CN209305107U - A kind of mould group of the reflectance coating of thermal radiation resistant - Google Patents
A kind of mould group of the reflectance coating of thermal radiation resistant Download PDFInfo
- Publication number
- CN209305107U CN209305107U CN201821546223.8U CN201821546223U CN209305107U CN 209305107 U CN209305107 U CN 209305107U CN 201821546223 U CN201821546223 U CN 201821546223U CN 209305107 U CN209305107 U CN 209305107U
- Authority
- CN
- China
- Prior art keywords
- reflectance coating
- film
- circuit board
- led light
- flexible circuit
- 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.)
- Expired - Fee Related
Links
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- 239000007787 solid Substances 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 77
- 230000000694 effects Effects 0.000 abstract description 7
- 239000011104 metalized film Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 230000005670 electromagnetic radiation Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 208000019155 Radiation injury Diseases 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 239000010931 gold Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Mould group the utility model discloses a kind of reflectance coating of thermal radiation resistant includes backlight module fixed plate, inner surface in the backlight module fixed plate close to its bottom slidably connects flexible circuit board, the top of the flexible circuit board is equipped with LED light, the top of the flexible circuit board is equipped with heat radiation reflectance coating, reflectance coating is equipped at the top of the heat radiation reflectance coating, the top of the reflectance coating is equipped with prism film, the surface of the LED light is slidably connected on the inner surface of blind via hole, the inner surface of the reflective board slot is fixedly connected with reflector, the top of the ELECTROMAGNETIC REFLECTION film is equipped with scattering film.The utility model passes through setting reflector and prism film; achieve the effect that make full use of LED lamplight; it is metallized film by setting heat radiation reflectance coating; the heat radiation reflection that LED light is issued; prevent circuit board temperature in the backlight module from increasing; it influences circuit board to work normally, plays the role of protecting flexible circuit board.
Description
Technical field
The utility model relates to back light model setting technology field, specially a kind of mould group of the reflectance coating of thermal radiation resistant.
Background technique
Reflectance coating generally can be divided into two major classes, and one kind is metallic reflective coating, and one kind is full dielectric reflectance coating, in addition, also
There is the inter metal dielectric reflectance coating that the two is combined, common metal all has biggish extinction coefficient, when light beam is by air
When being incident on metal surface, decay rapidly into intrametallic light amplitude, so that the luminous energy into metal inside is accordingly reduced, and
Reflected light can increase, and extinction coefficient is bigger, and light amplitude decaying is rapider, and the luminous energy into metal inside is fewer, and reflectivity is higher,
Those of people always select backscatter extinction logarithmic ratio larger, and optical property is more stable metal is common in ultra-violet (UV) band as metal membrane material
Metal thin material is aluminium, often uses aluminium and silver in visible region, often uses gold, silver and copper in infrared region, in addition, chromium and platinum also Chang Zuoyi
The coating materials of a little specialty films reduces performance since the materials such as aluminium, silver, copper are easy to oxidation in air, so must electricity consumption
Deielectric-coating is protected, and common Protective coatings have silicon monoxide, magnesium fluoride, silica, aluminum oxide etc., and metal is anti-
The advantages of penetrating film is that preparation process is simple, and the wave-length coverage of work is wide；The disadvantage is that light loss is big, reflectivity can not be very high, in order to
The reflectivity of metallic reflective coating is further increased, the several layers of certain thickness dielectric layers of plating, composition can be added in the outside of film
Inter metal dielectric reflectance coating.But light source issues heat radiation to backlight module on the market when in use, is easy to make the backlight module
Middle circuit board temperature increases, and influences circuit board normal work, needs to improve.
Utility model content
To achieve the above object, the utility model provides the following technical solutions: a kind of mould group of the reflectance coating of thermal radiation resistant,
A kind of mould group of the reflectance coating of thermal radiation resistant, including backlight module fixed plate, close to its bottom in the backlight module fixed plate
Inner surface slidably connect flexible circuit board, the top of the flexible circuit board is equipped with LED light.
The top of the flexible circuit board is equipped with heat radiation reflectance coating, is equipped with reflectance coating at the top of the heat radiation reflectance coating,
The top of the reflectance coating is equipped with prism film, and the surface of the heat radiation reflectance coating, reflectance coating and prism film offers blind via hole,
The surface of the LED light is slidably connected on the inner surface of blind via hole, and reflective board slot is offered at the top of the prism film, described
The inner surface of reflective board slot is fixedly connected with reflector, and the top of the prism film is equipped with ELECTROMAGNETIC REFLECTION film, the ELECTROMAGNETIC REFLECTION
The top of film is equipped with scattering film, and the top of the scattering film is equipped with PET cured film, the top of the PET cured film and backlight mould
The inner surface clamping of group fixed plate
Preferably, the LED light is equipped at least five, and one of them at least five LED light is located at flexible circuit
Plate is central, other LED light at least five LED light are annularly uniformly arranged in the LED light positioned at flexible circuit board center
Surrounding.
Preferably, the LED light and flexible circuit board are electrically connected.
Preferably, OCA optics glue sticking, ELECTROMAGNETIC REFLECTION film and scattering film are used between the PET cured film and scattering film
Between use OCA optics glue sticking, between the reflectance coating and heat radiation reflectance coating use OCA optics glue sticking.
Preferably, the side of the backlight module fixed plate offers heat release hole.
Compared with prior art, the utility model has the beneficial effects that be metallized film by setting heat radiation reflectance coating,
The heat radiation reflection that LED light is issued, plays the role of protecting flexible circuit board, the electromagnetism that ELECTROMAGNETIC REFLECTION film issues LED light
Radiation reflective goes back, and reduces the electromagnetic radiation of the backlight module, has achieved the effect that reduce injury of the electromagnetic radiation to human body, lead to
Crossing setting scattering film is glass microballoon film, and scattering film scatters the light reflected by prism film, prevents the backlight module from projecting
There is dark space in light, by the way that PET cured film is arranged, increases the scattering film and ELECTROMAGNETIC REFLECTION film strength, realizes and be not susceptible to
The effect of diaphragm flexes is metallized film by setting heat radiation reflectance coating, and the heat radiation that LED light is issued is reflected, and prevents this
Circuit board temperature increases in backlight module, influences circuit board normal work, plays the role of protecting flexible circuit board.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model front view；
Fig. 2 is the top view of the utility model.
In figure: 1- backlight module fixed plate, 2- flexible circuit board, 3-LED lamp, 4- heat radiation reflectance coating, 5- reflectance coating, 6-
Prism film, 7- blind via hole, the reflective board slot of 8-, 9- reflector, 10- ELECTROMAGNETIC REFLECTION film, 11- scattering film, 12-PET cured film, 13-
Heat release hole.
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.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of mould group of the reflectance coating of thermal radiation resistant, including
Other components of the backlight module are clamped together by backlight module fixed plate 1, backlight module fixed plate 1, make the backlight module
It fits closely, the side of backlight module fixed plate 1 offers heat release hole 13, and the setting of heat release hole 13 enhances the backlight module and dissipates
Thermal effect makes backlight module steady operation at normal temperatures, the inner surface of its close bottom in backlight module fixed plate 1
Flexible circuit board 2 is slidably connected, flexible circuit board 2 is powered by external power supply, and the top of flexible circuit board 2 is equipped with LED light 3,
LED light 3 and flexible circuit board 2 are electrically connected, and LED light 3 is that the backlight module provides light source, LED light 3 equipped at least five, and
One of them at least five LED light 3 is located at 2 center of flexible circuit board, other LED light 3 at least five LED light 3 are in
The cyclic annular surrounding for being uniformly arranged in the LED light 3 positioned at 2 center of flexible circuit board, improves the reflective uniformity of the backlight module.
Fig. 1 to Fig. 2 is please referred to, the top of flexible circuit board 2 is equipped with heat radiation reflectance coating 4, and heat radiation reflectance coating 4 is to aluminize
Film, the heat radiation that LED light is issued are reflected, and are played the role of protecting flexible circuit board 2, are equipped at the top of heat radiation reflectance coating 4
Light is further reflected back the light emission direction of LED light 3, and be again passed through prism film 6 by setting reflectance coating 5 by reflectance coating 5,
To increase 3 light utilization efficiency of LED light, the top of reflectance coating 5 is equipped with prism film 6, the light that the setting of prism film 6 issues LED light 3
Line makes full use of, and the surface of heat radiation reflectance coating 4, reflectance coating 5 and prism film 6 offers blind via hole 7, and LED light 3 passes through blind via hole
7 enter the inside of prism film 6, and the surface of LED light 3 is slidably connected on the inner surface of blind via hole 7, and the top of prism film 6 opens up
There is reflective board slot 8, reflector 9 is fixedly connected on the top of prism film 6 by reflective board slot 8, and the inner surface of reflective board slot 8 is fixed
It is connected with reflector 9, the light that reflector 9 issues LED light 3 reflects, and reflects by prism film 6, using reflectance coating 5 by light
It is reflected back in prism film 6, makes full use of the light of the sendings such as LED, the top of prism film 6 is equipped with ELECTROMAGNETIC REFLECTION film 10, ELECTROMAGNETIC REFLECTION
Film 10 goes back the ELECTROMAGNETIC RADIATION REFLECTION that LED light 3 issues, and reduces the electromagnetic radiation of the backlight module, to reduce electromagnetic radiation
Injury to human body, the top of ELECTROMAGNETIC REFLECTION film 10 are equipped with scattering film 11, and scattering film 11 is glass microballoon film, and scattering film 11 will be through
The light scattering of the refraction of prism film 6 is crossed, dark space occurs in the light for preventing the backlight module from projecting, and it is hard that the top of scattering film 11 is equipped with PET
Change film 12, by the way that PET cured film 12 is arranged, increases the intensity of the backlight module mould group, realize and be not susceptible to diaphragm flexes
Effect, between PET cured film 12 and scattering film 11 use OCA optics glue sticking, between ELECTROMAGNETIC REFLECTION film 10 and scattering film 11
Using OCA optics glue sticking, OCA optics glue sticking, OCA optical cement transparency are used between reflectance coating 5 and heat radiation reflectance coating 4
Height, cementability is strong, for the extraordinary adhesive of cementing transparent optical element such as camera lens etc., has colorless and transparent, light transmission rate
It is good in 90% or more, cementing strength, it can solidify under room temperature or medium temperature, and have the features such as cure shrinkage is small, OCA optical cement is
Optics acrylic glue is made into no substrate, then in upper and lower bottom, then respectively one layer of release film of fitting, it is a kind of no basis material
Two-sided fitting adhesive tape, the inner surface of the top of PET cured film 12 and backlight module fixed plate 1 is clamped.
Working principle: the mould group of the reflectance coating of the thermal radiation resistant, after which is powered, LED light 3 shines, and then passes through
It crosses reflector 9 and the light that LED light 3 issues is reflected towards prism film 6, and reflected the light that LED light 3 issues repeatedly by prism film 6,
The light for issuing LED light 3 is evenly distributed in prism film 6, is then reflected back the light after the refraction of prism film 6 through reflectance coating 5
It in prism film 6, is reflected again through prism film 6, the light homogenous diffusion that then will be reflected from prism film 6 by scattering film 11
It goes out, dark space occurs in the light for preventing the backlight module from projecting, is metallized film by setting heat radiation reflectance coating 4, LED light is sent out
Heat radiation reflection out, prevents 2 temperature of flexible circuit board excessively high, plays the role of protecting flexible circuit board 2, ELECTROMAGNETIC REFLECTION film 10
The ELECTROMAGNETIC RADIATION REFLECTION that LED light 3 issues is gone back, the electromagnetic radiation of the backlight module is reduced, has reached reduction electromagnetic radiation pair
The effect of the injury of human body, is glass microballoon film by setting scattering film 11, and scattering film 11 dissipates the light reflected by prism film 6
It penetrates, dark space occurs in the light for preventing the backlight module from projecting, by the way that PET cured film 12 is arranged, increases 10 He of ELECTROMAGNETIC REFLECTION film
The intensity of scattering film 11 realizes the effect for being not susceptible to diaphragm flexes, is metallized film by setting heat radiation reflectance coating 4,
The heat radiation reflection that LED light is issued, plays the role of protecting flexible circuit board 2.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of mould group of the reflectance coating of thermal radiation resistant, including backlight module fixed plate (1), the backlight module fixed plate (1)
The upper inner surface close to its bottom slidably connects flexible circuit board (2), it is characterised in that: the top of the flexible circuit board (2)
Portion is equipped with LED light (3)；
The top of the flexible circuit board (2) is equipped with heat radiation reflectance coating (4), and the top of the heat radiation reflectance coating (4) is equipped with
The top of reflectance coating (5), the reflectance coating (5) is equipped with prism film (6), the heat radiation reflectance coating (4), reflectance coating (5) and rib
The surface of mirror film (6) offers blind via hole (7), and the surface of the LED light (3) is slidably connected on the inner surface of blind via hole (7),
It is offered reflective board slot (8) at the top of the prism film (6), the inner surface of the reflective board slot (8) is fixedly connected with reflector
(9), the top of the prism film (6) is equipped with ELECTROMAGNETIC REFLECTION film (10), and the top of the ELECTROMAGNETIC REFLECTION film (10) is equipped with scattering film
(11), the top of the scattering film (11) is equipped with PET cured film (12), the top of the PET cured film (12) and backlight module
The inner surface of fixed plate (1) is clamped.
2. a kind of mould group of the reflectance coating of thermal radiation resistant according to claim 1, it is characterised in that: the LED light (3) sets
One of them for having at least five, and at least five LED light (3) is located at flexible circuit board (2) center, at least five LED light
(3) other LED light (3) in are annularly uniformly arranged in the surrounding of the LED light (3) positioned at flexible circuit board (2) center.
3. a kind of mould group of the reflectance coating of thermal radiation resistant according to claim 1, it is characterised in that: the LED light (3) with
Flexible circuit board (2) is electrically connected.
4. a kind of mould group of the reflectance coating of thermal radiation resistant according to claim 1, it is characterised in that: the PET cured film
(12) OCA optics glue sticking is used between scattering film (11), and OCA light is used between ELECTROMAGNETIC REFLECTION film (10) and scattering film (11)
Glue sticking is learned, OCA optics glue sticking is used between the reflectance coating (5) and heat radiation reflectance coating (4).
5. a kind of mould group of the reflectance coating of thermal radiation resistant according to claim 1, it is characterised in that: the backlight module is solid
The side of fixed board (1) offers heat release hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821546223.8U CN209305107U (en) | 2018-09-21 | 2018-09-21 | A kind of mould group of the reflectance coating of thermal radiation resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821546223.8U CN209305107U (en) | 2018-09-21 | 2018-09-21 | A kind of mould group of the reflectance coating of thermal radiation resistant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209305107U true CN209305107U (en) | 2019-08-27 |
Family
ID=67670049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821546223.8U Expired - Fee Related CN209305107U (en) | 2018-09-21 | 2018-09-21 | A kind of mould group of the reflectance coating of thermal radiation resistant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209305107U (en) |
-
2018
- 2018-09-21 CN CN201821546223.8U patent/CN209305107U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20210921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |