CN202281138U - Back plate, backlight mold set and display device - Google Patents

Back plate, backlight mold set and display device Download PDF

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Publication number
CN202281138U
CN202281138U CN201120426716XU CN201120426716U CN202281138U CN 202281138 U CN202281138 U CN 202281138U CN 201120426716X U CN201120426716X U CN 201120426716XU CN 201120426716 U CN201120426716 U CN 201120426716U CN 202281138 U CN202281138 U CN 202281138U
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CN
China
Prior art keywords
light source
fixed part
backboard
back plate
backlight
Prior art date
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Expired - Lifetime
Application number
CN201120426716XU
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Chinese (zh)
Inventor
池海
马青
雷嗣军
李友
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BOE Technology Group Co Ltd
Original Assignee
Beijing BOE Optoelectronics Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201120426716XU priority Critical patent/CN202281138U/en
Application granted granted Critical
Publication of CN202281138U publication Critical patent/CN202281138U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a back plate, a backlight mold set and a display device for a backlight mold set, which are designed to resolve the defect that the heat radiation effect of a backlight mold set used by a conventional LED light bar is bad. The back plate comprises a back plate body and a light source fixed part disposed at at least one side of the back plate body. At least one side of the edge of the back plate body is curled to form a light source fixed part with a U-shaped cross section, or at least one side of the edge of the back plate body is curled to form a U-shaped light source fixed part. The light source fixed part is disposed in the U-shaped light source fixed part. The backlight mold set comprises a light guide plate, a light source and a back plate which is disposed at the outer side of the light guide plate and the light source. The display device comprises the backlight mold set. The back plate used for the backlight mold set is high in heat radiation efficiency and good in effect. The backlight mold set and the display device formed by the back plates are low in cost. The processing is simplified and production efficiency is improved, and favorable conditions are provided for the thinning of products.

Description

Backboard, backlight source module and display unit
Technical field
The utility model relates to a kind of display unit, relates in particular to a kind of backboard of backlight source module.
Background technology
Along with electronic product is applied in the daily life more and more widely, lcd technology develops rapidly, and a lot of aspects have all be unable to do without liquid crystal indicator in the life.The light-emitting diode display demand of wherein ultra-thin, environmental protection, low-carbon (LC) is increasing, and technical development is rapid, is expected to become the main flow of demonstration industry.
The major technique barrier of restriction led light source development is its heat dissipation problem at present.LED lamp bar all needs long continuous firing usually as light source, can produce a large amount of heats; Usually LED lamp bar is fixed in the metal shade, conducts, but, therefore formed the accumulation of heat because the lampshade area is limited, and radiating effect is undesirable by the heat of lampshade with LED.Too high temperature very easily hurts led chip, causes luminous flux to descend, and light source life reduces, and electrical parameter changes, and light decay increases severely.
The area that increases metal shade can improve radiating efficiency, and still, lampshade is difficult for too greatly again installing, and can increase cost.
The utility model content
In order to overcome above-mentioned defective, the utility model provides the respond well backlight source module of a kind of light source heat radiation with backboard, backlight source module and display unit.
For achieving the above object, the utility model backlight source module with backboard comprise metal material backboard body and by at least one lateral edges of said backboard body extend and curl into the light source fixed part.
Particularly, at least one lateral edges of said backboard body curls into U-shaped light source fixed part, and said light source fixed part is arranged in the U-shaped light source fixed part.
A kind of backlight source module comprises: LGP, the light source that is arranged on said LGP termination and above-mentioned backboard, and said backboard is arranged on the outside of said LGP and light source, and said light source is fixed in the light source fixed part and with the light source fixed part and contacts.
Particularly, said light source is a LED lamp bar, and said LED lamp bar fixes in said backboard U-shaped light source fixed part, and at least one side head of said LGP is positioned at said backboard U-shaped light source fixed part.
Particularly, saidly be provided with draw-in groove, LED lamp bar is stuck in the draw-in groove in light source fixed part inboard.
A kind of display unit comprises above-mentioned backlight source module.
The utility model backlight source module is provided with the light source fixed part with backboard, and light sources such as LED lamp bar are fixed in this light source fixed part, utilizes the bigger backlight backboard of area to be light source heat radiation, and efficient is high, respond well.Saved the lampshade and the framework of existing backlight in the utility model backlight source module, cost lowers, work simplification, and production efficiency improves, for the slimming of product provides advantage.
The utility model display unit is used the good backlight source module of above-mentioned radiating effect, has improved the quality of display unit, has simplified technology, has reduced cost.
Description of drawings
Fig. 1 is existing back light source structure sketch map.
Fig. 2 is the utility model first preferred embodiment structural representation.
Fig. 3 is the utility model second preferred embodiment structural representation.
Fig. 4 concerns sketch map for bending the preceding backboard and the position of LED lamp bar.
The specific embodiment
Below in conjunction with Figure of description and embodiment the utility model is done detailed description.
As shown in Figure 1, backlight source module mainly comprises panel 11, optical film material 12, LGP 13 that sets gradually and the light source that is arranged on the LGP termination from top to bottom.LED lamp bar 14 as light source in the existing backlight source module is installed in the lampshade 15 LED lamp 18 on the LED lamp bar 14 and LGP 13 corresponding settings.Lampshade 15 outsides are provided with framework 16, and framework 16 outsides install and fix the whole backboard 17 of module again.In this structure, a large amount of heats that produce and accumulate during 14 work of LED lamp bar are to transfer out through lampshade 15, but because the limitation of area, the heat sinking function of lampshade 15 is bad, and efficient is low.
The utility model backlight source module comprises backboard body and the light source fixed part that is arranged at least one side of backboard body with backboard.Backboard body is used to support assemblies such as LGP, and the light source fixed part is used for fixing light sources such as LED lamp bar.Preferred structure is that at least one lateral edges of backboard body extends and curls into the light source fixed part that the cross section takes the shape of the letter U, and light source fixes and in this U-shaped light source fixed part and directly, contacts with the light source fixed part, and at least one side head of LGP is positioned at U-shaped light source fixed part.In this structure, because backboard is metal material, have better radiating effect, so backboard distributed the heat of light source effectively, blocked light source again simultaneously and leaked to avoid light.
For light sources such as side-emitting LED lamp bars, with need being connected of backboard to connect, fixed part.Preferred structure is at least one lateral edges extension of backboard body and curls into U-shaped light source fixed part that the light source fixed part is arranged in the U-shaped light source fixed part.Light source is fixed on the light source fixed part in this U-shaped light source fixed part, and at least one side head of LGP is positioned at U-shaped light source fixed part.In this structure, backboard has distributed the heat of light source effectively, has blocked light source again simultaneously and has leaked to avoid light.
Remove lampshade and frame structure in the utility model backlight source module, light sources such as LED lamp bar have been directly installed on the backboard, utilized large-area metal backing to reach the purpose of timely heat radiation.
Preferred embodiment one: as shown in Figure 2, the utility model backlight source module mainly comprise panel 11, optical film material 12, the LGP 13 that sets gradually from top to bottom and be arranged on LGP and the backboard light source fixed part between LED lamp bar 14 and be positioned at the LED lamp 18 of LED lamp bar top.What use in the present embodiment is top emission type LED lamp 18, so the 14 edge-on placements of LED lamp bar, LED lamp 18 with LGP 13 corresponding placements so that make full use of light source, for display unit provides light source.
The utility model backlight source module also comprises metal backing 17.Backboard 17 is arranged on LGP 13 belows and plays support, protection and ccontaining effect.LED lamp bar 14 is arranged on the end of backboard 17; The preferred light source fixing part structure that uses this cross section shown in Figure 2 to take the shape of the letter U; The size of light source fixed part inside dimensions and LED lamp bar 14 is suitable, can LED lamp bar 14 be placed on the inboard and firm chucking of U-shaped light source fixed part.
Preferred embodiment two: as shown in Figure 3, the utility model backlight source module mainly comprises panel 11, optical film material 12, LGP 13 that sets gradually and the LED lamp bar 14 that is arranged on the LGP termination from top to bottom.What use in the present embodiment is side light emitting-type LED lamp 18, so LED lamp bar 14 and LGP 13 parallel placements, so that make full use of the light of LED lamp 18, and for display unit provides light source.
The utility model backlight source module also comprises metal backing 17.Backboard 17 is arranged on LGP 13 belows and plays support, protection and ccontaining effect.LED lamp bar 14 is arranged on the end of backboard 17, and the light source fixing part structure that preferably uses this cross section shown in Figure 2 to take the shape of the letter U is placed on the U-shaped light source fixed part inboard suitable with its size with LED lamp bar 14.In order to make LED lamp bar 14 place more firmly, in the inboard suitable position of the light source fixed part of backboard 17 draw-in groove is set, LED lamp bar 14 is stuck in the draw-in groove.
As shown in Figure 4, the preferred for preparation mode of U-shaped light source fixed part is: in the appropriate position on the position, backboard termination the width of the distance reference LED lamp bar 14 between 20, two bending lines of two bending lines is set and sets.Then LED lamp bar 14 is fixed on 20 of two bending lines on the backboard, LED lamp 18 toward the outer side.The bending backboard forms U-shaped can fixed L ED lamp bar 14.
The structure that is to use LED lamp bar 14 that the utility model backlight source module is primarily aimed at utilizes the bigger backlight backboard of area to be light source heat radiation, and efficient is high, and is respond well.Light source for other heat radiations are had relatively high expectations also can be with reference to using the utility model backlight source module.Because saved the lampshade and the framework of existing backlight, cost lowers, work simplification, and production efficiency improves, for the slimming of product provides advantage.
The utility model display unit is used the good backlight source module of above-mentioned radiating effect, has improved the quality of display unit, has simplified technology, has reduced cost.
More than; Be merely the preferred embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain that claim was defined.

Claims (6)

1. a backlight source module is used backboard, it is characterized in that, comprise metal material backboard body and by at least one lateral edges of said backboard body extend and curl into the light source fixed part.
2. backlight source module according to claim 1 is used backboard, it is characterized in that: at least one lateral edges of said backboard body curls into U-shaped light source fixed part, and said light source fixed part is arranged in the U-shaped light source fixed part.
3. backlight source module; At least comprise: LGP and the light source that is arranged on said LGP termination; It is characterized in that; Also comprise arbitrary described backboard like claim 1-2, said backboard is arranged on the outside of said LGP and light source, and said light source is fixed in the light source fixed part and with the light source fixed part and contacts.
4. backlight source module according to claim 3 is characterized in that: said light source is a LED lamp bar, and said LED lamp bar fixes in said backboard U-shaped light source fixed part, and at least one side head of said LGP is positioned at said backboard U-shaped light source fixed part.
5. backlight source module according to claim 4 is characterized in that: saidly be provided with draw-in groove in light source fixed part inboard, LED lamp bar is stuck in the draw-in groove.
6. a display unit is characterized in that: comprise like claim 3,4 or 5 described backlight source module.
CN201120426716XU 2011-10-28 2011-10-28 Back plate, backlight mold set and display device Expired - Lifetime CN202281138U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120426716XU CN202281138U (en) 2011-10-28 2011-10-28 Back plate, backlight mold set and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120426716XU CN202281138U (en) 2011-10-28 2011-10-28 Back plate, backlight mold set and display device

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CN202281138U true CN202281138U (en) 2012-06-20

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CN201120426716XU Expired - Lifetime CN202281138U (en) 2011-10-28 2011-10-28 Back plate, backlight mold set and display device

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103489375A (en) * 2013-09-30 2014-01-01 京东方科技集团股份有限公司 Displaying device
CN103969886A (en) * 2013-01-14 2014-08-06 三星显示有限公司 Display apparatus
CN105202424A (en) * 2015-10-29 2015-12-30 京东方光科技有限公司 Backlight unit and display unit
CN105526533A (en) * 2016-01-28 2016-04-27 重庆惠科金扬科技有限公司 Structure for preventing light bar from warping after aging and display device
CN106597736A (en) * 2016-11-22 2017-04-26 昆山龙腾光电有限公司 Liquid crystal display module group and liquid crystal display device
WO2017067207A1 (en) * 2015-10-23 2017-04-27 京东方科技集团股份有限公司 Backlight source and display device
CN113031146A (en) * 2021-04-07 2021-06-25 浙江彩丞照明科技有限公司 Luminous glass device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103969886A (en) * 2013-01-14 2014-08-06 三星显示有限公司 Display apparatus
CN103489375A (en) * 2013-09-30 2014-01-01 京东方科技集团股份有限公司 Displaying device
CN103489375B (en) * 2013-09-30 2016-08-17 京东方科技集团股份有限公司 A kind of display device
WO2017067207A1 (en) * 2015-10-23 2017-04-27 京东方科技集团股份有限公司 Backlight source and display device
CN105202424A (en) * 2015-10-29 2015-12-30 京东方光科技有限公司 Backlight unit and display unit
CN105202424B (en) * 2015-10-29 2018-03-02 京东方光科技有限公司 Back light unit and display device
US10393948B2 (en) 2015-10-29 2019-08-27 Boe Technology Group Co., Ltd. Backlight unit and display device
CN105526533A (en) * 2016-01-28 2016-04-27 重庆惠科金扬科技有限公司 Structure for preventing light bar from warping after aging and display device
CN105526533B (en) * 2016-01-28 2018-10-19 重庆惠科金扬科技有限公司 A kind of structure and display device preventing warpage after lamp bar aging
CN106597736A (en) * 2016-11-22 2017-04-26 昆山龙腾光电有限公司 Liquid crystal display module group and liquid crystal display device
CN113031146A (en) * 2021-04-07 2021-06-25 浙江彩丞照明科技有限公司 Luminous glass device

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD

Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD.

Effective date: 20150708

Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY

Effective date: 20150708

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150708

Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No.

Patentee after: BOE Technology Group Co., Ltd.

Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd.

Address before: 100176 Beijing economic and Technological Development Zone, West Central Road, No. 8

Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20120620

CX01 Expiry of patent term