CN103341981A - High-transmittance optical brightness enhancement film, and manufacture apparatus and manufacture process thereof - Google Patents
High-transmittance optical brightness enhancement film, and manufacture apparatus and manufacture process thereof Download PDFInfo
- Publication number
- CN103341981A CN103341981A CN2013102230840A CN201310223084A CN103341981A CN 103341981 A CN103341981 A CN 103341981A CN 2013102230840 A CN2013102230840 A CN 2013102230840A CN 201310223084 A CN201310223084 A CN 201310223084A CN 103341981 A CN103341981 A CN 103341981A
- Authority
- CN
- China
- Prior art keywords
- hot
- optical brightening
- brightening membrane
- hot melt
- high permeability
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to a high-transmittance optical brightness enhancement film. The film comprises a brightness enhancement film body (11), and a microprism structure (12) disposed on the upper surface of the brightness enhancement film body (11), wherein the pitch of the microprism structure is 25 [mu]m to 200 [mu]m. A manufacture apparatus of the film comprises a hot-air machine (2), a feed hopper (3), a hot-air drier (4), an air lock device (5), a hot melt device (6), a pattern roller (8) and a grinding roller (9), wherein the outlet end of the hot melt device (6) is equipped with a calender roller group (7), and the pattern roller (8) and the grinding roller (9) are in cooperation and disposed at the left side of the calender roller group (7). A manufacture process of the film comprises the following steps: S1, pattern roller preparation; S2, material preparing; S3, drying; S4, hot melting of granular materials; S5, calendaring; S6, moulding; and S7, final processing. The advantages are that processing cost is low, the influence on the environment in the manufacture process is small, the manufacture technology is simple, and transmittance is high.
Description
Technical field
The present invention relates to optical brightening membrane, manufacturing equipment and the manufacturing process thereof of a kind of brightness enhancement film, particularly a kind of high permeability.
Background technology
The brightness enhancement film material adopts the production of UV ultraviolet curing process usually in the market, this technology is exactly plastic material last layer after a kind of biaxial tension or the liquid glue of multilayer in fact, patterned roll is to roll the structure figure that forms brightness enhancement film at this liquid glue, because light transmittance and the refractive index of base material and glue are inconsistent, variation has taken place in the optical grating construction that forms, cause the ray refraction direction to change, thereby also influenced the raising of light transmittance.Its raw material need import cost height, transmitance low, the process complexity, and production efficiency is low, be unfavorable for simplifying and produce, and this method is to adopt the method for coating, contains the dark agent of volatility in its coating fluid, can cause certain harmful effect to environment, production safety.
Chinese patent application number: 201110346640.4 disclose a kind of brightness enhancement film, it comprises substrate and microstructured layers, described substrate has first optical surface and second optical surface, second optical surface is positioned at the back side of first optical surface, described not structure is arranged on first optical surface, wherein microstructured layers comprises main micro-structural and less important micro-structural, and main micro-structural comprises several main microstructure units, and less important micro-structural comprises several less important microstructure units.The brightness enhancement film of this structure is sandwich construction, and transmitance is low, and the manufacturing process complexity.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, provide that a kind of processing cost is low, little to the influence of environment in the production process, manufacturing process is simple and transmitance is high optical brightening membrane, manufacturing equipment with and manufacturing process.
Purpose of the present invention is achieved through the following technical solutions: a kind of manufacturing equipment of optical brightening membrane of high permeability, it comprises air-heater, feed hopper, hot-air drier, wind stopping device, hot melt equipment, patterned roll and sand roller, air-heater is fixedly mounted on a side of platform, the opposite side of platform is equipped with hot-air drier, the pipeline that connects air-heater and hot-air drier is provided with feed hopper, the port of export of hot-air drier links to each other with the entrance point of wind stopping device, the port of export of wind stopping device links to each other with the arrival end of hot melt equipment, the port of export of hot melt equipment is provided with calendering smooth roll group, and patterned roll cooperates and be arranged at the left side of calendering smooth roll group with sand roller.
The working face that the working face of the exit of described hot melt equipment, calendering smooth roll group and patterned roll cooperate with sand roller is on the same horizontal line.
Described patterned roll is column structure, and the cylinder of patterned roll is provided with the dentation grating.
A kind of manufacturing equipment of the optical brightening membrane that uses described high permeability is made the technology of optical brightening membrane, and it may further comprise the steps:
S1, preparation patterned roll: electroplate the nickel alloy layer that a layer thickness is 500 μ m～1000 μ m by electrochemical method at calendering smooth roll roller surface, carve the dentation optical grating construction with ultraprecise diamond special purpose machine tool at nickel alloy layer, and pitch is 50 μ m～250 μ m;
S2, get the raw materials ready: select that transmitance is 87%～90%, refractive index is 1.53～1.62 PC, PMMA or PET as base-material, and fully mix according to the ratio of 100:1～2:1～2 with plasticizer, light diffusing agent, standby;
S3, drying: the resulting compound of step S2 is added hot-air drier from feed hopper, and feed hot blast by air-heater in hot-air drier, moisture exhausting port is discharged moisture, makes base-material be dried to moisture content≤0.13%;
S4, hot melt pellet: the base-material that obtains after the drying sent into carry out hot melt in the hot melt equipment, hot melting temperature is 220 ℃～260 ℃;
S5, calendering: the base-material behind the hot melt rolls through calendering bachelor group, obtains the optical film material that thickness is 0.3mm～1.0mm;
S6, moulding: the resulting optical film material of step S5 is put into the slit that patterned roll cooperates with sand roller, the optical brightening membrane that obtain the lower surface mist degree and be 8%～12%, upper surface has micro-prism structure;
S7, the final processing: the optical brightening membrane that step S6 is obtained is handled the back and is cut according to customer requirement, detects, the packing warehouse-in.
The environment temperature of described ultraprecise diamond special purpose machine tool processing mould roller should be controlled between 19.9 ℃～20.1 ℃.
The material of described employing high index of refraction carries out heat and melts back calendering technology processing.
The optical brightening membrane of the high permeability that described manufacturing process is made, it comprises the brightness enhancement film body, is provided with micro-prism structure at the upper surface of brightness enhancement film body; The pitch of micro-prism structure is 25 μ m～200 μ m.
The angular error of described micro-prism structure is ± 1 °.
Described micro-prism structure is V-arrangement or semicircular arc structure.
The present invention has the following advantages:
1, only use a kind of material, and molded by once prolonging, do not need to make basement membrane by biaxial tension earlier, above basement membrane, adopt the manufacturing of UV ultraviolet curing process again, when the cost of raw material was low, when having shortened worker, overall cost was low.
2, owing to do not need to use solvent, the method that also is coated with in environmental protection, security will be got well, and is little to the influence of environment.
3, the present invention directly selects the macromolecular material of high permeability refractive index for use, prolongs the mode of pressure by hot melt and makes, and its manufacturing process is simple.
4, only use a kind of forming materials, improved the transmitance of product, make the refractive index of product more stable, can not influence refractive index because two or more the material of unlike material is superimposed.
Description of drawings
Fig. 1 is the structural representation of the optical brightening membrane producing device of high permeability;
Fig. 2 is the structural representation of patterned roll;
Fig. 3 is the structure for amplifying schematic diagram at A place among Fig. 2;
Fig. 4 is the structural representation of the optical brightening membrane of V-arrangement for prism structure;
Fig. 5 is the structural representation of the optical brightening membrane of semicircular arc for prism structure;
Among the figure: 1-platform, 2-air-heater, 3-feed hopper, 4-hot-air drier, 5-wind stopping device, 6-hot melt equipment, 7-calendering smooth roll group, 8-patterned roll, 9-sand roller, 10-dentation grating, 11-brightness enhancement film body, 12-prism structure.
The specific embodiment
The present invention will be further described below in conjunction with drawings and Examples, but protection scope of the present invention is not limited to the following stated.
[embodiment 1]:
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of manufacturing equipment of optical brightening membrane of high permeability, it comprises air-heater 2, feed hopper 3, hot-air drier 4, wind stopping device 5, hot melt equipment 6, patterned roll 8 and sand roller 9, air-heater 2 is fixedly mounted on a side of platform 1, the opposite side of platform 1 is equipped with hot-air drier 4, the pipeline that connects air-heater 2 and hot-air drier 4 is provided with feed hopper 3, the port of export of hot-air drier 4 links to each other with the entrance point of wind stopping device 5, the port of export of wind stopping device 5 links to each other with the arrival end of hot melt equipment 6, the port of export of hot melt equipment 6 is provided with calendering smooth roll group 7, and patterned roll 8 cooperates and be arranged at the left side of calendering smooth roll group 7 with sand roller 9.
The working face that the working face of the exit of described hot melt equipment 6, calendering smooth roll group 7 and patterned roll 8 cooperate with sand roller 9 is on the same horizontal line.
Described patterned roll 8 is column structure, and the cylinder of patterned roll 8 is provided with dentation grating 10.
A kind of manufacturing equipment of the optical brightening membrane that uses described high permeability is made the technology of optical brightening membrane, and it may further comprise the steps:
S1, preparation patterned roll: electroplate the nickel alloy layer that a layer thickness is 500 μ m by electrochemical method at calendering smooth roll roller surface, with ultraprecise diamond special purpose machine tool, environment temperature is 19.9 ℃, and at nickel alloy layer engraving dentation optical grating construction, and pitch is 50 μ m;
S2, get the raw materials ready: select that transmitance is 87%, refractive index is 1.62 PC, PMMA or PET as base-material, and fully mix according to the ratio of 100:1:1 with plasticizer, light diffusing agent, standby;
S3, drying: the resulting compound of step S2 is added hot-air drier 4 from feed hopper 3, and feed hot blast by air-heater 2 in hot-air drier 4, moisture exhausting port is discharged moisture, makes base-material be dried to moisture content≤0.13%;
S4, hot melt pellet: the base-material that obtains after the drying sent into carry out hot melt in the hot melt equipment 6, hot melting temperature is 260 ℃;
S5, calendering: the base-material behind the hot melt is organized 7 through the calendering bachelor and is rolled, and obtains the optical film material that thickness is 1.0mm;
S6, moulding: the resulting optical film material of step S5 is put into patterned roll 8 and the slit that sand roller 9 cooperates, the optical brightening membrane that obtain the lower surface mist degree and be 8%, upper surface has micro-prism structure;
S7, the final processing: the optical brightening membrane that step S6 is obtained is handled the back and is cut according to customer requirement, detects, the packing warehouse-in.
The material of employing high index of refraction carries out heat and melts back calendering technology processing.
As shown in Figure 4, adopt the optical brightening membrane of the high permeability that above-mentioned manufacturing process makes, it comprises brightness enhancement film body 11, is provided with micro-prism structure 12 at the upper surface of brightness enhancement film body 11; The pitch of micro-prism structure 12 is 25 μ m.
The angular error of resulting micro-prism structure 12 is+1 °, and micro-prism structure 12 is v-shaped structure.
[embodiment 2]:
A kind of manufacturing equipment of optical brightening membrane of high permeability, its structure is with embodiment 1.
A kind of manufacturing equipment of the optical brightening membrane that uses described high permeability is made the technology of optical brightening membrane, and it may further comprise the steps:
S1, preparation patterned roll: electroplate the nickel alloy layer that a layer thickness is 750 μ m by electrochemical method at calendering smooth roll roller surface, with ultraprecise diamond special purpose machine tool, environment temperature is 20 ℃, and at nickel alloy layer engraving dentation optical grating construction, and pitch is 150 μ m;
S2, get the raw materials ready: select that transmitance is 88%, refractive index is 1.57 PC, PMMA or PET as base-material, and fully mix according to the ratio of 100:1.5:1.5 with plasticizer, light diffusing agent, standby;
S3, drying: the resulting compound of step S2 is added hot-air drier 4 from feed hopper 3, and feed hot blast by air-heater 2 in hot-air drier 4, moisture exhausting port is discharged moisture, makes base-material be dried to moisture content≤0.13%;
S4, hot melt pellet: the base-material that obtains after the drying sent into carry out hot melt in the hot melt equipment 6, hot melting temperature is 240 ℃;
S5, calendering: the base-material behind the hot melt is organized 7 through the calendering bachelor and is rolled, and obtains the optical film material that thickness is 0.7mm;
S6, moulding: the resulting optical film material of step S5 is put into patterned roll 8 and the slit that sand roller 9 cooperates, the optical brightening membrane that obtain the lower surface mist degree and be 10%, upper surface has micro-prism structure;
S7, the final processing: the optical brightening membrane that step S6 is obtained is handled the back and is cut according to customer requirement, detects, the packing warehouse-in.
The material of employing high index of refraction carries out heat and melts back calendering technology processing.
As shown in Figure 5, adopt the optical brightening membrane of the high permeability that above-mentioned manufacturing process makes, it comprises brightness enhancement film body 11, is provided with micro-prism structure 12 at the upper surface of brightness enhancement film body 11; The pitch of micro-prism structure 12 is 140 μ m.The angular error of prepared micro-prism structure 12 is 0; Micro-prism structure 12 is the semicircular arc structure.
[embodiment 3]:
A kind of manufacturing equipment of optical brightening membrane of high permeability, its structure is with embodiment 1.
A kind of manufacturing equipment of the optical brightening membrane that uses described high permeability is made the technology of optical brightening membrane, and it may further comprise the steps:
S1, preparation patterned roll: electroplate the nickel alloy layer that a layer thickness is 1000 μ m by electrochemical method at calendering smooth roll roller surface, with ultraprecise diamond special purpose machine tool, environment temperature is 20.1 ℃, and at nickel alloy layer engraving dentation optical grating construction, and pitch is 250 μ m;
S2, get the raw materials ready: select that transmitance is 90%, refractive index is 1.53 PC, PMMA or PET as base-material, and fully mix according to the ratio of 100:2:2 with plasticizer, light diffusing agent, standby;
S3, drying: the resulting compound of step S2 is added hot-air drier 4 from feed hopper 3, and feed hot blast by air-heater 2 in hot-air drier 4, moisture exhausting port is discharged moisture, makes base-material be dried to moisture content≤0.13%;
S4, hot melt pellet: the base-material that obtains after the drying sent into carry out hot melt in the hot melt equipment 6, hot melting temperature is 220 ℃;
S5, calendering: the base-material behind the hot melt is organized 7 through the calendering bachelor and is rolled, and obtains the optical film material that thickness is 0.3mm;
S6, moulding: the resulting optical film material of step S5 is put into patterned roll 8 and the slit that sand roller 9 cooperates, the optical brightening membrane that obtain the lower surface mist degree and be 12%, upper surface has micro-prism structure;
S7, the final processing: the optical brightening membrane that step S6 is obtained is handled the back and is cut according to customer requirement, detects, the packing warehouse-in.
The material of employing high index of refraction carries out heat and melts back calendering technology processing.
As shown in Figure 5, adopt the optical brightening membrane of the high permeability that above-mentioned manufacturing process makes, it comprises brightness enhancement film body 11, is provided with micro-prism structure 12 at the upper surface of brightness enhancement film body 11; The pitch of micro-prism structure 12 is 200 μ m.
The angular error of prepared micro-prism structure 12 is-1 °; Micro-prism structure 12 is the semicircular arc structure.
Claims (9)
1. the manufacturing equipment of the optical brightening membrane of a high permeability, it is characterized in that: it comprises air-heater (2), feed hopper (3), hot-air drier (4), wind stopping device (5), hot melt equipment (6), patterned roll (8) and sand roller (9), air-heater (2) is fixedly mounted on a side of platform (1), the opposite side of platform (1) is equipped with hot-air drier (4), the pipeline that connects air-heater (2) and hot-air drier (4) is provided with feed hopper (3), the port of export of hot-air drier (4) links to each other with the entrance point of wind stopping device (5), the port of export of wind stopping device (5) links to each other with the arrival end of hot melt equipment (6), the port of export of hot melt equipment (6) is provided with calendering smooth roll group (7), and patterned roll (8) cooperates and be arranged at the left side of calendering smooth roll group (7) with sand roller (9).
2. the manufacturing equipment of the optical brightening membrane of a kind of high permeability according to claim 1 is characterized in that: working face and the patterned roll (8) of the exit of described hot melt equipment (6), calendering smooth roll group (7) are on the same horizontal line with the working face that sand roller (9) cooperates.
3. the manufacturing equipment of the optical brightening membrane of a kind of high permeability according to claim 1 is characterized in that: described patterned roll (8) is column structure, and the cylinder of patterned roll (8) is provided with dentation grating (10).
4. the manufacturing equipment of the optical brightening membrane of a use high permeability as claimed in claim 1 is made the technology of optical brightening membrane, and it is characterized in that: it may further comprise the steps:
S1, preparation patterned roll: electroplate the nickel alloy layer that a layer thickness is 500 μ m～1000 μ m by electrochemical method at calendering smooth roll roller surface, carve the dentation optical grating construction with ultraprecise diamond special purpose machine tool at nickel alloy layer, and pitch is 50 μ m～250 μ m;
S2, get the raw materials ready: select that transmitance is 87%～90%, refractive index is 1.53～1.62 PC, PMMA or PET as base-material, and fully mix according to the ratio of 100:1～2:1～2 with plasticizer, light diffusing agent, standby;
S3, drying: the resulting compound of step S2 is added hot-air drier (4) from feed hopper (3), and feed hot blast by air-heater (2) in hot-air drier (4), moisture exhausting port is discharged moisture, makes base-material be dried to moisture content≤0.13%;
S4, hot melt pellet: the base-material that obtains after the drying sent in the hot melt equipment (6) carry out hot melt, hot melting temperature is 220 ℃～260 ℃;
S5, calendering: the base-material behind the hot melt rolls through calendering bachelor's group (7), obtains the optical film material that thickness is 0.3mm～1.0mm;
S6, moulding: the resulting optical film material of step S5 is put into patterned roll (8) and the slit that sand roller (9) cooperates, the optical brightening membrane that obtain the lower surface mist degree and be 8%～12%, upper surface has micro-prism structure;
S7, the final processing: the optical brightening membrane that step S6 is obtained is handled the back and is cut according to customer requirement, detects, the packing warehouse-in.
5. the manufacturing equipment of a kind of optical brightening membrane that uses high permeability according to claim 4 is made the technology of optical brightening membrane, it is characterized in that: the environment temperature of described ultraprecise diamond special purpose machine tool processing mould roller should be controlled between 19.9 ℃～20.1 ℃.
6. the manufacturing equipment of a kind of optical brightening membrane that uses high permeability according to claim 4 is made the technology of optical brightening membrane, it is characterized in that: the material of described employing high index of refraction carries out heat and melts back calendering technology processing.
7. the optical brightening membrane of the high permeability made of a manufacturing process as claimed in claim 4, it is characterized in that: it comprises brightness enhancement film body (11), is provided with micro-prism structure (12) at the upper surface of brightness enhancement film body (11); The pitch of micro-prism structure (12) is 25 μ m～200 μ m.
8. the optical brightening membrane of a kind of high permeability according to claim 7, it is characterized in that: the angular error of described micro-prism structure (12) is ± 1 °.
9. the optical brightening membrane of a kind of high permeability according to claim 7 is characterized in that: described micro-prism structure (12) is V-arrangement or semicircular arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223084.0A CN103341981B (en) | 2013-06-06 | 2013-06-06 | High-transmittance optical brightness enhancement film, and manufacture apparatus and manufacture process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223084.0A CN103341981B (en) | 2013-06-06 | 2013-06-06 | High-transmittance optical brightness enhancement film, and manufacture apparatus and manufacture process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103341981A true CN103341981A (en) | 2013-10-09 |
| CN103341981B CN103341981B (en) | 2015-05-20 |
Family
ID=49276828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310223084.0A Expired - Fee Related CN103341981B (en) | 2013-06-06 | 2013-06-06 | High-transmittance optical brightness enhancement film, and manufacture apparatus and manufacture process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103341981B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549135A (en) * | 2016-01-27 | 2016-05-04 | 张家港康得新光电材料有限公司 | Bright enhancement film and preparation method thereof, and display device comprising bright enhancement film |
| CN106671455A (en) * | 2016-08-30 | 2017-05-17 | 福建正德光电科技有限公司 | Silk-screen-printing-free light guide plate online production process and production device |
| CN106671440A (en) * | 2016-08-29 | 2017-05-17 | 福建正德光电科技有限公司 | High-transmittance silk-screen-printing-free optical thin slice extrusion calendaring device and process |
| CN109613748A (en) * | 2018-11-16 | 2019-04-12 | 薛治邑 | A kind of organic composite backlight module and its preparation system and production method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419296A (en) * | 2008-12-05 | 2009-04-29 | 南通天鸿镭射科技有限公司 | Optical film for plane display and method for manufacturing same |
| US20090218707A1 (en) * | 1998-01-13 | 2009-09-03 | 3M Innovative Properties Company | Method for making pen/pmma multilayer optical films |
| CN202200442U (en) * | 2011-09-06 | 2012-04-25 | 成都菲斯特科技有限公司 | Brightening optical grating mold |
| KR20120041565A (en) * | 2010-10-21 | 2012-05-02 | 김영희 | Pvc translucent sheet maker and it's sheet products |
| CN202805461U (en) * | 2012-12-06 | 2013-03-20 | 青州欧宝塑业有限公司 | Extruder raw material drying device |
-
2013
- 2013-06-06 CN CN201310223084.0A patent/CN103341981B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090218707A1 (en) * | 1998-01-13 | 2009-09-03 | 3M Innovative Properties Company | Method for making pen/pmma multilayer optical films |
| CN101419296A (en) * | 2008-12-05 | 2009-04-29 | 南通天鸿镭射科技有限公司 | Optical film for plane display and method for manufacturing same |
| KR20120041565A (en) * | 2010-10-21 | 2012-05-02 | 김영희 | Pvc translucent sheet maker and it's sheet products |
| CN202200442U (en) * | 2011-09-06 | 2012-04-25 | 成都菲斯特科技有限公司 | Brightening optical grating mold |
| CN202805461U (en) * | 2012-12-06 | 2013-03-20 | 青州欧宝塑业有限公司 | Extruder raw material drying device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549135A (en) * | 2016-01-27 | 2016-05-04 | 张家港康得新光电材料有限公司 | Bright enhancement film and preparation method thereof, and display device comprising bright enhancement film |
| CN105549135B (en) * | 2016-01-27 | 2018-01-12 | 张家港康得新光电材料有限公司 | Brightness enhancement film, its preparation method and include its display device |
| CN106671440A (en) * | 2016-08-29 | 2017-05-17 | 福建正德光电科技有限公司 | High-transmittance silk-screen-printing-free optical thin slice extrusion calendaring device and process |
| CN106671455A (en) * | 2016-08-30 | 2017-05-17 | 福建正德光电科技有限公司 | Silk-screen-printing-free light guide plate online production process and production device |
| CN109613748A (en) * | 2018-11-16 | 2019-04-12 | 薛治邑 | A kind of organic composite backlight module and its preparation system and production method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103341981B (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10253201B2 (en) | Composition for polarizing plate, polarizing plate protective film, cellulose acylate film, polarizer, polarizing plate, and display | |
| CN103341981B (en) | High-transmittance optical brightness enhancement film, and manufacture apparatus and manufacture process thereof | |
| CN106687290A (en) | Transparent plastic sheet | |
| CN106707394B (en) | A kind of preparation method of multi-layer combined bright enhancement film | |
| CN104098999A (en) | UV-heat dual-curing polyurethane coating, and preparation method and application thereof | |
| CN103171223A (en) | Bidirectional-stretching online-coating optical base film and its making method | |
| CN108139526A (en) | Polyvinyl alcohol film and the manufacturing method using its light polarizing film, polarizer and polyvinyl alcohol film | |
| CN105960326A (en) | Cyclic olefin film, optical film, conductive film, substrate film for printed electronics, barrier film, touch panel, polarizing plate, and display device | |
| CN101508166A (en) | Method for producing retardation film | |
| CN106125172A (en) | A kind of diffusion barrier and preparation method thereof | |
| CN106696298A (en) | Online hot pressed composite panel production equipment and production process thereof | |
| CN105717571A (en) | Polarizing film, manufacturing method thereof, polarizing film set, liquid crystal display panel and liquid crystal display device | |
| CN109074763A (en) | Film sensors component and its manufacturing method, circular polarizing disk and its manufacturing method and image display device | |
| CN103415549A (en) | Resin, optical material, and optical device | |
| KR20210102384A (en) | Manufacturing method of acrylic resin film | |
| CN107272092A (en) | A kind of warpage preventing diffusion barrier and preparation method thereof | |
| CN106687278A (en) | Method for manufacturing liquid crystal display protection plate | |
| CN105022104B (en) | A kind of optical thin film | |
| WO2019013078A1 (en) | Functional sheet | |
| CN203311023U (en) | High-transmittance optical brightness enhancement film | |
| CN105549135B (en) | Brightness enhancement film, its preparation method and include its display device | |
| CN102981192A (en) | Brightness enhancement film and preparation method thereof | |
| CN106671440A (en) | High-transmittance silk-screen-printing-free optical thin slice extrusion calendaring device and process | |
| CN111993728A (en) | Carbon crystal veneer through glue-free hot pasting and processing technology thereof | |
| CN102350890B (en) | Production technique of rolled holographic pattern film, holographic pattern film and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160706 Address after: 364300 Longyan City, Fujian province Wuping County Yanqian Industrial Zone B04 Patentee after: FUJIAN ZHENGDE OPTOELECTRONICS TECHNOLOGY CO., LTD. Address before: 610023 No. 9 Tianyu Road, hi tech Zone, Sichuan, Chengdu Patentee before: Chengdu Fscreen Sci-Tech Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20210606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |