CN103345327A - Touch display screen and optical filter assembly thereof - Google Patents
Touch display screen and optical filter assembly thereof Download PDFInfo
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- CN103345327A CN103345327A CN2013102825589A CN201310282558A CN103345327A CN 103345327 A CN103345327 A CN 103345327A CN 2013102825589 A CN2013102825589 A CN 2013102825589A CN 201310282558 A CN201310282558 A CN 201310282558A CN 103345327 A CN103345327 A CN 103345327A
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Abstract
An optical filter assembly comprises a substrate, an imprinting adhesive layer, a conductive layer and a filtering layer, wherein the substrate comprises a first surface and a second surface which are opposite to each other, and the imprinting adhesive layer is arranged on the first surface of the substrate in a covering mode; the conductive layer is arranged on one side of the imprinting adhesive layer in an embedding mode and comprises first conductive patterns and second conductive patterns, the first conductive patterns and the second conductive patterns are arranged at intervals to form an induction structure, and the induction structure comprises conductive grids formed by conductive wires; the filtering layer is arranged on one side of the imprinting adhesive layer in a covering mode and comprises a shading part and a filtering part, the shading part is shaped like grids and comprises mutually-intersected grid lines and a plurality of grid units, the filtering part comprises a plurality of filtering units, and each filtering unit is contained in a corresponding grid unit; the conductive layer is located between the imprinting adhesive layer and the shading part. The optical filter assembly not only can perform touch control operation, but also has the filtering function, is favorable for reducing the thickness of an electronic product, and further saves material and assembly cost. Meanwhile, a touch display screen is provided.
Description
Technical field
The present invention relates to the touch technology field, particularly relate to a kind of touch display screen and optical filter box thereof.
Background technology
Touch-screen is the inductive arrangement that can receive input signals such as touch.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.
At present, having the electronic product that touches Presentation Function includes display screen and is positioned at touch-screen on the display screen.Yet, touch-screen as with display screen assembly independently, when being used for the electronic product that some realize man-machine interactions, all need to order according to the size that shows screen, assemble again afterwards.The assembling of existing touch-screen and display screen mainly contains dual mode, and namely frame pastes and full the applying.The frame subsides are to be fitted in the edge of touch-screen and display screen, and full applying is whole the applying of upper surface with lower surface and the display screen of touch-screen.
Display screen mainly comprises polaroid, optical filter box, diaphragm, Liquid Crystal Module and thin film transistor (TFT) (the Thin Film Transistor of stack successively; TFT); therefore; display screen itself has had bigger thickness, and when continuing on the display screen applying touch-screen, will further increase its thickness; moreover; many one attaching process, just meaning has increased the bad probability of product, increases production cost of products greatly.
Summary of the invention
Based on this, be necessary to reach the cost problem of higher more greatly at thickness, a kind of touch display screen and optical filter box thereof that is conducive to reduce electronic product thickness and production cost is provided.
A kind of optical filter box comprises:
Substrate comprises opposite first and second surface;
The impression glue-line covers the first surface in described substrate, and described impression glue-line offers first groove and second groove away from a side of described substrate;
Conductive layer, be embedded at described impression glue-line away from a side of described substrate, described conductive layer comprises first conductive pattern and second conductive pattern, described first conductive pattern and second conductive pattern are in the plane of described impression glue-line extension direction space, described first conductive pattern and described second conductive pattern include the conductive grid that is intersected to form mutually by conductive thread, conductive thread intersects to form grid node, described conductive grid comprises a plurality of grid cells, described first conductive pattern and the described second conductive pattern space form induction structure, the conductive thread of described first conductive pattern is contained in described first groove, and the conductive thread of described second conductive pattern is contained in described second groove;
Filter layer, cover in the side of described impression glue-line away from described substrate, described filter layer comprises light shielding part and optical filtering portion, described light shielding part is lattice-shaped, comprise cross one another gridline and a plurality of grid cell, described optical filtering portion comprises a plurality of filter units, and each described filter unit is contained in the corresponding described grid cell, and described conductive layer is between described impression glue-line and described light shielding part.
Among embodiment, the conductive thread of the conductive thread of described first conductive pattern and second conductive pattern all falls within on the described gridline in the projection of described filter layer therein.
Among embodiment, the live width of described conductive thread is 0.2um-5um therein, and the spacing between two adjacent grid nodes is 30um-500um.
Among embodiment, the live width of the conductive thread of the conductive thread of described first conductive pattern and second conductive pattern all is not more than the live width in described gridline therein.
Therein among embodiment, the thickness of described optical filtering portion is not less than the thickness of described light shielding part.
Among embodiment, comprise and fill and lead up layer therein, cover a side that is provided with described conductive layer in described impression glue-line, the described layer of filling and leading up is between described impression glue-line and described filter layer.
Therein among embodiment, the conductive thread of described first conductive pattern and second conductive pattern is respectively to be solidify to form by the conductive material that is filled in described first groove and second groove, and described conductive material comprises at least a in metal, carbon nano-tube, Graphene, tin indium oxide and the conducting polymer.
Among embodiment, adjacent described first conductive pattern and the interval width between described second conductive pattern are 0.5～50 μ m therein.
Among embodiment, hold a described filter unit in the scope of each described grid cell of described first conductive pattern and described second conductive pattern at least therein.
A kind of touch display screen comprises the TFT electrode, Liquid Crystal Module, described optical filter box and the polaroid that stack gradually.
Above-mentioned touch display screen and optical filter box thereof, optical filter box can be realized touch control operation and filtering functions simultaneously, as an indispensable assembly in the display screen, when being used for display screen, can directly make display screen have touch controllable function, need not to assemble a touch-screen at display screen again, not only be conducive to reduce the thickness of electronic product, also saved material and assembly cost simultaneously greatly.In addition, when utilizing above-mentioned optical filter box to prepare touch display screen, can reduce attaching process one time, thus but economical with materials and enhancing productivity also.
Description of drawings
Fig. 1 is the structural representation of the touch display screen of an embodiment;
Fig. 2 is the structural representation of the optical filter box of an embodiment;
Fig. 3 is the structural representation of the optical filter box of another embodiment;
Fig. 4 is the structural representation of the optical filter box of another embodiment;
Fig. 5 is again the structural representation of the optical filter box of an embodiment;
Fig. 6 is the structural representation at another visual angle of optical filter box shown in Figure 5;
Fig. 7 is in the conductive layer of an embodiment between first conductive pattern, the interval synoptic diagram between first conductive pattern and second conductive pattern;
Fig. 8 is in the conductive layer of another embodiment between first conductive pattern, the interval synoptic diagram between first conductive pattern and second conductive pattern;
Fig. 9 is the grid cell of conductive grid and the grid cell in light shield layer structural representation one to one;
Figure 10 is the grid cell structural representation corresponding with grid cell in the light shield layer of the conductive grid of an embodiment;
Figure 11 is the grid cell structural representation corresponding with grid cell in the light shield layer of the conductive grid of another embodiment;
Figure 12 be the grid cell of conductive grid of another embodiment corresponding with grid cell in the light shield layer structural representation;
Figure 13 is the optical filter box preparation method's of an embodiment schematic flow sheet;
Figure 14 is the schematic flow sheet of the formation light shielding part of an embodiment.
Embodiment
For above-mentioned purpose, the feature and advantage that make touch display screen and optical filter box thereof can become apparent more, be described in detail below in conjunction with the embodiment of accompanying drawing to touch display screen and optical filter box thereof.A lot of details have been set forth in the following description so that fully understand touch display screen and optical filter box.But touch display screen and optical filter box thereof can be implemented much to be different from alternate manner described here, those skilled in the art can do similar improvement under the situation of touch display screen and optical filter box intension thereof, so touch display screen and optical filter box thereof are not subjected to the restriction of following public concrete enforcement.
Need to prove 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 to be directly connected to another element or may to have element placed in the middle simultaneously.
Unless otherwise defined, the employed all technology of this paper are identical with the implication that belongs to those skilled in the art's common sense of the present invention with scientific terminology.Employed term is not intended to be restriction the present invention just in order to describe the purpose of specific embodiment in the instructions of touch display screen and optical filter box thereof herein.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
The present invention proposes to be conducive to reduce the optical filter box of electronic product thickness and production cost and the touch display screen of this optical filter of use.This optical filter box can be realized touch operation and Presentation Function, thereby makes touch display screen have the touch Presentation Function.
Seeing also Fig. 1, is the touch display screen 100 of an embodiment, comprises following polaroid 10, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50, the optical filter box 200 that stacks gradually and goes up polaroid 60.In other embodiments, need not to arrange diaphragm 50 also can.
Be appreciated that when using backlight as polarized light source as the OLED polarized light source, need not down polaroid 10, only needing upward, polaroid 60 gets final product.Structure and the function of the following polaroid 10 of present embodiment, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50, last polaroid 60 can be identical with existing product, do not repeat them here.In other embodiments, also diaphragm 50 can be set.
But touch display screen 100 has tangible operation and filtering functions simultaneously, makes display screen have the touch Presentation Function.Touch display screen 100 can be the LCDs of straight-down negative or side entering type light source.
See also Fig. 2 to Fig. 5, expression be four kinds of different embodiments of optical filter box 200.Optical filter box 200 in above-mentioned four kinds of different embodiments includes substrate 210, impression glue-line 220, conductive layer 230 and filter layer 240.The material of substrate 210 can be sillico aluminate glass and calcium soda-lime glass, handles the rear surface through Plasma and has good cohesive force.General, the thickness range of substrate 210 can be 0.1mm～0.5mm, substrate 210 comprises opposite first 212 and second surface 214.
Impression glue-line 220 covers the first surface 212 in substrate 210, and the second surface 214 of substrate 210 is towards last polaroid 60, and towards user's a side, impression glue-line 220 offers first groove 222 and second groove 224 away from a side of substrate 210.The material of impression glue-line 220 can be ultraviolet cured adhesive (uitraviolet, UV), light binding, hot-setting adhesive or dried glue etc. certainly, impressing the material that glue-line 220 adopts in the present embodiment is solvent ultra-violet curing acrylic resin, the material of impression glue-line 220 is transparent, does not influence the integral light-transmitting rate of this touch display screen 100.
Above-mentioned optical filter box 200, the first conductive patterns 232 and second conductive pattern 234 arrange at interval, constitute the capacitive sensing structure, make optical filter box 200 can realize touch control operation and filtering functions simultaneously, and the design that need not to put up a bridge, and have reduced task difficulty.When above-mentioned optical filter box 200 is applied to display screen, can directly make display screen have touch controllable function, need not to assemble a touch-screen at display screen again, not only be conducive to reduce the thickness of electronic product, also save material and assembly cost greatly.When optical filter box 200 is applied to product, generally be that the second surface 214 of substrate 210 is towards eyes of user one side, and filter layer 240 is positioned at away from eyes of user one side, so when conductive layer 230 is between filter layer 240 and substrate 210, be not more than the live width of gridline as long as guarantee the live width of conductive thread a, just can not influence the light transmission of optical filtering portion 244, because directly sheltered from by light shielding part 242 from the light of polaroid 10 directions projection down, and light shielding part 242 has opaqueness.
See also Fig. 5 and Fig. 6, in present embodiment, optical filtering portion 244 comprises a plurality of filter units.Filter unit is the chromatic photoresist of printing opacity, is specially the photoresist that has coloured dye and forms, and can adopt exposure-developing manufacture process.That described filter unit is generally is red (red, R) photoresistance, it is green that (green, G) (blue, B) photoresistance are used for making incident light be transformed into monochromatic light, realize filtering functions for photoresistance or indigo plant.Light shielding part 242 is formed at the surface that impression glue-line 220 is provided with conductive layer 230 for the photoresist that has black dyes, and light shielding part 242 is lattice-shaped, has opaqueness, can adopt exposure-developing manufacture process.Grid cell is square in the lattice-shaped, makes that the photoresistance arrangement of optical filtering portion 244 is compacter evenly, and can increase the contrast of R, G, B light.Light shielding part 242 can effectively be avoided chromatic photoresist colour contamination each other.
See also Fig. 6, in present embodiment, conductive thread a is straight line, curve or broken line.Conductive thread a does not have the given shape requirement, is conducive to reduce production requirement, when conductive thread a is curve or broken line, can avoid serious Moire fringe simultaneously yet, further improves user's experience sense.
The thickness of optical filtering portion 244 is not less than the thickness of light shielding part 242.Be the thickness that the thickness of filter unit is greater than or equal to gridline.As Fig. 2, Fig. 3 and shown in Figure 5, expression be the thickness that the thickness of optical filtering portion 244 in the optical filter box 200 equals light shielding part 242.As shown in Figure 4, expression is that the thickness of optical filtering portion 244 in the optical filter box 200 is greater than the thickness of light shielding part 242.When the thickness of optical filtering portion 244 during greater than the thickness of light shielding part 242, from the light that optical filtering portion 244 appears, not only can see from the front, also can see from the side, thereby can increase the light emission rate of optical filtering portion 244.
In present embodiment, the thickness of first conductive pattern 232 less than first groove 222 the degree of depth, the thickness of second conductive pattern 234 is less than the degree of depth of second groove 224.The conductive thread a that is conducive to impress in 220 pairs of first conductive patterns 232 of glue-line and second conductive pattern 234 forms protection.The degree of depth of described first groove 222 and second groove 224 is less than the thickness of impression glue-line 220.Preventing that impressing mould from pressing wears impression glue-line 220 and to damage substrate 210.
One of them person's grid cell and filter unit similar fitgures each other in first conductive pattern 232 and second conductive pattern 234, the center line of the conductive thread a of at least one conductive pattern is in the projection of filter layer 240 and the central lines of gridline in first conductive pattern 232 and second conductive pattern 234.Be that conductive thread a is over against gridline.Conductive grid intersects to form for conductive thread a, and grid cell is cut apart by gridline and formed, and filter unit is formed at grid cell.So in the present embodiment, the shape that can make conductive grid is identical with the shape of filter unit but vary in size, and namely conductive grid and filter unit similar fitgures each other guarantee that simultaneously conductive thread a does not exceed gridline.In present embodiment, the center line of the conductive thread a of first conductive pattern 232 and second conductive pattern 234 the projection of filter layer 240 all with the central lines of gridline.Further reduce conductive thread a and exposed the probability in gridline zone.Certainly, in other embodiments, the only center line of the conductive thread a of arbitrary conductive pattern and the central lines of gridline.
In present embodiment, the conductive thread a of the conductive thread a of first conductive pattern 232 and second conductive pattern 234 is solidify to form by the conductive material that is filled in first groove 222 and second groove 224, and conductive material can be among metal, carbon nano-tube, Graphene, organic conductive macromolecule and the ITO any one.Therefore, when forming conductive layer 230, can pass through the impressing mould one-shot forming, the pattern that obtains presetting, and need not be by graphical etching, thereby the simplification flow process.Special when using ITO as conductive material, owing to need not etching, thus reduced waste of material, and then save cost.Adopt first groove 222 and second groove 224 to form conductive layer 230, make conductive material be not limited to traditional ITO, thereby increased the selection face of conductive material.
In present embodiment, adjacent conductive pattern setting interval is with mutually insulated.As shown in Figure 7, expression is that interval width between first conductive pattern 232 and second conductive pattern 234 is the width of a filter unit.Can lack to cut off this moment by full line or permutation conductive thread a.As shown in Figure 8, expression be, the first adjacent conductive pattern 232 and the interval width between second conductive pattern 234 can rationally be set to 0.5～50 μ m, the interval width between adjacent first conductive pattern 232 and second conductive pattern 234 is 0.5～50 μ m.This moment can be by cutting off the marginal portion disappearance of conductive thread a.
At least accommodate a filter unit in the scope of each grid cell of first conductive pattern 232 and second conductive pattern 234.As shown in Figure 9, the range content of each grid cell of first conductive pattern 232 and second conductive pattern 234 has been received a filter unit.Because the conductive thread a of first conductive pattern 232 and second conductive pattern 234 all is embedded in the gridline, so the filter unit that holds is integer, quantity is one.Because each grid cell is to there being a conductive grid, so the density of conductive grid is bigger, electric conductivity is better.
To shown in Figure 12, each conductive grid of first conductive pattern, 232 second conductive patterns 234 accommodates at least two filter units as Figure 10.Because the conductive thread a of first conductive pattern 232 and second conductive pattern 234 all is embedded in the gridline, so the filter unit that holds is integer, quantity is at least two.
Can be divided into three kinds of situations this moment, and laterally to be X-axis, the direction of vertical transverse is Y-axis.As shown in figure 10, only on X-direction, each conductive grid of first conductive pattern 232 and second conductive pattern 234 holds at least two filter units.As shown in figure 11, only on Y direction, each conductive grid of first conductive pattern 232 and second conductive pattern 234 holds at least two filter units.As shown in figure 12, on X-axis and Y direction, each conductive grid of first conductive pattern 232 and second conductive pattern 234 holds at least two filter units simultaneously.
In addition, also provide a kind of optical filter box 200 preparation methods.
See also Figure 13, in one embodiment, optical filter box 200 preparation methods comprise step S110～S150:
Step S110 provides a substrate 210, comprises opposite first 212 and second surface 214.
210 carryings of substrate and protective effect, and light-permeable.The material of substrate 210 and the effect as mentioned above, so do not repeat them here.Before carrying out subsequent step, also can carry out plasma (Plasma) pre-service to substrate 210, removing the dirty of substrate 210 surfaces, and make substrate 210 surface ionizations, increase cohesive force follow-up and impression glue-line 220.
Step S120 applies impression glue in the first surface 212 of described substrate 210, forms impression glue-line 220.Impression glue is transparence.In the present embodiment, the material of impression glue is solvent-free ultra-violet curing acrylic resin.It is pointed out that in other embodiments impression glue material can also be visible-light curing resin, heat reactive resin etc.
Step S130 impresses described impression glue-line 220 away from a side of described substrate 210, forms first groove 222 and second groove 224, and described first groove 222 arranges at interval with described second groove 224.First groove 222 and second groove 224 are the groove of reservation shape, namely can be preset to required figure as required.Particularly, use with the corresponding impression formboard of first conductive pattern 232 and second conductive pattern 234 in impression glue-line 220 and substrate 210 facing surfaces and to impress, and ultraviolet ray (UV) is solidified, obtain first groove 222 with first conductive pattern 232 coupling, with second groove 224 of second conductive pattern, 234 couplings.
Step S140, lay conductive layer 230, filled conductive materials and make it solidify to form conductive layer 230 in described first groove 222 and described second groove 224, the conductive material that is contained in described first groove 222 solidify to form first conductive pattern 232, and the conductive material that is contained in described second groove 224 solidify to form second conductive pattern 234.
Particularly, conductive material can be among metal, carbon nano-tube, Graphene, organic conductive macromolecule and the ITO any one, therefore, when forming conductive layer 230, can pass through impressing mould one-shot forming, the pattern that obtains presetting, and need not be by graphical etching, thereby simplify flow process.Special when using ITO as conductive material, owing to need not etching, thus reduced waste of material, and then save cost.Adopt first groove 222 and second groove 224 to form conductive layer 230, make conductive material be not limited to traditional ITO, thereby increased the selection face of conductive material.
This conductive material forms the conductive grid that is made of conductive thread a intersection.Be preferably metal, as nanometer silver paste.When selecting metal for use, the energy consumption that can reduce resistance and reduce touch display screen.The conductive thread a that the conductive thread a of first conductive pattern 232 is contained in first groove, 222, the second conductive patterns 234 is contained in second groove 224.First groove 222 and second groove 224 arrange at interval, can make the conductive thread a of first conductive pattern 232 and the conductive thread a space of second conductive pattern 234 form induction structure.
Step S150 lays and fills and leads up layer, is provided with the surface-coated impression glue of conductive layer 230 and makes its curing at impression glue-line 220, forms and fills and leads up layer.Be provided with the surface-coated UV glue of conductive layer 230 at impression glue-line 220, form and fill and lead up layer 250.Because of after impression glue-line 220 is carried out imprint process, can cause impression glue-line 220 surface irregularities unavoidably, so before carrying out follow-up making, can arrange impression glue-line 220 surfaces that are provided with conductive layer 230 and fill and lead up layer 250, so that impression glue-line 220 surfacings, convenient follow-up filter layer 240 better covers, and is illustrated in figure 5 as to be provided with the optical filter box 200 of filling and leading up layer 250.Even it is pointed out that not arrange fills and leads up layer 250, also can realize covering the purpose of filter layer 240.This material of filling and leading up layer 250 can be transparent heat reactive resin or UV cured resin etc., and in the present embodiment, the material of filling and leading up layer 250 can be the UV cured resin.
Step S160, a side that is provided with conductive layer 230 at impression glue-line 220 forms the light shielding part 242 that is intersected to form mutually by gridline, and described light shielding part 242 is lattice-shaped structure, comprises a plurality of grid cells.In the present embodiment, fill and lead up layer because being provided with, thus with light shielding part 242 be formed on the impression glue-line 220 be provided with a side of conductive layer 230 and specifically be positioned at fill and lead up the layer away from the impression glue-line 220 a surface.
Step S170 applies photoresist respectively in described a plurality of grid cells, to form the filter unit that a plurality of intervals arrange, described a plurality of filter units form optical filtering portion 244.Wherein, light shielding part 242 and optical filtering portion 244 all belong to light shield layer.
To grid cell, namely the zone that is not covered by photoresist applies photoresist, just can obtain a plurality of filter units after it is solidified, thereby form optical filtering portion 244.Photoresist is rgb light resistance material, according to the three primary colors principle, after the light mixing through different filter units, can obtain the light of other multiple colors.Because filter unit is positioned at grid cell, gridline separates a plurality of filter units separately.
See also Figure 14, among embodiment, above-mentioned steps S160 is specially therein:
Step S162, a side that is provided with conductive layer 230 at impression glue-line 220 applies the photoresist of black dyes and makes its curing, forms the black photoresist layer.
Step S164 adopts exposure-developing technique that described black photoresist layer is etched into lattice-shaped structure, obtains described light shielding part 242, and described light shielding part 242 comprises a plurality of grid cells.
Photoresist can be removed by exposure-development.Therefore, can carry out etching to the black photoresist layer by exposure-development, the zone (being used to form the part of filter unit) of grid cell correspondence is removed, form many lattice-shapeds that gridline intersects to form mutually, thereby obtain light shielding part 242.
By above-mentioned color filter preparation method, can obtain a kind of optical filter box 200, this optical filter box 200 can be realized touch control operation and filtering functions simultaneously.As the combination of indispensable two assemblies in the display screen, when this optical filter box 200 is used for touch display screen, can directly make display screen have touch controllable function, need not to assemble a touch-screen at display screen again, thereby be conducive to reduce the thickness of electronic product.In addition, when utilizing optical filter box 200 preparation touch display screens, can reduce attaching process one time, thus but economical with materials and enhancing productivity also.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an optical filter box is characterized in that, comprising:
Substrate comprises opposite first and second surface;
The impression glue-line covers the first surface in described substrate, and described impression glue-line offers first groove and second groove away from a side of described substrate;
Conductive layer, be embedded at described impression glue-line away from a side of described substrate, described conductive layer comprises first conductive pattern and second conductive pattern, described first conductive pattern and second conductive pattern are in the plane of described impression glue-line extension direction space, described first conductive pattern and described second conductive pattern include the conductive grid that is intersected to form mutually by conductive thread, conductive thread intersects to form grid node, described conductive grid comprises a plurality of grid cells, described first conductive pattern and the described second conductive pattern space form induction structure, the conductive thread of described first conductive pattern is contained in described first groove, and the conductive thread of described second conductive pattern is contained in described second groove;
Filter layer, cover in the side of described impression glue-line away from described substrate, described filter layer comprises light shielding part and optical filtering portion, described light shielding part is lattice-shaped, comprise cross one another gridline and a plurality of grid cell, described optical filtering portion comprises a plurality of filter units, and each described filter unit is contained in the corresponding described grid cell, and described conductive layer is between described impression glue-line and described light shielding part.
2. optical filter box according to claim 1 is characterized in that, the conductive thread of the conductive thread of described first conductive pattern and second conductive pattern all falls within on the described gridline in the projection of described filter layer.
3. optical filter box according to claim 1 and 2 is characterized in that, the live width of described conductive thread is 0.2um-5um, and the spacing between two adjacent grid nodes is 30um-500um.
4. optical filter box according to claim 1 and 2 is characterized in that, the live width of the conductive thread of the conductive thread of described first conductive pattern and second conductive pattern all is not more than the live width in described gridline.
5. optical filter box according to claim 1 is characterized in that, the thickness of described optical filtering portion is not less than the thickness of described light shielding part.
6. optical filter box according to claim 1 is characterized in that, comprises filling and leading up layer, covers a side that is provided with described conductive layer in described impression glue-line, and the described layer of filling and leading up is between described impression glue-line and described filter layer.
7. optical filter box according to claim 1, it is characterized in that, the conductive thread of described first conductive pattern and second conductive pattern is respectively to be solidify to form by the conductive material that is filled in described first groove and second groove, and described conductive material comprises at least a in metal, carbon nano-tube, Graphene, tin indium oxide and the conducting polymer.
8. optical filter box according to claim 1 is characterized in that, adjacent described first conductive pattern and the interval width between described second conductive pattern are 0.5～50 μ m.
9. optical filter box according to claim 1 is characterized in that, holds a described filter unit in the scope of each described grid cell of described first conductive pattern and described second conductive pattern at least.
10. a touch display screen is characterized in that, comprises the TFT electrode, Liquid Crystal Module, optical filter box and the polaroid that stack gradually, and described optical filter box is the optical filter box described in claim 1 to 9.
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| US20120033168A1 (en) * | 2010-08-09 | 2012-02-09 | Samsung Electronics Co., Ltd. | Liquid crystal display including touch sensor layer and manufacturing method thereof |
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| CN103135292A (en) * | 2011-11-30 | 2013-06-05 | 乐金显示有限公司 | Liquid crystal display device having touch screen |
| CN103163676A (en) * | 2012-09-26 | 2013-06-19 | 敦泰科技有限公司 | Liquid crystal display touch screen integrating single layer capacitance transducer and application device thereof |
| CN203386168U (en) * | 2013-07-05 | 2014-01-08 | 南昌欧菲光显示技术有限公司 | Touch display screen and optical filter assembly thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120033168A1 (en) * | 2010-08-09 | 2012-02-09 | Samsung Electronics Co., Ltd. | Liquid crystal display including touch sensor layer and manufacturing method thereof |
| CN103135292A (en) * | 2011-11-30 | 2013-06-05 | 乐金显示有限公司 | Liquid crystal display device having touch screen |
| CN103163676A (en) * | 2012-09-26 | 2013-06-19 | 敦泰科技有限公司 | Liquid crystal display touch screen integrating single layer capacitance transducer and application device thereof |
| CN102903423A (en) * | 2012-10-25 | 2013-01-30 | 南昌欧菲光科技有限公司 | Conduction structure in transparent conduction film, transparent conduction film and manufacture method thereof |
| CN203386168U (en) * | 2013-07-05 | 2014-01-08 | 南昌欧菲光显示技术有限公司 | Touch display screen and optical filter assembly thereof |
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