Display devices

Abstract

A display device is disclosed, comprising: a display member including a substrate and a light-emitting element arranged on the substrate, the substrate having an active area and an inactive area, the inactive area including a bending area; and a touch member arranged on the display member and having a main touch area, wherein the touch member includes a touch electrode arranged in the main touch area and a touch line connected to the touch electrode, the main touch area corresponds to the active area, and a portion of the touch line corresponds to the inactive area, the touch line includes a first touch line portion arranged on the upper side of the bending area and a second touch line portion arranged on the lower side of the bending area, and the number of conductive layers forming the first touch line portion is greater than the number of conductive layers forming the second touch line portion.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to and the benefit of Korean Patent Application No. 10-2019-0091268, filed on Jul. 26, 2019, which is hereby incorporated by reference for all purposes as if fully set forth herein. Technical Field

[0003] Example embodiments of the present invention generally relate to display devices. Background Art

[0004] Electronic devices such as smartphones, tablet PCs, digital cameras, laptops, navigation devices, and smart TVs that provide images to users include display devices for displaying images. Such display devices include various input devices and display panels for generating and displaying images.

[0005] Recently, touch components capable of detecting touch input have been adopted in display devices for smartphones and tablet PCs. Such touch components can be formed directly on the display component, simplifying the manufacturing process and reducing the thickness of the display device. Touch components typically include two conductive layers: a first conductive layer and a second conductive layer. They may also include a first insulating layer for insulating the first conductive layer from the conductive layer below it, and a second insulating layer for insulating the first conductive layer from the second conductive layer. However, external air, moisture, and the like may penetrate the exposed second conductive layer of the touch component, potentially causing the touch component to malfunction.

[0006] The above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute prior art. Summary of the Invention

[0007] The display device constructed according to the exemplary embodiment of the present invention has a thin thickness and includes a touch member capable of preventing the conductive layer of the touch member from being exposed.

[0008] Additional features of the inventive concept will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the inventive concept.

[0009] According to an exemplary embodiment, a display device includes: a display member including a substrate and a light-emitting element arranged on the substrate, the substrate having an active area and an inactive area located around the active area, the inactive area including a bending area; and a touch member provided on the display member and having a main touch area, wherein the touch member includes a touch electrode provided in the main touch area and a touch line connected to the touch electrode, the main touch area corresponds to the active area, and a portion of the touch line corresponds to the inactive area, the touch line includes a first touch line portion provided on an upper side of the bending area and a second touch line portion provided on a lower side of the bending area, and the number of conductive layers forming the first touch line portion is greater than the number of conductive layers forming the second touch line portion.

[0010] The touch member may include a first touch insulating layer arranged on the display member, a first touch conductive layer arranged on the first touch insulating layer, a second touch insulating layer arranged on the first touch conductive layer, and a second touch conductive layer arranged on the second touch insulating layer, wherein the first touch line portion may include the first touch conductive layer and the second touch conductive layer electrically connected to the first touch conductive layer, and the second touch line portion may include the first touch conductive layer.

[0011] The first touch conductive layer may include a (1-1) touch connection electrode that is arranged in the main touch area and forms a first touch line portion and a (1-2) touch connection electrode that forms a second touch line portion, the second touch conductive layer may include a (2-1) touch connection electrode that forms the first touch line portion, and the (1-1) touch connection electrode and the (2-1) touch connection electrode may overlap with each other in the thickness direction and be electrically connected to each other through the first contact hole.

[0012] The display device may further include a polarization member disposed on an upper side of the bent area on the first touch line portion, wherein the polarization member may include a polarization layer and a polarization adhesive layer disposed on the polarization layer and in direct contact with the (2-1) touch connection electrode.

[0013] The touch line may also include a third touch line portion arranged between the first touch line portion and the second touch line portion, wherein the third touch line portion may include a source connection electrode, which is arranged in the bending area and electrically connected to the (2-1) touch connection electrode through the second contact hole.

[0014] The second contact hole may be provided in the bent region.

[0015] The display member may further include a buffer layer disposed on the substrate, a first display conductive layer disposed on the buffer layer, a first insulating layer disposed on the first display conductive layer, a second display conductive layer disposed on the first insulating layer, and a protective layer disposed on the second display conductive layer.

[0016] The display device may further include a via layer disposed between the second display conductive layer and the substrate, and a curved protection layer disposed on the protection layer in the curved region, wherein the second display conductive layer may include a source connection electrode.

[0017] The touch line may further include a fourth touch line portion arranged between the third touch line portion and the second touch line portion, wherein the second touch conductive layer may further include a (2-2) touch connection electrode forming the fourth touch line portion and overlapping the (1-2) touch connection electrode in the thickness direction.

[0018] The (2-2) touch connection electrode may be electrically connected to the source connection electrode through a third contact hole and electrically connected to the (1-2) touch connection electrode through a fourth contact hole, and the third contact hole may be disposed closer to the bending area than the fourth contact hole.

[0019] The bending protection layer may extend to an upper side of the bending region and contact an upper surface and a side surface of the (2-1) touch connection electrode.

[0020] The third contact hole may be disposed in the bending region, and the fourth contact hole may be disposed on a lower side of the bending region.

[0021] A side surface of the curved protection layer may be in direct contact with a side surface of the polarization member.

[0022] The touch line may also include a third touch line portion arranged between the first touch line portion and the second touch line portion, and the third touch line portion may include a source connection electrode, which is arranged in the bending area and electrically connected to the (1-1) touch connection electrode through a second contact hole arranged in the bending area.

[0023] (1-2) The touch connection electrode may be electrically connected to the source connection electrode through a third contact hole provided in the bending region, and the third contact hole may be provided closer to a lower side of the bending region than the second contact hole.

[0024] A first width of the first touch line portion may be smaller than a second width of the second touch line portion.

[0025] The display device may further include a light blocking pattern and a color filter layer, the light blocking pattern overlapping an upper side of the bending area on the touch member, wherein the light blocking pattern may be in direct contact with the second touch conductive layer.

[0026] According to another exemplary embodiment, a display device includes: a display member including a substrate and a light-emitting element arranged on the substrate, the substrate having an active area and a non-active area located around the active area, the non-active area including a bending area; and a touch member provided on the display member and having a main touch area, wherein the touch member includes a touch electrode provided in the main touch area and a touch line connected to the touch electrode, the main touch area corresponds to the active area and a portion of the touch line corresponds to the non-active area, the touch line includes a first touch line portion provided on an upper side of the bending area and a second touch line portion provided on a lower side of the bending area, and a first width of the first touch line portion is smaller than a second width of the second touch line portion.

[0027] The touch member may include a first touch insulating layer arranged on the display member, a first touch conductive layer arranged on the first touch insulating layer, a second touch insulating layer arranged on the first touch conductive layer, and a second touch conductive layer arranged on the second touch insulating layer, wherein the first touch line portion may include the first touch conductive layer and the second touch conductive layer electrically connected to the first touch conductive layer, and the second touch line portion may include the first touch conductive layer.

[0028] The first touch conductive layer may include a (1-1) touch connection electrode that is arranged on the upper side of the bending area and forms a first touch line portion and a (1-2) touch connection electrode that forms a second touch line portion, the second touch conductive layer may include a (2-1) touch connection electrode that forms the first touch line portion, and the (1-1) touch connection electrode and the (2-1) touch connection electrode may overlap with each other in the thickness direction and be electrically connected to each other through the first contact hole.

[0029] The touch line may also include a third touch line portion arranged between the first touch line portion and the second touch line portion, the third touch line portion including a source connection electrode, the source connection electrode being arranged in the bending area and electrically connected to the (2-1) touch connection electrode through the second contact hole, wherein the third width of the third touch line portion may be greater than the first width of the first touch line portion.

[0030] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the inventive concept.

[0032] Figure 1 is a plan view illustrating a layout of a display device according to an exemplary embodiment.

[0033] Figure 2 is a cross-sectional view of a curved display apparatus according to an exemplary embodiment.

[0034] Figure 3 is a cross-sectional view of a display device according to an exemplary embodiment.

[0035] Figure 4 is a cross-sectional view of a main area of ​​a display device according to an exemplary embodiment.

[0036] Figure 5 is a plan view illustrating a layout of a display member and a touch member of a display device according to an exemplary embodiment.

[0037] Figure 6 Shown are respectively along Figure 5 A cross-sectional view taken along line IV-IV' and line V-V'.

[0038] Figure 7 yes Figure 5 An enlarged plan view of area FF1.

[0039] Figure 8 It is along Figure 7 A cross-sectional view taken along line VI-VI'.

[0040] Figure 9 is a view showing the layout of signal lines arranged in the main area, the bending area, and the subsidiary area.

[0041] Figure 10 It is along Figure 9 A cross-sectional view taken along line VII-VII'.

[0042] Figure 11 It is along Figure 9 A sectional view taken along line VIII-VIII'.

[0043] Figure 12 It is along Figure 9 A sectional view taken along line IX-IX'.

[0044] Figure 13 It is along Figure 9 A cross-sectional view taken along line XX'.

[0045] Figure 14 It is along Figure 9 A sectional view taken along line XI-XI'.

[0046] Figure 15 and Figure 16 are cross-sectional views illustrating processing steps for forming a bending protection layer.

[0047] Figure 17is a view illustrating a layout of signal lines arranged in a main region, a bending region, and an auxiliary region according to another exemplary embodiment.

[0048] Figure 18 It is along Figure 17 A sectional view taken along line XV-XV'.

[0049] Figure 19 is a view illustrating a layout of signal lines arranged in a main region, a bending region, and an auxiliary region according to still another exemplary embodiment.

[0050] Figure 20 It is along Figure 19 A sectional view taken along line XX-XX'.

[0051] Figure 21 is a cross-sectional view of a display panel according to another exemplary embodiment.

[0052] Figure 22 is a plan view illustrating a layout of a display member and a touch member of a display device according to another exemplary embodiment.

[0053] Figure 23 is a cross-sectional view of a portion of a display panel according to still another exemplary embodiment.

[0054] Figure 24 is a cross-sectional view of a portion of a display panel according to still another exemplary embodiment.

[0055] Figure 25 is a cross-sectional view of a portion of a display panel according to still another exemplary embodiment.

[0056] Figure 26 is a cross-sectional view of a portion of a display panel according to still another exemplary embodiment. DETAILED DESCRIPTION

[0057] In the following description, for the purpose of explanation, many specific details are set forth to provide a thorough understanding of various exemplary embodiments or embodiments of the present invention. As used herein, "embodiment" and "embodiment" are interchangeable words, which are non-limiting examples of one or more devices or methods using the inventive concepts disclosed herein. However, it is apparent that various exemplary embodiments can be practiced without these specific details or using one or more equivalent arrangements. In other cases, in order to avoid unnecessarily blurring the various exemplary embodiments, well-known structures and devices are shown in block diagram form. In addition, various exemplary embodiments can be different, but do not have to be exclusive. For example, without departing from the present invention, the specific shape, configuration and features of the exemplary embodiment can be used or implemented in another exemplary embodiment.

[0058] Unless otherwise specified, the exemplary embodiments shown are to be understood as providing exemplary features of different details of some ways in which the inventive concept can be implemented in practice. Therefore, unless otherwise specified, the features, components, modules, layers, films, panels, regions and / or aspects of the various embodiments (hereinafter, individually or collectively referred to as "elements") may be further combined, separated, interchanged and / or rearranged without departing from the inventive concept.

[0059] The cross hatching and / or shading used in the accompanying drawings is generally provided to clarify the boundaries between adjacent elements. Therefore, unless otherwise specified, the presence or absence of cross hatching or shading does not convey or indicate any preference or requirement for a particular material, material properties, size, ratio, commonality between the elements shown and / or any other characteristics, attributes, properties, etc. of the elements. In addition, in the accompanying drawings, the sizes and relative sizes of the elements may be exaggerated for clarity and / or descriptive purposes. When the exemplary embodiments can be implemented differently, a specific process sequence can be performed in a different order than described. For example, two consecutively described processes can be performed substantially simultaneously, or in an order opposite to the described order. In addition, the same reference numerals represent the same elements.

[0060] When an element or layer is referred to as being "on," "connected to," or "coupled to" another element or layer, it may be directly on, directly connected to, or directly coupled to the other element or layer, or there may be intervening elements or layers. However, when an element or layer is referred to as being "directly on," "directly connected to," or "directly coupled to" another element or layer, there may be no intervening elements or layers. For this purpose, the term "connected" may refer to physical, electrical, and / or fluid connections with or without intervening elements. Additionally, the DR1-axis and DR2-axis are not limited to axes of a rectangular coordinate system (such as the x-axis, y-axis, and z-axis) and may be interpreted in a broader sense. For example, the DR1-axis and DR2-axis may be perpendicular to each other, or may represent different directions that are not perpendicular to each other. For the purposes of this disclosure, "at least one of X, Y, and Z" and "at least one selected from the group consisting of X, Y, and Z" may be interpreted as only X, only Y, only Z, or any combination of two or more of X, Y, and Z, such as, for example, XYZ, XYY, YZ, and ZZ. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0061] Although the terms "first," "second," etc. may be used herein to describe various types of elements, these elements should not be limited by these terms. These terms are used to distinguish one element from another. Thus, the first element discussed below may be referred to as the second element without departing from the teachings of the present disclosure.

[0062] For descriptive purposes, spatially relative terms such as "below," "beneath," "under," "down," "above," "upper," "on," "higher," "side" (e.g., as in "sidewall"), etc. may be used herein to describe the relationship of one element to another element(s) as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture in addition to the orientations depicted in the figures. For example, if the device in the drawings is turned over, an element described as "below" or "beneath" another element or feature would then be oriented "above" the other element or feature. Thus, the exemplary term "below" can include both the "above" and "below" orientations. Furthermore, the device may be otherwise oriented (e.g., rotated 90 degrees or in other orientations), and therefore, the spatially relative descriptors used herein should be interpreted accordingly.

[0063] The terms used herein are for the purpose of describing specific embodiments and are not intended to be limiting. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. In addition, when the terms "comprises," "comprising," "includes," and / or "including" are used in this specification, the presence of the features, wholes, steps, operations, elements, components, and / or groups thereof set forth is specified, but the presence or addition of one or more other features, wholes, steps, operations, elements, components, and / or groups thereof is not excluded. It should also be noted that, as used herein, the terms "substantially," "about," and other similar terms are used as terms of approximation rather than terms of degree, and are therefore used to allow for inherent deviations in measured, calculated, and / or provided values ​​that will be recognized by those of ordinary skill in the art.

[0064] Various exemplary embodiments are described herein with reference to cross-sectional views and / or exploded views that are schematic diagrams of idealized exemplary embodiments and / or intermediate structures. Therefore, variations in the shapes of the illustrations due to, for example, manufacturing techniques and / or tolerances are to be expected. Therefore, the exemplary embodiments disclosed herein should not necessarily be construed as limited to the specific shapes of the regions shown, but rather are to include deviations in shapes due to, for example, manufacturing. In this manner, the regions shown in the figures may be schematic in nature, and the shapes of these regions may not reflect the actual shapes of regions of the device and are therefore not necessarily intended to be limiting.

[0065] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by those skilled in the art to which the present disclosure belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant art and should not be interpreted in an idealized or overly formal sense unless expressly defined herein.

[0066] Figure 1 is a plan view illustrating a layout of a display device according to an exemplary embodiment. Figure 2 is a cross-sectional view of a portion of a display apparatus according to an exemplary embodiment. Figure 3 is a cross-sectional view of a display device according to an exemplary embodiment.

[0067] In some exemplary embodiments, the first direction DR1 may intersect with the second direction DR2. Figure 1 In a plan view of FIG, a first direction DR1 is defined as a vertical direction, and a second direction DR2 is defined as a horizontal direction. Hereinafter, when viewed from the top, an upward arrow in the first direction DR1 indicates an upper side, a downward arrow in the first direction DR1 indicates a lower side, a right arrow in the second direction DR2 indicates a right side, and a left arrow in the second direction DR2 indicates a left side. However, it should be noted that the directions described herein are relative terms, and therefore, the present inventive concept is not limited to the described directions.

[0068] Reference Figures 1 to 3 The display device 1 may refer to any electronic device that provides a display screen. The display device 1 may include portable electronic devices for providing a display screen, such as mobile phones, smart phones, tablet personal computers (PCs), electronic watches, smart watches, watch phones, mobile communication terminals, electronic notebooks, electronic books, portable multimedia players (PMPs), navigation devices, game consoles, and digital cameras, as well as televisions, laptop computers, monitors, electronic billboards, and Internet of Things devices.

[0069] The display device 1 includes an active area AAR and a non-active area NAR. In the display device 1, the display area may be defined as an area where an image is displayed, the non-display area may be defined as an area where an image is not displayed, and the touch area may be defined as an area where a touch input is sensed. The display area and the touch area may be included in the active area AAR. The display area and the touch area may overlap with each other. More specifically, in the active area AAR, an image is displayed and a touch input is also sensed. The shape of the active area AAR may be a rectangle or a rectangle with rounded corners. Figure 1 , the active area AAR is shown as a rectangle with rounded corners, and the sides of the rectangle in the first direction DR1 are longer than the sides in the second direction DR2. However, the inventive concept is not limited thereto. For example, in some exemplary embodiments, the active area AAR may have various shapes, such as a rectangle, a square, other polygonal shapes, a circle, and an ellipse, wherein the sides of the rectangle in the second direction DR2 are longer than the sides in the first direction DR1.

[0070] The non-active region NAR is disposed around the active region AAR. The non-active region NAR may be a border region. The non-active region NAR may surround each side of the active region AAR (e.g., four sides in the drawings). However, the present inventive concept is not limited thereto. For example, the non-active region NAR may not be disposed near the upper side of the active region AAR or near the left or right sides thereof.

[0071] In the non-active area NAR, signal lines for applying signals to the active area AAR (display area or touch area) or the driving circuit may be provided. The non-active area NAR may not include the display area or the touch area. In another exemplary embodiment, the non-active area NAR may include a portion of the touch area, and a sensor component such as a pressure sensor may be provided in this portion of the touch area. In some exemplary embodiments, the active area AAR may completely overlap with the display area that displays an image, and the non-active area NAR may completely overlap with the non-display area that does not display an image.

[0072] The display device 1 includes a display panel 10 for providing a display screen. The display panel 10 may include an organic light-emitting display panel, a micro-LED display panel, a nano-LED display panel, a quantum dot display panel, a liquid crystal display panel, a plasma display panel, a field emission display panel, an electrophoretic display panel, an electrowetting display panel, or the like. Hereinafter, the display panel 10 will be described with reference to an organic light-emitting display panel, however, the present invention is not limited thereto. For example, in some exemplary embodiments, the display panel 10 may include any other type of display panel.

[0073] The display device 1 may further include a touch member for sensing touch input. The touch member may be provided as a panel or film that is separate from the display panel 10 and attached to the display panel 10, or may be provided in the form of a touch layer inside the display panel 10. Hereinafter, although the touch member is described as being provided inside the display panel 10 so as to be included in the display panel 10, it should be understood that the present disclosure is not limited thereto.

[0074] The display panel 10 may include a flexible substrate including a flexible polymer material such as polyimide. Therefore, the display panel 10 may be bent, curved, folded, or rolled.

[0075] The display panel 10 may include a bending region BR. The display panel 10 may be divided into a main region MR located on one side of the bending region BR and a subsidiary region SR located on the other side of the bending region BR. The non-active region NAR of the display device 1 may include the bending region BR. The non-active region NAR may be Figure 1 The bending region BR may be divided into an upper region on the upper side of the bending region BR and a lower region on the lower side of the bending region BR in the first direction DR1. The upper region on the upper side of the bending region BR may be located in the main region MR, and the lower region on the lower side of the bending region BR may be located in the subsidiary region SR, which will be described in more detail later.

[0076] The display area of ​​the display panel 10 is located in the main region MR. The display area includes a plurality of pixels. According to an exemplary embodiment, the edge portion of the display area in the main region MR, the entire bending region BR, and the entire subsidiary region SR may be non-display areas. However, the present invention is not limited thereto. For example, in some exemplary embodiments, the bending region BR and / or the subsidiary region SR may also include a display area.

[0077] When viewed from the top, the main region MR may have a shape substantially similar to the appearance of the display device 1. The main region MR may be a flat region located in one plane. However, the present invention is not limited thereto. For example, in some exemplary embodiments, at least one of the edges of the main region MR other than the edge (side) connected to the bending region BR may be bent to form a bent surface, or may be bent at a right angle.

[0078] When at least one of the edges of the main region MR, other than the edge (side) connected to the bending region BR, is bent or curved, the display area may also be provided at that edge. However, the present invention is not limited thereto. For example, in some exemplary embodiments, the bent or curved edge may be a non-display area that does not display an image, or a display area and a non-display area may be provided together.

[0079] The bending region BR is connected to one side of the main region MR in the first direction DR1. For example, the bending region BR may be connected to the shorter side of the lower portion of the main region MR. The width of the bending region BR may be smaller than the width of the main region MR (the width of the shorter side). The portion where the main region MR and the bending region BR meet may be cut into an L shape.

[0080] In the curved region BR, the display panel 10 may bend downward with a curvature in the thickness direction (e.g., in a direction away from the display surface). The curved region BR may have a constant radius of curvature, however, the present invention is not limited thereto. For example, in some exemplary embodiments, the curved region BR may have different radii of curvature for different sections. Since the display panel 10 is curved at the curved region BR, the surface of the display panel 10 may be reversed. Specifically, the upward-facing surface of the display panel 10 may be curved so that it faces outward at the curved region BR and then faces downward.

[0081] The subsidiary region SR extends from the bending region BR. After the display device 1 is bent, the subsidiary region SR may extend in a direction substantially parallel to the main region MR. The subsidiary region SR may overlap with the main region MR in the thickness direction of the display panel 10. The width of the subsidiary region SR (the width in the second direction DR2) may be equal to the width of the bending region BR, but is not limited thereto.

[0082] like Figure 1 As shown in the plan view of FIG, the subsidiary region SR may include a first pad area PA1 and a second pad area PA2, with the second pad area PA2 being positioned farther from the bending region BR than the first pad area PA1. A driver chip 70 may be disposed in the first pad area PA1 of the subsidiary region SR. The driver chip 70 may include an integrated circuit for driving the display panel 10. The integrated circuit may include an integrated circuit for a display and / or an integrated circuit for a touch unit. The integrated circuit for the display and the integrated circuit for the touch unit may be provided as separate chips or may be integrated into a single chip.

[0083] A plurality of display signal line pads and a plurality of touch signal line pads may be provided in the second pad area PA2 of the subsidiary region SR of the display panel 10. The driving board 90 may be connected to the second pad area PA2 of the subsidiary region SR of the display panel 10. The driving board 90 may be a flexible printed circuit board or film.

[0084] Reference Figure 3 , the display panel 10 may include a display member 20, a touch member 30, a polarization member 40, and a bending protection layer (BPL) 50. The display member 20 may be disposed across the main region MR, the bending region BR, and the subsidiary region SR. Figure 3 As shown in the enlarged view of FIG. 1 , the display member 20 includes a substrate unit 101 (see FIG. 1 ). Figure 4), a circuit layer provided on the substrate unit 101 (ie, including a thin film transistor TR (see Figure 4 ) where the pixel circuit is located), and a light emitting layer 122 (see Figure 4 ) and the encapsulation layer 116 disposed on the light emitting layer 122 (see Figure 4 The display panel 10 may further include a first electrode 121 disposed under the light emitting layer 122 and a second electrode 123 disposed on the light emitting layer 122 (see Figure 4 ). The first electrode 121, the light emitting layer 122, and the second electrode 123 may form a light emitting element. The light emitting element may be provided in each of the pixels.

[0085] When viewed from the top, the display member 20 may have substantially the same shape as the display panel 10 described above. More specifically, when viewed from the top, the display member 20 may have substantially the same shape as that having the main region MR, the bending region BR, and the subsidiary region SR.

[0086] The touch member 30 may be provided on the display member 20. The touch member 30 may be provided across the main region MR, the bending region BR, and the subsidiary region SR. The touch member 30 may be formed directly on the display member 20. As will be described later, the touch member 30 may include a first touch insulating layer, a first touch conductive layer provided on the first touch insulating layer, a second touch insulating layer provided on the first touch conductive layer, and a second touch conductive layer provided on the second touch insulating layer.

[0087] The second touch conductive layer may be a top layer of the touch member 30. The second touch conductive layer and the second touch insulating layer of the touch member 30 may be exposed to the outside. According to an exemplary embodiment, the thickness of the display device 1 may be reduced by disposing the second touch conductive layer on top of the touch member 30 and removing a protective layer (such as an organic layer) covering the second touch conductive layer.

[0088] However, since the second touch conductive layer is exposed, external air or moisture can penetrate into it, potentially causing corrosion. Therefore, in the display panel 10 according to the exemplary embodiment, the polarization member 40 is provided in the main region MR and the bending protection layer 50 is provided in the bending region BR to cover and protect the second touch conductive layer. In the subsidiary region SR exposed by the bending protection layer 50, the second touch conductive layer may not be provided, and a second touch insulating layer may be provided on top. This prevents the first touch conductive layer from corroding due to external exposure. The polarization member 40 and the bending protection layer 50 may be provided on the touch member 30.

[0089] When viewed from the top, the touch member 30 may have substantially the same shape as the display member 20. Specifically, when viewed from the top, the touch member 30 may have substantially the same shape as that having the main region MR, the bending region BR, and the subsidiary region SR.

[0090] like Figure 3 As shown in , the polarization member 40 may substantially overlap with the main region MR in the thickness direction and may not be provided in the bending region BR. The bending protection layer 50 may completely overlap with the bending region BR and may extend to portions of the main region MR and the subsidiary region SR adjacent to the bending region BR. The side surface of the polarization member 40 may be in contact with the side surface of the bending protection layer 50. Specifically, no gap is formed between the side surface of the polarization member 40 and the side surface of the bending protection layer 50. The boundary between the side surface of the bending protection layer 50 and the side surface of the polarization member 40 may be located in the main region MR.

[0091] Return to reference Figure 1 When viewed from the top, the shape of the polarization member 40 may be substantially the same as the shape of the portion of the touch member 30 located in the main region MR described above. In some exemplary embodiments, when viewed from the top, the polarization member 40 may be smaller than the touch member 30 so that a portion of the edge of the portion of the touch member 30 located in the main region MR may be exposed.

[0092] When viewed from the top, the shape of the curved protection layer 50 may be substantially the same as the shape of the portion of the touch member 30 that falls within the bending region BR described above. When viewed from the top, the shape of the curved protection layer 50 may be generally rectangular. In some exemplary embodiments, when viewed from the top, the curved protection layer 50 may be smaller than the touch member 30. More specifically, the width of the curved protection layer 50 in the second direction DR2 may be smaller than the width of the touch member 30 in the second direction DR2.

[0093] Figure 4 is a cross-sectional view of a main area of ​​a display device according to an exemplary embodiment. Figure 5 is a plan view illustrating a layout of a display member and a touch member of a display device according to an exemplary embodiment. Figure 6 Shown are respectively along Figure 5 A cross-sectional view taken along line IV-IV' and line V-V'. Figure 7 yes Figure 5 An enlarged plan view of area FF1. Figure 8 It is along Figure 7 A cross-sectional view taken along line VI-VI'. Figure 9 is a view showing the layout of signal lines arranged in the main area, the bending area, and the subsidiary area. Figure 10 It is along Figure 9A cross-sectional view taken along line VII-VII'. Figure 11 It is along Figure 9 A sectional view taken along line VIII-VIII'. Figure 12 It is along Figure 9 A sectional view taken along line IX-IX'. Figure 13 It is along Figure 9 A cross-sectional view taken along line XX'. Figure 14 It is along Figure 9 A sectional view taken along line XI-XI'.

[0094] Reference Figures 4 to 14 , the substrate unit 101 may include a first supporting substrate 102, a second supporting substrate 103 arranged above the first supporting substrate 102, and a barrier layer 104 arranged between the first supporting substrate 102 and the second supporting substrate 103. The first supporting substrate 102 and the second supporting substrate 103 may be flexible substrates as described above. For example, each of the first supporting substrate 102 and the second supporting substrate 103 may be a plastic substrate or a film substrate including a polymer organic substance. For example, the first supporting substrate 102 and the second supporting substrate 103 may include at least one of polystyrene, polyvinyl alcohol, polymethyl methacrylate, polyethersulfone, polyacrylate, polyetherimide, polyethylene naphthalate, polyethylene terephthalate, polyphenylene sulfide, polyarylate, polyimide, polycarbonate, cellulose triacetate, and cellulose acetate propionate. In addition, the substrate unit 101 may include fiberglass reinforced plastic (FRP).

[0095] The barrier layer 104 may be disposed between the first support substrate 102 and the second support substrate 103 to couple them together, and may flatten the first support substrate 102 and the second support substrate 103 including organic materials. The barrier layer 104 may be made of an inorganic material.

[0096] A buffer layer 111 is provided on the substrate unit 101. The buffer layer 111 may be provided on the second support substrate 103. The buffer layer 111 smoothes the surface of the substrate unit 101 and prevents the penetration of moisture or external air. The buffer layer 111 may be an inorganic layer. The buffer layer 111 may have a single-layer or multi-layer structure.

[0097] A plurality of thin film transistors TR are provided on the buffer layer 111. The plurality of thin film transistors TR may be driving thin film transistors. At least one thin film transistor TR may be provided in each pixel. Each thin film transistor TR may include a semiconductor layer CH, a gate electrode GE, a source electrode SE, and a drain electrode DE.

[0098] More specifically, the semiconductor layer CH is disposed on the buffer layer 111. The semiconductor layer CH may include amorphous silicon, polycrystalline silicon, and an organic semiconductor. In another exemplary embodiment, the semiconductor layer CH may be an oxide semiconductor. The semiconductor layer CH may include a channel region and a source region and a drain region, each disposed on one side of the channel region and doped with impurities.

[0099] A gate insulating layer 112 is disposed on the semiconductor layer CH. The gate insulating layer 112 may be an inorganic layer. The gate insulating layer 112 may have a single layer or a multi-layer structure.

[0100] A first conductive layer DCL1 may be disposed on the gate insulating layer 112. The first conductive layer DCL1 may include a gate electrode GE. The first conductive layer DCL1 may also include a plurality of scan lines. The gate electrode GE may be connected to one of the plurality of scan lines.

[0101] The first conductive layer DCL1 may be made of a conductive metal material. For example, the first conductive layer DCL1 may include molybdenum (Mo), aluminum (Al), copper (Cu), and titanium (Ti). The first conductive layer DCL1 may have a single-layer or multi-layer structure.

[0102] An interlayer dielectric layer 113 is disposed on the first conductive layer DCL1. The interlayer dielectric layer 113 may be an inorganic layer or a multilayer structure.

[0103] A second conductive layer DCL2 may be disposed on the interlayer dielectric layer 113. The second conductive layer DCL2 may include a source electrode SE, a drain electrode DE, and a source connection electrode SCE. The second conductive layer DCL2 may also include a high-level voltage line, a low-level voltage line, and a plurality of data lines, but is not limited thereto.

[0104] The source electrode SE and the drain electrode DE may be electrically connected to the source region and the drain region of the semiconductor layer CH, respectively, through contact holes formed through the interlayer dielectric layer 113 and the gate insulating layer 112 .

[0105] The source connection electrode SCE can be electrically connected to the thin film transistor of each pixel. The source connection electrode SCE can be electrically connected to the touch member 30 through the contact hole. The second conductive layer DCL2 is made of a conductive metal material. For example, the second conductive layer DCL2 may include aluminum (Al), copper (Cu), titanium (Ti), and molybdenum (Mo).

[0106] The display device 1 may further include a storage capacitor and a switching thin film transistor disposed on the substrate unit 101 .

[0107] The protective layer 114 is disposed on the second conductive layer DCL2 and the interlayer dielectric layer 113. The protective layer 114 is disposed to cover the pixel circuit including the thin film transistor TR. The protective layer 114 may be a planarization layer. The planarization layer may include materials such as acrylic and polyimide.

[0108] A plurality of first electrodes 121 may be disposed on the protective layer 114. The first electrodes 121 may be pixel electrodes, each disposed in a corresponding pixel. In addition, each of the first electrodes 121 may be an anode electrode of an organic light emitting diode.

[0109] The first electrode 121 can be electrically connected to the drain electrode DE set on the substrate unit 101 through a through hole passing through the protective layer 114, but the present disclosure is not limited thereto. For example, the first electrode 121 can be electrically connected to the source electrode SE set on the substrate unit 101 through a through hole passing through the protective layer 114.

[0110] The first electrode 121 may include a material having a high work function. For example, the first electrode 121 may include indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium oxide (In2O3), etc., which have a relatively high work function and are transparent. When the organic light-emitting display device is a top-emission organic light-emitting display device, in addition to the conductive materials listed above, the first electrode 121 may also include a reflective material such as silver (Ag), magnesium (Mg), aluminum (Al), platinum (Pt), lead (Pb), gold (Au), nickel (Ni), neodymium (Nd), iridium (Ir), chromium (Cr), lithium (Li), calcium (Ca), or a combination thereof. Therefore, the first electrode 121 may have a single-layer structure including the conductive materials listed above and a reflective material, or may have a multilayer structure in which single layers are stacked on top of each other.

[0111] A bank layer 115 is provided over the first electrode 121. The bank layer 115 includes openings, each of which exposes at least a portion of a corresponding first electrode 121. The bank layer 115 may include an organic material or an inorganic material. In an exemplary embodiment, the bank layer 115 may include a material such as photoresist, polyimide resin, acrylic resin, silicon compound, and polyacrylic resin.

[0112] The light-emitting layer 122 is disposed on the first electrode 121 exposed by the bank layer 115. Because the light-emitting layer 122 includes an organic material, it will also be referred to as the organic light-emitting layer 122 below. The organic light-emitting layer 122 may be a colored light-emitting layer that emits light of a specific color. For example, the organic light-emitting layer 122 may include a red light-emitting layer 122_1 for emitting red light, a green light-emitting layer 122_2 for emitting green light, and a blue light-emitting layer 122_3 for emitting blue light. The colored light-emitting layers may be disposed separately in each pixel.

[0113] In some exemplary embodiments, Figure 4 Unlike the example shown in FIG, the organic light-emitting layer 122 may be formed as a single piece. Specifically, a single organic light-emitting layer 122 may be shared by all pixels. The organic light-emitting layer 122 may include a colored light-emitting layer that emits light of a specific color. For example, the organic light-emitting layer 122 may be a blue light-emitting layer that emits blue light. In this case, a wavelength conversion pattern may be further provided above the organic light-emitting layer 122 to convert the color of the light emitted from the organic light-emitting layer 122.

[0114] A second electrode 123 may be disposed on the organic light emitting layer 122. The second electrode 123 may be a common electrode extending across the pixel. Alternatively, the second electrode 123 may be a cathode electrode of the organic light emitting diode.

[0115] The second electrode 123 may be made of a material having a low work function. The second electrode 123 may include Li, Ca, LiF / Ca, LiF / Al, Al, Mg, Ag, Pt, Pd, Ni, Au, Nd, Ir, Cr, BaF, Ba, or a compound or mixture thereof, such as a mixture of Ag and Mg. The second electrode 123 may also include an auxiliary electrode. The auxiliary electrode may include a layer formed by depositing the materials described above and other layers formed by depositing transparent metal oxides such as indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), and indium tin zinc oxide (ITZO) on the layer.

[0116] When the display device 1 is a top-emitting organic light-emitting diode display device, a thin conductive layer with a small work function can be formed as the second electrode 123, and a transparent conductive layer such as an indium tin oxide (ITO) layer, an indium zinc oxide (IZO) layer, a zinc oxide (ZnO) layer, and an indium oxide (In2O3) layer can be formed thereon.

[0117] As described above, the first electrode 121 , the organic light emitting layer 122 , and the second electrode 123 may form a light emitting element.

[0118] Although not shown in the drawings, a hole injection layer and / or a hole transport layer may be provided between the first electrode 121 and the organic light emitting layer 122 , and an electron transport layer and / or an electron injection layer may be provided between the organic light emitting layer 122 and the second electrode 123 .

[0119] The encapsulation layer 116 is provided on the second electrode 123. The encapsulation layer 116 includes at least one inorganic layer and at least one organic layer. The at least one inorganic layer and the at least one organic layer may be stacked on each other. For example, the encapsulation layer 116 may be made of a plurality of layers including a first inorganic encapsulation layer 116a, an organic encapsulation layer 116b, and a second inorganic encapsulation layer 116c, which are sequentially stacked on each other, as shown in FIG. Figure 6The first inorganic encapsulation layer 116a and the second inorganic encapsulation layer 116c may include silicon oxide (SiO x ), silicon nitride (SiN x ) and silicon oxynitride (SiON x The organic encapsulating layer 116b may include at least one of epoxy resin, acrylate, and urethane acrylate.

[0120] The touch member 30 is disposed on the encapsulation layer 116. The touch member 30 may directly contact an upper surface of the second inorganic encapsulation layer 116c of the encapsulation layer 116.

[0121] The touch member 30 includes a touch sensing area TSA and a non-sensing area NSA disposed around the touch sensing area TSA. As will be described in more detail later, the touch sensing area TSA may be provided with sensing electrodes and touch bridge electrodes connecting the sensing electrodes, and the non-sensing area NSA may be provided with a plurality of signal lines connected to the sensing electrodes.

[0122] The touch member 30 may include a first touch insulating layer 310 , a first touch conductive layer TCL1 disposed on the first touch insulating layer 310 , a second touch insulating layer 330 disposed on the first touch conductive layer TCL1 , and a second touch conductive layer TCL2 disposed on the second touch insulating layer 330 .

[0123] The first touch insulating layer 310 may be disposed on the second inorganic encapsulation layer 116 c . The first touch insulating layer 310 may be disposed directly on the second inorganic encapsulation layer 116 c . The first touch insulating layer 310 may insulate the first touch conductive layer TCL1 from the plurality of conductive layers of the display member 20 .

[0124] In an exemplary embodiment, the first touch insulating layer 310 may include an inorganic insulating material. The inorganic insulating material may include silicon oxide (SiO x ), silicon nitride (SiN x ) and silicon oxynitride (SiON x ). In another exemplary embodiment, the first touch insulating layer 310 may include an organic material. The organic material may include at least one of acrylic resin, methacrylic resin, polyisoprene, vinyl resin, epoxy resin, polyurethane resin, cellulose resin, siloxane resin, polyimide resin, polyamide resin, and perylene resin.

[0125] The first touch conductive layer TCL1 may be disposed on the first touch insulating layer 310. The first touch conductive layer TCL1 may include a second touch bridge electrode CP2 that electrically connects adjacent second sensing electrodes among the second sensing electrodes IE2_1 to IE2_4. The second touch bridge electrodes CP2 may be spaced apart from each other. The spaced-apart second touch bridge electrodes CP2 may partially expose the upper surface of the first touch insulating layer 310. The second touch bridge electrodes CP2 of the first touch conductive layer TCL1 may overlap with the black matrix and the bank layer 115. Thus, the electrodes may be hidden from the user. The first touch conductive layer TCL1 may also include a (1-1) touch connection electrode TCE11 disposed in the main region MR and a (1-2) touch connection electrode TCE12 disposed in the subsidiary region SR.

[0126] The second touch insulating layer 330 may be disposed on the first touch conductive layer TCL1. The second touch insulating layer 330 may directly contact the exposed upper surface of the first touch insulating layer 310. The second touch insulating layer 330 may insulate the first touch conductive layer TCL1 from the second touch conductive layer TCL2. The second touch insulating layer 330 may be made of an inorganic insulating material. The second touch insulating layer 330 may include at least one of the materials that can form the first touch insulating layer 310 described above.

[0127] The second touch conductive layer TCL2 may be disposed on the second touch insulating layer 330. The second touch conductive layer TCL2 may include a plurality of first sensing electrodes IE1_1 to IE1_8 and a plurality of second sensing electrodes IE2_1 to IE2_4, and may further include a first touch bridge electrode CP1 for electrically connecting adjacent first sensing electrodes among the first sensing electrodes IE1_1 to IE1_8. The second touch conductive layer TCL2 may further include a (2-1) touch connection electrode TCE21 disposed in the main region MR and a (2-2) touch connection electrode TCE22 disposed in the subsidiary region SR.

[0128] The plurality of first sensing electrodes IE1_1 to IE1_8 may extend in the second direction DR2 and may be arranged in the first direction DR1. The plurality of second sensing electrodes IE2_1 to IE2_4 may extend in the first direction DR1 and may be arranged in the second direction DR2.

[0129] Each of the plurality of first sensing electrodes IE1_1 to IE1_8 may include a plurality of first sensing lines SPL1 having a mesh shape. Regions defined by the plurality of first sensing lines SPL1 may overlap with the organic light emitting layers 122_1 to 122_3 disposed in the pixels, respectively.

[0130] Each of the plurality of second sensing electrodes IE2_1 to IE2_4 may include a plurality of second sensing lines SPL2 having a grid shape. Similarly, the areas defined by the plurality of second sensing lines SPL2 may overlap with the organic light-emitting layers 122_1 to 122_3 provided in the pixels, respectively. The areas defined by the plurality of first sensing lines SPL1 and the areas defined by the plurality of second sensing lines SPL2 may have, for example, a diamond shape. As used herein, the term diamond shape encompasses not only a generally diamond shape but also simple geometric shapes having a diamond-like shape, depending on different processing conditions and the arrangement of the sensing lines.

[0131] The first sensing lines SPL1 are electrically insulated from the second sensing lines SPL2. In an exemplary embodiment, the plurality of first sensing lines SPL1 may be disposed on the same layer as the plurality of second sensing lines SPL2. In this case, the plurality of first touch bridge electrodes CP1 and the plurality of second touch bridge electrodes CP2 are disposed in different layers and are therefore electrically insulated from each other.

[0132] The first touch bridge electrode CP1 and the first and second sensing electrodes IE1_1 to IE1_8 and IE2_1 to IE2_4 of the second touch conductive layer TCL2 may overlap the black matrix and the bank layer 115. Therefore, the electrodes may be hidden from the user.

[0133] In some exemplary embodiments, the electrodes of the first touch conductive layer TCL1 described above may be provided in the second touch conductive layer TCL2 , and conversely, the electrodes of the second touch conductive layer TCL2 may be provided in the first touch conductive layer TCL1 .

[0134] In some exemplary embodiments, the first touch conductive layer TCL1 may include first sensing electrodes IE1_1 to IE1_8 and a first touch bridge electrode CP1, and the second touch conductive layer TCL2 may include second sensing electrodes IE2_1 to IE2_4 and a second touch bridge electrode CP2.

[0135] In some exemplary embodiments, the first touch conductive layer TCL1 may include the second sensing electrodes IE2_1 to IE2_4 and the second touch bridge electrode CP2, and the second touch conductive layer TCL2 may include the first sensing electrodes IE1_1 to IE1_8 and the first touch bridge electrode CP1.

[0136] Hereinafter, according to an exemplary embodiment, the first touch conductive layer TCL1 will be described as including a second touch bridge electrode CP2 electrically connecting adjacent second sensing electrodes among the second sensing electrodes IE2_1 to IE2_4, and the second touch conductive layer TCL2 will be described as including first sensing electrodes IE1_1 to IE1_8 and second sensing electrodes IE2_1 to IE2_4 and a first touch bridge electrode CP1 electrically connecting adjacent first sensing electrodes among the first sensing electrodes IE1_1 to IE1_8.

[0137] Each of the first touch conductive layer TCL1 and the second touch conductive layer TCL2 may include a conductive material, such as low-resistance metals such as silver (Ag), aluminum (Al), chromium (Cr), and nickel (Ni), or conductive nanomaterials such as silver nanowires and carbon nanotubes.

[0138] The (1-1) touch connection electrode TCE11 may overlap with the (2-1) touch connection electrode TCE21 in the thickness direction. The (2-1) touch connection electrode TCE21 may be electrically connected to the source connection electrode SCE of the second conductive layer DCL2 through the second contact hole CNT2, and the (1-2) touch connection electrode TCE12 may overlap with the (2-2) touch connection electrode TCE22 in the thickness direction. The (2-2) touch connection electrode TCE22 may be electrically connected to the source connection electrode SCE of the second conductive layer DCL2 through the third contact hole CNT3.

[0139] The polarization member 40 may be disposed on the second touch conductive layer TCL2 and the second touch insulating layer 330. According to an exemplary embodiment, the polarization member 40 may be a polarizing film. The polarization member 40 may include a polarizing layer 430 and a polarizing adhesive layer 410 disposed on the polarizing layer 430. The polarizing adhesive layer 410 may include a polymer material categorized as silicone polymer, urethane polymer, SU polymer having a silicone-urethane hybrid structure, acrylic polymer, isocyanate polymer, polyvinyl alcohol polymer, gelatin polymer, vinyl polymer, latex polymer, polyester polymer, water-based polyester polymer, etc.

[0140] The polarizing adhesive layer 410 may contact the second touch conductive layer TCL2 and the upper surface of the second touch insulating layer 330 exposed by the second touch conductive layer TCL2. As described above, external air or moisture may penetrate into the exposed second touch conductive layer TCL2, potentially causing corrosion of the second touch conductive layer TCL2. Therefore, in the display panel 10 according to the exemplary embodiment, the polarization member 40 is disposed in the main region MR, and the polarizing adhesive layer 410 of the polarization member 40 directly contacts the second touch conductive layer TCL2 for protection. Therefore, corrosion of the second touch conductive layer TCL2 due to penetration of external air or moisture can be prevented.

[0141] Reference Figure 5 The touch member 30 may further include a second signal line SL2 and a third signal line SL3, the second signal line SL2 and the third signal line SL3 being connected to the first sensing electrodes IE1_1 to IE1_8 and the second sensing electrodes IE2_1 to IE2_4 and passing through the first pad area PA1 and the second pad area PA2. The display member 20 may include a first signal line SL1 connected to each of the pixels in the display area and passing through the first pad area PA1 and the second pad area PA2.

[0142] like Figure 5 As shown in FIG, in the touch member 30 according to the exemplary embodiment shown, the first sensing electrodes IE1_1 to IE1_4 can be connected to the fourth signal line SL4 provided on the right side to connect to the pad areas PA1 and PA2. The first sensing electrodes IE1_5 to IE1_8 can be connected to the third signal line SL3 provided on the left side to connect to the pad areas PA1 and PA2. The second sensing electrodes IE2_1 to IE2_4 can be connected to the second signal line SL2 provided on the lower side to connect to the pad areas PA1 and PA2.

[0143] Each of the first to third signal lines SL1 to SL3 may extend across the main region MR, the bending region BR, and the subsidiary region SR.

[0144] Reference Figure 9 The second signal line SL2 may include a first signal line portion SL21 disposed in the main region MR, a second signal line portion SL22 disposed in the bending region BR, and third and fourth signal line portions SL23 and SL24 disposed in the subsidiary region SR. The first signal line portion SL21 may be connected to the second sensing electrodes IE2_1 to IE2_4 described above, and the fourth signal line portion SL24 may be connected to the touch pad. The second signal line portion SL22 may be disposed between the first and fourth signal line portions SL21 and SL24, and the third signal line portion SL23 may be disposed between the second and fourth signal line portions SL22 and SL24. The first to fourth signal line portions SL21 to SL24 are connected to each other as a single piece.

[0145] According to an exemplary embodiment, the number of stacked touch conductive layers of the first signal line portion SL21 may be different from the number of stacked touch conductive layers of the fourth signal line portion SL24. The number of touch conductive layers included in the first signal line portion SL21 may be greater than the number of touch conductive layers included in the fourth signal line portion SL24.

[0146] The first signal line portion SL21 may include the (1-1) touch connection electrode TCE11 of the first touch conductive layer TCL1 and the (2-1) touch connection electrode TCE21 of the second touch conductive layer TCL2. The (2-1) touch connection electrode TCE21 may be disposed on the (1-1) touch connection electrode TCE11. The (1-1) touch connection electrode TCE11 and the (2-1) touch connection electrode TCE21 may overlap each other in the thickness direction. The (1-1) touch connection electrode TCE11 and the (2-1) touch connection electrode TCE21 may be electrically connected to each other through the first contact hole CNT1. Since the (1-1) touch connection electrode TCE11 and the (2-1) touch connection electrode TCE21 of the first signal line portion SL21, which overlap each other in the thickness direction, are electrically connected to each other through the first contact hole CNT1, line resistance may be reduced.

[0147] The second signal line portion SL22 may include a source connection electrode SCE of the second conductive layer DCL2. In some exemplary embodiments, the second signal line portion SL22 may not include the source connection electrode SCE, but may include a gate connection electrode of the first conductive layer DCL1. In the following description, the second signal line portion SL22 will be described as including the source connection electrode SCE of the second conductive layer DCL2. The second signal line portion SL22 may be included in the touch member 30 (see Figure 3 Specifically, although the source connection electrode SCE or the gate connection electrode forming the second signal line portion SL22 is provided at a position adjacent to the display member 20 (see Figure 3 ), but the source connection electrode SCE or the gate connection electrode may be considered to form the second signal line portion SL22 of the touch member 30.

[0148] The source connection electrode SCE may be electrically connected to the (2-1) touch connection electrode TCE21 via a second contact hole CNT2. The second contact hole CNT2 may be located in the bending region BR. Specifically, the (2-1) touch connection electrode TCE21 may extend further into the bending region BR than the (1-1) touch connection electrode TCE11 to be electrically connected to the source connection electrode SCE. The (2-1) touch connection electrode TCE21, which extends further into the bending region BR, may contact the exposed side surface of the (1-1) touch connection electrode TCE11.

[0149] The source connection electrode SCE may be electrically connected to the (2-2) touch connection electrode TCE22 through a third contact hole CNT3, which will be described in more detail later. The third contact hole CNT3 may be located in the bending region BR.

[0150] The third signal line portion SL23 may include the (1-2) touch connection electrode TCE12 of the first touch conductive layer TCL1 and the (2-2) touch connection electrode TCE22 of the second touch conductive layer TCL2. The (1-2) touch connection electrode TCE12 and the (2-2) touch connection electrode TCE22 may overlap each other in the thickness direction. Like the (1-1) touch connection electrode TCE11 and the (2-1) touch connection electrode TCE21 in the first signal line portion SL21, the (1-2) touch connection electrode TCE12 and the (2-2) touch connection electrode TCE22 may be in electrical contact, but the present invention is not limited thereto.

[0151] As described above, the (2-2) touch connection electrode TCE22 can be electrically connected to the source connection electrode SCE through the third contact hole CNT3. In addition, the (2-2) touch connection electrode TCE22 can be electrically connected to the (1-2) touch connection electrode TCE12 through the fourth contact hole CNT4. Therefore, the (2-2) touch connection electrode TCE22 can extend further to the bending area BR than the (1-2) touch connection electrode TCE12. The (2-2) touch connection electrode TCE22 further extended to the bending area BR can contact the exposed side surface of the (1-2) touch connection electrode TCE12. The fourth contact hole CNT4 can be located in the subsidiary area SR and, therefore, can be positioned farther from the bending area BR than the third contact hole CNT3.

[0152] The fourth signal line portion SL24 may include the (1-2) touch connection electrode TCE12 of the first touch conductive layer TCL1 described above. Specifically, the (1-2) touch connection electrode TCE12 may be arranged across the third signal line portion SL23 and the fourth signal line portion SL24. Although the fourth signal line portion SL24 may be connected to the pad of the touch member 30, a contact line may be further provided on a different layer between the fourth signal line portion SL24 and the pad of the touch member 30 to connect to the pad of the touch member 30.

[0153] Reference Figure 9 and Figure 10 As described above, the first signal line portion SL21 may include the (1-1) touch connection electrode TCE11 and the (2-1) touch connection electrode TCE21 overlapping each other, the second signal line portion SL22 may include the source connection electrode SCE, the third signal line portion SL23 may include the (1-2) touch connection electrode TCE12 and the (2-2) touch connection electrode TCE22 overlapping each other, and the fourth signal line portion SL24 may include the (1-2) touch connection electrode TCE12.

[0154] Reference Figure 9The third signal line SL3 may include a first signal line portion SL31 disposed in the main region MR, a second signal line portion SL32 disposed in the bending region BR, and third and fourth signal line portions SL33 and SL34 disposed in the subsidiary region SR. The first signal line portion SL31 may be connected to the first sensing electrodes IE1_5 to IE1_8 described above, and the fourth signal line portion SL34 may be connected to the touch pad. The second signal line portion SL32 may be disposed between the first and fourth signal line portions SL31 and SL34, and the third signal line portion SL33 may be disposed between the second and fourth signal line portions SL32 and SL34. The first to fourth signal line portions SL31 to SL34 are connected to each other as a single piece. The first to fourth signal line portions SL31 to SL34 of the third signal line SL3 may be associated with the first to fourth signal line portions SL21 to SL24 of the second signal line SL2, respectively. Accordingly, the first to fourth signal line portions SL31 to SL34 of the third signal line SL3 may be substantially the same as the first to fourth signal line portions SL21 to SL24 of the second signal line SL2, respectively.

[0155] Return to reference Figure 5 and Figure 6 ,lie in Figure 5 The third signal line SL3 and the fourth signal line SL4 on the left and right sides of the active area AAR in FIG may have a stacked structure in which the (1-1) touch connection electrode TCE11 and the (2-1) touch connection electrode TCE21 are stacked. More specifically, the plurality of (1-1) touch connection electrodes TCE11 may be provided on the first touch insulating layer 310, the second touch insulating layer 330 may be provided on the plurality of (1-1) touch connection electrodes TCE11, and the plurality of (2-1) touch connection electrodes TCE21 may be provided on the second touch insulating layer 330.

[0156] Reference Figure 7 As described above, the second sensing lines SPL2 of the second sensing electrodes IE2_1 to IE2_4 may be electrically connected through the second touch bridge electrode CP2, and the first sensing lines SPL1 of the first sensing electrodes IE1_1 to IE1_8 may be electrically connected through the first touch bridge electrode CP1.

[0157] Reference Figure 8 , the second sensing line SPL2 may be electrically connected to the second touch bridge electrode CP2 disposed between the second touch insulation layer 330 and the first touch insulation layer 310 through the contact hole CNT penetrating the second touch insulation layer 330 .

[0158] One side surface of the polarizing layer 430 of the polarizing member 40 and one side surface of the polarizing adhesive layer 410 may be aligned in the thickness direction. The polarizing member 40 may substantially cover and protect the upper surface of the (2-1) touch connection electrode TCE21. The polarizing member 40 may expose a portion of the upper surface of the (2-1) touch connection electrode TCE21.

[0159] The inorganic layer of the display member 20 may not be disposed in the curved region BR. Specifically, the buffer layer 111, gate insulating layer 112, and interlayer dielectric layer 113 of the display member 20 may include openings formed in the curved region BR, exposing the upper surface of the substrate unit 101 through the openings. The via layer VIA may be disposed in the curved region BR of the substrate unit 101. The via layer VIA may include an organic insulating material. The via layer VIA may include at least one of the materials that can form the protective layer 114 described above. The via layer VIA may contact the exposed side surfaces of the buffer layer 111, gate insulating layer 112, and the like.

[0160] The source connection electrode SCE of the second conductive layer DCL2 described above can be disposed on the through-hole layer VIA in the bending region BR. The source connection electrode SCE can be located in the bending region BR. The source connection electrode SCE can be electrically connected to the (2-1) touch connection electrode TCE21 and the (2-2) touch connection electrode TCE22 through the second contact hole CNT2 and the third contact hole CNT3 in the bending region BR, respectively. The second contact hole CNT2 and the third contact hole CNT3 can penetrate the encapsulation layer 116, the bank layer 115, and the protective layer 114 below the second touch conductive layer TCL2 and can be electrically connected to the source connection electrode SCE of the second conductive layer DCL2.

[0161] The bending protection layer 50 may be disposed in the openings formed in the bending region BR of the buffer layer 111, the gate insulating layer 112, and the interlayer dielectric layer 113 of the display member 20. The bending protection layer 50 may cover the bending region BR of the display panel 10 to protect the substrate unit 101 and may also relieve bending stress when the display device 1 is bent.

[0162] The curved protective layer 50 may be in direct contact with the exposed side surfaces of the (2-1) touch connection electrode TCE21 and the exposed side surfaces of the (2-2) touch connection electrode TCE22 of the second touch conductive layer TCL2. The curved protective layer 50 may also be provided on the exposed upper surface of the (2-1) touch connection electrode TCE21 and the exposed upper surface of the (2-2) touch connection electrode TCE22 to protect the upper and side surfaces of the (2-1) touch connection electrode TCE21 and the upper and side surfaces of the (2-2) touch connection electrode TCE22 from external air or moisture. The curved protective layer 50 may be in contact with the second touch insulating layer 330 overlapping the fourth signal line portion SL24, but is not limited thereto.

[0163] The subsidiary region SR may include a first subsidiary region SRa in which the curved protection layer 50 is provided, and a second subsidiary region SRb in which the curved protection layer 50 is not provided and in which the upper surface of the second touch insulation layer 330 is exposed. In the first subsidiary region SRa, the upper surface of the (2-2) touch connection electrode TCE22 may be covered by the curved protection layer 50.

[0164] The bending protection layer 50 may include an organic insulating material, which may be, but is not limited to, an organic resin.

[0165] In addition, as described above, the side surface of the polarization member 40 may be in contact with the side surface of the curved protection layer 50. More specifically, no space is formed between the side surface of the polarization member 40 and the side surface of the curved protection layer 50.

[0166] In the main region MR, the polarization member 40 is disposed on the touch member 30, and thus, the exposed second touch conductive layer TCL2 is covered by the polarization member 40. However, in the subsidiary region SR, the second touch conductive layer TCL2 may be exposed to the outside and, therefore, to external air or moisture. Therefore, in the touch member 30 according to the exemplary embodiment shown, unlike in the main region MR, the second touch insulating layer 330 is formed in the subsidiary region SR, such as in the fourth signal line portion SL24 (e.g., the (1-2) touch connection electrode TCE12 of the first touch conductive layer TCL1), thereby preventing the first touch conductive layer TCL1 from being exposed. In the third signal line portion SL23, although the (2-2) touch connection electrode TCE22 is disposed above the (1-2) touch connection electrode TCE12 to connect the source connection electrode SCE and the (1-2) touch connection electrode TCE12, as described above, the curved protective layer 50 is completely disposed above the third signal line portion SL23 to cover and protect the (2-2) touch connection electrode TCE22. Therefore, the (2-2) touch connection electrode TCE22 can be prevented from being exposed to external air or moisture.

[0167] As described above, although the first signal line portion SL21 may include two conductive layers electrically connected to each other, the fourth signal line portion SL24 may include a single conductive layer and extend toward the pad of the touch member 30. In this way, there may be a difference in resistance. Generally, resistance is inversely proportional to area. Therefore, since the area of ​​the fourth signal line portion SL24 is smaller than the area of ​​the first signal line portion SL21, the resistance may increase. Therefore, in the touch member 30 according to the exemplary embodiment shown, since the width of the first signal line portion SL21 is different from the width of the fourth signal line portion SL24, the increase in resistance that may be caused by the area of ​​the fourth signal line portion SL24 can be suppressed. More specifically, returning to reference Figure 9 , the first signal line portion SL21 may have a first width W1, and the fourth signal line portion SL24 may have a fourth width W4. The fourth width W4 may be greater than the first width W1. Although the non-sensing area NSA located on the left and right sides of the touch sensing area TSA should have a small-width signal line portion to reduce the frame width, the non-sensing area NSA located on the lower side of the touch sensing area TSA may have a relatively large area, and therefore, space for the signal line portion can be easily secured. Therefore, the fourth signal line portion SL24 may be formed to have a width greater than that of the first signal line portion SL21.

[0168] The second signal line portion SL22 may have a second width W2, and the third signal line portion SL23 may have a third width W3. The second width W2 and the third width W3 may be greater than the first width W1 and equal to the fourth width W4, but are not limited thereto.

[0169] Reference Figure 11 The polarization adhesive layer 410 of the polarization member 40 may cover the upper surface and side surfaces of the (2-1) touch connection electrode TCE21 of the first signal line portion SL21. For example, the polarization adhesive layer 410 may be in contact with the upper surface and side surfaces of the (2-1) touch connection electrode TCE21.

[0170] Reference Figure 12 The protection layer 114 may cover the upper surface and the side surface of the source connection electrode SCE of the second signal line portion SL22. For example, the protection layer 114 may be in contact with the upper surface and the side surface of the source connection electrode SCE.

[0171] Reference Figure 13 The curved protection layer 50 may cover the upper surface and side surfaces of the (2-2) touch connection electrode TCE22 of the third signal line portion SL23. For example, the curved protection layer 50 may contact the upper surface and side surfaces of the (2-2) touch connection electrode TCE22.

[0172] According to the illustrated exemplary embodiment, as described above, the thickness of the display device 1 may be reduced by disposing the second touch conductive layer TCL2 at the top of the touch member 30 and removing a protective layer (such as an organic layer) covering the second touch conductive layer TCL2 .

[0173] Furthermore, as described above, external air or moisture may penetrate the exposed second touch conductive layer TCL2, causing corrosion of the second touch conductive layer TCL2. Therefore, in the display panel 10 according to the exemplary embodiment shown, the polarization member 40 is disposed in the main region MR and the bending protection layer 50 is disposed in the bending region BR, thereby covering and protecting the exposed second touch conductive layer TCL2. Furthermore, in the second subsidiary region SRb, where the second touch conductive layer TCL2 is not disposed, the second touch insulating layer 330 covers the first touch conductive layer TCL1 for protection. In this manner, the exposed conductive layer of the touch member 30 can be prevented from corroding due to the penetration of external air or moisture.

[0174] On the other hand, as described above, no space may be formed between the polarization member 40 and the curved protection layer 50 in order to cover and protect the second touch conductive layer TCL2. Therefore, the curved protection layer 50 may be formed by depositing the constituent material of the curved protection layer 50 to a portion of the upper surface of the polarization member 40 after the polarization member 40 is attached. This will be referred to Figure 15 and Figure 16 Describe in more detail.

[0175] Figure 15 and Figure 16 are cross-sectional views illustrating processing steps for forming a bending protection layer.

[0176] Reference Figure 15 After attaching the polarization member 40, an organic material layer 50a is formed in the bending region BR, a portion of the main region MR, and a portion of the subsidiary region SR. The organic material layer 50a can be formed by slit coating, spin coating, or the like. The organic material layer 50a can contact the side surfaces of the polarizing adhesive layer 410 of the polarization member 40, the side surfaces of the polarizing layer 430, and the upper and side surfaces of the (2-1) touch connection electrode TCE21 of the second touch conductive layer TCL2. During the process of applying the organic material layer 50a to the side surfaces of the polarization member 40, a portion of the organic material 50b used to form the bending protection layer 50 may also be applied to the polarization member 40.

[0177] Reference Figure 16, peeling off and removing the release film 450 from the polarization member 40. In this manner, the organic material 50b disposed on the polarization member 40 is also removed, and thus, the bending protection layer 50 and its constituent materials do not remain on the upper surface of the polarization member 40. Furthermore, as described above, since the bending protection layer 50 is formed to contact the entire side surface of the polarization member 40, no gap is formed between the bending protection layer 50 and the polarization member 40. Therefore, the second touch conductive layer TCL2 is not exposed to external air or moisture, and thus, corrosion of the second touch conductive layer TCL2 can be prevented.

[0178] Hereinafter, a display device according to other exemplary embodiments will be described. In the following description, the same or similar elements will be denoted by the same or similar reference numerals, and thus, repeated descriptions thereof will be omitted or briefly described.

[0179] Figure 17 is a view illustrating a layout of signal lines arranged in a main region, a bending region, and an auxiliary region according to another exemplary embodiment. Figure 18 It is along Figure 17 A cross-sectional view taken along line XV-XV' shown in FIG.

[0180] In addition to (1-1) the touch connection electrode TCE11_1 being directly electrically connected to the source connection electrode SCE_1 through the second contact hole CNT2_1 and (1-2) the touch connection electrode TCE12_1 being directly electrically connected to the source connection electrode SCE_1 through the third contact hole CNT3_1, according to Figure 17 and Figure 18 The display panel 11 of the illustrated exemplary embodiment shown in FIG. 1 is substantially the same as the display panel 10 described above.

[0181] More specifically, the first signal line portion SL21_1 may include a (1-1) touch connection electrode TCE11_1 and a (2-1) touch connection electrode TCE21_1 overlapping each other, the second signal line portion SL22_1 may include a source connection electrode SCE_1, the third signal line portion SL23_1 may include a (1-2) touch connection electrode TCE12_1 and a (2-2) touch connection electrode TCE22_1, and the fourth signal line portion SL24_1 may include a (1-2) touch connection electrode TCE12_1. Figure 9Similar to the embodiment shown in , the third signal line SL3 may include a first signal line portion SL31_1 disposed in the main region MR, a second signal line portion SL32_1 disposed in the bending region BR, and third and fourth signal line portions SL33_1 and SL34_1 disposed in the subsidiary region SR. Furthermore, the first to fourth signal line portions SL31_1 to SL34_1 of the third signal line SL3 may be substantially identical to the first to fourth signal line portions SL21_1 to SL24_1 of the second signal line SL2, respectively. Therefore, a repeated description thereof will be omitted.

[0182] One side surface of the polarizing layer 430 of the polarizing member 40 and one side surface of the polarizing adhesive layer 410 may be aligned in the thickness direction. The polarizing member 40 may substantially cover and protect the upper surface of the (2-1) touch connection electrode TCE21_1. The polarizing member 40 may expose a portion of the upper surface of the (2-1) touch connection electrode TCE21_1.

[0183] The source connection electrode SCE_1 of the second conductive layer DCL2 described above can be disposed on the through-hole layer VIA in the curved region BR. The source connection electrode SCE_1 can be located in the curved region BR. The source connection electrode SCE_1 can be electrically connected to the (1-1) touch connection electrode TCE11_1 and the (1-2) touch connection electrode TCE12_1 through the second contact hole CNT2_1 and the third contact hole CNT3_1 in the curved region BR, respectively. The second contact hole CNT2_1 and the third contact hole CNT3_1 can penetrate the encapsulation layer 116, the bank layer 115, and the protective layer 114 below the second touch conductive layer TCL2 and can be electrically connected to the source connection electrode SCE_1 of the second conductive layer DCL2.

[0184] The curved protective layer 50 may directly contact the exposed side surfaces of the (2-1) touch connection electrode TCE21_1 of the second touch conductive layer TCL2. Furthermore, the curved protective layer 50 may also be disposed on the exposed upper surface of the (2-1) touch connection electrode TCE21_1 to protect the upper and side surfaces of the (2-1) touch connection electrode TCE21_1 from external air or moisture. The curved protective layer 50 may contact the second touch insulation layer 330 overlapping the fourth signal line portion SL24_1, but is not limited thereto. Furthermore, the curved protective layer 50 may also cover the side and upper surfaces of the (1-1) touch connection electrode TCE11_1, which extends further from the (2-1) touch connection electrode TCE21_1 to the curved region BR. The curved protective layer 50 may directly contact the side and upper surfaces of the (1-1) touch connection electrode TCE11_1, which extends further from the (2-1) touch connection electrode TCE21_1 to the curved region BR.

[0185] In the main region MR, the polarization member 40 is disposed on the touch member 30, and thus, the exposed second touch conductive layer TCL2 is covered by the polarization member 40. However, in the subsidiary region SR, the second touch conductive layer TCL2 may be exposed to the outside and, therefore, to external air or moisture. Therefore, in the touch member 30 according to the illustrated exemplary embodiment, unlike in the main region MR, in the subsidiary region SR, the second touch insulation layer 330 may cover the third signal line portion SL23_1 (e.g., the (1-2) touch connection electrode TCE12_1 of the first touch conductive layer TCL1), thereby preventing the first touch conductive layer TCL1 from being exposed.

[0186] Figure 19 is a view illustrating a layout of signal lines arranged in a main region, a bending region, and an auxiliary region according to still another exemplary embodiment. Figure 20 It is along Figure 19 A sectional view taken along line XX-XX'.

[0187] Reference Figure 19 and Figure 20 In the display panel 12 according to the exemplary embodiment shown, the first signal line portion SL21_2 may include the (1-1) touch connection electrode TCE11_2 of the first touch conductive layer TCL1 and the (2-1) touch connection electrode TCE21_2 of the second touch conductive layer TCL2. The (2-1) touch connection electrode TCE21_2 may be disposed on the (1-1) touch connection electrode TCE11_2. The (1-1) touch connection electrode TCE11_2 and the (2-1) touch connection electrode TCE21_2 may be electrically connected to each other via a first contact hole CNT1_2.

[0188] The second signal line portion SL22_2 may include a source connection electrode SCE_2 of the second conductive layer DCL2. The source connection electrode SCE_2 may be located in the bending region BR. The source connection electrode SCE_2 may further extend toward one side and the other side of the bending region BR to be disposed in a portion of the main region MR and a portion of the subsidiary region SR. The source connection electrode SCE_2 may be electrically connected to the (2-1) touch connection electrode TCE21_2 via a second contact hole CNT2_2 located in the main region MR.

[0189] The source connection electrode SCE_2 may be electrically connected to the (2-2) touch connection electrode TCE22_2 through a third contact hole CNT3_2 located in the subsidiary region SR.

[0190] The third signal line portion SL23_2 may include the (1-2) touch connection electrode TCE12_2 of the first touch conductive layer TCL1 and the (2-2) touch connection electrode TCE22_2 of the second touch conductive layer TCL2. The (1-2) touch connection electrode TCE12_2 and the (2-2) touch connection electrode TCE22_2 may overlap each other in the thickness direction. Like the (1-1) touch connection electrode TCE11_2 and the (2-1) touch connection electrode TCE21_2 in the first signal line portion SL21_2, the (1-2) touch connection electrode TCE12_2 and the (2-2) touch connection electrode TCE22_2 may be in electrical contact, but the present invention is not limited thereto.

[0191] As in the display panel 10 , the fourth signal line portion SL24_2 may include the (1-2) touch connection electrode TCE12_2 of the first touch conductive layer TCL1.

[0192] As described above, the first signal line portion SL21_2 may include the (1-1) touch connection electrode TCE11_2 and the (2-1) touch connection electrode TCE21_2 overlapping each other, the second signal line portion SL22_2 may include the source connection electrode SCE_2, the third signal line portion SL23_2 may include the (1-2) touch connection electrode TCE12_2 and the (2-2) touch connection electrode TCE22_2 overlapping each other, and the fourth signal line portion SL24_2 may include the (1-2) touch connection electrode TCE12_2. Figure 9 Similar to the embodiment shown in , the third signal line SL3 may include a first signal line portion SL31_2 disposed in the main region MR, a second signal line portion SL32_2 disposed in the bending region BR, and third and fourth signal line portions SL33_2 and SL34_2 disposed in the subsidiary region SR. Furthermore, the first to fourth signal line portions SL31_2 to SL34_2 of the third signal line SL3 may be substantially identical to the first to fourth signal line portions SL21_2 to SL24_2 of the second signal line SL2, respectively. Therefore, a repeated description thereof will be omitted.

[0193] One side surface of the polarization layer 430 of the polarization member 40 and one side surface of the polarization adhesive layer 410 may be aligned in the thickness direction. The polarization member 40 may substantially cover and protect the upper surface of the (2-1) touch connection electrode TCE21_2. The polarization member 40 may expose a portion of the upper surface of the (2-1) touch connection electrode TCE21_2.

[0194] The source connection electrode SCE_2 of the second conductive layer DCL2 described above may be disposed on the via layer VIA in the bending region BR. The second contact hole CNT2_2 and the third contact hole CNT3_2 may penetrate the encapsulation layer 116, the bank layer 115, and the protective layer 114 below the second touch conductive layer TCL2 and may be electrically connected to the source connection electrode SCE_2 of the second conductive layer DCL2.

[0195] The curved protective layer 50 may be in direct contact with the exposed side surfaces of the (2-1) touch connection electrode TCE21_2 and the exposed side surfaces of the (2-2) touch connection electrode TCE22_2 of the second touch conductive layer TCL2. Furthermore, the curved protective layer 50 may also be disposed on the exposed upper surface of the (2-1) touch connection electrode TCE21_2 and the exposed upper surface of the (2-2) touch connection electrode TCE22_2 to protect the upper and side surfaces of the (2-1) touch connection electrode TCE21_2 and the upper and side surfaces of the (2-2) touch connection electrode TCE22_2 from external air or moisture. The curved protective layer 50 may be in contact with the second touch insulating layer 330 that overlaps with the fourth signal line portion SL24_2, but is not limited thereto.

[0196] Figure 21 is a cross-sectional view of a display panel according to another exemplary embodiment.

[0197] Except that the color filters 161_R, 161_G, and 161_B and the light blocking pattern BM are provided in the main region MR instead of the polarization member 40, according to Figure 21 The display panel 10_13 of the exemplary embodiment shown in FIG. 1 is substantially the same as the display panel 10 described above.

[0198] More specifically, a light-blocking pattern BM may be provided on the second touch conductive layer TCL2. The sensing electrodes and the touch bridge electrodes of the second touch conductive layer TCL2 in the main region MR may contact the light-blocking pattern BM. The light-blocking pattern BM may overlap the bank layer 115 provided thereunder in the thickness direction. The light-blocking pattern BM may be a black matrix and may include a photosensitive organic material.

[0199] Color filters 161_R, 161_G, and 161_B may be disposed on the light-blocking pattern BM and the second touch conductive layer TCL2 in each pixel. The color filters 161_R, 161_G, and 161_B may include a red color filter 161_R that transmits red light and blocks green and blue light, a green color filter 161_G that transmits green light and blocks red and blue light, and a blue color filter 161_B that transmits blue light and blocks red and green light. The color filters 161_R, 161_G, and 161_B may include a photosensitive organic material.

[0200] The plurality of sensing electrodes and touch bridge electrodes of the second touch conductive layer TCL2 may be spaced apart from each other as described above. Since the sensing electrodes and touch bridge electrodes are spaced apart from each other, the upper surface of the second touch insulating layer 330 may be partially exposed. The color filters 161_R, 161_G, and 161_B may contact the exposed upper surface of the second touch insulating layer 330.

[0201] An organic planarization layer 180 may be disposed on the color filters 161_R, 161_G, and 161_B. Figure 21 As shown in FIG, the color filters 161_R, 161_G, and 161_B may have level differences. The organic planarization layer 180 may provide a flat surface over the level differences. The organic planarization layer 180 may include an organic material.

[0202] The display panel 10_13 according to the exemplary embodiment shown is different from the display panel 10 described above in that the polarization member 40 is removed in the main region MR, but a light blocking pattern BM is provided in the main region MR so as to cover and protect the sensing electrodes and the touch bridge electrodes of the second touch conductive layer TCL2 exposed thereunder.

[0203] Figure 22 is a plan view illustrating a layout of a display member and a touch member of a display device according to another exemplary embodiment.

[0204] Reference Figure 22 In the touch member of display panel 10_14 according to the exemplary embodiment shown, first sensing electrodes IE1_1 to IE1_8 may be connected to third signal lines SL3 on the right side to connect to pad areas PA1 and PA2. Second sensing electrodes IE2_1 to IE2_4 may be connected to second signal lines SL2 on the lower and upper sides to connect to pad areas PA1 and PA2.

[0205] Figure 23 is a cross-sectional view of a portion of a display panel according to still another exemplary embodiment.

[0206] Except that the first touch line portion located on the upper side of the bending region BR includes the (1-1) touch connection electrode TCE11_1, according to Figure 23 The display panel of the exemplary embodiment shown in FIG. 1 is substantially the same as the display panel described above.

[0207] More specifically, the (1-1) touch connection electrode TCE11_1 may be disposed on the first touch insulation layer 310 , and the second touch insulation layer 330 may be disposed on the (1-1) touch connection electrode TCE11_1 The upper surface of the second touch insulation layer 330 may contact the polarization member 40 .

[0208] Figure 24 is a cross-sectional view of a portion of a display panel according to still another exemplary embodiment.

[0209] Except that the second touch insulating layer 330 is removed and the upper surface of the (1-1) touch connection electrode TCE11_1 is in contact with the polarization member 40, according to Figure 24 The display panel of the exemplary embodiment shown in FIG. Figure 23 The display panels shown in FIG. 1 are substantially the same.

[0210] Figure 25 is a cross-sectional view of a portion of a display panel according to still another exemplary embodiment.

[0211] Except that the (1-1) touch connection electrode TCE11 of the first touch line portion is removed and the first touch line portion includes only the (2-1) touch connection electrode TCE21, according to Figure 25 The display panel of the exemplary embodiment shown in FIG. Figure 10 The display panels shown in FIG. 1 are substantially the same.

[0212] The second touch insulation layer 330 may be in contact with the first touch insulation layer 310. In some exemplary embodiments, the second touch insulation layer 330 may be removed. In this case, the first touch wire portion may be in direct contact with the first touch insulation layer 310.

[0213] Figure 26 is a cross-sectional view of a portion of a display panel according to still another exemplary embodiment.

[0214] According to the embodiment, except that the (1-2) touch connection electrode TCE12 is removed and the (2-2) touch connection electrode TCE22 is disposed on the second touch insulation layer 330 in the second subsidiary region SRb. Figure 26 The display panel of the exemplary embodiment shown in FIG. Figure 14 The display panels shown in FIG. 1 are substantially the same.

[0215] According to exemplary embodiments, the touch member may not be deposited with an upper organic layer, and thus, the thickness of a display device including the touch member may be reduced. In addition, the touch member formed on the display member may prevent the conductive layer of the touch member from being exposed in a display device having a reduced thickness.

[0216] Although certain exemplary embodiments and examples have been described herein, other embodiments and modifications will be apparent from this description. Therefore, the inventive concept is not limited to these embodiments, but rather to the broader scope of the appended claims and various obvious modifications and equivalent arrangements as will be apparent to those skilled in the art.

Claims

1. Display devices, including: A display member includes a substrate and a light emitting element disposed on the substrate, wherein the substrate has an active area and an inactive area surrounding the active area, wherein the inactive area includes a bent area; as well as a touch member, disposed on the display member and having a main touch area, The touch member includes a touch electrode provided in the main touch area and a touch wire connected to the touch electrode, the main touch area corresponds to the active area, and a portion of the touch wire corresponds to the inactive area. wherein the touch line includes a first touch line portion provided on an upper side of the bending region close to the active area and a second touch line portion provided on a lower side of the bending region opposite to the upper side, and The number of conductive layers forming the first touch line portion is greater than the number of conductive layers forming the second touch line portion.

2. The display device according to claim 1, wherein: The touch member includes: a first touch insulating layer, disposed on the display component; a first touch conductive layer, provided on the first touch insulating layer; a second touch insulating layer, disposed on the first touch conductive layer; and a second touch conductive layer, provided on the second touch insulating layer; the first touch wire portion includes the first touch conductive layer and the second touch conductive layer electrically connected to the first touch conductive layer; and The second touch wire portion includes the first touch conductive layer.

3. The display device according to claim 2, wherein: The first touch conductive layer includes: (1-1) a touch connection electrode provided in the main touch area and forming the first touch line portion; and (1-2) Touching the connecting electrode to form the second touch line portion; The second touch conductive layer includes a (2-1) touch connection electrode forming the first touch line portion; and The (1-1) touch connection electrode and the (2-1) touch connection electrode overlap with each other in a thickness direction and are electrically connected to each other through a first contact hole.

4. The display device according to claim 3 , further comprising a polarization member provided on the first touch line portion on the upper side of the bent area, in, The polarization member includes a polarization layer and a polarization adhesive layer disposed on the polarization layer and in direct contact with the (2-1) touch connection electrode.

5. The display device according to claim 4, wherein The touch line further includes a third touch line portion provided between the first touch line portion and the second touch line portion, The third touch line portion includes a source connection electrode, which is disposed in the bending region and electrically connected to the (2-1) touch connection electrode through a second contact hole. The display device according to claim 5 , wherein: The second contact hole is provided in the bending region.

7. The display device according to claim 5, wherein The display component further includes: a buffer layer, disposed on the substrate; A first display conductive layer is provided on the buffer layer; a first insulating layer, disposed on the first display conductive layer; a second display conductive layer, disposed on the first insulating layer; and The protective layer is arranged on the second display conductive layer.

8. The display device according to claim 7, further comprising: a through-hole layer, disposed between the second display conductive layer and the substrate; as well as a bending protection layer disposed on the protection layer in the bending region; as well as Wherein, the second display conductive layer includes the source connecting electrode.

9. The display device according to claim 8, wherein The touch line further includes a fourth touch line portion provided between the third touch line portion and the second touch line portion, The second touch conductive layer further includes a (2-2) touch connection electrode that forms the fourth touch line portion and overlaps with the (1-2) touch connection electrode in the thickness direction.

10. The display device according to claim 9, wherein: The (2-2) touch connection electrode is electrically connected to the source connection electrode through the third contact hole, and is electrically connected to the (1-2) touch connection electrode through the fourth contact hole; as well as The third contact hole is disposed closer to the bending region than the fourth contact hole.

11. The display device according to claim 10, wherein The bending protection layer extends to the upper side of the bending region and contacts the upper surface and side surfaces of the (2-1) touch connection electrode.

12. The display device according to claim 10, wherein The third contact hole is disposed in the bending region, and the fourth contact hole is disposed on the lower side of the bending region.

13. The display device according to claim 8, wherein A side surface of the curved protection layer is in direct contact with a side surface of the polarization member.

14. The display device according to claim 4, wherein: The touch line further includes a third touch line portion disposed between the first touch line portion and the second touch line portion; as well as The third touch line portion includes a source connection electrode disposed in the bending region and electrically connected to the (1-1) touch connection electrode through a second contact hole disposed in the bending region.

15. The display device according to claim 14, wherein: The (1-2) touch connection electrode is electrically connected to the source connection electrode through a third contact hole provided in the bending area; as well as The third contact hole is disposed closer to the lower side of the bending region than the second contact hole.

16. The display device according to claim 3, wherein A first width of the first touch line portion is smaller than a second width of the second touch line portion.

17. The display device of claim 3 , further comprising a light blocking pattern and a color filter layer, the light blocking pattern overlapping the upper side of the bending area on the touch member, in, The light-blocking pattern is in direct contact with the second touch conductive layer.

18. Display devices, including: A display member includes a substrate and a light emitting element disposed on the substrate, wherein the substrate has an active area and an inactive area surrounding the active area, wherein the inactive area includes a bent area; as well as a touch member, disposed on the display member and having a main touch area, The touch member includes a touch electrode provided in the main touch area and a touch wire connected to the touch electrode, the main touch area corresponds to the active area, and a portion of the touch wire corresponds to the inactive area. wherein the touch line includes a first touch line portion provided on an upper side of the bending area and a second touch line portion provided on a lower side of the bending area, and Wherein, the first width of the first touch line portion is smaller than the second width of the second touch line portion, The touch member includes: a first touch insulating layer, disposed on the display component; a first touch conductive layer, provided on the first touch insulating layer; a second touch insulating layer, disposed on the first touch conductive layer; and A second touch conductive layer is provided on the second touch insulating layer. the first touch wire portion includes the first touch conductive layer and the second touch conductive layer electrically connected to the first touch conductive layer; and The second touch wire portion includes the first touch conductive layer.

19. The display device according to claim 18, wherein: The first touch conductive layer includes: (1-1) a touch connection electrode provided on the upper side of the bent region and forming the first touch line portion; and (1-2) Touching the connecting electrode to form the second touch line portion; The second touch conductive layer includes a (2-1) touch connection electrode forming the first touch line portion; and The (1-1) touch connection electrode and the (2-1) touch connection electrode overlap with each other in a thickness direction and are electrically connected to each other through a first contact hole.

20. The display device according to claim 19, wherein The touch line further includes a third touch line portion provided between the first touch line portion and the second touch line portion, the third touch line portion including a source connection electrode provided in the bent region and electrically connected to the (2-1) touch connection electrode through a second contact hole. The third width of the third touch line portion is greater than the first width of the first touch line portion.

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