CN201827771U - Backlight module group and liquid crystal television - Google Patents
Backlight module group and liquid crystal television Download PDFInfo
- Publication number
- CN201827771U CN201827771U CN2010205325045U CN201020532504U CN201827771U CN 201827771 U CN201827771 U CN 201827771U CN 2010205325045 U CN2010205325045 U CN 2010205325045U CN 201020532504 U CN201020532504 U CN 201020532504U CN 201827771 U CN201827771 U CN 201827771U
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- China
- Prior art keywords
- reflector plate
- heat shield
- support heat
- module backlight
- postnotum
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- 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
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- 239000004973 liquid crystal related substance Substances 0.000 title abstract description 3
- 239000000463 material Substances 0.000 claims description 13
- 238000009792 diffusion process Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 9
- 230000005142 aphototropism Effects 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 7
- 239000005020 polyethylene terephthalate Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- -1 Polyethylene Terephthalate Polymers 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Abstract
The embodiment of the utility model discloses a backlight module group, which comprises a back plate, a reflecting sheet, an optical membrane, a lateral light source and a support heat insulation sheet, wherein the reflecting sheet is positioned on the back plate, the optical membrane is positioned on the reflecting sheet, and the support heat insulation sheet is pasted with the reflecting sheet. Correspondingly, the embodiment of the utility model also discloses a liquid crystal television. When the utility model is adopted, the curving deformation problem of the reflecting sheet can be perfectly solved, the cost can be saved, and the practicability is improved.
Description
Technical field
The utility model relates to technical field of television sets, relates in particular to a kind of module backlight and LCD TV.
Background technology
LCD TV, especially large-size ultra-thin LCD TV, its module backlight generally by: postnotum, light source, reflector plate and blooming piece are formed, under the situation that liquid crystal panel is determined, the optical design of module backlight has very big flexibility, such as: between reflector plate and blooming piece, also can design LGP, be used to realize the leaded light effect; Certainly, between reflector plate and blooming piece, also can not design LGP, and directly adopt the air gap to carry out leaded light.For another example: the light source of module backlight can be LED (Light Emitting Diode, light emitting diode) lamp bar, also can be CCFL (Cold Cathode Fluorescent Lamp, cathode fluorescent tube) fluorescent tube.And for example: module backlight can also can be designed as down straight aphototropism mode set etc. for side-light type module backlight, and wherein, side-light type module backlight is because its superiority has obtained extensive use.
See also Fig. 1, be the structural representation of existing module backlight; Wherein, 1 is blooming piece; 2 is LGP (also this LGP 2 not, and adopt the air gap leaded light), and itself and described blooming piece 1 fit; 3 is reflector plate; 4 is postnotum, and it is used to support entire aphototropism mould, and is used to dispel the heat; 5 is the sidelight source, and it can be LED lamp bar or CCFL fluorescent tube.Reflector plate 3 between LGP 2 and described postnotum 4 is requisite parts in the optics of module backlight, and it has played bigger decisive role to optical effect, complete machine grade.
In the module backlight of existing large-size ultra-thin TV, reflector plate 3 generally is to lie directly on the postnotum 4, because postnotum 4 is not the plane, the groove of a lot of cablings that distributed therebetween and the groove that is used for fixing movement, simultaneously, the reflector plate that is provided with is all thinner, therefore, in television operations, because the temperature of entire aphototropism mould is higher, make the reflector plate 3 on it be easy to buckling deformation, especially under the situation of variation of ambient temperature.The buckling deformation meeting of reflector plate 3 makes complete machine under open state, understands the situation of brightness irregularities such as bright of appearance, phaeodium on its display screen, influences the vision grade and the visual effect of complete machine.Present solution is: the thickness of thickening reflector plate PET (Polyethylene Terephthalate, PETG) base material is controlled the breathing rate.The inventor finds in implementing process of the present utility model, because LCD TV has stepped into middle and low-end market, demand increases severely, and the former material anxiety of global PET, supply falls short of demand for the thick reflector plate of desired high low temperature in the existing solution, and thickeied reflector plate and cost an arm and a leg, and do not met the market trend of LCD TV low-cost and high-quality, thereby reduced practicality.
The utility model content
The purpose of this utility model is, a kind of module backlight and LCD TV are provided, and adopts general material, solves the buckling deformation problem of reflector plate preferably, and cost-saved, improves practicality.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of module backlight, comprise postnotum, be positioned at the reflector plate on the described postnotum, be positioned at the blooming piece on the described reflector plate, and the sidelight source, also comprise: support heat shield, described support heat shield and described reflector plate fit.
Wherein, described support heat shield is following diffusion sheet or PET sheet material.
Wherein, described support heat shield is between described reflector plate and described postnotum, and described support heat shield and described reflector plate are directly fitted, and perhaps directly described support heat shield and described reflector plate are fixed on the postnotum.
Wherein, described support heat shield is between described reflector plate and described postnotum, be fixed on the described reflector plate by connector,, perhaps directly described support heat shield and described reflector plate be fixed on the postnotum to realize the applying of described support heat shield and reflector plate.
Wherein, also comprise: LGP, described LGP is between described blooming piece and described reflector plate.
Wherein, described support heat shield and is directly fitted with described reflector plate between described reflector plate and described LGP.
Wherein, described support heat shield and is fixed on the described reflector plate by connector between described reflector plate and described LGP, to realize the applying of described support heat shield and reflector plate.
Wherein, described connector is: screw or buckle.
Correspondingly, the utility model embodiment also provides a kind of LCD TV, comprises shell and display screen, also comprise: above-mentioned module backlight, described module backlight is coated within the described shell, and is positioned at after the described display screen, and it provides backlight for described display screen.
Implement the utility model embodiment, have following beneficial effect:
1, the utility model embodiment sets up the support heat shield in existing back light module unit structure, itself and reflector plate are fitted, can be that reflector plate provides support and heat-blocking action, use with the reflector plate collocation, can effectively solve the problem of the buckling deformation of reflector plate, promote practicality.
2, the support heat shield of the utility model embodiment adopts diffusion sheet or PET sheet material down, and the two is general material, can effectively save cost, has promoted practicality.
But 3, support the heat shield flexible design in module backlight, use, make the design of module backlight more flexible, and performance is more superior, has further promoted practicality with the reflector plate collocation.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of existing module backlight;
Fig. 2 is the structural representation of first embodiment of module backlight of the present utility model;
Fig. 3 is the structural representation of second embodiment of module backlight of the present utility model.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of LCD TV, comprises shell, display screen, also comprises module backlight, and this module backlight is coated in the described shell, and is positioned at after the described display screen, provides backlight for described display screen shows.
For clearer explanation the utility model, will the module backlight that LCD TV adopted among the utility model embodiment be described in detail below.
See also Fig. 2, be the structural representation of first embodiment of module backlight of the present utility model; Identical with existing back light module unit structure, the module described backlight of the utility model embodiment comprises: blooming piece 10, reflector plate 30, postnotum 40 and sidelight source 50.As shown in Figure 2, described module backlight also comprises:
Support heat shield 60, itself and described reflector plate 30 fit.
In the specific implementation, described support heat shield 60 is used to support described reflector plate 30, and described reflector plate 30 supported with heat insulation, because supporting heat shield 60 provides support and heat-blocking action for described reflector plate 30, therefore, the reflector plate buckling deformation can not occur no matter adopt the LCD TV of this kind module backlight to be operated under high temperature or the low temperature condition, thereby make the display brightness of display screen even, guarantee the vision grade and the visual effect of LCD TV.
Particularly, described support heat shield 60 can be following diffusion sheet, PET sheet material or other the raw-material sheet materials with similar deflection.Consider the versatility of cost and material, preferably, described support heat shield 60 is following diffusion sheet, this time diffusion sheet is the universal optical diaphragm, be the blooming piece that present technology is the most ripe, supply is the most stable, described support heat shield 60 adopts diffusion sheet down, can effectively save cost.
See also Fig. 2 again, described support heat shield 60 and is directly fitted with described reflector plate 30 between described reflector plate 30 and described postnotum 40.In the practical set process, can on described postnotum 40, directly place described support heat shield 60, and then on described support heat shield 60, place described reflector plate 30, can realize that then described support heat shield 60 fits, on described reflector plate 30, assemble described blooming piece 10 at last again, light source is assemblied in the side forms sidelight source 50, then realized the assembling process of entire aphototropism mould.
In addition, in order to guarantee to support effective applying of heat shield 60 and described reflector plate 30, can adopt connector, such as: screw or buckle, described support heat shield 60 is fixed with described reflector plate 30, realize the applying of described support heat shield and reflector plate, and then fixedly the integral body after the applying places on the described postnotum 40, described support heat shield 60 is fitted with described postnotum 40; On described reflector plate 30, assemble described blooming piece 10 at last again, light source is assemblied in the side forms sidelight source 50, then realized the assembling process of entire aphototropism mould.
Certainly, also can directly be fixed on described support heat shield 60 on the postnotum 40 with described reflector plate 30, wherein, described support heat shield 60 is between described reflector plate 30 and described postnotum 40.
The utility model embodiment adopts general material, has solved the buckling deformation problem of reflector plate preferably, and cost-saved, has improved practicality.
See also Fig. 3, be the structural representation of second embodiment of module backlight of the present utility model.The basic structure of present embodiment, start principle and assembling process are all identical with a last embodiment, and its difference only is that in the present embodiment, described module backlight also comprises:
LGP 20, it is between described blooming piece 10 and described reflector plate 30.
As described above, module backlight can adopt the dual mode leaded light, and one is: directly adopt the air gap to carry out leaded light; It two is: adopt LGP to carry out leaded light.A last embodiment has embodied and has adopted the air gap to carry out the structure of the module backlight of leaded light; Present embodiment has then embodied and has adopted LGP 20 to carry out the structure of the module backlight of leaded light.Be understandable that in the present embodiment, described support heat shield 60 can adopt the identical mounting means with a last embodiment; Owing to introduce LGP, therefore, also there has been more flexibility the installation site of described support heat shield 60 but in the present embodiment.
In the specific implementation, described support heat shield 60 can be between described reflector plate 30 and described LGP 20, and directly fits with described reflector plate 30.In the practical set process, can on described postnotum 40, directly place described reflector plate 30, and then on described reflector plate 30, place described support heat shield 60, place described LGP 20 on it again, make described support heat shield 60 and 30 compactings of described reflector plate fix and fit by LGP 20, the described blooming piece 10 of assembling on LGP 20 is assemblied in the side with light source and forms sidelight source 50 at last, has then realized the assembling process of entire aphototropism mould.
In addition, in order to guarantee to support effective applying of heat shield 60 and described reflector plate 30, can adopt connector equally, such as: screw or buckle, described support heat shield 60 and described reflector plate 30 are fixed, realize the applying of described support heat shield and reflector plate, and then fixedly the integral body after the applying places between described LGP 20 and the described postnotum 40, described support heat shield 60 and the LGP 20 on it are fitted, described reflector plate 30 and the postnotum 40 under it are fitted; The described blooming piece 10 of assembling on LGP 20 is assemblied in the side with light source and forms sidelight source 50 at last, has then realized the assembling process of entire aphototropism mould.
Certainly, also can directly be fixed on described support heat shield 60 on the postnotum 40 with described reflector plate 30, wherein, described reflector plate 30 is provided with LGP 20 then on described support heat shield 60 between described support heat shield 60 and described postnotum 40.
Description by the foregoing description, the utility model embodiment sets up the support heat shield in existing back light module unit structure, itself and reflector plate are fitted, can be that reflector plate provides support and heat-blocking action, use with the reflector plate collocation, can effectively solve the problem of the buckling deformation of reflector plate, promote practicality.The support heat shield of the utility model embodiment adopts diffusion sheet or PET sheet material down, and the two is general material, can effectively save cost, has promoted practicality.But support the heat shield flexible design in module backlight, use, make the design of module backlight more flexible, and performance is more superior, has further promoted practicality with the reflector plate collocation.
Above disclosed only is the utility model preferred embodiment, certainly can not limit the interest field of the utility model with this, one of ordinary skill in the art will appreciate that all or part of flow process that realizes the foregoing description, and according to the equivalent variations that the utility model claim is done, the scope that still belongs to utility model and contained.
Claims (9)
1. a module backlight comprises postnotum, is positioned at the reflector plate on the described postnotum, is positioned at the blooming piece on the described reflector plate, and the sidelight source, it is characterized in that, also comprises:
Support heat shield, described support heat shield and described reflector plate fit.
2. module backlight as claimed in claim 1 is characterized in that:
Described support heat shield is following diffusion sheet or PET sheet material.
3. module backlight as claimed in claim 2 is characterized in that:
Described support heat shield is between described reflector plate and described postnotum, and described support heat shield and described reflector plate are directly fitted, and perhaps directly described support heat shield and described reflector plate is fixed on the described postnotum.
4. module backlight as claimed in claim 2 is characterized in that:
Described support heat shield is between described reflector plate and described postnotum, described support heat shield is fixed on the described reflector plate by connector, to realize the applying of described support heat shield and reflector plate, perhaps directly described support heat shield and described reflector plate are fixed on the described postnotum.
5. module backlight as claimed in claim 2 is characterized in that, also comprises:
LGP, described LGP is between described blooming piece and described reflector plate.
6. module backlight as claimed in claim 5 is characterized in that:
Described support heat shield and is directly fitted with described reflector plate between described reflector plate and described LGP.
7. module backlight as claimed in claim 5 is characterized in that:
Described support heat shield and is fixed on the described reflector plate by connector between described reflector plate and described LGP, to realize the applying of described support heat shield and reflector plate.
8. as claim 4 or 7 described modules backlight, it is characterized in that:
Described connector is: screw or buckle.
9. a LCD TV comprises shell and display screen, it is characterized in that, also comprise: as each described module backlight of claim 1-7, described module backlight is coated within the described shell, and is positioned at after the described display screen, and it provides backlight for described display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205325045U CN201827771U (en) | 2010-09-15 | 2010-09-15 | Backlight module group and liquid crystal television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205325045U CN201827771U (en) | 2010-09-15 | 2010-09-15 | Backlight module group and liquid crystal television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201827771U true CN201827771U (en) | 2011-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205325045U Expired - Fee Related CN201827771U (en) | 2010-09-15 | 2010-09-15 | Backlight module group and liquid crystal television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201827771U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155371A1 (en) * | 2011-05-16 | 2012-11-22 | 深圳市华星光电技术有限公司 | Backlight module treated by heat insulation |
| CN103827738A (en) * | 2011-09-30 | 2014-05-28 | 夏普株式会社 | Display apparatus and television receiver |
| CN103899976A (en) * | 2012-12-25 | 2014-07-02 | 深鑫成光电（深圳）有限公司 | Light source module, backlight module and liquid crystal display device |
| CN104321583A (en) * | 2012-07-02 | 2015-01-28 | 夏普株式会社 | Illumination device, display device, and television reception device |
-
2010
- 2010-09-15 CN CN2010205325045U patent/CN201827771U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155371A1 (en) * | 2011-05-16 | 2012-11-22 | 深圳市华星光电技术有限公司 | Backlight module treated by heat insulation |
| CN103827738A (en) * | 2011-09-30 | 2014-05-28 | 夏普株式会社 | Display apparatus and television receiver |
| CN103827738B (en) * | 2011-09-30 | 2016-08-31 | 夏普株式会社 | Display device and radiovisor |
| CN104321583A (en) * | 2012-07-02 | 2015-01-28 | 夏普株式会社 | Illumination device, display device, and television reception device |
| CN103899976A (en) * | 2012-12-25 | 2014-07-02 | 深鑫成光电（深圳）有限公司 | Light source module, backlight module and liquid crystal display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20130915 |