CN114236655A - Multilayer co-extrusion structure diffusion plate and application and preparation method thereof - Google Patents
Multilayer co-extrusion structure diffusion plate and application and preparation method thereof Download PDFInfo
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- CN114236655A CN114236655A CN202111236445.6A CN202111236445A CN114236655A CN 114236655 A CN114236655 A CN 114236655A CN 202111236445 A CN202111236445 A CN 202111236445A CN 114236655 A CN114236655 A CN 114236655A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0247—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of voids or pores
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Abstract
The invention discloses a multilayer co-extrusion structure diffusion plate which comprises an upper protection layer, a middle optical layer group and a lower protection layer, wherein the middle optical layer group is arranged between the upper protection layer and the lower protection layer, first optical grains for improving light diffusion are arranged on one side, away from the middle optical layer group, of the upper protection layer, second optical grains are arranged on one side, away from the middle optical layer group, of the lower protection layer, the middle optical layer group comprises a structure layer, a foaming layer and a quantum dot layer, and a plurality of cavities are formed in the foaming layer. The invention provides a multilayer co-extrusion structure diffusion plate which has higher brightness, integrates high light-adding diffusion color gamut, high shielding performance and high optical uniformity, and can meet the requirements of the novel display field. The invention also provides an application of the multilayer co-extrusion structure diffusion plate. The invention also provides a preparation method of the multilayer co-extrusion structure diffusion plate.
Description
Technical Field
The invention relates to the technical field of optical diffusion, in particular to a multilayer co-extrusion structure diffusion plate and an application and preparation method thereof.
Background
The light source, the light guide plate, the diffusion plate, the reflection sheet and the optical film form a backlight source of the liquid crystal display. When the light emitted by the liquid crystal display panel irradiates on the liquid crystal display panel, the light can upwards penetrate through the lower polarizing plate, and the light can be converted into the polarization direction according to the mechanism of the different liquid crystal display panels. Then the light contacts the color filter to generate color, and finally enters the upper polaroid. After the polarization direction is converted by the liquid crystal, part of light can be emitted, and part of light can be absorbed. Each pixel on the whole liquid crystal panel can determine the intensity of the emergent light respectively. Thereby generating an image.
In the existing diffusion plate, the function is single, light is mainly interfered by the diffusion plate, and the light beam angle can be changed into a set angle by passing through the diffusion plate regardless of the degree of the originally designed light distribution curve, so that the angle of the light beam can be changed. With the rapid development of liquid crystal displays, the brightness required by the development that the existing diffusion plate cannot, and when the existing diffusion plate is used in combination with other optical films, the diffusion plate and the optical films are separately produced, so that the production process is complicated, the automatic production is not easy to realize, and the assembly efficiency is affected.
Disclosure of Invention
The invention aims to provide a multilayer co-extrusion structure diffusion plate, and an application and a preparation method thereof, wherein the diffusion plate has higher brightness, integrates high light-adding diffusion color gamut, high shielding property and high optical uniformity, can meet the requirements of a novel display field, and improves the production efficiency by improving the processing technology to replace the original structure assembly mode of the diffusion plate and an optical film.
The invention discloses a multilayer co-extrusion structure diffuser plate and an application and preparation method thereof, and adopts the technical scheme that:
the utility model provides a multilayer is crowded structure diffuser plate altogether, includes upper protective layer, middle optical layer group and lower protective layer, middle optical layer group sets up between upper protective layer and lower protective layer, upper protective layer keeps away from middle optical layer group one side and is equipped with the first optical line that improves light diffusion, lower protective layer keeps away from middle optical layer group one side and is equipped with second optical line, middle optical layer group includes structural layer, foaming layer and quantum dot layer, just the inside a plurality of cavity that is equipped with of foaming layer.
As a preferred scheme, the structural layer comprises the following raw materials in percentage by mass: 90-99% of plastic raw material, 0.01-1% of stabilizing agent, 0.1-3% of organic silicon, 0.1-3% of inorganic dispersing agent, 0.1-3% of dispersing oil, 0.1-2% of styrene-butadiene copolymer and 0.1-6% of magnesium silicate mineral.
