CN101545601A - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN101545601A CN101545601A CN200910133687A CN200910133687A CN101545601A CN 101545601 A CN101545601 A CN 101545601A CN 200910133687 A CN200910133687 A CN 200910133687A CN 200910133687 A CN200910133687 A CN 200910133687A CN 101545601 A CN101545601 A CN 101545601A
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- Prior art keywords
- blooming piece
- groove
- module backlight
- claw
- frame
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Abstract
The invention provides a backlight module comprising margin frame and optical diaphragm mounted in the margin frame. At least one inner side edge of margin frame has a groove which is provided with a convexity at bottom surface; outer rim of optical diaphragm is opposite to groove accommodating a lug which possesses a through-hole for convexly passing; Inner side edge of margin frame is provided with a claw extending toward projection at side wall adjacent to the groove for preventing the optical diaphragm moving vertically plane of margin frame. The backlight module of the invention can not only avoid slippage of optical diaphragm at horizontal direction, but avoid loosening of optical diaphragm at vertical direction, thereby maintains precision positioning of optical diaphragm.
Description
Technical field
The present invention relates to the Display Technique field, particularly a kind of module backlight.
Background technology
At present, module backlight has been widely used in the electronic products such as LCD TV, notebook computer, digital camera.
Module backlight generally comprises frame, and the blooming piece that is fixed on LGP, reflector plate, the lamp source in the frame and is positioned on the LGP, is made up of the number layer films.Wherein, blooming piece can comprise down diffusion sheet, prismatic lens and go up multiple film such as diffusion sheet, can select suitable film to form blooming piece according to the function that above-mentioned film provided and the needs of module backlight in the reality.
Because blooming piece is the film of being made by plastic material, and very thin thickness, therefore must utilize fixture to be fixed in the top of LGP, displacement takes place or comes off in blooming piece in the process of carrying or assembling to avoid, and reduces module backlight need be readjusted blooming piece when assembling time.
For fear of the displacement of blooming piece, prior art has proposed a kind of project organization of module backlight, and as shown in Figure 1, this module backlight comprises frame 101 and is installed in blooming piece 102 in the frame 101.One inner side edge of frame 101 is provided with a draw-in groove 103, and draw-in groove 103 is provided with towards the opening of blooming piece 102, and blooming piece 102 outward flanges have the lug 104 of outside protrusion in the corresponding position with draw-in groove 103.When blooming piece 102 was installed in the frame 101, lug 104 can insert in the opening of draw-in groove 103, with the displacement of restriction blooming piece 102, thus blooming piece 102 is fixing.Yet the shortcoming of this fixed form is: because blooming piece 102 is very thin, be easy to skid off from draw-in groove 103 in the horizontal direction shown in arrow among Fig. 1.
For this reason, prior art has proposed the project organization of another kind of module backlight again, as shown in Figure 2, one inner side edge of frame 201 has groove 203, blooming piece 202 outward flanges have the lug 204 of outside protrusion in the position corresponding with draw-in groove 203, groove 203 inside have a columnar projections 205, and lug 204 has a through hole 206 with columnar projections 205 corresponding positions, and columnar projections 205 can be contained in the through hole 206.When blooming piece 202 was installed in the frame 201, lug 204 can be contained in the groove 203, and columnar projections 205 passes through hole 206, thereby limited blooming piece 202 displacement in the horizontal direction.Yet the shortcoming of this fixed form is: the motion of blooming piece 202 on the vertical direction shown in arrow among Fig. 2 is unrestricted, and under situation about being given a shock, a uppermost diaphragm is very easy to loosening and landing.
In summary it can be seen that the fixed form of existing two kinds of blooming pieces all can not be avoided the slippage of blooming piece on LGP or loosening, thereby causes the display frame quality bad, as defectives such as light leak, ripples line, brightness irregularities.
Summary of the invention
In order to address the above problem, the invention provides a kind of module backlight, blooming piece slippage in the horizontal direction not only can be avoided, and the loosening of blooming piece in the vertical direction can be avoided, thus the accurate location of keeping blooming piece.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of module backlight, comprise frame and be installed in the interior blooming piece of frame: at least one inner side edge of frame has groove, and the bottom surface of groove has projection;
Blooming piece has the lug that can be contained in the groove corresponding to groove, and this lug also has a through hole that can supply projection to pass;
At least one side-walls of frame adjacent recess also is provided with the claw that extends towards protrusion direction, and this claw can stop blooming piece certainly perpendicular to moving on the direction on plane, frame place.
Module backlight of the present invention, the claw of blooming piece is extended and can hold at least one sidewall setting of the groove by having columnar projections in the frame vicinity towards columnar projections, not only can avoid blooming piece slippage in the horizontal direction, and can avoid the loosening of blooming piece in the vertical direction, thereby the accurate location of keeping blooming piece.
Description of drawings
Fig. 1 is the partial structurtes schematic diagram of a kind of module backlight of the prior art.
Fig. 2 is the partial structurtes schematic diagram of another kind of the prior art module backlight.
Fig. 3 is the partial structurtes schematic diagram of the module backlight of the embodiment of the invention one.
Fig. 4 is the partial structurtes schematic diagram of the module backlight of the embodiment of the invention two.
Fig. 5 is the partial structurtes schematic diagram of the module backlight of the embodiment of the invention three.
The specific embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
Embodiment one
As shown in Figure 3, with in the plane, frame 301 place, the bearing of trend of inner side edge 301a is called the x direction, with in the plane, frame 301 place, be called the y direction perpendicular to the direction of inner side edge 301a bearing of trend, will be called the z direction perpendicular to the direction on plane, frame 301 place, repeat no more later on.
Fig. 3 is the partial structurtes schematic diagram of the module backlight of the embodiment of the invention one.As shown in Figure 3, module backlight of the present invention comprises frame 301 and the blooming piece 302 that is installed in the frame 301, one inner side edge 301a of frame 301, be that a side place of the side adjacent optical diaphragm 302 of frame 301 has a groove 303, and the bottom surface of groove 303 have a columnar projections 305.
The outer edge of blooming piece 302 and groove 303 corresponding positions have the lug 304 of outside protrusion, lug 304 can be contained in the groove 303, and, but lug 304 has and can pass the also through hole 306 of interference engagement for columnar projections 305 with columnar projections 305 corresponding positions.When blooming piece 302 is installed in the frame 301, lug 304 can be contained in the groove 303, and columnar projections 305 is passed through hole 306, the height of columnar projections 305 should be more than or equal to the thickness of blooming piece 302, thereby limit the motion of blooming piece 302 on the horizontal direction that is parallel to plane, frame 301 place, avoid blooming piece 302 in the horizontal direction slippage and come off.In addition, cooperating of lug 304 and groove 303 and cooperating of columnar projections 305 and through hole 306 can make blooming piece 302 accurate positionings, fast, thereby reduce module backlight need be readjusted blooming piece when assembling time.
The structure of claw 307a, 307b is not limited to extend along the direction parallel with the bottom surface of groove 303, claw 307a, 307b also can adopt other structures, equal the thickness of blooming piece 302 to the distance of groove 303 bottom surfaces as long as guarantee the extreme lower position of claw 307a, 307b.In addition, in order to ensure the confining force of claw 307a, 307b, prevent its sidewall top end fracture from groove 303, claw 307a, 307b can extend towards columnar projections 305 respectively along the two side top end on the x direction from inner side edge 301a adjacent recess 303.
When being installed in blooming piece 302 in the frame 301, can utilize the softer characteristic of blooming piece quality, snap in the below of claw 307a, 307b after making lug 304 slightly deformed, thereby lug 304 is contained in the groove 303, and columnar projections 305 is passed through hole 306.At this moment, claw 307a, 307b are stuck in the upper surface of the lug 304 of blooming piece 302, thereby can limit blooming piece 302 along moving on the z direction, avoid the loosening of blooming piece 302.
There is the space between the free end of claw 307a, 307b and the columnar projections 305, the free end of claw 307a, 307b arrives the thickness of the distance of columnar projections 305 more than or equal to blooming piece 302, thereby, when assembling blooming piece 302 need make lug 304 slightly deformed, can guarantee that the lug 304 of blooming piece 302 can be inserted in the groove 303 by the space.And this space can make the distortion of lug 304 be more prone to, and the both sides of lug 304 can snap in the below of two claw 307a, 307b after distortion.The space is big more, and then the distortion meeting of lug 304 is easy more, and lug 304 is easy more to be snapped in the groove 303.
By cooperating of the through hole 306 on the columnar projections in groove 303 305 and the lug 304, and the mating reaction of claw 307a, 307b and groove, not only can stop blooming piece slippage in the horizontal direction, and can avoid the loosening of blooming piece in the vertical direction, thereby keep the accurate location of blooming piece on module backlight.
Embodiment two
Fig. 4 is the partial structurtes schematic diagram of the module backlight of the embodiment of the invention two.As shown in Figure 4, the structure of the module backlight of present embodiment is identical with embodiment one substantially, different is, the frame 401 of the module backlight of embodiment two only is provided with the claw 407 that extends towards columnar projections 405 at adjacent recess 403 along the sidewall top end 403a of (promptly along frame 401 inner side edge 401a bearing of trend) on the x direction.
When being installed in blooming piece 402 in the frame 401, the below that claw 407 can be inserted in the low back of one side pressure of lug 404 contiguous claws 407, make columnar projections 405 pass through hole 406 then, again blooming piece 402 is lain in a horizontal plane in the frame 401, can finish the assembling of blooming piece 402.
At this moment, lug 404 is contained in the groove 403, and columnar projections 405 passes through hole 406, and claw 407 is stuck in the upper surface of lug 404, thereby can limit blooming piece 402 along moving on x, y, the z direction, avoids the loosening of blooming piece 402.
The module backlight of present embodiment only is provided with claw 407 at a side 403a place of groove 403, can when assembling blooming piece 402, omit the process that makes lug 404 slightly deformed, installation can be finished in the below that only needs obliquely lug 404 to be inserted claw 407, its installation process is more prone to operation, and can avoid repeatedly being out of shape the damage of the blooming piece 402 that causes.
Embodiment three
Fig. 5 is the partial structurtes schematic diagram of the module backlight of the embodiment of the invention three.As shown in Figure 5, the structure of the module backlight of present embodiment is identical with embodiment one and two substantially, different is, groove 503 perpendicular to inner side edge 501a bearing of trend, be that a side 503c adjacent recess 503 places on the y direction are provided with a claw 507 that extends towards columnar projections 505.
Similarly, on the y direction, there is the space between the free end of claw 507 and the columnar projections 505, and the free end of claw 507 should can be inserted in the groove 503 by the space with the lug 504 that guarantees blooming piece 502 more than or equal to the thickness of blooming piece 502 to the distance of columnar projections 505.
Identical with embodiment two, when being installed in blooming piece 502 in the frame 501, the below that claw 507 can be inserted in the low back of one side pressure of lug 504 contiguous claws 507, make columnar projections 505 pass through hole 506 then, again blooming piece 502 is lain in a horizontal plane in the frame 501, can finish the assembling of blooming piece 502.
At this moment, lug 504 is contained in the groove 503, and columnar projections 505 passes through hole 506, and claw 507 is stuck in the upper surface of lug 504, thereby can limit blooming piece 502 along moving on x, y, the z direction, avoids the loosening of blooming piece 502.
Present embodiment also can omit the process that makes lug 504 slightly deformed when assembling blooming piece 502, its installation process is more prone to operation, and can avoid repeatedly being out of shape the damage of the blooming piece 502 that causes.
More than three embodiment and diagram thereof an inner side edge only being illustrated in frame the situation of groove is set, but module backlight of the present invention is not limited in this.Module backlight of the present invention can be provided with groove at any two inner side edges of its frame or any three or all inner side edges, and correspondingly, blooming piece is provided with lug corresponding to the position of groove, to increase the accuracy of blooming piece location.
In addition, in above three embodiment, projection is columnar projections, but module backlight of the present invention is not limited in this, projection can have any shape, as long as can realize move on the y direction spacing of blooming piece and can pass through hole on the lug.
The above, it is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong to the scope of technical solution of the present invention according to technical spirit of the present invention.
Claims (10)
1, a kind of module backlight comprises frame and is installed in the interior blooming piece of frame:
At least one inner side edge of frame has groove, and the bottom surface of groove has projection;
Blooming piece has the lug that can be contained in the groove corresponding to groove, and this lug also has a through hole that can supply projection to pass;
It is characterized in that:
At least one side-walls of frame adjacent recess also is provided with the claw that extends towards protrusion direction, and this claw can stop blooming piece certainly perpendicular to moving on the direction on plane, frame place.
2, module backlight as claimed in claim 1 is characterized in that, claw extends from adjacent recess and along the top, two side of inner side edge bearing of trend.
3, module backlight as claimed in claim 1 is characterized in that, claw extends from adjacent recess and along a sidewall top of inner side edge bearing of trend.
4, module backlight as claimed in claim 1 is characterized in that, claw extends from adjacent recess and along the sidewall perpendicular to the inner side edge bearing of trend.
5, as each described module backlight of claim 1 to 4, it is characterized in that, have the space between the free end of claw and the projection.
6, module backlight as claimed in claim 5 is characterized in that, the free end of claw is to the thickness of protruding distance more than or equal to blooming piece.
7, as each described module backlight of claim 1 to 4, it is characterized in that the extreme lower position of claw is a bit larger tham or equals the thickness of blooming piece to the distance of groove floor.
8, module backlight as claimed in claim 7 is characterized in that, claw extends along the bottom surface direction that is parallel to groove.
As each described module backlight of claim 1 to 4, it is characterized in that 9, the height of projection is more than or equal to the thickness of blooming piece.
10, as each described module backlight of claim 1 to 4, it is characterized in that projection is positioned at the center of groove floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910133687A CN101545601A (en) | 2009-04-22 | 2009-04-22 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910133687A CN101545601A (en) | 2009-04-22 | 2009-04-22 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101545601A true CN101545601A (en) | 2009-09-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910133687A Pending CN101545601A (en) | 2009-04-22 | 2009-04-22 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101545601A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661558A (en) * | 2012-06-01 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module |
| CN102829443A (en) * | 2012-09-18 | 2012-12-19 | 深圳市华星光电技术有限公司 | Positioning device for optical membrane set, backlight module and liquid crystal display |
| CN101749600B (en) * | 2010-01-06 | 2013-03-06 | 友达光电股份有限公司 | Backlight module with platy optical element locating effect and display device and display device |
| CN103090278A (en) * | 2013-01-31 | 2013-05-08 | 青岛海信电器股份有限公司 | Backlight module and television with backlight module and display device with backlight module |
| US8462291B2 (en) | 2009-12-18 | 2013-06-11 | Au Optronics Corporation | Backlight module with film positioning function and display device using the same |
| WO2013131288A1 (en) * | 2012-03-07 | 2013-09-12 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device using backlight module |
| CN103558707A (en) * | 2013-11-12 | 2014-02-05 | 京东方科技集团股份有限公司 | Liquid-crystal module and displaying equipment |
| TWI494645B (en) * | 2012-12-21 | 2015-08-01 | Au Optronics Corp | Backlight module and plastic frame structure thereof |
| US9104067B2 (en) | 2012-03-07 | 2015-08-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and LCD device comprising backlight module |
| CN106681053A (en) * | 2017-01-03 | 2017-05-17 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
| CN108153051A (en) * | 2018-01-02 | 2018-06-12 | 京东方科技集团股份有限公司 | Backlight and display device |
| CN112578590A (en) * | 2019-09-29 | 2021-03-30 | 京东方科技集团股份有限公司 | Backlight module and display device |
| TWI732589B (en) * | 2020-06-09 | 2021-07-01 | 友達光電股份有限公司 | Display device |
-
2009
- 2009-04-22 CN CN200910133687A patent/CN101545601A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8462291B2 (en) | 2009-12-18 | 2013-06-11 | Au Optronics Corporation | Backlight module with film positioning function and display device using the same |
| CN101749600B (en) * | 2010-01-06 | 2013-03-06 | 友达光电股份有限公司 | Backlight module with platy optical element locating effect and display device and display device |
| US9104067B2 (en) | 2012-03-07 | 2015-08-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and LCD device comprising backlight module |
| WO2013131288A1 (en) * | 2012-03-07 | 2013-09-12 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device using backlight module |
| CN102661558B (en) * | 2012-06-01 | 2015-02-18 | 深圳市华星光电技术有限公司 | Backlight module |
| CN102661558A (en) * | 2012-06-01 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module |
| WO2014043944A1 (en) * | 2012-09-18 | 2014-03-27 | 深圳市华星光电技术有限公司 | Positioning device for optical membrane group, backlight module and liquid crystal display using same |
| CN102829443A (en) * | 2012-09-18 | 2012-12-19 | 深圳市华星光电技术有限公司 | Positioning device for optical membrane set, backlight module and liquid crystal display |
| TWI494645B (en) * | 2012-12-21 | 2015-08-01 | Au Optronics Corp | Backlight module and plastic frame structure thereof |
| CN103090278A (en) * | 2013-01-31 | 2013-05-08 | 青岛海信电器股份有限公司 | Backlight module and television with backlight module and display device with backlight module |
| CN103558707A (en) * | 2013-11-12 | 2014-02-05 | 京东方科技集团股份有限公司 | Liquid-crystal module and displaying equipment |
| US9500892B2 (en) | 2013-11-12 | 2016-11-22 | Boe Technology Group Co., Ltd. | Liquid crystal module and display device |
| CN106681053A (en) * | 2017-01-03 | 2017-05-17 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
| CN108153051A (en) * | 2018-01-02 | 2018-06-12 | 京东方科技集团股份有限公司 | Backlight and display device |
| CN112578590A (en) * | 2019-09-29 | 2021-03-30 | 京东方科技集团股份有限公司 | Backlight module and display device |
| US11372152B2 (en) | 2019-09-29 | 2022-06-28 | Hefei Boe Vision-Electronic Technology Co., Ltd. | Backlight module and display device |
| TWI732589B (en) * | 2020-06-09 | 2021-07-01 | 友達光電股份有限公司 | Display device |
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Open date: 20090930 |