CN103257749A - Optical filter box and touch display screen - Google Patents
Optical filter box and touch display screen Download PDFInfo
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- CN103257749A CN103257749A CN 201310175337 CN201310175337A CN103257749A CN 103257749 A CN103257749 A CN 103257749A CN 201310175337 CN201310175337 CN 201310175337 CN 201310175337 A CN201310175337 A CN 201310175337A CN 103257749 A CN103257749 A CN 103257749A
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Abstract
The invention relates to an optical filter box and a touch display screen. The optical filter box comprises a glass base material, a shading matrix layer, a colored light resistance layer, an impressing adhesive layer and conducting layers, wherein the shading matrix layer is arranged on the glass base material, and comprises grid lines which are crossed with one another, the grid lines are crossed to form grids, the colored light resistance layer comprises a plurality of colored light resistance units which are arranged on the glass base material and in the grids, the impressing adhesive layer is arranged on the shading matrix layer and the colored light resistance layer, and grooves are formed in one side, far away from the glass base material, of the impressing adhesive layer, the conducting layers are contained in the grooves, the thicknesses of the conducting layers are smaller than the depths of the grooves, the conducting layers comprise first conducting patterns and second conducting patterns, and induction structures are formed by the first conducting patterns and the second conducting patterns in an alternating mode. The optical filter box and the conducting layers of the touch display screen are arranged in the impressing adhesive layer above the colored light resistance layer and the shading matrix layer, and scratches of the conducting layers can be avoided.
Description
Technical field
The present invention relates to touch-screen, particularly relate to a kind of optical filter box and use the touch display screen of this optical filter box.
Background technology
Touch-screen is a kind of induction installation that touches input signal that receives.Touch-screen has given information interaction brand-new looks, is extremely attractive brand-new information interaction equipment.The development of touch screen technology has caused the common concern of domestic and international information medium circle, has become the Chaoyang new high-tech industry that the photoelectricity industry is a dark horse.
At present, having the electronic product that touches Presentation Function includes display screen and is positioned at touch-screen on the display screen.Yet, touch-screen as with display screen assembly independently, when being used for the electronic product that some realize man-machine interactions, all need to order according to the size of display screen, assemble afterwards, to form touch display screen, touch display screen has touch control operation and Presentation Function simultaneously again.The assembling of existing touch-screen and display screen mainly contains dual mode, and namely frame pastes and full the applying.The frame subsides are to be fitted in the edge of touch-screen and display screen, and full applying is whole the applying of upper surface with lower surface and the display screen of touch-screen.
Display screen mainly comprises stacked polaroid, optical filter box, diaphragm, Liquid Crystal Module and thin film transistor (TFT) (TFT; Thin Film Transistor); therefore; display screen itself has had bigger thickness, after continuing to be assembled in touch-screen on the display screen, will further increase the thickness of described touch display device; moreover; many one attaching process, just meaning has increased the bad probability of product, increases production cost of products greatly.
Summary of the invention
Based on this, be necessary to provide a kind of and can prevent that the conductive layer scratch is with the optical filter box that improves the product yield and the touch display screen that uses this optical filter box.
A kind of optical filter box comprises: glass baseplate;
Glass baseplate;
The shading matrix layer is arranged on the described glass baseplate, and described shading matrix layer comprises cross one another ruling, described ruling intersection shaping grid;
The colorama resistance layer comprises a plurality of chromatic photoresist unit that are arranged on the described glass baseplate and are arranged in described grid;
The impression glue-line is arranged on described shading matrix layer and the described colorama resistance layer, and described impression glue-line offers groove away from a side of described glass substrate; And
Conductive layer, be housed in the described groove, the thickness of described conductive layer is smaller or equal to the degree of depth of described groove, described conductive layer comprises first conductive pattern and second conductive pattern, and described first conductive pattern and second conductive pattern space on the plane of described impression glue-line extension direction forms induction structure.
Among embodiment, described first conductive pattern and described second conductive pattern comprise the continuous conduction grid therein, and described conductive grid is intersected to form by conductive thread, and described conductive thread is contained in the described groove.
Among embodiment, the width of described conductive thread is 0.2 micron～5 microns therein, and conductive thread intersects to form mesh node mutually, and the distance between the two adjacent mesh nodes is 10 microns～500 microns.
Among embodiment, described conductive thread all falls within described ruling in the projection of described shading matrix layer, and the live width of described conductive thread is less than the live width of described ruling therein.
Among embodiment, the projection of described conductive grid on described shading matrix layer accommodates at least one chromatic photoresist unit therein.
Among embodiment, the thickness of described colorama resistance layer is smaller or equal to the thickness of described shading matrix layer therein.
Therein among embodiment, described first conductive pattern comprises a plurality of first identical conductive pattern unit, described second conductive pattern comprises a plurality of second identical conductive pattern unit, one side of each described first conductive pattern unit is arranged with the described second conductive pattern unit of at least two spaces, the described second conductive pattern unit mutually insulated of each both sides, the described first conductive pattern unit.
Among embodiment, the thickness of described impression glue-line is 2 microns～10 microns therein.
Among embodiment, the degree of depth of described groove is 1 micron～8 microns therein.
A kind of touch display screen comprises the TFT electrode, Liquid Crystal Module, optical filter box and the polaroid that stack gradually, and described optical filter box is as above any described optical filter box.
In the touch display screen of above-mentioned optical filter box and this optical filter box of use, elder generation's shading matrix layer and colorama resistance layer are arranged on the surface of glass-base, to impress glue-line then is arranged on shading matrix layer and the colorama resistance layer, last just conductive layer being embedded in the groove of impression glue-line, in the process of preparation, conductive layer is in the end finished in a step, having avoided the conductive layer scratch to cause opens circuit, conduct electricity situation such as bad, improved the product yield, and the thickness of conductive layer is further avoided the scratch of conductive layer smaller or equal to the degree of depth of groove in the process of following process or use.
Description of drawings
Fig. 1 is the structural representation of the touch display screen of an embodiment;
Fig. 2 is the structural representation of the optical filter box in the touch display screen shown in Figure 1;
Fig. 3 is the structural representation of the optical filter box of an embodiment;
Fig. 4 is the structural representation of the optical filter box of another embodiment;
Fig. 5 is the structural representation of the optical filter box of another embodiment;
Fig. 6 is the structural representation of the conductive layer of an embodiment;
Fig. 7 a is the structural representation of the conductive thread of an embodiment;
Fig. 7 b is the structural representation of the conductive thread of another embodiment;
Fig. 8 is the structural representation of the conductive thread of an embodiment;
Fig. 9 is the structural representation of the conductive thread of another embodiment;
Figure 10 is the structural representation of the conductive thread of an embodiment;
Figure 11 is the process chart of the optical filter box of an embodiment.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar improvement under the situation of intension of the present invention, so the present invention is not subjected to the restriction of following public concrete enforcement.
Need to prove that when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be to be directly connected to another element or may to have element placed in the middle simultaneously.
Unless otherwise defined, the employed all technology of this paper are identical with the implication that belongs to those skilled in the art's common sense of the present invention with scientific terminology.Employed term is not intended to be restriction the present invention just in order to describe the purpose of specific embodiment in instructions of the present invention herein.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
The present invention proposes a kind of optical filter box and uses the touch display screen of this optical filter box.This optical filter box can be realized touch operation and optical filter function, thereby makes touch display screen have the touch Presentation Function.
See also Fig. 1, the touch display screen 100 of an embodiment comprises following polaroid 10, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50, the optical filter box 200 that stacks gradually and goes up polaroid 60.
Structure and the function of the following polaroid 10 of present embodiment, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, diaphragm 50 and last polaroid 60 can be identical with existing product, do not repeat them here.
Be appreciated that for using backlight as polarized light source, as the OLED polarized light source, then need not down polaroid 10, only need to go up polaroid 60 and get final product.Diaphragm 50 also can omit.
Following emphasis is described optical filter box 200.
See also Fig. 2, optical filter box 200 comprise glass baseplate 22, shading matrix layer (Black Matrix, BM) 24, colorama resistance layer 26, impression glue-line 27 and conductive layer 28.
Colorama resistance layer 26 is arranged in the grid of shading matrix layer 24, and colorama resistance layer 26 comprises a plurality of chromatic photoresists unit 262.Each chromatic photoresist unit 262 is housed in the grid.The material of colorama resistance layer 26 can be for having coloured dye, for example red (Red, R), green (Green, G), blue (it can adopt exposure for Blue, photoresist B), the formation of developing.Colorama resistance layer 26 is distributed among the grid of shading matrix layer 24 formation, and namely colorama resistance layer 26 and shading matrix layer 24 are distributed on the surface of glass baseplate 22.In the present embodiment, the chromatic photoresist of colorama resistance layer 26 is the R/G/B chromatic photoresist.
See also Fig. 3, in one embodiment, the thickness of colorama resistance layer 26 can equal the thickness of shading matrix layer 24.In other embodiments, as shown in Figure 4, the thickness of colorama resistance layer 26 can increase the light emission rate of light like this greater than the thickness of shading matrix layer 24.If (, the thickness of colorama resistance layer 26 is less than the thickness of shading matrix layer 24, looking then that colorama resistance layer 26 is similar to is embedded in shading matrix layer 24, shading matrix layer 24 covers light, therefore 26 light that come out can only be seen from the front from the colorama resistance layer, the side is then all blocked by shading matrix layer 24, is unfavorable for bright dipping).And work as the thickness of colorama resistance layer 26 greater than the thickness of shading matrix layer 24; the top of colorama resistance layer 26 embeds in the impression glue-line 27; impression glue-line 27 is filled and led up the gap between the chromatic photoresist, and impression glue-line 27 plays the effect of protection chromatic photoresist and grid moulding simultaneously.
Impression glue-line 27 arranges on shading matrix layer 24 and the colorama resistance layer 26, impression glue-line 27 is transparence, thickness is 2 microns～10 microns, do not influence whole transmitance, in the present embodiment, the material of impression glue-line 27 can be solvent-free ultra-violet curing acrylic resin, and in other embodiments, the material of impression glue-line 27 can also be visible-light curing resin, heat reactive resin.Offer be used to the groove of accommodating conductive layer 28 on the impression glue-line 27, the degree of depth of groove can be 1 micron～8 microns, and wherein the thickness of conductive layer 28 is no more than the degree of depth of groove.
Seeing also Fig. 2 to Fig. 5, conductive layer 28 is housed in the groove of impression glue-line 27, and the thickness of conductive layer 28 is smaller or equal to the degree of depth of groove.Conductive layer 28 comprises first conductive pattern 282 and second conductive pattern 284, and first conductive pattern 282 and second conductive pattern, 284 spaces form induction structure, as shown in Figure 6, first conductive pattern 282 and second conductive pattern 284 comprise the continuous conduction grid that is intersected to form by conductive thread, first conductive pattern 282 and the insulation of second conductive pattern, 284 spaces.
See also Fig. 2, in one embodiment, conductive thread 29 can be not with the grid line of shading matrix layer 24 over against, be that conductive thread 29 can be not used as the contraposition processing, but for obtaining the visually-clear effect, the width of conductive thread is 0.2 micron～5 microns, is preferably 0.5 micron～2 microns, conductive thread 29 intersects to form mesh node mutually, and the distance between the two adjacent mesh nodes is 10 microns～500 microns.Be preferably 50 microns～500 microns.
See also Fig. 3, in one embodiment, conductive thread 29 all falls within on the ruling in the projection of shading matrix layer 24, be that conductive thread 29 is all over against the grid line of shading matrix layer, the live width of conductive thread 29 can equal the grid line live width of shading matrix layer, conductive thread 29 wider width shown in Figure 2 relatively like this, even conductive grid is wideer and opaque, can be sheltered from by the shading matrix layer, so the user can not see conductive grid in use yet, be that the user can not see conductive layer 28 in use, therefore can not influence the user and experience, in addition, when conductive thread 29 has big width, can reduce the probability of broken string, to improve the product yield.
See also Fig. 5, in one embodiment, the width of conductive thread 29 less than the distance between two adjacent R/G/B chromatic photoresists, namely the live width of conductive thread 29 can be less than the live width of the ruling of shading matrix layer 24.So that conductive layer 28 is annihilated fully on 24 li on shading matrix layer, so that conductive thread 29 is arranged on the surface that is right against shading matrix impression glue-line 27 layer by layer and the grid line scope of not exposing the shading matrix layer, thereby can not influence the light effect that in R/G/B chromatic photoresist zone, can reduce like this conductive thread 29 expose over against shading matrix layer grid region outside fraction defective.And guarantee first conductive pattern 282 and second conductive pattern, 284 monolithic conductives of space insulation.
See also Fig. 7 a and Fig. 7 b, the basic grid of conductive thread 29 can be rectangle, also can be irregular curve.
The basic grid shape of conductive thread 29 can with the similar fitgures that are shaped as of the chromatic photoresist of colorama resistance layer 26, shown in Fig. 7 a, the intersection point of conductive thread 29 grids overlaps with the intersection point of shading matrix layer 24.The projection of conductive grid on shading matrix layer 24 accommodates at least one chromatic photoresist unit 262.
Preferably, the mesh lines of conductive thread 29 distance is that the integral multiple of shading matrix layer 24 same axial adjacent two distance between center lines is so that prepare.Here can be divided into three kinds of situations: 1. only on first axial (for example transverse axis), the mesh lines of conductive thread 29 is apart from being the shading matrix layer 24 same axially integral multiple of adjacent two distance between center lines, namely at the mesh lines of the conductive thread 29 of X direction apart from being about an integral multiple that ruling is wide, as shown in Figure 8; 2. only on second axial (for example longitudinal axis), the mesh lines of conductive thread 29 is apart from being the shading matrix layer 24 same axially integral multiple of adjacent two distance between center lines, namely at the mesh lines of the conductive thread 29 of y direction apart from being about an integral multiple that ruling is wide, as shown in Figure 9; 3. first axially and second axially on, the conductive thread mesh lines is apart from all being the shading matrix layer 24 same axially integral multiple of adjacent two distance between center lines, namely at the mesh lines of the conductive thread 29 of transverse axis and y direction apart from all being about an integral multiple that ruling is wide, as shown in figure 10.
The structure of conductive layer 28 can be for constituting the structure of touch sensible arbitrarily.For instance, as shown in Figure 6.First conductive pattern 282, second conductive pattern 284 are the conductive pattern of individual layer multipoint configuration.First conductive pattern 282 comprises a plurality of first identical conductive pattern unit 283, second conductive pattern 284 comprises a plurality of second identical conductive pattern unit 285, one side of each first conductive pattern unit 283 is arranged with the second conductive pattern unit 285 of at least two spaces, the second conductive pattern unit, 285 mutually insulateds of each 283 both sides, the first conductive pattern unit.
In the above-mentioned optical filter box 200 and touch display screen 100, shading matrix layer 24 and colorama resistance layer 26 are arranged on the surface of glass baseplate 22, to impress glue-line 27 is arranged on shading matrix layer 24 and the colorama resistance layer 26, just conductive layer 28 is embedded at last at impression glue-line 27, in the process of preparation, conductive layer 28 is in the end finished in a step, having avoided conductive layer 28 scratches to cause opens circuit, conduct electricity situation such as bad, improved the product yield, and conductive layer 28 is being embedded in the groove of impression glue-line 27, its thickness is no more than the degree of depth of groove, further avoids the scratch of conductive layer in the process of following process or use.
See also Figure 11, the preparation method of the optical filter box of an embodiment.When conductive layer 28 was the individual layer multipoint configuration, optical filter box manufacturing process can be as follows:
S101, just glass baseplate carries out plasma (Plasma) and handles.
Remove the spot on glass baseplate surface by plasma treatment, and make the glass baseplate surface ionization.
Plasma treatment can increase base material in subsequent process with the cohesive force of colorama resistance layer and shading matrix layer.
S102, apply light screening material at glass baseplate, adopt exposure, developing manufacture process, obtain the shading matrix layer, the shading matrix layer comprises cross one another ruling, and ruling intersects to form grid.
In the present embodiment, whole face is coated with/plates light screening material on the glass baseplate surface, light screening material can be black UV glue or crome metal, if the shading matrix layer material is black UV glue, then adopt exposure-developing technique, the shading matrix layer material that need is arranged territory, chromatic photoresist folding area is removed, and obtains the shading matrix layer; If the shading matrix layer material is crome metal, then coating one deck photoresist is removed the shading matrix layer material in chromatic photoresist zone again through overexposure-development-etching technique earlier, obtains the shading matrix layer.
S103, in grid, deposit chromatic photoresist, obtain the colorama resistance layer.
S104, at shading matrix layer and colorama resistance layer coating impression glue, obtain impressing glue-line, offer groove at the impression glue-line away from a side of glass substrate.
S105, the filled conductive material obtains conductive layer in groove, the thickness of conductive layer is smaller or equal to the degree of depth of groove, conductive layer comprises first conductive pattern and second conductive pattern, and first conductive pattern and the second conductive pattern space form induction structure, obtain described optical filter box.
In the present embodiment, adopt impression block to obtain first groove of shape and first conductive pattern, 282 couplings and second groove of shape and second conductive pattern, 284 couplings in impression glue surface imprint, filled conductive silver ink conductive material and solidifying in the groove structure again, make conductive layer 28, namely obtain optical filter box.
Among the above-mentioned optical filter box preparation method, at first in glass substrate preparation shading matrix layer and colorama resistance layer, coating impresses glue then, prepare conductive layer at the impression glue-line again, because conductive layer prepares after shading matrix layer and colorama resistance layer, avoided the conductive layer scratch to cause opening circuit, conduct electricity situation such as bad, improved the product yield, and conductive layer is being embedded in the groove of impression glue-line, its thickness is no more than the degree of depth of groove, further avoids the scratch of conductive layer in the process of following process or use.This preparation technology is simple simultaneously, operates controlledly, and cost is lower, applicable to suitability for industrialized production.
Above-mentioned optical filter box and preparation method thereof also has following advantage with touch display screen:
(1) optical filter box can be realized touch control operation and optical filter function simultaneously, as an indispensable assembly in the display screen, when being used for display screen, can directly make display screen have touch controllable function, need not again at display screen assembling one touch-screen, not only be conducive to reduce the thickness of electronic product, also saved material and assembly cost simultaneously greatly.
(2) carefully arrange to visually-clear or over against shading matrix layer grid line owing to the conductive grid silk thread, so the user can not see conductive grid in use.
(3) conductive pattern is selected damascene structures for use, and its material only expands all suitable conductive materials to transparent material by tradition, when conductive pattern is selected metal material for use, can reduce resistance greatly to reduce the energy consumption of touch-screen.
(4) above-mentioned conductive pattern adopts the metal grill structure, adopts imprint process to make, compared to the technology of traditional ITO film as conductive layer, mesh shape can form in a step, and technology is simple, does not need expensive device such as sputter, evaporation, the yield height is fit to large tracts of land, production in enormous quantities.And if with metal replacement ITO, material cost reduces greatly, owing to do not need to use etching technics, can not cause the waste of conductive, and environmentally friendly.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an optical filter box is characterized in that, comprising:
Glass baseplate;
The shading matrix layer is arranged on the described glass baseplate, and described shading matrix layer comprises cross one another ruling, described ruling intersection shaping grid;
The colorama resistance layer comprises a plurality of chromatic photoresist unit that are arranged on the described glass baseplate and are arranged in described grid;
The impression glue-line is arranged on described shading matrix layer and the described colorama resistance layer, and described impression glue-line offers groove away from a side of described glass substrate; And
Conductive layer, be housed in the described groove, the thickness of described conductive layer is smaller or equal to the degree of depth of described groove, described conductive layer comprises first conductive pattern and second conductive pattern, and described first conductive pattern and second conductive pattern space on the plane of described impression glue-line extension direction forms induction structure.
2. optical filter box according to claim 1 is characterized in that, described first conductive pattern and described second conductive pattern comprise the continuous conduction grid, and described conductive grid is intersected to form by conductive thread, and described conductive thread is contained in the described groove.
3. optical filter box according to claim 2 is characterized in that, the width of described conductive thread is 0.2 micron～5 microns, and conductive thread intersects to form mesh node mutually, and the distance between the two adjacent mesh nodes is 10 microns～500 microns.
4. optical filter box according to claim 2 is characterized in that, described conductive thread all falls within described ruling in the projection of described shading matrix layer, and the live width of described conductive thread is less than the live width of described ruling.
5. optical filter box according to claim 4 is characterized in that, the projection of described conductive grid on described shading matrix layer accommodates at least one chromatic photoresist unit.
6. optical filter box according to claim 1 is characterized in that, the thickness of described colorama resistance layer is smaller or equal to the thickness of described shading matrix layer.
7. optical filter box according to claim 1, it is characterized in that, described first conductive pattern comprises a plurality of first identical conductive pattern unit, described second conductive pattern comprises a plurality of second identical conductive pattern unit, one side of each described first conductive pattern unit is arranged with the described second conductive pattern unit of at least two spaces, the described second conductive pattern unit mutually insulated of each both sides, the described first conductive pattern unit.
8. optical filter box according to claim 1 is characterized in that, the thickness of described impression glue-line is 2 microns～10 microns.
9. optical filter box according to claim 1 is characterized in that, the degree of depth of described groove is 1 micron～8 microns.
10. a touch display screen comprises 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 as any described optical filter box of claim 1～11.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310175337 CN103257749A (en) | 2013-05-13 | 2013-05-13 | Optical filter box and touch display screen |
| CN201310328866.0A CN103389830B (en) | 2013-05-13 | 2013-07-31 | Optical filter box and touch display screen |
| CN201320464187.1U CN203535589U (en) | 2013-05-13 | 2013-07-31 | Optical filter assembly and touch display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310175337 CN103257749A (en) | 2013-05-13 | 2013-05-13 | Optical filter box and touch display screen |
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| Publication Number | Publication Date |
|---|---|
| CN103257749A true CN103257749A (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310175337 Pending CN103257749A (en) | 2013-05-13 | 2013-05-13 | Optical filter box and touch display screen |
| CN201320464187.1U Withdrawn - After Issue CN203535589U (en) | 2013-05-13 | 2013-07-31 | Optical filter assembly and touch display screen |
| CN201310328866.0A Active CN103389830B (en) | 2013-05-13 | 2013-07-31 | Optical filter box and touch display screen |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320464187.1U Withdrawn - After Issue CN203535589U (en) | 2013-05-13 | 2013-07-31 | Optical filter assembly and touch display screen |
| CN201310328866.0A Active CN103389830B (en) | 2013-05-13 | 2013-07-31 | Optical filter box and touch display screen |
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| CN (3) | CN103257749A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681547A (en) * | 2015-11-09 | 2017-05-17 | 南昌欧菲光科技有限公司 | Touch control display screen |
| CN110426891A (en) * | 2019-07-31 | 2019-11-08 | 厦门天马微电子有限公司 | A kind of display panel and display device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257749A (en) * | 2013-05-13 | 2013-08-21 | 南昌欧菲光显示技术有限公司 | Optical filter box and touch display screen |
| CN104238858A (en) * | 2014-09-17 | 2014-12-24 | 南昌欧菲光科技有限公司 | Touch display screen |
| CN104238859A (en) * | 2014-09-17 | 2014-12-24 | 南昌欧菲光科技有限公司 | Touch display screen |
| CN104238857B (en) * | 2014-09-17 | 2017-12-12 | 南昌欧菲光科技有限公司 | Touching display screen |
| CN106406628A (en) * | 2016-11-17 | 2017-02-15 | 武汉华星光电技术有限公司 | Touch screen and manufacturing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441342B (en) * | 2007-11-20 | 2010-07-14 | 胜华科技股份有限公司 | Touch control panel and liquid crystal display panel |
| CN101881899B (en) * | 2009-05-08 | 2011-11-02 | 义强科技股份有限公司 | Liquid crystal display |
| US8237453B2 (en) * | 2009-07-24 | 2012-08-07 | Synaptics Incorporated | Capacitive sensing pattern |
| CN102903423B (en) * | 2012-10-25 | 2015-05-13 | 南昌欧菲光科技有限公司 | Conduction structure in transparent conduction film, transparent conduction film and manufacture method thereof |
| CN103257749A (en) * | 2013-05-13 | 2013-08-21 | 南昌欧菲光显示技术有限公司 | Optical filter box and touch display screen |
-
2013
- 2013-05-13 CN CN 201310175337 patent/CN103257749A/en active Pending
- 2013-07-31 CN CN201320464187.1U patent/CN203535589U/en not_active Withdrawn - After Issue
- 2013-07-31 CN CN201310328866.0A patent/CN103389830B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106681547A (en) * | 2015-11-09 | 2017-05-17 | 南昌欧菲光科技有限公司 | Touch control display screen |
| CN110426891A (en) * | 2019-07-31 | 2019-11-08 | 厦门天马微电子有限公司 | A kind of display panel and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203535589U (en) | 2014-04-09 |
| CN103389830B (en) | 2016-11-16 |
| CN103389830A (en) | 2013-11-13 |
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