CN204986629U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN204986629U CN204986629U CN201520337639.9U CN201520337639U CN204986629U CN 204986629 U CN204986629 U CN 204986629U CN 201520337639 U CN201520337639 U CN 201520337639U CN 204986629 U CN204986629 U CN 204986629U
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- Prior art keywords
- backlight module
- light guide
- guide plate
- fixed frame
- plate
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- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims description 24
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 239000002390 adhesive tape Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005282 brightening Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model relates to a backlight module and display device, this backlight unit include the light guide plate and set up a plurality of luminescent device in this light guide plate one side, still including fixed frame, fixed frame includes bottom plate and a plurality of curb plates that link to each other with the bottom plate, fixed frame is still including utilizing the coating film or coating the reflection stratum of technology combination at the bottom plate, the reflection stratum borders on the light guide plate for light reflection to the light guide plate that will come from a plurality of luminescent device, wherein, the area in reflection stratum is greater than the area of light guide plate. The utility model discloses can realize metal frame and reflector plate integration, reduce backlight unit's thickness, promote backlight unit luminance, improve production efficiency.
Description
Technical field
The utility model relates to Display Technique field, particularly relates to a kind of backlight module and display unit.
Background technology
Along with the development of liquid crystal technology, LCDs is widely used.Therefore need to be provided with backlight because LCDs itself is not luminous.The illumination effect of backlight will directly have influence on the visual effect of LCDs.
In prior art, backlight mainly comprises LED, diffusion sheet, prismatic lens, light guide plate, plastic frame, metal frame, shading rubber belt and reflector plate etc.Reflector plate is an individual components, usually needs to produce separately, assemble and inspection, therefore can increase production cost.Moreover reflector plate is as an individual components, and easily produce the phenomenons such as warpage when doing environmental testing experiment, and size is larger, the failure of an experiment risk is larger.In addition, reflector plate, as an individual components, also can increase the thickness of backlight module, affects backlight module ultrathin.
In addition, in backlight module, also be provided with metal framework and plastic frame parts, non-glue iron Integral design utilizes double faced adhesive tape to be fixed on by reflector plate on plastic frame parts, reflector plate size is less than the size of light guide plate, the light causing reflector plate all cannot reflect multiple luminescent device sending, causes the light loss of about 5%.
Utility model content
One of them object of the utility model embodiment is to provide a kind of backlight module and display unit, cannot carry out the technical problems such as ultrathin for solving in prior art reflector plate in backlight module as individual components.
First aspect, the utility model embodiment provides a kind of backlight module, comprises light guide plate and is arranged on multiple luminescent devices of this light guide plate side, also comprise fixed frame; Multiple side plates that described fixed frame comprises base plate and is connected with described base plate; Described fixed frame also comprises the reflecting layer utilizing plated film or coating processes to be combined in described base plate; Described reflecting layer adjoins described light guide plate, for by the light reflection from described multiple luminescent device to described light guide plate; Wherein, the area in described reflecting layer is greater than the area of described light guide plate.
Alternatively, described fixed frame also comprises plastic frame parts, and described plastic frame parts side is fixed on described multiple side plate, and bottom surface is fixed on described base plate.
Alternatively, the cross section of described plastic frame parts is stairstepping.
Alternatively, described plastic frame parts are also provided with equally distributed multiple projection; The space that adjacent two projections and this limit are formed is for placing luminescent device.
Alternatively, described reflecting layer adopts argent or other reflectance coatings to make.
Alternatively, described luminescent device is light emitting diode.
Alternatively, described fixed frame adopts metal to make.
Second aspect, the utility model embodiment still provides a kind of display unit, comprises above-mentioned backlight module.
Compared with prior art, the utility model replaces the individual components of metal frame and reflector plate by plating on metal frame or coating reflecting layer, thus can reduce the thickness of backlight module.In addition, directly reflecting layer is set on metal frame, the use of double faced adhesive tape can be reduced, reduce production cost.Finally, the utility model can reduce the inspection packaging technology of reflector plate in prior art, enhances productivity.
Accompanying drawing explanation
Can understanding feature and advantage of the present utility model clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the utility model, in the accompanying drawings:
Fig. 1 shows the profile of a kind of backlight module of the prior art;
Fig. 2 shows the top view of backlight module in the utility model embodiment;
Fig. 3 shows the profile of a kind of backlight module that the utility model embodiment provides;
Fig. 4 shows the profile of the another kind of backlight module that the utility model embodiment provides.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
The utility model provides a kind of backlight module, comprises light guide plate and is arranged on multiple luminescent devices of this light guide plate side, also comprise fixed frame; Multiple side plates that described fixed frame comprises base plate and is connected with described base plate; Described fixed frame also comprises the reflecting layer utilizing plated film or coating processes to be combined in described base plate; Described reflecting layer adjoins described light guide plate, for by the light reflection from described multiple luminescent device to described light guide plate; Wherein, the area in described reflecting layer is greater than the area of described light guide plate.
The utility model is provided with reflecting layer by the base plate at fixed frame, utilizes this fixed frame to replace metal frame of the prior art and reflector plate, can reduce the thickness of backlight module, for the ultrathin realizing backlight module provides possibility.Reflecting layer is arranged on the base plate of metal frame, and therefore its area can be greater than the area of light guide plate, can reduce reflector plate area in prior art and be less than the area of light guide sheet and the light loss caused.
In practical application, fixed frame base plate of the present utility model and side plate adopt metal to make.Those skilled in the art can select suitable metal as the case may be, and the utility model is not construed as limiting.
In practical application, reflecting layer adopts reflectorized material to make, and alternatively, the utility model adopts argent or other reflecting layer to make.Certainly, those skilled in the art can select different materials to make as the case may be, and realize corresponding technique effect, the utility model is not construed as limiting.
Fig. 1 shows a kind of backlight module profile in prior art.In this embodiment, the plastic frame in backlight module is separated with metal frame.As shown in Figure 1, the base plate of metal frame 1 is provided with reflector plate 2, under normal circumstances, reflector plate 2 is fixed on plastic frame 4 by double faced adhesive tape 12.The side of plastic frame parts 4 is fixed on the side plate of metal frame 1, bottom surface is fixed on the base plate of metal frame 1, the section on any one side is stairstepping, and different ladders places different parts, such as light guide plate 5, lower diffuser plate 6, lower brightening piece 7, upper brightening piece 8 and shading rubber belt etc.In the utility model, these parts adopt the parts of prior art to realize, and the utility model is not construed as limiting.
Fig. 2 shows the top view of backlight module in the utility model embodiment.As shown in Figure 2, fixed frame comprises metal frame 1 and reflecting layer 2.The surrounding of metal frame 1 is provided with four side plates.In practical application, fixed frame utilizes same sheet metal to make.On this sheet metal, coating or plating reflectorized material, then prolong the limit of this sheet metal and be folded to form multiple side plate.The inwall of therefore multiple side plate is also provided with reflecting layer, further increases the area in reflecting layer, can light loss be reduced.
Fig. 3 shows the profile of a kind of backlight module that the utility model embodiment provides.As shown in Figure 3, in the utility model by reflecting material plating or be coated on metal frame 1 and form reflecting layer 10.Plastic frame parts 4 are fixed on the base plate of metal frame, and other side plate is fixed on the side plate of metal frame.In the space that plastic frame parts and metal frame are formed, arrange light guide plate, light guide plate 5 is placed on reflecting layer 10.Metal frame 1 base plate due to fixed frame can be greater than the panel of light guide plate 5, and reflecting layer 10 area therefore arranged on which floor plate is also greater than light guide plate area, can reduce the light loss of light in transmitting procedure.
Fig. 4 shows the profile of a kind of backlight module that the utility model embodiment provides.As shown in Figure 4, these plastic frame parts 4 are directly injection-moulded on fixed frame, and the cross section of plastic frame parts 4 is stairstepping, for the different parts in fixing backlight module.These different parts comprise lower diffusion sheet, lower light splitting piece, upper light splitting piece and anti-dazzling screen etc.
Alternatively, in the utility model, as shown in Figure 2, plastic frame parts wherein on be provided with multiple projection 14.The plurality of projection 14 is evenly distributed on this side on plastic frame parts, and extends to the center of fixed frame.The space that adjacent two projections 14 and plastic frame parts 4 are here formed is for placing luminescent device 13.Utilize the plurality of projection, luminescent device 14 can be fixed.In practical application, those skilled in the art can arrange the quantity of spacing between projection or projection according to the shape of luminescent device, when luminescent device is strip light emitting source or luminescent device is more, can not arrange projection.When luminescent device is LED, multiple projection can be set for fixing this LED and increasing FPC (FlexiblePrintedCircuit, FPC) double faced adhesive tape area of attachment.
Alternatively, one of them side plate of the fixed frame that the utility model provides is provided with multiple hole clipping 15, for fixing plastic frame parts.Plastic frame parts are provided with grab, and this grab and hole clipping 15 quantity match, for being fixed on above side plate by plastic frame parts.In practical application, those skilled in the art can according to concrete actual conditions, and select suitable hole clipping 15 and the quantity of grab, and be arranged on a side plate or multiple side plate, the utility model is not construed as limiting.
The fixed frame that the utility model provides replaces metal frame of the prior art and reflector plate, and backlight module can be made to realize ultrathin; Cancel reflector plate in backlight module, reflector plate can be reduced and produce, assemble and inspection process, thus enhance productivity; By metal frame and reflector plate integrated design, the use of double faced adhesive tape can be reduced, economize on resources and reduce costs; In addition, metal frame is not yielding, reduces when reflector plate does environmental testing experiment and warpage equivalent risk occurs, improve yield.
On the other hand, the utility model provides a kind of display unit, adopts above-mentioned backlight module to make.Can find out, this display unit all can with middle at least one backlight module be mutually corresponding above, and therefore its detailed description of the invention with reference to above, can not repeat them here.
It should be noted that in description of the present utility model, term " on ", the orientation of the instruction such as D score or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.Unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a backlight module, is characterized in that, comprises light guide plate and is arranged on multiple luminescent devices of this light guide plate side, also comprise fixed frame; Multiple side plates that described fixed frame comprises base plate and is connected with described base plate; Described fixed frame also comprises the reflecting layer utilizing plated film or coating processes to be combined in described base plate; Described reflecting layer adjoins described light guide plate, for by the light reflection from described multiple luminescent device to described light guide plate; Wherein, the area in described reflecting layer is greater than the area of described light guide plate.
2. backlight module as claimed in claim 1, it is characterized in that, described fixed frame also comprises plastic frame parts, and described plastic frame parts side is fixed on described multiple side plate, and bottom surface is fixed on described base plate.
3. backlight module as claimed in claim 2, it is characterized in that, the cross section of described plastic frame parts is stairstepping.
4. backlight module as claimed in claim 2, is characterized in that, described plastic frame parts are also provided with equally distributed multiple projection; The space that adjacent two projections and this limit are formed is for placing luminescent device.
5. backlight module as claimed in claim 1, is characterized in that, described reflecting layer adopts argent to make.
6. backlight module as claimed in claim 1, it is characterized in that, described luminescent device is light emitting diode.
7. backlight module as claimed in claim 1, is characterized in that, described fixed frame adopts metal to make.
8. a display unit, comprises the backlight module described in claim 1 ~ 7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520337639.9U CN204986629U (en) | 2015-05-22 | 2015-05-22 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520337639.9U CN204986629U (en) | 2015-05-22 | 2015-05-22 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204986629U true CN204986629U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520337639.9U Expired - Fee Related CN204986629U (en) | 2015-05-22 | 2015-05-22 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204986629U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445664A (en) * | 2018-03-30 | 2018-08-24 | 京东方科技集团股份有限公司 | A kind of backboard and preparation method thereof, backlight module and display device |
| CN108777726A (en) * | 2018-06-29 | 2018-11-09 | 上海摩软通讯技术有限公司 | Complete machine integral type touch-control display module and its installation method, mobile terminal |
| CN110398861A (en) * | 2019-09-03 | 2019-11-01 | 东莞市利锦电子有限公司 | A kind of glue iron with reflector plate function |
| CN112099119A (en) * | 2020-09-28 | 2020-12-18 | 深圳市隆利科技股份有限公司 | Preparation process of reflecting layer for backlight module and backlight module |
-
2015
- 2015-05-22 CN CN201520337639.9U patent/CN204986629U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445664A (en) * | 2018-03-30 | 2018-08-24 | 京东方科技集团股份有限公司 | A kind of backboard and preparation method thereof, backlight module and display device |
| CN108777726A (en) * | 2018-06-29 | 2018-11-09 | 上海摩软通讯技术有限公司 | Complete machine integral type touch-control display module and its installation method, mobile terminal |
| CN110398861A (en) * | 2019-09-03 | 2019-11-01 | 东莞市利锦电子有限公司 | A kind of glue iron with reflector plate function |
| CN112099119A (en) * | 2020-09-28 | 2020-12-18 | 深圳市隆利科技股份有限公司 | Preparation process of reflecting layer for backlight module and backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160224 Address after: 330100, Jiangxi Nanchang small and micro Industrial Park office building two floor Patentee after: Nanchang bright display technology Co.,Ltd. Address before: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
|
| CU03 | Publication of corrected utility model |
Correction item: Patentee|Address Correct: NANCHAGN OFILM DISPLAY TECHNOLOGY Co.,Ltd. |330100, JIANGXI NANCHANG SMALL AND MICRO INDUSTRIAL PARK OFFICE BUILDING TWO FLOOR False: Nanchang bright display technology Co.,Ltd.|330100, Jiangxi Nanchang small and micro Industrial Park office building two floor Number: 11 Volume: 32 |
|
| ERR | Gazette correction | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |