CN203338298U - Polarizing and filtering module and touch display screen - Google Patents
Polarizing and filtering module and touch display screen Download PDFInfo
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- CN203338298U CN203338298U CN2013204008770U CN201320400877U CN203338298U CN 203338298 U CN203338298 U CN 203338298U CN 2013204008770 U CN2013204008770 U CN 2013204008770U CN 201320400877 U CN201320400877 U CN 201320400877U CN 203338298 U CN203338298 U CN 203338298U
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Abstract
A polarizing and filtering module comprises a polaroid assembly and a light filter assembly. The polaroid assembly comprises a polaroid and a first conducting layer arranged on one side of the polaroid. The light filter assembly comprises a transparent substrate, a filtering layer and a second conducting layer, wherein the filtering layer and the second conducting layer are located on the same side of the transparent substrate. The polarizing and filtering module can achieve touch operation, a polarizing function and a filtering function at the same time; a display screen can have a touch control function directly when the polarizing and filtering module, as an essential module for the display screen, is used in the display screen, a touch screen does not need to be assembled on the display screen, therefore, the thickness of electronic products can be reduced beneficially, and meanwhile, material and assembly cost is greatly saved. The utility model further provides the touch display screen.
Description
Technical field
The utility model relates to display technique field, plane, particularly relates to a kind of polarisation optical filtering module and touch display screen.
Background technology
Touch-screen is the inductive arrangement that can receive the 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 the touch-screen on display screen.Touch-screen as with display screen assembly independently, when for some, realizing the electronic product of man-machine interaction, all need to be ordered according to the size of display screen, assembled again afterwards, to form 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 two kinds of modes, and frame pastes and full laminating.It is by the laminating of the edge of touch-screen and display screen that frame pastes, and full laminating is by whole laminating of the upper surface of the lower surface of touch-screen and display screen.
Traditional display screen mainly comprises polaroid, optical filter box, Liquid Crystal Module and TFT(Thin Film Transistor, thin film transistor (TFT)), there is larger thickness, and while continuing to fit touch-screen on display screen, will further increase the thickness of touch display screen.
The utility model content
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, comprise: the polaroid assembly, comprise polaroid, and be arranged at the first conductive layer of described polaroid one side, described the first conductive layer comprises a plurality of the first conductive units that arrange along the first direction parallel interval, each described first conductive unit is intersected to form mutually by conductive thread, and described conductive thread intersects to form grid node mutually; 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 filter unit, described light shielding part is intersected to form mutually by gridline, and described gridline intersects to form a plurality of grid cells mutually; Described filter unit comprises a plurality of filter units, and each described filter unit is contained in a corresponding described grid cell; Described the second conductive layer comprises a plurality of the 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; Described first direction and second direction are not parallel to each other, and described the first conductive unit and the second conductive unit insulate at thickness direction; The conductive thread live width of described the first conductive layer is 0.2 micron～5 microns, and the distance of adjacent two grid nodes is 50 microns～500 microns; The conductive thread of described the second conductive layer falls within on described gridline in the projection of described filter layer.
Therein in embodiment, described polaroid comprises the polaroid body and is arranged at the impression glue-line of described polaroid body one side, and described impression glue-line offers groove away from a side of described polaroid body, and described the first conductive layer is contained in described groove.
In 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 the first conductive layer is not more than the degree of depth of described groove.
In embodiment, the conductive thread live width of described the second conductive layer is not more than described gridline live width therein.
In embodiment, the interval width of two adjacent described the first conductive units is 0.5 micron～50 microns therein, and the interval width of two adjacent described the second conductive units is 0.5 micron～50 microns.
In embodiment, described the second conductive layer is arranged at the side of described light shielding part away from described transparent substrates therein.
In embodiment, described the second conductive layer is arranged between described light shielding part and described transparent substrates therein.
Therein in embodiment, the conductive thread of described the first conductive layer intersects to form a plurality of the first conductive grids mutually, the conductive thread of described the second conductive layer intersects to form a plurality of the second conductive grids mutually, and the projection of described the second conductive grid on described filter layer accommodates at least one described filter unit.
In embodiment, also comprise substratum transparent therein, described transparent substrates is bonding by described substratum transparent and described polaroid assembly away from a side of described filter layer and the second conductive layer.
A kind of touch display screen, comprise 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 display screen, when above-mentioned polarisation optical filtering module is used for display screen, can directly make display screen there is touch controllable function, without assemble again touch-screen on display screen, not only be conducive to reduce the thickness of electronic product, also greatly saved material and assembly cost simultaneously.
The accompanying drawing explanation
The structural drawing that Fig. 1 is polarisation optical filtering module in an embodiment;
The structural drawing that Fig. 2 is the first conductive layer and the second conductive layer in an embodiment;
The structural drawing that Fig. 3 is polarisation optical filtering module in another embodiment;
The structural drawing that Fig. 4 is polarisation optical filtering module in another embodiment;
The structural drawing that Fig. 5 is polarisation optical filtering module in another embodiment;
The structural drawing that Fig. 6 is polarisation optical filtering module in another embodiment;
The structural drawing that Fig. 7 is polarisation optical filtering module in another embodiment;
The structural drawing that Fig. 8 is polarisation optical filtering module in another embodiment;
The structural drawing that Fig. 9 is polarisation optical filtering module in another embodiment;
The structural drawing that Figure 10 is polarisation optical filtering module and conductive thread in an embodiment;
The local structural graph that Figure 11 is conductive thread in an embodiment;
The local structural graph that Figure 12 is conductive thread in another embodiment;
The local structural graph that Figure 13 is conductive thread in another embodiment;
The local structural graph that Figure 14 is conductive thread in 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.
A kind of polarisation optical filtering module, as depicted in figs. 1 and 2, comprise polaroid assembly 100 and optical filter box 200.
Polaroid assembly 100 comprises polaroid 110 and is arranged at the first conductive layer 120 of polaroid 110 1 sides, the first conductive layer 120 comprises a plurality of the first conductive units 122 that arrange along the first direction parallel interval, each first conductive unit 122 is intersected to form mutually by electric silk thread, and conductive thread intersects to form grid node mutually.The first conductive unit 122 can be processed and obtain by broken string, or directly the groove by the impression predetermined pattern recharges conductive material and obtains.
First direction and second direction are not parallel to each other, and the first conductive unit 122 and the second conductive unit 232 form Inductance and Capacitance in the thickness direction insulation.The interval width of two adjacent the first conductive units 122 can be 0.5 micron to 50 microns, and the interval width of two adjacent the second conductive units 232 also can be 0.5 micron to 50 microns.The conductive thread live width of the first conductive layer 120 is 0.2 micron～5 microns, and adjacent two grid nodes the distance be 50 microns～500 microns, to guarantee the first conductive layer 120 visually-clear.The conductive thread of the second conductive layer 230 falls within on gridline in the projection of filter layer 220, avoids conductive thread to be exposed to filter unit 224 and affects bright dipping and the appearance effect of filter unit 224.
The conductive thread of the first conductive layer 120 and the second conductive layer 230 can be at least one in metal simple-substance line, metal alloy wire, carbon nano tube line, Graphene line, organic conductive macromolecule line or tin indium oxide (ITO) line.In the present embodiment, the conductive thread of the first conductive layer 120 and the second conductive layer 230 is the metal simple-substance line, and for example silver-colored line, can improve electric conductivity.
Therein in embodiment, as shown in Fig. 1, Fig. 3, Fig. 6, Fig. 7 and Fig. 8, polaroid 110 comprises polaroid body 112, also can comprise impression glue-line 114, impression glue-line 114 is arranged at polaroid body 112 1 sides, the first conductive layer 120 can adopt the impression mode to be formed at polaroid 110, specifically can print off the groove with the conductive pattern structural correspondence of the first conductive layer 120 away from a side pressure of polaroid body 112 at impression glue-line 114, to filled conductive material in groove and solidify and make the first conductive layer 120, the first conductive layer 120 is contained in groove again.
Impression glue-line 114 is transparence, does not affect whole transmitance.The material of impression glue-line 114 specifically can be solvent-free ultra-violet curing acrylic resin, can also be On Visible Light Cured Resin or heat reactive resin.The thickness of impression glue-line 114 can be 2 μ m～10 μ m, both can avoid because the impression glue-line 114 excessively thin groove that makes is excessively shallow, and affect the integrality of groove, also can avoid impressing glue-line 114 blocked up and cause polaroid assembly 100 blocked up.The present embodiment further groove degree of depth be less than the impression glue-line 114 thickness, the conductive thread thickness of the first conductive layer 120 is not more than the degree of depth of groove, can avoid the first conductive layer 120 exposed and in subsequent technique by scratch.
In another embodiment, as shown in Fig. 4, Fig. 5 and Fig. 9, polaroid 110 also can only include polaroid body 112, do not comprise impression glue-line 114, the first conductive layer 120 directly is arranged at polaroid body 112 1 sides, the first conductive layer 120 specifically can pass through to be coated with or the plating conductive layer at polaroid body 112, then prepared by etched mode.
The second conductive layer 230 also can or plate conductive layer by painting, then prepared by etched mode.The second conductive layer 230 can be arranged at the side of light shielding part 222 away from transparent substrates 210, as shown in Fig. 1, Fig. 4, Fig. 6, Fig. 8 and Fig. 9.The second conductive layer 230 also can be arranged between light shielding part 222 and transparent substrates 210, as shown in Fig. 3, Fig. 5 and Fig. 7.
The conductive thread live width of the second conductive layer 230 can be set to be less than or equal to the gridline live width of light shielding part 222, avoids conductive thread to be exposed to the gridline side direction and affects bright dipping and the appearance effect of filter unit 224.Particularly, the conductive thread of the second conductive layer 230 can equal the gridline live width of light shielding part 222, as shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 8 and Fig. 9, to reduce the manufacture difficulty of conductive thread.The conductive thread live width of the second conductive layer 230 also can be less than the gridline live width of light shielding part 222, as shown in Figure 6 and Figure 7, is exposed to the risk of gridline side direction further to reduce conductive thread.In other embodiments, the conductive thread live width of the second conductive layer 230 also can be greater than the gridline live width of light shielding part 222, but need to, by conductive thread and the non-parallel setting of gridline, to guarantee conductive thread, in the projection of filter layer 220, fall within on gridline.
In embodiment, polarisation optical filtering module also can comprise substratum transparent (not shown in accompanying drawing) therein, and transparent substrates 210 is bonding by substratum transparent and polaroid assembly 100 away from a side of filter layer 220 and the second conductive layer 230.Particularly, transparent substrates 210 can be the side bonds away from the first conductive layer 120 by substratum transparent and polaroid 110, as shown in Fig. 3 to Fig. 7, can be also that a side bonds of the first conductive layer 120 is set by substratum transparent and polaroid 110, as shown in Figure 8 and Figure 9.Be appreciated that in other embodiments, polarisation optical filtering module also can not comprise substratum transparent, and transparent substrates 210 is connected with polaroid assembly 100 by other means.
Figure 10 shows that the structural drawing of polarisation optical filtering module and conductive thread, the conductive thread of the first conductive layer 120 intersects to form a plurality of the first conductive grids, the first conductive grid can be the regular polygon grid, as square, rhombus, regular hexagon etc., can be also random grid.The conductive thread of the second conductive layer 230 all falls within on the gridline of light shielding part 222 in the projection of filter layer 220, and the conductive thread of the second conductive layer 230 can be straight line, curve, can be also broken line.The concrete shape of the first conductive grid, and the concrete shape of the conductive thread of the second conductive layer 230 can be selected according to design requirements such as transmittance, Moire fringe problems.
The conductive thread of the second conductive layer 230 intersects to form a plurality of the second conductive grids mutually, the projection of the second conductive grid on filter layer 220 accommodates at least one filter unit 225, can decide filter unit 225 quantity of holding according to the design requirements such as resistance requirement to conductive layer.
Figure 11 to Figure 14 is the embodiment that different number filter units 225 are held in the projection of the second conductive grid on filter layer 220, is appreciated that conductive thread a is the conductive thread of the second conductive layer 230.
In embodiment as shown in figure 11, a filter unit 225 is held in the projection of conductive grid on light shielding part 222 that conductive thread a forms, be each grid cell 223 to a conductive grid should be arranged, so the density of conductive grid is larger, electric conductivity is better.
In embodiment as shown in figure 12, only for example, at first axial (transverse axis) upper, a plurality of filter units 225 are held in the projection of conductive grid on light shielding part 222 that conductive thread a forms.
In embodiment as shown in figure 13, only for example, at second axial (longitudinal axis) upper, a plurality of filter units 225 are held in the projection of conductive grid on light shielding part 222 that conductive thread a forms.
In embodiment as shown in figure 14, upper at first axial (transverse axis) and second axial (longitudinal axis), a plurality of filter units 225 are all held in the projection of conductive grid on light shielding part 222 that conductive thread a forms.
Below wherein several embodiment of polarisation optical filtering module making method is elaborated.
The polarisation optical filtering module with touch control operation function as shown in Fig. 1, Fig. 6 and Fig. 8, when the first conductive layer 120 adopts the impression mode to prepare, the second conductive layer 230 is arranged at the side of light shielding part 222 away from transparent substrates 210, and its manufacturing process is as follows:
(1) surface-coated at polaroid body 112 impresses glue-line 114, can adopt PMMA(polymethylmethacrylate in the present embodiment, polymethylmethacrylate) UV cured resin, and the impression block of using the conductive pattern with the first conductive layer 120 to be nested impressed and solidify on impression glue-line 114 surfaces, obtain for accommodating the groove of the first conductive layer 120.
(2) to filled conductive material in groove and solidify, (conductive material can be metal simple-substance, metal alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO to obtain the first conductive unit of space, be preferably metal, as nanometer silver paste), just obtain the polaroid assembly 100 with the first conductive layer 120.
(3) at first carry out the Plasma(plasma process on a surface of transparent substrates 210) process, remove the dirty of transparent substrates 210 surfaces, and make surface ion, increase follow-up and cohesive force other material.
(4) photoresist with black dyes in the painting/plating of whole of the above-mentioned treated surface of transparent substrates 210.
(5) adopt exposure-developing technique, the photoresist of filter unit 224 is removed, form light shielding part 222.
(6) whole plating conductive material or be coated with one deck conductive ink (conductive material or conductive ink can be metal simple-substance, metal alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO, and the present embodiment is argent) again, obtain conductive layer.
(7) coating one deck photoresist, through overexposure-developing technique, only retain the photoresist of the conductive pattern portions that covers the second conductive layer 230, and the photoresist in all the other places (comprising needs broken string zone) is removed.
(8) utilize lithographic technique to carry out etching to above-mentioned conductive layer, obtain the second conductive unit of space.
(9) plate/coat R/G/B light unit in the corresponding region gradation again, thereby obtain the optical filter box 200 with the second conductive layer 230.
(10) will be bondd by transparent adhesive and be solidified with the polaroid assembly 100 of the first conductive layer 120 with the optical filter box 200 of the second conductive layer 230, be obtained having the polarisation optical filtering module of touch control operation function.
The polarisation optical filtering module that there is as shown in Figure 3 and Figure 7 the touch control operation function, when the first conductive layer 120 adopt that prepared by the impression modes, the second conductive layer is covered in light shielding part 222 and transparent substrates 210 between, its manufacturing process is as follows:
(1) surface-coated impression glue-line 114(the present embodiment at polaroid body 112 adopts the PMMAUV cured resin), and the impression block of using the conductive pattern with the first conductive layer 120 to be nested impressed and solidify on impression glue-line 114 surfaces, obtain for accommodating the groove of the first conductive layer 120.
(2) to filled conductive material in groove and solidify, (conductive material can be metal simple-substance, metal alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO to obtain the first conductive unit of space, be preferably metal, as nanometer silver paste), just obtain the polaroid assembly 100 with the first conductive layer 120.
(3) at first carry out the Plasma processing on a surface of transparent substrates 210, remove the dirty of transparent substrates 210 surfaces, and make surface ion, increase follow-up and cohesive force other material.
(4) 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 210, the present embodiment is the Nano Silver ink), obtain conductive layer.
(5) coating one deck photoresist, through overexposure-developing technique, only retain the photoresist of the conductive pattern portions that covers the second conductive layer 230, and the photoresist in all the other places (comprising needs broken string zone) is removed.
(6) utilize lithographic technique to carry out etching to above-mentioned conductive layer, obtain the second conductive unit of space.
(7) photoresist with black dyes in whole painting/plating of above-mentioned conductive layer surface.
(8) adopt exposure-developing technique, the photoresist of filter unit 224 is removed, form light shielding part 222.
(9) plate/coat R/G/B light unit in the corresponding region gradation again, thereby obtain the optical filter box 200 with the second conductive layer 230.
(10) will be bondd by transparent adhesive and be solidified with the polaroid assembly 100 of the first conductive layer 120 with the optical filter box 200 of the second conductive layer 230, be obtained having the polarisation optical filtering module of touch control operation function.
The polarisation optical filtering module that there is the touch control operation function as shown in Fig. 4 and Fig. 9, when the first conductive layer 120, the second conductive layer 230 all by being coated with/plating a conductive layer, through etching, prepare again, and the second conductive layer 230 is covered in the surface of light shielding part 222 away from transparent substrates 210 1 sides, and its manufacturing process is as follows:
(1) 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 a surface of polaroid body 112, the present embodiment is the Nano Silver ink), obtain conductive layer.
(2) coating one deck photoresist, through overexposure-developing technique, only retain the photoresist of the conductive pattern portions that covers the first conductive layer 120, and the photoresist in all the other places (comprising needs broken string zone) is removed.
(3) utilize lithographic technique to carry out etching to above-mentioned conductive layer, obtain the first conductive unit of space, thereby obtain the polaroid assembly 100 with the first conductive layer 120.
(4) at first carry out the Plasma processing on a surface of transparent substrates 210, remove the dirty of transparent substrates 210 surfaces, and make surface ion, increase follow-up and cohesive force other material.
(5) photoresist with black dyes in the painting/plating of whole of the above-mentioned treated surface of transparent substrates 210.
(6) adopt exposure-developing technique, the photoresist of filter unit 224 is removed, form light shielding part 222.
(7) whole plating conductive material or be coated with one deck conductive ink (conductive material or conductive ink can be metal simple-substance, metal alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO, and the present embodiment is argent) again, obtain conductive layer.
(8) coating one deck photoresist, through overexposure-developing technique, only retain the photoresist of the conductive pattern portions that covers the second conductive layer 230, and the photoresist in all the other places (comprising needs broken string zone) is removed.
(9) utilize lithographic technique to carry out etching to above-mentioned conductive layer, obtain the second conductive unit of space.
(10) plate/coat R/G/B light unit in the corresponding region gradation again, thereby obtain the optical filter box 200 with the second conductive layer 230.
(11) will be bondd by transparent adhesive and be solidified with the polaroid assembly 100 of the first conductive layer 120 with the optical filter box 200 of the second conductive layer 230, be obtained having the polarisation optical filtering module of touch control operation function.
The polarisation optical filtering module that there is as shown in Figure 5 the touch control operation function, when the first conductive layer 120, the second conductive layer 230 all by being coated with/plating a conductive layer, again through etching preparation, and the second conductive layer 230 is covered between light shielding part 222 and transparent substrates 210, and its manufacturing process is as follows:
(1) 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 a surface of polaroid body 112; The present embodiment is the Nano Silver ink), obtain conductive layer.
(2) coating one deck photoresist, through overexposure-developing technique, only retain the photoresist of the conductive pattern portions that covers the first conductive layer 120, and the photoresist in all the other places (comprising needs broken string zone) is removed.
(3) utilize lithographic technique to carry out etching to above-mentioned conductive layer, obtain the first conductive unit of space, thereby obtain the polaroid assembly 100 with the first conductive layer 120.
(4) at first carry out the Plasma processing on a surface of transparent substrates 210, remove the dirty of transparent substrates 210 surfaces, and make surface ion, increase follow-up and cohesive force other material.
(5) whole 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, the present embodiment is the Nano Silver ink), obtain conductive layer.
(6) coating one deck photoresist, through overexposure-developing technique, only retain the photoresist of the conductive pattern portions that covers the second conductive layer 230, and the photoresist in all the other places (comprising needs broken string zone) is removed.
(7) utilize lithographic technique to carry out etching to above-mentioned conductive layer, obtain the second conductive unit of space.
(8) photoresist with black dyes in whole painting/plating of above-mentioned conductive layer surface.
(9) adopt exposure-developing technique, the photoresist of filter unit 224 is removed, form light shielding part 222.
(10) plate/coat R/G/B light unit in the corresponding region gradation again, thereby obtain the optical filter box 200 with the second conductive layer 230.
(11) will be bondd by transparent adhesive and be solidified with the polaroid assembly 100 of the first conductive layer 120 with the optical filter box 200 of the second conductive layer 230, be obtained 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 display screen, when above-mentioned polarisation optical filtering module is used for display screen, can directly make display screen there is touch controllable function, without assemble again touch-screen on display screen, not only be conducive to reduce the thickness of electronic product, also greatly saved material and assembly cost simultaneously.The material that the first conductive layer 120 and the second conductive layer 230 are selected only expands all suitable conductive materials to transparent material by tradition; When conductive material is selected metal material, the energy consumption that can greatly reduce resistance and reduce touch-screen.
The above-mentioned polarisation optical filtering module with touch controllable function is double-deck conductive structure, without the design of putting up a bridge, greatly reduces task difficulty.Adopt above-mentioned polarisation optical filtering module, can reduce the signal interference of liquid crystal display (Liquid Crystal Display, LCD) to the touch-control effect.
In addition, the utility model 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 stacked gradually.Because polarisation optical filtering module has touch operation, polarized light function and filtering functions simultaneously, make touch display screen there is the touch Presentation Function.Not only be conducive to reduce the thickness of electronic product, also greatly saved material and assembly cost simultaneously.Be appreciated that for to use backlight be polarized light source, as OLED(Organic Light-Emitting Diode, Organic Light Emitting Diode) polarized light source, without lower polaroid, only need the polarisation module in above-mentioned polarisation optical filtering module to get final product.
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 (10)
1. a polarisation optical filtering module, is characterized in that, comprising:
The polaroid assembly, comprise polaroid, and be arranged at the first conductive layer of described polaroid one side, described the first conductive layer comprises a plurality of the first conductive units that arrange along the first direction parallel interval, each described first conductive unit is intersected to form mutually by conductive thread, and described conductive thread intersects to form grid node mutually;
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 filter unit, described light shielding part is intersected to form mutually by gridline, and described gridline intersects to form a plurality of grid cells mutually; Described filter unit comprises a plurality of filter units, and each described filter unit is contained in a corresponding described grid cell; Described the second conductive layer comprises a plurality of the 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;
Described first direction and second direction are not parallel to each other, and described the first conductive unit and the second conductive unit insulate at thickness direction; The conductive thread live width of described the first conductive layer is 0.2 micron～5 microns, and the distance of adjacent two grid nodes is 50 microns～500 microns; The conductive thread of described the second conductive layer falls within on described gridline in the projection of described filter layer.
2. polarisation optical filtering module according to claim 1, it is characterized in that, described polaroid comprises the polaroid body and is arranged at the impression glue-line of described polaroid body one side, described impression glue-line offers groove away from a side of described polaroid body, and described the first conductive layer is contained in described groove.
3. polarisation optical filtering module according to claim 2, 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 the first conductive layer is not more than the degree of depth of described groove.
4. polarisation optical filtering module according to claim 1, is characterized in that, the conductive thread live width of described the second conductive layer is not more than described gridline live width.
5. polarisation optical filtering module according to claim 1, is characterized in that, the interval width of two adjacent described the first conductive units is 0.5 micron～50 microns, and the interval width of two adjacent described the second conductive units is 0.5 micron～50 microns.
6. polarisation optical filtering module according to claim 1, is characterized in that, described the second conductive layer is arranged at the side of described light shielding part away from described transparent substrates.
7. polarisation optical filtering module according to claim 1, is characterized in that, described the second conductive layer is arranged between described light shielding part and described transparent substrates.
8. polarisation optical filtering module according to claim 1, it is characterized in that, the conductive thread of described the first conductive layer intersects to form a plurality of the first conductive grids mutually, the conductive thread of described the second conductive layer intersects to form a plurality of the second conductive grids mutually, and the projection of described the second conductive grid on described filter layer accommodates at least one described filter unit.
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 the second conductive layer.
10. a touch display screen, is characterized in that, comprises the TFT electrode that stacks gradually, Liquid Crystal Module and polarisation optical filtering module as in one of claimed in any of claims 1 to 9.
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| CN2013204008770U CN203338298U (en) | 2013-07-05 | 2013-07-05 | Polarizing and filtering module and touch display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103365472A (en) * | 2013-07-05 | 2013-10-23 | 南昌欧菲光显示技术有限公司 | Polarized light and light filtering module and touch display screen |
| CN103365474A (en) * | 2013-07-05 | 2013-10-23 | 南昌欧菲光显示技术有限公司 | Polarized light and lighting filtering module and touch display screen |
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2013
- 2013-07-05 CN CN2013204008770U patent/CN203338298U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103365472A (en) * | 2013-07-05 | 2013-10-23 | 南昌欧菲光显示技术有限公司 | Polarized light and light filtering module and touch display screen |
| CN103365474A (en) * | 2013-07-05 | 2013-10-23 | 南昌欧菲光显示技术有限公司 | Polarized light and lighting filtering module and touch display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170710 Address after: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone 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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20190705 |