KR102264472B1 - Display apparatus - Google Patents

Abstract

The present invention is to provide a display device capable of improving visual perception characteristics due to reflection of external light by a metal wire formed on a display panel, and the display device according to an embodiment of the present invention includes a display area and a surrounding area of the display area. is a display device comprising a display panel including a non-display area and a panel driver connected to the display panel in a non-display area of the display panel, wherein the display panel includes a gate line and a data line crossing each other external substrate; an inner substrate bonded to a lower surface of the outer substrate; and a reflection reducing member formed on the external substrate to overlap at least one of the gate line and the data line to reduce reflectance of external light by the wiring.

Description

display device {DISPLAY APPARATUS}

This application claims the benefit of U.S. Provisional Patent Application No. 61/841,858, filed on July 01, 2013, the provisional patent application being incorporated herein by reference.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device, and more particularly, to a display device having a reduced thickness and improved aesthetics.

With the advent of the information age, display devices that display a large amount of information have developed rapidly, and in particular, liquid crystal display devices or organic light emitting display devices, which are flat panel display devices with excellent performance of thinness, light weight, and low power consumption, are being put to practical use. .

Among liquid crystal display devices (LCDs), an active matrix type liquid crystal display device including an array substrate provided with a thin film transistor, which is a switching device that can control on and off voltages for each pixel, has a resolution and It is receiving the most attention because of its excellent video implementation ability.

In addition, an organic light emitting display device (OLED) has high luminance and low operating voltage characteristics, and is a self-luminous device that emits light by itself, and has advantages of high C/R (contrast ratio) characteristics, ultra-thin implementation, low-temperature stability, and low driving voltage. It has a response time of several microseconds (㎲), so it is easy to implement a moving image, and it is easy to manufacture and design a driving circuit, so it is attracting the most attention as a flat panel display device.

Various improvement measures are required so that such a display device can appeal to consumers more. In particular, it is a design that minimizes the thickness of the display device and improves the aesthetics that can appeal to the aesthetic sense of the consumer and stimulate purchase. Development is ongoing.

1 is a schematic cross-sectional view of a general display device.

As shown in FIG. 1 , a typical display device includes a display panel 10 including a lower substrate 12 and an upper substrate 14 , a panel driver 20 , and a top case 30 .

The lower substrate 12 includes a plurality of gate wirings and a plurality of data lines crossing each other to define a pixel region, a thin film transistor formed in each pixel region, and a pixel electrode connected to the thin film transistor.

The upper substrate 14 includes a color filter and is bonded to the lower substrate 12 so that a portion of the lower substrate 12 is externally formed in order to apply a signal to the gate wiring and the data wiring formed on the lower substrate 12 . should be exposed as To this end, a pad portion formed at an edge of the lower substrate 12 that is not bonded to the upper substrate 14 in a partial region of the lower substrate 12 , and the panel driver 20 is not bonded to the upper substrate 14 . to transmit a signal to the gate line and the data line through the pad part.

The top case 30 is formed to cover the front edge portion and each side surface of the display panel 10 . The top case 30 is applied to prevent the panel driver 20 connected to the pad part of the lower substrate 12 from being exposed to the outside.

Such a general display device has the following problems because the top case 30 is formed to cover the front edge of the display panel 10 in order to prevent the panel driver 20 from being exposed.

First, since the top case 30 is formed on the upper substrate 14 , the thickness of the display device increases accordingly, and due to the step difference between the top case 30 and the display panel 10 , the front surface of the display device There is a problem in that a step portion is generated in the design and the aesthetic sense of design is deteriorated.

Second, due to the front width of the top case 30 that prevents the panel driver 20 from being exposed, the bezel width of the display device is increased, so there is a problem in that design aesthetics are deteriorated.

The present invention has been devised to solve the above-described problems, and it is a technical task to provide a display device with improved design aesthetics while minimizing thickness.

In addition, another technical object of the present invention is to provide a display device capable of improving viewing characteristics due to reflection of external light by a metal wire formed on a display panel.

Another technical object of the present invention is to provide a display device in which static electricity flowing in from the outside can be easily removed while improving the viewing characteristics due to reflection of external light.

In addition to the technical problems of the present invention mentioned above, other features and advantages of the present invention will be described below or will be clearly understood by those skilled in the art from such description and description.

A display device according to the present invention for achieving the above technical object includes a display panel including a display area and a non-display area surrounding the display area, and a panel driver connected to the display panel in the non-display area of the display panel A display device comprising: an external substrate including a gate line and a data line crossing each other; an inner substrate bonded to a lower surface of the outer substrate; and a reflection reducing member formed on the external substrate to overlap at least one of the gate line and the data line to reduce reflectance of external light by the wiring.

The reflection reducing member includes a non-reflective conductive pattern formed on an upper surface of the external substrate to be connected to each other while overlapping at least one of the gate wiring and the data wiring, wherein the non-reflective conductive pattern has a stacked structure of an oxide layer and a metal layer. can be formed.

The oxide layer may include Zn, In, or Sn-based oxide, and the metal layer may include copper (Cu), molybdenum (Mo), titanium (Ti), molybdenum (Mo)/titanium (Ti), and chromium. (Cr) may include any one of the metal material.

The reflection reducing member may further include a protective film formed on the upper surface of the external substrate to cover the non-reflective conductive pattern, wherein the protective film is formed as a single layer made of silicon nitride (SiNx) or made of the silicon nitride It may be formed as a multilayer including an insulating layer and a conductive layer made of a conductive oxide.

It may be configured to further include an antistatic layer formed on the upper surface of the external substrate to cover the reflection reducing member.

The reflection reducing member may be formed between at least one of the gate line and the data line and an external substrate.

The reflection reducing member may be formed of any one of a black material, polyamide, and a light absorbing material.

A blocking layer covering the reflection reduction member may be further formed on an inner surface of the external substrate, and the blocking layer may electrically insulate the gate line and the data line from each of the reflection reduction member. Here, the reflection reducing member may be formed in a stacked structure of two or more layers including an oxide layer and a metal layer.

The reflection reducing member may be formed of a translucent material, and the gate wiring may include first and second metal layers formed of different materials on the reflection reducing member.

It may be configured to further include an antistatic layer formed on the upper surface of the external substrate. The antistatic layer may be formed of any one of a transparent metal oxide material, a transparent organic conductive material, and indium-gallium-zinc-oxide (IGZO), or may be formed as a multilayer including a transparent conductive layer and a protective film.

The display device may further include an upper polarizing member formed on the upper surface of the external substrate, and the upper polarizing member may include an antistatic film including an antistatic layer and a polarizing film for polarizing light.

The display device may include an edge sealing member formed on each side surface of the display panel; and a panel support unit including an exterior cover surrounding each side surface of the display panel on which the edge sealing member is formed without protruding from the front surface of the display panel.

The edge sealing member may include a conductive member, and may electrically connect at least one of the reflection reducing member and the antistatic layer to the exterior cover.

The edge sealing member may cover an upper edge portion of the reflection reducing member or an upper edge portion of the antistatic layer.

The display device further includes a conductive strap electrically connecting at least one of the reflection reducing member and the antistatic layer to the outer cover, one side of the conductive strap being covered by the edge sealing member, and the other side of the conductive strap being covered by the edge sealing member. The side may be electrically connected to the inner surface of the exterior cover through the edge sealing member.

According to the means for solving the above problems, the present invention has the following effects.

First, since the entire front surface of the external substrate is exposed to the outside, and the panel driving unit is attached to the lower surface of the external substrate and exposed to the outside, a separate external cover for covering the panel driving unit is not required. Accordingly, the thickness of the display device is reduced, and a step difference in the front surface of the display device is removed to obtain an aesthetic design effect in which the front surface of the display device is recognized as a single structure.

Second, since the bezel forming the edge of the display device is completely omitted or the width of the bezel is very small, the overall design aesthetics of the display device can be improved compared to the related art.

Third, by forming the reflection reducing member on the external substrate, it is possible to reduce the reflectance of external light by the metal wiring formed on the external substrate, thereby improving the luminous properties displayed on the display panel.

Fourth, by forming the antistatic layer together with the reflection reducing member on the external substrate, it reduces the reflectance of external light and at the same time removes static electricity flowing in from the outside, thereby improving the visual characteristics displayed on the display panel and preventing the deterioration of image quality due to the inflow of static electricity. can

1 is a schematic cross-sectional view of a general display device.
2 is a diagram illustrating a display device according to a first embodiment of the present invention.
FIG. 3 is a cross-sectional view illustrating a cross-section taken along line II′ shown in FIG. 2 .
4 is a cross-sectional view showing a cross-section taken along the line II-II'.
FIG. 5 is an enlarged view of part A of FIG. 2 .
6 is a cross-sectional view for explaining the reflection reducing member shown in FIGS. 3 and 4 .
7A and 7B are views illustrating examples of non-reflective conductive patterns in the reflection reducing member according to the present invention.
8 is a cross-sectional view illustrating a display panel in the display device according to the second embodiment of the present invention.
FIG. 9 is a view for explaining another example of the antistatic layer shown in FIG. 8 .
10 is a cross-sectional view illustrating a display panel in a display device according to a third embodiment of the present invention.
11 is a cross-sectional view illustrating a display panel in a display device according to a fourth embodiment of the present invention.
12 is a cross-sectional view illustrating a display panel in a display device according to a fifth embodiment of the present invention.
FIG. 13 is a view for explaining destructive interference due to light reflected from the reflection reducing member and the gate wiring shown in FIG. 12 .
14 is a cross-sectional view illustrating a display panel in a display device according to a sixth embodiment of the present invention.
15 is a cross-sectional view illustrating a display panel and an exterior cover in a display device according to a seventh embodiment of the present invention.

The meaning of the terms described herein should be understood as follows.

The singular expression is to be understood as including the plural expression unless the context clearly defines otherwise, and the terms "first", "second", etc. are used to distinguish one element from another, The scope of rights should not be limited by these terms.

It should be understood that terms such as “comprise” or “have” do not preclude the possibility of addition or existence of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

The term “at least one” should be understood to include all possible combinations from one or more related items. For example, the meaning of "at least one of the first, second, and third items" means 2 of the first, second, and third items as well as each of the first, second, or third items. It means a combination of all items that can be presented from more than one.

The term “on” is meant to include not only cases in which a component is formed directly on top of another component, but also a case in which a third component is interposed between these components.

Hereinafter, a preferred embodiment of the display device according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a view showing a display device according to a first embodiment of the present invention, FIG. 3 is a cross-sectional view showing a cross-section taken along line I-I' shown in FIG. 2, and FIG. 4 is a cross-sectional view showing a cross-section taken along line II-II'.

2 to 4 , the display device according to the first embodiment of the present invention includes a display panel 100 including a display area AA and a non-display area NA surrounding the display area AA. , a backlight unit 200 irradiating light to the display panel 100 , a panel driver 300 connected to the display panel 100 in the non-display area NA of the display panel 100 , and a backlight unit ( 200) and the panel driver 300, and includes a panel support 400 that surrounds all four sides and the rear of the display panel 100 without protruding from the front of the display panel 100. .

The display panel 100 includes an outer substrate 110 , an inner substrate 120 , a reflection reduction member 130 , an upper polarizing member 140 , and a lower polarizing member 150 . include

The external substrate 110 is a thin film transistor array substrate and includes a display area AA and a non-display area NA surrounding the display area AA.

The display area AA of the external substrate 110 includes a plurality of pixels (not shown) formed for each pixel area provided by crossing a plurality of gate lines (not shown) and a plurality of data lines (not shown). Each pixel may include a thin film transistor (not shown) connected to the gate line and the data line, a pixel electrode connected to the thin film transistor, and a common electrode formed adjacent to the pixel electrode and supplied with a common voltage. In this case, the common electrode may be formed on the internal substrate 120 instead of on the external substrate 110 according to the driving method of the liquid crystal layer. The external substrate 110 controls the light transmittance of the liquid crystal layer by forming an electric field corresponding to the difference voltage between the data voltage applied to each pixel and the common voltage.

The non-display area NA of the external substrate 110 may be defined as an edge area of the external substrate 110 surrounding the upper, lower, left, and right sides of the display area AA, and includes a pad part PP; and a gate driving circuit (not shown).

The pad part PP is formed on one edge portion of the external substrate 110 and is connected to signal wires formed in the display area AA, for example, data wires, gate control signal lines, power lines, and the like. It may be configured to include a plurality of pads.

The gate driving circuit is formed in the non-display area NA on one or both sides of the short side of the external substrate 110 and is connected to a plurality of gate wirings formed in the display area AA along with the manufacturing process of the thin film transistor of each pixel, and controls the gate. It is connected to the pad part PP through a signal wire. The gate driving circuit generates a gate (or scan) signal according to a gate control signal supplied from the panel driver 300 through the pad part PP and the gate control signal line, and supplies the generated gate (or scan) signal to the corresponding gate line.

The inner substrate 120 is a color filter array substrate and is formed to have a relatively smaller area than the outer substrate 110 . The inner substrate 120 is placed on the lower surface of the remaining external substrate 110 except for the pad part PP of the external substrate 110 with a liquid crystal layer (not shown) interposed therebetween by a substrate bonding member (115 in FIG. 6 ). oppositely cemented

The inner substrate 120 defines a pixel area corresponding to each pixel formed on the outer substrate 110, and includes a light blocking layer (not shown) formed on an edge portion, and a color filter layer (not shown) formed for each pixel area. is composed The light blocking layer is preferably formed on the inner substrate 120 to define the pixel area, but since the role of the light blocking layer can be performed by the reflection reducing member 130 formed on the outer substrate 110, the light blocking layer is can be omitted. The color filter layer filters light incident from the backlight unit 200 through the internal substrate 120 and the liquid crystal layer into a predetermined color light.

The reflection reducing member 130 reduces the reflectance of external light due to the metal wiring formed on the inner surface of the external substrate 110 and at the same time removes static electricity flowing in from the outside, thereby improving the luminous properties displayed on the display panel 100 . It improves and prevents the deterioration of image quality due to the inflow of static electricity. For example, the reflection reducing member 130 may be configured to include a non-reflective conductive pattern formed of a conductive material on the external substrate 110 to be connected to each other while overlapping at least one of the gate line and the data line. For example, the non-reflective conductive pattern may be formed in the form of a grid pattern overlapping the gate line or a grid pattern overlapping the gate line and the data line crossing each other.

The upper polarizing member 140 is attached on the external substrate 110 to cover the reflection reducing member 130 . The upper polarizing member 140 according to an example may be formed of a polarizing film attached to the upper surface of the external substrate 110 to polarize light passing through the pixel area of the external substrate 110 . The upper polarizing member 140 according to another example is attached to an upper polarizing film attached to the upper surface of the external substrate 110 to polarize light passing through a pixel area of the external substrate 110, and is attached to the upper polarizing film to provide a display panel ( 100), that is, a retarder film that separates the left-eye image and the right-eye image into different polarization states.

The lower polarizing member 150 may be formed of a lower polarizing film that polarizes light incident on the internal substrate 120 from the backlight unit 200 .

The backlight unit 200 is accommodated in the panel support 400 and irradiates light to the display panel 100 . To this end, the backlight unit 200 includes a light guide plate 210 , a light source 220 , a reflective sheet 230 , and an optical sheet member 240 .

The light guide plate 210 is formed in a flat plate shape (or wedge shape) to advance light incident from the light source 220 through the light incident surface toward the display panel 100 .

The light source 220 is disposed to face the light incident surface provided on at least one side of the light guide plate 210 to irradiate the light to the light guide plate 210 . In this case, the light source 220 may include a fluorescent lamp or a light emitting diode.

The reflective sheet 230 is disposed on the lower surface of the light guide plate 210 to reflect light incident from the light guide plate 210 toward the display panel 100 . The reflective sheet 230 may be disposed to support the lower surface of the light guide plate 210 , or may be formed to support the lower surface of the light guide plate 210 and cover the remaining side surfaces of the light guide plate 210 , except for the light incident surface.

The optical sheet member 240 is disposed on the light guide plate 210 to improve luminance characteristics of light traveling from the light guide plate 210 toward the display panel 100 . To this end, the optical sheet member 240 is composed of at least one diffusion sheet for diffusing light and at least one prism sheet for condensing the diffused light, or a composite function sheet that simultaneously performs the functions of diffusing and condensing light. can be configured.

The panel driver 300 is connected to the pad part PP provided on the external substrate 110 of the display panel 100 and displays a 2D image according to the 2D display mode or a 3D image according to the 3D display mode to the display panel. It is displayed in the display area AA of (100). For example, the panel driver 300 may include a plurality of flexible circuit films 310 connected to each of the pad parts PP, a data driving integrated circuit 320 mounted on each of the plurality of flexible circuit films 310, a plurality of It is configured to include a printed circuit board 330 connected to the flexible circuit film 310 of the , and a driving circuit unit 340 mounted on the printed circuit board 330 .

Each of the plurality of flexible circuit films 310 is attached to the pad part PP and the printed circuit board 330 and may be formed of a Tape Carrier Package (TCP) or a Chip On Flexible Board or Chip On Film (COF). Each of the plurality of flexible circuit films 310 is bent from the pad part PP and accommodated in the panel support part 400 , so that the front and side surfaces of the external substrate 110 are not exposed. At this time, in order to prevent the bent flexible circuit film 310 from protruding in the lateral direction of the external substrate 110 or from contacting the sidewall of the panel support 400 , each of the plurality of flexible circuit films 310 is reverse bonded ( It is preferable to be connected to the pad part PP by a reverse bonding method. Here, according to the reverse bonding method, the end of the flexible circuit film 310 attached to the pad part PP is attached to be adjacent to the side surface of the external substrate 110 rather than the side surface of the internal substrate 120, and the flexible circuit film ( The bending region of the 310 is attached to be adjacent to the side surface of the inner substrate 120 rather than the side surface of the outer substrate 110 , so that it is disposed to be spaced apart from the side surface of the external substrate 110 in the inward direction. And, in order to prevent the connection failure of the flexible circuit film 310 due to moisture penetration and foreign matter, the end portion of the flexible circuit film 310 adjacent to the side of the external substrate 110 is to be protected by the resin thin film 350 . can

The first and/or last flexible circuit film 310 among the plurality of flexible circuit films 310 supplies a gate control signal input from the driving circuit unit 340 to corresponding pads of the pad unit PP.

The data driving integrated circuit 320 is mounted on each of the plurality of flexible circuit films 310 . The data driving integrated circuit 320 converts digital image data input from the driving circuit unit 340 through the printed circuit board 330 into data voltage and supplies it to the corresponding data line through the pad unit PP.

The printed circuit board 330 is electrically connected to the other side of each of the plurality of flexible circuit films 310 to transmit a signal necessary for driving the display panel 100 to the corresponding flexible circuit film 310 .

The driving circuit unit 340 is mounted on the printed circuit board 330 to drive the data driving integrated circuit 320 and the gate driving circuit, respectively. For example, the driving circuit unit 340 controls the driving of the data driving integrated circuit 320 and the gate driving circuit, respectively, and a timing controller that provides digital image data input from the outside to the corresponding data driving integrated circuit 320 . (not shown), various power supply circuits (not shown), and a memory device (not shown).

The panel support 400 accommodates the backlight unit 200 and the panel driver 300 , and is coupled to the rear edge of the display panel 100 so that the entire front surface of the display panel 100 is exposed to the outside. . To this end, the panel support 400 is configured to include a guide frame 410 , a panel coupling member 420 , a support case 430 , and an exterior cover 440 .

The guide frame 410 is formed in a rectangular frame shape to support the rear edge portion of the display panel 100 and is coupled to the rear edge portion of the display panel 100 through the panel coupling member 420 . For example, the guide frame 410 may include a panel coupling part 412 and a guide sidewall 414 . The panel coupling part 412 is coupled to the rear edge portion of the display panel 110 through the panel coupling member 420 . The guide sidewall 414 is vertically formed to have a predetermined height on the outer edge of the panel coupling part 412 to support the panel coupling part 412 .

The guide frame 410 may be divided into four or more and include a plurality of sub-frames coupled to the display panel 100 through the panel coupling member 420 .

The panel coupling member 420 is formed in the panel coupling portion 412 of the guide frame 410 to couple the display panel 100 and the guide frame 410 to each other. At this time, the panel coupling member 420 is preferably coupled to the inner substrate 120 of the display panel 100 in consideration of the coupling force and thickness of the guide frame 410 and the display panel 100, but is not limited thereto. , may be coupled to the lower polarizing member 150 of the display panel 100 . The panel bonding member 420 may be a double-sided tape, a thermosetting adhesive, or a photocurable adhesive.

The support case 430 is formed in a “∪ ” shape to have a storage space to support (or accommodate) the backlight unit 200 and support the guide frame 410 . For example, the support case 430 may include a support plate 432 and a support sidewall 434 . The support plate 432 is formed in a flat plate shape to cover the rear surface of the display panel 100 to support the backlight unit 200 . The support sidewall 434 is formed perpendicular to the edge of the support plate 432 to provide an accommodation space on the support plate 432 and support the panel coupling portion 412 of the guide frame 410 . Optionally, the support case 430 may be omitted in accordance with design aspects, weight reduction, and slimming of the display device.

The exterior cover 440 accommodates the support case 430 and surrounds the guide frame 410 and the side surfaces of the display panel 100 so that the entire front surface of the display panel 100 is exposed to the outside. The exterior cover 440 may be made of a plastic material or a metal material, but is preferably made of a metal material in order to improve the aesthetics of the commercialized display device and/or provide a discharge path of static electricity flowing into the display panel 100 . Do. For example, the exterior cover 440 is configured to include a rear cover 442 and a side cover 444 .

The rear cover 442 constitutes the outermost rear surface of the commercialized display device, and supports the support case 430 . For example, the rear cover 442 may be coupled to the support case 430 by a coupling (or fastening) method using a screw. Optionally, when the support case 430 is omitted, the rear cover 442 supports the backlight unit 200 .

The side cover 444 constitutes the outermost side of the commercialized display device, is formed vertically from the edge of the rear cover 442 , and surrounds the guide frame 410 and the side surface of the display panel 100 . In this case, the height of the side cover 444 is set so that the upper surface does not protrude above the display panel 100 , more specifically, the front surface of the upper polarizing member 140 . The side cover 444 is coupled to the guide side wall 414 of the guide frame 410 through a coupling (or fastening) method using a hook, a screw, or a rail using a groove and a protrusion. can be

The display device according to the first embodiment of the present invention includes an edge sealing member 500 for protecting each side of the display panel 100 and discharging static electricity flowing into the display panel 100 to the panel support 400 . It may be configured to further include.

The edge sealing member 500 is formed on each side surface of the display panel 100 . For example, on the other side of the display panel 100 , except for the lower side of the display panel 100 on which the pad part PP is formed, the edge sealing member 500 is a side surface of the upper polarizing member 140 and the inner substrate 120 . It is formed to cover a portion of the side surface and the entire side surface of the external substrate 110 and the reflection reducing member 130 . In addition, on the lower surface of the display panel 100 on which the pad part PP is formed, the edge sealing member 500 reduces a part of a side surface of the upper polarizing member 140 , a part of the side surface of the inner substrate 120 , and reflection reduction. It is formed to cover the entire side surface of the member 130 .

In addition, in order to prevent peeling of the edge sealing member 500 while increasing the adhesive area between the edge sealing member 500 and the display panel 100, the upper corner portion of each side of the external substrate 110 and the reflection reducing member ( Each side of 130 is made of a first inclined surface (IP1) of a first inclination by chamfering. And, in order to prevent peeling of the upper polarizing member 140 while increasing the electrical connection area between the edge sealing member 500 and the reflection reducing member 130, each side of the upper polarizing member 140 has a reflection reducing member ( In order to expose an edge portion of the upper surface of the 130 , the second inclined surface IP2 is spaced apart from the first inclined surface IP1 by a predetermined distance and has a second inclination equal to or different from the first inclination. Here, a light blocking material may be formed on the first inclined surface IP1 to prevent side light leakage of the display panel 100 due to total internal reflection of the internal substrate 120 .

The edge sealing member 500 is, as shown in FIG. 5 , the upper surface edge portion of the reflection reducing member 130 that is not covered by the upper polarizing member 140 (ie, the portion between the first and second inclined surfaces). And while being electrically connected to the entire side of the reflection reducing member 130 and electrically and physically in contact with the side cover 444 of the exterior cover 440, the static electricity SE introduced into the reflection reducing member 130 is removed by the panel support. 400 , more specifically, discharge to the side cover 444 of the exterior cover 440 .

As such, the edge sealing member 500 may be formed of a mixed material of an adhesive material such as a silicone-based or ultraviolet (UV) curing-based sealing agent (or resin) and a conductive member. For example, the conductive member may be a conductive ball, particle, nanowire, or the like, and the conductive member may be made of a conductive material such as gold (Au), silver (Ag), or copper (Cu). Also, the edge sealing member 500 may include a colored resin or a light blocking resin to prevent side light leakage of the display panel 100 due to total internal reflection of the internal substrate 120 .

6 is a cross-sectional view for explaining the reflection reducing member shown in FIGS. 3 and 4 .

Referring to FIG. 6 , the reflection reducing member 130 according to an embodiment of the present invention is formed on the upper surface of the external substrate 110 to overlap the metal wiring ML formed on the inner surface of the external substrate 110 . and a non-reflective conductive pattern 132 .

The non-reflective conductive pattern 132 may be made of a conductive metal material, and in particular, in order to reduce reflectance, may be formed in a stacked structure of two or more layers including an oxide layer 132a and a metal layer 132b. As an example, the non-reflective conductive pattern 132 may have a two-layer structure including an oxide layer 132a and a metal layer 132b. As another example, the non-reflective conductive pattern 132 may be formed in a three-layer structure including a first metal layer, an oxide layer, and a second metal layer. In this case, the first and second metal layers are made of the same or different metal materials. can be done As another example, the anti-reflective conductive pattern 132 may be formed in a three-layer structure including a first oxide layer, a metal layer, and a second oxide layer. In this case, the first and second oxide layers are the same or different from each other. It may be made of oxide. In the non-reflective conductive pattern 132, the oxide layer 132a may include Zn, In, or Sn-based oxide, and the metal layer 132b may include copper (Cu), molybdenum (Mo), titanium ( Ti), molybdenum (Mo)/titanium (Ti), and chromium (Cr) may be formed of any one metal material.

The non-reflective conductive pattern 132 may have a black or chromatic color depending on the metal material and the stacked structure. For example, when the non-reflective conductive pattern 132 has a two-layer structure including a metal layer 132b of molybdenum (Mo)/titanium (Ti) and an oxide layer 132a of indium tin oxide (ITO), The reflective conductive pattern 132 may have a deep blue color. As another example, when the non-reflective conductive pattern 132 has a three-layer structure including a first metal layer of copper (Cu), an oxide layer of ITO, and a second metal layer of molybdenum (Mo)/titanium (Ti), anti-reflective The conductive pattern 132 may have a black color. As such, when the non-reflective conductive pattern 132 has a color, the front edge portion of the display device has a specific color, so that the aesthetic design of the display device can be improved.

Each of the four sides of the non-reflective conductive pattern 132 is the same as the first inclined surface IP1 by a chamfering process of forming the first inclined surface IP1 on the upper surface edge portion of the external substrate 110. A third inclined surface IP3 is formed. can be included.

The non-reflective conductive pattern 132 according to an example may be formed on the upper surface of the external substrate 110 to overlap the gate wiring formed on the inner surface of the external substrate 110 as shown in FIG. 7A . That is, the non-reflective conductive pattern 132 according to an example has first to fourth conductive border patterns 132_E1 formed in a rectangular frame shape to overlap each of the upper, lower, left, and right non-display areas corresponding to the edge of the external substrate 110 . , 132_E2 , 132_E3 , and 132_E4 , and a plurality of conductive line patterns 132_L formed in a stripe shape in the display area excluding the pixel area PA to overlap the gate wiring. In this case, each of the plurality of conductive line patterns 132_L is connected in the form of a stripe pattern between the first and second conductive edge patterns 132_E1 and 132_E2 that are parallel to each other with the display area therebetween.

The non-reflective conductive pattern 132 according to another example may be formed on the upper surface of the external substrate 110 so as to overlap the gate wiring and the data wiring formed on the inner surface of the external substrate 110 as shown in FIG. 7B . can That is, the non-reflective conductive pattern 132 according to another example has first to fourth conductive border patterns 132_E1 formed in a rectangular frame shape to overlap each of the upper, lower, left, and right non-display areas corresponding to the edge of the external substrate 110 . , 132_E2 , 132_E3 , 132_E4 , and a plurality of conductive grid patterns 132_G formed in a grid pattern in a display area excluding the pixel area PA to overlap the gate line and the data line. In this case, each of the plurality of conductive grid patterns 132_G is connected to the first to fourth conductive edge patterns 132_E1 , 132_E2 , 132_E3 , and 132_E4 surrounding the display area in a grid pattern.

In the non-reflective conductive pattern 132 according to one example and another example, the first conductive edge pattern 132_E1 overlaps the upper non-display area of the external substrate 110 , and the second conductive edge pattern 132_E2 is external The third conductive edge pattern 132_E3 overlaps the left non-display area of the external substrate 110 and overlaps the lower non-display area of the substrate 110 , and the fourth conductive edge pattern 132_E4 overlaps the external substrate 110 . may be overlapped on the right non-display area of . In this case, the second conductive edge pattern 132_E2 overlaps the pad part PP provided on the external substrate 110 , and each of the third and fourth conductive edge patterns 132_E3 and 132_E4 is a gate formed on the external substrate 110 . It may be superimposed on the driving circuit.

The reflection reducing member 130 according to an embodiment of the present invention may further include a protective layer 134 formed on the external substrate 110 to protect the non-reflective conductive pattern 132 .

The passivation layer 134 prevents the non-reflective conductive pattern 132 from being damaged by a substrate manufacturing process of forming a thin film transistor array (or pixel array) connected to the gate wiring and the data wiring on the lower surface of the external substrate 110 . do. That is, when the reflection reducing member 130 is formed on the upper surface of the external substrate 110 after the thin film transistor array is formed on the lower surface of the external substrate 110 , the manufacturing process of forming the reflection reducing member 130 is performed. This may cause damage to the thin film transistor array. In order to prevent damage to the thin film transistor array, the reflection reducing member 130 is first formed on the upper surface of the external substrate 110 , and then the thin film transistor array is formed on the lower surface of the external substrate 110 . Accordingly, for the manufacturing process of the thin film transistor array, in the process of transporting or supporting the external substrate 110 , the reflection reducing member 130 is in contact with the substrate transport member or the substrate supporting member, and the reflection reducing member ( The protective layer 134 is applied to prevent damage to the 130 .

The protective layer 134 according to an example is preferably formed of a material having a hardness of 9H or higher. For example, the passivation layer 134 may be made of silicon nitride (SiNx).

The four side surfaces of the passivation layer 134 may be formed to be spaced apart from the first inclined surface IP1 by a predetermined distance so that the upper surface edge of the reflection reducing member 130 may be coupled to the edge sealing member 500 . Furthermore, the upper polarizing member 140 is attached to the entire front surface of the passivation layer 134 . In this case, four sides of the passivation layer 134 have second inclined surfaces IP2 on the four sides of the upper polarizing member 140 . The fourth inclined surface IP4 having a fourth inclination equal to or different from the second inclination may be formed while being spaced apart from the first inclined surface IP1 by a predetermined distance by a forming cutting process, for example, a laser cutting process.

As described above, in the display device according to the first embodiment of the present invention, the entire front surface of the external substrate 110 is exposed to the outside, and the panel driver 400 is attached to the lower surface of the external substrate 110 to the outside. Since it is exposed as a , a separate external cover for covering the panel driving unit 400 is not required. Accordingly, according to the present invention, the thickness of the display device is reduced, and the front step of the display device is removed, so that it is possible to obtain an aesthetic design effect in which the front surface of the display device is recognized as a single structure. Furthermore, according to the present invention, since the bezel forming the edge of the display device is completely omitted or the width of the bezel is very small, the overall design aesthetics of the display device can be improved compared to the related art.

In addition, according to the present invention, by forming the reflection reducing member 130 of a conductive material connected to each other on the external substrate 110 to reduce the reflectance of external light by the metal wiring formed on the external substrate 110 and at the same time from the outside By removing the introduced static electricity, the luminous characteristics displayed on the display panel 100 can be improved, and image quality deterioration caused by static electricity can be prevented.

8 is a cross-sectional view illustrating a display panel in a display device according to a second embodiment of the present invention, in which an antistatic layer is additionally formed on an external substrate. In describing the second embodiment of the present invention, descriptions of the same or corresponding components as those of the previous first embodiment will be omitted. Hereinafter, only the antistatic layer will be described.

The antistatic layer 640 according to an example may cover the reflection reducing member 130 formed on the upper surface of the external substrate 110 in order to remove static electricity flowing into the display panel 100 from the outside. ), and may be formed of a material having high heat resistance, transparency, corrosion resistance that does not react with the etchant of metal wiring, and strength. The antistatic layer 640 according to an example ^{preferably has an electrical conductivity of 10 9} Ω/sq or less for easy removal of static electricity, and as described above, physical generated in the process of manufacturing the thin film transistor array In order to prevent damage to the reflection reducing member 130 due to the phosphorus contact, it is preferable to have a hardness of 8H or more. For example, the antistatic layer 640 may be formed of a transparent metal oxide material, a transparent organic conductive material, or indium-gallium-zinc-oxide (IGZO). Here, the antistatic layer made of the transparent organic conductive material may be a graphene-polymer composite layer, a graphene-metal particle layer, or an organic transparent conductive layer. .

Meanwhile, the aforementioned reflection reducing member 130 may be formed of the non-reflective conductive pattern 132 , or may include the non-reflective conductive pattern 132 and the protective layer 134 . Accordingly, the antistatic layer 640 according to an example is formed on the external substrate 110 to cover the reflection reducing member 130 made of only the non-reflective conductive pattern 132 , or the protective film 134 of the reflection reducing member 130 . ) may be formed on the external substrate 110 to cover it.

As shown in FIG. 9 , the antistatic layer 640 according to another example is formed on the external substrate 110 to cover the reflection reducing member 130 formed on the upper surface of the external substrate 110 , and is transparent conductive. It may be formed of a multilayer including the layer 642 and the passivation layer 644 .

The transparent conductive layer 642 is formed on the external substrate 110 to cover the reflection reducing member 130 made of only the non-reflective conductive pattern 132, and may include Zn, In, or Sn-based oxide. have. The transparent conductive layer 642 serves to protect the non-reflective conductive pattern 132 and to remove static electricity flowing into the external substrate 110 from the outside.

The passivation layer 644 is formed on the external substrate 110 to cover the transparent conductive layer 642 , and is generated in the process of manufacturing the thin film transistor array as described above while protecting the transparent conductive layer 642 . It is preferable to have a hardness of 8H or more in order to prevent damage to the reflection reducing member 130 due to physical contact. For example, the passivation layer 644 may be formed of silicon nitride (SiNx).

The four sides of the antistatic layer 640 according to one example and another example are spaced apart from the first inclined surface IP1 by a predetermined distance so that the upper surface edge of the reflection reducing member 130 may be coupled to the edge sealing member 500 . It can be formed to be Furthermore, the upper polarizing member 140 is attached to the entire front surface of the antistatic layer 640 . In this case, the four sides of the antistatic layer 640 are on the four sides of the upper polarizing member 140 and the second inclined surface IP2 ) may be formed of the fourth inclined surface IP4 having a fourth inclination equal to or different from the second inclination while being spaced apart from the first inclined surface IP1 by a predetermined distance by a cutting process, for example, a laser cutting process.

As described above, the antistatic layer 640 according to an example is formed on the external substrate 110 to cover the reflection reducing member 130 , and directly electrically connected to the edge sealing member 500 , and the reflection reducing member 130 . It is electrically connected to the edge sealing member 500 through the upper edge of the panel and discharges static electricity flowing in from the outside to the panel support 400 through the edge sealing member 500 to prevent deterioration of image quality due to static electricity.

10 is a cross-sectional view illustrating a display panel in the display device according to the third embodiment of the present invention, which is a reflection reducing member 730 on the inner surface of the external substrate 110 in the display device according to the second embodiment of the present invention. ) is formed, and the antistatic layer 740 is formed on the upper surface of the external substrate 110 . In describing the third embodiment of the present invention, descriptions of the same or corresponding components as in the previous embodiments will be omitted. In the following description, only the reflection reducing member 730 and the antistatic layer 740 will be described.

The reflection reducing member 730 according to an example is formed between the above-described gate line GL and the inner surface of the external substrate 110 , and external light passing through the external substrate 110 is reflected by the gate wiring GL. It is made by including a non-conductive pattern to minimize or prevent becoming. In this case, the non-conductive pattern may be made of a non-conductive material. For example, the non-conductive material may be a black material, polyamide, or a light absorbing material. In this case, the light absorbing material may include amorphous silicon (a-Si). In general, the amorphous silicon (a-Si) has a high light absorptivity and is used to convert solar energy into electrical energy, and has a light absorption rate of about 100 times higher than that of crystalline silicon.

The reflection reducing member 730 according to an example may be additionally formed between the data line DL and the inner surface of the external substrate 110 in order to minimize or prevent external light from being reflected by the data line DL. may be In this case, the gate insulating layer 113 is formed between the reflection reducing member 730 and the data line.

The antistatic layer 740 is formed on the entire front surface of the external substrate 110, and is made of the aforementioned transparent metal oxide material, a transparent organic conductive material, or indium-gallium-zinc-oxide (IGZO), or is transparent. It may be formed of a multilayer including a conductive layer and a protective layer. A material for forming the antistatic layer 740 may include a black or chromatic pigment.

The four sides of the antistatic layer 640 have a fifth inclined surface (IP5) of a fifth inclination equal to or different from the first inclination by chamfering to form a first inclined surface (IP1) on each upper corner portion of the external substrate (110). can be made with Furthermore, the upper polarizing member 140 is attached to the entire front surface of the antistatic layer 640 . At this time, in order to prevent peeling of the upper polarizing member 140 , the upper polarizing member 140 is disposed on the fourth side surface of the upper polarizing member 140 . Four side surfaces of the upper polarizing member 140 may be spaced apart from the first inclined surface IP1 by a predetermined distance by a cutting process of forming the second inclined surface IP2 , for example, a laser cutting process. Accordingly, the upper edge portion of the antistatic layer 640 is exposed to the outside by the fifth inclined surface IP5 of the upper polarizing member 140 spaced apart from the first inclined surface IP1 of the external substrate 110 to the edge sealing member By being covered by 500 , the four sides and upper edge portions of the antistatic layer 640 are electrically connected to the edge sealing member 500 .

As described above, the display device according to the third embodiment of the present invention can obtain the same aesthetic design effect as in the above-described first and second embodiments of the present invention, and reduces reflection between the external substrate 110 and the metal wiring. By forming the member 730 and forming the antistatic layer 740 on the front surface of the external substrate 110 , the reflectance of external light by the metal wiring formed on the external substrate 110 is reduced and at the same time, from the outside. By removing the introduced static electricity, the luminous characteristics displayed on the display panel 100 can be improved, and image quality deterioration caused by static electricity can be prevented.

11 is a cross-sectional view illustrating a display panel in a display device according to a fourth embodiment of the present invention, which is a display device according to a third embodiment of the present invention, in which the reflection reducing member 830 is formed of a low-reflection metal material; , a blocking layer 111 is additionally formed between the reflection reducing member 830 made of a low-reflection metal material and the gate wiring GL. In describing the fourth embodiment of the present invention, descriptions of the same or corresponding components as those of the previous third embodiments will be omitted. In the following description, only the reflection reducing member 830 and the blocking layer 111 will be described.

The reflection reducing member 830 includes a conductive pattern. In this case, the conductive pattern may be made of a conductive metal material, and in particular, to reduce reflectance, it may be formed in a stacked structure of two or more layers including an oxide layer 832 and a metal layer 834 . As an example, the reflection reducing member 830 may have a two-layer structure including an oxide layer 832 and a metal layer 834 . As another example, the reflection reducing member 830 may have a three-layer structure including a first metal layer, an oxide layer, and a second metal layer. In this case, the first and second metal layers may be formed of the same or different metal materials. can As another example, the reflection reducing member 830 may have a three-layer structure including a first oxide layer, a metal layer, and a second oxide layer. In this case, the first and second oxide layers are the same or different oxides. can be made with In the reflection reducing member 830 , the oxide layer 832 may include Zn, In, or Sn-based oxide, and the metal layer 834 may include copper (Cu), molybdenum (Mo), or titanium (Ti). ), molybdenum (Mo)/titanium (Ti), and chromium (Cr).

The blocking layer 111 is formed on the inner surface of the external substrate 110 to cover the reflection reducing member 830 formed on the inner surface of the external substrate 110 to electrically insulate the gate wiring from the reflection reducing member 830 . . The blocking layer 111 may be made of an insulating material. As an example, the blocking layer 111 may be made of silicon nitride (SiNx), and may have a thickness of 0.1 μm to 0.5 μm. As another example, the blocking layer 111 may be made of a high heat-resistant organic material or an organic material including a pigment/dye, and examples of the organic material may be a siloxane-based material or a polyimide-based material. . The blocking layer 111 also serves as a planarization layer for planarizing the inner surface of the external substrate 110 on which the reflection reducing member 830 is formed.

12 is a cross-sectional view illustrating a display panel in a display device according to a fifth embodiment of the present invention, which is a reflection reducing member 930 formed of a translucent material in the display device according to the second embodiment of the present invention It is configured by forming the gate wiring GL having a two-layer structure on the reduction member 930 . In describing the fifth embodiment of the present invention, descriptions of the same or corresponding components as the previous first embodiments will be omitted. In the following description, only the reflection reducing member 930 and the gate line GL will be described.

The reflection reducing member 930 is formed between the gate wiring GL and the inner surface of the external substrate 110 so that external light passing through the external substrate 110 through destructive interference of light is reflected by the gate wiring GL. minimize or prevent The reflection reducing member 930 is a translucent material, for example, indium-tin-oxide (ITO), indium-zinc-oxide (IZO), zinc-oxide (ZnO), indium-gallium-zinc-oxide (IGZO), Aluminum-Zinc-Oxide (AZO), In ₂ O ₃ , Ga ₂ O ₃ -In ₂ O ₃ , ZnO:B, and ZnO-In ₂ O ₃ It can be done in any one of

The gate wiring GL is formed of a low-resistance metal material, for example, a first selected from among aluminum (Al), aluminum alloy (AlNd), copper (Cu), copper alloy, molybdenum (Mo), and molybdenum alloy (MoTi). The second metal layers M1 and M2 may be formed. For example, the first metal layer M1 may be formed of a material of molybdenum (Mo)/titanium (Ti) on the reflection reducing member 930 , and the second metal layer M2 may be formed of a material of copper (Cu). can be

As described above, according to the fifth embodiment of the present invention, as shown in FIG. 13 , a portion of the external light EL incident on the external substrate 110 is first reflected by the reflection reducing member 930 ( The remainder of the external light that is reflected by RL1 and transmitted without being reflected by the reflection reduction member 930 passes through the reflection reduction member 930 and is reflected by the first metal layer M1 as the second reflection light RL2. . However, the first and second reflected lights RL1 and RL2 are annihilated by destructive interference. To this end, the thickness of the reflection reducing member 930 is set so that the first and second reflected lights RL1 and RL2 are dissipated by destructive interference according to the phase difference.

14 is a cross-sectional view illustrating a display panel in a display device according to a sixth embodiment of the present invention. In the display device according to the third to fifth embodiments of the present invention, the antistatic layer 140 is formed on the upper polarizing member 940. ) is constructed in In describing the sixth embodiment of the present invention, descriptions of the same or corresponding components as the previous third to fifth embodiments will be omitted. In the following description, only the upper polarizing member 940 will be described.

First, in the display device according to the third to fifth embodiments, the antistatic layer 140 for removing static electricity flowing into the display panel from the outside is formed on the upper surface of the external substrate 110 . However, in the sixth embodiment of the present invention, the antistatic layer is formed on the upper polarizing member 940 without forming the antistatic layer 140 on the upper surface of the external substrate 110 .

The upper polarizing member 940 may include an antistatic film 942 , a lower protective film 944 , a polarizing film 946 , and an upper protective film 948 .

The antistatic film 942 includes an antistatic layer made of a transparent conductive material, and the transparent conductive material may be arsenic, but is not limited thereto.

The lower protective film 944 and the upper protective film 948 are formed with the polarizing film 946 interposed therebetween to protect the polarizing film 946 .

The polarizing film 946 includes a polarizer that polarizes incident light. The polarizing film 946 may be formed by dyeing a polyvinyl alcohol film with iodine and stretching it in a specific direction, and absorbs light incident in the stretching direction while absorbing light incident in the stretching direction in a direction perpendicular to the stretching direction. The incident light is substantially polarized by passing the incident light through.

As such, the upper polarizing member 940 is attached to the front surface of the external substrate 110 through the adhesive layer 941 formed on the lower surface of the antistatic film 942 .

The fourth side surfaces of the upper polarizing member 940 have the same inclination as the first inclined surface IP1 by a chamfering process of forming the first inclined surface IP1 at each corner portion of the external substrate 110. A sixth inclined surface IP6. can be made with Accordingly, the antistatic layer of the upper polarizing member 940 according to an example is electrically connected to the edge sealing member 500 covering a portion of the sixth inclined surface IP6.

15 is a cross-sectional view showing a display panel and an external cover in the display device according to the seventh embodiment of the present invention, which is a conductive strap 1100 in the display device according to the first to fifth embodiments of the present invention. it will be composed In describing the seventh embodiment of the present invention, descriptions of the same or corresponding components as the previous first to fifth embodiments will be omitted. In the following description, only the conductive strap 1100 will be described.

First, in the display device according to the first and second embodiments of the present invention, the conductive strap 1100 according to an example is formed at least one on each side of the external substrate 110 to form a non-reflective conductive pattern of the reflection reducing member 140 . 132 is electrically connected to the side cover 444 of the exterior cover 440 . At this time, one side of the conductive strap 1100 is attached to the non-reflective conductive pattern 132 exposed on the upper edge portion of the external substrate 110 , and the other side of the conductive strap 1100 is the lower edge of the edge sealing member 500 . It may penetrate and be attached to the inner surface of the side cover 444 by the conductive coupling member 1200 .

In the display device according to the third to fifth embodiments of the present invention, the conductive strap 1100 according to another example is formed at least one on each side of the external substrate 110 to form the antistatic layers 640 and 740 on the exterior cover 440 . electrically connected to the side cover 444 of At this time, one side of the conductive strap 1100 is attached to the antistatic layers 640 and 740 exposed on the upper edge of the external substrate 110 , and the other side of the conductive strap 1100 is the lower edge of the edge sealing member 500 . It may penetrate and be attached to the inner surface of the side cover 444 by the conductive coupling member 1200 .

The conductive coupling member 1200 may be a metal double-sided tape or a screw for directly contacting the other side of the conductive strap 1100 to the inner surface of the side cover 444 .

Meanwhile, according to the seventh embodiment of the present invention, each of the non-reflective conductive pattern 132 or the antistatic layers 640 and 740 of the reflection reducing member 140 is electrically connected to the exterior cover 440 through the conductive strap 1100 . Since the above-described edge sealing member 500 is connected with a conductive member, it may be made of an adhesive material such as a silicone-based or UV-cured sealing agent (or resin) without a conductive member, but the process tack time (Tack Time) ), it is preferably made of a sealing agent of an ultraviolet (UV) curing series. In addition, the edge sealing member 500 may be colorless (or transparent) or colored (eg, blue, red, cyan, or black), but is not limited thereto, and may be selected according to the design aspect of the display device. In order to prevent side light leakage of the display panel due to total internal reflection of the internal substrate 120 , it is preferably made of a colored resin or a light blocking resin. When the edge sealing member 500 does not include a conductive member, the edge sealing member 500 does not need to contact the side cover 444 of the exterior cover 440 .

Although the display device according to the above embodiments has been mainly described with respect to the liquid crystal display device, the display device according to the embodiments of the present invention is not limited to the above-described liquid crystal display device, and various flat panel display devices such as an organic light emitting display device. can be For example, when the display device is formed of an organic light emitting display device, an encapsulation substrate (not shown) is bonded to the lower surface of the external substrate 110 instead of the inner substrate 120 , and the encapsulation substrate (not shown) has Components such as a color filter layer and a black matrix are not formed. The encapsulation substrate may be made of an opaque material such as aluminum foil or stainless steel in addition to a transparent plastic or glass material. In addition, since the organic light emitting display device is a self-luminous device, the backlight unit 200 is omitted.

Meanwhile, the display device according to embodiments of the present invention may be used as a display device for a notebook computer, a tablet computer, or various portable information devices in addition to a display device for a television (or a monitor).

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the technical field to which the present invention pertains that various substitutions, modifications, and changes are possible without departing from the technical matters of the present invention. It will be clear to those who have the knowledge of Therefore, the scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention.

100: display panel 110: external substrate
120: inner substrate 130, 730, 830, 930: reflection reducing member
132: non-reflective conductive pattern 134: protective film
140, 940: upper polarizing member 150: lower polarizing member
200: backlight unit 300: panel driving unit
400: panel support 500: edge sealing member
640, 740: antistatic layer 1100: conductive strap

Claims (24)

A display apparatus comprising: a display panel including a display area and a non-display area surrounding the display area; and a panel driver connected to the display panel in the non-display area of the display panel,
display panel;
a panel support including an exterior cover surrounding the side surface of the display panel; and
and an edge sealing member formed on a side surface of the display panel and in contact with the exterior cover,
The edge sealing member is made of a mixed material of an adhesive material and a conductive member, and discharges static electricity flowing into the display panel to the exterior cover,
The display panel,
an external substrate including gate lines and data lines crossing each other;
an inner substrate bonded to a lower surface of the outer substrate; and
and a reflection reducing member formed on the external substrate to overlap at least one of the gate line and the data line to reduce reflectance of external light by at least one of the gate line and the data line. The method of claim 1,
and the reflection reducing member includes a non-reflective conductive pattern formed on an upper surface of the external substrate to be connected to each other while overlapping at least one of the gate line and the data line. 3. The method of claim 2,
The non-reflective conductive pattern is a display device formed in a stacked structure of an oxide layer and a metal layer. 4. The method of claim 3,
The oxide layer is a display device comprising a Zn, In, or Sn-based oxide. 4. The method of claim 3,
The metal layer may include any one of copper (Cu), molybdenum (Mo), titanium (Ti), molybdenum (Mo)/titanium (Ti), and chromium (Cr). 3. The method of claim 2,
The reflection reducing member is configured to further include a protective layer formed on the upper surface of the external substrate to cover the non-reflective conductive pattern. 7. The method of claim 6,
The protective layer may be formed as a single layer made of silicon nitride (SiNx) or as a multilayer including an insulating layer made of silicon nitride and a conductive layer made of a conductive oxide. 3. The method of claim 2,
The display device further comprising an antistatic layer formed on the upper surface of the external substrate to cover the non-reflective conductive pattern. The method of claim 1,
The edge sealing member includes a light blocking resin to prevent side light leakage due to total internal reflection of the internal substrate. 3. The method of claim 2,
The edge sealing member covers a top edge portion of the non-reflective conductive pattern and a side surface of the non-reflective conductive pattern. 7. The method of claim 6,
The edge sealing member covers an upper edge portion of the non-reflective conductive pattern, a side surface of the non-reflective conductive pattern, and a side surface of the passivation layer. 9. The method of claim 8,
The edge sealing member covers a top edge of the non-reflective conductive pattern, a side surface of the non-reflective conductive pattern, and a side surface of the antistatic layer. 13. The method according to any one of claims 10 to 12,
The display panel further includes an upper polarizing member formed on the external substrate and covering the reflection reducing member,
The edge sealing member covers a side surface of the upper polarizing member. The method of claim 1,
The reflection reducing member is formed between at least one of the gate line and the data line and an inner surface of the external substrate. 15. The method of claim 14,
Further comprising an antistatic layer formed on the upper surface of the external substrate,
The edge sealing member covers a side surface of the reflection reducing member, an upper edge of the antistatic layer, and a side surface of the antistatic layer, and electrically connects at least one of the antistatic layer and the reflection reducing member to the exterior cover. . 15. The method of claim 14,
The reflection reducing member is a display device including a non-conductive pattern or a conductive pattern. 17. The method of claim 16,
The non-conductive pattern is a display device formed of any one of a black material, polyamide, and a light absorbing material. 17. The method of claim 16,
The conductive pattern is a display device formed in a laminated structure of two or more layers including an oxide layer and a metal layer. 15. The method of claim 14,
Further comprising a gate insulating film formed on the inner surface of the external substrate to cover the reflection reducing member,
The gate line is disposed between the reflection reducing member and the gate insulating layer, and the data line is disposed on a lower surface of the gate insulating layer to overlap the reflection reducing member. 20. The method of claim 19,
Further comprising a blocking layer formed on the inner surface of the external substrate to cover the reflection reducing member,
The gate line is disposed on a lower surface of the blocking layer to overlap the reflection reducing member, the gate insulating layer is disposed on a lower surface of the blocking layer to cover the gate line, and the data line is disposed on the lower surface of the blocking layer to overlap the reflection reducing member a display device disposed on a lower surface of the gate insulating layer. 15. The method of claim 14,
The reflection reducing member is formed of a translucent material,
The gate wiring includes first and second metal layers formed of different materials on the reflection reducing member. 16. The method according to claim 8 or 15,
The antistatic layer is formed of any one of a transparent metal oxide material, a transparent organic conductive material, and indium-gallium-zinc-oxide (IGZO), or is formed as a multilayer including a transparent conductive layer and a protective film. 15. The method of claim 14,
The display panel further includes an upper polarizing member formed on an upper surface of the external substrate;
The upper polarizing member includes an antistatic film including an antistatic layer,
The edge sealing member covers a side surface of the antistatic layer and a side surface of the reflection reducing member, and electrically connects at least one of the antistatic layer and the reflection reducing member to the exterior cover. 16. The method according to claim 8 or 15,
Further comprising a conductive strap electrically connecting at least one of the reflection reducing member and the antistatic layer to the exterior cover,
One side of the conductive strap is covered by the edge sealing member, and the other side of the conductive strap passes through the edge sealing member and is electrically connected to the inner surface of the outer cover.

Images