CN201779519U - Back light module and liquid crystal display device - Google Patents
Back light module and liquid crystal display device Download PDFInfo
- Publication number
- CN201779519U CN201779519U CN2010205249037U CN201020524903U CN201779519U CN 201779519 U CN201779519 U CN 201779519U CN 2010205249037 U CN2010205249037 U CN 2010205249037U CN 201020524903 U CN201020524903 U CN 201020524903U CN 201779519 U CN201779519 U CN 201779519U
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- liquid crystal
- module backlight
- light source
- source assembly
- back cover
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Abstract
The utility model is applicable to the display field, which provides a back light module and a liquid crystal display device. The back light module is arranged in the liquid crystal display device and comprises a front shell and a back shell. The back light module shares the front shell and the back shell with the liquid crystal display device. A light reflective assembly, a light source assembly, a light diffusion assembly and a display of the back light module are fixedly arranged on the front shell and the back shell. The utility model omits a front iron frame and a back iron frame of the traditional back light module, directly and respectively replaces the front iron frame and the back iron frame of the traditional back light module with the front shell and the back shell of the liquid crystal display device, simultaneously fixes an optical film and a thin film transistor liquid crystal display (TFT-LCD) of the back light module by using the back shell structure of the liquid crystal display device, omits a bracket which fixes the thin film transistor liquid crystal display (TFT-LCD) in the traditional back light module and saves cost. When other parts are not changed, the thickness and weight of the back light module and the liquid crystal display device are greatly reduced, thin design is realized, the manufacture process is simple and the production efficiency is improved.
Description
Technical field
The utility model belongs to the demonstration field, relates in particular to a kind of module backlight and liquid crystal indicator.
Background technology
Advantages such as liquid crystal indicator has thin thickness, volume is little and radiation is little show the main flow of product and occupied gradually, and have replaced traditional CRT display gradually.And the demonstration of liquid crystal panel needs by a light source, as module backlight, for liquid crystal panel provides brightness abundant and uniform in-plane light.
Fig. 1 shows the structure of existing module backlight, the critical piece of this module backlight is a backlight assembly, and this backlight assembly comprises loam cake 91, LCD display 92, support 93, Photodiffusion component 94, LGP 95, light reflection subassembly 96, light source assembly 97, lower cover 98.Owing to have module backlight now and comprise that the liquid crystal indicator of this module backlight is by each manufacturer's independent design and manufacturing, module backlight has preceding chase and back chase, with it accordingly, liquid crystal indicator has fore shell and back cover, causes module backlight and liquid crystal indicator manufacturing process complexity.Simultaneously, because the preceding chase of module backlight on product structure has similar function to the fore shell of liquid crystal indicator with back cover with the back chase, cause structure to repeat, be difficult to realize ultra-thinization, and want to realize ultrathin module backlight and liquid crystal indicator, just must improve the luminous efficiency of light source assembly, and the Optical devices that other promote luminous efficiency are set, can cause cost to increase so again.
The utility model content
The purpose of the utility model embodiment is to provide a kind of module backlight, is intended to solve existing module backlight and has preceding chase and back chase, is difficult to realize lightening problem.
The utility model embodiment realizes like this, a kind of module backlight, be arranged in the liquid crystal indicator, described module backlight comprises the light reflection subassembly, be located at the Photodiffusion component in the place ahead of described smooth reflection subassembly, be located at described Photodiffusion component the place ahead display screen and be located at light source assembly between described smooth reflection subassembly and the Photodiffusion component, described module backlight also comprises fore shell and the back cover shared with described liquid crystal indicator, and described smooth reflection subassembly, light source assembly, Photodiffusion component and display screen are fixedly arranged on described fore shell and the back cover.
As optimal technical scheme of the present utility model:
The geometry of the inwall of described fore shell and back cover and size are with the corresponding geometry and the consistent size of described smooth reflection subassembly, light source assembly, Photodiffusion component and display screen.
The geometry and the corresponding coupling of size of the geometry of described fore shell inwall and size and back cover inwall.
Described module backlight comprises that also one is used for fixing the support of described light source assembly and the described Photodiffusion component of support.
Described module backlight also is provided with a chase, and described light source assembly is arranged on the described chase.
Another purpose of the utility model embodiment is to provide a kind of liquid crystal indicator, and described liquid crystal indicator comprises module backlight and external indicative control unit, and described module backlight is above-mentioned module backlight.
Establish power supply and control mainboard in the described external indicative control unit, with mould splits backlight from or be close to, link to each other by cable, can realize control operation to liquid crystal indicator.
The utility model has saved the preceding chase and the back chase of existing module backlight, directly substitute the forward and backward chase of existing module backlight respectively with the forward and backward shell of liquid crystal indicator, simultaneously, utilize the structure of liquid crystal indicator back cover, the blooming piece and the TFT-LCD display screen of fixing module backlight, saved in the existing module backlight the fixedly support of TFT-LCD display screen, saved cost, under the constant situation of miscellaneous part, the thickness and the weight of module backlight, liquid crystal indicator reduce significantly, have realized slimming.
Description of drawings
Fig. 1 is the structural representation of the module backlight that provides of prior art;
Fig. 2 is the structural representation of the module backlight that provides of the utility model embodiment;
Fig. 3 is Fig. 2 A portion enlarged drawing;
Fig. 4 is the structural representation of the liquid crystal indicator that provides of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Present embodiment provides a kind of module backlight, be arranged in the liquid crystal indicator, described module backlight comprises the light reflection subassembly, be located at the Photodiffusion component in the place ahead of described smooth reflection subassembly, be located at described Photodiffusion component the place ahead display screen and be located at light source assembly between described smooth reflection subassembly and the Photodiffusion component, described module backlight also comprises fore shell and the back cover shared with described liquid crystal indicator, and described module backlight is fixedly arranged on described fore shell and the back cover.
The utility model embodiment also provides a kind of liquid crystal indicator, and described liquid crystal indicator comprises module backlight and external indicative control unit, and described module backlight is above-mentioned module backlight.
The utility model has saved preceding chase of existing module backlight and back chase, directly substitute the forward and backward chase of existing module backlight respectively with the forward and backward shell of liquid crystal indicator, simultaneously, utilize the structure of liquid crystal indicator back cover, the blooming piece and the TFT-LCD display screen of fixing module backlight, saved in the existing module backlight the fixedly support of TFT-LCD display screen, saved cost, under the constant situation of miscellaneous part, the thickness and the weight of module backlight, liquid crystal indicator reduce significantly, have realized slimming.
Below in conjunction with specific embodiment realization of the present utility model is described in detail:
Embodiment one:
Fig. 2 shows the cross-sectional view of the module backlight that the utility model first embodiment provides, and for convenience of explanation, only shows the part relevant with present embodiment.
This module backlight is arranged at (not shown) in the liquid crystal indicator, module 1 backlight comprises light reflection subassembly 5, be located at the Photodiffusion component 3 in the place ahead of light reflection subassembly 5, be located at Photodiffusion component 3 the place ahead display screen 4 and be located at light reflection subassembly 5 and Photodiffusion component 3 between light source assembly 2, described module backlight 1 also comprises fore shell 12 and the back cover 11 shared with described liquid crystal indicator, and light reflection subassembly 5, light source assembly 2, Photodiffusion component 3, display screen 4 are fixedly arranged on described fore shell 12 and the back cover 11.
In order better light reflection subassembly 5, light source assembly 2, Photodiffusion component 3, display screen 4 to be fixed on fore shell 12 and the back cover 11, the geometry of the inwall of fore shell 12 and back cover 11 and size are with the corresponding geometry and the consistent size of light reflection subassembly 5, light source assembly 2, Photodiffusion component 3, display screen 4.
Particularly, as shown in Figure 3, Fig. 3 is Fig. 2 A portion enlarged drawing.Light source assembly 2 is positioned on the chase 6, and it is fixing by support 7, the internal structure of chase 6 and described back cover 11 corresponding couplings, connect and fix mutually or fixedly connected by securing members such as screws, the heat that light source assembly 2 sends can pass by chase 6, effectively reduces the heat of entire aphototropism mould; Support 7 is used for fixing light source assembly 2 on the one hand, on the other hand can support level the Photodiffusion component 3 of side thereon, and by the draw-in groove 13 on the back cover 1, it is fixing that clamping makes Photodiffusion component 3 mutually; In order to improve light utilization, also be provided with tapered smooth reflection subassembly 5, light reflection subassembly 5 tops are fixed on the described chase 6, and the bottom connects and fixes by the draw-in groove 13 of back cover 11; The display screen 4 that is positioned at above the Photodiffusion component 3 is undertaken spacing by 14 pairs of display screens of the stage on the back cover 11 4.The geometry and the corresponding coupling of size of the geometry of described fore shell 12 inwalls and size and back cover 11 inwalls connect and fix mutually or fix by screw.
Embodiment two:
As shown in Figure 4, be the liquid crystal indicator that the utility model embodiment provides.Described liquid crystal indicator has above-mentioned module backlight 10 and external indicative control unit 20, establish power supply 201 and control mainboard 202 in the described external indicative control unit 20, separate or be close to module 10 backlight, link to each other, can realize control operation the liquid crystal indicator image by cable.
The utility model has saved the preceding chase and the back chase of existing module backlight, directly substitute the forward and backward chase of existing module backlight respectively with the forward and backward shell of liquid crystal indicator, simultaneously, utilize the structure of liquid crystal indicator back cover, the blooming piece and the TFT-LCD display screen of fixing module backlight, saved in the existing module backlight the fixedly support of TFT-LCD display screen, saved cost, under the constant situation of miscellaneous part, the thickness and the weight of module backlight, liquid crystal indicator reduce significantly, have realized slimming.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. module backlight, be arranged in the liquid crystal indicator, described module backlight comprises the light reflection subassembly, be located at the Photodiffusion component in the place ahead of described smooth reflection subassembly, be located at described Photodiffusion component the place ahead display screen and be located at light source assembly between described smooth reflection subassembly and the Photodiffusion component, it is characterized in that, described module backlight also comprises fore shell and the back cover shared with described liquid crystal indicator, and described smooth reflection subassembly, light source assembly, Photodiffusion component and display screen are fixedly arranged on described fore shell and the back cover.
2. module backlight as claimed in claim 1 is characterized in that: the geometry of the inwall of described fore shell and back cover and size, and with the corresponding geometry and the consistent size of described smooth reflection subassembly, light source assembly, Photodiffusion component and display screen.
3. module backlight as claimed in claim 1 is characterized in that: the geometry and the corresponding coupling of size of the geometry of described fore shell inwall and size and back cover inwall.
4. as claim 1,2 or 3 described modules backlight, it is characterized in that: described module backlight comprises that also one is used for fixing the support of described light source assembly and the described Photodiffusion component of support.
5. module backlight as claimed in claim 1 is characterized in that: described module backlight also is provided with a chase, and described light source assembly is arranged on the described chase.
6. liquid crystal indicator, comprise module backlight and external indicative control unit, described module backlight comprises fore shell, light reflection subassembly, be located at the Photodiffusion component in the place ahead of described smooth reflection subassembly, be located at described Photodiffusion component the place ahead display screen and be located at light source assembly and back cover between described smooth reflection subassembly and the Photodiffusion component, it is characterized in that included light reflection subassembly, light source assembly, Photodiffusion component and the display screen of described module backlight is fixedly arranged on described fore shell and the back cover;
The corresponding coupling of interior wall construction of included light reflection subassembly, light source assembly, Photodiffusion component and the display screen of described module backlight and described fore shell and back cover.
7. liquid crystal indicator as claimed in claim 6 is characterized in that: the geometry and the corresponding coupling of size of the geometry of described fore shell inwall and size and back cover inwall.
8. liquid crystal indicator as claimed in claim 7 is characterized in that: establish power supply and control mainboard in the described external indicative control unit, with mould splits backlight from or be close to, link to each other by cable.
9. as claim 6,7 or 8 described liquid crystal indicators, it is characterized in that: described module backlight comprises that also one is used for fixing the support of described light source assembly and the described Photodiffusion component of support.
10. liquid crystal indicator as claimed in claim 9 is characterized in that: described module backlight also is provided with a chase, and described light source assembly is arranged on the described chase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205249037U CN201779519U (en) | 2010-09-10 | 2010-09-10 | Back light module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205249037U CN201779519U (en) | 2010-09-10 | 2010-09-10 | Back light module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201779519U true CN201779519U (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205249037U Expired - Fee Related CN201779519U (en) | 2010-09-10 | 2010-09-10 | Back light module and liquid crystal display device |
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| Country | Link |
|---|---|
| CN (1) | CN201779519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10310310B2 (en) | 2015-02-09 | 2019-06-04 | Boe Technology Group Co., Ltd. | Display module and display device |
-
2010
- 2010-09-10 CN CN2010205249037U patent/CN201779519U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10310310B2 (en) | 2015-02-09 | 2019-06-04 | Boe Technology Group Co., Ltd. | Display module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DIHAO ELECTRONIC (YANGZHOU) CO., LTD. Free format text: FORMER OWNER: DIGUANG ELECTRONIC CO., LTD., SHENZHEN Effective date: 20130712 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518026 SHENZHEN, GUANGDONG PROVINCE TO: 225000 YANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130712 Address after: 225000, No. 8, Wu Xi Road, Yangzhou Economic Development Zone, Jiangsu province (Sichuan Photoelectric Industrial Park) Patentee after: Imperial electronic (Yangzhou) Co. Ltd. Address before: Futian District Shenzhen City, Guangdong Province, CaiTian road 518026 No. 3069 Galaxy A 23 storey Century Towers Patentee before: Diguang Electronic Co., Ltd., Shenzhen |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20150910 |
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| EXPY | Termination of patent right or utility model |