CN103257744A - Optical filter module and touch display screen with same - Google Patents
Optical filter module and touch display screen with same Download PDFInfo
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- CN103257744A CN103257744A CN 201310131437 CN201310131437A CN103257744A CN 103257744 A CN103257744 A CN 103257744A CN 201310131437 CN201310131437 CN 201310131437 CN 201310131437 A CN201310131437 A CN 201310131437A CN 103257744 A CN103257744 A CN 103257744A
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Abstract
An optical filter module comprises an optical filter layer and a protecting layer which are stacked. The optical filter layer comprises an optical filter substrate, a shading part disposed on the optical filter substrate and a plurality of optical filter units. The optical filter units form an optical filter part. Intervals are arranged among the optical filter units. The shading part is formed at the intervals. The protecting layer comprises a protecting film substrate, a protecting adhesive layer and a conducting layer, wherein the protecting adhesive layer and the conducting layer are attached to the protecting film substrate, the conducting layer is meshed by conducting materials attached to the protecting film substrate and comprises a first conducting pattern and a second conducting pattern which form induction structures at intervals on the planar extension direction of the protecting adhesive layer and are made of conducting meshes formed by a plurality of conducting wires, and the conducting wires aligns with the shading part. By the optical filter module, touch control and optical filter can be achieved simultaneously, a touch screen mounted on a display screen can be omitted, thickness of electronic products can be reduced favorably, and materials and assembling cost are saved greatly. The invention further provides a touch display screen.
Description
Technical field
The present invention relates to the touch screen technology field, particularly relate to a kind of optical filter module and use the touch display screen of this optical filter module.
Background technology
Touch-screen is the inductive arrangement that can receive input signals such as touch.Touch-screen has given information interaction brand-new looks, is extremely attractive brand-new information interaction equipment.The development of touch screen technology has caused the common concern of domestic and international information medium circle, has become the Chaoyang new high-tech industry that the photoelectricity industry is a dark horse.
At present, having the electronic product that touches Presentation Function includes display screen and is positioned at touch-screen on the display screen.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 that shows screen, assemble again afterwards.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 polaroid, optical filter module, Liquid Crystal Module and thin film transistor (TFT) (TFT, Thin Film Transistor), when being combined into display screen by polaroid, optical filter module, Liquid Crystal Module and thin film transistor (TFT), had bigger thickness, and when continuing on the display screen applying touch-screen, will further increase its thickness, 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 touch display screen that is conducive to reduce the optical filter module of electronic product thickness and production cost and uses this optical filter module.
A kind of optical filter module comprises filter layer and protective seam, and described protective seam is attached at described filter layer,
Described filter layer comprises light filter substrate, is located at light shielding part and a plurality of filter unit of described light filter substrate, is provided with between described a plurality of filter units at interval, and described a plurality of filter units form optical filtering portion, and described light shielding part is formed at the interval;
Described protective seam comprises the diaphragm substrate; be attached to the on-chip conductive layer of described diaphragm and protection glue-line; described conductive layer is embedded at described protection glue-line near described diaphragm substrate one side; described conductive layer is by being attached to the on-chip conductive material gridding of described diaphragm gained; comprise first conductive pattern and second conductive pattern; described first conductive pattern and second conductive pattern space on the plane of described light filter substrate extension direction forms induction structure; described first conductive pattern and described second conductive pattern include the conductive grid that is made of some conductive threads, and described conductive thread is aimed at described light shielding part.
Therein among embodiment, described light filter substrate surface forms lattice-shaped, described light shielding part is lattice-shaped, comprise some cross one another gridlines, described gridline is located in the interval between the described filter unit, described gridline forms some grid cells, and each filter unit is contained in the corresponding grid cell.
Among embodiment, the live width of the conductive thread of described conductive grid is not more than the gridline live width of described light shielding part therein.
Among embodiment, described conductive thread is curve, straight line or broken line therein.
Among embodiment, each described conductive grid projection on described light filter substrate accommodates a filter unit therein.
Among embodiment, each described conductive grid projection on described light filter substrate accommodates at least two filter units therein.
Therein among embodiment; also comprise conducting bridge; described first conductive pattern is between described conducting bridge and described diaphragm substrate; the two ends of each described conducting bridge are electrically connected on two second conductive patterns of described first conductive pattern both sides respectively, and insulate between described conducting bridge and described first conductive pattern.
