CN205374937U - Novel liquid crystal display backlight unit - Google Patents
Novel liquid crystal display backlight unit Download PDFInfo
- Publication number
- CN205374937U CN205374937U CN201521127923.XU CN201521127923U CN205374937U CN 205374937 U CN205374937 U CN 205374937U CN 201521127923 U CN201521127923 U CN 201521127923U CN 205374937 U CN205374937 U CN 205374937U
- Authority
- CN
- China
- Prior art keywords
- enhancement film
- bright enhancement
- diffusion barrier
- diffusion
- lustre
- 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
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model belongs to the technical field of liquid crystal display, indicate specifically that the equipment is simple, the cost is lower, and the novel liquid crystal display backlight unit of light source high -usage, including reflector plate, LCD display screen, light guide plate and the diffusion complex film that adds lustre to, the subsides of light guide plate side are equipped with LED lamp strip, the diffusion complex film that adds lustre to includes to fold about two -layer to be established and the lower membrane that adds lustre to on and that adds lustre to of adhere together, the upper surface of membrane of adding lustre to down has a plurality of upwards protrudingly and parallel a plurality of prism strips down each other, the upper surface of membrane of adding lustre to down has a plurality of upwards protrudingly and parallel a plurality of prism strips of going up each other, there is the contained angle between the length direction of last prism strip and the length direction of lower prism strip, angle range is less than 360 for being greater than 0, the membrane is added lustre to still including being used for the last diffusion barrier and lower diffusion barrier with the even diffusion of light to the complex, upward the diffusion barrier is folded and is located add lustre to on the membrane the top and rather than bonding mutually, the diffusion barrier is folded and is located down the lower membrane that adds lustre to the below and rather than bonding mutually.
Description
Technical field
This utility model belongs to technical field of liquid crystal display, refers specifically to a kind of novel LCD backlight module.
Background technology
Along with the development of science and technology, LED liquid crystal display has started to the formal eyeball stepping into people.LED liquid crystal display major advantage is that color is more gorgeous, and energy-conserving and environment-protective, so namely will progressively replace CCFL liquid crystal display, becomes the liquid crystal display of modern society's main flow, LCD TV.
The structure of traditional backlight module includes light guide plate; the bottom surface of light guide plate is provided with reflecting plate, and the incidence surface of light guide plate is provided with light source, and the exiting surface of light guide plate is provided with the first diffusion barrier; first diffusion barrier arranges two layers of brightness enhancement film, finally adds the second diffusion barrier of one layer of tool protective effect.
The backlight module of this structure needs to use more blooming piece, and relatively costly, light source utilization rate is not good yet.
Summary of the invention
In order to overcome defect of the prior art, the purpose of this utility model is in that providing a kind of assembles simply, less costly, and the novel LCD backlight module that light source utilization rate is high.
The purpose of this utility model is achieved in that
A kind of novel LCD backlight module, including reflector plate and LCD display, described reflector plate is disposed with light guide plate and the diffusion composite membrane that adds lustre to；The described diffusion composite membrane that adds lustre to is positioned at below LCD display；Described light guide plate side has been sticked LED lamp bar；The described diffusion composite membrane that adds lustre to includes the two-layer folded lower bright enhancement film setting and being bonded together up and down and upper bright enhancement film, the upper surface of described lower bright enhancement film has multiple raising up and multiple lower prism bar parallel each other, the upper surface of described lower bright enhancement film has multiple raising up and multiple upper prism bar parallel each other, angle is there is between length direction and the length direction of described lower prism bar of described upper prism bar, described angular range for more than 0 ° less than 360 °, described composite bright enhancement film also includes the upper diffusion barrier for being spread by uniform light and lower diffusion barrier, described upper diffusion barrier is stacked at the top of described upper bright enhancement film and mutually bonding with it；Described lower diffusion barrier is stacked at the lower section of described lower bright enhancement film and mutually bonding with it.
This utility model is further arranged to: the outer side edges of described LED lamp bar is provided with heat-conducting glue.
This utility model is further arranged to: described angle is 90 °.
This utility model is further arranged to: the top spacing between described two adjacent described upper prism bar, and the top spacing between adjacent two described lower prism bar respectively 8～70 microns.
This utility model is further arranged to: described upper prism bar, and the height of described prism bar respectively 5～15 microns.
This utility model is further arranged to: the thickness of described upper bright enhancement film and described lower bright enhancement film is 25～600 microns.
This utility model highlights compared to existing technology and useful having the technical effect that has saved cost by reflector plate, LCD display, light guide plate and the diffusion composite membrane that adds lustre to, arranging of LED lamp bar, ease of assembly, improves packaging efficiency；Composite bright enhancement film is relative with the face, place of the lower prism bar upwards of lower bright enhancement film by the table plane down of upper bright enhancement film, and up and down folded set after be bonded together by compound adhesive and to constitute an entirety, product quality is higher, and production process is simple, is substantially reduced cost.
Accompanying drawing explanation
Fig. 1 is STRUCTURE DECOMPOSITION figure of the present utility model；
Fig. 2 be this utility model add lustre to diffusion composite membrane STRUCTURE DECOMPOSITION figure；
Fig. 3 be this utility model add lustre to diffusion composite membrane sectional view.
Number in the figure implication:
1-reflector plate；2-LCD display screen；3-light guide plate；4-adds lustre to diffusion composite membrane；5-LED lamp bar；
Bright enhancement film under 51-；Prism bar under 511-；The upper bright enhancement film of 52-；The upper prism bar of 521-；The upper diffusion barrier of 6-；
Diffusion barrier under 7-；8-heat-conducting glue.
Detailed description of the invention
This utility model is further described with specific embodiment below in conjunction with accompanying drawing:
Shown in Fig. 1, Fig. 2, Fig. 3, a kind of novel LCD backlight module, including reflector plate 1 and LCD display 2, described reflector plate 1 is disposed with light guide plate 3 and the diffusion composite membrane 4 that adds lustre to；The described diffusion composite membrane 4 that adds lustre to is positioned at below LCD display 2；Described light guide plate 3 side has been sticked LED lamp bar 5；Cost has been saved by reflector plate 1, LCD display 2, light guide plate 3 and the diffusion composite membrane 4 that adds lustre to, arranging of LED lamp bar 5, ease of assembly, improve packaging efficiency；The described diffusion composite membrane 4 that adds lustre to includes the two-layer folded lower bright enhancement film 51 set and be bonded together and upper bright enhancement film 52 up and down, the thickness of described upper bright enhancement film 52 and described lower bright enhancement film 51 is 25～600 microns, so convenient production, source light can being made to be utilized effectively, display light is bright and uniform simultaneously.
The upper surface of described lower bright enhancement film 51 has multiple raising up and multiple lower prism bar 511 parallel each other, the upper surface of described lower bright enhancement film 51 has multiple raising up and multiple upper prism bar 521 parallel each other, angle is there is between length direction and the length direction of described lower prism bar 511 of described upper prism bar 521, described angular range for more than 0 ° less than 360 °, the present embodiment angle is preferably 90 °, certain angle is there is between upper prism bar 521 and described lower prism bar 511, launch the dispersion angle of light from light source such that it is able to adjust and converge light luminance.
The described diffusion composite membrane 4 that adds lustre to also includes the upper diffusion barrier 6 for being spread by uniform light and lower diffusion barrier 7, and described upper diffusion barrier 6 is stacked at the top of described upper bright enhancement film 52 and mutually bonding with it；Described lower diffusion barrier 7 is stacked at the lower section of described lower bright enhancement film 51 and mutually bonding with it, in the present embodiment, upper diffusion barrier 6, upper bright enhancement film 52, lower bright enhancement film 51 are folded up and down successively with lower diffusion barrier 7 and are set and bonding by compound adhesive, namely constituting 4 conjunction 1 composite membranes, compound adhesive is acrylic compound adhesive.Speed time bonding is 5～10 meters/min, and pressure is 0.5～1MPa, and temperature is 15 DEG C～25 DEG C, and such product quality is higher, and production process is simple, is substantially reduced cost.
It is further arranged to: the outer side edges of described LED lamp bar 5 is provided with heat-conducting glue 8, and LED lamp bar 5 is carried out heat conduction by convenience, it is to avoid LED lamp bar 5 is heat affecting service life excessively.
It is further arranged to: the top spacing between described two adjacent described upper prism bar 521, and the top spacing between adjacent two described lower prism bar 511 respectively 8～70 microns, described upper prism bar 521, and the height of described prism bar respectively 5～15 microns, reflecting effect can be increased by such setting, uniform light can be spread, make display light bright and uniform.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (6)
1. LCD backlight module one kind novel, it is characterised in that: include reflector plate and LCD display, described reflector plate is disposed with light guide plate and the diffusion composite membrane that adds lustre to；The described diffusion composite membrane that adds lustre to is positioned at below LCD display；Described light guide plate side has been sticked LED lamp bar；The described diffusion composite membrane that adds lustre to includes the two-layer folded lower bright enhancement film setting and being bonded together up and down and upper bright enhancement film, the upper surface of described lower bright enhancement film has multiple raising up and multiple lower prism bar parallel each other, the upper surface of described lower bright enhancement film has multiple raising up and multiple upper prism bar parallel each other, angle is there is between length direction and the length direction of described lower prism bar of described upper prism bar, described angular range for more than 0 ° less than 360 °, described composite bright enhancement film also includes the upper diffusion barrier for being spread by uniform light and lower diffusion barrier, described upper diffusion barrier is stacked at the top of described upper bright enhancement film and mutually bonding with it；Described lower diffusion barrier is stacked at the lower section of described lower bright enhancement film and mutually bonding with it.
2. a kind of novel LCD backlight module according to claim 1, it is characterised in that: the outer side edges of described LED lamp bar is provided with heat-conducting glue.
3. a kind of novel LCD backlight module according to claim 1, it is characterised in that: described angle is 90 °.
4. a kind of novel LCD backlight module according to claim 1, it is characterised in that: the top spacing between described two adjacent described upper prism bar, and the top spacing between adjacent two described lower prism bar respectively 8～70 microns.
5. a kind of novel LCD backlight module according to claim 1, it is characterised in that: described upper prism bar, and the height of described prism bar respectively 5～15 microns.
6. a kind of novel LCD backlight module according to claim 1, it is characterised in that: the thickness of described upper bright enhancement film and described lower bright enhancement film is 25～600 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521127923.XU CN205374937U (en) | 2015-12-30 | 2015-12-30 | Novel liquid crystal display backlight unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521127923.XU CN205374937U (en) | 2015-12-30 | 2015-12-30 | Novel liquid crystal display backlight unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205374937U true CN205374937U (en) | 2016-07-06 |
Family
ID=56257942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521127923.XU Expired - Fee Related CN205374937U (en) | 2015-12-30 | 2015-12-30 | Novel liquid crystal display backlight unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205374937U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109477939A (en) * | 2016-07-26 | 2019-03-15 | 株式会社Lms | Maqting type optical sheet module |
| CN109716352A (en) * | 2018-12-17 | 2019-05-03 | 深圳市汇顶科技股份有限公司 | Liquid crystal display fingerprint mould group shields lower fingerprint recognition system and electronic equipment |
| WO2020181457A1 (en) * | 2019-03-11 | 2020-09-17 | 深圳阜时科技有限公司 | Backlight module, display device and electronic device |
-
2015
- 2015-12-30 CN CN201521127923.XU patent/CN205374937U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109477939A (en) * | 2016-07-26 | 2019-03-15 | 株式会社Lms | Maqting type optical sheet module |
| CN109716352A (en) * | 2018-12-17 | 2019-05-03 | 深圳市汇顶科技股份有限公司 | Liquid crystal display fingerprint mould group shields lower fingerprint recognition system and electronic equipment |
| WO2020181457A1 (en) * | 2019-03-11 | 2020-09-17 | 深圳阜时科技有限公司 | Backlight module, display device and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205374937U (en) | Novel liquid crystal display backlight unit | |
| CN101936509A (en) | Backlight structure and production method thereof | |
| CN206990984U (en) | A kind of micro- complex optical film that adds lustre to for backlight module | |
| CN207833185U (en) | A kind of backlight module and display device | |
| CN103278873A (en) | Color filter structure and liquid crystal display panel using same | |
| CN102591078B (en) | Liquid crystal light valve structure | |
| CN107632459A (en) | Liquid crystal display and its backlight module | |
| WO2016187907A1 (en) | Backlight unit and liquid crystal display | |
| CN206990982U (en) | A kind of complex optical film that adds lustre to for backlight module | |
| WO2019127728A1 (en) | Quantum dot film for backlight module, backlight module, and liquid crystal display device | |
| CN101458418B (en) | Complex optical film series and method for producing the same | |
| KR20130039463A (en) | Multi-sheet for back light unit and method thereof | |
| CN205374796U (en) | Glass light guide plate and liquid crystal display module thereof | |
| CN106970485A (en) | A kind of display device | |
| CN104820259B (en) | Light guide plate, backlight module and display device | |
| WO2015180195A1 (en) | Backlight module and liquid crystal display | |
| CN206892378U (en) | A kind of composite membrane that adds lustre to for LCD backlight module | |
| CN206270536U (en) | A kind of leaded light component for entering bar with quantum dot side | |
| US20160306081A1 (en) | Prism film, method for manufacturing the prism film, and liquid crystal display device | |
| US20150338701A1 (en) | Color filter substrate and manufacturing method thereof and display device | |
| CN208636454U (en) | Light guide plate, backlight module and display device | |
| CN206990983U (en) | A kind of micro- composite membrane for LCD backlight module | |
| CN206387980U (en) | A kind of LCDs for improving display effect | |
| CN206892377U (en) | A kind of composite membrane for LCD backlight module | |
| CN202583654U (en) | Liquid crystal light valve and arc welding mask applying same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20211230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |