CN203338300U - Optical filter assembly and touch displaying screen - Google Patents
Optical filter assembly and touch displaying screen Download PDFInfo
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- CN203338300U CN203338300U CN2013204008963U CN201320400896U CN203338300U CN 203338300 U CN203338300 U CN 203338300U CN 2013204008963 U CN2013204008963 U CN 2013204008963U CN 201320400896 U CN201320400896 U CN 201320400896U CN 203338300 U CN203338300 U CN 203338300U
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Abstract
The utility model relates to an optical filter assembly and a touch displaying screen. The optical filter assembly comprises a glass base material, a light shading matrix layer, a coining rubber layer, a conducting layer and a colored light resisting layer. The light shading matrix layer is arranged on one surface of the glass base material. The light shading matrix layer comprises crossed grid lines which form grids by crossing. The coining rubber layer is arranged on the glass base material and the light shading matrix layer. A groove is formed in the side, away from a glass substrate, of the coining rubber layer. The conducting layer is contained in the groove. The conducting layer comprises a first conducting pattern and a second conducting pattern. The first conducting pattern and the second conducting pattern are mutually isolated to form a sensing structure. The colored light resisting layer comprises multiple colored light resisting units which are arranged on the side, away from the glass substrate, of the coining rubber layer and correspond to the grids in a one-to-one mode. The conducting layer of the optical filter assembly is arranged in the coining rubber layer above the light shading matrix layer and prevented from being scraped.
Description
Technical field
The utility model relates to touch-screen, particularly relates to the touch display screen of a kind of optical filter box and this optical filter box of use.
Background technology
Touch-screen is a kind of inductive arrangement that receives the Touching controlling lamp input signal.Touch-screen has given information interaction brand-new looks, is extremely attractive brand-new information interaction equipment.The development of touch screen technology has caused the common concern of domestic and international information medium circle, has become the Chaoyang new high-tech industry that the photoelectricity industry is a dark horse.
Present touch display device mainly pastes combination by touch induction device and display device by full laminating or frame and obtains the touch display unit display screen.But this mode can cause the integral thickness that touches display device to increase.Moreover many one packaging technologies, just mean and increased the bad probability of product, greatly increases the production cost of product.
The utility model content
Based on this, be necessary to provide a kind of and can prevent that the conductive layer scratch is with the optical filter box that improves product yield and the touch display screen that uses this optical filter box.
A kind of optical filter box comprises:
Glass baseplate;
The shading matrix layer, be arranged on a surface of described glass baseplate, and described shading matrix layer comprises cross one another ruling, and described ruling intersects to form grid;
The impression glue-line, be arranged on described glass baseplate and described shading matrix layer, and described impression glue-line offers groove away from a side of described glass substrate;
Conductive layer, be housed in described groove, and described conductive layer comprises the first conductive pattern and the second conductive pattern, and described the first conductive pattern and the second conductive pattern space form induction structure; And
The colorama resistance layer, comprise a plurality of be arranged on described impression glue-line away from a side of described glass substrate and with described grid chromatic photoresist unit one to one.
In embodiment, described the first conductive pattern and described the second conductive pattern comprise continuous conductive grid therein, and described conductive grid is intersected to form by conductive thread.
In embodiment, the width of described conductive thread is 0.2 micron～5 microns therein, and conductive thread intersects to form mesh node mutually, and the distance between two adjacent mesh nodes is 10 microns～500 microns.
In embodiment, described conductive thread all drops on described ruling in the projection of described shading matrix layer, and the live width of described conductive thread is less than the live width of described ruling therein.
In embodiment, the projection of described conductive grid on described shading matrix layer accommodates at least one filter unit therein.
In embodiment, the material of described conductive thread is metal, alloy, carbon nano-tube, Graphene, organic conductive macromolecule or tin indium oxide therein.
In embodiment, the thickness of described conductive layer is less than or equal to the degree of depth of described groove therein.
Therein in embodiment, described the first conductive pattern comprises a plurality of the first conductive pattern unit, described the second conductive pattern comprises a plurality of the second conductive pattern unit, each first conductive pattern unit includes two parallel branch sections with each second conductive pattern unit, connect the connecting portion of two branches and the lead-in wire be connected with connecting portion, a branch section of each the first conductive pattern unit is positioned between two branch sections of the second adjacent conductive pattern unit.
In embodiment, the first conductive pattern unit and the second conductive pattern unit are cut off by the full line by whole complete conductive grid or permutation silk thread disappearance therein.
In embodiment, the first conductive pattern unit and the second conductive pattern unit are cut off by the disappearance of the silk thread marginal portion by whole complete conductive grid therein.
In embodiment, the material of described impression glue-line is ultraviolet-curing resin, On Visible Light Cured Resin or heat reactive resin therein.
A kind of touch display screen, comprise the TFT electrode, Liquid Crystal Module, public electrode, optical filter box and the polaroid that stack gradually, and described optical filter box is optical filter box as above.
In above-mentioned optical filter box, shading matrix layer and colorama resistance layer are separately positioned on the both sides of impression glue-line, and conductive layer is embedded in the groove of impression glue-line, in the process of preparation, avoid the conductive layer scratch to cause opening circuit, conduct electricity the situation such as bad, improved product yield.
The accompanying drawing explanation
The structural representation of the touch display screen that Fig. 1 is an embodiment;
The diagrammatic cross-section of the optical filter box that Fig. 2 is an embodiment;
The diagrammatic cross-section of the optical filter box that Fig. 3 is another embodiment;
The diagrammatic cross-section of the optical filter box that Fig. 4 is another embodiment;
The structural representation of the conductive layer that Fig. 5 is an embodiment;
The structural representation of the conductive layer that Fig. 6 a is another embodiment;
The structural representation of the conductive layer that Fig. 6 b is another embodiment;
The structural representation of the conductive thread that Fig. 7 a is an embodiment;
The structural representation of the conductive thread that Fig. 7 b is another embodiment;
The structural representation of the conductive thread that Fig. 8 is another embodiment;
The structural representation of the conductive thread that Fig. 9 is another embodiment;
The structural representation of the conductive thread that Figure 10 is another embodiment.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.A lot of details have been set forth in the following description so that fully understand the utility model.But the utility model can be implemented much to be different from alternate manner described here, those skilled in the art can be in the situation that do similar improvement without prejudice to the utility model intension, so the utility model is not subject to the restriction of following public concrete enforcement.
It should be noted that, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.
Unless otherwise defined, all technology that this paper is used are identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term used in instructions of the present utility model herein, just in order to describe the purpose of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
The utility model proposes a kind of optical filter box and use the touch display screen of this optical filter box.This optical filter box can be realized touch operation and optical filter function, thereby makes touch display screen have the touch Presentation Function.
Refer to Fig. 1, the touch display screen 100 of an embodiment, comprise the lower polaroid 10, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50, optical filter box 200 and the upper polaroid 60 that stack gradually.
Structure and the function of the lower polaroid 10 of the present embodiment, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50 and upper polaroid 60 can be identical with existing product, do not repeat them here.
Be appreciated that for what to use backlight be polarized light source, as the OLED polarized light source, without lower polaroid 10, only need upper polaroid 60 to get final product.Diaphragm 50 also can omit.
But optical filter box 200 has touch control operation and filtering functions simultaneously, thereby make described touch display screen 100 there is touch display function.Display screen can be the LCDs of straight-down negative or side down light source.
Following emphasis is described optical filter box 200.
Refer to Fig. 2, optical filter box 200 comprises glass baseplate 22, shading matrix layer (Black Matrix, BM) 24, impression glue-line 26, conductive layer 28 and colorama resistance layer 29.
Impression glue-line 26 is arranged on glass baseplate 22 and shading matrix layer 24.Impression glue-line 26 is transparence, and thickness is 2 μ m～10 μ m, not affect whole transmitance, is advisable.In the present embodiment, the material of impression glue-line 26 can be no-solvent type ultra-violet curing acrylic resin.In other embodiments, the material of impression glue-line 26 can also be On Visible Light Cured Resin, heat reactive resin.Offer the groove 262 for accommodating conductive layer 28 on the side of impression glue-line 26 away from glass substrate 22.The degree of depth of groove 262 can be 1 micron～8 microns.
Refer to Fig. 5, in the present embodiment, the conductive pattern that the first conductive pattern 282 and the second conductive pattern 284 are the individual layer multipoint configuration.The first conductive pattern 282 comprises that a plurality of the first conductive unit 2822, the second conductive patterns 284 comprise a plurality of the second conductive units 2842.The first conductive pattern unit 2822 includes two parallel branch sections with the second conductive pattern unit 2842, connects the connecting portion of two branches and the lead-in wire be connected with connecting portion.A branch section of each the first conductive pattern unit 2822 is positioned between two branch sections of the second adjacent conductive pattern unit 2842.The first conductive pattern 282 and the second conductive pattern 284 include conductive grid.Conductive grid is intersected to form by conductive thread a.
In other embodiments, separate and the first conductive unit 2822 and the second conductive pattern unit 2842 mutually insulated also can be separated to form whole complete conductive grid for processing by broken string.For example, refer to Fig. 6 a, the first conductive pattern unit 2822 and the second conductive pattern unit 2842 can be cut off by full line or permutation silk thread disappearance.For another example, refer to Fig. 6 b, the first conductive pattern unit 2822 and the second conductive pattern unit 2842 can be cut off by silk thread marginal portion disappearance (seeing square frame b place on figure).In above-mentioned two kinds of modes, the internodal distance of conductive thread a two broken string is 0.5 micron～50 microns.
Further, the basic grid that conductive thread a forms can be regular polygon, as square, rhombus, regular hexagon etc.The basic grid that conductive thread a forms can also be random grid.Conductive thread a can straight line, curve or broken line.
Conductive thread a can obtain the second groove that the first groove that shape and the first conductive pattern 282 be complementary and shape and the second conductive pattern 286 are complementary by first impressing on glue-line 26 at impression, then makes to filled conductive material in first, second groove.The conductive material of filling can be metal, alloy, carbon nano-tube, Graphene, organic conductive macromolecule or tin indium oxide (ITO); Be preferably metal, as nanometer silver paste.
In the embodiment shown in Figure 2, conductive thread a does not aim at the ruling of shading matrix layer 24.The live width of conductive thread a is 0.2 micron～5 microns, and conductive thread a intersects to form grid node mutually, and the distance between adjacent two grid nodes is 50 microns～500 microns.Under the condition that meets above-mentioned live width and spacing, can realize the transparent effect of conductive thread case, naked eyes are invisible.Therefore, no matter whether conductive thread a aims at the ruling of shading matrix 24, can guarantee good visual effect.
In the embodiment shown in fig. 3, conductive thread a aims at the ruling of shading matrix layer 24.Also, conductive thread a all falls on the ruling of shading matrix layer 24 in the projection of shading matrix layer 24.And the width of conductive thread a is less than the width of ruling, even conductive thread a is wider and opaque like this, can be sheltered from by shading matrix layer 24, so the user can not see conductive layer 28 in use yet, therefore can not affect the user and experience.
In the embodiment shown in fig. 4, conductive thread a aims at the ruling of shading matrix layer 24.And the width of conductive thread a equates with the width of ruling.Like this live width of conductive thread a can do wide, to reduce the manufacture difficulty of conductive thread a.
Colorama resistance layer 29 is arranged on impression glue-line 26.Colorama resistance layer 29 comprises a plurality of chromatic photoresist unit 292 of impression glue-line 26 away from a side of glass substrate 22 that are arranged on.Each chromatic photoresist unit 292 is corresponding with the grid of a shading matrix layer 24.The material of colorama resistance layer 29 can be for coloured dye, the photoresist of red (Red, R), green (Green, G), blue (Blue, B) for example, and it can adopt exposure, the formation of developing.In the present embodiment, the chromatic photoresist of colorama resistance layer 29 is the R/G/B chromatic photoresist.
Refer to Fig. 7 a and Fig. 7 b, the basic grid of conductive thread a can be rectangle, can be also irregular curve.
The basic grid shape of conductive thread a can with the similar fitgures that are shaped as of the chromatic photoresist of colorama resistance layer 29, as shown in Figure 7a, the intersection point of conductive thread a grid overlaps with the intersection point of shading matrix layer 24.The projection of conductive grid on shading matrix layer 24 accommodates at least one chromatic photoresist unit 292.
Preferably, the mesh lines of conductive thread a distance is that the integral multiple of same axial adjacent two distance between center lines of shading matrix layer 24 is so that prepare.Here can be divided into three kinds of situations: 1. only for example, on first axial (transverse axis), the mesh lines of conductive thread a is apart from being the same axially integral multiple of adjacent two distance between center lines of shading matrix layer 24, at the mesh lines of the conductive thread a of X direction apart from being about an integral multiple that ruling is wide, as shown in Figure 8; 2. only for example, on second axial (longitudinal axis), the mesh lines of conductive thread a is apart from being the same axially integral multiple of adjacent two distance between center lines of shading matrix layer 24, at the mesh lines of the conductive thread a of y direction apart from being about an integral multiple that ruling is wide, as shown in Figure 9; 3. first axially and second axially on, the conductive thread mesh lines is apart from being all the same axially integral multiple of adjacent two distance between center lines of shading matrix layer 24, at the mesh lines of the conductive thread a of transverse axis and y direction apart from all being about an integral multiple that ruling is wide, as shown in figure 10.
In above-mentioned optical filter box 200 and touch display screen 100, shading matrix layer 24 and colorama resistance layer 29 are separately positioned on the both sides of impression glue-line 26, conductive layer 28 is embedded in the groove 262 of impression glue-line 26, in the process of preparation, avoid conductive layer 28 scratches to cause opening circuit, conduct electricity the situation such as bad, improved product yield.In addition, the thickness of conductive layer 28 is no more than the degree of depth of groove 262, in the process of following process or use, can further avoid conductive layer 28 by scratch.
When the preparation process of the optical filter box 200 of conductive layer 28 1 embodiments can comprise the steps:
Step S101, just glass baseplate carries out plasma (Plasma) and processes.
Remove the spot on glass baseplate surface by plasma treatment, and make the glass baseplate surface ion.
Plasma treatment can make to increase base material in subsequent process with the cohesive force of colorama resistance layer and shading matrix layer.
Step S102, apply light screening material on glass baseplate, adopt exposure, developing manufacture process, obtain the shading matrix layer, the shading matrix layer comprises cross one another ruling, and ruling intersects to form grid.
In the present embodiment, at whole the painting/plating light screening material in glass baseplate surface, light screening material can be black UV glue or crome metal, if the shading matrix layer material is black UV glue, adopt exposure-developing technique, the shading matrix layer material in chromatic photoresist zone is removed, obtain the shading matrix layer; If the shading matrix layer material is crome metal, first be coated with one deck photoresist again through overexposure-development-etching technique, the shading matrix layer material in chromatic photoresist zone is removed, obtain the shading matrix layer.
Step S103, on glass baseplate and shading matrix layer coating impression glue, obtain impressing glue-line, offer groove on the side of impression glue-line away from glass substrate.
Can adopt impression block to obtain the first groove of shape and the first conductive pattern 282 couplings and the second groove of shape and the second conductive pattern 284 couplings in impression glue surface imprint,
Step S104, in groove, the filled conductive material obtains conductive layer, and conductive layer comprises the first conductive pattern and the second conductive pattern, and the first conductive pattern and the second conductive pattern space form induction structure.
Can and solidify to filled conductive silver ink conductive material in the first and second grooves, make conductive layer.
Step S105, deposit chromatic photoresist in grid, obtain the colorama resistance layer, obtain thus optical filter box.
This preparation technology is simple, operates controlledly, and cost is lower, applicable to suitability for industrialized production.
Above-mentioned optical filter box and preparation method thereof also has following advantage with touch display screen:
(1) optical filter box can be realized touch control operation and optical filter function simultaneously, as an indispensable assembly in display screen, during for display screen, can directly make display screen there is touch controllable function, without assemble again a touch-screen on display screen, not only be conducive to reduce the thickness of electronic product, also greatly saved material and assembly cost simultaneously.
(2) because the conductive grid silk thread is carefully arranged to visually-clear or over against shading matrix layer grid line, so the user can not see conductive grid in use.
(3) conductive pattern is selected the embedded grider structure, this structure can be by the grid live width or by the covering of shading matrix, make the conductive pattern naked eyes invisible, therefore, the material that conductive pattern is selected only expands all suitable conductive materials to transparent material by tradition, when conductive pattern is selected metal material, can greatly reduce resistance to reduce the energy consumption of touch-screen.
(4) above-mentioned conductive pattern adopts the metal grill structure, adopts imprint process to be manufactured, the technique compared to traditional ITO film as conductive layer, mesh shape can a step form, and technique is simple, does not need the expensive device such as sputter, evaporation, yield is high, is applicable to large tracts of land, production in enormous quantities.And if replace ITO with metal, material cost reduces greatly, owing to not needing to use etching technics, can not cause the waste of conductive, and environmentally friendly.
(5) because of conductive material, embed in impression glue, so can avoid the wire of conductive layer to be scratched.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (11)
1. an optical filter box, is characterized in that, comprising:
Glass baseplate;
The shading matrix layer, be arranged on a surface of described glass baseplate, and described shading matrix layer comprises cross one another ruling, and described ruling intersects to form grid;
The impression glue-line, be arranged on described glass baseplate and described shading matrix layer, and described impression glue-line offers groove away from a side of described glass substrate;
Conductive layer, be housed in described groove, and described conductive layer comprises the first conductive pattern and the second conductive pattern, and described the first conductive pattern and the second conductive pattern space form induction structure; And
The colorama resistance layer, comprise a plurality of be arranged on described impression glue-line away from a side of described glass substrate and with described grid chromatic photoresist unit one to one.
2. optical filter box according to claim 1, is characterized in that, described the first conductive pattern and described the second conductive pattern comprise continuous conductive grid, and described conductive grid is intersected to form by conductive thread.
3. optical filter box according to claim 2, is characterized in that, the width of described conductive thread is 0.2 micron～5 microns, and conductive thread intersects to form mesh node mutually, and the distance between two adjacent mesh nodes is 10 microns～500 microns.
4. according to the described optical filter box of claim 2 or 3, it is characterized in that, described conductive thread all drops on described ruling in the projection of described shading matrix layer, and the live width of described conductive thread is less than or equal to the live width of described ruling.
5. optical filter box according to claim 2, is characterized in that, the projection of described conductive grid on described shading matrix layer accommodates at least one chromatic photoresist unit.
6. optical filter box according to claim 2, is characterized in that, the material of described conductive thread is metal, alloy, carbon nano-tube, Graphene, organic conductive macromolecule or tin indium oxide.
7. optical filter box according to claim 1, is characterized in that, the thickness of described conductive layer is less than or equal to the degree of depth of described groove.
8. optical filter box according to claim 1, it is characterized in that, described the first conductive pattern comprises a plurality of the first conductive pattern unit, described the second conductive pattern comprises a plurality of the second conductive pattern unit, each first conductive pattern unit includes two parallel branch sections with each second conductive pattern unit, connect the connecting portion of two branches and the lead-in wire be connected with connecting portion, a branch section of each the first conductive pattern unit is positioned between two branch sections of the second adjacent conductive pattern unit.
9. optical filter box according to claim 8, is characterized in that, the first conductive pattern unit and the second conductive pattern unit are cut off by the full line by whole complete conductive grid or permutation silk thread disappearance.
10. optical filter box according to claim 8, is characterized in that, the first conductive pattern unit and the second conductive pattern unit are cut off by the disappearance of the silk thread marginal portion by whole complete conductive grid.
11. a touch display screen, comprise the TFT electrode, Liquid Crystal Module, public electrode, optical filter box and the polaroid that stack gradually, it is characterized in that, described optical filter box is optical filter box as described as claim 1～10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204008963U CN203338300U (en) | 2013-07-05 | 2013-07-05 | Optical filter assembly and touch displaying screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204008963U CN203338300U (en) | 2013-07-05 | 2013-07-05 | Optical filter assembly and touch displaying screen |
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| CN203338300U true CN203338300U (en) | 2013-12-11 |
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| CN2013204008963U Expired - Lifetime CN203338300U (en) | 2013-07-05 | 2013-07-05 | Optical filter assembly and touch displaying screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345322A (en) * | 2013-07-05 | 2013-10-09 | 南昌欧菲光显示技术有限公司 | Optical filter box and touch display screen |
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2013
- 2013-07-05 CN CN2013204008963U patent/CN203338300U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345322A (en) * | 2013-07-05 | 2013-10-09 | 南昌欧菲光显示技术有限公司 | Optical filter box and touch display screen |
| CN103345322B (en) * | 2013-07-05 | 2016-12-28 | 南昌欧菲光显示技术有限公司 | Optical filter box and touch display module |
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Effective date of registration: 20170630 Address after: 330000 Jiangxi city of Nanchang Province Economic and Technological Development Zone HUANGJIAHU Road Patentee after: Nanchang OFilm Tech. Co.,Ltd. Address before: North to the East, 330013 in Jiangxi province Nanchang city Nanchang economic and technological development zones clove road Longtan ditch Co-patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: Nanchang Ofilm Display Tech Co.,Ltd. Co-patentee before: Suzhou OFilm Tech. Co.,Ltd. |