CN113777681A - Brightness enhancement film and manufacturing method thereof - Google Patents
Brightness enhancement film and manufacturing method thereof Download PDFInfo
- Publication number
- CN113777681A CN113777681A CN202111057758.5A CN202111057758A CN113777681A CN 113777681 A CN113777681 A CN 113777681A CN 202111057758 A CN202111057758 A CN 202111057758A CN 113777681 A CN113777681 A CN 113777681A
- Authority
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- China
- Prior art keywords
- brightness enhancement
- resin glue
- enhancement film
- film
- base material
- 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.)
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Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000003292 glue Substances 0.000 claims abstract description 63
- 239000011347 resin Substances 0.000 claims abstract description 63
- 229920005989 resin Polymers 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000009792 diffusion process Methods 0.000 claims abstract description 34
- 239000002245 particle Substances 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000001723 curing Methods 0.000 claims description 20
- 239000011159 matrix material Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000003848 UV Light-Curing Methods 0.000 claims description 5
- -1 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004134 energy conservation Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 83
- VQLYBLABXAHUDN-UHFFFAOYSA-N bis(4-fluorophenyl)-methyl-(1,2,4-triazol-1-ylmethyl)silane;methyl n-(1h-benzimidazol-2-yl)carbamate Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1.C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 VQLYBLABXAHUDN-UHFFFAOYSA-N 0.000 description 9
- 239000012528 membrane Substances 0.000 description 9
- 239000013307 optical fiber Substances 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
-
- 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
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a brightness enhancement film and a manufacturing method thereof, and relates to the technical field of new materials. The brightness enhancement film comprises a base film and two layers of brightness enhancement films, wherein the two layers of brightness enhancement films are respectively adhered to the surfaces of two sides of the base film through UV resin glue, each brightness enhancement film comprises a base material with a middle layer, the UV resin glue is arranged on the surface of one side of the base material, and diffusion particles are arranged on the surface of the other side of the base material. Through at substrate one side coating UV resin glue, and make UV resin glue surface shape become the sawtooth array that the angle is 90, then spray at the another side and form the diffusion particle, and then make brightness enhancement film, then paste two brightness enhancement films at the two sides of the base film through UV resin glue again and make the brightness enhancement film, sawtooth array and diffusion particle on the UV resin glue that just so can be through two-layer brightness enhancement film reflect light, refraction and diffusion, thereby realized not needing the effect that light source device just can add light, more energy-conservation, be worth wideling popularize.
Description
Technical Field
The invention relates to the technical field of new materials, in particular to a brightness enhancement film and a manufacturing method thereof.
Background
The brightness enhancement film is also called BEF, and is an optical film which uses acrylic resin on the surface of PET with excellent transparency and is precisely formed into a layer of uniform prism pattern.
General membrane of adding lustre to all has several layers pressfittings, it is central usually to be the base film, the membrane of adding lustre to bond around, the effect of membrane of adding lustre to is whether because the refracting index and the luminousness of membrane of adding lustre to are different respectively, but its effect is uneven a bit, general membrane of adding lustre to is in the display screen below, there is light source device also in the below of membrane of adding lustre to, when the display screen during operation, except that the display screen is luminous, the below light source device that still needs membrane of adding lustre to give out light, then increase luminosity through membrane of adding lustre to again, although the effect can reach, but to whole display device's power consumption just than higher, if the membrane of adding lustre to can strengthen the luminosity of display screen, need not increase light source device again, just so saved a lot of standby electric quantity.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the brightness enhancement film and the manufacturing method thereof, and solves the problem of high energy consumption caused by the fact that the brightness enhancement film needs to be matched with a light source device.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the brightness enhancement film comprises a base film and a brightness enhancement film, the brightness enhancement film is totally two-layer, and is respectively adhered to the surfaces of two sides of the base film through UV resin glue, the brightness enhancement film comprises a base material of a middle layer, one side surface of the base material is provided with the UV resin glue, and the surface of the other side of the base material is provided with diffusion particles.
Preferably, the base film and the base material are both made of polyethylene terephthalate.
Preferably, the refractive index of the UV resin glue is 1.54-1.59.
Preferably, the matrix of the diffusion particles is made of a high-molecular light-transmitting material, and the diameter of the matrix of the diffusion particles is 60-120 nm.
Preferably, the method for manufacturing the brightness enhancement film comprises the following steps:
s1, firstly coating a layer of UV resin glue on the surface of one side of a substrate, then pressing the UV resin glue by using a mould plate to enable the surface of the UV resin glue to form a sawtooth array with an angle of 90 degrees, and then curing and shaping the UV resin glue by using a UV curing furnace;
s2, forming a layer of diffusion particles on the other side surface of the base material in a sand spraying mode to obtain a brightness enhancement film;
and S3, repeating S1-S2 to manufacture a brightness enhancement film, adhering two brightness enhancement films to the upper surface and the lower surface of the base film through UV resin glue, and keeping the two brightness enhancement films to be arranged in a staggered mode to manufacture the brightness enhancement film.
Preferably, the thickness of the UV resin glue on the surface of the base material is 13-16 μm, and the thickness of the UV resin glue between the base film and the brightness enhancement film is 5-7 μm.
Preferably, the thickness of the diffusion particles is 9 to 11 μm.
Preferably, the curing time of the curing oven is 180-250 s, and the curing temperature is 120-140 ℃.
(III) advantageous effects
The invention provides a brightness enhancement film and a manufacturing method thereof. The method has the following beneficial effects:
according to the invention, one surface of the substrate is coated with the UV resin glue, the surface of the UV resin glue forms the sawtooth arrays with the angle of 90 degrees in a mode of pressing the die plate, then the other surface is sprayed to form the diffusion particles, so that the brightness enhancement film is prepared, and then two brightness enhancement films are adhered to two surfaces of the base film through the UV resin glue to prepare the brightness enhancement film, so that when the brightness enhancement film is used, light rays are reflected, refracted and diffused through the sawtooth arrays and the diffusion particles on the UV resin glue on the two brightness enhancement films, the brightness enhancement effect can be realized without a light source device, the standby power consumption is greatly reduced, the energy is saved, and the method is worthy of great popularization.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the embodiment of the invention provides a brightness enhancement film, which comprises a base film and two brightness enhancement films, wherein the brightness enhancement films are respectively adhered to the surfaces of two sides of the base film through UV resin glue, each brightness enhancement film comprises a base material with a middle layer, the UV resin glue is arranged on the surface of one side of each base material, and diffusion particles are arranged on the surface of the other side of each base material.
The base film and the base material are both made of polyethylene terephthalate.
The refractive index of the UV resin glue is 1.54-1.59.
The matrix of the diffusion particles is made of a high-molecular light-transmitting material, the diameter of the matrix of the diffusion particles is 60-120 nm, and the diffusion particles can diffuse the optical fiber, so that the effect of intensifying light is achieved.
The embodiment of the invention provides a manufacturing method of a brightness enhancement film, which comprises the following steps:
s1, firstly coating a layer of UV resin glue on the surface of one side of a substrate, then pressing the UV resin glue by using a die plate, so that the surface of the UV resin glue is provided with a sawtooth array with an angle of 90 degrees, the sawtooth array formed by the UV resin glue can better reflect and refract light rays, thereby better realizing the effect of intensifying light, and then curing and shaping the UV resin glue by using a UV curing furnace;
s2, forming a layer of diffusion particles on the other side surface of the base material in a sand spraying mode to obtain a brightness enhancement film;
s3, repeating S1-S2 to manufacture a brightness enhancement film, adhering two brightness enhancement films to the upper surface and the lower surface of the base film through UV resin glue, and keeping the two brightness enhancement films to be arranged in a staggered mode, so that the brightness enhancement film can be manufactured, and the brightness enhancement effect of the brightness enhancement film can be better due to the two layers of brightness enhancement films.
The thickness of the UV resin glue on the surface of the base material is 15 micrometers, and the thickness of the UV resin glue between the base film and the brightness enhancement film is 6 micrometers.
The thickness of the diffusion particles was 10 μm.
The curing time of the curing oven was 210s, and the curing temperature was 120 ℃.
Example two:
the embodiment of the invention provides a brightness enhancement film, which comprises a base film and two brightness enhancement films, wherein the brightness enhancement films are respectively adhered to the surfaces of two sides of the base film through UV resin glue, each brightness enhancement film comprises a base material with a middle layer, the UV resin glue is arranged on the surface of one side of each base material, and diffusion particles are arranged on the surface of the other side of each base material.
The base film and the base material are both made of polyethylene terephthalate.
The refractive index of the UV resin glue is 1.54-1.59.
The matrix of the diffusion particles is made of a high-molecular light-transmitting material, the diameter of the matrix of the diffusion particles is 60-120 nm, and the diffusion particles can diffuse the optical fiber, so that the effect of intensifying light is achieved.
The embodiment of the invention provides a manufacturing method of a brightness enhancement film, which comprises the following steps:
s1, firstly coating a layer of UV resin glue on the surface of one side of a substrate, then pressing the UV resin glue by using a die plate, so that the surface of the UV resin glue is provided with a sawtooth array with an angle of 90 degrees, the sawtooth array formed by the UV resin glue can better reflect and refract light rays, thereby better realizing the effect of intensifying light, and then curing and shaping the UV resin glue by using a UV curing furnace;
s2, forming a layer of diffusion particles on the other side surface of the base material in a sand spraying mode to obtain a brightness enhancement film;
s3, repeating S1-S2 to manufacture a brightness enhancement film, adhering two brightness enhancement films to the upper surface and the lower surface of the base film through UV resin glue, and keeping the two brightness enhancement films to be arranged in a staggered mode, so that the brightness enhancement film can be manufactured, and the brightness enhancement effect of the brightness enhancement film can be better due to the two layers of brightness enhancement films.
The thickness of the UV resin glue on the surface of the base material is 14 μm, and the thickness of the UV resin glue between the base film and the brightness enhancement film is 5 μm.
The thickness of the diffusion particles was 9 μm.
The curing time of the curing oven was 220s, and the curing temperature was 120 ℃.
Example three:
the embodiment of the invention provides a brightness enhancement film, which comprises a base film and two brightness enhancement films, wherein the brightness enhancement films are respectively adhered to the surfaces of two sides of the base film through UV resin glue, each brightness enhancement film comprises a base material with a middle layer, the UV resin glue is arranged on the surface of one side of each base material, and diffusion particles are arranged on the surface of the other side of each base material.
The base film and the base material are both made of polyethylene terephthalate.
The refractive index of the UV resin glue is 1.54-1.59.
The matrix of the diffusion particles is made of a high-molecular light-transmitting material, the diameter of the matrix of the diffusion particles is 60-120 nm, and the diffusion particles can diffuse the optical fiber, so that the effect of intensifying light is achieved.
The embodiment of the invention provides a manufacturing method of a brightness enhancement film, which comprises the following steps:
s1, firstly coating a layer of UV resin glue on the surface of one side of a substrate, then pressing the UV resin glue by using a die plate, so that the surface of the UV resin glue is provided with a sawtooth array with an angle of 90 degrees, the sawtooth array formed by the UV resin glue can better reflect and refract light rays, thereby better realizing the effect of intensifying light, and then curing and shaping the UV resin glue by using a UV curing furnace;
s2, forming a layer of diffusion particles on the other side surface of the base material in a sand spraying mode to obtain a brightness enhancement film;
s3, repeating S1-S2 to manufacture a brightness enhancement film, adhering two brightness enhancement films to the upper surface and the lower surface of the base film through UV resin glue, and keeping the two brightness enhancement films to be arranged in a staggered mode, so that the brightness enhancement film can be manufactured, and the brightness enhancement effect of the brightness enhancement film can be better due to the two layers of brightness enhancement films.
The thickness of the UV resin glue on the surface of the base material is 16 mu m, and the thickness of the UV resin glue between the base film and the brightness enhancement film is 7 mu m.
The thickness of the diffusion particles was 11 μm.
The curing time of the curing oven was 250s, and the curing temperature was 140 ℃.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The bright enhancement film comprises a base film and a bright enhancement film, and is characterized in that: the brightness enhancement film is two-layer in total, and pastes at base film both sides surface through UV resin glue respectively, the brightness enhancement film includes the substrate of middle one deck, substrate one side surface is provided with UV resin glue, and substrate opposite side surface is provided with the diffusion particle.
2. The brightness enhancement film according to claim 1, wherein: the base film and the base material are both made of polyethylene terephthalate.
3. The brightness enhancement film according to claim 1, wherein: the refractive index of the UV resin glue is 1.54-1.59.
4. The brightness enhancement film according to claim 1, wherein: the matrix of the diffusion particles is made of a high-molecular light-transmitting material, and the diameter of the matrix of the diffusion particles is 60-120 nm.
5. The method for manufacturing a brightness enhancement film according to claims 1 to 4, characterized in that: the method comprises the following steps:
s1, firstly coating a layer of UV resin glue on the surface of one side of a substrate, then pressing the UV resin glue by using a mould plate to enable the surface of the UV resin glue to form a sawtooth array with an angle of 90 degrees, and then curing and shaping the UV resin glue by using a UV curing furnace;
s2, forming a layer of diffusion particles on the other side surface of the base material in a sand spraying mode to obtain a brightness enhancement film;
and S3, repeating S1-S2 to manufacture a brightness enhancement film, adhering two brightness enhancement films to the upper surface and the lower surface of the base film through UV resin glue, and keeping the two brightness enhancement films to be arranged in a staggered mode to manufacture the brightness enhancement film.
6. The method for manufacturing a brightness enhancement film according to claim 5, wherein: the thickness of the UV resin glue on the surface of the base material is 13-16 mu m, and the thickness of the UV resin glue between the base film and the brightness enhancement film is 5-7 mu m.
7. The method for manufacturing a brightness enhancement film according to claim 5, wherein: the thickness of the diffusion particles is 9 to 11 μm.
8. The method for manufacturing a brightness enhancement film according to claim 5, wherein: the curing time of the curing oven is 180-250 s, and the curing temperature is 120-140 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057758.5A CN113777681A (en) | 2021-09-09 | 2021-09-09 | Brightness enhancement film and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057758.5A CN113777681A (en) | 2021-09-09 | 2021-09-09 | Brightness enhancement film and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113777681A true CN113777681A (en) | 2021-12-10 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111057758.5A Pending CN113777681A (en) | 2021-09-09 | 2021-09-09 | Brightness enhancement film and manufacturing method thereof |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990004687A (en) * | 1997-06-28 | 1999-01-25 | 성재갑 | Optical sheet for liquid crystal display panel and its manufacturing method |
| CN101071221A (en) * | 2006-05-09 | 2007-11-14 | Lg电子株式会社 | Prism sheet, backlight unit and liquid crystal display |
| KR20090045538A (en) * | 2007-11-02 | 2009-05-08 | 동우 화인켐 주식회사 | Diffusion plate, backlight device comprising the same, and liquid crystal display device |
| CN103091742A (en) * | 2013-02-01 | 2013-05-08 | 宁波激智新材料科技有限公司 | Multilayer compound prismatic lens |
| CN204945418U (en) * | 2015-07-31 | 2016-01-06 | 东莞市纳利光学材料有限公司 | A kind of low-cost durable composite bright enhancement film |
| CN107797339A (en) * | 2017-12-11 | 2018-03-13 | 南通惟怡新材料科技有限公司 | A kind of quantum dot film with interior journey of adding lustre to |
| CN108205218A (en) * | 2018-01-15 | 2018-06-26 | 张家港康得新光电材料有限公司 | A kind of composite brightening film and its preparation method and application |
| CN209946421U (en) * | 2019-04-16 | 2020-01-14 | 河源市仁浩光电科技有限公司 | Anti-adsorption bright enhancement film |
| CN210038213U (en) * | 2019-06-25 | 2020-02-07 | 常宝新材料(苏州)有限公司 | Optical composite film |
| KR102275647B1 (en) * | 2020-09-29 | 2021-07-09 | 에스케이씨하이테크앤마케팅(주) | Optical composite sheet and display apparatus comprising same |
| CN113296312A (en) * | 2021-05-14 | 2021-08-24 | 惠州视维新技术有限公司 | Display device |
-
2021
- 2021-09-09 CN CN202111057758.5A patent/CN113777681A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990004687A (en) * | 1997-06-28 | 1999-01-25 | 성재갑 | Optical sheet for liquid crystal display panel and its manufacturing method |
| CN101071221A (en) * | 2006-05-09 | 2007-11-14 | Lg电子株式会社 | Prism sheet, backlight unit and liquid crystal display |
| KR20090045538A (en) * | 2007-11-02 | 2009-05-08 | 동우 화인켐 주식회사 | Diffusion plate, backlight device comprising the same, and liquid crystal display device |
| CN103091742A (en) * | 2013-02-01 | 2013-05-08 | 宁波激智新材料科技有限公司 | Multilayer compound prismatic lens |
| CN204945418U (en) * | 2015-07-31 | 2016-01-06 | 东莞市纳利光学材料有限公司 | A kind of low-cost durable composite bright enhancement film |
| CN107797339A (en) * | 2017-12-11 | 2018-03-13 | 南通惟怡新材料科技有限公司 | A kind of quantum dot film with interior journey of adding lustre to |
| CN108205218A (en) * | 2018-01-15 | 2018-06-26 | 张家港康得新光电材料有限公司 | A kind of composite brightening film and its preparation method and application |
| CN209946421U (en) * | 2019-04-16 | 2020-01-14 | 河源市仁浩光电科技有限公司 | Anti-adsorption bright enhancement film |
| CN210038213U (en) * | 2019-06-25 | 2020-02-07 | 常宝新材料(苏州)有限公司 | Optical composite film |
| KR102275647B1 (en) * | 2020-09-29 | 2021-07-09 | 에스케이씨하이테크앤마케팅(주) | Optical composite sheet and display apparatus comprising same |
| CN113296312A (en) * | 2021-05-14 | 2021-08-24 | 惠州视维新技术有限公司 | Display device |
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