KR20160068329A - Touch window - Google Patents

Abstract

According to an embodiment of the present invention, provided is a touch window with enhanced reliability and improved visibility. The touch window includes a substrate, a partition wall layer disposed on the substrate, and a conductive partition wall disposed inside the partition wall layer. The height of the partition wall is as long as the line width of the partition wall or longer than the line width of the partition wall.

Description

Touch window {TOUCH WINDOW}

Embodiments relate to a touch window and a touch device.

[0002] In recent years, a touch window has been applied to input images in a manner of touching an input device such as a finger or a stylus to an image displayed on a display device in various electronic products.

Such a touch window can be largely divided into a resistive touch window and a capacitive touch window. In the resistive touch window, the glass and the electrode are short-circuited by the pressure of the input device and the position is detected. The capacitive touch window senses the change in capacitance between the electrodes when a finger touches them, and the position is detected.

Resistive touch windows can degrade performance by repeated use and scratches can occur. As a result, there is a growing interest in a capacitive touch window having excellent durability and long life span.

When the touch device including such a touch window is used in a strong space, there is a problem that the display of the touch device is not clearly visible due to external light incident on the touch device. That is, there is a problem that the visibility of the display output from the display panel disposed under the touch window drops.

The embodiment seeks to provide a touch window with improved reliability and improved visibility.

A touch window according to an embodiment includes a substrate; A partition wall layer disposed on the substrate; And a conductive barrier disposed in the barrier layer, wherein a height of the barrier is equal to or greater than a line width of the barrier.

In another aspect, a touch window according to an embodiment includes a substrate; A partition wall layer disposed on the substrate; A conductive barrier disposed within the barrier layer; And a sensing electrode disposed on the substrate, the sensing electrode including the conductive partition wall.

In the embodiment, the thickness of the touch window can be reduced by forming the sensing electrode as a partition without a separate sensing electrode.

In addition, the barrier ribs of the embodiments include a first barrier rib connected to the wiring electrode to form a sense electrode, and a second barrier rib disposed between the sense electrodes, thereby improving the visibility of the touch window.

Specifically, in the case of a touch window including a partition, the display screen of the display panel is clearly visible even in a light-intensive space, such as outdoors, and the bright room contrast ratio of the display panel under the touch window can be improved.

In addition, even if the sensing electrode is formed of metal, the pattern can be made invisible, and the resistance of the touch window can be lowered even when applied to a touch window of a large size.

The touch device according to the embodiment may omit at least one substrate supporting the sensing electrode. As a result, a touch device with a thin thickness and light weight can be formed.

The touch device according to the embodiment may omit at least one substrate supporting the sensing electrode. As a result, a touch device with a thin thickness and light weight can be formed. Further, the sensing electrode and the wiring are formed together with the element formed on the display panel, thereby simplifying the process and reducing the cost.

1 is a plan view of a touch window according to an embodiment.
Figs. 2 to 4 are cross-sectional views taken along the line XX of Fig.
5 and 6 are views showing the effect of the touch window according to the embodiment.
7 is an exploded perspective view of a touch window according to an embodiment.
8 is a cross-sectional view of a touch window according to an embodiment.
9 is a plan view showing a mesh sensing electrode according to an embodiment.
10 to 12 are perspective views of another touch window according to another embodiment.
13 to 15 are views showing a touch device in which a touch window and a display panel are combined according to an embodiment.
16 to 19 are views showing an example of a touch device device to which a touch window according to the embodiment is applied.

In the description of the embodiments, it is to be understood that each layer (film), area, pattern or structure may be referred to as being "on" or "under / under" Quot; includes all that is formed directly or through another layer. The criteria for top / bottom or bottom / bottom of each layer are described with reference to the drawings.

Also, when a part is referred to as being "connected" to another part, it includes not only a case of being "directly connected" but also a case of being "indirectly connected" with another member in between. Also, when an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.

The thickness or the size of each layer (film), region, pattern or structure in the drawings may be modified for clarity and convenience of explanation, and thus does not entirely reflect the actual size.

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

1 is a plan view of a touch window according to an embodiment. 2 to 4 are sectional views taken along the line X-X of FIG.

1 to 4, a touch window according to an embodiment may include a substrate 100, a barrier layer 250, a sensing electrode 300, and a wiring electrode 400.

First, the substrate 100 may be rigid or flexible. For example, the substrate 100 may comprise glass or plastic. In detail, the substrate 100 may include chemically reinforced / semi-tempered glass such as soda lime glass or aluminosilicate glass, or may include polyimide (PI), polyethylene terephthalate (PET) Propylene glycol (PPG) polycarbonate (PC), or the like, or may include sapphire.

Further, the substrate 100 may include an optically isotropic film. For example, the substrate 100 (100) can include a Cyclic Olefin Copolymer (COC), a Cyclic Olefin Polymer (COP), a polycarbonate (PC) or a light polymethylmethacrylate (PMMA) have.

Sapphire is a material that can be applied to cover substrate 100 because it has excellent electric characteristics such as dielectric constant and can greatly increase the speed of touch reaction and can easily realize space touch such as hovering and has high surface strength. Here, hovering means a technique of recognizing coordinates even at a small distance from the display.

In addition, the substrate 100 may be curved with a partially curved surface. That is, the substrate 100 may be partially flat and partially curved with a curved surface. In detail, the end of the substrate 100 may be bent or bent with a curved surface or a surface with a random curvature.

In addition, the substrate 100 may be a flexible substrate having a flexible property.

In addition, the substrate 100 may be a curved or bended substrate. That is, the touch window including the substrate 100 may be formed to have a flexible, curved, or bent characteristic. Accordingly, the touch window according to the embodiment is easy to carry and can be changed into various designs.

The sensing electrode 300, the wiring electrode 400, and the printed circuit board 100 may be disposed on the substrate 100. That is, the substrate 100 may be a supporting substrate.

The substrate 100 may include a cover substrate. That is, the sensing electrode 300, the wiring electrode 400, and the printed circuit board 100 can be supported by the cover substrate. Alternatively, a separate cover substrate may be further disposed on the substrate 100. That is, the sensing electrode 300, the wiring electrode 400, and the printed circuit board 100 are supported by the substrate 100, and the substrate 100 and the cover substrate can be bonded (bonded) via an adhesive layer.

The effective area AA and the ineffective area UA may be defined on the substrate 100. [

In the effective area AA, the display may be displayed, and in the ineffective area UA disposed around the effective area AA, the display may not be displayed.

In addition, the position of the input device (e.g., a finger or the like) can be sensed in at least one of the valid area AA and the ineffective area UA. When an input device such as a finger is brought into contact with such a touch window, a capacitance difference occurs at a portion where the input device is contacted, and a portion where such a difference occurs can be detected as the contact position.

A partition wall layer 250 may be disposed on the substrate 100. The partition wall 200 may be disposed within the partition wall layer 250.

The barrier ribs 200 may be disposed within the barrier layer 250 disposed on the substrate 100. Specifically, the partition 200 can be disposed in the effective area AA.

In top view, the barrier layer 250 may include a barrier 200 having a pattern. Specifically, the barrier rib layer 250 may include barrier ribs 200 in a bar pattern. More specifically, the barrier ribs 200 having a plurality of bar patterns may be arranged at regular intervals to form a sprite pattern. For example, as shown in FIG. 1, the barrier rib 200 may be a plurality of bar patterns extending in a first direction, and a plurality of bar patterns may be arranged at regular intervals in the second direction.

The barrier rib 200 may be a depressed pattern formed in the barrier rib layer 250. [ As shown in FIG. 2, the barrier ribs 200 may be disposed in an engraved pattern drawn toward the substrate 100 from the upper surface of the barrier rib layer 250. The barrier rib 200 prevents reflection of light incident on the touch window, thereby improving visibility.

2, the barrier rib 200 may have a constant line width and may extend from the top of the barrier rib layer 250 toward the substrate 100. Referring to FIG.

The line width W of the barrier rib 200 may be about 0.1 占 퐉 to about 10 占 퐉. The barrier rib 200 having a line width W of less than about 0.1 占 퐉 may not be formed in a manufacturing process or a short circuit of the barrier rib 200 may occur and when the barrier rib 200 is more than about 10 占 퐉, And visibility may be lowered. Therefore, preferably, the line width W of the barrier rib 200 may be about 0.5 占 퐉 to about 7 占 퐉. More preferably, the line width W of the barrier rib 200 may be about 1 탆 to about 3.5 탆.

In particular, the height H of the barrier rib 200 may be at least equal to or greater than the line width W. For example, the ratio of the line width W of the barrier ribs 200 to the height H of the barrier ribs 200 may be 1: 1 to 7. Specifically, the ratio of the line width W of the barrier ribs 200 to the height H of the barrier ribs 200 may be 1: 2 to 6. More specifically, the ratio of the line width W of the barrier ribs 200 to the height H of the barrier ribs 200 may be 1: 3 or more.

If the height H of the barrier rib 200 is shorter than the length of the line width W of the barrier rib 200, the light reflection effect of the barrier rib 200 may be deteriorated and the effectiveness of the barrier rib 200 may be reduced. The partition 200 having the height H of the partition 200 exceeding the length of the line width W of the partition 200 is difficult in the manufacturing process and blocks the image coming from the display panel, May be deteriorated.

For example, the height H of the partition 200 may be about 1 [mu] m to about 20 [mu] m. The barrier rib 200 having the height H of less than about 1 탆 may not be formed in the manufacturing process or a short circuit may occur in the barrier rib 200. If the height of the barrier rib 200 is greater than about 20 탆, The thickness may become thick, and it may be difficult to form the partition 200 within the engraved pattern. Therefore, the height H of the barrier rib 200 may be about 3 to 10 mu m. More preferably, the height H of the partition 200 may be about 4 to 7 占 퐉.

In another embodiment, as shown in FIG. 3, the barrier rib 200 may be formed to extend in a direction from the top of the barrier layer 250 toward the substrate 100 with a line width W1 that varies in the depth direction. Specifically, the line width W1 may decrease as the barrier rib 200 gets closer to the substrate 100. The barrier 200 of another embodiment may be effective when the display panel is disposed below the substrate 100 and the cover substrate 100 is disposed above the barrier layer 250. [ When the line width W1 of the display panel side barrier 200 is narrow, the light output from the display panel can smoothly pass through the barrier layer 250 and the line width of the barrier rib 200 on the cover substrate 100 The light incident on the side of the cover substrate 100 can be effectively blocked by the barrier rib 200, so that the visibility of the touch window can be improved.

The line width W1 of the upper end of the barrier rib 200 (the upper surface side of the barrier rib layer 250) may be about 0.1 占 퐉 to about 10 占 퐉. The barrier rib 200 having the line width W1 at the upper end of the barrier rib 200 of less than about 0.1 占 퐉 may not be formed in the manufacturing process or may short-circuit the barrier rib 200, May be visually recognized from the outside and the visibility may be lowered. Therefore, preferably, the line width W1 of the upper end of the barrier rib 200 may be about 0.5 占 퐉 to about 7 占 퐉. More preferably, the line width W1 of the upper end of the barrier rib 200 may be about 1 [mu] m to about 3.5 [mu] m.

In particular, the height H of the barrier rib 200 may be at least equal to or greater than the line width W1. For example, the ratio of the line width W1 of the barrier ribs 200 to the height H of the barrier ribs 200 may be 1: 1 to 7. Specifically, the ratio of the line width W1 of the barrier rib 200 to the height H of the barrier rib 200 may be 1: 2 to 6. More specifically, the ratio of the line width W1 of the barrier rib 200 to the height H of the barrier rib 200 may be 1: 3 or more. If the height H of the barrier rib 200 is shorter than the line width W1 of the barrier rib 200, the light reflection effect of the barrier rib 200 is reduced and the effectiveness of the barrier rib 200 arrangement can be reduced. The barrier rib 200 having the height H of the barrier rib 200 more than 7 times the length W1 of the barrier rib 200 is difficult in the manufacturing process and the image coming from the display panel is blocked, May be deteriorated.

For example, the height H of the partition 200 may be about 1 [mu] m to about 20 [mu] m. The barrier rib 200 having the height H of less than about 1 탆 may not be formed in the manufacturing process or a short circuit may occur in the barrier rib 200. If the height of the barrier rib 200 is greater than about 20 탆, The thickness may become thick, and it may be difficult to form the partition 200 within the engraved pattern. Therefore, the height H of the barrier rib 200 may be about 3 to 10 mu m. More preferably, the height H of the partition 200 may be about 4 to 7 占 퐉.

In another embodiment, as shown in FIG. 4, the barrier rib 200 may have a line width W2 that varies in the depth direction and may be formed to extend from the top of the barrier layer 250 toward the substrate 100. [ Specifically, the line width W2 may increase as the barrier rib 200 gets closer to the substrate 100.

The partition 200 of another embodiment may be effective when the display panel is disposed above the substrate 100. For example, in yet another embodiment, the substrate 100 may be a cover substrate 100. When the line width W2 of the display panel side barrier 200 is narrow, the light output from the display panel can pass smoothly through the barrier layer 250 and the line width of the barrier rib 200 W2, the light incident on the substrate 100 side can be effectively blocked by the barrier rib 200, so that the visibility of the touch window can be improved.

The line width W2 of the lower end (on the side of the substrate 100) of the barrier rib 200 may be about 0.1 占 퐉 to about 10 占 퐉. The barrier rib 200 having the line width W2 at the lower end of the barrier rib 200 of less than about 0.1 占 퐉 may not be formed in the manufacturing process or may short-circuit the barrier rib 200, May be visually recognized from the outside and the visibility may be lowered. Therefore, preferably, the line width W2 of the lower end of the barrier rib 200 may be about 0.5 占 퐉 to about 7 占 퐉. More preferably, the line width W2 of the lower end of the barrier rib 200 may be about 1 [mu] m to about 3.5 [mu] m.

In particular, the height H of the barrier rib 200 may be at least equal to or greater than the line width W2. For example, the ratio of the line width W2 of the barrier ribs 200 to the height H of the barrier ribs 200 may be 1: 1 to 7. Specifically, the ratio of the line width W2 of the barrier rib 200 to the height H of the barrier rib 200 may be 1: 2 to 6. More specifically, the ratio of the line width W2 of the barrier rib 200 to the height H of the barrier rib 200 may be 1: 3 or more. If the height H of the barrier rib 200 is shorter than the line width W2 of the barrier rib 200, the light reflection effect of the barrier rib 200 may be deteriorated and the effectiveness of the barrier rib 200 may be reduced. The barrier rib 200 having the height H of the barrier rib 200 exceeding 7 times the line width W2 of the barrier rib 200 is difficult in the manufacturing process and the image coming from the display panel is blocked, May be deteriorated.

For example, the height H of the partition 200 may be about 1 [mu] m to about 20 [mu] m. The barrier rib 200 having the height H of less than about 1 탆 may not be formed in the manufacturing process or a short circuit may occur in the barrier rib 200. If the height of the barrier rib 200 is greater than about 20 탆, The thickness may become thick, and it may be difficult to form the partition 200 within the engraved pattern. Therefore, the height H of the barrier rib 200 may be about 3 to 10 mu m. More preferably, the height H of the partition 200 may be about 4 to 7 占 퐉.

The barrier ribs 200 may be formed by forming a barrier rib layer 250 (or an intermediate layer) including a photocurable resin (UV resin) or a thermosetting resin on the substrate 100, And then filling dark colored conductive material in the engraved pattern. At this time, the engraved pattern of the partition wall layer 250 may be formed by imprinting a mold having a relief pattern, but is not limited thereto.

The barrier rib 200 may be made of Cr, Ni, Cu, Al, Ag, or Mo. Gold (Au), titanium (Ti), and alloys thereof. That is, the above-described metal paste may be filled in a stripe-shaped intaglio pattern and hardened or plated to form the barrier ribs 200.

Further, the partition wall 200 may further include a separate blackening material in order to increase the light absorption rate to a higher level (H). For example, it may include any one selected from CuO, CrO, FeO, and Ni2O3, but is not limited thereto.

On the other hand, the sensing electrode 300 may be disposed on the substrate 100. Specifically, the sensing electrode 300 may include a first bank 210. More specifically, the first barrier rib 210 of the bar pattern may form the sensing electrode 300. For example, the wiring electrodes 400 may be connected to at least one of the barrier ribs 200 at both ends thereof to serve as the sensing electrodes 300. That is, in the embodiment, the thickness of the touch window can be reduced by forming the sensing electrode 300 as the barrier rib 200 without the separate sensing electrode 300.

Referring to FIG. 1, the first barrier ribs 210 of the four bar patterns are connected to each other by the bundling portions 401 of the wiring electrodes 400 to form the sensing electrodes 300. The extended portion 402 may be connected to the bundling portion 401 of the wiring electrode 400 at one side and the extended portion 402 may be connected to the printed circuit board 100. The printed circuit board 100 can drive the touch window by driving the ballast 200 by driving the electric power, or by sensing the change in the capacitance generated in the barrier 200 by the input device.

That is, the sensing electrode 300 may include at least one first barrier rib 210 and may be arranged on the substrate 100. The second barrier rib 220 may be disposed at a distance S between the sensing electrode 300 and the sensing electrode 300. That is, the barrier rib 200 may include a first barrier rib 210 connected to the wiring electrode 400 and constituting the sensing electrode 300, and a second barrier rib 210 disposed between the sensing electrodes 300 to maintain the visibility of the touch window constant And may include a second barrier rib 220.

5 and 6 are views showing the effect of the touch window according to the embodiment.

Referring to FIG. 5, it can be seen that the light output from the display panel disposed under the substrate 100 passes through the barrier rib layer 250 without loss of brightness.

Referring to FIG. 6, it can be seen that the external light incident from above the partition wall layer 250 is effectively blocked by the structure of the barrier ribs 200.

As shown in Equation (1), the bright room contrast ratio means the ratio of luminance to dark luminance in the backlight of the display panel under the condition that the predetermined external light source is irradiated. The higher the bright room contrast ratio value, the clearer the display screen of the display panel is.

Comparative Example Example Bright room contrast ratio 100% 110%

The comparison example of Table 1 is a table comparing the bright room contrast ratio of the touch window including the partition wall layer 250 and the touch window including the partition wall layer 250.

As shown in Table 1, it can be seen that the bright-room contrast ratio of the touch window including the barrier rib layer 250 is increased by at least 10% compared to the comparative example.

Therefore, in the case of the touch window including the partition wall layer 250, the screen of the display panel is clearly visible even in a light-intensive space, such as outdoors, and the visibility of the touch window is improved.

7 is an exploded perspective view of a touch window according to an embodiment. 8 is a cross-sectional view of a touch window according to an embodiment. 9 is a plan view showing a mesh sensing electrode according to an embodiment. 10 to 12 are perspective views of another touch window according to another embodiment.

Various embodiments of a touch window including such a partition wall layer 250 will be described below with reference to FIGS. 7 to 12. FIG.

7 and 8, the touch window 10 according to the embodiment may include a cover substrate 110, a first substrate 100, and a second substrate 120.

At least one of the cover substrate 110, the first substrate 100, and the second substrate 120 may be a substrate including the partition wall layer 250 described above. Hereinafter, for convenience of explanation, the substrate including the partition wall layer 250 of the first substrate 100 will be described, but the present invention is not limited thereto.

The first substrate 100 may be the partition wall layer 250 of the above-described embodiment. A first sensing electrode 310 extending in a first direction may be disposed on the first substrate 100. Specifically, the first sensing electrode 310 may include the barrier rib 200 of the barrier layer 250. More specifically, the first sensing electrode 310 may include at least one partition wall 200.

The first wiring electrode 410 may be connected to the first sensing electrode 310. Specifically, the bundling portions of the first wiring electrodes 410 may be electrically connected to each other at both ends of the plurality of barrier ribs 200. The extended portion of the first wiring electrode 410 may electrically connect the first sensing electrode 310 to the printed circuit board 100.

The first substrate 100 and the cover substrate 110 may be bonded to each other through the adhesive layer 150. For example, the cover substrate 110 and the first substrate 100 may be adhered to each other through a transparent adhesive for optical (OCA).

Meanwhile, the second substrate 120 may be disposed below the first substrate 100. A second sensing electrode 320 may be disposed on the second substrate 120. Specifically, a second sensing electrode 320 extending in a second direction may be disposed on the second substrate 120.

The second sensing electrode 320 may include a transparent conductive material so that electricity can flow without disturbing the transmission of light. For example, the sensing electrode may include at least one of indium tin oxide, indium zinc oxide, copper oxide, tin oxide, zinc oxide, titanium oxide, ), And the like.

Alternatively, the second sensing electrode 320 may comprise a nanowire, a photosensitive nanowire film, a carbon nanotube (CNT), a graphene, a conductive polymer, or a mixture thereof.

Alternatively, the second sensing electrode 320 may include various metals. For example, the sensing electrode 200 may be formed of at least one selected from the group consisting of Cr, Ni, Cu, Al, Ag, and Mo. Gold (Au), titanium (Ti), and alloys thereof.

Specifically, referring to FIG. 9, the second sensing electrode 320 may be formed in a mesh shape in the embodiment. In detail, the second sensing electrode 320 may include a plurality of sub-electrodes, and the sub-electrodes may be arranged to intersect with each other in a mesh shape.

In detail, the second sensing electrode 320 may include a mesh opening LA between the mesh line LA and the mesh line LA by a plurality of sub-electrodes crossing each other in a mesh shape.

The line width of the mesh line LA may be about 0.1 mu m to about 10 mu m. The mesh line portion having a line width of the mesh line LA of less than about 0.1 mu m may be impossible in the manufacturing process or may short-circuit the mesh line. If the line width of the mesh line LA is more than about 10 mu m, the electrode pattern may be visually recognized from the outside, . Preferably, the line width of the mesh line LA may be from about 0.5 [mu] m to about 7 [mu] m. More preferably, the line width of the mesh wire may be between about 1 [mu] m and about 3.5 [mu] m.

Further, the mesh openings may be formed in various shapes. For example, the mesh opening OA may have various shapes such as a square, a diamond, a pentagon, a hexagonal polygonal shape, or a circular shape. Further, the mesh opening may be formed in a regular shape or a random shape.

Since the second sensing electrode 320 has a mesh shape, the pattern of the second sensing electrode 320 can be made invisible on the display region as an effective region. That is, even if the second sensing electrode 320 is formed of metal, the pattern can be made invisible. In addition, even if the second sensing electrode 320 is applied to a touch window of a large size, the resistance of the touch window can be lowered.

The touch window of the embodiment capacitively couples between the first sensing electrode 310 and the second sensing electrode 320 and then the first sensing electrode 310 and the second sensing electrode 320 generated by the input device The touch position can be recognized.

At this time, the first sensing electrode 310 may include the barrier rib 200 to improve the visibility of the touch window by improving the bright room contrast ratio.

Referring to FIG. 10, a touch window according to another embodiment may include a substrate 100, a first sensing electrode 310, an intermediate layer 500, and a second sensing electrode 320.

The intermediate layer 500 may comprise a different material than the substrate 100. For example, the intermediate layer 500 may comprise a dielectric material.

For example, the intermediate layer 500 may be formed of a halogen compound of alkali metal or alkaline earth metal such as LiF, KCl, CaF ₂ , or MgF ₂ , fused silica, SiO 2, SiN _x, etc .; InP, InSb and the like as the semiconductor series; Transparent oxides used for semiconductors and dielectrics include In compounds used mainly for transparent electrodes such as ITO and IZO or transparent oxides used for semiconductors and dielectrics of ZnOx, ZnS, ZnSe, TiOx, WOx, MoOx and ReOx; As the organic semiconductor series, Alq3, NPB, TAPC, 2TNATA, CBP, Bphen and the like; Silsesquioxane or a derivative thereof (hydrogen-silsesquioxane (H-SiO _3/2 ) n, methyl-silsesquioxane (CH 3 -SiO _3/2 ) n) as a low dielectric constant material, Or porous silica doped with fluorine or carbon atoms, porous ZnOx, fluorine-substituted polymeric compounds (CYTOP) or mixtures thereof, and the like.

The intermediate layer 500 may have a visible light transmittance of about 75% to about 99%.

At this time, the thickness of the intermediate layer 500 may be smaller than the thickness of the substrate 100. In detail, the thickness of the intermediate layer 500 may be about 0.01 to about 0.1 times the thickness of the substrate 100. For example, the thickness of the substrate 100 may be about 0.1 mm, and the thickness of the intermediate layer 500 may be about 0.001 mm, but is not limited thereto.

In addition, the cross-sectional area of the intermediate layer 500 may be different from the cross-sectional area of the substrate 100. In detail, the cross-sectional area of the intermediate layer 500 may be smaller than the cross-sectional area of the substrate 100.

The intermediate layer 500 may be disposed directly on the upper surface of the substrate 100. That is, the intermediate layer 500 can be formed by directly applying a dielectric material on the upper surface of the barrier layer 250 where the first sensing electrode 310 is disposed. Then, the second sensing electrode 300 may be disposed on the intermediate layer 500.

Referring to FIG. 11, a touch window according to another embodiment may include a cover substrate 110, a first sensing electrode 310, a substrate 100, and a second sensing electrode 320.

The cover substrate 110 and the substrate 100 under the cover substrate 110 are connected to a first sensing electrode 310 and a first sensing electrode 310 extending in one direction on one surface of the substrate 100, A second sensing electrode 320 and a second sensing electrode 320 extending in a direction different from the first direction on the other surface of the substrate 100 opposite to the first surface, The second wiring electrode 400 to be connected may be disposed.

At this time, the first sensing electrode 310 may include a barrier 200, and the second sensing electrode 320 may have a mesh shape. Alternatively, the first sensing electrode 310 may have a mesh shape, and the second sensing electrode 320 may include a partition 200. In other words, one of the first sensing electrode 310 and the second sensing electrode 320 may be the sensing electrode 300 formed of the barrier ribs 200, and the other may be a non- May be formed of a transparent conductive material.

The cover substrate 110 and the substrate 100 may be bonded to each other through the adhesive layer 150. For example, the cover substrate 110 and the substrate 100 may be adhered to each other through a transparent adhesive for optical (OCA).

Referring to FIG. 12, a touch window according to another embodiment may include a cover substrate 110, a first sensing electrode 310, a substrate 100, and a second sensing electrode 320.

The sensing electrode 300 may be disposed on the cover substrate 110 and the substrate 100. For example, the first sensing electrode 310 may be disposed on the cover substrate 110, and the second sensing electrode 320 may be disposed on the substrate 100.

The first sensing electrode 310 disposed on the cover substrate 110 may include a barrier 200 and the second sensing electrode 320 disposed on the substrate 100 may have a mesh shape. Alternatively, the first sensing electrode 310 disposed on the cover substrate 110 may have a mesh shape, and the second sensing electrode 320 disposed on the substrate 100 may include the partition wall 200. have. In other words, one of the first sensing electrode 310 and the second sensing electrode 320 may be the sensing electrode 300 formed of the barrier ribs 200, and the other may be a non- May be formed of a transparent conductive material.

On the other hand, if the sensing electrode 300 included as the barrier rib 200 is disposed on the cover substrate 110, the line width of the barrier rib 200 may be constant or may be increased toward the cover substrate 110 .

The wiring electrode 400 may include a first wiring electrode 410 connected to the first sensing electrode 310 and a second wiring electrode 400 connected to the second sensing electrode 320. The first wiring electrode 410 may be disposed on the cover substrate 110 and the second wiring electrode 400 may be disposed on the substrate 100.

13 to 15 are views showing a touch device in which a touch window and a display panel are combined according to an embodiment.

Hereinafter, the touch device in which the touch panel and the display panel described above are combined will be described with reference to FIGS. 13 to 15. FIG.

Referring to FIG. 13, the touch device according to the embodiment may include a touch panel disposed on the display panel 600.

When the substrate 100 is further disposed on the cover substrate 110, the touch device may be formed by combining the substrate 100 and the display panel 600. The substrate 100 and the display panel 600 may be adhered to each other through the adhesive layer 700. For example, the substrate 100 and the display panel 600 may be bonded to each other through an adhesive layer 700 including an optical transparent adhesive (OCA).

The display panel 600 may include a first panel substrate 610 and a second panel substrate 620.

When the display panel 600 is a liquid crystal display panel, the display panel 600 includes a first panel substrate 610 including a thin film transistor (TFT) and a pixel electrode, a second panel substrate 610 including color filter layers, The liquid crystal layer 620 may be bonded together with the liquid crystal layer interposed therebetween.

The display panel 600 includes a first panel substrate 610 having a thin film transistor, a color filter and a black matrix formed thereon, a second panel substrate 620 having a first panel substrate 610 with a liquid crystal layer interposed therebetween, Or a liquid crystal display panel having a color filter on transistor (COT) structure. That is, a thin film transistor may be formed on the first panel substrate 610, a protective film may be formed on the thin film transistor, and a color filter layer may be formed on the protective film. In addition, a pixel electrode that is in contact with the thin film transistor is formed on the first panel substrate 610. At this time, in order to improve the aperture ratio and simplify the mask process, the black matrix may be omitted, and the common electrode may be formed to serve also as the black matrix.

When the display panel 600 is a liquid crystal display panel, the display device may further include a backlight unit for providing light at the back surface of the display panel 600. [

When the display panel 600 is an organic light emitting display panel, the display panel 600 includes a self-luminous element that does not require a separate light source. In the display panel 600, a thin film transistor is formed on the first panel substrate 610, and an organic light emitting element in contact with the thin film transistor is formed. The organic light emitting device may include an anode, a cathode, and an organic light emitting layer formed between the anode and the cathode. The organic light emitting display further includes a second panel substrate 620 serving as an encapsulation substrate 100 for encapsulation.

Referring to FIG. 14, the touch device according to the embodiment may include a touch panel formed integrally with the display panel 600. That is, the substrate supporting the at least one sensing electrode 300 may be omitted.

In detail, at least one sensing electrode 300 may be disposed on at least one surface of the display panel 600. That is, at least one sensing electrode 300 may be formed on at least one surface of the first panel substrate 610 or the second panel substrate 620.

At this time, at least one sensing electrode 300 may be formed on the upper surface of the cover substrate 110 disposed on the upper part.

Referring to FIG. 14, the first sensing electrode 310 may be disposed on one surface of the cover substrate 110. Also, a first wiring electrode 410 connected to the first sensing electrode 310 may be disposed. In addition, the second sensing electrode 320 may be disposed on one surface of the display panel 600. Also, a second wiring electrode 400 connected to the second sensing electrode 320 may be disposed.

An adhesive layer 700 may be disposed between the cover substrate 110 and the display panel 600 so that the cover substrate 110 and the display panel 600 may be bonded to each other.

In addition, a polarizer may be further included under the cover substrate 110. The polarizing plate may be a linear polarizing plate or an external light reflection preventing polarizing plate. For example, when the display panel 600 is a liquid crystal display panel, the polarizing plate may be a linear polarizing plate. When the display panel 600 is an organic light emitting display panel, the polarizing plate may be an external light reflection preventing polarizing plate.

In the touch device according to the embodiment, at least one substrate 100 supporting the sensing electrode 300 may be omitted. As a result, a touch device with a thin thickness and light weight can be formed.

Next, a touch device according to another embodiment will be described with reference to Fig. The description overlapping with the above-described embodiments may be omitted. The same reference numerals are assigned to the same components.

Referring to FIG. 15, the touch device according to the embodiment may include a touch panel formed integrally with the display panel 600. That is, the substrate 100 supporting at least one sensing electrode 300 may be omitted.

For example, the sensing electrode 300, which is disposed in the effective area and serves as a sensor for sensing a touch, and the sensing electrode 300, may be formed on the inner side of the display panel. In detail, at least one sensing electrode 300 or at least one wiring may be formed inside the display panel.

The display panel includes a first panel substrate 610 and a second panel substrate 620. At least one of the first sensing electrode 310 and the second sensing electrode 320 is disposed between the first panel substrate 610 and the second panel substrate 620. That is, at least one sensing electrode 300 may be disposed on at least one surface of the first panel substrate 610 or the second panel substrate 620.

Referring to FIG. 15, the first sensing electrode 310 may be disposed on one surface of the cover substrate 110. Also, a first wiring electrode 410 connected to the first sensing electrode 310 may be disposed. In addition, a second sensing electrode 320 and a second wiring electrode 400 may be formed between the first panel substrate 610 and the second panel substrate 620. That is, the second sensing electrode 320 and the second wiring electrode 400 are disposed on the inner side of the display panel, and the first sensing electrode 310 and the first wiring electrode 410 are disposed on the outer side of the display panel. have.

The second sensing electrode 320 and the second wiring may be disposed on the upper surface of the first panel substrate 610 or the rear surface of the second panel substrate 620.

In addition, a polarizer may be further included under the cover substrate 110.

When the display panel is a liquid crystal display panel and the second sensing electrode 320 is formed on the upper surface of the first panel substrate 610, the sensing electrode 300 may be a thin film transistor (TFT) . When the second sensing electrode 320 is formed on the back surface of the second panel substrate 620, a color filter layer may be formed on the sensing electrode 300 or a sensing electrode 300 may be formed on the color filter layer . When the display panel is an organic light emitting display panel and the second sensing electrode 320 is formed on the upper surface of the first panel substrate 610, the second sensing electrode 320 is formed with a thin film transistor or an organic light emitting diode .

In the touch device according to the embodiment, at least one substrate 100 supporting the sensing electrode 300 may be omitted. As a result, a touch device with a thin thickness and light weight can be formed. In addition, the sensing electrode 300 and the wiring are formed together with the elements formed on the display panel, thereby simplifying the process and reducing the cost.

16 to 19 are views showing an example of a touch device device to which a touch window according to the embodiment is applied.

Hereinafter, an example of a display device to which a touch window according to the above-described embodiments is applied will be described with reference to FIG. 16 to FIG.

Referring to Fig. 16, a mobile terminal is shown as an example of a touch device. The mobile terminal may include a valid area AA and a non-valid area UA. The valid area AA senses a touch signal by touching a finger or the like, and a command icon pattern part and a logo may be formed in the non-valid area.

Referring to FIG. 17, the touch window may include a flexible flexible touch window. Accordingly, the touch device device including the same may be a flexible touch device device. Therefore, the user can bend or bend by hand. Such a flexible touch window can be applied to a wearable touch or the like.

Referring to FIG. 18, such a touch window can be applied not only to a touch device such as a mobile terminal, but also to a car navigation system.

Further, referring to Fig. 19, such a touch window can also be applied to a vehicle. That is, the touch window can be applied to various parts in the vehicle where the touch window can be applied. Accordingly, not only a Personal Navigation Display (PND) but also a dashboard 100 can be used to implement a CID (Center Information Display). However, the embodiment is not limited thereto, and it goes without saying that such a touch device device can be used for various electronic products.

The features, structures, effects and the like described in the foregoing embodiments are included in at least one embodiment of the present invention and are not necessarily limited to one embodiment. Further, the features, structures, effects, and the like illustrated in the embodiments may be combined or modified in other embodiments by those skilled in the art to which the embodiments belong. Therefore, it should be understood that the present invention is not limited to these combinations and modifications.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limiting the scope of the present invention. It can be seen that various modifications and applications are possible. For example, each component specifically shown in the embodiments may be modified and implemented. It is to be understood that the present invention may be embodied in many other specific forms without departing from the spirit or essential characteristics thereof.

Claims (20)

Board;
A partition wall layer disposed on the substrate; And
And a conductive barrier disposed within the barrier layer,
Wherein the height of the partition is equal to or longer than the line width of the partition. The method according to claim 1,
Wherein the barrier has a bar pattern. 3. The method of claim 2,
Wherein the barrier ribs are arranged in a second direction so that the bar patterns extending in the first direction form a stripe pattern. The method according to claim 1,
Wherein the partition walls are disposed in an engraved pattern in the partition wall layer. The method according to claim 1,
Wherein the ratio of the line width of the partition to the height of the partition is 1: 1 to 7. The method according to claim 1,
Wherein a depth of the barrier rib is 1 占 퐉 to 20 占 퐉. The method according to claim 1,
Wherein the partition wall has a constant line width. The method according to claim 1,
Wherein the line width of the barrier ribs increases as the barrier ribs become closer to the substrate. The method according to claim 1,
Wherein a line width of the barrier rib decreases as the barrier ribs become closer to the substrate. The method according to claim 1,
Wherein the substrate comprises a valid region and a non-valid region,
Wherein the barrier is disposed on the effective area. 11. The method of claim 10,
And a sensing electrode disposed on the effective region. 12. The method of claim 11,
Wherein the sensing electrode comprises the at least one partition. 13. The method of claim 12,
Wherein the barrier rib includes a first barrier rib forming the sensing electrode and a second barrier rib disposed at a distance between the sensing electrodes. 13. The method of claim 12,
And a wiring electrode connected to the sensing electrode. 15. The method of claim 14,
Wherein the wiring electrode includes a bundle portion disposed at both ends of the at least two partition walls, and an extension portion extending from the bundle portion. The method according to claim 1,
A first sensing electrode disposed on the substrate so as to extend in a first direction, the first sensing electrode including the barrier rib,
And a second substrate on which a second sensing electrode extending in a second direction is disposed. 17. The method of claim 16,
Wherein the substrate or the first substrate is a cover substrate. The method according to claim 1,
Wherein the barrier rib layer comprises a resin layer,
Wherein the barrier comprises a metal paste. 19. The method of claim 18,
Wherein the barrier further comprises a blackening material. Board;
A partition wall layer disposed on the substrate;
A conductive barrier disposed within the barrier layer; And
And a sensing electrode disposed on the substrate and including the conductive barrier.

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