As a preferred scheme, the quantum dot layer comprises the following raw materials in percentage by mass: 90-99% of plastic raw material, 0.01-1% of stabilizing agent, 0.1-3% of organic silicon, 0.1-3% of inorganic dispersing agent, 0.1-3% of dispersing oil, 0.1-2% of styrene-butadiene copolymer, 0.1-6% of magnesium silicate mineral, 0.01-1% of quantum dot and 0.2-5% of titanium dioxide.
Preferably, the foaming layer comprises the following raw materials in percentage by mass: 95-99% of GPPS raw material, 0.3-0.6% of antioxidant, 0.6-1% of organosilicon diffusant, 0.5-2% of foaming agent, 0.3-0.6% of UV resistance, 0.5-2% of flexibilizer, 0.3-0.6% of stabilizer and 1-5% of nucleating agent.
As a preferred scheme, the upper protective layer and the lower protective layer are made of the same raw materials in proportion, and the upper protective layer comprises the following raw materials in percentage by mass: 90-99% of plastic raw material, 0.01-1% of stabilizing agent, 0.1-3% of organic silicon, 0.1-3% of inorganic dispersing agent, 0.1-3% of dispersing oil, 0.1-2% of styrene-butadiene copolymer and 0.1-6% of magnesium silicate mineral.
Preferably, the intermediate optical layer group further comprises a plurality of transition layers, the transition layers are used for transition bonding between any two layers of the upper protective layer, the structural layer, the foaming layer, the quantum dot layer and the lower protective layer, and the transition layers are made of polymers of MS or MP, PMMA and PS.
As preferred scheme, first optics line is that a plurality of edges or dull polish column structure constitute, second optics line is that a plurality of edges or dull polish column structure constitute, the edges becomes V style of calligraphy structure, just the top of edges becomes circular-arcly.
Preferably, the structure layer, the quantum dot layer, the foaming layer, the upper protection layer and the lower protection layer are all added with a PS heat-resistant agent, and the PS heat-resistant agent comprises the following components in percentage by mass: 0.1 to 3 percent.
The utility model provides an application of above-mentioned multilayer is crowded structure diffuser plate altogether, multilayer is crowded structure diffuser plate altogether and is applied to novel demonstration, photoelectric lighting, and car shows interconnection, meeting education shows, display screens such as flat advertisement.
The preparation method of the multilayer co-extrusion structure diffusion plate is characterized by comprising the following steps:
preparing raw materials of an upper protective layer, a structural layer, a quantum dot layer, a foaming layer and a lower protective layer;
respectively and uniformly mixing the prepared raw materials of the upper protective layer, the structure layer, the quantum dot layer, the foaming layer and the lower protective layer;
respectively adding the mixed raw materials into screw extrusion equipment for heating to form a molten state;
extruding through the combination of the upper protective layer, the structural layer, the quantum dot layer, the foaming layer and the lower protective layer of a die head of the screw extrusion equipment to form a multilayer composite structure;
the die head is provided with a first mesh roller and a second mesh roller, the first mesh roller and the second mesh roller are arranged up and down, the surface of the upper protective layer is provided with first optical grains through the first mesh roller, the surface of the lower protective layer is provided with second optical grains through the second mesh roller, and a plurality of cooling rollers are used for cooling and shaping subsequently.
The invention discloses a diffusion plate with a multilayer co-extrusion structure, which has the beneficial effects that: the utility model discloses a multilayer coextrusion structure diffuser plate, including upper protective layer, lower protective layer, foaming layer and quantum dot layer, be equipped with first optical line and second optical line respectively with the function board combination stack of multiple difference together, play the protection to middle optical layer group through upper protective layer and lower protective layer, and upper protective layer and lower protective layer surface are equipped with first optical line and second optical line respectively, can play better refraction effect with jeting into of light, light passes middle optical layer group's structural layer, foaming layer and quantum dot layer, it makes multilayer coextrusion structure diffuser plate have higher luminance to improve middle optical layer group, and collect and increase the light diffusion and improve the colour gamut, it is as an organic whole with the optics homogeneity to improve the shielding nature, and satisfy the demand of customer's automatic equipment.
Drawings
FIG. 1 is a schematic structural diagram of a diffuser plate with a multilayer co-extrusion structure according to embodiment 1 of the present invention.
FIG. 2 is a schematic structural diagram of a diffuser plate with a multilayer co-extrusion structure according to an embodiment 2 of the present invention.
FIG. 3 is a process flow diagram of a multi-layer co-extruded diffuser plate according to the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the embodiments and drawings of the specification:
the utility model provides a multilayer is crowded structure diffuser plate altogether, includes upper protective layer 10, middle optical layer group 20 and lower protective layer 30, middle optical layer group 20 sets up between upper protective layer 10 and lower protective layer 30, and upper protective layer 10 is kept away from middle optical layer group 20 one side and is equipped with the first optical line 11 that improves light diffusion, and lower protective layer 30 is kept away from middle optical layer group 20 one side and is equipped with second optical line 31, and middle optical layer group 20 includes structural layer 21, foaming layer 22 and quantum dot layer 23, and foaming layer 22 is inside to be equipped with a plurality of cavity 221.
The combination of the function board of multiple difference is in the same place, play the protection to middle optical layer group 20 through last protective layer 10 and lower protective layer 30, and go up protective layer 10 and lower protective layer 30 surface and be equipped with first optical line 11 and second optical line 31 respectively, can play better refraction effect to inciting into and ejaculating of light, light passes middle optical layer group 20's structural layer 21, foaming layer 22 and quantum dot layer 23, it makes multilayer crowded structure diffuser plate altogether to improve middle optical layer group 20 has higher luminance, and collect and increase light diffusion and improve the colour gamut, it is as an organic whole with the optics homogeneity to improve the shielding, and satisfy the demand of customer's automatic equipment.
The stacking order of the structure layer 21, the foaming layer 22 and the quantum dot layer 23 of the intermediate optical layer group 20 can be arbitrarily combined, for example, the structure layer 21, the foaming layer 22 and the quantum dot layer 23 are sequentially stacked, or the foaming layer 22, the quantum dot layer 23 and the structure layer 21 are sequentially stacked, or other combinations can be used, without affecting the function of the intermediate optical layer group 20.
The structural layer 21 comprises the following raw materials in percentage by mass: 90-99% of plastic raw material, 0.01-1% of stabilizing agent, 0.1-3% of organic silicon, 0.1-3% of inorganic dispersing agent, 0.1-3% of dispersing oil, 0.1-2% of styrene-butadiene copolymer and 0.1-6% of magnesium silicate mineral.
The quantum dot layer 23 comprises the following raw materials in percentage by mass: 90-99% of plastic raw material, 0.01-1% of stabilizing agent, 0.1-3% of organic silicon, 0.1-3% of inorganic dispersing agent, 0.1-3% of dispersing oil, 0.1-2% of styrene-butadiene copolymer, 0.1-6% of magnesium silicate mineral, 0.01-1% of quantum dot and 0.2-5% of titanium dioxide.
And quantum dot layer 23 adopts quantum dot, titanium white powder and other materials are constituteed, through increasing titanium white powder, make the titanium element in the titanium white powder promote the diffusion effect of quantum dot diffuser plate, to the conversion of being strained partial light in original being shaded, the utilization ratio of being shaded has been improved, and through the regulation to titanium and quantum dot raw materials component, can realize the change of the interior quantum dot spectrum of diffuser plate, thereby can match different backlight lamp strips, the applicable flexibility ratio of quantum dot diffuser plate has been strengthened greatly, simultaneously through improving the diffusion effect.
The foaming layer 22 comprises the following raw materials in percentage by mass: 95-99% of GPPS raw material, 0.3-0.6% of antioxidant, 0.6-1% of organosilicon diffusant, 0.5-2% of foaming agent, 0.3-0.6% of UV resistance, 0.5-2% of flexibilizer, 0.3-0.6% of stabilizer and 1-5% of nucleating agent.
The foaming layer 22 is added with the foaming agent, so that a plurality of cavities 221 are formed in the foaming layer 22, and an air medium is arranged in the cavities 221, so that when light enters the foaming layer 22, the light firstly passes through a base material of the foaming layer 22 and then enters the cavities 221, the light is further refracted and reflected, the total reflection of the foaming layer 22 is high, the uniformity is good, and the taste is good, in addition, as the cavities 221 are formed in the foaming layer 22, the density is reduced, the integral weight is also reduced, the organosilicon diffusant plays a role in diffusing, the function of stabilizing the size of bubbles of the foaming agent is played through the nucleating agent, and the function of preventing the foaming layer 22 from yellowing through the antioxidant.
The upper protective layer 10 and the lower protective layer 30 are made of the same raw materials in proportion, and the upper protective layer 10 comprises the following raw materials in percentage by mass: 90-99% of plastic raw material, 0.01-1% of stabilizing agent, 0.1-3% of organic silicon, 0.1-3% of inorganic dispersing agent, 0.1-3% of dispersing oil, 0.1-2% of styrene-butadiene copolymer and 0.1-6% of magnesium silicate mineral.
The plastic raw material comprises one or more of ps, ms, pc, pmma, coc, petg and pe.
The middle optical layer group 20 further comprises a plurality of transition layers 24, the transition layers 24 are used for transition bonding between any two of the upper protective layer 10, the structural layer 21, the foaming layer 22, the quantum dot layer 23 and the lower protective layer 30, and the transition layers 24 are made of MS or polymers of MP, PMMA and PS. Because the plastic raw materials adopted by the upper protection layer 10, the structural layer 21, the foaming layer 22, the quantum dot layer 23 and the lower protection layer 30 are not necessarily the same, when different layers are bonded, the bonding cannot be performed due to the different plastic raw materials, and the layering occurs, so that the two layers can be bonded and fixed by additionally arranging the transition layer 24 between the two layers using different plastic raw materials, and the transition layer 24 can also play a role in preventing the diffusion plate from warping.
Can make the light of incident convert anomalous refraction light from parallel state to compare traditional fixed surface line, cooperate through setting up different lines and improve optical effect, improve people's visual effect.
Referring to fig. 1, in this embodiment 1, an upper protection layer 10, a structural layer 21, a transition layer 24, a foaming layer 22, a quantum dot layer 23, and a lower protection layer 30 are sequentially stacked, and a first optical texture 11 with a rib structure is adopted on the surface of the upper protection layer 10, and a second optical texture 31 with a frosted structure is adopted on the surface of the lower protection layer 30.
Referring to fig. 2, in this embodiment 2, an upper protection layer 10, a transition layer 24, a foaming layer 22, a transition layer 24, a structure layer 21, a quantum dot layer 23, and a lower protection layer 30 are sequentially stacked, and a first optical texture 11 with a frosted structure is adopted on the surface of the upper protection layer 10, and a second optical texture 31 with a rib structure is adopted on the surface of the lower protection layer 30.
PS heat-resistant agent is added in the structural layer 21, the quantum dot layer 23, the foaming layer 22 and the protective layer, and the PS heat-resistant agent comprises the following components in percentage by mass: 0.1 to 3 percent. The PS heat-resistant agent is added to improve the overall heat-resistant performance, and the phenomenon that the multilayer co-extrusion structure diffusion plate deforms due to overhigh temperature when the LED lamp irradiates in the using process is avoided.
When the existing diffusion plate is matched with other optical films to be used, the diffusion plate and the optical films are separately produced, so that the production process is complex, the process is easy to use, and the automation production is difficult to realize.
The utility model provides a multilayer is crowded structure diffuser plate altogether can be applied to novel demonstration, photoelectric lighting, car show interconnection, the display of meeting education, dull and stereotyped advertisement demonstration etc..
Referring to fig. 3, a method for manufacturing the multilayer co-extrusion diffuser plate includes the following steps:
preparing raw materials of a structural layer 21, a quantum dot layer 23, a foaming layer 22 and a protective layer;
uniformly mixing the raw materials of the prepared structure layer 21, quantum dot layer 23, foaming layer 22 and protective layer respectively;
respectively adding the mixed raw materials into screw extrusion equipment for heating to form a molten state;
sequentially extruding the structural layer 21, the quantum dot layer 23, the foaming layer 22 and the protective layer from top to bottom through a die head of a screw extrusion device to form a multi-layer composite structure;
the die head is provided with a first net roller and a second net roller which are arranged up and down, the first net roller forms a first optical texture 11 on the surface of the structural layer 21, and the second net roller forms a second optical texture 31 on the surface of the protective layer.
Through the mode of above-mentioned crowded altogether, convenient and fast more can directly make up the processing with the optical layer of different materials, carries out the integration production, reduces the follow-up process that needs the manual work to make up to adopt the mode of crowded altogether to extrude and to control the thickness between every layer accurately, realize intelligent manufacturing.
The invention provides a multilayer co-extrusion structure diffusion plate and an application and preparation method thereof. Has higher brightness, integrates light enhancement and diffusion to improve color gamut, improves shielding property and optical uniformity, and can meet the requirements of novel display field
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a multilayer is crowded structure diffuser plate altogether, its characterized in that includes upper protective layer, middle optical layer group and lower protective layer, middle optical layer group sets up between upper protective layer and lower protective layer, upper protective layer keeps away from middle optical layer group one side and is equipped with the first optical line that improves light diffusion, lower protective layer is kept away from middle optical layer group one side and is equipped with second optical line, middle optical layer group includes structural layer, foaming layer and quantum dot layer, just the inside a plurality of cavity that is equipped with of foaming layer.
2. The multilayer co-extrusion structure diffusion plate as claimed in claim 1, wherein the structural layer comprises the following raw materials in percentage by mass: 90-99% of plastic raw material, 0.01-1% of stabilizing agent, 0.1-3% of organic silicon, 0.1-3% of inorganic dispersing agent, 0.1-3% of dispersing oil, 0.1-2% of styrene-butadiene copolymer and 0.1-6% of magnesium silicate mineral.
3. The multi-layer co-extrusion structured diffuser plate as claimed in claim 1, wherein the quantum dot layer comprises the following raw materials by mass percent: 90-99% of plastic raw material, 0.01-1% of stabilizing agent, 0.1-3% of organic silicon, 0.1-3% of inorganic dispersing agent, 0.1-3% of dispersing oil, 0.1-2% of styrene-butadiene copolymer, 0.1-6% of magnesium silicate mineral, 0.01-1% of quantum dot and 0.2-5% of titanium dioxide.
4. The multilayer co-extrusion structure diffuser plate according to claim 1, wherein the foaming layer comprises the following raw materials in percentage by mass: 95-99% of GPPS raw material, 0.3-0.6% of antioxidant, 0.6-1% of organosilicon diffusant, 0.5-2% of foaming agent, 0.3-0.6% of UV resistance, 0.5-2% of flexibilizer, 0.3-0.6% of stabilizer and 1-5% of nucleating agent.
5. The multilayer co-extrusion structure diffuser plate as claimed in claim 1, wherein the upper protective layer and the lower protective layer have the same raw material ratio, and the upper protective layer comprises the following raw materials in percentage by mass: 90-99% of plastic raw material, 0.01-1% of stabilizing agent, 0.1-3% of organic silicon, 0.1-3% of inorganic dispersing agent, 0.1-3% of dispersing oil, 0.1-2% of styrene-butadiene copolymer and 0.1-6% of magnesium silicate mineral.
6. The diffuser plate as claimed in claim 1, wherein the middle optical layer set further comprises a plurality of transition layers for transition bonding between any two of the upper protective layer, the structural layer, the foaming layer, the quantum dot layer and the lower protective layer, and the transition layers are made of MS or polymers of MP, PMMA and PS.
7. The diffuser plate as claimed in claim 1, wherein the first optical patterns are formed of a plurality of ribs or frosted structures, the second optical patterns are formed of a plurality of ribs or frosted structures, the ribs are formed of V-shaped structures, and the top of the ribs is formed of arc-shaped.
8. The diffuser plate with a multi-layer co-extrusion structure as claimed in any one of claims 1 to 7, wherein the structural layer, the quantum dot layer, the foaming layer, the upper protection layer and the lower protection layer are all added with PS heat-resistant agent, and the PS heat-resistant agent comprises the following components by mass percent: 0.1 to 3 percent.
9. The use of the diffuser plate of any one of claims 1-7 in a multi-layer co-extrusion structure for display screens such as novelty displays, electro-optical lighting, car display interconnection, conference education displays, flat panel advertising, etc.
10. A method for preparing a multilayer co-extrusion structure diffusion plate according to claim 1, comprising the following steps:
preparing raw materials of an upper protective layer, a structural layer, a quantum dot layer, a foaming layer and a lower protective layer;
respectively and uniformly mixing the prepared raw materials of the upper protective layer, the structure layer, the quantum dot layer, the foaming layer and the lower protective layer;
respectively adding the mixed raw materials into screw extrusion equipment for heating to form a molten state;
extruding through the combination of the upper protective layer, the structural layer, the quantum dot layer, the foaming layer and the lower protective layer of a die head of the screw extrusion equipment to form a multilayer composite structure;
the die head is provided with a first mesh roller and a second mesh roller, the first mesh roller and the second mesh roller are arranged up and down, the surface of the upper protective layer is provided with first optical grains through the first mesh roller, the surface of the lower protective layer is provided with second optical grains through the second mesh roller, and a plurality of cooling rollers are used for cooling and shaping subsequently.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI809826B (en) * | 2022-04-18 | 2023-07-21 | 大陸商廣東瑞捷新材料股份有限公司 | Quantum dot diffusion plate and preparation method thereof |
| EP4296725A1 (en) * | 2022-06-21 | 2023-12-27 | Regency Optics-Electron Corp. | Foam diffuser plate and a manufacturing method thereof |
| EP4296766A1 (en) * | 2022-06-21 | 2023-12-27 | Regency Optics-Electron Corp. | Quantum dot diffuser plate and manufacturing method thereof |
| CN117590505A (en) * | 2023-12-06 | 2024-02-23 | 吕俊 | BOPS optical film forming process, BOPS optical film and backlight module |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765624A (en) * | 2005-10-17 | 2006-05-03 | 杨振宇 | Polyurethane hard foam plastic composite board with elastic bonding transition layer and production method thereof |
| CN101776820A (en) * | 2009-07-24 | 2010-07-14 | 苏州奥美光学材料有限公司 | Light diffusion plate for straight-down-type backlight LCD |
| CN101961940A (en) * | 2009-06-04 | 2011-02-02 | 株式会社Jiro企业策划 | Optical sheet for direct type liquid crystal display device and backlight unit |
| CN105974500A (en) * | 2016-06-21 | 2016-09-28 | 钟莉 | Multilayer integrally-formed anti-dazzle optical diffuser plate |
| CN106597585A (en) * | 2017-01-18 | 2017-04-26 | 肇庆市欧迪明科技有限公司 | Anti-dazzle diffuser plate and manufacturing method thereof |
| JP2017107174A (en) * | 2015-11-30 | 2017-06-15 | 大日本印刷株式会社 | Method of manufacturing laminate, laminate, backlight device, and display |
| CN208860982U (en) * | 2018-11-01 | 2019-05-14 | 广东基地光电有限公司 | A kind of compound diffuser plate |
| CN111142177A (en) * | 2020-01-14 | 2020-05-12 | 广东瑞捷光电股份有限公司 | Diffusion plate and manufacturing process thereof |
| CN211293322U (en) * | 2019-07-26 | 2020-08-18 | 惠州视维新技术有限公司 | Composite diffusion plate and backlight module |
| CN111650775A (en) * | 2020-06-08 | 2020-09-11 | 深圳市天诺通光电科技有限公司 | Quantum dot diffusion plate for preventing quantum dots from being dissipated by heating, manufacturing method and backlight module |
| CN112708215A (en) * | 2021-01-22 | 2021-04-27 | 惠州市凯帝智光电科技有限公司 | Foaming type multifunctional composite board and preparation method thereof |
| CN214151119U (en) * | 2021-01-22 | 2021-09-07 | 惠州市凯帝智光电科技有限公司 | Foaming type multifunctional composite board |
-
2021
- 2021-10-23 CN CN202111236445.6A patent/CN114236655A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1765624A (en) * | 2005-10-17 | 2006-05-03 | 杨振宇 | Polyurethane hard foam plastic composite board with elastic bonding transition layer and production method thereof |
| CN101961940A (en) * | 2009-06-04 | 2011-02-02 | 株式会社Jiro企业策划 | Optical sheet for direct type liquid crystal display device and backlight unit |
| CN101776820A (en) * | 2009-07-24 | 2010-07-14 | 苏州奥美光学材料有限公司 | Light diffusion plate for straight-down-type backlight LCD |
| JP2017107174A (en) * | 2015-11-30 | 2017-06-15 | 大日本印刷株式会社 | Method of manufacturing laminate, laminate, backlight device, and display |
| CN105974500A (en) * | 2016-06-21 | 2016-09-28 | 钟莉 | Multilayer integrally-formed anti-dazzle optical diffuser plate |
| CN106597585A (en) * | 2017-01-18 | 2017-04-26 | 肇庆市欧迪明科技有限公司 | Anti-dazzle diffuser plate and manufacturing method thereof |
| CN208860982U (en) * | 2018-11-01 | 2019-05-14 | 广东基地光电有限公司 | A kind of compound diffuser plate |
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