CN203366274U - Polarized-light filter module and touch display screen - Google Patents
Polarized-light filter module and touch display screen Download PDFInfo
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- CN203366274U CN203366274U CN 201320401224 CN201320401224U CN203366274U CN 203366274 U CN203366274 U CN 203366274U CN 201320401224 CN201320401224 CN 201320401224 CN 201320401224 U CN201320401224 U CN 201320401224U CN 203366274 U CN203366274 U CN 203366274U
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Abstract
The utility model discloses a polarized-light filter module which comprises a polaroid assembly and a light filter assembly. The polaroid assembly comprises a polaroid and a first conductive layer arranged on one side of the polaroid, the light filter assembly comprises a transparent base, a filter layer and a second conductive layer, and the filter layer and the second conductive layer are arranged on the same side of the transparent base. The polarized-light filter module can achieve the touch operation, the polarized light function and the filter function at the same time, and be used as an indispensable assembly of a display screen, when used in the display screen, the polarized-light filter module can directly enable the display screen to have the touch function, a touch screen is not required to be assembled on the display screen, the thickness of an electronic product is reduced, and meanwhile the materials and the assembly cost are greatly saved. In addition, the utility model further provides the touch display screen.
Description
Technical field
The utility model relates to display technique field, plane, particularly relates to a kind of polarisation optical filtering module and touch display screen.
Background technology
Touch-screen is the inductive arrangement that can receive the input signals such as touch.Touch-screen has given information interaction brand-new looks, is extremely attractive brand-new information interaction equipment.The development of touch screen technology has caused the common concern of domestic and international information medium circle, has become the Chaoyang new high-tech industry that the photoelectricity industry is a dark horse.
At present, having the electronic product that touches Presentation Function includes display screen and is positioned at the touch-screen on display screen.Touch-screen as with display screen assembly independently, when for some, realizing the electronic product of man-machine interaction, all need to be ordered according to the size of display screen, assembled again afterwards, to form touch display screen, but touch display screen can have touch control operation and Presentation Function simultaneously.The assembling of existing touch-screen and display screen mainly contains two kinds of modes, and frame pastes and full laminating.It is by the laminating of the edge of touch-screen and display screen that frame pastes, and full laminating is by whole laminating of the upper surface of the lower surface of touch-screen and display screen.
Traditional display screen mainly comprises polaroid, optical filter box, Liquid Crystal Module and TFT(Thin Film Transistor, thin film transistor (TFT)), there is larger thickness, and while continuing to fit touch-screen on display screen, will further increase the thickness of touch display screen.
The utility model content
Based on this, be necessary to provide a kind of polarisation optical filtering module and touch display screen that reduces to reduce electronic product thickness.
A kind of polarisation optical filtering module comprises: the polaroid assembly, comprise polaroid and the first transparent conductive layer, and described the first conductive layer is arranged at described polaroid one side, and described the first conductive layer comprises a plurality of the first conductive units that arrange along the first direction parallel interval; Optical filter box, comprise transparent substrates, and be positioned at filter layer and second conductive layer of described transparent substrates the same side, described filter layer comprises light shielding part and filter unit, described light shielding part is intersected to form mutually by gridline, and described gridline intersects to form a plurality of grid cells mutually; Described filter unit comprises a plurality of filter units, and each described filter unit is contained in a corresponding described grid cell; Described the second conductive layer comprises a plurality of the second conductive units that arrange along the second direction parallel interval, and each described second conductive unit intersects to form latticed by conductive thread mutually; Described first direction and second direction are not parallel to each other, and described the first conductive unit and the second conductive unit insulate at thickness direction; The conductive thread of described the second conductive layer all falls within on described gridline in the projection of described filter layer.
In embodiment, the conductive thread of described the second conductive layer and described gridline are wide therein.
In embodiment, the interval width of two adjacent described the first conductive units is 0.5 micron～50 microns therein, and the interval width of two adjacent described the second conductive units is 0.5 micron～50 microns.
In embodiment, the conductive thread of described the second conductive layer intersects to form grid node mutually therein, and the conductive thread live width of described the second conductive layer is 0.2 micron～5 microns, and the distance of adjacent two grid nodes is 50 microns～500 microns.
Therein in embodiment, described the second conductive layer be arranged at described light shielding part away from a side of described transparent substrates or be arranged at described light shielding part and described transparent substrates between.
Therein in embodiment, the conductive layer that described the first conductive layer is the tin indium oxide material.The conductive thread of described the second conductive layer is at least one in metal simple-substance line, metal alloy wire, carbon nano tube line, Graphene line, organic conductive macromolecule line or indium oxide solder.
In embodiment, described transparent substrates is substrate of glass therein.
In embodiment, described polarisation optical filtering module also comprises substratum transparent therein, and described transparent substrates is bonding by described substratum transparent and described polaroid assembly away from a side of described filter layer and the second conductive layer.
A kind of touch display screen, comprise TFT electrode, Liquid Crystal Module and above-mentioned any one polarisation optical filtering module of stacking gradually.
Above-mentioned polarisation optical filtering module and touch display screen, polarisation optical filtering module can realize touch operation, polarized light function and filtering functions simultaneously, as an indispensable assembly in display screen, during for display screen, can directly make display screen there is touch controllable function, without assemble again touch-screen on display screen, not only be conducive to reduce the thickness of electronic product, also greatly saved material and assembly cost simultaneously.
The accompanying drawing explanation
The structural drawing that Fig. 1 is polarisation optical filtering module in an embodiment;
The structural drawing that Fig. 2 is polaroid assembly and the first conductive layer in an embodiment;
The structural drawing that Fig. 3 is optical filter box and the second conductive layer in an embodiment;
The structural drawing that Fig. 4 is optical filter box and the second conductive layer in another embodiment;
The structural drawing that Fig. 5 is polarisation optical filtering module in another embodiment;
The structural drawing that Fig. 6 is polarisation optical filtering module in another embodiment;
The structural drawing that Fig. 7 is polarisation optical filtering module in another embodiment.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.A lot of details have been set forth in the following description so that fully understand the utility model.But the utility model can be implemented much to be different from alternate manner described here, those skilled in the art can be in the situation that do similar improvement without prejudice to the utility model intension, so the utility model is not subject to the restriction of following public concrete enforcement.
It should be noted that, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.
Unless otherwise defined, all technology that this paper is used are identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term used in instructions of the present utility model herein, just in order to describe the purpose of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
A kind of polarisation optical filtering module, as shown in Figures 1 to 4, comprise polaroid assembly 100 and optical filter box 200.
Polaroid assembly 100 comprises polaroid 110 and the first transparent conductive layer 120, the first conductive layer 120 is arranged at polaroid 110 1 sides, the first conductive layer 120 comprises a plurality of the first conductive units 122 that arrange along the first direction parallel interval, the first conductive unit 122 is transparent list structure, can reduce task difficulty.The first conductive unit 122 can obtain by etch processes.
First direction and second direction are not parallel to each other, and the first conductive unit 122 and the second conductive unit 232 form Inductance and Capacitance in the thickness direction insulation.The conductive thread of the second conductive layer 230 falls within on gridline in the projection of filter layer 220, avoids conductive thread to be exposed to filter unit 224 and affects bright dipping and the appearance effect of filter unit 224.
In the present embodiment, the first conductive layer 120 can be the conductive layer of tin indium oxide (ITO) material, also can adopt other conductive materials in other embodiments, as long as meet transparent.The conductive thread of the second conductive layer 230 can be at least one in metal simple-substance line, metal alloy wire, carbon nano tube line, Graphene line, organic conductive macromolecule line or ITO line.In the present embodiment, the conductive thread of the second conductive layer 230 is the metal simple-substance line, and for example silver-colored line, can improve electric conductivity.The interval width of two adjacent the first conductive units 122 can be 0.5 micron to 50 microns, and the interval width of two adjacent the second conductive units 232 also can be 0.5 micron to 50 microns.
Therein in embodiment, the conductive thread of the second conductive layer 230 intersects to form grid node mutually, the conductive thread live width of the second conductive layer 230 is 0.2 micron～5 microns, and adjacent two grid nodes the distance be 50 microns～500 microns, to guarantee the second conductive layer 230 visually-clear., can further avoid conductive thread to be exposed to filter unit 224 and affect bright dipping and the appearance effect of filter unit 224 when the projection of filter layer 220 falls within on gridline when the conductive thread of the second conductive layer 230.
The first conductive layer 120 specifically can pass through to be coated with or the plating conductive layer in polaroid 110 1 sides, then prepared by etched mode.
Therein in embodiment, the gridline of the conductive thread of the second conductive layer 230 and light shielding part 222 is wide, as shown in Figure 3 and Figure 4, the second conductive layer 230 can adopt equally and be coated with or the plating conductive layer, again prepared by etched mode, when the gridline of the conductive thread of making the second conductive layer 230 and light shielding part 222, can adopt same mask plate exposure, etching to make, without being aimed at, reduced task difficulty.Be appreciated that the conductive thread width of the second conductive layer 230 also can be less than the gridline width of light shielding part 222.
The second conductive layer 230 can be arranged at the side of light shielding part 222 away from transparent substrates 210, as shown in Fig. 1, Fig. 3 and Fig. 6.The second conductive layer 230 also can be arranged between light shielding part 222 and transparent substrates 210, as shown in Fig. 4, Fig. 5 and Fig. 7.
In embodiment, polarisation optical filtering module also can comprise substratum transparent (not shown in accompanying drawing) therein, and transparent substrates 210 is bonding by substratum transparent and polaroid assembly 100 away from a side of filter layer 220 and the second conductive layer 230.Particularly, transparent substrates 210 can be the side bonds away from the first conductive layer 120 by substratum transparent and polaroid 110, as shown in Figure 1 and Figure 5, can be also that a side bonds of the first conductive layer 120 is set by substratum transparent and polaroid 110, as shown in Figure 6 and Figure 7.Be appreciated that in other embodiments, polarisation optical filtering module also can not comprise substratum transparent, and transparent substrates 210 is connected with polaroid assembly 100 by other means.
Below wherein several embodiment of polarisation optical filtering module making method is elaborated.
The polarisation optical filtering module that there is the touch control operation function as shown in Fig. 1 and Fig. 6, the first conductive layer 120 passes through to be coated with/plating layer of transparent conductive material, then obtains through etching; The second conductive layer 230 is covered in the surface of light shielding part 222 away from transparent substrates 210 1 sides, and light shielding part 222 is while being complete grid, and its manufacturing process is as follows:
(1) at whole of the surface plating layer of transparent conductive material of polaroid 110 or be coated with the layer of transparent conductive ink and solidify that (conductive material or conductive ink can be Graphene, electrically conducting transparent macromolecular material, nano metal line ink or ITO etc., solidify after-vision transparent.The present embodiment plating one deck ITO), form conductive layer.
(2) be coated with the first photoresist layer, utilize first mask plate corresponding with the conductive pattern of the first conductive layer 120 to be exposed, develop again the first photoresist layer, only on conductive layer, cover the photoresist corresponding with the conductive pattern of the first conductive layer 120, other local photoresist is removed.
(3) utilize lithographic technique to carry out etching to conductive layer, obtain the first conductive unit separate, insulation, thereby obtain the polaroid assembly 100 with the first conductive layer 120.
(4) at first carry out the Plasma(plasma process on a surface of transparent substrates 210) process, remove the dirty of transparent substrates 210 surfaces, and make surface ion, increase follow-up and cohesive force other material.
(5) photoresist with black dyes in the painting/plating of whole of the above-mentioned treated surface of transparent substrates 210, obtain initial light shield layer.
(6) (conductive material or conductive ink can be metal simple-substance, metal alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO to plate conductive material or painting one deck conductive ink on whole of initial light shield layer surface.The present embodiment is argent), obtain conductive layer.
(7) be coated with the second photoresist layer, utilize second mask plate corresponding with the gridline pattern of light shielding part 222 to be exposed, develop again the second photoresist layer, only on conductive layer, cover the photoresist consistent with the gridline pattern of light shielding part 222, other local photoresist is removed.
(8) utilize lithographic technique to carry out etching to conductive layer, obtain initial second conductive layer consistent with the gridline pattern of light shielding part 222 (now the conductive thread of initial the second conductive layer is complete, the processing of breaking).
(9) utilize lithographic technique to carry out etching to initial light shield layer, obtain light shielding part 222.Because be all to utilize the second photoresist layer to do mask layer during to conductive layer and initial light shield layer etching, so the gridline pattern of the conductive pattern of initial the second conductive layer and light shielding part 222 is consistent.
(10) at the gridline pattern with light shielding part 222, consistent initial the second conductive layer surface is coated with the 3rd photoresist layer again, with the 3rd supporting mask plate of the conductive pattern with the second conductive layer 230 broken string position, the 3rd photoresist layer is exposed, developed, initial the second conductive layer regional photoresist that need to break is removed.
(11) utilize lithographic technique again to carry out etching to initial the second conductive layer, the break conductive material of location of needs is etched away, form the second conductive unit separate, insulation, obtain the second conductive layer 230.
(12) plate/coat the R/G/B filter unit in the corresponding region gradation again, thereby obtain the optical filter box 200 with the second conductive layer 230.
(13) will be bondd by transparent adhesive and be solidified with the polaroid assembly 100 of the first conductive layer 120 with the optical filter box 200 of the second conductive layer 230, be obtained having the polarisation optical filtering module of touch control operation function.
Continuation, with reference to Fig. 1 and Fig. 6, has the polarisation optical filtering module of touch control operation function, and the first conductive layer 120 passes through to be coated with/plating layer of transparent conductive material, then obtains through etching; The second conductive layer 230 is covered in the surface of light shielding part 222 away from transparent substrates 210 1 sides, and the gridline pattern of light shielding part 222 is consistent with the conductive pattern of the second conductive layer 230, also breaks while processing, and its manufacturing process is as follows:
(1) at whole of the surface plating layer of transparent conductive material of polaroid 110 or be coated with the layer of transparent conductive ink and solidify that (conductive material or conductive ink can be Graphene, electrically conducting transparent macromolecular material, nano metal line ink or ITO etc., solidify after-vision transparent.The present embodiment plating one deck ITO), form conductive layer.
(2) be coated with the first photoresist layer, utilize first mask plate corresponding with the conductive pattern of the first conductive layer 120 to be exposed, develop again the first photoresist layer, only on conductive layer, cover the photoresist corresponding with the conductive pattern of the first conductive layer 120, other local photoresist is removed.
(3) utilize lithographic technique to carry out etching to conductive layer, obtain the first conductive unit separate, insulation, thereby obtain the polaroid assembly 100 with the first conductive layer 120.
(4) at first carry out the Plasma processing on a surface of transparent substrates 210, remove the dirty of transparent substrates 210 surfaces, and make surface ion, increase follow-up and cohesive force other material.
(5) photoresist with black dyes in the painting/plating of whole of the above-mentioned treated surface of transparent substrates 210, obtain initial light shield layer.
(6) (conductive material or conductive ink can be metal simple-substance, metal alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO to plate conductive material or painting one deck conductive ink on whole of initial light shield layer surface.The present embodiment is argent), obtain conductive layer.
(7) be coated with the second photoresist layer, utilize second mask plate corresponding with the conductive pattern of the second conductive layer 230 to be exposed, develop again the second photoresist layer, only on conductive layer, cover the photoresist consistent with the conductive pattern shape of the second conductive layer 230, other local photoresist is removed (comprising the broken string zone).
(8) utilize lithographic technique to carry out etching to conductive layer, form the second conductive unit separate, insulation, obtain the second conductive layer 230.
(9) utilize lithographic technique to carry out etching to initial light shield layer, obtain the light shielding part consistent with the conductive pattern of the second conductive layer 230 222.Because utilize same photoresist layer to do mask layer when conductive layer is carried out to etching with initial light shield layer, light shielding part 222 also carried out to broken string and processed.
(10) plate/coat the R/G/B filter unit in the corresponding region gradation again, thereby obtain the optical filter box 200 with the second conductive layer 230.
(11) will be bondd by transparent adhesive and be solidified with the polaroid assembly 100 of the first conductive layer 120 with the optical filter box 200 of the second conductive layer 230, be obtained having the polarisation optical filtering module of touch control operation function.
The polarisation optical filtering module with touch control operation function as shown in Fig. 5 and Fig. 7, the first conductive layer 120 passes through to be coated with/plating layer of transparent conductive material, then obtains through etching; The second conductive layer 230 is covered between light shielding part 222 and transparent substrates 210, and the gridline pattern of light shielding part 222 is consistent with the conductive pattern of the second conductive layer 230, also breaks while processing, and its manufacturing process is as follows:
(1) at whole of the surface plating layer of transparent conductive material of polaroid 110 or be coated with the layer of transparent conductive ink and solidify that (conductive material or conductive ink can be Graphene, electrically conducting transparent macromolecular material, nano metal line ink or ITO etc., solidify after-vision transparent.The present embodiment plating one deck ITO), form conductive layer.
(2) coating photoresist layer, utilize first mask plate corresponding with the conductive pattern of the first conductive layer 120 to be exposed, develop again photoresist layer, only on conductive layer, cover the photoresist corresponding with the conductive pattern of the first conductive layer 120, other local photoresist is removed.
(3) utilize lithographic technique to carry out etching to conductive layer, obtain the first conductive unit separate, insulation, thereby obtain the polaroid assembly 100 with the first conductive layer 120.
(4) at first carry out the Plasma processing on a surface of transparent substrates 210, remove the dirty of transparent substrates 210 surfaces, and make surface ion, increase follow-up and cohesive force other material.
(5) whole the plating conductive material or be coated with one deck conductive ink (conductive material or conductive ink can be metal simple-substance, metal alloy, carbon nano-tube, Graphene, organic conductive macromolecule or ITO on the above-mentioned treated surface of transparent substrates 210.The present embodiment is argent), obtain conductive layer.
(6) photoresist with black dyes in whole painting/plating of conductive layer surface, obtain initial light shield layer.
(7) utilize second mask plate corresponding with the conductive pattern of the second conductive layer 230 to be exposed, develop initial light shield layer, carry out again etching, (now light shielding part has carried out the broken string processing to obtain the light shielding part consistent with the conductive pattern shape of the second conductive layer 230, because while forming the second conductive layer be, using light shielding part to carry out etching as mask layer, if light shielding part is not broken, processing can not blocked conductive layer, can make the conductive layer processing of can't breaking).
(8) utilize lithographic technique to carry out etching to conductive layer, form the second conductive unit separate, insulation, obtain the second conductive layer 230.
(9) plate/coat the R/G/B filter unit in the corresponding region gradation again, thereby obtain the optical filter box 200 with the second conductive layer 230.
(10) will be bondd by transparent adhesive and be solidified with the polaroid assembly 100 of the first conductive layer 120 with the optical filter box 200 of the second conductive layer 230, be obtained having the polarisation optical filtering module of touch control operation function.
Above-mentioned polarisation optical filtering module, can realize touch operation, polarized light function and filtering functions simultaneously, as an indispensable assembly in display screen, during for display screen, can directly make display screen there is touch controllable function, without assemble again touch-screen on display screen, not only be conducive to reduce the thickness of electronic product, also greatly saved material and assembly cost simultaneously.
The material that the second conductive layer 230 is selected only expands all suitable conductive materials to transparent material by tradition; When conductive material is selected metal material, the energy consumption that can greatly reduce resistance and reduce touch-screen.
The above-mentioned polarisation optical filtering module with touch controllable function is double-deck conductive structure, without the design of putting up a bridge, greatly reduces task difficulty.Adopt above-mentioned polarisation optical filtering module, can reduce the signal interference of liquid crystal display (Liquid Crystal Display, LCD) to the touch-control effect.
In addition, the utility model also provides a kind of touch display screen, can be the LCDs of straight-down negative or side entering type light source.Touch display screen comprises TFT electrode, Liquid Crystal Module and the above-mentioned polarisation optical filtering module stacked gradually.Because polarisation optical filtering module has touch operation, polarized light function and filtering functions simultaneously, make touch display screen there is the touch Presentation Function.Not only be conducive to reduce the thickness of electronic product, also greatly saved material and assembly cost simultaneously.Be appreciated that for to use backlight be polarized light source, as OLED(Organic Light-Emitting Diode, Organic Light Emitting Diode) polarized light source, without lower polaroid, only need the polarisation module in above-mentioned polarisation optical filtering module to get final product.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. a polarisation optical filtering module, is characterized in that, comprising:
The polaroid assembly, comprise polaroid and the first transparent conductive layer, and described the first conductive layer is arranged at described polaroid one side, and described the first conductive layer comprises a plurality of the first conductive units that arrange along the first direction parallel interval;
Optical filter box, comprise transparent substrates, and be positioned at filter layer and second conductive layer of described transparent substrates the same side, described filter layer comprises light shielding part and filter unit, described light shielding part is intersected to form mutually by gridline, and described gridline intersects to form a plurality of grid cells mutually; Described filter unit comprises a plurality of filter units, and each described filter unit is contained in a corresponding described grid cell; Described the second conductive layer comprises a plurality of the second conductive units that arrange along the second direction parallel interval, and each described second conductive unit intersects to form latticed by conductive thread mutually;
Described first direction and second direction are not parallel to each other, and described the first conductive unit and the second conductive unit insulate at thickness direction; The conductive thread of described the second conductive layer all falls within on described gridline in the projection of described filter layer.
2. polarisation optical filtering module according to claim 1, is characterized in that, the conductive thread of described the second conductive layer and described gridline are wide.
3. polarisation optical filtering module according to claim 1, is characterized in that, the interval width of two adjacent described the first conductive units is 0.5 micron～50 microns, and the interval width of two adjacent described the second conductive units is 0.5 micron～50 microns.
4. polarisation optical filtering module according to claim 1, it is characterized in that, the conductive thread of described the second conductive layer intersects to form grid node mutually, and the conductive thread live width of described the second conductive layer is 0.2 micron～5 microns, and the distance of adjacent two grid nodes is 50 microns～500 microns.
5. polarisation optical filtering module according to claim 1, is characterized in that, described the second conductive layer be arranged at described light shielding part away from a side of described transparent substrates or be arranged at described light shielding part and described transparent substrates between.
6. polarisation optical filtering module according to claim 1, it is characterized in that, the conductive layer that described the first conductive layer is the tin indium oxide material, the conductive thread of described the second conductive layer is at least one in metal simple-substance line, metal alloy wire, carbon nano tube line, Graphene line, organic conductive macromolecule line or indium oxide solder.
7. polarisation optical filtering module according to claim 1, is characterized in that, described transparent substrates is substrate of glass.
8. polarisation optical filtering module according to claim 1, is characterized in that, also comprises substratum transparent, and described transparent substrates is bonding by described substratum transparent and described polaroid assembly away from a side of described filter layer and the second conductive layer.
9. a touch display screen, is characterized in that, comprises the TFT electrode that stacks gradually, Liquid Crystal Module and polarisation optical filtering module as claimed in any of claims 1 to 8 in one of claims.
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| CN 201320401224 CN203366274U (en) | 2013-07-05 | 2013-07-05 | Polarized-light filter module and touch display screen |
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| CN 201320401224 CN203366274U (en) | 2013-07-05 | 2013-07-05 | Polarized-light filter module and touch display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035643A (en) * | 2014-06-18 | 2014-09-10 | 深圳莱宝高科技股份有限公司 | Touch display panel and manufacturing method thereof |
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| CN104035643A (en) * | 2014-06-18 | 2014-09-10 | 深圳莱宝高科技股份有限公司 | Touch display panel and manufacturing method thereof |
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Effective date of registration: 20170705 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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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20180705 |