CN201222102Y - Optical diffusion film and liquid crystal display device using the same - Google Patents
Optical diffusion film and liquid crystal display device using the same Download PDFInfo
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- CN201222102Y CN201222102Y CNU2008201213113U CN200820121311U CN201222102Y CN 201222102 Y CN201222102 Y CN 201222102Y CN U2008201213113 U CNU2008201213113 U CN U2008201213113U CN 200820121311 U CN200820121311 U CN 200820121311U CN 201222102 Y CN201222102 Y CN 201222102Y
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- diffusion
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- transparency carrier
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- 238000009792 diffusion process Methods 0.000 title claims abstract description 110
- 230000003287 optical effect Effects 0.000 title claims abstract description 43
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 75
- 238000000576 coating method Methods 0.000 claims abstract description 75
- 239000002245 particle Substances 0.000 claims abstract description 64
- 239000012749 thinning agent Substances 0.000 claims abstract description 16
- 239000012780 transparent material Substances 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 33
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 8
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 8
- 239000003085 diluting agent Substances 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 4
- 239000012994 photoredox catalyst Substances 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000758 substrate Substances 0.000 abstract 5
- 239000010408 film Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model discloses an optical diffusion film, which comprises a transparent substrate and an upper diffusion coating equipped with upper diffusion particles. The optical diffusion film is characterized in that the transparent substrate is made of optical transparent materials of which the refractive index is 1.4-1.75, the upper diffusion particles which are mutually contacted closely are distributed on the surface of the transparent substrate, diffusion print and thinning agents are mixed to prepare thinning print, the upper diffusion coating is produced by coating the thinning print on the surface of the transparent substrate, after the thinning agent volatilizes, the thickness of the upper diffusion coating is 1/2-7/8 of the largest physical dimension when the upper diffusion particles are perpendicular to the transparent substrate. The utility model has the advantages that the thickness of the optical diffusion film after forming film can be strictly controlled in the range of 1/2-7/8 of the largest physical dimension of the upper diffusion particles, thereby efficiently increasing the light gathering power of the diffusion film. Further, a liquid crystal display device which is applied to the optical diffusion film is relatively low in component quantity and relatively high in optical evenness and brightness.
Description
Technical field
The utility model relates to a kind of optical thin film, especially relates to a kind of optical diffusion membrane and uses the liquid crystal indicator of this optical diffusion membrane.
Background technology
Optical diffusion membrane is widely used in liquid crystal indicator, and advertising lamp box, lighting, mobile communication equipment button etc. need on the device of light source so that even illumination to be provided.Existing application mostly is in the optical diffusion membrane of liquid crystal indicator and adopts figuratum organic film of single belt that the calendering technology produces and the multilayer film that adopt application pattern to produce, and wherein adopts the scattering particle that contains different size in the overlay of the multilayer film that application pattern produces.Fig. 1 is the structural representation of the optical diffusion membrane produced of traditional employing application pattern, and this optical diffusion membrane mainly comprises transparency carrier 10, last overlay 20 and go up scattering particle 40 and following overlay 30 reach under scattering particle 50.The optical diffusion membrane that traditional employing application pattern is produced mainly relies on the scattering particle of random scatter in the overlay and different size that the incident ray that enters in the coating is carried out abundant scattering, so that the direction stochastic distribution of emergent ray, thereby make the inhomogeneous light field homogenising of incident, and the flaw of film lower back optical mode set of pieces is hidden.Simultaneously, because the top of some larger-size particles protrudes in coating surface, formation has the curved surface 21 of certain optically focused effect to light, thereby makes this kind optical diffusion sheet have certain light gathering.Liquid crystal indicator fast-developing and in the widespread use of mobile communication equipment demonstration, laptop computer displays, desktop computer display and large scale liquid crystal TV in recent years, performance requirement to optical diffusion membrane in the display device improves day by day, how to improve brightness effectively and illumination uniformity becomes the major issue that people need solve.
Summary of the invention
Technical problem to be solved in the utility model provides the liquid crystal indicator that a kind of the utility model can effectively improve the optical diffusion membrane of optics uniformity coefficient and brightness and use this optical diffusion membrane.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of optical diffusion membrane, comprise transparency carrier and the last diffusion coating that is provided with diffusion particle, described transparency carrier is that 1.4～1.75 optically transparent material is made by refractive index, described upward diffusion particle closely contacts each other and is distributed on the described transparency carrier surface, the described diffusion coating of going up is prepared into apply on described transparency carrier surface behind the dilution coating by diffusion coating and mixing diluents and forms, described go up diffusion coating the thicknesses of layers of described thinning agent volatilization back formation be described on diffusion particle perpendicular to 1/2～7/8 of the biggest size of element of described transparency carrier.
Described transparency carrier is by a kind of the making among glass, PET, PC, PMMA and the PS, described diffusion coating is a kind of in esters of acrylic acid, polyurethanes, the silicone based or organic multicomponent alcohols, and described thinning agent is one or more the potpourri in ethyl acetate, butyl acetate, acetone, water, toluene, dimethylbenzene, butanone, cyclohexanone, ethanol, isopropyl alcohol and the butanols.
The described diffusion particle of going up comprises macroparticle and small-particle, the biggest size of element of described macroparticle is 1～100 micron, the biggest size of element of described small-particle is 0.1～50 micron, the physical dimension that described macroparticle is parallel to described transparency carrier surface direction is 2: 1～100: 1 with the ratio that described small-particle is parallel to the physical dimension of described transparency carrier surface direction, and described macroparticle and described small-particle are spaced.
The described diffusion particle of going up is shaped as sphere or spheroid shape.
The lower surface of described transparency carrier is provided with the anti-bonding coating with pattern structure, be provided with anti-bonding particle in the described anti-bonding coating, described anti-bonding particle does not contact mutually and disperses to be arranged on the lower surface of described transparency carrier, and the shared area sum of described anti-bonding particle prevents that with described the ratio of the area of bonding coating is 1/1000～1/100.
A kind of liquid crystal indicator, comprise a light source assembly, liquid crystal panel assembly and a slice optical diffusion membrane at least, described optical diffusion membrane comprises transparency carrier and is provided with the last diffusion coating of diffusion particle, it is characterized in that described transparency carrier is that 1.4～1.75 optically transparent material is made by refractive index, described upward diffusion particle closely contacts each other and is distributed on the described transparency carrier surface, the described diffusion coating of going up is prepared into apply on described transparency carrier surface behind the dilution coating by diffusion coating and mixing diluents and forms, described go up diffusion coating the thicknesses of layers of described thinning agent volatilization back formation be described on diffusion particle perpendicular to 1/2～7/8 of the biggest size of element of described transparency carrier.
Described transparency carrier is by a kind of the making among glass, PET, PC, PMMA and the PS, described diffusion coating is a kind of in esters of acrylic acid, polyurethanes, the silicone based or organic multicomponent alcohols, and described thinning agent is one or more the potpourri in ethyl acetate, butyl acetate, acetone, water, toluene, dimethylbenzene, butanone, cyclohexanone, ethanol, isopropyl alcohol and the butanols.
The lower surface of described transparency carrier is provided with the anti-bonding coating with pattern structure, be provided with anti-bonding particle in the described anti-bonding coating, described anti-bonding particle does not contact mutually and disperses to be arranged on the lower surface of described transparency carrier, and the shared area sum of described anti-bonding particle prevents that with described the ratio of the area of bonding coating is 1/1000～1/100.
Described light source assembly comprises light source, light guide plate and reflector plate, and described light source is arranged on the side of described light guide plate, and described light source is at least a in cold-cathode fluorescence lamp, external electrode fluorescent lamp, light emitting diode and the hot-cathode fluorescent lamp.
Described light source assembly comprises light source, diffuser plate and reflecting plate, described light source is arranged between described diffuser plate and the described reflecting plate, and described light source is at least a in cold-cathode fluorescence lamp, external electrode fluorescent lamp, light emitting diode and the hot-cathode fluorescent lamp.
Compared with prior art, advantage of the present utility model is by being controlled at the quality of thinning agent in the diffusion coating preparation process, when thinning agent volatilization and after making the diffusion coating film forming, its thickness strictly is controlled in 1/2～7/8 the scope of diffusion particle perpendicular to the biggest size of element of transparency carrier, thereby improved the light gathering of diffusion film effectively, we learn by comparative experiments, in this thickness range, brightness is in a higher level, and cross the situation that brightness when thin or blocked up all is decline, this reason wherein is, if rete is blocked up, it is less that then the particle behind the film-forming protrudes in the part of coating, can cause spotlight effect a little less than; And cross when thin when rete, diffusion particle is difficult for forming close-packed structure, thereby produces light leakage phenomena, and finally causes the brightness of diffusion barrier material and the reduction of transmittance.Use the liquid crystal indicator of optical diffusion membrane of the present utility model, it has less combine component quantity, and has higher optics uniformity coefficient and brightness.
Description of drawings
Fig. 1 is the diagrammatic cross-section of the optical diffusion membrane of prior art;
Fig. 2 is the diagrammatic cross-section of the optical diffusion membrane of the utility model embodiment one;
Fig. 3 is the utility model embodiment two diagrammatic cross-sections;
Fig. 4 is the liquid crystal indicator structural representation of the utility model embodiment three;
Fig. 5 is the liquid crystal indicator structural representation of the utility model embodiment four;
Fig. 6 is the liquid crystal indicator structural representation of the utility model embodiment five.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment one: as shown in Figure 2, optical diffusion membrane 100 comprises a transparency carrier 110, a last diffusion coating 120 that includes sphere or elliposoidal macroparticle 140 and sphere or elliposoidal small-particle 150, macroparticle 140 closely contacts distribution each other with small-particle 150 in the last diffusion coating 120, the biggest size of element of macroparticle 140 is 10 microns, the biggest size of element of small-particle 150 is 0.1 micron, the average geometric size that macroparticle 140 is parallel to transparency carrier 110 surface direction is 100: 1 with the ratio that small-particle 150 is parallel to the average geometric size of transparency carrier 110 surface direction, transparency carrier 110 is made by PMMA, last diffusion coating 120 is prepared into to apply on transparency carrier 110 surfaces behind the dilution coating by diffusion coating and mixing diluents and forms, diffusion coating is acrylate, thinning agent is an ethyl acetate, the thinning agent addition was 30% of a coating gross mass when diffusion coating prepared, thickness before last diffusion coating 120 film forming equals in the diffusion coating 120 macroparticle 140 perpendicular to the biggest size of element of transparency carrier 110, thickness after last diffusion coating 120 film forming be in the last diffusion coating 120 macroparticle 140 perpendicular to 3/4 of the maximum geometric diameter of transparency carrier 110, exposed particle is formed with the lens arrangement of spotlight effect, the light 170 that transmits from below is assembled to the center, the lower surface of transparency carrier 110 is provided with the anti-bonding coating 130 with pattern structure, be provided with anti-bonding particle 160 in the anti-bonding coating 130, anti-bonding particle 160 does not contact mutually and disperses to be arranged on the lower surface of transparency carrier 110, and the shared area sum of anti-bonding particle 160 is 1/500 with the ratio of the area of anti-bonding coating 130.
Embodiment two: as shown in Figure 3, the same with embodiment one, optical diffusion membrane 200 comprises a transparency carrier 210, a last diffusion coating 220 that includes sphere or elliposoidal macroparticle 240 and sphere or elliposoidal small-particle 250, macroparticle 240 closely contacts distribution each other with small-particle 250 in the last diffusion coating 220, the biggest size of element of macroparticle 240 is 100 microns, the biggest size of element of small-particle 250 is 50 microns, the average geometric size that macroparticle 240 is parallel to transparency carrier 210 surface direction is 2: 1 with the ratio that small-particle 250 is parallel to the average geometric size of transparency carrier 210 surface direction, transparency carrier 210 is made by PMMA, last diffusion coating 220 is prepared into to apply on transparency carrier 210 surfaces behind the dilution coating by diffusion coating and mixing diluents and forms, diffusion coating is acrylate, thinning agent is an ethyl acetate, the thinning agent addition was 70% of a coating gross mass when diffusion coating prepared, thickness before last diffusion coating 220 film forming be in the last diffusion coating 220 macroparticle 240 perpendicular to 3 times of the biggest size of element of transparency carrier 210, thickness after last diffusion coating 220 film forming be in the last diffusion coating 220 macroparticle 240 perpendicular to 1/2 of the maximum geometric diameter of transparency carrier 210, exposed particle is formed with the lens arrangement of spotlight effect, the light 270 that transmits from below is assembled to the center, the lower surface of transparency carrier 210 is provided with the anti-bonding coating 230 with pattern structure, be provided with anti-bonding particle 260 in the anti-bonding coating 230, anti-bonding particle 260 does not contact mutually and disperses to be arranged on the lower surface of transparency carrier 210, and the shared area sum of anti-bonding particle 260 is 1/100 with the ratio of the area of anti-bonding coating 230.
Embodiment three: as shown in Figure 4, be applied to the example of laptop computer displays for using two-layer optical diffusion membrane.Wherein 410 is fluorescent tube, and 420 is the high-level efficiency reflector plate, and 430 is the transparent light guide plate in the laptop computer displays, and 440 is optical diffusion membrane, and 450 is display panels.
Embodiment four: as shown in Figure 5, use the example of desktop computer display for using two-layer optical diffusion membrane.Wherein, 410 is fluorescent tube, and 420 is the high-level efficiency reflector plate, and 460 is the light guide plate in the desktop computer display, and 440 is optical diffusion membrane, and 450 is display panels.
Embodiment five: as shown in Figure 6, do not use two-layer above optical diffusion membrane to be applied to the example of lcd tv display.Wherein, 410 is fluorescent tube, and 420 is the high-level efficiency reflector plate, and 470 is the diffuser plate in the LCD TV, and 440 is optical diffusion membrane, and 450 is display panels.
Claims (10)
1, a kind of optical diffusion membrane, comprise transparency carrier and the last diffusion coating that is provided with diffusion particle, it is characterized in that described transparency carrier is that 1.4～1.75 optically transparent material is made by refractive index, described upward diffusion particle closely contacts each other and is distributed on the described transparency carrier surface, the described diffusion coating of going up is prepared into apply on described transparency carrier surface behind the dilution coating by diffusion coating and mixing diluents and forms, described go up diffusion coating the thicknesses of layers of described thinning agent volatilization back formation be described on diffusion particle perpendicular to 1/2～7/8 of the biggest size of element of described transparency carrier.
2, a kind of optical diffusion membrane as claimed in claim 1, it is characterized in that described transparency carrier is by a kind of the making among glass, PET, PC, PMMA and the PS, described diffusion coating is a kind of in esters of acrylic acid, polyurethanes, the silicone based or organic multicomponent alcohols, and described thinning agent is one or more the potpourri in ethyl acetate, butyl acetate, acetone, water, toluene, dimethylbenzene, butanone, cyclohexanone, ethanol, isopropyl alcohol and the butanols.
3, a kind of optical diffusion membrane as claimed in claim 1, it is characterized in that the described diffusion particle of going up comprises macroparticle and small-particle, the biggest size of element of described macroparticle is 1～100 micron, the biggest size of element of described small-particle is 0.1～50 micron, the physical dimension that described macroparticle is parallel to described transparency carrier surface direction is 2: 1～100: 1 with the ratio that described small-particle is parallel to the physical dimension of described transparency carrier surface direction, and described macroparticle and described small-particle are spaced.
4, a kind of optical diffusion membrane as claimed in claim 1 is characterized in that the described diffusion particle of going up is shaped as sphere or spheroid shape.
5, as the described a kind of optical diffusion membrane of each claim in the claim 1～4, the lower surface that it is characterized in that described transparency carrier is provided with the anti-bonding coating with pattern structure, be provided with anti-bonding particle in the described anti-bonding coating, described anti-bonding particle does not contact mutually and disperses to be arranged on the lower surface of described transparency carrier, and the shared area sum of described anti-bonding particle prevents that with described the ratio of the area of bonding coating is 1/1000～1/100.
6, a kind of liquid crystal indicator, comprise a light source assembly, liquid crystal panel assembly and a slice optical diffusion membrane at least, described optical diffusion membrane comprises transparency carrier and is provided with the last diffusion coating of diffusion particle, it is characterized in that described transparency carrier is that 1.4～1.75 optically transparent material is made by refractive index, described upward diffusion particle closely contacts each other and is distributed on the described transparency carrier surface, the described diffusion coating of going up is prepared into apply on described transparency carrier surface behind the dilution coating by diffusion coating and mixing diluents and forms, described go up diffusion coating the thicknesses of layers of described thinning agent volatilization back formation be described on diffusion particle perpendicular to 1/2～7/8 of the biggest size of element of described transparency carrier.
7, liquid crystal indicator as claimed in claim 6, it is characterized in that described transparency carrier is by a kind of the making among glass, PET, PC, PMMA and the PS, described diffusion coating is a kind of in esters of acrylic acid, polyurethanes, the silicone based or organic multicomponent alcohols, and described thinning agent is one or more the potpourri in ethyl acetate, butyl acetate, acetone, water, toluene, dimethylbenzene, butanone, cyclohexanone, ethanol, isopropyl alcohol and the butanols.
8, as claim 6 or 7 described liquid crystal indicators, the lower surface that it is characterized in that described transparency carrier is provided with the anti-bonding coating with pattern structure, be provided with anti-bonding particle in the described anti-bonding coating, described anti-bonding particle does not contact mutually and disperses to be arranged on the lower surface of described transparency carrier, and the shared area sum of described anti-bonding particle prevents that with described the ratio of the area of bonding coating is 1/1000～1/100.
9, liquid crystal indicator as claimed in claim 6, it is characterized in that described light source assembly comprises light source, light guide plate and reflector plate, described light source is arranged on the side of described light guide plate, and described light source is at least a in cold-cathode fluorescence lamp, external electrode fluorescent lamp, light emitting diode and the hot-cathode fluorescent lamp.
10, liquid crystal indicator as claimed in claim 6, it is characterized in that described light source assembly comprises light source, diffuser plate and reflecting plate, described light source is arranged between described diffuser plate and the described reflecting plate, and described light source is at least a in cold-cathode fluorescence lamp, external electrode fluorescent lamp, light emitting diode and the hot-cathode fluorescent lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201213113U CN201222102Y (en) | 2008-07-14 | 2008-07-14 | Optical diffusion film and liquid crystal display device using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201213113U CN201222102Y (en) | 2008-07-14 | 2008-07-14 | Optical diffusion film and liquid crystal display device using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201222102Y true CN201222102Y (en) | 2009-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201213113U Expired - Lifetime CN201222102Y (en) | 2008-07-14 | 2008-07-14 | Optical diffusion film and liquid crystal display device using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201222102Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681053A (en) * | 2012-04-16 | 2012-09-19 | 浙江元泰特种膜有限公司 | Photoelectric diffusion film and process for manufacturing same |
| CN107179606A (en) * | 2016-03-09 | 2017-09-19 | 三星显示有限公司 | head-mounted display apparatus |
-
2008
- 2008-07-14 CN CNU2008201213113U patent/CN201222102Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681053A (en) * | 2012-04-16 | 2012-09-19 | 浙江元泰特种膜有限公司 | Photoelectric diffusion film and process for manufacturing same |
| CN107179606A (en) * | 2016-03-09 | 2017-09-19 | 三星显示有限公司 | head-mounted display apparatus |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO EXCITON NEW MATERIAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NINGBO HIGH-TECH ZONES JIZHI TECHNOLOGY CO.,LTD |
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| CP01 | Change in the name or title of a patent holder |
Address after: 315040, D, No. 75, Hai Lu, hi tech Zone, Zhejiang, Ningbo Patentee after: NINGBO EXCITON NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 315040, D, No. 75, Hai Lu, hi tech Zone, Zhejiang, Ningbo Patentee before: Ningbo ExcitonTechnology Co.,Ltd. |
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| C56 | Change in the name or address of the patentee |
Owner name: NINGBO JIZHI TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NINGBO EXCITON NEW MATERIAL TECHNOLOGY CO., LTD. Owner name: NINGBO EXCITON NEW MATERIAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NINGBO HIGH-TECH ZONES JIZHI TECHNOLOGY CO.,LTD |
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| CP01 | Change in the name or title of a patent holder |
Address after: 315040, D, No. 75, Hai Lu, hi tech Zone, Zhejiang, Ningbo Patentee after: Ningbo Exciton Technology Co.,Ltd. Address before: 315040, D, No. 75, Hai Lu, hi tech Zone, Zhejiang, Ningbo Patentee before: NINGBO EXCITON NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: 315040, D, No. 75, Hai Lu, hi tech Zone, Zhejiang, Ningbo Patentee after: NINGBO EXCITON NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 315040, D, No. 75, Hai Lu, hi tech Zone, Zhejiang, Ningbo Patentee before: Ningbo ExcitonTechnology Co.,Ltd. |
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| CU03 | Publication of corrected utility model |
Correction item: Announcement content Correct: Revoke the content of the announcement False: Before the change, the name or address of the patent owner is: Ningbo hi tech Zone, Zhi Zhi Technology Co., Ltd.|315040, D, No. 75, Hai Lu, hi tech Zone, Zhejiang, Ningbo|After the change, the name or address of the patent holder: Ningbo Xin Zhi Xin Mstar Technology Ltd|315040, D, No. 75, Hai Lu, hi tech Zone, Zhejiang, Ningbo Number: 38 Volume: 29 |
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| ERR | Gazette correction |
Free format text: CORRECT: ANNOUNCEMENT CONTENT; FROM: BEFORE CHANGE PATENTEE NAME OR DESIGNATION OF, ADDRESS: NINGBO HIGH-TECH ZONES JIZHI TECHNOLOGY CO.,LTD;315040 NINGBO, ZHEJIANG PROVINCE; PATENTEE AFTER CHANGE NAME OR DESIGNATION OF, ADDRESS: NINGBO EXCITON NEW MATERIAL TECHNOLOGY CO., LTD.;315040 NINGBO, ZHEJIANG PROVINCE TO: REVOCATION OF NOTICE CONTENT |
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Address after: 315040, No. 9, Jingyuan Road, hi tech Zone, Zhejiang, Ningbo Patentee after: Ningbo Exciton Technology Co.,Ltd. Address before: 315040, D, No. 75, Hai Lu, hi tech Zone, Zhejiang, Ningbo Patentee before: Ningbo Exciton Technology Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20090415 |
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| CX01 | Expiry of patent term |