CN201852047U - Backlight lamp bar fixing structure for backlight module - Google Patents
Backlight lamp bar fixing structure for backlight module Download PDFInfo
- Publication number
- CN201852047U CN201852047U CN2010205749574U CN201020574957U CN201852047U CN 201852047 U CN201852047 U CN 201852047U CN 2010205749574 U CN2010205749574 U CN 2010205749574U CN 201020574957 U CN201020574957 U CN 201020574957U CN 201852047 U CN201852047 U CN 201852047U
- Authority
- CN
- China
- Prior art keywords
- backlight
- circuit board
- heat sink
- fixing structure
- module
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a backlight lamp bar fixing structure for a backlight module, which comprises a radiating plate, a circuit board, a backlight lamp bar and fasteners. The backlight strip is disposed on the circuit board, and the circuit board is fixed onto the radiating plate through the fasteners. Screws are omitted from the structure, metal chips can be reduced, related avoidance design on the circuit board can be omitted, and the width of the circuit board is reduced so that the whole backlight module is thinned and lightened.
Description
Technical field
The utility model relates to lcd technology, particularly a kind of module backlight.
Background technology
Along with development of science and technology, lcd technology is more and more ripe, and TV is also from traditional kinescope LCD till now.LCD is passive luminous display screen, and liquid crystal itself is not luminous, so LCD needs module backlight that light source is provided.Answer LCD lightening, energy-conservationization, the development trend of wide colour gamut, the light source of module backlight is also developed to LED (Light Emitting Diode light emitting diode) by traditional CCFL (Cold CathodeFluorescent Lamp cold cathode fluorescent lamp pipe).In the prior art, the fixed form of LED-backlit module normally: the circuit board that will be provided with the backlight bar is attached on the heat sink with screw.But this fixed structure exists certain defective:
Have metal fillings when 1, screw and heat sink lock and produce, easy scratch module internal optics backlight after the module internal backlight that drops, metal fillings may touch LED electrode and heat sink simultaneously, causes short circuit;
2, need open the hole on the circuit board, the aperture will be designed enough wide circuit board and satisfy inner cabling usually greater than 1.6mm;
3, the LED spacing at lock screw place causes the LED skewness greater than the LED spacing of not locking the screw place, and the optical design difficulty strengthens, and if can make the picture luminance nonuniformity with light guide plate mesh point assembling dislocation, taste reduces;
4, lock has during screw and damages LED and make the risk of the sliding tooth of heat sink screw hole.
Therefore, there is weak point in prior art.
The utility model content
In view of above-mentioned the deficiencies in the prior art part, the fixedly structure of backlight bar is provided to provide in a kind of module backlight the purpose of this utility model, avoid the use of screw, reducing metal fillings produces, and need not on circuit board, to do to be correlated with and dodge design, make the width of circuit board attenuate make module integral body backlight lightening.
In order to achieve the above object, the utility model has been taked following technical scheme:
The fixing structure of backlight bar in a kind of module backlight wherein, comprises heat sink, circuit board, backlight bar and fixture; Described backlight bar is arranged on the circuit board, and described fixture is fixed on circuit board on the described heat sink.
The fixing structure of backlight bar in the described module backlight, wherein, described heat sink is provided with button point and draw-in groove, described circuit board is provided with perforate, described fixture is provided with trip and projection, button point on the described heat sink is corresponding one by one with the perforate on the circuit board, and the trip on the described fixture engages with draw-in groove on the heat sink, and the perforate that the projection on the described fixture is passed on the circuit board is buckled on the button point of heat sink relevant position.
The fixing structure of backlight bar in the described module backlight, wherein, described fixture one side end outwards is the perk shape.
The fixing structure of backlight bar in the module backlight that the utility model provides has adopted draw-in groove and button dot structure has been set on the heat sink of module backlight, and is fixed on the heat sink by the circuit board that fixture will be provided with the backlight bar.The use that it has avoided screw makes the width of circuit board attenuate, and simple in structure, is easy to dismounting, and is workable.
Description of drawings
The fixing overall structure constitutional diagram of the structure of backlight bar in the module backlight that Fig. 1 provides for the utility model embodiment;
The fixing profile of the structure of backlight bar in the module backlight that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the schematic diagram of fixture in the utility model.
The specific embodiment
The utility model provides in a kind of module backlight the fixedly structure of backlight bar, and is clearer, clear and definite for making the purpose of this utility model, technical scheme and effect, below with reference to accompanying drawing and give an actual example the utility model is further described.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1, it is the fixing overall structure constitutional diagram of the structure of backlight bar in the module backlight.Comprise heat sink 100, circuit board 110, backlight bar 120 and fixture 130.Described backlight bar 120 is arranged on the described circuit board 110, and described fixture 130 is fixed on circuit board 110 on the described heat sink 100 by the perforate 111 on the described circuit board 110.
Wherein, the perforate 111 on the described circuit board 110 is positioned at the non-winding displacement district on the circuit board 110.
See also Fig. 2, described fixture 130 is provided with trip 131 and projection 132, and described heat sink 100 is provided with the button point 102 on draw-in groove 101 and the relevant position, and perforate 111 is corresponding one by one on described button point 102 and the circuit board 110.During assembling, fixture 130 is depressed from upside, open because of elastic deformation both sides, the trip 131 of one side engages with draw-in groove 101 on the heat sink 100, the projection 132 of opposite side is passed the perforate 111 on the circuit board 110, be buckled on the button point 102 on heat sink 100 relevant positions, played location and fixation.In when dismounting, by to the outside application of force in the both sides of fixture, make its draw-in groove 101 and pairing button point 102 that breaks away from heat sink after, extract and can finish dismounting.
Please continue to consult Fig. 3, trip of described fixture 130 131 and projection 132 lay respectively at its both sides, and a side end of band projection outwards is the perk shape, scratch the surface of circuit board 110 when avoiding engaging, and have also played effect for convenience detach simultaneously.
Further, described fixture 130 adopts the high-ductility material, can be easily because external force does not produce fracture, irreversible deformation etc.Specifically, satisfy the moulding, stamping parts, bending part of this requirement all applicable to the utility model.
Characteristics such as simultaneously, described fixed structure 130 has simple in structure, is easy to dismounting, and is workable.
Be understandable that; for those of ordinary skills; can be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the utility model.
Claims (3)
1. the fixing structure of backlight bar in the module backlight is characterized in that: comprise heat sink, circuit board, backlight bar and fixture; Described backlight bar is arranged on the circuit board, and described fixture is fixed on circuit board on the described heat sink.
2. the fixing structure of backlight bar in the module backlight according to claim 1, it is characterized in that: described heat sink is provided with button point and draw-in groove, described circuit board is provided with perforate, described fixture is provided with trip and projection, button point on the described heat sink is corresponding one by one with the perforate on the circuit board, trip on the described fixture engages with draw-in groove on the heat sink, and the perforate that the projection on the described fixture is passed on the circuit board is buckled on the button point of heat sink relevant position.
3. the fixing structure of backlight bar in the module backlight according to claim 1, it is characterized in that: described fixture one side end outwards is the perk shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205749574U CN201852047U (en) | 2010-10-18 | 2010-10-18 | Backlight lamp bar fixing structure for backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205749574U CN201852047U (en) | 2010-10-18 | 2010-10-18 | Backlight lamp bar fixing structure for backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201852047U true CN201852047U (en) | 2011-06-01 |
Family
ID=44094438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205749574U Expired - Fee Related CN201852047U (en) | 2010-10-18 | 2010-10-18 | Backlight lamp bar fixing structure for backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201852047U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853286A (en) * | 2011-06-29 | 2013-01-02 | 苏州璨宇光学有限公司 | Light source assembly |
| WO2013037140A1 (en) * | 2011-09-13 | 2013-03-21 | 深圳市华星光电技术有限公司 | Luminous bar fixing device and helical spring |
| WO2013078744A1 (en) * | 2011-12-02 | 2013-06-06 | 深圳市华星光电技术有限公司 | Positioning hook of optimal film of backlight module |
| CN103472622A (en) * | 2013-09-16 | 2013-12-25 | 孙银生 | Liquid crystal display device and backlight module thereof |
| CN113641022A (en) * | 2021-07-13 | 2021-11-12 | 蚌埠国显科技有限公司 | LCM module frame plate, LCM module fixing structure and LCM module |
-
2010
- 2010-10-18 CN CN2010205749574U patent/CN201852047U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853286A (en) * | 2011-06-29 | 2013-01-02 | 苏州璨宇光学有限公司 | Light source assembly |
| WO2013037140A1 (en) * | 2011-09-13 | 2013-03-21 | 深圳市华星光电技术有限公司 | Luminous bar fixing device and helical spring |
| WO2013078744A1 (en) * | 2011-12-02 | 2013-06-06 | 深圳市华星光电技术有限公司 | Positioning hook of optimal film of backlight module |
| CN103472622A (en) * | 2013-09-16 | 2013-12-25 | 孙银生 | Liquid crystal display device and backlight module thereof |
| CN103472622B (en) * | 2013-09-16 | 2016-06-22 | 深圳市中深光电有限公司 | Liquid crystal indicator and backlight module thereof |
| CN113641022A (en) * | 2021-07-13 | 2021-11-12 | 蚌埠国显科技有限公司 | LCM module frame plate, LCM module fixing structure and LCM module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20131018 |