CN102062884A - Diffusion membrane and manufacturing method thereof - Google Patents
Diffusion membrane and manufacturing method thereof Download PDFInfo
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- CN102062884A CN102062884A CN 201010532461 CN201010532461A CN102062884A CN 102062884 A CN102062884 A CN 102062884A CN 201010532461 CN201010532461 CN 201010532461 CN 201010532461 A CN201010532461 A CN 201010532461A CN 102062884 A CN102062884 A CN 102062884A
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Abstract
The invention discloses a diffusion membrane and a manufacturing method thereof. The manufacturing method for the diffusion membrane comprises the following steps of: selecting an appropriate roller body; manufacturing a micron jig of required specifications by adopting the technology of miniature engraving and cutting; performing miniature engraving on a wheel surface of the roller body by utilizing the micron jig manufactured by the technology of miniature engraving and cutting under the operation of the computerized numerical control (CNC) technology to manufacture a wheel surface with a concave hemispherical grain diameter which is in an optical microstructure; putting the roller body into an ultraviolet (UV) coating machine; forming a diffusion layer of a bead body with a convex hemispherical grain diameter on the surface of a transparent membranous layer; and forming an antistatic layer of the bead with the convex hemispherical grain diameter on the other surface of the transparent membranous layer. Compared with the conventional method for manufacturing the diffusion membrane, the method for manufacturing the diffusion membrane of the invention has the characteristics that huge equipment does not need, a manufacturing process is east to master, and the finished yield is high. The manufactured diffusion membrane has the excellent effects of atomizing diffusion and high penetration, has stable quality, reduces the manufacturing cost substantially and saves energy.
Description
Technical field
The present invention relates to technical field of liquid crystal display, relate in particular to a kind of diffusion barrier and manufacture method thereof.
Background technology
Diffusion barrier is an indispensable optical element in the LCD, and in traditional diffusion barrier manufacture craft, the granular substance with scattering is mixed in the bonding agent usually, the bonding agent that coating mixes on transparent basement membrane and form diffusion barrier.Usually this type of manufacture craft needs huge coating apparatus, and complex manufacturing technology is difficult for controlling, and the finished product yield is low and with high costs.
Summary of the invention
The manufacture method that the purpose of this invention is to provide a kind of diffusion barrier is intended to solve traditional manufacturing approach craft complexity and the high problem of cost.
A kind of diffusion barrier that adopts this manufacture method to make also is provided simultaneously.
Technical scheme of the present invention is as follows:
A kind of manufacture method of diffusion barrier comprises:
Choose a suitable roller body;
Adopt the microscopic carvings cutting technique to make the micron tool of required specification;
Utilize the wheel face of micron tool pair roller body under the CNC technical operation that the microscopic carvings cutting technique makes to carry out microscopic carvings and handle, make the wheel face of recessed dome-type particle diameter with optical microstructures;
Roller body is packed on the UV coating machine;
On the surface of transparent film layer, form the diffusion layer of pearl body with protruding dome-type particle diameter;
On another surface of transparent film layer, form the antistatic layer of pearl body with protruding dome-type particle diameter.
The manufacture method of described diffusion barrier, wherein, the described diffusion layer that forms the pearl body with protruding dome-type particle diameter on the surface of transparent film layer comprises:
On the surface of transparent film layer, evenly be coated with the optical grade acrylate of the liquid high index of refraction of last layer;
Duplicate the recessed dome-type particle diameter shape of wheel face and form the pearl body of protruding dome-type particle diameter;
Carry out UV curing.
The manufacture method of described diffusion barrier, wherein, the described antistatic layer that forms the pearl body with protruding dome-type particle diameter on another surface of transparent film layer comprises:
On another surface of transparent film layer, evenly be coated with the optical resin that last layer has the liquid high index of refraction of antistatic agent;
Duplicate the recessed dome-type particle diameter shape of wheel face and form the pearl body of protruding dome-type particle diameter;
Carry out UV curing.
The manufacture method of described diffusion barrier wherein, before the wheel face of pair roller body carries out the microscopic carvings processing, also comprises:
Adopt CNC technology pair roller body to make a rough lapping and secondary smooth grinding.
The manufacture method of described diffusion barrier, wherein, when formation had the diffusion layer of pearl body of protruding dome-type particle diameter, the diameter of wheel face fovea superior dome-type particle diameter was 3 to 15 microns, the surface roughness Ra value is 0.24 to 0.8 micron.
The manufacture method of described diffusion barrier, wherein, when formation had the antistatic layer of pearl body of protruding dome-type particle diameter, the diameter of wheel face fovea superior dome-type particle diameter was 3 to 15 microns, the surface roughness Ra value is that 0.24 to 0.8 micron or surface are 150 to 400 mesh points.
The diffusion barrier that a kind of manufacture method that adopts above-mentioned diffusion barrier is made comprises transparent film layer, diffusion layer, antistatic layer, and described diffusion layer and antistatic layer and transparent film layer are wholely set, and diffusion layer and antistatic layer are oppositely arranged.
Described diffusion barrier, wherein, described diffusion layer comprises the pearl body of a plurality of continuously arranged protruding dome-type particle diameters.
Described diffusion barrier, wherein, described antistatic layer comprises the pearl body of the protruding dome-type particle diameter of a plurality of rare diffusing arrangements.
Described diffusion barrier, wherein, described diffusion layer surface roughness Ra value is that 0.24 to 0.8 micron or surface are 150 to 300 mesh points.
Beneficial effect of the present invention:
Diffusion barrier manufacture method of the present invention is compared with the manufacture method of traditional diffusion barrier, and having does not need huge equipment, the easier control of manufacture craft, the characteristics that the finished product yield is high.Produced diffusion barrier has good atomizing diffusion and high-penetration effect, and quality is highly stable, has significantly reduced cost of manufacture and economizes on resources.
Description of drawings
Fig. 1 is the synoptic diagram of employed roller body in the manufacture method of diffusion barrier of the present invention.
Fig. 2 is the synoptic diagram of diffusion barrier of the present invention.
Embodiment
See also Fig. 1 and Fig. 2, the manufacture method of diffusion barrier of the present invention may further comprise the steps:
(1), chooses a suitable roller body 5.
(2), adopt the microscopic carvings cutting technique to make the micron tool of required specification.
(3), adopt CNC technology (numerical control machine tool technique) pair roller body 5 to make a rough lapping and secondary smooth grinding.
(4), utilizing the wheel face of micron tool pair roller body 5 under the CNC technical operation that the microscopic carvings cutting technique makes to carry out microscopic carvings handles, makes the wheel face 51 of the recessed dome-type particle diameter with optical microstructures.The diameter of recessed dome-type particle diameter is 3 to 15 microns, and the surface roughness Ra value is 0.24 to 0.8 micron.
(5), roller body 5 is packed on the UV coating machine.
(6), on the surface of transparent film layer 6 (material is a poly terephthalic acid), evenly be coated with the optical grade acrylate of the liquid high index of refraction of last layer.
(7), duplicate the recessed dome-type particle diameter shape of wheel face 51 and form the pearl body of protruding dome-type particle diameter.
(8), carry out UV curing, can on the surface of transparent film layer 6, form the diffusion layer 62 of pearl body with protruding dome-type particle diameter.
(9), adopt same method for making to go up and form antistatic layer 61 with anti-static effect on another surface of transparent film layer 6 (with the diffusion layer facing surfaces).
When forming antistatic layer 61, the diameter with recessed dome-type particle diameter of micron of optical microstructures is 3 to 15 microns, and the surface roughness Ra value is that 0.24 to 0.8 micron or surface are 150 to 400 mesh points.On another surface of transparent film layer 6, evenly be coated with the optical resin that last layer has the liquid high index of refraction of antistatic agent.
Adopt the manufacture method of above-mentioned diffusion barrier can form the diffusion layer that one side has atomizing effect and high-penetration, increase the ray refraction number of times with this, form better light diffusion effect, another side has the diffusion barrier product of high-penetration antistatic layer.
See also Fig. 2, the diffusion barrier that adopts the manufacture method of diffusion barrier of the present invention to produce comprises transparent film layer 6, diffusion layer 62, antistatic layer 61, described diffusion layer 62 and antistatic layer 61 is wholely set with transparent film layer 6, and diffusion layer 62 and antistatic layer 61 are oppositely arranged.
Diffusion barrier manufacture method of the present invention is compared with the manufacture method of traditional diffusion barrier, and having does not need huge equipment, the easier control of manufacture craft, the characteristics that the finished product yield is high.Produced diffusion barrier has good atomizing diffusion and high-penetration effect, and quality is highly stable, has significantly reduced cost of manufacture and economizes on resources.
Should be understood that; above-mentioned description at preferred embodiment is comparatively detailed; can not therefore think restriction to scope of patent protection of the present invention; those of ordinary skill in the art is under enlightenment of the present invention; do not breaking away under the scope situation that claim of the present invention protects; can also make various deformation such as replacement, simple combination, these all fall within protection scope of the present invention, and the scope of asking for protection of the present invention should be as the criterion with claims.
Claims (10)
1. the manufacture method of a diffusion barrier is characterized in that, comprising:
Choose a suitable roller body;
Adopt the microscopic carvings cutting technique to make the micron tool of required specification;
Utilize the wheel face of micron tool pair roller body under the CNC technical operation that the microscopic carvings cutting technique makes to carry out microscopic carvings and handle, make the wheel face of recessed dome-type particle diameter with optical microstructures;
Roller body is packed on the UV coating machine;
On the surface of transparent film layer, form the diffusion layer of pearl body with protruding dome-type particle diameter;
On another surface of transparent film layer, form the antistatic layer of pearl body with protruding dome-type particle diameter.
2. the manufacture method of diffusion barrier according to claim 1 is characterized in that, the described diffusion layer that forms the pearl body with protruding dome-type particle diameter on the surface of transparent film layer comprises:
On the surface of transparent film layer, evenly be coated with the optical grade acrylate of the liquid high index of refraction of last layer;
Duplicate the recessed dome-type particle diameter shape of wheel face and form the pearl body of protruding dome-type particle diameter;
Carry out UV curing.
3. the manufacture method of diffusion barrier according to claim 1 is characterized in that, the described antistatic layer that forms the pearl body with protruding dome-type particle diameter on another surface of transparent film layer comprises:
On another surface of transparent film layer, evenly be coated with the optical resin that last layer has the liquid high index of refraction of antistatic agent;
Duplicate the recessed dome-type particle diameter shape of wheel face and form the pearl body of protruding dome-type particle diameter;
Carry out UV curing.
4. the manufacture method of diffusion barrier according to claim 1 is characterized in that, before the wheel face of pair roller body carries out the microscopic carvings processing, also comprises:
Adopt CNC technology pair roller body to make a rough lapping and secondary smooth grinding.
5. the manufacture method of diffusion barrier according to claim 1 is characterized in that, when formation had the diffusion layer of pearl body of protruding dome-type particle diameter, the diameter of wheel face fovea superior dome-type particle diameter was 3 to 15 microns, and the surface roughness Ra value is 0.24 to 0.8 micron.
6. the manufacture method of diffusion barrier according to claim 1, it is characterized in that, when formation had the antistatic layer of pearl body of protruding dome-type particle diameter, the diameter of wheel face fovea superior dome-type particle diameter was 3 to 15 microns, and the surface roughness Ra value is that 0.24 to 0.8 micron or surface are 150 to 400 mesh points.
7. diffusion barrier that the manufacture method that adopts the described diffusion barrier of claim 1 is made, it is characterized in that, comprise transparent film layer, diffusion layer, antistatic layer, described diffusion layer and antistatic layer and transparent film layer are wholely set, and diffusion layer and antistatic layer are oppositely arranged.
8. diffusion barrier according to claim 7 is characterized in that, described diffusion layer comprises the pearl body of a plurality of continuously arranged protruding dome-type particle diameters.
9. diffusion barrier according to claim 7 is characterized in that, described antistatic layer comprises the pearl body of the protruding dome-type particle diameter of a plurality of rare diffusing arrangements.
10. diffusion barrier according to claim 7 is characterized in that, described diffusion layer surface roughness Ra value is that 0.24 to 0.8 micron or surface are 150 to 300 mesh points.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105324615A CN102062884B (en) | 2010-11-01 | 2010-11-01 | Diffusion membrane and manufacturing method thereof |
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| CN2010105324615A CN102062884B (en) | 2010-11-01 | 2010-11-01 | Diffusion membrane and manufacturing method thereof |
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| CN102062884B CN102062884B (en) | 2011-10-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364992A (en) * | 2013-07-09 | 2013-10-23 | 李明伟 | Reflection polarization brightness enhancement film and manufacturing method thereof |
| CN104122611A (en) * | 2013-04-29 | 2014-10-29 | 鸿富锦精密工业（深圳）有限公司 | Manufacturing equipment of optical composite membrane and manufacturing method thereof |
| CN105842764A (en) * | 2016-06-01 | 2016-08-10 | 翰博高新材料(合肥)股份有限公司 | Diffusion film and preparation method thereof |
| CN107367777A (en) * | 2016-05-13 | 2017-11-21 | 住华科技股份有限公司 | Display device |
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| US20040075897A1 (en) * | 1998-08-05 | 2004-04-22 | Mitsubishi Rayon Co., Ltd. | Lens sheet and method of manufacturing the same |
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| KR20060056503A (en) * | 2004-11-22 | 2006-05-25 | 엘지마이크론 주식회사 | Optical sheet for display |
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| CN101216639A (en) * | 2008-01-18 | 2008-07-09 | 长兴光学材料（苏州）有限公司 | Integration-type optical film |
| CN101408628A (en) * | 2007-10-10 | 2009-04-15 | 群康科技(深圳)有限公司 | Diffusion chip and manufacturing process thereof and backlight module unit and LCD device |
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| US20040075897A1 (en) * | 1998-08-05 | 2004-04-22 | Mitsubishi Rayon Co., Ltd. | Lens sheet and method of manufacturing the same |
| CN1704813A (en) * | 2004-05-31 | 2005-12-07 | 颖台科技股份有限公司 | Diffuser of direct type backlight module and method for making same |
| KR20060056503A (en) * | 2004-11-22 | 2006-05-25 | 엘지마이크론 주식회사 | Optical sheet for display |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122611A (en) * | 2013-04-29 | 2014-10-29 | 鸿富锦精密工业（深圳）有限公司 | Manufacturing equipment of optical composite membrane and manufacturing method thereof |
| CN103364992A (en) * | 2013-07-09 | 2013-10-23 | 李明伟 | Reflection polarization brightness enhancement film and manufacturing method thereof |
| CN103364992B (en) * | 2013-07-09 | 2014-11-26 | 李明伟 | Reflection polarization brightness enhancement film and manufacturing method thereof |
| CN107367777A (en) * | 2016-05-13 | 2017-11-21 | 住华科技股份有限公司 | Display device |
| CN105842764A (en) * | 2016-06-01 | 2016-08-10 | 翰博高新材料(合肥)股份有限公司 | Diffusion film and preparation method thereof |
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| CN102062884B (en) | 2011-10-26 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110518 Assignee: Sichuan Weiqi Photoelectric Technology Co., Ltd. Assignor: Li Mingwei Contract record no.: 2012510000120 Denomination of invention: Diffusion film and its production Granted publication date: 20111026 License type: Exclusive License Record date: 20121102 |
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Effective date of registration: 20201111 Address after: No.11 Jingkai Avenue, Dazhu Economic Development Zone, Dazhou City, Sichuan Province Patentee after: Sichuan Weiqi New Material Co., Ltd Address before: 518106, 62, Fourth Industrial Zone, Mashan, Guangdong, Shenzhen, Gongming Patentee before: Li Mingwei |
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| TR01 | Transfer of patent right |