CN202442219U - Backlight module and television - Google Patents
Backlight module and television Download PDFInfo
- Publication number
- CN202442219U CN202442219U CN2012200878633U CN201220087863U CN202442219U CN 202442219 U CN202442219 U CN 202442219U CN 2012200878633 U CN2012200878633 U CN 2012200878633U CN 201220087863 U CN201220087863 U CN 201220087863U CN 202442219 U CN202442219 U CN 202442219U
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- liquid crystal
- crystal display
- module backlight
- blooming piece
- display panel
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Abstract
The utility model provides a backlight module. The backlight module comprises a liquid crystal display screen panel, an optical membrane, a back plate and a reflective sheet which are sequentially installed, wherein the optical membrane is fixedly arranged on a polarized light surface below the liquid crystal display screen panel, the back plate supports the liquid crystal display screen panel and the optical membrane, and the reflective sheet is attached to an inner wall of the back plate. A step groove is arranged at an opening end of the back plate, and the liquid crystal display screen panel with the optical membrane is installed in the step groove. The utility model further provides a television. According to the technical scheme, a diffusion plate in an existing backlight module is not required, light energy loss caused by the fact that a light source is diffused due to the diffusion plate is reduced, the number of light-emitting diode (LED) lamps can be reduced, and energy consumption of the backlight module is reduced. Besides, due to removal of the diffusion plate in the backlight module, the purchase cost of the diffusion plate is reduced, the assembling process of the backlight module is simplified, the production efficiency is improved, and the cost of the whole television is further reduced.
Description
Technical field
The utility model relates to the electronic product field, in particular to a kind of module backlight and comprise the television set of this kind module backlight.
Background technology
In down straight aphototropism mode set, need to adopt diffuser plate to play diffusion light and two main effects of support of optical diaphragm.
At present; In the down straight aphototropism mode set; No matter be CCFL (Cold Cathode Fluorescent Lamp cathode fluorescent tube) light source, LED (Light Emitting Diode light emitting diode) light source or other light source, diffuser plate all is a requisite part in the module optics framework backlight.
Diffuser plate can cause a large amount of optical energy loss in the process of the light diffusion that makes light source, adopted simultaneously after the diffuser plate, has increased parts purchase cost and television set whole machine installation operation, has increased television set complete machine production cost, reduces production efficiency.
In the process that realizes the utility model, the inventor finds that there is following problem at least in prior art: in module framework backlight, use diffuser plate not only to increase the parts cost, increase the assembly process and the production difficulty of television set simultaneously, reduce production efficiency; The use of diffuser plate has also caused a large amount of optical energy loss, needs to increase the use of blooming piece, has increased production cost of products indirectly, makes television set complete machine energy consumption increase.
The utility model content
In view of this, the utility model technical problem to be solved is, a kind of new module backlight is provided; Can reduce the purchase cost of parts, reduce television set complete machine energy consumption, reduce assembly process; Guarantee the excellent support of blooming piece simultaneously, reduce the production cost of module backlight and television set.
On the one hand; The utility model provides a kind of module backlight; It comprises the liquid crystal display panel of installing successively, the blooming piece that is fixedly set in plane of polarisation under the said liquid crystal display panel, the said liquid crystal display panel of support and the backboard of said blooming piece and the reflector plate that is attached at said backboard inwall; The openend of said backboard is provided with step groove, and the said liquid crystal display panel that is provided with said blooming piece is installed in the said step groove.
In technique scheme, preferably, also comprise support, said support one end is fixed to said backboard bottom, and the other end supports said blooming piece and said liquid crystal display panel.
In technique scheme, preferably, the height through adjusting said support is to increase the light mixing distance of said module backlight.
In technique scheme, preferably, said support is evenly arranged in said backboard bottom.
In technique scheme, preferably, said blooming piece is through the gluing following plane of polarisation that is installed on said liquid crystal display panel.
In technique scheme, preferably, said blooming piece passes through two-sided tape and is connected with the said non-visible area of plane of polarisation down.
In technique scheme, preferably, said blooming piece comprises brightness enhancement film.
In technique scheme, preferably, said blooming piece comprises prism.
In technique scheme, preferably, said backboard bottom is provided with light source, also is provided with lens arrangement on the said light source.
On the other hand, the utility model also provides a kind of television set, comprises above-mentioned module backlight.
The module backlight that provides in the technique scheme has following beneficial effect: the module backlight that the utility model provides is through saving the diffuser plate in the existing module backlight; Reduced the optical energy loss that the diffusion of light source is caused because of diffuser plate; Can reduce the number of LED lamp, reduce the energy consumption of module backlight; On the other hand, remove the purchase cost that diffuser plate has also been saved diffuser plate in the module backlight, simplified the assembly technology of module backlight, enhance productivity, further reduce television set complete machine cost.
Television set in the technique scheme has following beneficial effect: the television set that the utility model provides; Owing to adopted novel module backlight; Save the diffuser plate in the existing module backlight; Reduced because of diffuser plate to the optical energy loss that the diffusion of light source causes, can reduce the number of LED lamp, reduce the energy consumption of module backlight; On the other hand, remove the purchase cost that diffuser plate has also been saved diffuser plate in the module backlight, simplified the assembly technology of module backlight, enhance productivity, further reduce television set complete machine cost.
Description of drawings
Fig. 1 is the structural representation according to said module one embodiment backlight of the utility model;
Fig. 2 is the structural representation according to the another embodiment of the said module backlight of the utility model;
Fig. 3 is the structural representation of support shown in Fig. 2;
Fig. 4 is an A portion enlarged drawing among Fig. 3;
Fig. 5 is the structural representation of the panel of liquid crystal display described in Fig. 2;
Fig. 6 is a structural representation of pasting two-sided tape on the liquid crystal display panel shown in Figure 5.
Corresponding relation among Fig. 1 to Fig. 6 between each parts and Reference numeral is following:
1 backboard, 2 blooming pieces, 3 liquid crystal display panels, 4 supports, 5 light sources
6 lens arrangements, 7 two-sided tapes, 31 visible areas, 32 non-visible areas 41 are installed supporting leg
11 backboards bottom, 12 backboard sidepieces, 13 step grooves
100 modules backlight
The specific embodiment
In order more to be expressly understood above-mentioned purpose, the feature and advantage of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawing and the specific embodiment.
A lot of details have been set forth in the following description so that make much of the utility model; But; The utility model can also adopt other to be different from other modes described here and implement, and therefore, the utility model is not limited to the restriction of following disclosed specific embodiment.
Embodiment one:
As shown in Figure 1; The utility model provides a kind of module backlight 100; Comprise the liquid crystal display panel of installing successively 3, the blooming piece 2 that is fixedly set in 3 times plane of polarisations of said liquid crystal display panel, the said liquid crystal display panel 3 of support and the backboard 1 of said blooming piece 2 and the reflector plate that is attached at said backboard 1 inwall; The openend of said backboard 1 is provided with step groove 13, and the said liquid crystal display panel that is provided with said blooming piece is installed in the said step groove 13.
The utility model has adopted novel module backlight, saves the diffuser plate in the existing module backlight, directly blooming piece is installed on the liquid crystal display panel, and liquid crystal display panel and blooming piece are made as a whole openend by backboard and supported.Removed after the diffuser plate, reduced the optical energy loss that the diffusion of light source is caused because of diffuser plate, can reduce the use number of LED lamp simultaneously, reduced the energy consumption of module backlight, energy savings; On the other hand, remove the purchase cost that diffuser plate has also been saved diffuser plate in the module backlight, simplified the assembly technology of module backlight, improve the production efficiency of television set complete machine, further reduce the production and processing cost of television set complete machine.
To save the light efficiency that diffuser plate brings and weaken in order to remedy, the utility model provides multinomial indemnifying measure, comprising: will use brightness enhancement film; Because a main effect of diffuser plate is even light blast; Improve the utilization ratio of light source, so after saving diffuser plate, will certainly cause the light efficiency of module backlight to weaken; Use brightness enhancement film can strengthen the brightness of the light beam that sends by light source well; Replace diffuser plate by brightness enhancement film simultaneously, also greatly reduce the thickness of module backlight, be fit to design ultra-thin television product more; On the other hand; An effect of diffuser plate is the support of optical diaphragm; Way as commonly used is that blooming piece is placed between liquid crystal display panel and the diffuser plate; Pressuring action through front plane frame and backboard is fixed blooming piece, and after the present technique scheme has been saved diffuser plate, blooming piece (like brightness enhancement film) will be in unsupported state; The solution that the utility model proposes is that blooming piece is fixedly installed on the following plane of polarisation of liquid crystal display panel, then liquid crystal display panel and blooming piece is supported through backboard; Owing to saved backboard, originally being arranged at the groove structure that the backboard openend is used to support diffuser plate can save, and has saved manufacturing procedure, enhances productivity, and makes that simultaneously the structural strength of backboard is higher; Again on the one hand; Diffuser plate also has the effect of mixed light, even light, save diffuser plate after, can influence the mixed light effect; As consider the complete machine cost of television set; Be reluctant to adopt expensive blooming piece, can also compensate the mixed light deficiency through the mode that increases light mixing distance, this Design Mode is fit to the product not high to the television set thickness requirement.
In the present embodiment, owing to removed the diffuser plate in the traditional backlight module, the light diffusion of light source 5 will be affected; The utilization rate of light source will reduce, and the zone that promptly light source shone diminishes, and to save the light diffusion that diffuser plate brings and weakens in order to remedy; The utility model on light source 5 or the periphery of light source 5 lens arrangement 6 is set, lens arrangement can play equally the diffusion light effect, and since its size little; Purchase cost is low, reduces the complete machine cost of television set; The time save space is installed, can be simplified the structure of module backlight.
After lens mounting structure 6 on the light source 5; The diffusivity of light source increases, and the brightness of module backlight improves, and has improved the utilization rate of light source simultaneously; The optical energy loss that has brought when having avoided diffuser plate is arranged, more compound consumer is for the requirement of electronic product environmental protection and energy saving.
Another important function of diffuser plate is the support of optical diaphragm in the traditional backlight module, the technical scheme that the utility model provides, owing to saved diffuser plate, the support of blooming piece just becomes a new technical problem.The solution that the utility model provides is, blooming piece 2 is installed on the liquid crystal display panel 3, and blooming piece 2 becomes one structure with liquid crystal display panel 3 like this, provided support by the openend of backboard 1, solved the support problem of blooming piece 2.
Preferably, said blooming piece 2 is through the gluing following plane of polarisation that is installed on said liquid crystal display panel 3.The a variety of modes that are mounted with of blooming piece 2 and liquid crystal display panel 3 can be mechanical connections, also can adopt gluing mode to connect.For example; Because the thickness of brightness enhancement film is less; Generally, can adopt paper clip or yoke configurations that four limits and the liquid crystal display panel of brightness enhancement film are fixed, it should be noted that the blast film strength is lower at 0.2mm～0.4mm; Fixedly the time, need increase contact area as far as possible, avoid because stress is concentrated the damage brightness enhancement film; In addition, owing to the outward appearance demand of television set, also to reduce the space hold of fixed structure as much as possible.Because television set belongs to precise electronic product; Outward appearance, weight to product require all very high; The employing mechanical connection destroys the structure of blooming piece and liquid crystal display panel easily, so the connected mode of blooming piece that the utility model provides and liquid crystal display panel is gluing the connection.Simultaneously gluing being connected produced upward realization easily, handled easily, and the cost of raw material is cheap.
Further, said blooming piece 2 is connected with the said non-visible area 32 of plane of polarisation down through two-sided tape 7.The utility model can adopt the very high two-sided tape of adhesive strength to carry out being connected of blooming piece 2 and liquid crystal display panel 3.Two-sided tape than being easier to operation, can not pollute workbench, blooming piece and liquid crystal display panel in the assembling process of module backlight, guarantee that module backlight is whole clean.
Like Fig. 5, shown in Figure 6, because the liquid crystal display panel will satisfy the function of installation and video picture simultaneously, so plane of polarisation is divided into visible area 31 and non-visible area 32 under the liquid crystal display; The technical scheme that the utility model provides is when installing blooming piece 2; Two-sided tape 7 is sticked on non-visible area 32 in advance, take the upper strata diaphragm then off, expose working face; Blooming piece 2 is connected with two-sided tape 7, realizes the fixed installation and the support of blooming piece 2.
Because the size of non-visible area 32 changes according to the difference of module size backlight; So the width of two-sided tape 7 can be selected according to the actual production demand, as in undersized module backlight, the size of blooming piece 2 and liquid crystal display panel 3 is all less; Can select the narrower double faced adhesive tape of width to bring the stickup blooming piece; When satisfying blooming piece 2 fixing, the use amount of also having saved two-sided tape reduces production costs like this.
After saving diffuser plate, therefore the mixed light effect of module backlight may reduce, and the solution that the utility model provides is: the function that strengthens blooming piece 2.
A kind of mode is: said blooming piece 2 adopts prism.Prism has certain blast effect; Adopting prism can remedy as blooming piece saves the light efficiency that diffuser plate brings and weakens; Improve the capacity usage ratio of light source; Can the light mixing distance of module backlight be shortened simultaneously,, help making ultra-thin television more to reduce the thickness of module backlight and television set.
Another kind of mode is: said blooming piece 2 comprises brightness enhancement film.In order to obtain better mixed light effect, module backlight possibly increase light mixing distance in design process, to save the mixed light sheet; Reduce the parts cost, after light mixing distance becomes greatly, when the light that light source sends is injected into blooming piece and liquid crystal display panel; Light intensity can significantly reduce, and influences the brightness of module backlight, adopts brightness enhancement film this moment; Can improve the brightness of module backlight, improve the efficiency of light energy utilization of light source.
Certainly, also can the form of above-mentioned two kinds of blooming pieces be used in combination, promptly blooming piece had both comprised the mixed light sheet, comprised brightness enhancement film again.Like this, when obtaining ultra-thin back light module unit structure, can also improve the utilization rate of light source, obtain energy-conserving and environment-protective, simultaneously the television set of profile fashion.
The module backlight of the foregoing description has following beneficial effect:
The module backlight that the utility model provides is through saving the diffuser plate in the existing module backlight, reduced because of diffuser plate to the optical energy loss that the diffusion of light source causes, can reduce the number of LED lamp, reduce the energy consumption of module backlight; On the other hand, remove the purchase cost that diffuser plate has also been saved diffuser plate in the module backlight, simplified the assembly technology of module backlight, enhance productivity, further reduce television set complete machine cost.
Embodiment two:
Like Fig. 2, Fig. 3 and shown in Figure 4; The utility model provides a kind of module backlight 100; Comprise the liquid crystal display panel of installing successively 3, the blooming piece 2 that is fixedly set in 3 times plane of polarisations of said liquid crystal display panel, the said liquid crystal display panel 3 of support and the backboard 1 of said blooming piece 2 and the reflector plate that is attached at said backboard 1 inwall; The openend of said backboard 1 is provided with step groove 13, and the said liquid crystal display panel that is provided with said blooming piece is installed in the said step groove 13.
The utility model has adopted novel module backlight, saves the diffuser plate in the existing module backlight, directly blooming piece is installed on the liquid crystal display panel, and liquid crystal display panel and blooming piece are made as a whole openend by backboard and supported.Removed after the diffuser plate, reduced the optical energy loss that the diffusion of light source is caused because of diffuser plate, can reduce the use number of LED lamp simultaneously, reduced the energy consumption of module backlight, energy savings; On the other hand, remove the purchase cost that diffuser plate has also been saved diffuser plate in the module backlight, simplified the assembly technology of module backlight, improve the production efficiency of television set complete machine, further reduce the production and processing cost of television set complete machine.
Preferably, said module backlight also comprises support 4, and said support 4 one ends are fixed to said backboard bottom 11, and the other end supports said blooming piece 2 and said liquid crystal display panel 3.
The technical scheme that the utility model provides is owing to saved diffuser plate; The support of liquid crystal display panel and blooming piece becomes a problem demanding prompt solution; The utility model is installed in blooming piece on the liquid crystal display panel earlier; Blooming piece and liquid crystal display panel are become one, support by the backboard openend then.But for large-sized module backlight; Only supporting liquid crystal display panel and blooming piece by backboard can not satisfy installation strength and require; Present embodiment has adopted support 4; Can reach the effect of supporting liquid crystal display panel and blooming piece better, improve the bulk strength of module backlight, guarantee the functional reliability of module backlight and even television set complete machine.
Like Fig. 3, shown in Figure 4; Support 4 has good intensity; Simultaneously it can not influence the normal propagation of light in module backlight again, and the bottom of support 4 is fixedly installed in the bottom of backboard 1 through supporting leg 41 is installed, and liquid crystal display panel 3 and blooming piece 2 are supported in the upper end of support 4.
Height through adjusting said support 4 is to increase the light mixing distance of said module backlight.In the module backlight that the utility model provides, saved the diffuser plate in the traditional backlight module structure, the mixed light effect of module backlight can reduce, and at this moment can strengthen the mixed light effect to light source through increasing light mixing distance.After light mixing distance increased, the length of support 4 was also along with increase.
Preferably, said support 4 is evenly arranged in said backboard bottom 11.Because the liquid crystal display panel is different with the support force that blooming piece needs in the module backlight of various models, so the layout of support 4 can be allowed a choice, promptly can select the quantity and the distribute spacing of support 4, satisfies the support to difference module backlight.For larger-size module backlight, sinkage can appear in the center of liquid crystal display panel and blooming piece, causes the distortion of liquid crystal display panel and blooming piece, influences the imaging results of liquid crystal display panel.Take place for fear of this situation, can adopt the support of greater number to support liquid crystal display panel and blooming piece.
In the present embodiment, owing to removed the diffuser plate in the traditional backlight module, the light diffusion of light source 5 will be affected; The utilization rate of light source will reduce, and the zone that promptly light source shone diminishes, and to save the light diffusion that diffuser plate brings and weakens in order to remedy; The utility model on light source 5 or the periphery of light source 5 lens arrangement 6 is set, lens arrangement can play equally the diffusion light effect, and since its size little; Purchase cost is low, reduces the complete machine cost of television set; The time save space is installed, can be simplified the structure of module backlight.
After lens mounting structure 6 on the light source 5; The diffusivity of light source increases, and the brightness of module backlight improves, and has improved the utilization rate of light source simultaneously; The optical energy loss that has brought when having avoided diffuser plate is arranged, more compound consumer is for the requirement of electronic product environmental protection and energy saving.
Another important function of diffuser plate is the support of optical diaphragm in the traditional backlight module, the technical scheme that the utility model provides, owing to saved diffuser plate, the support of blooming piece just becomes a new technical problem.The solution that the utility model provides is, blooming piece 2 is installed on the liquid crystal display panel 3, and blooming piece 2 becomes one structure with liquid crystal display panel 3 like this, provided support by the openend of backboard 1, solved the support problem of blooming piece 2.
Preferably, said blooming piece 2 is through the gluing following plane of polarisation that is installed on said liquid crystal display panel 3.Blooming piece 2 and a lot of middle modes of being mounted with of liquid crystal display panel 3 can be mechanical connections, also can adopt gluing mode to connect.Because television set belongs to precise electronic product; Outward appearance, weight to product require all very high; The employing mechanical connection destroys the structure of blooming piece and liquid crystal display panel easily, so the connected mode of blooming piece that the utility model provides and liquid crystal display panel is gluing the connection.Simultaneously gluing being connected produced upward realization easily, handled easily, and the cost of raw material is cheap.
Further, said blooming piece 2 is connected with the said non-visible area 32 of plane of polarisation down through two-sided tape 7.The utility model can adopt the very high two-sided tape of adhesive strength to carry out being connected of blooming piece 2 and liquid crystal display panel 3.Two-sided tape than being easier to operation, can not pollute workbench, blooming piece and liquid crystal display panel in the assembling process of module backlight, guarantee that module backlight is whole clean.
Like Fig. 5, shown in Figure 6, because the liquid crystal display panel will satisfy the function of installation and video picture simultaneously, so plane of polarisation is divided into visible area 31 and non-visible area 32 under the liquid crystal display; The technical scheme that the utility model provides is when installing blooming piece 2; Two-sided tape 7 is sticked on non-visible area 32 in advance, take the upper strata diaphragm then off, expose working face; Blooming piece 2 is connected with two-sided tape 7, realizes the fixed installation and the support of blooming piece 2.
Because the size of non-visible area 32 changes according to the difference of module size backlight; So the width of two-sided tape 7 can be selected according to the actual production demand, as in undersized module backlight, the size of blooming piece 2 and liquid crystal display panel 3 is all less; Can select the narrower double faced adhesive tape of width to bring the stickup blooming piece; When satisfying blooming piece 2 fixing, the use amount of also having saved two-sided tape reduces production costs like this.
After saving diffuser plate, therefore the mixed light effect of module backlight may reduce, and the solution that the utility model provides is: the function that strengthens blooming piece 2.
A kind of mode is: said blooming piece 2 adopts prism.Prism has certain blast effect; Adopting prism can remedy as blooming piece saves the light efficiency that diffuser plate brings and weakens; Improve the capacity usage ratio of light source; Can the light mixing distance of module backlight be shortened simultaneously,, help making ultra-thin television more to reduce the thickness of module backlight and television set.
Another kind of mode is: said blooming piece 2 comprises brightness enhancement film.In order to obtain better mixed light effect, module backlight possibly increase light mixing distance in design process, to save the mixed light sheet; Reduce the parts cost, after light mixing distance becomes greatly, when the light that light source sends is injected into blooming piece and liquid crystal display panel; Light intensity can significantly reduce, and influences the brightness of module backlight, adopts brightness enhancement film this moment; Can improve the brightness of module backlight, improve the efficiency of light energy utilization of light source.
Certainly, also can the form of above-mentioned two kinds of blooming pieces be used in combination, promptly blooming piece had both comprised the mixed light sheet, comprised brightness enhancement film again.Like this, when obtaining ultra-thin back light module unit structure, can also improve the utilization rate of light source, obtain energy-conserving and environment-protective, simultaneously the television set of profile fashion.
The utility model also provides a kind of television set, comprises the module backlight described in the foregoing description.
The television set that the utility model provides owing to adopted novel module backlight, saves the diffuser plate in the existing module backlight, reduced because of diffuser plate to the optical energy loss that the diffusion of light source causes, can reduce the number of LED lamp, reduce the energy consumption of module backlight; On the other hand, remove the purchase cost that diffuser plate has also been saved diffuser plate in the module backlight, simplified the assembly technology of module backlight, enhance productivity, further reduce television set complete machine cost.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. module backlight; It is characterized in that; Comprise the liquid crystal display panel of installing successively, the blooming piece that is fixedly set in plane of polarisation under the said liquid crystal display panel, the said liquid crystal display panel of support and the backboard of said blooming piece and the reflector plate that is attached at said backboard inwall; The openend of said backboard is provided with step groove, and the said liquid crystal display panel that is provided with said blooming piece is installed in the said step groove.
2. module backlight according to claim 1 is characterized in that, also comprises support, and said support one end is fixed to said backboard bottom, and the other end supports said blooming piece and said liquid crystal display panel.
3. module backlight according to claim 2 is characterized in that, the height through adjusting said support is to increase the light mixing distance of said module backlight.
4. module backlight according to claim 3 is characterized in that, said support is evenly arranged in said backboard bottom.
5. according to each described module backlight in the claim 1 to 4, it is characterized in that said blooming piece is through the gluing following plane of polarisation that is installed on said liquid crystal display panel.
6. module backlight according to claim 5 is characterized in that, said blooming piece passes through two-sided tape and is connected with the said non-visible area of plane of polarisation down.
7. module backlight according to claim 6 is characterized in that said blooming piece comprises brightness enhancement film.
8. module backlight according to claim 6 is characterized in that said blooming piece comprises prism.
9. module backlight according to claim 8 is characterized in that, said backboard bottom is provided with light source, also is provided with lens arrangement on the said light source.
10. a television set is characterized in that, comprises like each described module backlight in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200878633U CN202442219U (en) | 2012-03-09 | 2012-03-09 | Backlight module and television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200878633U CN202442219U (en) | 2012-03-09 | 2012-03-09 | Backlight module and television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202442219U true CN202442219U (en) | 2012-09-19 |
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ID=46823670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200878633U Expired - Lifetime CN202442219U (en) | 2012-03-09 | 2012-03-09 | Backlight module and television |
Country Status (1)
| Country | Link |
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| CN (1) | CN202442219U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307504A (en) * | 2012-03-09 | 2013-09-18 | 青岛海信电器股份有限公司 | Backlight module and television |
| WO2017140048A1 (en) * | 2016-02-15 | 2017-08-24 | 京东方科技集团股份有限公司 | Support structure, direct-lit backlight source, and display device |
-
2012
- 2012-03-09 CN CN2012200878633U patent/CN202442219U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307504A (en) * | 2012-03-09 | 2013-09-18 | 青岛海信电器股份有限公司 | Backlight module and television |
| WO2017140048A1 (en) * | 2016-02-15 | 2017-08-24 | 京东方科技集团股份有限公司 | Support structure, direct-lit backlight source, and display device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: HISENSE ELECTRIC Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |
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| CX01 | Expiry of patent term |