CN103345331A - Light-polarization light-filtering module and touch display screen - Google Patents
Light-polarization light-filtering module and touch display screen Download PDFInfo
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- CN103345331A CN103345331A CN2013102826948A CN201310282694A CN103345331A CN 103345331 A CN103345331 A CN 103345331A CN 2013102826948 A CN2013102826948 A CN 2013102826948A CN 201310282694 A CN201310282694 A CN 201310282694A CN 103345331 A CN103345331 A CN 103345331A
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Abstract
The invention discloses a light-polarization light-filtering module and a touch display screen. The light-polarization light-filtering module comprises a light-polarization sheet assembly and a light-filtering sheet assembly, wherein the light-polarization sheet assembly comprises a light-polarization sheet and a first conductive layer arranged at one side of the light-polarization sheet, the light-filtering assembly comprises a transparent substrate, a light-filtering layer and a second conductive layer, and the light-filtering layer and the second conductive layer are located at the same side of the transparent substrate. The light-polarization light-filtering module can simultaneously realize a touch operation, a light-polarization function and a light-filtering function, and is necessary for the display screen. When the light-polarization light-filtering module is applied to the display screen, the light-polarization light-filtering module directly enables the display screen to have a touch-control function, the display screen does not need to be additionally provided with a touch screen, the thickness of an electronic product is reduced, and materials and assembly cost are largely saved at the same time.
Description
Technical field
The present invention relates to display technique field, plane, particularly relate to a kind of polarisation optical filtering module and touch display screen.
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.Touch-screen as with display screen assembly independently, when being used for the electronic product of some realization man-machine interactions, all need to order according to the size of display screen, assemble again afterwards, with the formation touch display screen, but touch display screen can have touch control operation and Presentation Function simultaneously.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.
Traditional display screen mainly comprises polaroid, optical filter box, Liquid Crystal Module and TFT(Thin Film Transistor, thin film transistor (TFT)), had bigger thickness, and when continuing on the display screen applying touch-screen, will further increase the thickness of touch display screen.
Summary of the invention
Based on this, be necessary to provide a kind of polarisation optical filtering module and touch display screen that reduces to reduce electronic product thickness.
A kind of polarisation optical filtering module comprises: the polaroid assembly, comprise polaroid and the first transparent conductive layer, and described first conductive layer is arranged at described polaroid one side, and described first conductive layer comprises a plurality of first conductive units that arrange along the first direction parallel interval; Optical filter box, comprise transparent substrates, and be positioned at filter layer and second conductive layer of described transparent substrates the same side, described filter layer comprises light shielding part and optical filtering portion, described light shielding part is intersected to form mutually by gridline, and described gridline intersects to form a plurality of grid cells mutually; Described optical filtering portion comprises a plurality of filter units, and each described filter unit is contained in the corresponding described grid cell; Described second conductive layer comprises a plurality of second conductive units that arrange along the second direction parallel interval, and each described second conductive unit is intersected to form mutually by conductive thread, and described conductive thread intersects to form grid node mutually; Described first direction and second direction are not parallel to each other, and described first conductive unit and second conductive unit insulate at thickness direction; The conductive thread live width of described second conductive layer is 0.2 micron～5 microns, and the distance of adjacent two grid nodes is 50 microns～800 microns.
Among embodiment, the interval width of two adjacent described first conductive units is 0.5 micron～50 microns therein, and the interval width of two adjacent described second conductive units is 0.5 micron～50 microns.
Among embodiment, described second conductive layer is arranged at described filter layer away from a side of described transparent substrates, or is arranged between described filter layer and the described transparent substrates therein.
Therein among embodiment, described second conductive layer is away from a side of described transparent substrates or the described transparent substrates side near described filter layer, by being coated with or plating the conductive material conductive layer that etching forms that exposes again at described filter layer.
Therein among embodiment, described optical filter box comprises the impression glue-line, described impression glue-line is arranged at described filter layer away from a side of described transparent substrates, or be arranged between described filter layer and the described transparent substrates, described impression glue-line offers groove away from a side of described transparent substrates, and described second conductive layer is contained in described groove.
Among embodiment, the degree of depth of described groove is less than the thickness of described impression glue-line therein, and the conductive thread thickness of described second conductive layer is not more than the degree of depth of described groove.
Among embodiment, described first conductive layer is the conductive layer of tin indium oxide material therein.The conductive thread of described second conductive layer is at least a in metal simple-substance line, metal alloy wire, carbon nano tube line, Graphene line, organic conductive macromolecule line or the indium oxide solder.
Among embodiment, described transparent substrates is substrate of glass therein.
Among embodiment, described polarisation optical filtering module also comprises substratum transparent therein, and described transparent substrates is bonding by described substratum transparent and described polaroid assembly away from a side of described filter layer and second conductive layer.
A kind of touch display screen comprises TFT electrode, Liquid Crystal Module and above-mentioned any one polarisation optical filtering module of stacking gradually.
Above-mentioned polarisation optical filtering module and touch display screen, polarisation optical filtering module can realize touch operation, polarized light function 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 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.
Description of drawings
Fig. 1 is the structural drawing of polarisation optical filtering module among the embodiment;
Fig. 2 is the structural drawing of polaroid assembly and first conductive layer among the embodiment;
Fig. 3 is the structural drawing of optical filter box and second conductive layer among the embodiment;
Fig. 4 is the structural drawing of polarisation optical filtering module among another embodiment;
Fig. 5 is the structural drawing of polarisation optical filtering module among the another embodiment;
Fig. 6 is the structural drawing of polarisation optical filtering module among the another embodiment.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar improvement under the situation of intension of the present invention, so the present invention is 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 instructions of the present invention herein.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
A kind of polarisation optical filtering module as shown in Figure 1 to Figure 3, comprises polaroid assembly 100 and optical filter box 200.
Polaroid assembly 100 comprises polaroid 110 and the first transparent conductive layer 120, first conductive layer 120 is arranged at polaroid 110 1 sides, first conductive layer 120 comprises a plurality of first conductive units 122 that arrange along the first direction parallel interval, first conductive unit 122 is transparent list structure, can reduce task difficulty.First conductive unit 122 can obtain by etch processes.
First direction and second direction are not parallel to each other, and first conductive unit 122 and second conductive unit 232 form Inductance and Capacitance in the thickness direction insulation.The conductive thread live width of second conductive layer 230 is 0.2 micron～5 microns, and the distance of adjacent two grid nodes is 50 microns～800 microns, to guarantee second conductive layer, 230 visually-clear, guarantee that namely visible light transmittance rate is greater than 80%, this moment, second conductive layer, 230 conductive threads can fall within on the gridline in the projection of filter layer 220, as shown in figures 1 and 3, can not fall within on the gridline, as shown in Figure 4 yet.
First conductive layer 120 can be the conductive layer of tin indium oxide (ITO) material in the present embodiment, also can adopt other conductive materials in other embodiments, as long as satisfy transparent.First conductive layer 120 specifically can be by being coated with or plating conductive layer in polaroid 110 1 sides, and etched mode prepares again.
The conductive thread of second conductive layer 230 can be in metal simple-substance line, metal alloy wire, carbon nano tube line, Graphene line, organic conductive macromolecule line or the ITO line at least a.In the present embodiment, the conductive thread of second conductive layer 230 is the metal simple-substance line, and for example silver-colored line can improve electric conductivity.The interval width of two adjacent first conductive units 122 can be 0.5 micron to 50 microns, and the interval width of two adjacent second conductive units 232 also can be 0.5 micron to 50 microns.
Second conductive layer 230 comprises a plurality of conductive grids, and the linear of the lead silk thread of second conductive layer 230 can be straight line, curve or broken line also, the conductive grid that constitutes be shaped as square, rhombus, regular hexagon etc., also can be random grid.Can select according to the actual conditions working condition, reduce production requirement.
Therein among embodiment, optical filter box 200 also can comprise impression glue-line 240, and impression glue-line 240 can be arranged between filter layer 220 and the transparent substrates 210, as Fig. 1, Fig. 3 and shown in Figure 4, also can be arranged at filter layer 220 away from a side of transparent substrates 210, as shown in Figure 5.Second conductive layer 230 can adopt the impression mode to form, and specifically can offer groove away from a side of transparent substrates 210 at impression glue-line 240, filled conductive material and solidify and make second conductive layer 230 in the groove again, and namely second conductive layer 230 is contained in groove.
Impression glue-line 240 is transparence, does not influence whole transmitance.The material of impression glue-line 240 specifically can be solvent-free ultra-violet curing acrylic resin, (polymethylmethacrylate, PMMA) UV cured resin can also be visible-light curing resin or heat reactive resin to polymethylmethacrylate.The thickness of impression glue-line 240 can be 2 μ m～10 μ m, both can avoid because the impression glue-line 240 thin excessively groove that makes is shallow excessively, and influence the integrality of groove, and it is blocked up and cause optical filter box 200 blocked up also can to avoid impressing glue-line 240.The present embodiment further groove degree of depth is less than the thickness of impression glue-line 240, and the conductive thread thickness of second conductive layer 230 is not more than the degree of depth of groove, can avoid second conductive layer 230 exposed and in subsequent technique by scratch.
Be appreciated that in other embodiments optical filter box 200 can not comprise that also impression glue-line 240, the second conductive layers 230 can be by being coated with or plating conductive material, the etched mode of exposing again prepares.Equally, second conductive layer 230 can directly be arranged at filter layer 220 away from a side of transparent substrates 210, also can directly be arranged between filter layer 220 and the transparent substrates 210.
Among embodiment, polarisation optical filtering module also can comprise the substratum transparent (not shown) therein, and transparent substrates 210 is bonding by substratum transparent and polaroid assembly 100 away from a side of filter layer 220 and second conductive layer 230.Particularly, transparent substrates 210 can be by substratum transparent and polaroid 110 side bonds away from first conductive layer 120, as Fig. 1, Fig. 4 and shown in Figure 5, also can be the side bonds that first conductive layer 120 is set by substratum transparent and polaroid 110, as shown in Figure 6.Be appreciated that in other embodiments polarisation optical filtering module also can not comprise substratum transparent, transparent substrates 210 is connected with polaroid assembly 100 by other means.
Wherein several embodiment to polarisation optical filtering module making method are elaborated below.
As Fig. 1, Fig. 4 and the polarisation optical filtering module with touch control operation function shown in Figure 6, first conductive layer 120 obtains through etching by being coated with/plating the layer of transparent conductive material again; Second conductive layer 230 adopts the impression modes to prepare, and when being covered between filter layer 220 and the transparent substrates 210, its manufacturing process is as follows:
(1) at a surface whole plating layer of transparent conductive material of polaroid 110 or be coated with the layer of transparent conductive ink and solidify that (conductive material or conductive ink can be Graphene, electrically conducting transparent macromolecular material, nano metal line ink or ITO etc., and it is transparent to solidify after-vision.Present embodiment plating one deck ITO), form conductive layer.
(2) coating photoresist layer, utilize first mask plate corresponding with the conductive pattern of first conductive layer 120 that photoresist layer is exposed, develops, only cover the photoresist corresponding with the conductive pattern of first conductive layer 120 on conductive layer, other local photoresist is removed.
(3) utilize lithographic technique that conductive layer is carried out etching, obtain first conductive unit separate, insulation, thereby obtain having the polaroid assembly 100 of first conductive layer 120.
(4) at first carry out Plasma on a surface of transparent substrates 210 and handle, remove the dirty of transparent substrates 210 surfaces, and make surface ionization, increase follow-up and cohesive force other material.
(5) at transparent substrates 210 above-mentioned treated surface coating impression glue-lines 240, can adopt PMMA UV cured resin in the present embodiment, and the impression block of using the conductive pattern with second conductive layer 230 to be nested impresses on impression glue-line 240 surfaces and solidifies, and obtains be used to the groove of accommodating second conductive layer 230.
(6) filled conductive material and solidifying in the groove, (conductive material can be metal simple-substance or alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO to obtain second conductive unit of separate, insulation.Be preferably metal, as nanometer silver paste), thus second conductive layer 230 obtained.
(7) the surperficial whole face that is embedded with second conductive layer 230 at impression glue-line 240 is coated with/plates the photoresist that has black dyes, obtains initial light shield layer.
(8) utilize second mask plate corresponding with the gridline pattern of light shielding part 222 that initial light shield layer is exposed, develops, carry out etching again, obtain light shielding part 222.
(9) plate/coat the R/G/B filter unit in the corresponding region gradation again, thereby obtain having the optical filter box 200 of second conductive layer 230.
(10) optical filter box 200 that will have the polaroid assembly 100 of first conductive layer 120 and have second conductive layer 230 bonds by transparent adhesive and solidifies, and obtains having the polarisation optical filtering module of touch control operation function.
Have the polarisation optical filtering module of touch control operation function as shown in Figure 5, first conductive layer 120 obtains through etching by being coated with/plating the layer of transparent conductive material again; Second conductive layer 230 adopts the impression modes to prepare, and when being covered in filter layer 220 away from a side of transparent substrates 210, its manufacturing process is as follows:
(1) at a surface whole plating layer of transparent conductive material of polaroid 110 or be coated with the layer of transparent conductive ink and solidify that (conductive material or conductive ink can be Graphene, electrically conducting transparent macromolecular material, nano metal line ink or ITO etc., and it is transparent to solidify after-vision.Present embodiment plating one deck ITO), form conductive layer.
(2) coating photoresist layer, utilize first mask plate corresponding with the conductive pattern of first conductive layer 120 that photoresist layer is exposed, develops, only cover the photoresist corresponding with the conductive pattern of first conductive layer 120 on conductive layer, other local photoresist is removed.
(3) utilize lithographic technique that conductive layer is carried out etching, obtain first conductive unit separate, insulation, thereby obtain having the polaroid assembly 100 of first conductive layer 120.
(4) at first carry out Plasma on a surface of transparent substrates 210 and handle, remove the dirty of transparent substrates 210 surfaces, and make surface ionization, increase follow-up and cohesive force other material.
(5) be coated with/plate the photoresist that has black dyes at the whole face in transparent substrates 210 above-mentioned treated surfaces, obtain initial light shield layer.
(6) utilize second mask plate corresponding with the gridline pattern of light shielding part 222 that initial light shield layer is exposed, develops, carry out etching again, obtain light shielding part 222.
(7) plate/coat the R/G/B filter unit in the corresponding region gradation again, thereby obtain filter layer 220.
(8) in filter layer 220 surface coating impression glue-line 240(present embodiments, can adopt PMMA UV cured resin), and the impression block of using the conductive pattern with second conductive layer 230 to be nested impresses on impression glue-line 240 surfaces and solidifies, and obtains be used to the groove of accommodating second conductive layer 230.
(9) filled conductive material and solidifying in the groove, (conductive material can be metal simple-substance or alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO to obtain second conductive unit of separate, insulation.Be preferably metal, as nanometer silver paste), obtain second conductive layer 230, thereby obtain having the optical filter box 200 of second conductive layer 230.
(10) optical filter box 200 that will have the polaroid assembly 100 of first conductive layer 120 and have second conductive layer 230 bonds by transparent adhesive and solidifies, and obtains having the polarisation optical filtering module of touch control operation function.
Above-mentioned polarisation optical filtering module with touch control operation function, first conductive layer obtains through etching by being coated with/plating the layer of transparent conductive material again, second conductive layer is by being coated with/plating a conductive layer, again through etching preparation, and when being covered between filter layer and the transparent substrates, its manufacturing process is as follows:
(1) at a surface whole plating layer of transparent conductive material of polaroid or be coated with the layer of transparent conductive ink and solidify that (conductive material or conductive ink can be Graphene, electrically conducting transparent macromolecular material, nano metal line ink or ITO etc., and it is transparent to solidify after-vision.Present embodiment plating one deck ITO), form conductive layer.
(2) coating photoresist layer, utilize first mask plate corresponding with the conductive pattern of first conductive layer that photoresist layer is exposed, develops, only cover the photoresist corresponding with the conductive pattern of first conductive layer on conductive layer, other local photoresist is removed.
(3) utilize lithographic technique that conductive layer is carried out etching, obtain first conductive unit separate, insulation, thereby obtain having the polaroid assembly of first conductive layer.
(4) at first carry out Plasma on a surface of transparent substrates and handle, remove the dirty of transparent substrates surface, and make surface ionization, increase follow-up and cohesive force other material.
(5) whole the plating conductive material or be coated with one deck conductive ink and solidify that (conductive material or conductive ink can be metal simple-substance, metal alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO on the above-mentioned treated surface of transparent substrates, present embodiment is the Nano Silver ink), obtain conductive layer.
(6) coating one deck photoresist through overexposure-developing technique, only keeps the photoresist of the conductive pattern portions that covers second conductive layer, and the photoresist in all the other places (comprising needs broken string zone) is removed.
(7) utilize lithographic technique that above-mentioned conductive layer is carried out etching, obtain second conductive unit separate, insulation.
(8) be coated with/plate the photoresist that has black dyes at the whole face of above-mentioned conductive layer surface, obtain initial light shield layer.
(9) utilize second mask plate corresponding with the gridline pattern of light shielding part that initial light shield layer is exposed, develops, carry out etching again, obtain light shielding part.
(10) plate/coat the R/G/B filter unit in the corresponding region gradation again, thereby obtain having the optical filter box of second conductive layer.
(11) optical filter box that will have the polaroid assembly of first conductive layer and have second conductive layer bonds by transparent adhesive and solidifies, and obtains having the polarisation optical filtering module of touch control operation function.
Above-mentioned polarisation optical filtering module with touch control operation function, first conductive layer obtains through etching by being coated with/plating the layer of transparent conductive material again, second conductive layer is by being coated with/plating a conductive layer, again through etching preparation, and when being covered in filter layer away from a side of transparent substrates, its manufacturing process is as follows:
(1) at a surface whole plating layer of transparent conductive material of polaroid or be coated with the layer of transparent conductive ink and solidify that (conductive material or conductive ink can be Graphene, electrically conducting transparent macromolecular material, nano metal line ink or ITO etc., and it is transparent to solidify after-vision.Present embodiment plating one deck ITO), form conductive layer.
(2) coating photoresist layer, utilize first mask plate corresponding with the conductive pattern of first conductive layer that photoresist layer is exposed, develops, only cover the photoresist corresponding with the conductive pattern of first conductive layer on conductive layer, other local photoresist is removed.
(3) utilize lithographic technique that conductive layer is carried out etching, obtain first conductive unit separate, insulation, thereby obtain having the polaroid assembly of first conductive layer.
(4) at first carry out Plasma on a surface of transparent substrates and handle, remove the dirty of transparent substrates surface, and make surface ionization, increase follow-up and cohesive force other material.
(5) be coated with/plate the photoresist that has black dyes at the whole face in the above-mentioned treated surface of transparent substrates, obtain initial light shield layer.
(6) utilize second mask plate corresponding with the gridline pattern of light shielding part that initial light shield layer is exposed, develops, carry out etching again, obtain light shielding part.
(7) plate/coat the R/G/B filter unit in the corresponding region gradation again, thereby obtain filter layer.
(8) whole the plating conductive material or be coated with one deck conductive ink and solidify that (conductive material or conductive ink can be metal simple-substance, metal alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO on filter layer surface, present embodiment is the Nano Silver ink), obtain conductive layer.
(9) coating one deck photoresist through overexposure-developing technique, only keeps the photoresist of the conductive pattern portions that covers second conductive layer, and the photoresist in all the other places (comprising needs broken string zone) is removed.
(10) utilize lithographic technique that above-mentioned conductive layer is carried out etching, obtain second conductive unit separate, insulation, thereby obtain having the optical filter box of second conductive layer.
(11) optical filter box that will have the polaroid assembly of first conductive layer and have second conductive layer bonds by transparent adhesive and solidifies, and obtains having the polarisation optical filtering module of touch control operation function.
Above-mentioned polarisation optical filtering module, can realize touch operation, polarized light function 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 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.
The material that second conductive layer 230 is selected for use only expands all suitable conductive materials to transparent material by tradition; When conductive material is selected metal material for use, the energy consumption that can reduce resistance greatly and reduce touch-screen.
Above-mentioned polarisation optical filtering module with touch controllable function is double-deck conductive structure, and the design that need not to put up a bridge reduces task difficulty greatly.Adopt above-mentioned polarisation optical filtering module, (Liquid Crystal Display, LCD) signal to the touch-control effect disturbs can to reduce LCD.
In addition, the present invention also provides a kind of touch display screen, can be the LCDs of straight-down negative or side entering type light source.Touch display screen comprises TFT electrode, Liquid Crystal Module and the above-mentioned polarisation optical filtering module that stacks gradually.Because polarisation optical filtering module has touch operation, polarized light function and filtering functions simultaneously, makes touch display screen have the touch Presentation Function.Not only be conducive to reduce the thickness of electronic product, also saved material and assembly cost simultaneously greatly.Be appreciated that for using backlight as polarized light source, as OLED(Organic Light-Emitting Diode, Organic Light Emitting Diode) polarized light source, then need not down polaroid, only need the polarisation module in the above-mentioned polarisation optical filtering module to get final product.
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. a polarisation optical filtering module is characterized in that, comprising:
The polaroid assembly comprises polaroid and the first transparent conductive layer, and described first conductive layer is arranged at described polaroid one side, and described first conductive layer comprises a plurality of first conductive units that arrange along the first direction parallel interval;
Optical filter box, comprise transparent substrates, and be positioned at filter layer and second conductive layer of described transparent substrates the same side, described filter layer comprises light shielding part and optical filtering portion, described light shielding part is intersected to form mutually by gridline, and described gridline intersects to form a plurality of grid cells mutually; Described optical filtering portion comprises a plurality of filter units, and each described filter unit is contained in the corresponding described grid cell; Described second conductive layer comprises a plurality of second conductive units that arrange along the second direction parallel interval, and each described second conductive unit is intersected to form mutually by conductive thread, and described conductive thread intersects to form grid node mutually;
Described first direction and second direction are not parallel to each other, and described first conductive unit and second conductive unit insulate at thickness direction; The conductive thread live width of described second conductive layer is 0.2 micron～5 microns, and the distance of adjacent two grid nodes is 50 microns～800 microns.
2. polarisation optical filtering module according to claim 1 is characterized in that, the interval width of two adjacent described first conductive units is 0.5 micron～50 microns, and the interval width of two adjacent described second conductive units is 0.5 micron～50 microns.
3. polarisation optical filtering module according to claim 1 is characterized in that, described second conductive layer is arranged at described filter layer away from a side of described transparent substrates, or is arranged between described filter layer and the described transparent substrates.
4. polarisation optical filtering module according to claim 3, it is characterized in that, described second conductive layer is away from a side of described transparent substrates or the described transparent substrates side near described filter layer, by being coated with or plating the conductive material conductive layer that etching forms that exposes again at described filter layer.
5. polarisation optical filtering module according to claim 1, it is characterized in that, described optical filter box comprises the impression glue-line, described impression glue-line is arranged at described filter layer away from a side of described transparent substrates, or be arranged between described filter layer and the described transparent substrates, described impression glue-line offers groove away from a side of described transparent substrates, and described second conductive layer is contained in described groove.
6. polarisation optical filtering module according to claim 5 is characterized in that, the degree of depth of described groove is less than the thickness of described impression glue-line, and the conductive thread thickness of described second conductive layer is not more than the degree of depth of described groove.
7. polarisation optical filtering module according to claim 1 is characterized in that, described first conductive layer is the conductive layer of tin indium oxide material.The conductive thread of described second conductive layer is at least a in metal simple-substance line, metal alloy wire, carbon nano tube line, Graphene line, organic conductive macromolecule line or the indium oxide solder.
8. polarisation optical filtering module according to claim 1 is characterized in that, described transparent substrates is substrate of glass.
9. polarisation optical filtering module according to claim 1 is characterized in that, also comprises substratum transparent, and described transparent substrates is bonding by described substratum transparent and described polaroid assembly away from a side of described filter layer and second conductive layer.
10. a touch display screen is characterized in that, comprises the TFT electrode that stacks gradually, Liquid Crystal Module and as any described polarisation optical filtering module in the claim 1 to 9.
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Application publication date: 20131009 |
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| RJ01 | Rejection of invention patent application after publication |