CN203338314U - Optical filter assembly and touch displaying screen with optical filter assembly - Google Patents
Optical filter assembly and touch displaying screen with optical filter assembly Download PDFInfo
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- CN203338314U CN203338314U CN2013204010963U CN201320401096U CN203338314U CN 203338314 U CN203338314 U CN 203338314U CN 2013204010963 U CN2013204010963 U CN 2013204010963U CN 201320401096 U CN201320401096 U CN 201320401096U CN 203338314 U CN203338314 U CN 203338314U
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Abstract
The utility model relates to an optical filter assembly which comprises a substrate, a light filtering layer, a first conducting layer and a second conducting layer. The first conducting layer and the second conducting layer are located on the two opposite sides of the substrate respectively. The first conducting layer and the second conducting layer include conducting grids which are formed by crossing conducting wires. The width of the conducting wires range from 0.2 micron to 5 microns. The distance between two adjacent grid nodes ranges from 50 microns to 800 microns. The light filtering layer can achieve the function of filtering light. The first conducting layer and the second conducting layer form a sensing structure so that the optical filter assembly can achieve touch operation and has the function of filtering light. When the optical filter assembly is used on a touch displaying device, an additional touch screen is not needed. Reduction of the thickness of an electronic product is facilitated, and materials and assembling cost are saved. The utility model provides a touch displaying screen.
Description
Technical field
The utility model relates to display technique field, plane, particularly relates to a kind of optical filter box and uses the touch display screen of this optical filter box.
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.Yet, 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 afterwards, to form touch display screen, but touch display screen can have touch control operation and Presentation Function simultaneously again.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.
Display screen mainly comprises polaroid, optical filter box, Liquid Crystal Module and thin film transistor (TFT) (TFT, Thin Film Transistor), while by polaroid, optical filter box, Liquid Crystal Module and thin film transistor (TFT), being combined into display screen, there is larger thickness, and while continuing to fit touch-screen on display screen, will further increase its thickness, moreover, many one attaching process, just mean and increased the bad probability of product, greatly increases the production cost of product.
The utility model content
Based on this, be necessary to reach more greatly for thickness the problem that cost is higher, a kind of touch display screen that is conducive to reduce the optical filter box of electronic product thickness and production cost and uses this optical filter box is provided.
A kind of optical filter box comprises:
Substrate, comprise first surface and the second surface be oppositely arranged with described first surface;
Filter layer, be arranged at described first surface, comprise light shielding part and a plurality of filter unit, described light shielding part is lattice-shaped, comprise cross one another gridline, the space of being cut apart by described gridline forms some grid cells, and each filter unit is contained in a corresponding grid cell, and described a plurality of filter units form filter unit;
The first conductive layer, be arranged at the side of described filter layer away from described first surface, comprise a plurality of the first spaced conductive patterns, described the first conductive pattern comprises conductive grid, described conductive grid is intersected to form by conductive thread, and conductive thread intersects to form grid node;
The second conductive layer, be located at a side of described second surface, comprises a plurality of the second spaced conductive patterns, and described the second conductive pattern comprises conductive grid, and described conductive grid is intersected to form by conductive thread, and conductive thread intersects to form grid node;
Wherein, the live width of the conductive thread of described the first conductive layer and the second conductive layer is 0.2 μ m～5 μ m, and the distance of adjacent two described grid nodes is 50 μ m～800 μ m.
In embodiment, in described the first conductive layer and the second conductive layer, at least one conductive grid is random grid therein.
In embodiment, in described the first conductive layer, the interval width of adjacent two the first conductive patterns is 0.5 μ m～50 μ m therein, and in described the second conductive layer, the interval width of adjacent two the second conductive patterns is 0.5 μ m～50 μ m.
In embodiment, in described the first conductive layer and described the second conductive layer, at least one conductive thread all falls within on described gridline in the projection of described filter layer therein.
Therein in embodiment, further comprise the first impression glue-line, described the first impression glue-line is arranged at the side of described filter layer away from described first surface, described the first impression glue-line offers the first groove away from a side of described first surface, and the conductive thread of described the first conductive pattern is contained in described the first groove.
Therein in embodiment, further the second impression glue-line, described the second impression glue-line is arranged at the second surface of described substrate, described the second impression glue-line offers the second groove away from a side of described second surface, and the conductive thread of described the second conductive pattern is contained in described the second groove.
In embodiment, the thickness of described filter unit is not less than the thickness of described light shielding part therein.
In embodiment, each described conductive grid projection on described filter layer of described the first conductive layer and described the second conductive layer is surrounded by least one filter unit therein.
In embodiment, the filter unit number of the filter unit number that the projection of the described conductive grid of each of described the first conductive layer on described filter layer surrounded projection encirclement on described filter layer with each described conductive grid of described the second conductive layer is not identical therein.
A kind of touch display screen, comprise the TFT electrode, Liquid Crystal Module, optical filter box and the polaroid that stack gradually, and described optical filter box is above-described optical filter box.
Above-mentioned optical filter box and use the touch display screen of this optical filter box, optical filter box can be realized touch control operation and filtering functions simultaneously, combination as indispensable two assemblies in display screen, during for display screen, can directly make display screen there is touch controllable function, without assemble again a touch-screen on display screen, not only be conducive to reduce the thickness of electronic product, also greatly saved material and assembly cost simultaneously.
The accompanying drawing explanation
The structural representation of the touch display screen that Fig. 1 is an embodiment;
The structural representation of the optical filter box that Fig. 2 is an embodiment;
The structural representation of the optical filter box that Fig. 3 is another embodiment;
The structural representation of the optical filter box that Fig. 4 is another embodiment;
Fig. 5 is again the structural representation of the optical filter box of an embodiment;
The structural representation at another visual angle that Fig. 6 is the optical filter box shown in Fig. 5;
The interval schematic diagram of a plurality of conductive patterns that Fig. 7 is the conductive layer that in optical filter box, conductive thread all falls within gridline in the projection of filter layer;
The interval schematic diagram of a plurality of conductive patterns that Fig. 8 is the conductive layer that in optical filter box, conductive thread does not all fall within gridline in the projection of filter layer;
The conductive thread that Fig. 9 is conductive layer shown in Fig. 7 projects to the structural representation of an embodiment of filter layer;
The conductive thread that Figure 10 is conductive layer shown in Fig. 8 projects to the structural representation of an embodiment of filter layer;
The conductive thread that Figure 11 is conductive layer shown in Fig. 7 projects to the structural representation of another embodiment of filter layer;
The conductive thread that Figure 12 is conductive layer shown in Fig. 7 projects to the structural representation of the another embodiment of filter layer;
The conductive thread that Figure 13 is conductive layer shown in Fig. 7 projects to the structural representation of an embodiment again of filter layer;
The conductive thread that Figure 14 is conductive layer shown in Fig. 8 projects to the structural representation of the another embodiment of filter layer;
The conductive thread that Figure 15 is conductive layer shown in Fig. 8 projects to the structural representation of the another embodiment of filter layer;
The conductive thread that Figure 16 is conductive layer shown in Fig. 8 projects to the structural representation of an embodiment again of filter layer.
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.
Referring to Fig. 1, is the touch display screen 100 of an embodiment, comprises the lower polaroid 10, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50, optical filter box 200 and the upper polaroid 60 that stack gradually.In other embodiment, without diaphragm 50 being set and public electrode 40 also can.
TFT electrode 20 comprises glass-base 24 and is arranged on the show electrode 22 on glass-base 24.Liquid Crystal Module comprises liquid crystal 32 and is held on the alignment film 34 of liquid crystal 32 both sides.
Be appreciated that when using backlight as polarized light source, as the OLED polarized light source, without lower polaroid 10, only need upper polaroid 60 to get final product.Structure and the function of the lower polaroid 10 of the present embodiment, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50, upper polaroid 60 can be identical with existing product, do not repeat them here.
But but optical filter box 200 has touch control operation and filtering functions, makes touch display screen 100 have the touch Presentation Function simultaneously.Touch display screen can be the LCDs of straight-down negative or side entering type light source.
Refer to Fig. 2 to Fig. 5, expression be 200 4 different embodiment of optical filter box.Optical filter box 200 in above-mentioned four embodiment includes substrate 210, filter layer 220, the first impression glue-line 230, the first conductive layer 240, the second impression glue-line 250 and the second conductive layer 260.Wherein substrate 210 comprises first surface 212 and second surface 214, and first surface 212 and second surface 214 are oppositely arranged.The material that substrate 210 is transparent insulation, as glass, can be sillico aluminate glass and calcium soda-lime glass particularly, through the plasma treatment rear surface, has good cohesive force.General, the thickness range of substrate 210 can be 0.1mm～0.5mm.
Filter layer is arranged at first surface 212, comprises light shielding part 222 and a plurality of filter unit.Light shielding part 222 is lattice-shaped, comprises some cross one another gridlines.The space of being cut apart by gridline forms some grid cells, and each filter unit is contained in a corresponding grid cell, and a plurality of filter units form filter unit 224.General, the thickness range of light shielding part 222 and filter unit 224 is 0.5 μ m～2 μ m.
The first impression glue-line 230 is arranged at the side of filter layer 220 away from first surface 212, and the first impression glue-line 230 offers the first groove 232 away from a side of first surface 212.The groove that the first groove 232 is mesh shape, mesh shape can be preset to required figure as required.The first conductive layer 240 is embedded at the first impression glue-line 230, comprises a plurality of the first conductive patterns 242, and 242 of a plurality of the first conductive patterns are provided with interval, so that a plurality of the first conductive pattern 242 insulation.The first conductive pattern 242 comprises some conductive grids, and conductive grid is intersected to form by conductive thread 270, and conductive thread 270 intersects to form grid node, and described conductive thread 270 is contained in described the first groove 232.In other embodiments, the first impression glue-line 230 can also be set, by the direct side coating conductive material away from first surface 212 at described filter layer 220, as the Nano Silver ink or the plating conducting film form the first conductive layer 240 by etching again, so first the impression glue-line 230 be not necessary.
Wherein, the live width of the conductive thread 270 of the first conductive layer 240 and the second conductive layer 260 is 0.2 μ m～5 μ m, the distance of adjacent two grid nodes is 50 μ m～800 μ m, so that the first conductive layer 240 and the second conductive layer 260 reach visually-clear, naked eyes are invisible.As shown in Figure 2, expression be that the conductive thread 270 of the first conductive layer 240 and the second conductive layer 260 is random grid, to reduce the manufacture difficulty of conductive thread 270.As shown in Figure 3, expression be that the conductive thread 270 of the first conductive layer 240 all falls within on gridline in the projection of filter layer 220, the conductive thread 270 of the second conductive layer 260 is random grid.In other embodiment, conductive thread 270 that can also the first conductive layer 240 is random grid, and the conductive thread 270 of the second conductive layer 260 all falls within on gridline in the projection of filter layer 220, is conducive to the optimization of cost of manufacture.As shown in Figure 4 and Figure 5, expression be that the conductive thread 270 of the first conductive layer 240 and the second conductive layer 260 all falls within on gridline in the projection of filter layer 220, be exposed to the risk of gridline side direction to reduce conductive thread 270.
Above-mentioned optical filter box 200, the first conductive layers 240 and the spaced formation capacitive sensing of the second conductive layer 260 structure, make optical filter box 200 can realize touch control operation and filtering functions simultaneously, and, without the design of putting up a bridge, reduced task difficulty.When above-mentioned optical filter box 200 is applied to display screen, can directly make display screen there is touch controllable function, without assemble again a touch-screen on display screen, not only be conducive to reduce the thickness of electronic product, also greatly save material and assembly cost.The first conductive pattern 242 and the second conductive pattern 262 are positioned at the outside of substrate 210 and filter layer 220 simultaneously, the first conductive pattern 242 and the second conductive pattern 262 are all exposed, be convenient to the making of subsequent electrode lead-in wire and the binding (bonding) of flexible PCB and contact conductor.When the live width of the conductive thread 270 of the first conductive layer 240 and the second conductive layer 260 is 0.2 μ m～5 μ m, when the distance of adjacent two grid nodes is 50 μ m～800 μ m, can reach the effect of visually-clear.Thereby, no matter conductive thread 270 falls within or do not fall within on gridline in the projection of filter layer 220, can reach visually-clear.
Refer to Fig. 5 and Fig. 6, in the present embodiment, filter unit 224 comprises chromatic photoresist, is formed with a chromatic photoresist in each grid cell, and chromatic photoresist forms filter unit.Chromatic photoresist is the photoresist formation with coloured dye, can adopt exposure-developing manufacture process.Chromatic photoresist is generally red (red, R) photoresistance, green (green, G) photoresistance or indigo plant (blue, B) photoresistance, for making incident light, is transformed into monochromatic light, realizes filtering functions.Light shielding part is for the photoresist of black dyes, being formed at the first impression glue-line 230, and light shielding part 222 is lattice-shaped, has opaqueness, can adopt exposure-developing manufacture process.In lattice-shaped, grid cell is square, makes the photoresistance of filter unit 224 arrange compacter and even.Light shielding part 222 can effectively be avoided chromatic photoresist colour contamination each other, and can increase the contrast of R, G, B light.
In the present embodiment, the material of the first impression glue-line 230 and the second impression glue-line 250 is solvent-free ultra-violet curing acrylic resin, and thickness is 2 μ m～10 μ m.The first impression glue-line 230 and the second impression glue-line 250 are transparence, do not affect whole transmitance.In other embodiments, the material of the first impression glue-line 230 and the second impression glue-line 250 can also be On Visible Light Cured Resin or heat reactive resin.
The above-mentioned optical filter box with touch controllable function, the first conductive pattern 242 and the second conductive pattern 262 are the impression mode and form, and can make by following two kinds of modes particularly, and method one is:
(1) at first first surface 212 and the second surface 214 at substrate 210 carry out plasma (Plasma) processing.Dirty with the first surface 212 of removing substrate 210 and second surface 214, and make first surface 212 and second surface 214 ionizations, increase cohesive force follow-up and filter layer 220 and the second impression glue-line 250.
(2) whole of the first surface 212 at substrate 210 arranges the photoresist of one deck with black dyes.
(3) adopt exposure-developing technique, the photoresist in filter unit zone is removed, form the light shielding part 222 of lattice-shaped.The space of being cut apart by gridline forms some grid cells.
(4) in the grid cell gradation, the R/G/B chromatic photoresist is set, forms filter unit 224.
(5) be coated with impression glue at filter layer 220 away from a side of first surface 212 and second surface 214 simultaneously, form respectively the first impression glue-line 230 and the second impression glue-line 250.The present embodiment adopts solvent-free ultra-violet curing acrylic resin.And impressed and solidify at the first impression glue-line 230 and the second impression glue-line 250 surfaces respectively with nested with the first conductive pattern 242 and the second conductive pattern 262 respectively impression block, obtain required the first groove 232 and the second grooves 252 that mate with the first conductive pattern 242 and the second conductive pattern 262.Wherein, impression block is transparent material, can avoid the mutual shading in two sides, can't ultraviolet ray (UV) solidify.
(6), to the first groove 232 mated respectively with the first conductive pattern 242 and the second conductive pattern 262 and the second filled conductive material of interior while of groove 252 and solidify, obtain the first conductive layer 240 and the second conductive layer 260.The live width of the conductive thread 270 of the first conductive layer 240 and the second conductive layer 260 is 0.2 μ m～5 μ m, and the distance of adjacent two grid nodes is 50 μ m～800 μ m.Conductive material comprises at least one in metal, carbon nano-tube, Graphene, organic conductive macromolecule and ITO, forms the conductive grid consisted of conductive thread 270 intersections.Be preferably metal, as nanometer silver paste.When selecting metal, the energy consumption that can reduce resistance and reduce touch display screen.
In said method, the first impression glue-line 230 and the second impression glue-line 250 are coated with simultaneously, are conducive to simple flow, raise the efficiency.
Method two is:
(1) at first first surface 212 and the second surface 214 at substrate 210 carry out plasma (Plasma) processing.Dirty with the first surface 212 of removing substrate 210 and second surface 214, and make first surface 212 and second surface 214 ionizations, increase cohesive force follow-up and filter layer 220 and the second impression glue-line 250.
(2) whole of the first surface 212 at substrate 210 arranges the photoresist of one deck with black dyes.
(3) adopt exposure-developing technique, the photoresist in filter unit zone is removed, form the light shielding part 222 of lattice-shaped.The space of being cut apart by gridline forms some grid cells.
(4) in the grid cell gradation, the R/G/B chromatic photoresist is set, forms filter unit 224.
(5) whole the coating impression glue on filter layer 220 surface, form the first impression glue-line 230.The present embodiment adopts solvent-free ultra-violet curing acrylic resin.And use the impression formboard be nested with the first conductive pattern 242 impressed and solidify on the first impression glue-line 230 surfaces, obtain the first groove 232 mated with the first conductive pattern 242.
(6) to the interior filled conductive material of the first groove 232 curing, obtain the first conductive layer 240.The live width of the conductive thread 270 of the first conductive layer 240 is 0.2 μ m～5 μ m, and the distance of adjacent two described grid nodes is 50 μ m～800 μ m.Conductive material can be at least one in metal, carbon nano-tube, Graphene, organic conductive macromolecule or ITO, forms the conductive grid consisted of conductive thread 270.Be preferably metal, as nanometer silver paste.When selecting metal, the energy consumption that can reduce resistance and reduce touch display screen.
(7) in the first whole of conductive layer 240 1 sides, layer protecting film 50 is set, to avoid affecting the effect of filter layer 220 when making the second conductive pattern 262.Can be the transparent protective film 50 that is coated with/plates, final products retain; Can be also diaphragm 50 for one deck intermediate process, finally remove.
(8) second surface 214 coatings second at substrate 210 impress glue-lines 250.The present embodiment adopts solvent-free ultra-violet curing acrylic resin.And use the impression block be nested with the second conductive pattern 262 impressed and solidify on the second impression glue-line 250 surfaces, obtain the second groove 252 mated with the second conductive pattern 262.
(9) to the interior filled conductive material of the second groove 252 curing, obtain the second conductive layer 260, and guarantee that the live width of the conductive thread 270 of the second conductive layer 260 is 0.2 μ m～5 μ m, the distance of adjacent two described grid nodes is 50 μ m～800 μ m.Conductive material can be metal, carbon nano-tube, Graphene, organic conductive macromolecule or ITO, forms the conductive grid consisted of conductive thread 270.Be preferably metal, as nanometer silver paste.When selecting metal, the energy consumption that can reduce resistance and reduce touch display screen.If what use in above-mentioned the 7th step is diaphragm 50 for intermediate process, after the 9th step, also need it is removed.
As shown in Figure 2 and Figure 8, when the conductive grid of the first conductive layer 240 and the second conductive layer 260 is random grid, in described the first conductive layer 240, the interval width of adjacent two the first conductive patterns 242 is 0.5 μ m～50 μ m, and in described the second conductive layer 260, the interval width of adjacent two the second conductive patterns 262 is 0.5 μ m～50 μ m.Now can be by conductive thread 270 marginal portion disappearances be cut off.
As shown in Fig. 5 and Fig. 7, when the conductive thread 270 of the first conductive layer 240 and the second conductive layer 260 when the projection of filter layer 220 all falls within on gridline, the width that in the first conductive layer 240, the interval width of adjacent two the first conductive patterns 242 is a filter unit, the width that in the second conductive layer 260, the interval width of adjacent two the second conductive patterns 262 is a filter unit.Now can, by full line or permutation conductive thread 270 disappearances, be cut off.The width of one filter unit is between 0.5 μ m～50 μ m.
As shown in Fig. 3, Fig. 7 and Fig. 8, when the conductive thread of the first conductive layer 240 does not all fall within on grid in the projection of filter layer, when the conductive thread 270 of the second conductive layer 260 all falls within on gridline in the projection of filter layer 220, in the first conductive layer 240, the interval width of adjacent two the first conductive patterns 242 is 0.5 μ m～50 μ m, the width that the interval width of adjacent two second conductive patterns 262 of the second conductive layer 260 is a filter unit.Certainly, in other embodiment, conductive thread 270 that can also the first conductive layer 240 all falls within on gridline in the projection of filter layer 220, the second conductive layer 260 conductive thread in the projection of filter layer, all do not fall within on grid, the width that now interval width of adjacent two first conductive patterns 242 of the first conductive layer 240 is a filter unit, in the second conductive layer 260, the interval width of adjacent two the second conductive patterns 262 is 0.5 μ m～50 μ m.
In the present embodiment, the thickness of filter unit 224 is not less than the thickness of light shielding part 222.Refer to Fig. 5 and Fig. 6, expression be the thickness that the thickness of filter unit is greater than gridline.When the thickness of filter unit 224 is greater than the thickness of light shielding part 222, the light appeared from filter unit 224, not only can see from front, also can see from the side, thereby can increase the light emission rate of filter unit 224.Certainly, as shown in Figure 4, the thickness of filter unit 224 also can equal the thickness of gridline.
Refer to Fig. 6, in the present embodiment, conductive thread 270 is straight line, curve or broken line.When conductive thread 270 can be for difformity, reduced production requirement.
As shown in Figure 9 and Figure 10, Figure 10 means be when conductive thread when the projection of filter layer does not all fall within gridline, the projection of each described conductive grid on described filter layer 220 of the first conductive layer 240 and/or the second conductive layer 260 is surrounded by the filter unit of.Fig. 9 means be when conductive thread 270 when the projection of filter layer 220 all falls within on gridline, the projection of each described conductive grid on described filter layer 220 of the first conductive layer 240 and/or described the second conductive layer 260 is surrounded by the filter unit of.Because each grid cell is to there being a conductive grid, so the density of conductive grid is larger, electric conductivity is better.
As shown in Figure 11 to Figure 13, mean be when conductive thread 270 when the projection of filter layer 220 all falls within on gridline, the projection of each described conductive grid on described filter layer 220 of the first conductive layer 240 and/or described the second conductive layer 260 is surrounded by the filter unit of at least two, can require and the requirement of the coating weight of conductive material decides the filter unit quantity of encirclement according to the resistance to conductive layer.Now can be divided into three kinds of situations, take is laterally X-axis, and the direction of vertical transverse is Y-axis.As shown in figure 11, only, on X-direction, at least two filter units are surrounded in the projection of each conductive grid of the first conductive layer 240 and the second conductive layer 260 on filter layer 220.As shown in figure 12, only, on Y direction, at least two filter units are surrounded in the projection of each conductive grid of the first conductive layer 240 and the second conductive layer 260 on filter layer 220.As shown in figure 13, on X-axis and Y direction, at least two filter units are surrounded in the projection of each conductive grid of the first conductive layer 240 and the second conductive layer 260 on filter layer 220 simultaneously.
As shown in Figure 14 to Figure 16, mean be when conductive thread when the projection of filter layer does not all fall within gridline, the projection of each described conductive grid on described filter layer 220 of the first conductive layer 240 and/or described the second conductive layer 260 is surrounded by the filter unit of at least two.Now also can be divided into three kinds of situations, take is laterally X-axis, and the direction of vertical transverse is Y-axis.As shown in figure 14, only, on X-direction, at least two integer filter units are surrounded in the projection of each conductive grid of the first conductive layer 240 and the second conductive layer 260 on filter layer 220.As shown in figure 15, only, on Y direction, at least two integer filter units are surrounded in the projection of each conductive grid of the first conductive layer 240 and the second conductive layer 260 on filter layer 220.As shown in figure 16, on X-axis and Y direction, at least two integer filter units are surrounded in the projection of each conductive grid of the first conductive layer 240 and the second conductive layer 260 on filter layer 220 simultaneously.
In the present embodiment, the filter unit number that the filter unit number that the projection of each conductive grid of the first conductive layer 240 on filter layer 220 surrounded surrounds with the projection of each conductive grid on filter layer of the second conductive layer 260 can be not identical.Can effectively reduce manufacture difficulty.Certainly, in other embodiment, the filter unit number that the filter unit number that the projection of each conductive grid of the first conductive layer 240 on filter layer 220 surrounded surrounds with the projection of each conductive grid on filter layer of the second conductive layer 260 can also be identical.
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. an optical filter box, is characterized in that, comprising:
Substrate, comprise first surface and the second surface be oppositely arranged with described first surface;
Filter layer, be arranged at described first surface, comprise light shielding part and a plurality of filter unit, described light shielding part is lattice-shaped, comprise cross one another gridline, the space of being cut apart by described gridline forms some grid cells, and each filter unit is contained in a corresponding grid cell, and described a plurality of filter units form filter unit;
The first conductive layer, be arranged at the side of described filter layer away from described first surface, comprise a plurality of the first spaced conductive patterns, described the first conductive pattern comprises conductive grid, described conductive grid is intersected to form by conductive thread, and conductive thread intersects to form grid node;
The second conductive layer, be located at a side of described second surface, comprises a plurality of the second spaced conductive patterns, and described the second conductive pattern comprises conductive grid, and described conductive grid is intersected to form by conductive thread, and conductive thread intersects to form grid node;
Wherein, the live width of the conductive thread of described the first conductive layer and the second conductive layer is 0.2 μ m～5 μ m, and the distance of adjacent two described grid nodes is 50 μ m～800 μ m.
2. optical filter box according to claim 1, is characterized in that, in described the first conductive layer and the second conductive layer, at least one conductive grid is random grid.
3. optical filter box according to claim 1 and 2, it is characterized in that, in described the first conductive layer, the interval width of adjacent two the first conductive patterns is 0.5 μ m～50 μ m, and in described the second conductive layer, the interval width of adjacent two the second conductive patterns is 0.5 μ m～50 μ m.
4. optical filter box according to claim 1, is characterized in that, in described the first conductive layer and described the second conductive layer, at least one conductive thread all falls within on described gridline in the projection of described filter layer.
5. optical filter box according to claim 1, it is characterized in that, further comprise the first impression glue-line, described the first impression glue-line is arranged at the side of described filter layer away from described first surface, described the first impression glue-line offers the first groove away from a side of described first surface, and the conductive thread of described the first conductive pattern is contained in described the first groove.
6. optical filter box according to claim 5, it is characterized in that, further the second impression glue-line, described the second impression glue-line is arranged at the second surface of described substrate, described the second impression glue-line offers the second groove away from a side of described second surface, and the conductive thread of described the second conductive pattern is contained in described the second groove.
7. optical filter box according to claim 1, is characterized in that, the thickness of described filter unit is not less than the thickness of described light shielding part.
8. optical filter box according to claim 1, is characterized in that, each described conductive grid projection on described filter layer of described the first conductive layer and described the second conductive layer is surrounded by least one filter unit.
9. optical filter box according to claim 1, it is characterized in that, the filter unit number that the projection of the described conductive grid of each of described the first conductive layer on described filter layer surrounded is not identical with the filter unit number that the projection of each described conductive grid on described filter layer of described the second conductive layer surrounded.
10. a touch display screen, comprise the TFT electrode, Liquid Crystal Module, optical filter box and the polaroid that stack gradually, it is characterized in that, described optical filter box is optical filter box as in one of claimed in any of claims 1 to 9.
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| CN2013204010963U CN203338314U (en) | 2013-07-05 | 2013-07-05 | Optical filter assembly and touch displaying screen with optical filter assembly |
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| CN2013204010963U CN203338314U (en) | 2013-07-05 | 2013-07-05 | Optical filter assembly and touch displaying screen with optical filter assembly |
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| CN203338314U true CN203338314U (en) | 2013-12-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345328A (en) * | 2013-07-05 | 2013-10-09 | 南昌欧菲光显示技术有限公司 | Optical filter box and touch display screen using optical filter box |
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2013
- 2013-07-05 CN CN2013204010963U patent/CN203338314U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345328A (en) * | 2013-07-05 | 2013-10-09 | 南昌欧菲光显示技术有限公司 | Optical filter box and touch display screen using optical filter box |
| CN103345328B (en) * | 2013-07-05 | 2016-12-28 | 南昌欧菲光显示技术有限公司 | Optical filter box and use the touch display screen of this optical filter box |
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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 |
Effective date of registration: 20170630 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 |