2-6. 14B exemplarily illustrates six first touch electrodes TE2-1 to TE2-6 and second touch signal lines SL2-1 to SL2-6 connected thereto.

Each of the second touch electrodes TE2 - 1 to TE2 - 6 extends in the second direction DR2 and is aligned in the first direction DR1 . Each of the second touch electrodes TE2 - 1 to TE2 - 6 has a mesh shape in which a plurality of touch openings are defined. The second touch electrodes TE2 - 1 to TE2 - 6 have the same second width W2 in the first direction DR1 . Each of the second touch electrodes TE2 - 1 to TE2 - 6 may have a constant width. The second touch electrodes TE2 - 1 to TE2 - 6 are spaced apart from each other at the same second distance D2 in the first direction DR1 . The second touch electrodes TE2-1 to TE2-6 are capacitively coupled to the first touch electrodes TE1-1 to TE1-4, and touch is received from the second touch electrodes TE2-1 to TE2-6. Signals can be read out.

As shown in FIGS. 14A and 14B , the first touch electrodes TE1-1 to TE1-4 are disposed closer than the second touch electrodes TE2-1 to TE2-6, so that the first touch electrode The TE1-1 to TE1-4 block noise of the display panel DP (refer to FIG. 2A) that interferes with the second touch electrodes TE2-1 to TE2-6. This is because the first touch electrodes TE1 - 1 to TE1 - 4 are disposed adjacently to cover most of the second touch electrodes TE2 - 1 to TE2 - 6 . That is, the first touch electrodes TE1 - 1 to TE1 - 4 may block most of the noise interference path.

15A and 15B are plan views of conductive layers of a touch screen TS-3 according to an embodiment of the present invention. 16A is a partially enlarged view of the DD region of FIGS. 15A and 15B. Fig. 16B is a partial cross-sectional view of Fig. 16A. Hereinafter, a detailed description of the same configuration as the configuration described with reference to FIGS. 1 to 16B will be omitted.

As shown in FIGS. 15A and 15B , the first conductive patterns may include first touch electrodes TE1-1 to TE1-3 and shielding electrodes SPE. Each of the first touch electrodes TE1-1 to TE1-3 includes a plurality of first sensor units SP1 and a plurality of first connection units CP1. The second conductive patterns may include second touch electrodes TE2 - 1 to TE2 - 3 . Each of the second touch electrodes TE2-1 to TE2-3 includes a plurality of second sensor units SP2 and a plurality of second connection units CP2.

Each of the shielding electrodes SPE may overlap a corresponding second sensor unit among the plurality of second sensor units SP2 . Each of the shielding electrodes SPE may have a mesh shape. Each of the shielding electrodes SPE may be a floating electrode. Each of the shielding electrodes SPE may receive a ground voltage. Although not separately illustrated, among the shielding electrodes SPE, electrodes arranged in the first direction DR1 may be connected to each other. The shielding electrodes SPE blocks noise of the display panel DP (refer to FIG. 2A) from interfering with the second sensor units SP2.

16A and 16B show the relationship between the shielding electrode SPE and the second sensor unit SP2 in detail. The shielding electrode SPE is shown by a dotted line and the second sensor unit SP2 is shown by a solid line. Although the line width of the second sensor unit SP2 is larger than that of the shielding electrode SPE, it is not limited thereto. The line width of the second sensor unit SP2 and the line width of the shielding electrode SPE may be the same. Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art or those having ordinary knowledge in the art do not deviate from the spirit and technical scope of the present invention described in the claims to be described later. It will be understood that the present invention can be variously modified and changed within the scope not specified.

Therefore, the technical scope of the present invention is not limited to the contents described in the detailed description of the specification, but should be defined by the claims.

WM: Window member WM-BS: Base member
WM-BM: Bezel layer TS: Touch screen
DP: display panel

Claims (25)

a display panel that provides a base surface and includes a plurality of light-emitting areas and a non-light-emitting area adjacent to the plurality of light-emitting areas;
A touch screen disposed on the base surface;
The touch screen,
first conductive patterns disposed on the base surface and overlapping the non-emission area;
a first black matrix disposed on the base surface, covering the first conductive patterns, and defining a plurality of first openings corresponding to the plurality of emission regions;
a plurality of color filters each disposed inside a corresponding first opening among the plurality of first openings;
an insulating layer disposed on the first black matrix and the plurality of color filters to be in contact with each other, and overlapping the plurality of light emitting regions and the non-light emitting region; and
second conductive patterns disposed on the insulating layer and in contact with each other and overlapping the non-emission region;
The first conductive patterns extend in a first direction and are arranged in a second direction crossing the first direction, and each includes first touch electrodes in which a plurality of first touch openings are defined,
The second conductive patterns include second touch electrodes extending in the second direction and arranged in the first direction, each having a plurality of second touch openings defined therein;
Two adjacent first touch electrodes among the first touch electrodes are spaced apart by a first distance in the first direction;
Two adjacent second touch electrodes among the second touch electrodes are spaced apart in the second direction at a second distance greater than the first distance. According to claim 1,
The second conductive patterns include any one of chromium oxide, chromium nitride, titanium oxide, and titanium nitride, or an alloy thereof. According to claim 1,
and a second black matrix disposed on the insulating layer, covering the second conductive patterns, and overlapping the non-emission area. According to claim 3,
The flexible display device of claim 1 , wherein a plurality of second openings corresponding to the plurality of light emitting regions are defined in the second black matrix. According to claim 3,
An edge of each of the plurality of color filters overlaps the second black matrix. According to claim 1,
The flexible display device according to claim 1 , wherein each of the first conductive patterns and the second conductive patterns has a mesh shape. According to claim 1,
The display panel,
base substrate;
a circuit layer disposed on the base substrate;
an organic light emitting diode layer disposed on the circuit layer; and
A flexible display device comprising a thin film encapsulation layer encapsulating the organic light emitting element layer.
According to claim 7,
The flexible display device, wherein the thin film encapsulation layer provides the base surface.
According to claim 8,
The thin film encapsulation layer,
a lower inorganic thin film in contact with the organic light emitting device layer;
organic thin films disposed on the base surface;
A flexible display device including upper inorganic thin films alternately stacked with the organic thin films.
According to claim 1,
The plurality of color filters include red color filters, green color filters, and blue color filters.
According to claim 1,
The second conductive patterns each include second connection parts connecting two second sensor parts adjacent in the second direction among second sensor parts through through-holes penetrating the first black matrix and the insulating layer. flexible display device. According to claim 1,
Each of the first touch electrodes has a constant width in the second direction. According to claim 1,
Each of the second touch electrodes has a constant width in the first direction. a display panel that provides a base surface and includes a plurality of light-emitting areas and a non-light-emitting area adjacent to the plurality of light-emitting areas;
A touch screen disposed on the base surface;
The touch screen,
first conductive patterns disposed on the base surface and overlapping the non-emission area;
a first black matrix disposed on the base surface, covering the first conductive patterns, and defining a plurality of first openings corresponding to the plurality of emission regions;
a plurality of color filters each disposed inside a corresponding first opening among the plurality of first openings;
an insulating layer disposed on the first black matrix and the plurality of color filters to be in contact with each other, and overlapping the plurality of light emitting regions and the non-light emitting region; and
second conductive patterns disposed on the insulating layer and in contact with each other and overlapping the non-emission region;
The first conductive patterns,
first touch electrodes in which a plurality of first touch openings corresponding to the plurality of first openings are defined; and
Includes shielding electrodes spaced apart from the first touch electrodes,
The second conductive patterns,
A plurality of second touch openings intersecting the first touch electrodes and corresponding to the plurality of first openings are defined, and each of the second touch electrodes overlapping the corresponding shielding electrodes among the shielding electrodes Including flexible display device. According to claim 14,
Each of the first touch electrodes includes first sensor units and first connection units each connecting two adjacent first sensor units among the first sensor units,
Each of the second touch electrodes includes second sensor units overlapping corresponding ones of the shielding electrodes and second connection units each connecting two adjacent second sensor units among the second sensor units. Including flexible display device. According to claim 14,
The shielding electrodes receive a ground voltage flexible display device. According to claim 14,
The second conductive patterns include any one of chromium oxide, chromium nitride, titanium oxide, and titanium nitride, or an alloy thereof. According to claim 14,
and a second black matrix disposed on the insulating layer, covering the second conductive patterns, and overlapping the non-emission area. According to claim 18,
The flexible display device of claim 1 , wherein a plurality of second openings corresponding to the plurality of light emitting regions are defined in the second black matrix. According to claim 18,
An edge of each of the plurality of color filters overlaps the second black matrix. According to claim 14,
The flexible display device according to claim 1 , wherein each of the first conductive patterns and the second conductive patterns has a mesh shape. According to claim 14,
The display panel,
base substrate;
a circuit layer disposed on the base substrate;
an organic light emitting diode layer disposed on the circuit layer; and
A flexible display device comprising a thin film encapsulation layer encapsulating the organic light emitting element layer. 23. The method of claim 22,
The flexible display device, wherein the thin film encapsulation layer provides the base surface. According to claim 23,
The thin film encapsulation layer,
a lower inorganic thin film in contact with the organic light emitting device layer;
organic thin films disposed on the base surface;
A flexible display device including upper inorganic thin films alternately stacked with the organic thin films. According to claim 14,
The plurality of color filters include red color filters, green color filters, and blue color filters.