CN202371588U - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN202371588U CN202371588U CN2011205458060U CN201120545806U CN202371588U CN 202371588 U CN202371588 U CN 202371588U CN 2011205458060 U CN2011205458060 U CN 2011205458060U CN 201120545806 U CN201120545806 U CN 201120545806U CN 202371588 U CN202371588 U CN 202371588U
- Authority
- CN
- China
- Prior art keywords
- frame
- metal frame
- flanging
- trip
- fixture block
- 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 - Lifetime
Links
- 239000002184 metal Substances 0.000 claims abstract description 90
- 239000003292 glue Substances 0.000 claims description 68
- 210000005056 cell body Anatomy 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model provides a backlight module, which combines a rubber frame and a metal frame into a whole by matching a hem clamping hook which is bent inwards at the top of the side wall of the metal frame with a clamping block on the side wall of the rubber frame, thereby enhancing the matching firmness of the metal frame and the rubber frame and improving the strength of the backlight module; furthermore, the folding edge clamping hooks are provided with the buckles, the side walls of the rubber frame are provided with the clamping grooves and the clamping blocks, the rubber frame and the metal frame are assembled and combined into a whole through the rubber frame clamping blocks, the metal frame buckles and the rubber frame clamping grooves, the metal frame folding edge clamping hooks are clamped, the matching firmness of the metal frame and the rubber frame is further enhanced, and the strength of the backlight module is improved. The backlight module of the utility model avoids the pollution caused by the side wall window of the metal frame in the prior art, and improves the yield of the liquid crystal display; and meanwhile, the outer surface of the side wall of the frame is smooth after the metal frame and the rubber frame are assembled into a body, so that the anti-twisting force and the anti-extrusion force performance of the backlight module are improved.
Description
Technical field
The utility model relates to the liquid crystal indicator technical field, relates in particular to a kind of module backlight.
Background technology
The LCD panel mainly is to be made up of spare parts such as colored filter, module backlight, drive IC, compensate film and Polarizer, glass substrate, ITO film, alignment film, control circuits; Because liquid crystal panel itself is not had a characteristics of luminescence; Must reach the function of demonstration with module backlight; The manufacture process of LCD panel is generally: after face glass produces; Must combine colored filter earlier, both pour into liquid crystal behind the involution, again with the synthetic LCD module of component groups such as module backlight, drive IC, control circuit board.Module backlight is one of key part and component of panel of LCD, and function is well-off brightness and the light source that is evenly distributed, and makes normally show image of LCD.
Therefore; Module backlight generally is made up of framework and the optical element that is assembled on the framework, and shown in Figure 1A, framework generally is made up of metal frame 10 and glue frame 11; Figure 1B is the structural representation of metal frame 10 and glue frame 11 assembling cooperation places 12 in the existing module backlight; Wherein, the sidewall of metal frame 10 is provided with window 100, and the sidewall of glue frame 11 is provided with the bayonet socket 110 of outside protrusion.During assembling, the bayonet socket 110 of glue frame 11 embeds the window 100 of metal frame 10, makes glue frame 11 and metal frame 10 fit together, and is integrally formed.Under this fit system,, make the intensity of module backlight weaken because window 100 is set on metal frame 10; Can not protect the optical element that is assembled on the framework; Be easy to make dust etc. to get into simultaneously, and then pollute optical element, influence the yield of LCD from window.
The utility model content
The utility model proposes a kind of module backlight, can effectively strengthen the intensity of module backlight, avoids pollutant entering and pollution optical elements such as dust, improves the yield of LCD.
In order to achieve the above object; The utility model proposes a kind of module backlight; Comprise metal frame and glue frame; The top side wall of said metal frame is provided with the flanging trip that bends inwards, and the sidewall of said glue frame is provided with the fixture block that matches with said flanging trip, and said metal frame and glue frame engage said fixture block assembling cooperation through said flanging trip and be one.
Further, one side top side wall of said metal frame is provided with 2～3 flanging trips that bend inwards.
Further, said fixture block flushes with said glue frame to the surface of stretching out of said metal frame, the both sides depression.
Further, said flanging trip to said glue frame stretch out thickness and said fixture block to said metal frame to stretch out thickness identical.
Further, the fit clearance of said flanging trip and said fixture block is 0.05mm.
Further, the fit clearance of said metal frame and said glue frame is 0.05mm.
Further, the hook part of said flanging trip also has the outwards kink of bending.
Further; One side top side wall of said metal frame is provided with a flanging trip that bends inwards; Said flanging trip outwards bends through its crisperding and forms a plurality of buckles; The sidewall of said glue frame is provided with the draw-in groove that matches with said flanging trip, and the cell body of said draw-in groove is provided with the fixture block that matches with said buckle, and said metal frame and glue frame engage said fixture block, said flanging trip through said buckle and engage said pocket set assembling and be integrated.
Further, one side sidewall of said metal frame is provided with 2～3 buckles.
Further, said fixture block is the hatch frame on the cell body sidewall of said draw-in groove, and said buckle engages said fixture block through the opening on the cell body sidewall of said draw-in groove.
Further, the width of said fixture block is 2.0mm～5.0mm.
Further, the fit clearance of said buckle and said fixture block is 0.05mm.
Further, said metal frame is a chase.
Compared with prior art; The module backlight of the utility model; The flanging trip that bends inwards through the top side wall at metal frame cooperates the fixture block on the sidewall of glue frame; The assembling of glue frame and metal frame is cooperated be one, strengthened the cooperation firmness of metal frame and glue frame, improved the intensity of module backlight; Further; On the flanging trip, buckle is set; Draw-in groove and fixture block are set on the sidewall of glue frame simultaneously,, the assembling of glue frame and metal frame are cooperated be one through glue frame fixture block engaging metal frame buckle and glue frame draw-in groove engaging metal frame flanging trip; Further strengthen the cooperation firmness of metal frame and glue frame, improved the intensity of module backlight.The module backlight of the utility model has been avoided the pollution of being introduced by metal frame sidewall window in the prior art; Improved the yield of LCD; Its metal frame of while and glue frame are assembled the frame side wall outer surface smoother behind the adult, have improved the anti-twist power and the crush resistance performance of module backlight.
Description of drawings
Figure 1A and Figure 1B are depicted as the structural representation of the module backlight of prior art;
Shown in Figure 2 is the structural representation of the module backlight of the utility model embodiment one;
Fig. 3 A and 3B are depicted as the structural representation of the metal frame of the utility model embodiment one;
Fig. 4 A and 4B are depicted as the structural representation of the glue frame of the utility model embodiment one;
The generalized section of touching for the metal frame of the utility model embodiment one and the clamping of glue frame shown in Figure 5;
Shown in Figure 6 is the structural representation of the module backlight of the utility model embodiment two;
Fig. 7 A and 7B are depicted as the structural representation of the metal frame of the utility model embodiment two;
Fig. 8 A and 8B are depicted as the structural representation of the glue frame of the utility model embodiment two;
The generalized section of touching for the metal frame of the utility model embodiment two and the clamping of glue frame shown in Figure 9.
The specific embodiment
In order more to understand the technology contents of the utility model, special act specific embodiment also cooperates appended illustrating as follows.
Embodiment one
As shown in Figure 2, present embodiment proposes a kind of module backlight, comprises metal frame 20 and glue frame 21.
Shown in Fig. 3 A and 3B, the top side wall of said metal frame 20 is provided with the flanging trip 201 that bends inwards.In the present embodiment, said metal frame 20 is the rectangle chase, and long side wall top is provided with 3 flanging trips that bend inwards, and the minor face top side wall is provided with 2 flanging trips that bend inwards.
Preferably, the hook part of said flanging trip 201 also has the outwards kink of bending, effectively stretches out thickness to increase it to said glue frame 21.
Preferably, in module backlight, the optical element that is assembled on the framework that is made up of metal frame 20 and glue frame 21 is of a size of when (containing 3.5inch) below the 3.5inch, and the width of flanging trip 201 is 2.0mm～3.0mm; Be assembled in optical element on the framework that is made up of metal frame 20 and glue frame 21 and be of a size of 3.5inch when above, the width of flanging trip 201 is 3.0mm～5.0mm.
Shown in Fig. 4 A and 4B, the sidewall of said glue frame 21 is provided with the fixture block 210 that matches with said flanging trip 201.In the present embodiment, fixture block 210 flushes with said glue frame 21 to the surface of stretching out of said metal frame 20, caves in both sides, and its to said metal frame 20 stretch out thickness and said flanging trip 201 to said glue frame 21 to stretch out thickness identical.
Please refer to Fig. 2 and Fig. 5; When the module backlight of assembling present embodiment, the flanging trip 201 of the fixture block 210 engaging metal frames 20 of said glue frame 21 makes that 21 assembling cooperations are one to said metal frame 20 with the glue frame; This fit system makes the cooperation firmness of metal frame 20 and glue frame 21 be enhanced; And then having improved the intensity of module backlight, in the present embodiment, the fixture block 211 of glue frame 21 is 0.05mm with the fit clearance W of the flanging trip 201 of said metal frame 20; Said metal frame 20 is 0.05mm with the fit clearance D of said glue frame 21.
The module backlight of present embodiment; Through the flanging trip that the top side wall setting at metal frame bends inwards, the fixture block of complexed metal frame flanging trip is set, simultaneously on the sidewall of glue frame through glue frame fixture block engaging metal frame flanging trip; The assembling of glue frame and metal frame is cooperated be one; Strengthened the cooperation firmness of metal frame and glue frame, improved the intensity of module backlight, the flanging trip cooperates with fixture block simultaneously; Avoid the pollution of introducing by metal frame sidewall window in the prior art, improved the yield of LCD.Further, metal frame and glue frame are assembled the frame side wall outer surface smoother behind the adult, have improved the anti-twist power and the crush resistance performance of module backlight.
Embodiment two
As shown in Figure 6, present embodiment proposes a kind of module backlight, comprises metal frame 30 and glue frame 31.
Shown in Fig. 7 A and 7B, the sidewall of said metal frame 30 is provided with a bigger flanging trip 301 that bends inwards, and the length of flanging trip 301 accounts for more than 50% of sidewall length of metal frame 30; The crisperding of the flanging trip of present embodiment is longer relatively, forms a plurality of buckles 302 through direct outwards its crisperding edge of bending, and technology is simple relatively, and manufacturing cost is lower, and buckle 302 can increase the firmness that cooperates of metal frame 30 and said glue frame 31.In the present embodiment, said metal frame 30 is the rectangle chase, and long side wall top is provided with 1 flanging trip that bends inwards, and the flanging trip of this long side wall is provided with 3 buckles; The minor face top side wall also is provided with 1 flanging trip that bends inwards, and the flanging trip of this minor face sidewall is provided with 2 buckles.
Shown in Fig. 8 A and 8B, the sidewall of said glue frame 31 is provided with the draw-in groove 310 that matches with the flanging trip 301 of metal frame 30, and the cell body of said draw-in groove 310 is provided with the fixture block 311 that matches with said buckle 302.In the present embodiment, the hatch frame on the cell body sidewall that said fixture block 311 is said draw-in groove 310, the buckle 302 of metal frame 30 is through the said fixture block 311 of 312 engagings of the opening on the cell body sidewall of the draw-in groove 310 of said glue frame 31.
Preferably, in module backlight, the optical element that is assembled on the framework that is made up of metal frame 30 and glue frame 31 is of a size of when (containing 3.5inch) below the 3.5inch, and the width of fixture block 311 is 2.0mm～3.0mm; Be assembled in optical element on the framework that is made up of metal frame 30 and glue frame 31 and be of a size of 3.5inch when above, the width of fixture block 311 is 3.0mm～5.0mm.
Please refer to Fig. 6 and Fig. 9; When the module backlight of assembling present embodiment; Buckle 302 on flanging trip 301 inwalls of the fixture block 311 engaging metal frames 30 of glue frame 31, the flanging trip 301 of the draw-in groove 310 engaging metal frames 30 of glue frame 31 makes that 31 assembling cooperations are one to said metal frame 30 with the glue frame; This fit system makes the cooperation firmness of metal frame 30 and glue frame 31 be enhanced, and then has improved the intensity of module backlight.In the present embodiment, the fit clearance H of the buckle 302 on the fixture block 311 of glue frame 31 and the flanging trip 301 of said metal frame 30 is 0.05mm.
The module backlight of present embodiment; The flanging trip that bends inwards through top side wall setting at metal frame; And on the inwall of flanging trip, buckle is set, the draw-in groove of complexed metal frame flanging trip and the fixture block that cooperates buckle are set, through glue frame fixture block engaging metal frame buckle and glue frame draw-in groove engaging metal frame flanging trip simultaneously on the sidewall of glue frame; The assembling of glue frame and metal frame is cooperated be one; Strengthened the cooperation firmness of metal frame and glue frame, improved the intensity of module backlight, simultaneously flanging trip and draw-in groove and buckle and fixture block cooperates respectively; Avoid the pollution of introducing by metal frame sidewall window in the prior art, improved the yield of LCD.Further, metal frame and glue frame are assembled the frame side wall outer surface smoother behind the adult, have improved the anti-twist power and the crush resistance performance of module backlight.
Though the utility model discloses as above with preferred embodiment; Right its is not in order to limit the utility model; Has common knowledge the knowledgeable in the technical field under any; In spirit that does not break away from the utility model and scope, when can doing a little change and retouching, so the protection domain of the utility model is as the criterion when looking claims person of defining.
Claims (11)
1. module backlight; Comprise metal frame and glue frame; It is characterized in that; The top side wall of said metal frame is provided with the flanging trip that bends inwards, and the sidewall of said glue frame is provided with the fixture block that matches with said flanging trip, and said metal frame and glue frame engage said fixture block assembling cooperation through said flanging trip and be one.
2. module backlight as claimed in claim 1 is characterized in that, one side top side wall of said metal frame is provided with 2～3 flanging trips that bend inwards.
3. module backlight as claimed in claim 1 is characterized in that, said fixture block flushes with said glue frame to the surface of stretching out of said metal frame, the both sides depression.
4. module backlight as claimed in claim 3 is characterized in that, said flanging trip to said glue frame stretch out thickness and said fixture block to said metal frame to stretch out thickness identical.
5. module backlight as claimed in claim 4 is characterized in that, the fit clearance of said flanging trip and said fixture block is 0.05mm.
6. module backlight as claimed in claim 1; It is characterized in that; One side top side wall of said metal frame is provided with a flanging trip that bends inwards; Said flanging trip outwards bends through its crisperding and forms a plurality of buckles; The sidewall of said glue frame is provided with the draw-in groove that matches with said flanging trip, and the cell body of said draw-in groove is provided with the fixture block that matches with said buckle, and said metal frame and glue frame engage said fixture block, said flanging trip through said buckle and engage said pocket set assembling and be integrated.
7. module backlight as claimed in claim 6 is characterized in that, said fixture block is the hatch frame on the cell body sidewall of said draw-in groove, and said buckle engages said fixture block through the opening on the cell body sidewall of said draw-in groove.
8. module backlight as claimed in claim 6 is characterized in that, one side sidewall of said metal frame is provided with 2～3 buckles.
9. module backlight as claimed in claim 6 is characterized in that, the fit clearance of said buckle and said fixture block is 0.05mm.
10. like each described module backlight in the claim 1 to 9, it is characterized in that the width of said fixture block is 2.0mm～5.0mm.
11., it is characterized in that the fit clearance of said metal frame and said glue frame is 0.05mm like each described module backlight in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205458060U CN202371588U (en) | 2011-12-22 | 2011-12-22 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205458060U CN202371588U (en) | 2011-12-22 | 2011-12-22 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371588U true CN202371588U (en) | 2012-08-08 |
Family
ID=46595288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205458060U Expired - Lifetime CN202371588U (en) | 2011-12-22 | 2011-12-22 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202371588U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014056263A1 (en) * | 2012-10-12 | 2014-04-17 | 深圳市华星光电技术有限公司 | Backlight module |
| US8905620B2 (en) | 2012-10-12 | 2014-12-09 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight module |
| CN108710239A (en) * | 2018-05-23 | 2018-10-26 | 深圳同兴达科技股份有限公司 | A kind of backlight module |
-
2011
- 2011-12-22 CN CN2011205458060U patent/CN202371588U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014056263A1 (en) * | 2012-10-12 | 2014-04-17 | 深圳市华星光电技术有限公司 | Backlight module |
| US8905620B2 (en) | 2012-10-12 | 2014-12-09 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight module |
| CN108710239A (en) * | 2018-05-23 | 2018-10-26 | 深圳同兴达科技股份有限公司 | A kind of backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
|
| CX01 | Expiry of patent term |