CN203249185U - Fixing structure for light bars in LED backlight module - Google Patents
Fixing structure for light bars in LED backlight module Download PDFInfo
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- CN203249185U CN203249185U CN 201320275658 CN201320275658U CN203249185U CN 203249185 U CN203249185 U CN 203249185U CN 201320275658 CN201320275658 CN 201320275658 CN 201320275658 U CN201320275658 U CN 201320275658U CN 203249185 U CN203249185 U CN 203249185U
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- lamp bar
- pcb board
- led lamp
- led
- bar pcb
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Abstract
The utility model discloses a fixing structure for light bars in an LED backlight module. The fixing structure for the light bars in the LED backlight module comprises an LED light bar PCB and a hardware backboard, wherein at least one U type groove is formed in the LED light bar PCB. The hardware backboard is formed through a stamping method and used for being adapted to positioning pillars of the U type groove, a plurality of first limiting embossments formed through the stamping method and a plurality of second limiting embossments formed through the stamping method are further arranged on the hardware backboard, the two long edges of the LED light bar PCB abut against the first limiting embossments of the hardware backboard and the second limiting embossments of the hardware backboard respectively so that the LED light bar PCB can be clamped between the first limiting embossments and the second limiting embossments, and elastic pressing sheets are further arranged on the first limiting embossments to press the board face of the LED light bar PCB to the large face of the hardware backboard. The fixing structure for the light bars in the LED backlight module has the advantages of being simple in installation method, convenient and rapid to use, high in production efficiency, relatively low in cost, accurate and reliable in positioning and not prone to slipping off in a vibration drop test, enabling the light bars to be in good contact with the hardware backboard, and being capable of smoothly conducting heat out through the metal backboard.
Description
Technical field
The utility model relates to TV technology, particularly relates to the fixed structure of lamp bar in a kind of LED-backlit module.
Background technology
Development along with TV tech, various jumbotrons, extra-thin television set are come out one after another, liquid crystal TV set is exactly wherein a kind of, liquid crystal TV set has the advantages that fuselage is thin, screen is large, radiationless, HD digital shows, more and more is subject to liking of consumers in general as household appliances.Along with the competition of TV industry is more and more fierce, and country requires more and more higher to energy saving television, the directly-down liquid crystal TV (CCFL) that cold cathode is luminous, eliminated by market gradually, the substitute is take in, great power LED is as the directly-down liquid crystal TV of light emitting source, is designated hereinafter simply as straight-down negative LED LCD TV.
Contain some LED lamp bars (Light Bar) in the backlight module of straight-down negative LED LCD TV, LED lamp bar requires to be fixed on the large face of five metals backboard, and (Cell) provides light source for liquid crystal panel.On every LED lamp bar some LED lamp is housed, in, high-power LED lamp in use, caloric value is very large.So need a kind of good fixed form, so that the lamp bar is installed simple, convenient at the five metals backboard; Accurate positioning, reliable is difficult for skidding off when the vibrations drop test; Lamp bar and five metals backboard good contact conduct heat smoothly by metal backing, otherwise will directly have influence on quality and life-span and the production efficiency of TV.The fixed structure of the LED lamp bar of prior art is comparatively complicated, has caused inconvenience is installed.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, and the fixed structure of lamp bar in a kind of LED-backlit module is provided, and has a mounting means simple, convenient, and production efficiency is high, and cost is relatively low; Accurate positioning, reliable is difficult for skidding off when the vibrations drop test; And lamp bar and five metals backboard good contact, the characteristics that heat can be conducted smoothly by metal backing.
The technical scheme that its technical problem that solves the utility model adopts is: the fixed structure of lamp bar in a kind of LED-backlit module comprises:
LED lamp bar pcb board, the wherein edge on a long limit of LED lamp bar pcb board is provided with at least one U-shaped groove;
The five metals backboard, installation place corresponding to LED lamp bar pcb board in the five metals backboard is provided with employing impact style locating dowel moulding and that can adapt to the U-shaped groove of LED lamp bar pcb board, wherein long limit corresponding to LED lamp bar pcb board in the five metals backboard is provided with the first spacing convex closure that several adopt the impact style moulding, wherein another long limit corresponding to LED lamp bar pcb board in the five metals backboard is provided with the second spacing convex closure that several adopt the impact style moulding, two long limits in the LED lamp bar pcb board are resisted against respectively the first spacing convex closure and the second spacing convex closure of five metals backboard and sentence so that LED lamp bar pcb board is stuck between the first spacing convex closure and the second spacing convex closure, wrap at the first limit convex and also are provided with the elastic pressuring plate that stretches to LED lamp bar pcb board direction presses to the five metals backboard with the plate face with LED lamp bar pcb board large face.
Described elastic pressuring plate is to form after going out U-shaped hole on the five metals backboard body.
The free-ended end of described elastic pressuring plate is provided with bending part.
The bending angle of the bending part of described elastic pressuring plate is not more than 40 °.
Also be provided with the reinforcement of the mode moulding of bending on the described elastic pressuring plate.
Described the first limit convex is packaged on the five metals backboard corresponding to a long limit with U-shaped groove of LED lamp bar pcb board.
The fixed structure of lamp bar in a kind of LED-backlit module of the present utility model, to stamp out locating dowel, the first spacing convex closure, the second spacing convex closure at the five metals backboard, at the first spacing convex closure place elastic pressuring plate is set, the wherein edge on a long limit at LED lamp bar pcb board is provided with at least one U-shaped groove, and certain strain of utilizing LED lamp bar pcb board and elastic pressuring plate to have realizes fixing.During installation, first the U-shaped groove of LED lamp bar pcb board is aimed at the locating dowel on the five metals backboard, then utilize the strain of LED lamp bar pcb board and elastic pressuring plate, whole LED lamp bar pcb board is pushed forward into respectively in each elastic pressuring plate, make elastic pressuring plate the plate face of LED lamp bar pcb board be pressed to the large face of five metals backboard, when LED lamp bar pcb board wherein the first spacing convex closure is pushed up on a long limit time, whole LED lamp bar pcb board just is between the first spacing convex closure and the second spacing convex closure, two long limits in the LED lamp bar pcb board are resisted against respectively the first spacing convex closure and the second spacing convex closure place of five metals backboard, realize the spacing of both direction.Because LED lamp caloric value is large, for guaranteeing good heat conductive, elastic pressuring plate is as far as possible near the LED lamp, and the plate face of compression LED lamp bar pcb board.The free end end of elastic pressuring plate need to arrange a little bending angle a, the guiding when pushing as the assembling lamp bar.Self-locking when preventing from assembling, a≤40 °.Another effect of elastic pressuring plate bending is, contacts rather than the face contact with the elastic pressuring plate retention wire when LED lamp bar pcb board is pushed, and makes things convenient for LED lamp bar pcb board to slip into.At present the five metals backboard taking cost into account, thickness commonly used is 0.6mm and 0.8mm, and is thinner, so need to beat a reinforcement at elastic pressuring plate, when avoiding LED lamp bar pcb board to push, elastic pressuring plate can't recover after producing plastic deformation, causes LED lamp bar pcb board not press tightly.
The beneficial effects of the utility model are, owing to having adopted at the wherein edge on a long limit of LED lamp bar pcb board U-shaped groove be set, stamp out locating dowel at the five metals backboard, the first spacing convex closure and the second spacing convex closure, and wrap at the first limit convex elastic pressuring plate is set, U-shaped groove by LED lamp bar pcb board cooperates with the locating dowel of five metals backboard, make LED lamp bar pcb board be stuck between the first spacing convex closure and the second spacing convex closure and pressed to the large face of five metals backboard by the elastic pressuring plate that the first limit convex is wrapped, LED lamp bar pcb board is fixed on the five metals backboard, it is simple that this fixed structure has a mounting means, convenient, production efficiency is high, and cost is relatively low; Accurate positioning, reliable is difficult for skidding off when the vibrations drop test; And lamp bar and five metals backboard good contact, the characteristics that heat can be conducted smoothly by metal backing.
Below in conjunction with drawings and Examples the utility model is described in further detail; But the fixed structure of lamp bar is not limited to embodiment in a kind of LED-backlit module of the present utility model.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of the engagement process of five metals backboard of the present utility model and LED lamp bar pcb board;
Fig. 3 is the cutaway view that five metals backboard of the present utility model and LED lamp bar pcb board are mated condition.
The specific embodiment
Embodiment, to shown in Figure 3, the fixed structure of lamp bar in a kind of LED-backlit module of the present utility model comprises referring to Fig. 1:
LED lamp bar pcb board 1, the wherein edge on a long limit of LED lamp bar pcb board 1 is provided with at least one U-shaped groove 11;
Five metals backboard 2, installation place corresponding to LED lamp bar pcb board in the five metals backboard 2 is provided with employing impact style locating dowel 21 moulding and that can adapt to the U-shaped groove of LED lamp bar pcb board, wherein long limit corresponding to LED lamp bar pcb board in the five metals backboard is provided with the first spacing convex closure 22 that several adopt the impact style moulding, wherein another long limit corresponding to LED lamp bar pcb board in the five metals backboard is provided with the second spacing convex closure 23 that several adopt the impact style moulding, two long limits in the LED lamp bar pcb board are resisted against respectively the first spacing convex closure 22 and the second spacing convex closure 23 of five metals backboard and sentence so that LED lamp bar pcb board 1 is stuck between the first spacing convex closure 22 and the second spacing convex closure 23, also are provided with the elastic pressuring plate 3 that stretches to LED lamp bar pcb board direction presses to five metals backboard 2 with the plate face with LED lamp bar pcb board 1 large face on the first spacing convex closure 22.
Described elastic pressuring plate 3 is gone out the 31 rear formation of U-shaped hole on the five metals backboard body, and after five metals backboard body 2 was gone out U-shaped hole 31, the part that stays just became and has a free-ended lamellar body, and this lamellar body can be with respect to the root strain of lamellar body.
The free-ended end of described elastic pressuring plate 3 is provided with bending part 32.
The bending angle a of the bending part 32 of described elastic pressuring plate 3 is not more than 40 °.
Also be provided with the reinforcement 33 of the mode moulding of bending on the described elastic pressuring plate 3.
The described first spacing convex closure 22 is located on the five metals backboard corresponding to a long limit with U-shaped groove of LED lamp bar pcb board, namely the first spacing convex closure 22 and locating dowel 21 are located at the same one side corresponding to LED lamp bar pcb board, like this, can be when LED lamp bar pcb board be pushed the first spacing convex closure 22 to, when the U-shaped groove of LED lamp bar pcb board matched with the locating dowel 21 of five metals backboard 2, the elastic pressuring plate 3 of the first spacing convex closure 22 of five metals backboard 2 also matched with a long limit of LED lamp bar pcb board.
The fixed structure of lamp bar in a kind of LED-backlit module of the present utility model, to stamp out locating dowel 21, the first spacing convex closure 22, the second spacing convex closure 23 at five metals backboard 2,22 places arrange elastic pressuring plate 3 at the first spacing convex closure, be provided with at least one U-shaped groove 11 at the wherein edge on a long limit of LED lamp bar pcb board, certain strain of utilizing LED lamp bar pcb board 1 and elastic pressuring plate 3 to have realizes fixing.During installation, the locating dowel 21 of first the U-shaped groove 11 of LED lamp bar pcb board 1 being aimed on the five metals backboard, then utilize the strain of LED lamp bar pcb board 1 and elastic pressuring plate 3, whole LED lamp bar pcb board 1 is pushed forward into respectively in each elastic pressuring plate 3, make elastic pressuring plate 3 the plate face of LED lamp bar pcb board 1 be pressed to the large face of five metals backboard 2, when LED lamp bar pcb board 1 wherein the first spacing convex closure 22 is pushed up on a long limit time, whole LED lamp bar pcb board 1 just is between the first spacing convex closure 22 and the second spacing convex closure 23, two long limits in the LED lamp bar pcb board 1 are resisted against respectively the first spacing convex closure 22 and the second spacing convex closure 23 places of five metals backboard, realize the spacing of both direction.Because LED lamp caloric value is large, for guaranteeing good heat conductive, elastic pressuring plate 3 is as far as possible near the LED lamp, and the plate face of compression LED lamp bar pcb board 1.The free end end of elastic pressuring plate 3 need to arrange a little bending angle a, the guiding when pushing as the assembling lamp bar.Self-locking when preventing from assembling, a≤40 °.Another effect of elastic pressuring plate 3 bendings is, contacts rather than the face contact with elastic pressuring plate 3 retention wires when LED lamp bar pcb board is pushed, and makes things convenient for LED lamp bar pcb board 1 to slip into.At present the five metals backboard taking cost into account, thickness commonly used is 0.6mm and 0.8mm, and is thinner, so need to beat a reinforcement 33 at elastic pressuring plate 3, when avoiding LED lamp bar pcb board 1 to push, can't recover after elastic pressuring plate 3 produces plastic deformation, cause LED lamp bar pcb board 1 not press tightly.
Above-described embodiment only is used for further specifying the fixed structure of lamp bar in a kind of LED-backlit module of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection domain of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.
Claims (6)
1. the fixed structure of lamp bar in the LED-backlit module comprises LED lamp bar pcb board and five metals backboard; It is characterized in that:
The wherein edge on a long limit of LED lamp bar pcb board is provided with at least one U-shaped groove;
Installation place corresponding to LED lamp bar pcb board in the five metals backboard is provided with employing impact style locating dowel moulding and that can adapt to the U-shaped groove of LED lamp bar pcb board, wherein long limit corresponding to LED lamp bar pcb board in the five metals backboard is provided with the first spacing convex closure that several adopt the impact style moulding, wherein another long limit corresponding to LED lamp bar pcb board in the five metals backboard is provided with the second spacing convex closure that several adopt the impact style moulding, two long limits in the LED lamp bar pcb board are resisted against respectively the first spacing convex closure and the second spacing convex closure of five metals backboard and sentence so that LED lamp bar pcb board is stuck between the first spacing convex closure and the second spacing convex closure, wrap at the first limit convex and also are provided with the elastic pressuring plate that stretches to LED lamp bar pcb board direction presses to the five metals backboard with the plate face with LED lamp bar pcb board large face.
2. the fixed structure of lamp bar in the LED-backlit module according to claim 1, it is characterized in that: described elastic pressuring plate is to form after going out U-shaped hole on the five metals backboard body.
3. the fixed structure of lamp bar in the LED-backlit module according to claim 2, it is characterized in that: the free-ended end of described elastic pressuring plate is provided with bending part.
4. the fixed structure of lamp bar in the LED-backlit module according to claim 3, it is characterized in that: the bending angle of the bending part of described elastic pressuring plate is not more than 40 °.
5. the fixed structure of lamp bar according to claim 2 or in the 3 or 4 described LED-backlit modules is characterized in that: the reinforcement that also is provided with the mode moulding of bending on the described elastic pressuring plate.
6. the fixed structure of lamp bar in the LED-backlit module according to claim 1 is characterized in that: described the first limit convex is packaged on the five metals backboard corresponding to a long limit with U-shaped groove of LED lamp bar pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320275658 CN203249185U (en) | 2013-05-20 | 2013-05-20 | Fixing structure for light bars in LED backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320275658 CN203249185U (en) | 2013-05-20 | 2013-05-20 | Fixing structure for light bars in LED backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249185U true CN203249185U (en) | 2013-10-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320275658 Withdrawn - After Issue CN203249185U (en) | 2013-05-20 | 2013-05-20 | Fixing structure for light bars in LED backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203249185U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423713A (en) * | 2013-05-20 | 2013-12-04 | 厦门华侨电子股份有限公司 | Fixing structure of light bars in LED (light-emitting diode) backlight module |
| WO2017193655A1 (en) * | 2016-05-10 | 2017-11-16 | 京东方科技集团股份有限公司 | Backlight module and method for assembling same, and display device |
-
2013
- 2013-05-20 CN CN 201320275658 patent/CN203249185U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423713A (en) * | 2013-05-20 | 2013-12-04 | 厦门华侨电子股份有限公司 | Fixing structure of light bars in LED (light-emitting diode) backlight module |
| CN103423713B (en) * | 2013-05-20 | 2016-04-27 | 厦门厦华投资有限公司 | The fixed structure of lamp bar in a kind of LED-backlit module |
| WO2017193655A1 (en) * | 2016-05-10 | 2017-11-16 | 京东方科技集团股份有限公司 | Backlight module and method for assembling same, and display device |
| US10197851B2 (en) | 2016-05-10 | 2019-02-05 | Boe Technology Group Co., Ltd. | Backlight module and method for assembling the same, and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIAMEN XIAHUA INVESTMENT CO., LTD. Free format text: FORMER OWNER: XIAMEN OVERSEAS CHINESE ELECTRONIC CO., LTD. Effective date: 20140617 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140617 Address after: 361000 Fujian, Xiamen Lake District, Jiahe Road, building 505, room five, room 618 Patentee after: Xiamen Xiahua Investment Co., Ltd. Address before: 361000 No. 22 Huli Avenue, Fujian, Xiamen Patentee before: Xiamen Overseas Chinese Electronic Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiamen Science and Technology Ltd. of Xiahua Assignor: Xiamen Xiahua Investment Co., Ltd. Contract record no.: 2015350000036 Denomination of utility model: Fixing structure of light bars in LED (light-emitting diode) backlight module Granted publication date: 20131023 License type: Exclusive License Record date: 20150514 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131023 Effective date of abandoning: 20160427 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |