CN112147736A - Novel optical film group - Google Patents
Novel optical film group Download PDFInfo
- Publication number
- CN112147736A CN112147736A CN202011137523.2A CN202011137523A CN112147736A CN 112147736 A CN112147736 A CN 112147736A CN 202011137523 A CN202011137523 A CN 202011137523A CN 112147736 A CN112147736 A CN 112147736A
- Authority
- CN
- China
- Prior art keywords
- film
- optical
- guide plate
- light guide
- brightness enhancement
- 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.)
- Pending
Links
- 239000012788 optical film Substances 0.000 title claims abstract description 26
- 239000010408 film Substances 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 239000011521 glass Substances 0.000 claims abstract description 21
- 238000009792 diffusion process Methods 0.000 claims abstract description 19
- 239000012945 sealing adhesive Substances 0.000 claims abstract description 7
- 230000001795 light effect Effects 0.000 claims abstract description 6
- 230000002708 enhancing effect Effects 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 239000000565 sealant Substances 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000001153 anti-wrinkle effect Effects 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 description 8
- 239000003292 glue Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005282 brightening Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0093—Means for protecting the light guide
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a novel optical film group, which comprises functional glass (1), a brightness enhancement film (2), a diffusion film (3), an optical light guide plate (4), a sealing gasket (6) and a sealing adhesive (7); the functional glass (1), the brightness enhancement film (2), the diffusion film (3) and the optical light guide plate (4) are flatly overlapped together from top to bottom, the contact positions at the periphery are pre-sealed by a sealing gasket (6), and a circle of sealant (7) is coated for reinforcing and sealing; the optical light guide plate (4) is used for converting a side light source into a surface light source and homogenizing light through the diffusion film (3), the brightness enhancement film (2) is used for enhancing the light effect, and the functional glass (1) is used for improving the weather resistance and the scratch resistance. The novel optical film group is simple, stable and reliable, the light efficiency is improved, and the scratch resistance, the anti-wrinkle performance and the high and low temperature resistance of the film group are improved.
Description
Technical Field
The invention relates to the technical field of display modules, in particular to a novel optical film group.
Background
Military display modules are required to be capable of bearing strong vibration and in severe high and low temperature environments, the requirements on the modules and internal components are high, particularly optical membrane components, the membrane modules are extremely prone to wrinkling and scratching after high-magnitude vibration and severe high and low temperature circulation, and the requirements on lightness and thinness are higher and higher.
Therefore, it is highly desirable to provide a highly reliable, efficient, lightweight and thin optical film assembly and a method for manufacturing the same, which is very important for improving the overall performance of military display modules.
Disclosure of Invention
The invention aims to provide a novel optical film group which is simple, stable and reliable, improves the luminous efficiency, and improves the scratch resistance, the anti-wrinkle performance and the high and low temperature resistance of the optical film group.
In order to achieve the purpose, the invention provides a novel optical film group, which comprises functional glass, a brightness enhancement film, a diffusion film, an optical light guide plate, a sealing gasket and a sealant;
the functional glass, the brightness enhancement film, the diffusion film and the optical light guide plate are flatly overlapped together from top to bottom, the contact positions at the periphery are pre-sealed by a sealing gasket, and a circle of sealant is coated for reinforcing and sealing; wherein,
the optical light guide plate is used for converting a side light source into a surface light source and carrying out light uniformization through the diffusion film, the brightness enhancement film is used for enhancing the lighting effect, and the functional glass is used for improving the weather resistance and the scratch resistance.
Preferably, the bottom surface of the light guide plate is further wrapped with a bottom surface diffuse reflection film, and the non-light-incident side is bonded by an optical double-sided tape, so that the light efficiency is improved by fully utilizing the light source entering from the side surface.
Preferably, the brightness enhancement film and the diffusion film are 1-3mm smaller than the functional glass and the optical light guide plate in size.
Preferably, an air exhaust hole is reserved when the sealing gasket is used for sealing and coating the sealing adhesive, the air exhaust hole is used for vacuumizing the membrane module after the membrane module is manufactured, and when the vacuum degree reaches below 10Pa, the sealing adhesive is used for sealing so as to realize vacuum inside the membrane module.
According to the technical scheme, aiming at the problems that the existing optical film group is poor in light effect, a large-size optical film is prone to wrinkling and poor in shock resistance, the invention provides a simple, stable and reliable optical film group, specifically, functional glass, a brightness enhancement film, a diffusion film and an optical light guide plate are flatly overlapped together from top to bottom, the contact positions at the periphery are pre-sealed by a sealing gasket, and a circle of sealing glue is coated for strengthening and sealing; the optical light guide plate is used for converting a side light source into a surface light source and performing light uniformization through the diffusion film, the brightness enhancement film is used for enhancing the light effect, and the functional glass is used for improving the weather resistance and the scratch resistance. Therefore, the optical film group improves the light efficiency, and the scratch resistance, the anti-wrinkle performance and the high and low temperature resistance of the film group.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a novel optical film assembly according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic side cross-sectional view of a novel optical film stack in one embodiment provided in accordance with the present invention;
fig. 5 is a schematic view of the bottom diffuse reflection film according to the present invention.
Description of the reference numerals
1-functional glass 2-brightening film
3-diffuser film 4-optical light guide plate
5-bottom surface diffuse reflection film 6-sealing gasket
7-sealing glue
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower" and the like included in the terms merely represent the orientation of the terms in the conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1 to 5, the present invention provides a novel optical film assembly, which includes a functional glass 1, a brightness enhancement film 2, a diffusion film 3, an optical light guide plate 4, a sealing gasket 6 and a sealing adhesive 7;
the functional glass 1, the brightness enhancement film 2, the diffusion film 3 and the optical light guide plate 4 are flatly overlapped together from top to bottom, the contact positions at the periphery are pre-sealed by a sealing gasket 6, and a circle of sealing glue 7 is coated for reinforcing and sealing; wherein,
the optical light guide plate 4 is used for converting a side light source into a surface light source and performing light uniformization through the diffusion film 3, the brightness enhancement film 2 is used for enhancing the light effect, and the functional glass 1 is used for improving the weather resistance and the scratch resistance.
In the present embodiment, in order to fully utilize the side-entering light source to improve the light efficiency, it is preferable that the bottom surface of the light guide plate 4 is further wrapped with a bottom surface diffuse reflection film 5 and the non-light-entering side is bonded by an optical double-sided tape.
In order to effectively improve the reliability of the optical film group, the sizes of the brightness enhancement film 2 and the diffusion film 3 are preferably slightly smaller than the sizes of the functional glass 1 and the optical light guide plate 4, and specifically, the sizes of the brightness enhancement film 2 and the diffusion film 3 are 1-3mm smaller than the sizes of the functional glass 1 and the optical light guide plate 4.
Furthermore, an air exhaust hole is reserved when the sealing gasket 6 is used for sealing and coating the sealing adhesive 7, the air exhaust hole is used for vacuumizing the membrane module after the membrane module is manufactured, and when the vacuum degree reaches below 10Pa, the sealing adhesive 7 is used for sealing so as to realize vacuum inside the membrane module.
By adopting the mode, the vacuum inside the film set is realized, the brightness enhancement film 2 and the diffusion film 3 are firmly clamped by the functional glass 1 and the optical light guide plate 4 under the atmospheric pressure, and the anti-wrinkle performance of the film set in high and low temperature environments and the anti-scratch performance of the film set in a vibration environment are greatly improved.
By the technical scheme, aiming at the problems that the existing optical film group is poor in light effect, a large-size optical film is prone to wrinkling and poor in shock resistance, a simple, stable and reliable optical film group is provided, the functional glass 1, the brightness enhancement film 2, the diffusion film 3 and the optical light guide plate 4 are flatly overlapped together from top to bottom, the contact positions at the periphery are pre-sealed by the sealing gasket 6, and a circle of sealing glue 7 is coated for reinforcing and sealing; therefore, the optical film group improves the light efficiency, and the scratch resistance, the anti-wrinkle performance and the high and low temperature resistance of the film group. Meanwhile, the optical film group has the advantages of simple structure, easy operation, simple and convenient manufacture and low cost.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (4)
1. A novel optical film group is characterized by comprising functional glass (1), a brightness enhancement film (2), a diffusion film (3), an optical light guide plate (4), a sealing gasket (6) and a sealing adhesive (7);
the functional glass (1), the brightness enhancement film (2), the diffusion film (3) and the optical light guide plate (4) are flatly overlapped together from top to bottom, the contact positions at the periphery are pre-sealed by a sealing gasket (6), and a circle of sealant (7) is coated for reinforcing and sealing; wherein,
the optical light guide plate (4) is used for converting a side light source into a surface light source and homogenizing light through the diffusion film (3), the brightness enhancement film (2) is used for enhancing the light effect, and the functional glass (1) is used for improving the weather resistance and the scratch resistance.
2. The novel optical film group as claimed in claim 1, wherein the bottom surface of the light guide plate (4) is further wrapped with a bottom diffuse reflection film (5) and the non-incident side is bonded by an optical double-sided tape, so as to fully utilize the side-entering light source to improve the light efficiency.
3. A novel group of optical films as claimed in claim 1, wherein the brightness enhancement film (2) and the diffuser film (3) are 1-3mm smaller than the functional glass (1) and the optical light guide plate (4).
4. A new optical film module according to claim 1, characterized in that the sealing gasket (6) is provided with a suction hole for vacuuming the film module after the completion of its manufacture and is sealed with the sealant (7) when the vacuum degree reaches below 10Pa to realize the vacuum inside the film module when the sealing gasket (7) is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137523.2A CN112147736A (en) | 2020-10-22 | 2020-10-22 | Novel optical film group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011137523.2A CN112147736A (en) | 2020-10-22 | 2020-10-22 | Novel optical film group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112147736A true CN112147736A (en) | 2020-12-29 |
Family
ID=73954559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011137523.2A Pending CN112147736A (en) | 2020-10-22 | 2020-10-22 | Novel optical film group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112147736A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215560A (en) * | 2022-07-07 | 2022-10-21 | 中航华东光电有限公司 | AF glass universal jig and AF glass production method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09127528A (en) * | 1995-10-27 | 1997-05-16 | Fujitsu Ltd | Production of liquid crystal panel |
| CN101077827A (en) * | 2006-05-26 | 2007-11-28 | 朱杨 | Multi-cavity vacuum glass and method for manufacturing same |
| CN102862337A (en) * | 2012-10-15 | 2013-01-09 | 中航华东光电有限公司 | Optical film group manufacturing method |
| CN104133326A (en) * | 2014-08-08 | 2014-11-05 | 中航华东光电有限公司 | Method for carrying out vacuum encapsulation binding on reinforcing glass of liquid crystal display module |
| CN106597598A (en) * | 2016-12-31 | 2017-04-26 | 盐城三鼎电子科技有限公司 | Novel backlight source light guide plate |
| CN106646687A (en) * | 2016-11-21 | 2017-05-10 | 中国电子科技集团公司第五十五研究所 | Method and structure improving reliability of optical membrane assembly |
| CN111302662A (en) * | 2018-12-11 | 2020-06-19 | 徐宝安 | Double-glue sealed glass interval cavity regulating and controlling vacuum heat-insulating toughened glass plate |
| CN211123550U (en) * | 2020-03-20 | 2020-07-28 | 北京航天捷越科技有限公司 | Modularized backlight assembly |
-
2020
- 2020-10-22 CN CN202011137523.2A patent/CN112147736A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09127528A (en) * | 1995-10-27 | 1997-05-16 | Fujitsu Ltd | Production of liquid crystal panel |
| CN101077827A (en) * | 2006-05-26 | 2007-11-28 | 朱杨 | Multi-cavity vacuum glass and method for manufacturing same |
| CN102862337A (en) * | 2012-10-15 | 2013-01-09 | 中航华东光电有限公司 | Optical film group manufacturing method |
| CN104133326A (en) * | 2014-08-08 | 2014-11-05 | 中航华东光电有限公司 | Method for carrying out vacuum encapsulation binding on reinforcing glass of liquid crystal display module |
| CN106646687A (en) * | 2016-11-21 | 2017-05-10 | 中国电子科技集团公司第五十五研究所 | Method and structure improving reliability of optical membrane assembly |
| CN106597598A (en) * | 2016-12-31 | 2017-04-26 | 盐城三鼎电子科技有限公司 | Novel backlight source light guide plate |
| CN111302662A (en) * | 2018-12-11 | 2020-06-19 | 徐宝安 | Double-glue sealed glass interval cavity regulating and controlling vacuum heat-insulating toughened glass plate |
| CN211123550U (en) * | 2020-03-20 | 2020-07-28 | 北京航天捷越科技有限公司 | Modularized backlight assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215560A (en) * | 2022-07-07 | 2022-10-21 | 中航华东光电有限公司 | AF glass universal jig and AF glass production method |
| CN115215560B (en) * | 2022-07-07 | 2024-04-02 | 中航华东光电有限公司 | AF glass universal jig and AF glass production method |
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Application publication date: 20201229 |
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