CN203338288U - Touch display screen and optical filter assembly thereof - Google Patents
Touch display screen and optical filter assembly thereof Download PDFInfo
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- CN203338288U CN203338288U CN201320400639XU CN201320400639U CN203338288U CN 203338288 U CN203338288 U CN 203338288U CN 201320400639X U CN201320400639X U CN 201320400639XU CN 201320400639 U CN201320400639 U CN 201320400639U CN 203338288 U CN203338288 U CN 203338288U
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Abstract
An optical filter assembly comprises a substrate, a shading layer, a filter layer, a first conducting layer, a matrix layer and a second conducting layer. The substrate comprises a first surface and a second surface, the first surface and the second surface are arranged in an opposite mode, the shading layer is arranged on the first surface, the first conducting layer is arranged on the shading layer, the matrix layer is located on the second surface, the second conducting layer is embedded in the matrix layer, and therefore the second conducting layer and the first conducting layer form an induction capacitor structure. Thus, the optical filter assembly can achieve touch control operation and an optical filtering function at the same time. As combination of two essential assemblies in a display screen, when the optical filter assembly is used in the touch display screen, the display screen can have a touch control function directly, a touch screen does not need to be arranged on the display screen, and therefore the thickness of electronic products can be reduced beneficially. In addition, when the optical filter assembly is used for manufacturing the touch display screen, one lamination process can be eliminated, therefore, materials can be saved, and production efficiency can be improved. In addition, the utility model further provides the touch display screen.
Description
Technical field
The utility model relates to touch screen technology, particularly relates to a kind of touch display screen and optical filter box thereof.
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, being assembled afterwards, to form touch display screen, is Presentation Function but touch display screen can have touch control operation 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 module, Liquid Crystal Module and thin film transistor (TFT) (TFT, Thin Film Transistor), while by polaroid, optical filter module, 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, to further increase its thickness, thereby run counter to the lightening development trend of electronic product.
The utility model content
Based on this, be necessary to provide a kind of touch display screen and optical filter box thereof that is conducive to reduce electronic product thickness.
A kind of optical filter box comprises:
Substrate, comprise first surface and the second surface be oppositely arranged with described first surface;
Light shield layer, be attached to described first surface, and described light shield layer is the lattice-shaped structure that gridline intersects to form mutually, and described light shield layer comprises a plurality of grid cells;
Filter layer, be attached to described first surface, and described filter layer comprises a plurality of spaced filter units, and a plurality of described filter units lay respectively in described a plurality of grid cell;
The first conductive layer, be positioned at a described light shield layer side of described first surface dorsad, described the first conductive layer is the conductive grid that conductive thread intersects to form mutually, described the first conductive layer comprises a plurality of the first grid cells, and the projection of conductive thread on described light shield layer that forms described the first conductive layer is positioned at described gridline;
Hypothallus, be attached to described second surface; And
The second conductive layer, be embedded at described hypothallus, and described the second conductive layer is the conductive grid that conductive thread intersects to form mutually, and described the second conductive layer comprises a plurality of the second grid cells.
Therein in embodiment, a described light shield layer side of described first surface dorsad offers the first grid groove, the conductive material of described the first conductive layer in being filled in described the first grid groove forms, a described hypothallus side of described substrate dorsad offers the second grid groove, and the conductive material of described the second conductive layer in being filled in described the second grid groove solidify to form.
In embodiment, the degree of depth of described the first grid groove is more than or equal to the thickness of described the first conductive layer and is less than the thickness of described light shield layer therein, and the degree of depth of described the second grid groove is more than or equal to the thickness of described the second conductive layer.
In embodiment, the thickness of described filter layer is greater than the thickness of described light shield layer therein.
Therein in embodiment, described the first conductive layer by be attached to described light shield layer dorsad the conductive material of a side of described first surface form, a described hypothallus side of described substrate dorsad offers the second grid groove, and the conductive material of described the second conductive layer in being filled in described the second grid groove forms.
In embodiment, the thickness of described filter layer is greater than the thickness sum of described light shield layer and described the first conductive layer therein.
In embodiment, the width that forms the conductive thread of described the first conductive layer is less than the width of described gridline therein.
In embodiment, the conductive thread that forms described the second conductive layer is positioned at described gridline in the projection of described light shield layer therein.
In embodiment, the center line that forms the conductive thread of described the second conductive layer aligns with the center line of described gridline therein.
In embodiment, at least comprise a conductive thread that forms described the second conductive layer therein, its projection at described light shield layer is positioned at described grid cell.
Therein in embodiment, form the width of conductive thread of described the second conductive layer between 0.2 to 5 micron, the distance between the grid node of described the second grid cell is between 50 to 500 microns.
In embodiment, at least hold a described filter unit in the scope of each described the first grid cell therein.
In embodiment, described the first conductive layer forms the first conductive unit of many mutually insulateds therein, and described the second conductive layer forms the second conductive unit of many mutually insulateds.
A kind of touch display screen, comprise the film crystal pipe electrode, liquid crystal module of stacked setting, as optical filter box and upper polaroid as described in any one in above-mentioned preferred embodiment.
In embodiment, described the second conductive layer is towards described upper polaroid therein.
Above-mentioned optical filter box and using in the touch display screen of this optical filter box, optical filter box can be realized touch control operation and filtering functions simultaneously.As the combination of indispensable two assemblies in display screen, when optical filter box is used for touch display screen, can directly make display screen there is touch controllable function, without assemble again a touch-screen on display screen, thereby be conducive to reduce the thickness of electronic product.In addition, while utilizing above-mentioned optical filter box to prepare touch display screen, can reduce attaching process one time, thereby also can save material and enhance productivity.
The accompanying drawing explanation
The structural representation that Fig. 1 is touch display screen in the utility model preferred embodiment;
Fig. 2 is the layer structure schematic diagram of optical filter box in touch display screen shown in Fig. 1;
The stereographic map that Fig. 3 is optical filter box shown in Fig. 2;
The partial enlarged drawing that Fig. 4 to Fig. 7 is optical filter box shown in Fig. 3;
The layer structure schematic diagram that Fig. 8 is optical filter box in another embodiment;
The layer structure schematic diagram that Fig. 9 is optical filter box in another embodiment.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Provided preferred embodiment of the present utility model in accompanying drawing.But the utility model can be realized in many different forms, is not limited to embodiment described herein.On the contrary, provide the purpose of these embodiment be make the understanding of disclosure of the present utility model more comprehensively thorough.
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.
Refer to Fig. 1, the touch display screen 10 in the utility model preferred embodiment comprises lower polaroid 101, film crystal pipe electrode 102, liquid crystal module 103, public electrode 104, optical filter box 100 and the upper polaroid 105 stacked gradually.
Touch display screen can be the LCDs of straight-down negative or side entering type light source.Thin film transistor (TFT) (TFT) electrode 102 comprises glass-base 1021 and is arranged on the show electrode 1023 on glass-base 1021.Liquid crystal module 103 comprises liquid crystal bulk layer 1032 and is held on the alignment film 1034 of liquid crystal bulk layer 1032 both sides.
See also Fig. 2 and Fig. 3, in the present embodiment, optical filter box 100 comprises substrate 110, light shield layer 120, filter layer 130, the first conductive layer 140, hypothallus 150 and the second conductive layer 160.Wherein:
The second surface (figure is mark not) that substrate 110 comprises first surface (figure is mark not) and is oppositely arranged with first surface.110 carryings of substrate and protective effect, and substrate 110 light-permeables.Concrete, the material of substrate 110 can be sillico aluminate glass or calcium soda-lime glass.
See also Fig. 4, filter layer 130 is attached to first surface.Filter layer 130 comprises a plurality of spaced filter units 131.A plurality of filter units 131 lay respectively in a plurality of grid cells, thus by gridline 121 by a plurality of single separating of filter unit 131.Filter unit 131 can be respectively by the RGB(red green blue tricolor that is coated on first surface) chromatic photoresist forms, and has filtering functions.The light sent from backlight filters through filter unit 131, can obtain respectively the light of corresponding color.Control the throughput of light in different colours filter unit 131 of backlight, can be mixed to get the shades of colour mixed light, and then realize multicoloured demonstration.In the present embodiment, grid cell is square, thereby the shape of filter unit 131 also is defined as to square, and then makes the colour developing of a plurality of filter units 131 more even.Be appreciated that grid cell also can be triangle, circle or other are irregularly shaped.
The first conductive layer 140 is positioned at light shield layer 120 side of first surface dorsad.The conductive grid that the first conductive layer 140 intersects to form mutually for conductive thread, the first conductive layer 140 comprises the first grid cell (figure is mark not).The projection of conductive thread on light shield layer 120 that forms the first conductive layer 140 is positioned at gridline 121.Specifically in the present embodiment, the first conductive layer 140 forms the first conductive unit 141 of many mutually insulateds.
In the present embodiment, the width that forms the conductive thread of the first conductive layer 140 is less than the width of gridline 121.For reaching the visually-clear effect, the conductive thread that forms the first conductive layer 140 must be blocked by gridline 121.Therefore, for preventing conductive thread, expose the scope of blocking of gridline 121, the width that forms the conductive thread of the first conductive layer 140 is less than the width of gridline 121.It is pointed out that in other embodiments, the width that forms the conductive thread of the first conductive layer 140 also can equal the width of gridline 121.
In the present embodiment, at least hold a filter unit 131 in the scope of each the first grid cell.Concrete, the first grid cell can with filter unit 131 one to one or one-to-many.As shown in Figure 4, only comprise a filter unit 131 in the scope of first grid cell; As shown in Figure 5, comprise same a plurality of filter units 131 on axially in the scope of first grid cell; As shown in Figure 6, comprise a plurality of orthogonal a plurality of filter units 131 on axially in the scope of first grid cell.Therefore, on every gridline, at most only a conductive thread need be set, thereby the density of conductive grid is reduced, be convenient to processing.
In the present embodiment, the conductive thread that forms the first conductive layer 140 can be straight line, curve or broken line.Further, when the conductive thread that forms the first conductive layer 140 is straight line, the center line of conductive thread aligns with the center line of gridline 121, thereby can make as much as possible the width of conductive thread larger, to increase the reliability of the first conductive layer 140.As shown in Figure 7, the conductive thread that forms the first conductive layer 140 can also be curve or broken line.
In the present embodiment, light shield layer 120 dorsad a side of first surface offer the first grid groove 123.The conductive material of the first conductive layer 140 in being filled in the first grid groove 123 solidify to form.Wherein, conductive material is curing obtains conductive thread, and conductive thread intersects to form conductive grid mutually.Therefore, when forming the first conductive layer 140, can pass through the impressing mould one-shot forming, obtain default pattern, and need not be by graphical etching, thereby simple flow is also cost-saving.Concrete, conductive material can be metal (as Nano Silver), carbon nano-tube, Graphene, organic conductive macromolecule and ITO.
Wherein, the first grid groove 123 width can be equal to or less than the width of gridline 121, therefore form the width that the width of the conductive thread of the first conductive layer 140 can be equal to or less than gridline 121.In the present embodiment, the first grid groove 123 width are less than the width of gridline 121.
In the present embodiment, the degree of depth of the first grid groove 123 is more than or equal to the thickness of the first conductive layer 140 and is less than the thickness of light shield layer 120.Therefore, can make the first conductive layer 140 be coated on fully in light shield layer 120, thereby can form effectively protection to the first conductive layer 140, prevent scratch the first conductive layer 140 in follow-up laminating process, and then affect the quality of product.
Further, in the present embodiment, the thickness of filter layer 130 is greater than the thickness of light shield layer 120.Therefore, can prevent from being blocked by light shield layer 120 or the first conductive layer 140 from the light of filter unit 131 side outgoing, thereby increase light emission rate.
Refer to Fig. 8, in another embodiment, the first conductive layer 140 by be attached to light shield layer 120 dorsad the conductive material of a side of first surface form.Concrete, can to form conductive film layer, then carry out etching to conductive film layer by plated surface conducting film or coated with conductive material at light shield layer 120, obtain patterned the first conductive layer 140.Wherein, can be gold, silver, copper etc. for the material of plated film and there are the metal of less resistive rate or ITO etc., and can be conductive ink etc. for the conductive material applied.
Further, the thickness of filter layer 130 is greater than the thickness sum of light shield layer 120 and the first conductive layer 140.Therefore, filter layer 130 protrudes from the surface of light shield layer 120 and the first conductive layer 140, thereby can from the light of filter unit 131 side outgoing, by light shield layer 120 and the first conductive layer 140, be blocked from preventing, thereby increases light emission rate.
Please again consult Fig. 1 to Fig. 4, hypothallus 150 is attached to second surface.Concrete, hypothallus 150 is formed by the impression adhesive curing that is coated on second surface.Impression glue is transparence, does not affect whole transmitance.In the present embodiment, the material of impression glue is solvent-free ultra-violet curing acrylic resin, and its thickness is 2～10 microns.It is pointed out that in other embodiments, impression glue material can also be On Visible Light Cured Resin, heat reactive resin etc.
The second conductive layer 160 is embedded at hypothallus 150.Specifically in the present embodiment, the second conductive layer 160 public electrode 104 settings dorsad.Wherein, the second conductive layer 160 and the first conductive layer 140 lay respectively at a side of substrate 110, both be oppositely arranged and between interval substrate 110 and hypothallus 150.Therefore, form the inductance capacitance structure between the second conductive layer 160 and the first conductive layer 140, thereby make optical filter box 110 can realize touch-control and filtering functions simultaneously.The conductive grid that the second conductive layer 160 intersects to form mutually for conductive thread, the second conductive layer 160 comprises a plurality of the second grid cells (figure is mark not).Specifically in the present embodiment, the second conductive layer 160 forms second conductive unit (figure is mark not) of many mutually insulateds.
Wherein, the conductive grid of the second conductive layer 160 can be regular polygon, also can be random grid.When the conductive grid of the second conductive layer 160 is random grid, can effectively avoid interfering, thereby avoid forming Moire fringe on touch display screen 10, promote display effect.
In the present embodiment, hypothallus 150 dorsad a side of substrate 110 offer the conductive material of the second grid groove 151, the second conductive layers 160 in being filled in the second grid groove 151 and solidify to form.Concrete, conductive material can be metal (as Nano Silver), carbon nano-tube, Graphene, organic conductive macromolecule and ITO.Therefore, when forming the second conductive layer 160, can pass through the impressing mould one-shot forming, obtain default pattern, and need not be by graphical etching, thereby simple flow is also cost-saving.
Further, the degree of depth of the second grid groove 151 is more than or equal to the thickness of the second conductive layer 160.Therefore, the second conductive layer 160 can be coated in the second grid groove 151 fully, thereby can form effectively protection to the second conductive layer 160, prevents scratch the second conductive layer 160 in follow-up laminating process, and then affects the quality of product.
In the present embodiment, the conductive thread that forms the second conductive layer 160 is positioned at gridline 121 in the projection of light shield layer 120.Further, the center line that forms the conductive thread of the second conductive layer 160 aligns with the center line of gridline 121.Therefore, light shield layer 120 can effectively block the conductive thread of the second conductive layer 160, thereby avoids the user can see conductive thread and experience lf being influenced in use.In addition, because conductive thread is blocked, thereby not high for the width requirement of conductive thread, the width that is not more than gridline 121 gets final product.Therefore, can make (very thin without doing) easy to make, and wider conductive thread easy fracture not, and then can promote the reliability of the second conductive layer 160.
Refer to Fig. 9, in another embodiment, at least comprise a conductive thread that forms the second conductive layer 160, its projection at light shield layer 120 is positioned at grid cell.Because the projection of conductive thread is positioned at grid cell, make gridline 121 not form effectively and to block the conductive thread that forms the second conductive layer 160.And, in touch display screen 10, must make again the user can't observe conductive thread.In order to reach visually-clear, further, form the width of conductive thread of the second conductive layer 160 between 0.2 to 5 micron, the distance between the grid node of the second grid cell is between 50 to 500 microns.
In the touch display screen 10 of optical filter box 100 and use optical filter box 100, optical filter box 100 can be realized touch control operation and filtering functions simultaneously.As the combination of indispensable two assemblies in display screen, optical filter box 100 during for touch display screen 10, can directly make display screen have touch controllable function, without assembling one touch-screen on display screen again, thereby is conducive to reduce the thickness of electronic product.In addition, while utilizing optical filter box 100 to prepare touch display screen, can reduce attaching process one time, thereby also can save material and enhance productivity.
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 (15)
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;
Light shield layer, be attached to described first surface, and described light shield layer is the lattice-shaped structure that gridline intersects to form mutually, and described light shield layer comprises a plurality of grid cells;
Filter layer, be attached to described first surface, and described filter layer comprises a plurality of spaced filter units, and a plurality of described filter units lay respectively in described a plurality of grid cell;
The first conductive layer, be positioned at a described light shield layer side of described first surface dorsad, described the first conductive layer is the conductive grid that conductive thread intersects to form mutually, described the first conductive layer comprises a plurality of the first grid cells, and the projection of conductive thread on described light shield layer that forms described the first conductive layer is positioned at described gridline;
Hypothallus, be attached to described second surface; And
The second conductive layer, be embedded at described hypothallus, and described the second conductive layer is the conductive grid that conductive thread intersects to form mutually, and described the second conductive layer comprises a plurality of the second grid cells.
2. optical filter box according to claim 1, it is characterized in that, a described light shield layer side of described first surface dorsad offers the first grid groove, the conductive material of described the first conductive layer in being filled in described the first grid groove forms, a described hypothallus side of described substrate dorsad offers the second grid groove, and the conductive material of described the second conductive layer in being filled in described the second grid groove solidify to form.
3. optical filter box according to claim 2, it is characterized in that, the degree of depth of described the first grid groove is more than or equal to the thickness of described the first conductive layer and is less than the thickness of described light shield layer, and the degree of depth of described the second grid groove is more than or equal to the thickness of described the second conductive layer.
4. optical filter box according to claim 3, is characterized in that, the thickness of described filter layer is greater than the thickness of described light shield layer.
5. optical filter box according to claim 1, it is characterized in that, described the first conductive layer by be attached to described light shield layer dorsad the conductive material of a side of described first surface form, a described hypothallus side of described substrate dorsad offers the second grid groove, and the conductive material of described the second conductive layer in being filled in described the second grid groove forms.
6. optical filter box according to claim 5, is characterized in that, the thickness of described filter layer is greater than the thickness sum of described light shield layer and described the first conductive layer.
7. optical filter box according to claim 1, is characterized in that, the width that forms the conductive thread of described the first conductive layer is less than the width of described gridline.
8. optical filter box according to claim 1, is characterized in that, the conductive thread that forms described the second conductive layer is positioned at described gridline in the projection of described light shield layer.
9. optical filter box according to claim 8, is characterized in that, the center line that forms the conductive thread of described the second conductive layer aligns with the center line of described gridline.
10. optical filter box according to claim 1, is characterized in that, at least comprises a conductive thread that forms described the second conductive layer, and its projection at described light shield layer is positioned at described grid cell.
11. optical filter box according to claim 10, is characterized in that, forms the width of conductive thread of described the second conductive layer between 0.2 to 5 micron, the distance between the grid node of described the second grid cell is between 50 to 500 microns.
12. optical filter box according to claim 1, is characterized in that, at least holds a described filter unit in the scope of each described the first grid cell.
13. optical filter box according to claim 1, is characterized in that, described the first conductive layer forms the first conductive unit of many mutually insulateds, and described the second conductive layer forms the second conductive unit of many mutually insulateds.
14. a touch display screen, is characterized in that, comprises the film crystal pipe electrode, liquid crystal module of stacked setting, as optical filter box and upper polaroid as described in above-mentioned claim 1～13 any one.
15. touch display screen according to claim 14, is characterized in that, described the second conductive layer is towards described upper polaroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320400639XU CN203338288U (en) | 2013-07-05 | 2013-07-05 | Touch display screen and optical filter assembly thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320400639XU CN203338288U (en) | 2013-07-05 | 2013-07-05 | Touch display screen and optical filter assembly thereof |
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| CN203338288U true CN203338288U (en) | 2013-12-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863899A (en) * | 2020-07-21 | 2020-10-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and manufacturing method thereof |
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2013
- 2013-07-05 CN CN201320400639XU patent/CN203338288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863899A (en) * | 2020-07-21 | 2020-10-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and manufacturing method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20180705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |