CN209656924U - A kind of optics composite brightening film - Google Patents
A kind of optics composite brightening film Download PDFInfo
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- CN209656924U CN209656924U CN201920515212.1U CN201920515212U CN209656924U CN 209656924 U CN209656924 U CN 209656924U CN 201920515212 U CN201920515212 U CN 201920515212U CN 209656924 U CN209656924 U CN 209656924U
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- prismatic lens
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- adhesion
- film
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Abstract
The utility model discloses a kind of optics composite brightening film, including adhesion bottom, loss prevention layer is pasted at the top of the adhesion bottom.The optics composite brightening film, by the way that prismatic lens are arranged, the bottom of brightness enhancement film is adhered to display screen surface when in use, the light that display screen issues is gathered in blast base by the cambered surface of blast film bottom, the light of aggregation scatter propagation by prismatic lens, extraneous illumination will be assembled by light collecting layer, light after aggregation is reflected by reflective polarizer, the light injected when using in the backlight from light source is when passing through prismatic lens, only light of the incident light within a certain angular range can be just emitted by refraction action, remaining light is reflected back light source by prismatic lens edge due to being unsatisfactory for refracting condition, the light recycled by reflection can reduce the loss of bright ratio, to which retroeflection to be entered to the bright enhancing inside prismatic lens, improve the brightening effect of brightness enhancement film.
Description
Technical field
The utility model relates to Vikuiti field, specially a kind of optics composite brightening film.
Background technique
Brightness enhancement film refers to being applied in TFT LCD backlight module to improve entire back light system luminous efficiency as objective
Film or thin slice, there are mainly four types of types: general prismatic lens, multi-functional prism, micro-lens film and reflective polaroid
Deng every kind of optical film also has different marketing characters, and the main material of brightness enhancement film makes the polymer materials such as PET, PP, main function
It is to form protective layer and guarantees translucent effect.
It is widely available with intelligent touch-screen mobile phone, in order to reduce the possibility that screen is scraped off, it is suitable for mobile phone screen
Protection pad pasting just come into being, and be widely used, but traditional brightness enhancement film protection effect is poor, once by extraneous
Impact force will lead to brightness enhancement film breakage, and being close to display screen due to brightness enhancement film causes the heat-sinking capability of display screen to decrease, and cause
It is excessively high that temperature occurs in display screen, so propose a kind of optics composite brightening film.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of optics composite brightening film
Traditional brightness enhancement film protection effect is poor, once it will lead to brightness enhancement film breakage by extraneous impact force, since brightness enhancement film is close to show
Display screen causes the heat-sinking capability of display screen to decrease, and display screen is caused the excessively high problem of temperature occur.
To achieve the above object, the utility model provides the following technical solutions: a kind of optics composite brightening film, including adhesion
Bottom is pasted with loss prevention layer at the top of the adhesion bottom, blast base, the blast base is pasted at the top of the loss prevention layer
The fixed adhesion in the top of layer has prismatic lens, and light collecting layer is fixedly installed with above the prismatic lens, and the top of the light collecting layer is solid
Determining adhesion has resist layer, and outer layer is pasted at the top of the resist layer, and through-hole, the prismatic lens are offered at the top of the outer layer
Top right side adhesion have UV cured glue-line, the top left side of the prismatic lens is pasted with reflective polarizer.
Preferably, the bottom of the adhesion bottom is arc-shaped, and towards inside adhesion bottom at the top of cambered surface, the adhesion bottom
The bottom of layer is coated with viscose glue.
Preferably, the loss prevention layer intersects adhesion, the inside of prismatic lens insertion blast base with blast base.
Preferably, the prismatic lens are acrylic resin prism, and it is 20 microns to 30 that prismatic lens surface, which is height,
The microprism of micron.
Preferably, the light collecting layer is optically focused arc-shaped concave mirror, and light collecting layer is shifted to install with adjacent prismatic lens, described
Resist layer is toughening rubber piece.
Preferably, the quantity of the through-hole is no less than 20, and is uniformly distributed in the surface of outer layer, the through-hole and poly-
Photosphere is interspersed, and tilt angle is 40 degree to 50 degree to the UV cured glue-line to the right, the reflective polarizer
Tilt angle is 70 degree to 75 degree to the left.
Compared with prior art, the utility model has the beneficial effects that the optics composite brightening film, by the way that prism is arranged
Piece, is adhered to display screen surface for the bottom of brightness enhancement film when in use, and the light that display screen issues passes through blast film bottom
Cambered surface be gathered in blast base, the light of aggregation scatter propagation by prismatic lens, and extraneous illumination will be by optically focused strata
Collection, the light after aggregation are reflected by reflective polarizer, are passing through prismatic lens from the light that light source is injected when using in the backlight
When, only light of the incident light within a certain angular range can be just emitted by refraction action, remaining light is rolled over because being unsatisfactory for
It penetrates condition and light source is reflected back by prismatic lens edge, the light recycled by reflection can reduce the loss of bright ratio, thus
Retroeflection is entered into the bright enhancing inside prismatic lens, the brightening effect of brightness enhancement film is improved, by setting loss prevention layer and resist layer, prevents
Layer and the close adhesion of bottom are damaged, the impact force to display screen is reduced when by external impact or collision, it is effective to protect
Display screen is protected, resist layer uses toughening rubber material, has the function of very strong draftability and slow down impact force, avoid
Brightness enhancement film situation damaged easily after by external impacts, while by setting through-hole can be with after brightness enhancement film over-heat inside
The gas of overheat is discharged from through-hole, accelerates the heat transfer between hot gas and air, improves the service life of brightness enhancement film.
Detailed description of the invention
Fig. 1 is a kind of optics composite brightening film structural schematic diagram of the utility model；
Fig. 2 is a kind of optics composite brightening film prismatic lens top cross-sectional view of the utility model.
In figure: 1- bottom；2- loss prevention layer；3- blast base；4- prismatic lens；5- light collecting layer；6- resist layer；7- outer layer；8-
Through-hole；The UV cured glue-line of 9-；10- reflective polarizer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of embodiment provided by the utility model referring to FIG. 1-2: a kind of optics composite brightening film, including adhesion bottom
Layer 1, the top of adhesion bottom 1 is pasted with loss prevention layer 2, and the bottom for stating adhesion bottom 1 is arc-shaped, and towards adhesion bottom at the top of cambered surface
Inside layer 1, the bottom of adhesion bottom 1 is coated with viscose glue, and the top of loss prevention layer 2 is pasted with blast base 3, the top of blast base 3
The fixed adhesion in portion has prismatic lens 4, and prismatic lens 4 are acrylic resin prism, and it is 20 microns to three that 4 surface of prismatic lens, which is height,
Ten microns of microprism, loss prevention layer 2 intersect adhesion with blast base 3, and prismatic lens 4 are embedded in the inside of blast base 3, prismatic lens 4
Top be fixedly installed with light collecting layer 5, light collecting layer 5 is optically focused arc-shaped concave mirror, and light collecting layer 5 and adjacent prismatic lens 4 misplace
Setting, resist layer 6 are toughening rubber piece, and the fixed adhesion in the top of light collecting layer 5 has resist layer 6, and the top of resist layer 6 is pasted with outer
Layer 7, the top of outer layer 7 offers through-hole 8, and the top right side adhesion of prismatic lens 4 has UV cured glue-line 9, the top of prismatic lens 4
It is pasted with reflective polarizer 10 on the left of portion, the quantity of through-hole 8 is no less than 20, and is uniformly distributed in the surface of outer layer 7, through-hole
8 are interspersed with light collecting layer 5, and tilt angle is 40 degree to 50 degree to UV cured glue-line 9 to the right, reflective polarizer 10
Tilt angle is 70 degree to 75 degree to the left, and the bottom of brightness enhancement film 1 is adhered to display screen surface when in use,
The light that display screen issues is gathered in blast base 3 by the cambered surface of blast film bottom 1, and prismatic lens 4 divide the light of aggregation
It scatters propagation, extraneous illumination will be assembled by light collecting layer 5, and the light after aggregation is reflected by reflective polarizer 10, in backlight
When using in source from the light that light source is injected when passing through prismatic lens 4, so-called backlight is one kind positioned at liquid crystal display behind
Light source, its illumination effect will directly influence LCD MODULE visual effect, and liquid crystal itself does not shine, it shows figure
Or character is that it modulates light as a result, the development of backlight can trace back in World War II, at that time with microminiature tengsten lamp
As the backlight of aircraft instrument, this is the initial stage of backlight development, and by semicentennial development, nowadays backlight has been
Through becoming electronics independent educational project, and research and development hot spot is gradually formed, only light ability of the incident light within a certain angular range
It can be emitted by refraction action, remaining light is reflected back light source by 4 edge of prismatic lens due to being unsatisfactory for refracting condition, by anti-
Penetrate and the light that recycles can reduce the loss of bright ratio, thus by retroeflection enter inside prismatic lens 4 it is bright enhance, improve increasing
The brightening effect of bright film, by setting loss prevention layer 2 and resist layer 6, loss prevention layer 2 and the close adhesion of bottom 1 are hit by outside
The impact force to display screen is beaten or reduced when collision, display screen is effectively protected, resist layer 6 uses toughening rubber material
Material, has the function of very strong draftability and slows down impact force, and it is damaged easily after by external impacts to avoid brightness enhancement film
The case where, while the gas of overheat can be discharged from through-hole 8 after brightness enhancement film over-heat inside by the way that through-hole 8 is arranged, accelerate
Heat transfer between hot gas and air, improves the service life of brightness enhancement film.
Working principle: the light that display screen issues is gathered in blast base 3 by the cambered surface of blast film bottom 1, prism
The light of aggregation scatter propagation by piece 4, and extraneous illumination will be assembled by light collecting layer 5, and the light after aggregation is by reflective polarizer
Layer 10 reflects, and when using in the backlight from the light that light source is injected when passing through prismatic lens 4, only incident light is in a certain angle
Within the scope of light can be just emitted by refraction action, remaining light is anti-by 4 edge of prismatic lens because being unsatisfactory for refracting condition
It is emitted back towards light source, the light recycled by reflection can reduce the loss of bright ratio, so that retroeflection is entered the light inside prismatic lens 4
Bright enhancing, prismatic lens 4 are that prism structure made of acrylic resin is produced on PET substrate and is made using 3M microreplicated technology
Optical thin film made of making, surface are the micro-prism structures that height is 20~50 microns, according to geometric optical theory, back
The light of light source outgoing finally converges in positive apparent direction outgoing, to reach by prism film and the ringing of back light source system
To brightening effect.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of optics composite brightening film, including adhesion bottom (1), it is characterised in that: paste at the top of the adhesion bottom (1)
Have loss prevention layer (2), be pasted with blast base (3) at the top of the loss prevention layer (2), the top of the blast base (3) is fixed viscous
It is connected with prismatic lens (4), is fixedly installed with light collecting layer (5) above the prismatic lens (4), the top of the light collecting layer (5) is fixed
Adhesion has resist layer (6), is pasted with outer layer (7) at the top of the resist layer (6), offers through-hole at the top of the outer layer (7)
(8), the top right side adhesion of the prismatic lens (4) has UV cured glue-line (9), and the top left side of the prismatic lens (4) is viscous
Post reflective polarizer (10).
2. a kind of optics composite brightening film according to claim 1, it is characterised in that: the bottom of the adhesion bottom (1)
Arc-shaped and internal towards adhesion bottom (1) at the top of cambered surface, the bottom of the adhesion bottom (1) is coated with viscose glue.
3. a kind of optics composite brightening film according to claim 1, it is characterised in that: the loss prevention layer (2) and blast base
Layer (3) intersects adhesion, the inside of prismatic lens (4) insertion blast base (3).
4. a kind of optics composite brightening film according to claim 1, it is characterised in that: the prismatic lens (4) are acrylic acid
Resin prism, and prismatic lens (4) surface is the microprism that height is 20 microns to 30 microns.
5. a kind of optics composite brightening film according to claim 1, it is characterised in that: the light collecting layer (5) is optically focused arc
Shape concave mirror, and light collecting layer (5) is shifted to install with adjacent prismatic lens (4), the resist layer (6) is toughening rubber piece.
6. a kind of optics composite brightening film according to claim 1, it is characterised in that: the quantity of the through-hole (8) is many
In 20, and it is uniformly distributed in the surface of outer layer (7), the through-hole (8) is interspersed with light collecting layer (5), the ultraviolet light
Hardening glue-line (9), tilt angle is 40 degree to 50 degree to the right, and reflective polarizer (10) tilt angle to the left is
70 degree to 75 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515212.1U CN209656924U (en) | 2019-04-16 | 2019-04-16 | A kind of optics composite brightening film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515212.1U CN209656924U (en) | 2019-04-16 | 2019-04-16 | A kind of optics composite brightening film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209656924U true CN209656924U (en) | 2019-11-19 |
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ID=68529324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920515212.1U Expired - Fee Related CN209656924U (en) | 2019-04-16 | 2019-04-16 | A kind of optics composite brightening film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209656924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326201A (en) * | 2022-01-05 | 2022-04-12 | 温州博成达光学有限公司 | Polarizing film for display screen |
-
2019
- 2019-04-16 CN CN201920515212.1U patent/CN209656924U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326201A (en) * | 2022-01-05 | 2022-04-12 | 温州博成达光学有限公司 | Polarizing film for display screen |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |