CN203811947U - Backlight module and displaying device - Google Patents
Backlight module and displaying device Download PDFInfo
- Publication number
- CN203811947U CN203811947U CN201420182741.1U CN201420182741U CN203811947U CN 203811947 U CN203811947 U CN 203811947U CN 201420182741 U CN201420182741 U CN 201420182741U CN 203811947 U CN203811947 U CN 203811947U
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- Prior art keywords
- led lamp
- backlight module
- lamp bar
- backboard
- led
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- 238000000034 method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of displaying, in particular to a backlight module and a displaying device. The backlight module comprises a back plate and an LED lamp strip. The backlight module is characterized in that a plurality of through holes are formed in the back plate, LED elements of the LED lamp strip are embedded into the surface of the back plate through the through holes, and the LED lamp strip is fixed on the bottom face of the back plate. Compared with the prior art, assembling steps are simple and easy to implement through the design, the assembling performance of the backlight module is greatly improved, time and labor are saved during reworking, raw material loss is lowered, the reworking performance of the backlight module is greatly improved, meanwhile, the inner contact areas of the LED elements are enlarged, circuit parts of the LED elements are placed outside the back plate, and radiating of the LED lamp strip is improved.
Description
Technical field
The utility model relates to display technique field, is specifically related to a kind of backlight module and display device.
Background technology
Backlight module is one of significant components of liquid crystal display, and because liquid crystal itself is not luminous, the function of backlight module is exactly well-off brightness and the light source being evenly distributed, and makes normally show image of liquid crystal display.At present, it is ripe that the display technique of liquid crystal display has been tending towards, and especially also has a great development at the design aspect of backlight module.Backlight module, except being applied in the liquid crystal indicator such as liquid crystal display, liquid crystal TV set, can also provide light source for display device such as digital album (digital photo frame), Electronic Paper, mobile phones.
In existing design of backlight module, be all the inside that LED lamp bar (LED Bar) design is rolled at backboard U conventionally, when assembling, the first assembled LED lamp bar of meeting, then assembling is as other structures such as light guide plate (LGP), glue frame, blooming pieces.But for the purpose of design of backlight module slimming, it is very thin that backboard can be designed to be, this can make LED lamp bar be difficult to pack into U folding.The more important thing is, this assembling mode makes backlight module carrying out LED lamp bar in heavy industry (rework) while disassembling, almost can make backboard and LED lamp bar all bend distortion, the significant wastage while having caused heavy industry.
Summary of the invention
(1) technical matters solving
For the deficiencies in the prior art, the utility model provides a kind of backlight module and display device, and very big ground has improved assembleability and the heavy industry of backlight module, has also improved the heat radiation of LED lamp bar simultaneously.
(2) technical scheme
For realizing above object, the utility model is achieved by the following technical programs:
A kind of backlight module, comprises backboard and LED lamp bar, it is characterized in that, on described backboard, comprise multiple through holes, the LED element of described LED lamp bar is embedded in the surface of described backboard by described through hole, and described LED lamp bar is fixed on the bottom surface of described backboard.
Preferably, described through hole is positioned at the light inlet side of described backboard.
Preferably, described LED lamp bar is flexible LED strip.
Preferably, the flexible circuit plate exit slot of described flexible LED strip is positioned at the bottom surface of described flexible LED strip.
Preferably, described LED lamp bar is mutually bonding with the bottom surface of described backboard by double faced adhesive tape or heat-conducting glue.
Preferably, described backboard comprises the groove that is positioned at the above LED lamp bar region, its bottom surface, the height protruding with respect to backboard bottom surface when the degree of depth of described groove equals described LED lamp bar and is fixed on described backboard.
Preferably, the quantity of described through hole, size, shape and arrange respectively with quantity, size, the shape of the LED element on the LED lamp bar being embedded in wherein and arrange corresponding.
A kind of display device, is characterized in that, comprises above-mentioned any one backlight module.
(3) beneficial effect
The utility model at least has following beneficial effect:
The utility model becomes backboard bottom surface by the installation site of LED lamp bar from the inside of backboard U folding, and LED element is embedded in the through hole of back plate surface.So, in the time carrying out the assembling of LED lamp bar, just only need to, from backboard bottom surface by LED element aligned through holes embedding, then LED lamp bar be fixed on backboard bottom surface.The prior art of comparing, this design makes number of assembling steps more simple and easy to do, has greatly improved the assembleability of backlight module.
And, in the time carrying out the heavy industry of backlight module, only need remove from backboard bottom surface the fixed relationship of LED lamp bar and backboard bottom surface, just can from backboard module, take out easily LED lamp bar, and can not impact the heavy industry of other structures.In terms of existing technologies, this scheme is more time saving and energy saving, and has reduced former material consume, has greatly improved the heavy industry of backlight module.
Meanwhile, external due to LED lamp bar, can increase the contact area of the inside of LED element, and makes circuit part wherein in backboard outside, has improved the heat radiation of LED lamp bar.
Certainly, implement arbitrary product of the present utility model and might not need to reach above-described all advantages simultaneously.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, accompanying drawing to required use in embodiment or description of the Prior Art being done to one below simply introduces, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the part section structural drawing of the backlight module in embodiment of the utility model;
Fig. 2 is the part assembling design sketch of backlight module of the prior art;
Fig. 3 is the part assembling design sketch of the backlight module in embodiment of the utility model.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
The utility model embodiment has proposed a kind of backlight module, and referring to Fig. 1, it comprises backboard 1 and LED lamp bar 2.Wherein, on described backboard 1, comprise multiple through holes, the LED element of described LED lamp bar 2 (in figure shown in square) is embedded in the surface of described backboard by described through hole, and described LED lamp bar 2 is fixed on the bottom surface of described backboard 1.
Visible, here the multiple through holes that arrange on backboard are for the LED element on LED lamp bar is embedded in wherein, so preferably according to quantity, size, the shape of the LED element on LED lamp bar and arrange and design accordingly quantity, size, the shape of the LED element on LED lamp bar and arrange, to be issued to best assembling and chimeric effect in cost-effective prerequisite.
And, in order to make the LED lamp bar after fixing not protrude, keep the smooth of backboard bottom surface on backboard, preferably in the above LED lamp bar location, backboard bottom surface, groove is set, the height protruding with respect to backboard bottom surface when the degree of depth of described groove equals described LED lamp bar and is fixed on described backboard.Certain said groove here has more than and is limited to lithography groove out on the flat board with fixed thickness, and it can be also the maintenance backboard groove that consistency of thickness forms everywhere as shown in Figure 1.
It should be noted that, what Fig. 1 showed is only backboard together fastened to each other and a section of LED lamp bar, is the LED lamp bar of stripe-arrangement for LED element, and its cross-section at each LED element has structure or similar structures as shown in Figure 1.
Preferably, in the time that described backlight module is side light inlet type, described through hole can be arranged on the light inlet side of backboard accordingly, to ensure the consistance of one-piece construction function.
Preferably, be that while being more suitable for the flexible LED strip (circuit board is flexible PCB) of slimming design backlight module, the outlet slot of its flexible PCB can be arranged on the bottom surface of described flexible LED strip at described LED lamp bar.Such design is the convenience of considering to peg graft in flexible PCB in assembling flow path (FPC) and the location of carbon nano-tube (CNT).Because the flexible PCB (FPC) of LED lamp bar is positioned at backboard outside, and its outlet slot be emerging in outside, so position peg graft time compare prior art can be very easy.
Preferably, described LED lamp bar is mutually bonding with the bottom surface of described backboard by double faced adhesive tape or heat-conducting glue.Selected adhesive substance needs stably to fix two bonding planes on the one hand, also in the time of heavy industry, is easy on the other hand dismounting, can destroy modular construction, and the double faced adhesive tape of selecting thus or heat-conducting glue can meet this 2 point.And heat-conducting glue also helps heat and spreads to outside from backboard inside, further strengthen the heat dispersion of LED lamp bar.
Referring to Fig. 2, Fig. 2 is the part assembling design sketch of backlight module of the prior art, and the LED lamp bar 2 shown in figure is arranged at the U folding inside of backboard 1.So, in the time of assembling, need first LED lamp bar 2 to be fixed on to backboard 1 inside by the dung of similar double faced adhesive tape, then just can carry out as the assembling of other structures such as light guide plate, glue frame, blooming piece.But in the back plate design of slimming, the height of the U folding of backboard 1 is restricted, this makes the assembling of LED lamp bar 2 become very difficult, and after assembling, the outlet slot of flexible PCB is difficult to accurate location, is unfavorable for follow-up process flow for assembling.The more important thing is, this assembling mode makes backlight module carrying out LED lamp bar in heavy industry (rework) while disassembling, almost can cause whole damages of backboard and LED lamp bar or scrap (backboard distortion, LED lamp bar comprises flexible PCB bending distortion), the significant wastage while having caused heavy industry.
For improving assembleability and the heavy industry of LED lamp bar, the utility model (referring to Fig. 3) adopts the design of this LED lamp bar 2 externals, make LED lamp bar 2 be assembled in backboard 1 outside and carry out, the convenient easily row of assembling, without the problem of flexible circuit plate exit slot of considering LED lamp bar.Meanwhile, this external LED lamp bar design, while making heavy industry, only needs to carry out separately the LED lamp bar of outside or inner blooming piece, the heavy industry of light guide plate, and great convenient heavy industry, not only saves time, and can also reduce former material consume.On the other hand, this structural design has also been improved the thermal diffusivity (increase inner contact area, whole flexible PCB is external simultaneously, and thermal diffusivity improves greatly) of LED lamp bar.
Embodiment 2
Utility model design based on identical, the utility model embodiment has proposed a kind of display device, this display device comprises any one above-mentioned backlight module, this display device can be: liquid crystal panel, Electronic Paper, OLED(Organic Light Emitting Display, organic light-emitting diode display) any product or parts with Presentation Function such as panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
The display device providing due to the utility model embodiment comprises above-mentioned any one backlight module, thereby it has identical technical characterictic, so also can solve same technical matters, produces identical technique effect.
In sum, assembleability and the heavy industry of the utility model is very big ground improved backlight module, also improved the heat radiation of LED lamp bar simultaneously.
It should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make to comprise that the article of a series of key elements or equipment not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as this article or the intrinsic key element of equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within and comprise in the article of described key element or equipment and also have 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 the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; For example equivalence changes shape or the structure of the miscellaneous part structure of backlight module, or the shape to backboard or LED lamp bar or structure are carried out equivalence transformation, and these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.
Claims (8)
1. a backlight module, comprises backboard and LED lamp bar, it is characterized in that, on described backboard, comprise multiple through holes, the LED element of described LED lamp bar is embedded in the surface of described backboard by described through hole, and described LED lamp bar is fixed on the bottom surface of described backboard.
2. backlight module according to claim 1, is characterized in that, described through hole is positioned at the light inlet side of described backboard.
3. backlight module according to claim 1, is characterized in that, described LED lamp bar is flexible LED strip.
4. backlight module according to claim 3, is characterized in that, the flexible circuit plate exit slot of described flexible LED strip is positioned at the bottom surface of described flexible LED strip.
5. backlight module according to claim 1, is characterized in that, described LED lamp bar is mutually bonding with the bottom surface of described backboard by double faced adhesive tape or heat-conducting glue.
6. according to the backlight module described in any one in claim 1 to 5, it is characterized in that, described backboard comprises the groove that is positioned at the above LED lamp bar region, its bottom surface, the height protruding with respect to backboard bottom surface when the degree of depth of described groove equals described LED lamp bar and is fixed on described backboard.
7. according to the backlight module described in any one in claim 1 to 5, it is characterized in that quantity, size, the shape of described through hole and arrange respectively with quantity, size, the shape of the LED element on the LED lamp bar being embedded in wherein and arrange corresponding.
8. a display device, is characterized in that, comprises backlight module as claimed in any of claims 1 to 7 in one of claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182741.1U CN203811947U (en) | 2014-04-15 | 2014-04-15 | Backlight module and displaying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420182741.1U CN203811947U (en) | 2014-04-15 | 2014-04-15 | Backlight module and displaying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811947U true CN203811947U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420182741.1U Expired - Fee Related CN203811947U (en) | 2014-04-15 | 2014-04-15 | Backlight module and displaying device |
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| Country | Link |
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| CN (1) | CN203811947U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238189A (en) * | 2014-09-10 | 2014-12-24 | 合肥鑫晟光电科技有限公司 | Backlight source and assembling method thereof, display panel and display device |
| CN104279465A (en) * | 2014-10-28 | 2015-01-14 | 合肥京东方光电科技有限公司 | Backlight module and display device |
| CN105739146A (en) * | 2014-12-30 | 2016-07-06 | 乐金显示有限公司 | Liquid crystal display device including reinforcing frame |
| CN105782820A (en) * | 2016-04-27 | 2016-07-20 | 合肥京东方显示光源有限公司 | Backboard, backlight unit, display device and assembling method of backlight unit |
| CN110136586A (en) * | 2019-05-27 | 2019-08-16 | Oppo广东移动通信有限公司 | Backlight assembly, display module and electronic equipment |
| CN111679506A (en) * | 2020-06-29 | 2020-09-18 | 维沃移动通信有限公司 | Backlight module and electronic equipment |
-
2014
- 2014-04-15 CN CN201420182741.1U patent/CN203811947U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238189A (en) * | 2014-09-10 | 2014-12-24 | 合肥鑫晟光电科技有限公司 | Backlight source and assembling method thereof, display panel and display device |
| CN104279465A (en) * | 2014-10-28 | 2015-01-14 | 合肥京东方光电科技有限公司 | Backlight module and display device |
| CN105739146A (en) * | 2014-12-30 | 2016-07-06 | 乐金显示有限公司 | Liquid crystal display device including reinforcing frame |
| CN105782820A (en) * | 2016-04-27 | 2016-07-20 | 合肥京东方显示光源有限公司 | Backboard, backlight unit, display device and assembling method of backlight unit |
| CN105782820B (en) * | 2016-04-27 | 2018-07-27 | 合肥京东方显示光源有限公司 | The assemble method of backboard, back light unit, display device and back light unit |
| US10506673B2 (en) | 2016-04-27 | 2019-12-10 | Boe Technology Group Co., Ltd. | Back plate, backlight module, display device, and assembly method of backlight module |
| EP3450821A4 (en) * | 2016-04-27 | 2020-01-22 | Boe Technology Group Co. Ltd. | Back panel, backlight unit, display device and assembling method for backlight unit |
| CN110136586A (en) * | 2019-05-27 | 2019-08-16 | Oppo广东移动通信有限公司 | Backlight assembly, display module and electronic equipment |
| CN111679506A (en) * | 2020-06-29 | 2020-09-18 | 维沃移动通信有限公司 | Backlight module and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 |
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| CF01 | Termination of patent right due to non-payment of annual fee |