Among embodiment, described conducting bridge is transparent conductive material, is provided with transparent insulation course between described conducting bridge and described first conductive pattern therein.
Therein among embodiment; the thickness of described protection glue-line is greater than the thickness of described conductive layer; described conducting bridge is embedded at described protection glue-line away from a side of described diaphragm substrate; described conducting bridge comprises the latticed bridge part that is formed by the conductive thread cross connection; the two ends of described bridge part are electrically connected on two second conductive patterns of the described first conductive pattern both sides respectively, and described lattice portion is by insulating with corresponding first conductive pattern with protection glue-line between first conductive pattern at it.
Therein among embodiment; described conducting bridge also comprises the portion of running through that is positioned at the bridge part two ends; the degree of depth that the described portion of running through embeds described protection glue-line embeds the degree of depth of described protection glue-line greater than described bridge part, and described bridge part is electrically connected two second conductive patterns of the described first conductive pattern both sides by the described portion of running through.
Among embodiment, each described portion of running through is electrically connected at least two conductive threads of corresponding second conductive pattern therein.
Among embodiment, a side of each described first conductive pattern is arranged with second conductive pattern of at least two spaces, the described second conductive pattern mutually insulated of each first conductive pattern both sides therein.
Among embodiment, described first conductive pattern is provided with first contact conductor of the described diaphragm substrate edge of guiding therein, and described second conductive pattern is provided with second contact conductor of the described diaphragm substrate edge of guiding.
Among embodiment, described first contact conductor and second contact conductor are conductive grid or the single bundle solid conductor that is embedded in the described conductive layer therein.
Among embodiment, described first contact conductor and second contact conductor are the single bundle solid conductor that is formed at described conductive surface therein.
A kind of touch display screen comprises the TFT electrode, Liquid Crystal Module, public electrode, above-described optical filter module, the polaroid that stack gradually.
Above-mentioned optical filter module and using in the touch display screen of this optical filter module, the optical filter module can realize touch control operation and filtering functions simultaneously, combination as indispensable two assemblies in the display screen, when being used for display screen, can directly make display screen have touch controllable function, need not to assemble a touch-screen at display screen again, not only be conducive to reduce the thickness of electronic product, also saved material and assembly cost simultaneously greatly.
Description of drawings
Fig. 1 is the structural representation of the touch display screen of an embodiment;
Fig. 2 is the structural representation of the optical filter module of an embodiment;
Fig. 3 is the structural representation of the protective seam of an embodiment;
Fig. 4 is the structural representation at another visual angle of protective seam shown in Figure 3;
Fig. 5 is the structural representation of protective seam in another embodiment;
Fig. 6 is the structural representation of protective seam in the another embodiment;
Fig. 7 is that conductive thread projects to structural representation on the light filter substrate in the embodiment;
Fig. 8 projects to structural representation on the light filter substrate for conductive thread in another embodiment;
Fig. 9 projects to structural representation on the light filter substrate for conductive thread in another embodiment;
Figure 10 projects to structural representation on the light filter substrate for conductive thread in another embodiment.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar improvement under the situation of intension of the present invention, so the present invention is not subjected to the restriction of following public concrete enforcement.
Need to prove that when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be to be directly connected to another element or may to have element placed in the middle simultaneously.
Unless otherwise defined, the employed all technology of this paper are identical with the implication that belongs to those skilled in the art's common sense of the present invention with scientific terminology.Employed term is not intended to be restriction the present invention just in order to describe the purpose of specific embodiment in instructions of the present invention herein.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
The present invention proposes to be conducive to reduce the optical filter module of electronic product thickness and production cost and the touch display screen of this optical filter of use.This optical filter module can realize touch operation and Presentation Function, thereby makes touch display screen have the touch Presentation Function.
Seeing also Fig. 1, is the touch display screen 100 of an embodiment, comprises following polaroid 10, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, the optical filter module 200 that stacks gradually and goes up polaroid 50.
Be appreciated that when using backlight as polarized light source as the OLED polarized light source, need not down polaroid 10, only needing upward, polaroid 50 gets final product.Structure and the function of the following polaroid 10 of present embodiment, TFT electrode 20, Liquid Crystal Module 30, public electrode 40, last polaroid 50 can be identical with existing product, do not repeat them here.
But touch display screen 100 has tangible operation and filtering functions simultaneously, makes display screen have the touch Presentation Function.Display screen can be straight-down negative or the former LCDs of side following formula light.
Following emphasis is described optical filter module 200.
See also Fig. 2 and Fig. 3, the optical filter module 200 in the embodiment comprises filter layer 210 and protective seam 220, and protective seam 220 is attached at filter layer 210, and protective seam 220 is near public electrode 40 1 sides, and filter layer 210 is near last polaroid 50 1 sides.Wherein, filter layer 210 comprises light filter substrate 212, is located at light shielding part 2124 and a plurality of filter unit of described light filter substrate 212, and described a plurality of filter units form optical filtering portion 2122.Be provided with between described a plurality of filter unit at interval, the interval is filled with shade and forms light shielding part 2124.Certainly, in other embodiment, can also make protective seam 220 near last polaroid 50, filter layer 210 is near public electrode 40 1 sides.
Above-mentioned optical filter module 200; by with the protective seam 220 of light filter substrate 212 belows as carrier; mode on diaphragm substrate 222 surfaces of protective seam 220 by sputter, electroless plating or evaporation conductive material forms conducting film; form conductive layer 224 by exposure-development-etch process again; the conductive layer 224 that forms comprises first conductive pattern 2242 and second conductive pattern 2244; thereby form the capacitive sensing structure, make optical filter module 200 can realize touch control operation and filtering functions simultaneously.When above-mentioned optical filter module 200 is applied to display screen, can directly be that display screen has touch controllable function, need not to assemble a touch-screen at display screen again, not only be conducive to reduce the thickness of electronic product, also save material and assembly cost greatly.
In present embodiment, described light shielding part 2124 is lattice-shaped, comprise some cross one another gridlines, described gridline is located in the interval between the described filter unit, described gridline forms some grid cells, each filter unit is contained in the corresponding grid cell, and a plurality of filter units form optical filtering portion 2122.Light shielding part 2124 is that black out ink, shading resin or shading coating form, and has opaqueness.Grid cell is square in the lattice-shaped that forms, and makes the photoresistance of optical filtering portion 2122 arrange compacter.The size of grid is consistent, is conducive to the RGB colour developing evenly.Light shielding part can effectively be avoided chromatic photoresist colour contamination each other.Grid cell in the lattice-shaped that forms also can be circular or irregular polygon.
Please consult Fig. 2 again, in present embodiment, conductive thread a must aim at light shielding part 2124, namely aims at gridline, that is to say when conductive thread a projects on the light filter substrate 212, overlaps with gridline, does not exceed the width of gridline.Because in the plated film conductive layer 224 that graphical etched mode forms again, the live width of conductive thread a is generally 20~30 μ m, so can't satisfy visual transparent.Light shielding part 2124 is formed on the gridline, mainly is made of in black out ink, shading resin or the shading coating any one, has opaqueness.So conductive thread a is set to aim at light shielding part 2124, guarantees the light transmission of optical filter module 200, and then guarantee the colour rendering of display screen.Protection glue-line 226 is coated conductive layer 224 and diaphragm substrate 222 surfaces, and conductive layer 224 is shielded.
In present embodiment, the live width of the conductive thread of described conductive grid is not more than the gridline live width of described light shielding part.At this moment, the conductive thread of conductive grid is hidden by light shielding part fully, the colour rendering of the further light transmission of optical filter, and then assurance display screen.Because blocking of gridline, line thickness and transparent range of choice are bigger in the conductive thread, and the elasticity of product requirement is bigger, is conducive to reduce the technological requirement of conductive grid moulding, further to reduce production costs.
In present embodiment, conductive grid can be rule or conductive grid at random.Described conductive thread a is curve, straight line or broken line.When conductive grid is at random conductive grid, can avoid producing serious Moire fringe, improve user's experience sense.Conductive thread a can have any shape, and has reduced production requirement, when conductive thread a is curve or broken line, also can avoid serious Moire fringe simultaneously, further improves user's experience sense.
See also Fig. 7 and Fig. 9, in present embodiment, the projection of each described conductive grid on described light filter substrate 212 accommodates a filter unit.Light shielding part 2124 is lattice-shaped, is optical filtering portion 2122 in the grid cell, and gridline is light shielding part 2124.Also namely when conductive grid projects on the light filter substrate 212, the corresponding conductive grid of each grid cell, the gridline of the corresponding grid cell of the conductive thread of a conductive grid, the conductive thread a of conductive grid can be straight line.Because each grid is to there being a conductive grid, so the density of conductive grid is bigger, electric conductivity is better.
Certainly, see also Fig. 8 and Figure 10, in other embodiment, each described conductive grid projection on described light filter substrate accommodates at least two filter units.The conductive thread a of conductive grid can be curve or broken line.At this moment, the density of conductive grid reduces, and is conducive to increase the penetrability of optical filter module.
Certainly, in other embodiment, the quantity of described grid cell is the integral multiple of described conductive grid quantity.The corresponding grid cell of a conductive grid can appear this moment simultaneously, the situation of at least two grid cells of a conductive grid correspondence, and the conductive thread a of conductive grid can be curve or broken line.At this moment, the density of conductive grid reduces, and is conducive to increase the penetrability of optical filter module.
See also Fig. 2, Fig. 4 and Fig. 7~Figure 10, in present embodiment, described optical filtering portion 2122 comprises chromatic photoresist, is formed with a chromatic photoresist in each grid.That chromatic photoresist is generally is red (red, R) photoresistance, it is green that (green, G) (blue, B) photoresistance are used for making incident light be transformed into monochromatic light, realize filtering functions for photoresistance or indigo plant.
See also Fig. 3 and Fig. 4; can also comprise conducting bridge 2240; first conductive pattern 2242 is between conducting bridge 2240 and diaphragm substrate 222; the two ends of each described conducting bridge 2240 are electrically connected on two second conductive patterns 2244 of described first conductive pattern 2242 both sides respectively, and insulation between described conducting bridge 2240 and described first conductive pattern 2242.
In present embodiment, described conducting bridge 2240 is transparent conductive material, and the conducting bridge 2240 of formation is on the surface of conductive layer 224, and conducting bridge 2240 is formed by conductive thread a cross connection, is conducive to increase the penetrability of conductive layer 224.The two ends of conducting bridge 2240 are connected to second conductive pattern 2244 of first conductive pattern, 2242 both sides, and be provided with transparent insulating layer between first conductive pattern 2242 and second conductive pattern 2244, so that first conductive pattern 2242 and second conductive pattern, 2244 mutually insulateds, the touch display screen of formation individual layer multipoint configuration.
In other embodiment, conducting bridge 2240 can also be embedded in the protection glue-line 226.The thickness of described protection glue-line 226 is greater than the thickness of described conductive layer 224, and described conducting bridge 2240 is embedded at described protection glue-line 226 away from a side of described diaphragm substrate 222.Described conducting bridge 2240 comprises the latticed bridge part that is formed by the conductive thread cross connection; the two ends of described bridge part are connected to two second conductive patterns 2244 of described first conductive pattern 2242 both sides, and described bridge part is by insulating with corresponding first conductive pattern 2242 with protection glue-line 226 between first conductive pattern 2242 at it.
See also Fig. 5; in other embodiment; described conducting bridge 2240 also comprises the portion of the running through I that is positioned at the bridge part two ends; described bridge part II insulate by the part of described protection glue-line 226 between described bridge part II and described first conductive pattern 2242 and described first conductive pattern 2242 spaces at the thickness direction of described diaphragm substrate 222; the described portion's I that runs through runs through protection glue-line 226, connects two second conductive patterns 2244 of described first conductive pattern 2242 both sides.
In present embodiment, each is described to run through at least two conductive threads that portion's I is connected in corresponding second conductive pattern 2244.If wherein conductive thread fracture, but the still conducting of another conductive thread to guarantee the electrically validity of overlap joint, avoids two second conductive patterns 2244 of first conductive pattern, 2242 both sides not to be electrically connected.
In other embodiment, can also form induction structure by other means.See also Fig. 6, conductive layer 224 comprises first conductive pattern 2242 and second conductive pattern 2244, one side of each described first conductive pattern 2242 is arranged with second conductive pattern 2244 of at least two spaces, described second conductive pattern, 2244 mutually insulateds of each first conductive pattern, 2242 both sides.Save the bridging step, simplified the making flow process.
In present embodiment, described first conductive pattern 2242 is provided with first contact conductor 2246 at the described diaphragm substrate of guiding 222 edges, and described second conductive pattern 2244 is provided with second contact conductor 2248 at the described diaphragm substrate of guiding 222 edges.First contact conductor 2246 and second contact conductor 2248 all can be formed at conductive layer 224 by the mode of printing.Described first contact conductor 2246 and second contact conductor 2248 are conductive grid or the single bundle solid conductor that is embedded in the described protection glue-line 226.First contact conductor 2246 and second contact conductor 2248 all can be single bundle solid conductor or the mesh lines that is made of conductive thread.When first contact conductor 2246 and second contact conductor 2248 are single bundle solid conductor, must be that light shielding part 2124 is aimed at gridline, namely first contact conductor 2246 and second contact conductor 2248 must be in the gridline live widths in the projection on the light filter substrate 212.When first contact conductor 2246 and second contact conductor 2248 are conductive grid, conductive thread a can the alignment grid ruling be light shielding part 2124, also can the misalignment gridline, during the misalignment gridline, the live width scope of conductive thread a can be 500nm~5 μ m, to guarantee that first contact conductor 2246 and second contact conductor 2248 are visually-clear.
Contact conductor in the conductive pattern is network, carry out blade coating when being convenient to the filled conductive material, more easy being retained wherein of conductive material do not blown off, simultaneously, for nanometer silver paste, when sintering, can not produce agglomeration effect and produce the ping-pong ball that scatters and cause 2248 fractures of second contact conductor.
In other embodiment, described first contact conductor 2246 and second contact conductor 2248 are the single bundle solid conductor that is formed at described conductive layer 224.When first contact conductor 2246 and second contact conductor 22648 are single bundle solid conductor, must be that light shielding part 2124 is aimed at gridline, namely first contact conductor 2246 and second contact conductor 2248 must be in the gridline live widths in the projection on the light filter substrate 212.
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 (16)
1. optical filter module comprises it is characterized in that filter layer and the protective seam of stacked setting,
Described filter layer comprises light filter substrate, is located at light shielding part and a plurality of filter unit of described light filter substrate, is provided with between described a plurality of filter units at interval, and described a plurality of filter units form optical filtering portion, and described light shielding part is formed at the interval;
Described protective seam comprises the diaphragm substrate; be attached to the on-chip conductive layer of described diaphragm and protection glue-line; described conductive layer is embedded at described protection glue-line near described diaphragm substrate one side; described conductive layer is by being attached to the on-chip conductive material gridding of described diaphragm gained; comprise first conductive pattern and second conductive pattern; described first conductive pattern and second conductive pattern space on the plane of described light filter substrate extension direction forms induction structure; described first conductive pattern and described second conductive pattern include the conductive grid that is made of some conductive threads, and described conductive thread is aimed at described light shielding part.
2. optical filter module according to claim 1, it is characterized in that, described light shielding part is lattice-shaped, comprise some cross one another gridlines, described gridline is located in the interval between the described filter unit, described gridline forms some grid cells, and each filter unit is contained in the corresponding grid cell.
3. optical filter module according to claim 2 is characterized in that, the live width of the conductive thread of described conductive grid is not more than the gridline live width of described light shielding part.
4. optical filter module according to claim 3 is characterized in that, described conductive thread is curve, straight line or broken line.
5. optical filter module according to claim 4 is characterized in that, each described conductive grid projection on described light filter substrate accommodates a filter unit.
6. optical filter module according to claim 4 is characterized in that, each described conductive grid projection on described light filter substrate accommodates at least two filter units.
7. according to any described optical filter module in the claim 1 to 6; it is characterized in that; also comprise conducting bridge; described first conductive pattern is between described conducting bridge and described diaphragm substrate; the two ends of each described conducting bridge are electrically connected on two second conductive patterns of described first conductive pattern both sides respectively, and insulate between described conducting bridge and described first conductive pattern.
8. optical filter module according to claim 7 is characterized in that, described conducting bridge is transparent conductive material, is provided with transparent insulation course between described conducting bridge and described first conductive pattern.
9. optical filter module according to claim 7; it is characterized in that; the thickness of described protection glue-line is greater than the thickness of described conductive layer; described conducting bridge is embedded at described protection glue-line away from a side of described diaphragm substrate; described conducting bridge comprises the latticed bridge part that is formed by the conductive thread cross connection; the two ends of described bridge part are electrically connected on two second conductive patterns of the described first conductive pattern both sides respectively, and described bridge part is by insulating with corresponding first conductive pattern with protection glue-line between first conductive pattern at it.
10. optical filter module according to claim 9; it is characterized in that; described conducting bridge also comprises the portion of running through that is positioned at the bridge part two ends; the degree of depth that the described portion of running through embeds described protection glue-line embeds the degree of depth of described protection glue-line greater than described bridge part, and described bridge part is electrically connected two second conductive patterns of the described first conductive pattern both sides by the described portion of running through.
11. optical filter module according to claim 10 is characterized in that, each described portion of running through is electrically connected at least two conductive threads of corresponding second conductive pattern.
12. according to any described optical filter module in the claim 1 to 6, it is characterized in that, one side of each described first conductive pattern is arranged with second conductive pattern of at least two spaces, the described second conductive pattern mutually insulated of each first conductive pattern both sides.
13. optical filter module according to claim 1 is characterized in that, described first conductive pattern is provided with first contact conductor of the described diaphragm substrate edge of guiding, and described second conductive pattern is provided with second contact conductor of the described diaphragm substrate edge of guiding.
14. optical filter module according to claim 13 is characterized in that, described first contact conductor and second contact conductor are conductive grid or the single bundle solid conductor that is embedded in the described conductive layer.
15. optical filter module according to claim 14 is characterized in that, described first contact conductor and second contact conductor are the single bundle solid conductor that is formed at described conductive surface.
16. a touch display screen is characterized in that, comprises the TFT electrode that stacks gradually, Liquid Crystal Module, public electrode, as any described optical filter module, polaroid among the claim 1-15.
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CN 201310131437 CN103257744A (en) | 2013-04-16 | 2013-04-16 | Optical filter module and touch display screen with same |
CN201320464048.9U CN203386174U (en) | 2013-04-16 | 2013-07-31 | Optical filter module and touch display screen comprising optical filter module |
CN201310329191.1A CN103365478B (en) | 2013-04-16 | 2013-07-31 | Optical filter module and use the touch display screen of this optical filter module |
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CN201320464048.9U Expired - Fee Related CN203386174U (en) | 2013-04-16 | 2013-07-31 | Optical filter module and touch display screen comprising optical filter module |
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CN104850295A (en) * | 2015-05-08 | 2015-08-19 | 业成光电(深圳)有限公司 | Touch control display device and color filter substrate |
CN112750554A (en) * | 2019-10-29 | 2021-05-04 | 昇印光电(昆山)股份有限公司 | Conductive film |
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CN104978552A (en) * | 2014-04-08 | 2015-10-14 | 南昌欧菲生物识别技术有限公司 | Fingerprint identification device and electronic equipment including it |
CN106557193A (en) * | 2015-09-30 | 2017-04-05 | 南昌欧菲光科技有限公司 | Touch display unit |
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US7924269B2 (en) * | 2005-01-04 | 2011-04-12 | Tpo Displays Corp. | Display devices and methods forming the same |
CN101441347B (en) * | 2008-12-23 | 2010-09-01 | 友达光电股份有限公司 | Colorful filtering touch control substrate and display panel and method for manufacturing the same |
CN201402357Y (en) * | 2009-03-13 | 2010-02-10 | 宸鸿光电科技股份有限公司 | Liquid crystal display panel structure with capacitance type touch control panel |
KR101799031B1 (en) * | 2010-08-09 | 2017-12-21 | 삼성디스플레이 주식회사 | Liquid crystal display including touch sensor layer and method thereof |
JP5513308B2 (en) * | 2010-08-19 | 2014-06-04 | 株式会社ジャパンディスプレイ | Display device with touch detection function and electronic device |
-
2013
- 2013-04-16 CN CN 201310131437 patent/CN103257744A/en active Pending
- 2013-07-31 CN CN201310329191.1A patent/CN103365478B/en not_active Expired - Fee Related
- 2013-07-31 CN CN201320464048.9U patent/CN203386174U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104850295A (en) * | 2015-05-08 | 2015-08-19 | 业成光电(深圳)有限公司 | Touch control display device and color filter substrate |
CN104850295B (en) * | 2015-05-08 | 2018-02-06 | 业成光电(深圳)有限公司 | Touch control display apparatus and colored filter substrate |
CN112750554A (en) * | 2019-10-29 | 2021-05-04 | 昇印光电(昆山)股份有限公司 | Conductive film |
CN112750554B (en) * | 2019-10-29 | 2022-10-04 | 昇印光电(昆山)股份有限公司 | Conductive film |
Also Published As
Publication number | Publication date |
---|---|
CN203386174U (en) | 2014-01-08 |
CN103365478B (en) | 2016-06-08 |
CN103365478A (en) | 2013-10-23 |
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