CN103791320B - A kind of LED-backlit module - Google Patents
A kind of LED-backlit module Download PDFInfo
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- CN103791320B CN103791320B CN201310377524.8A CN201310377524A CN103791320B CN 103791320 B CN103791320 B CN 103791320B CN 201310377524 A CN201310377524 A CN 201310377524A CN 103791320 B CN103791320 B CN 103791320B
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- led
- backboard
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Abstract
The invention provides a kind of LED-backlit module, comprise combination front frame together and backboard and the some optical device between front frame and backboard, described front frame is provided with one first draw-in groove and at least one buckle in a side relative with backboard, described buckle is provided with the connecting portion having flexible second fixed part, holding section and connect the second fixed part and holding section, described second fixed part is fixed on former frame, and described holding section is provided with the second draw-in groove; Described backboard is provided with the first fixture block matched with described first draw-in groove and the second fixture block matched with described second draw-in groove.The front frame of LED-backlit module of the present invention only needs fixed by snap connection with backboard, connect without screw, without the front frame of bending structure, the design of narrower frame can be reached, and minimizing production process, reduce manufacturing cost, and the buckle on front frame has the elastically-deformable structure of generation, can ensure that front frame and backboard are dismantled repeatedly.
Description
Technical field
The present invention relates to a kind of narrow frame LED-backlit module.
Background technology
Liquid crystal indicator has the features such as quality is light, thickness is little, low in energy consumption, radiation is little, has been widely used in infotech, the various fields such as multimedia technology, has become the main flow of various display device.Because liquid crystal panel itself is not luminous, extra light source is needed to provide light source for it, so just create backlight source of liquid crystal display apparatus.Generally speaking, backlight source module light source mainly contains cathode fluorescent tube (CCFL) and light emitting diode (LED) two kinds of light-emitting modes.Cathode fluorescent tube contains hazardous substance mercury, and for a kind of beyond doubt injury of environmental protection, and the cathode fluorescent tube life-span is short, directly affects the serviceable life of liquid crystal indicator.Light emitting diode has pollution-free, long-life, vibration resistance, shock resistance and free of contamination feature, thus now the LED that adopts more as the light-emitting mode of backlight.
Be illustrated in figure 1 the structural representation of side entering-type LED backlight module, LED-backlit module 10 comprises: front frame 11, blooming piece 12, light guide plate 13, reflector plate 14, backboard 15 and LED lamp bar 16; Wherein on the LED lamp bar 16 long limit that is positioned at LED-backlit module or minor face, LED lamp bar 16 is connected on the long limit of backboard 15, by the light source that LED lamp bar 16 sends, and then provides the light source needed for liquid crystal panel.
As shown in Figures 2 to 4 for front frame and composition of backboards schematic diagram (before shown in Fig. 2 to Fig. 3 shown in frame and backboard and Fig. 1 before frame and backboard structurally there is difference, because Fig. 1 is only used to the structural representation of signal LED-backlit module), the side of front frame 11 is provided with some first perforates 111, backboard 15 side is provided with second perforate 151 corresponding with the first perforate 111, by screw 20, second perforate 151 is fixedly connected with the first perforate 111, and the first perforate 111 position of former frame 11 needs to be set to wider frame to block screw 20.By screw 20, front frame 11 is fixed together with backboard 15, and then LED-backlit module is connected.
Although side entering-type LED backlight module pursues the design of narrower frame, but along with backboard and the shaping of front frame cannot reach narrower thickness, effective connection degree of depth of screw cannot reach shorter distance, the spacing of LED and light guide plate cannot shorten to less gap, and this makes the module design of narrower frame more and more difficult on manufacture technics.If pursue narrow border structure simply, and ensure good optical characteristics, then the cost of backlight module can improve.Therefore the design of low cost extremely narrow frame is again the quite urgent and subject under discussion of necessity of research and development performance history.
Summary of the invention
The object of the present invention is to provide a kind ofly to connect without screw, without bending structure front frame, the design of narrower frame can be reached, and reduce production process, the LED-backlit module of reduction manufacturing cost.
The invention provides a kind of LED-backlit module, comprise combination front frame together and backboard and the some optical device between front frame and backboard, described front frame is provided with one first draw-in groove and at least one buckle in a side relative with backboard, described buckle is provided with the connecting portion having flexible second fixed part, holding section and connect the second fixed part and holding section, described second fixed part is fixed on former frame, and described holding section is provided with the second draw-in groove; Described backboard is provided with the first fixture block matched with described first draw-in groove and the second fixture block matched with described second draw-in groove.
Wherein, described first draw-in groove is provided with the first fixed part on fixing former frame, the horizontal part vertical with the first fixed part.
Wherein, described first fixed part, horizontal part and front frame three enclose one first accommodation space, and described first fixture block is held in the first accommodation space.
Wherein, described buckle is made up of plastic cement material.
Wherein, described second fixed part in the shape of a spiral.
Wherein, described second fixed part is provided with aperture portion and is positioned at the curved portions outside aperture portion, and described aperture portion is provided with perforate, and buckle is fixed on former frame through the perforate of aperture portion by a screw or fixed leg.
Wherein, described second draw-in groove is provided with and is vertically fixed on vertical component effect on holding section and the parallel portion vertical with vertical component effect.
Wherein, vertical component effect, enclose one second accommodation space between described parallel portion and holding section three, described second fixture block is held in the second accommodation space.
Wherein, described buckle is provided with two.
Wherein, optical device comprises blooming piece, light guide plate, reflector plate and LED lamp bar.
The front frame of LED-backlit module of the present invention only needs fixed by snap connection with backboard, connect without screw, without the front frame of bending structure, the design of narrower frame can be reached, and minimizing production process, reduce manufacturing cost, and the buckle on front frame has the elastically-deformable structure of generation, can ensure that front frame and backboard are dismantled repeatedly.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of existing side entering-type LED backlight module;
Fig. 2 is the structural representation before the front frame of existing LED-backlit module and composition of backboards;
Fig. 3 is the partial enlarged drawing shown in Fig. 2;
Fig. 4 is the partial sectional view of front frame together with composition of backboards described in Fig. 2;
Fig. 5 is the structural representation of frame before the present invention;
Fig. 6 is the structural representation of front another angle of frame shown in Fig. 5;
Fig. 7 is the buckle perspective view of front frame shown in Fig. 5;
Fig. 8 is the vertical view of buckle shown in Fig. 7;
The schematic diagram that Fig. 9 combines for buckle shown in Fig. 7 and front frame;
Figure 10 is the structural representation of backboard of the present invention;
Figure 11 is the schematic diagram of frame and composition of backboards before the present invention;
Figure 12 is the schematic diagram that before the present invention, frame and backboard depart from.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
The present invention discloses a kind of LED-backlit module, LED-backlit module comprises by frame 100 and backboard 200 and the some optical device between front frame 100 and backboard 200 before the combination together of buckle snap fit, optical device comprises blooming piece, light guide plate, reflector plate and LED lamp bar, fixed by buckle snap fit between the front frame 100 of LED-backlit module and backboard 200, fix without the need to screw, and front frame of the present invention is without the need to bending.
Fig. 5 is to the structural representation that Figure 9 shows that frame before the present invention, front frame 100 comprises relative upper surface 101 and lower surface 102, wherein, lower surface 102 and backboard 200 secure fit, the lower surface 102 of described front frame 100 is provided with four sides, wherein two dual-sides are relative, these four sides are sequentially first side 103, second side 104, the 3rd side 105 and four side 106, described second side 104 is provided with the first draw-in groove 107, described four side is provided with buckle 108, wherein, the position residing for the first draw-in groove 107 is near the 3rd side 105.
Described first draw-in groove 107 is in vertical configuration, it comprise be fixed on front frame 100 second side 104 on the first fixed part 1071 and the horizontal part 1072 vertical with the first fixed part 1071, first draw-in groove 107 can be one-body molded with front frame 100, and the first draw-in groove 107 also can be by bonding method or screw fixed form former frame 100.
First fixed part 1071 of the first draw-in groove 107, horizontal part 1072 and front frame 100 three enclose one first accommodation space 400.
Buckle 108 adopts that plastic cement material is one-body molded to be made, and it comprises: spiral helicine second fixed part 1081, with the holding section 1082 of the second fixed part 1081 one and the connecting portion 1083 being connected the second fixed part 1081 and holding section 1082.
Due to described second fixed part 1081 in the shape of a spiral, it has elasticity, its inside is provided with the aperture portion 10811 with perforate and the curved portions 10812 be positioned at outside aperture portion 10811, perforate is provided with in the middle of described aperture portion 10811, by the perforate through aperture portion 10811 such as screw or fixed leg 300, buckle 108 is fixed on former frame 100.
Due to fixing buckle 108 former frame 100 being aperture portion 10811 and curved portions 10812, making the second fixed part 1081 of buckle 108 have elasticity, can elastic deformation be produced.
The holding section 1082 of described buckle 108 is provided with the second draw-in groove 10821, described second draw-in groove 10821 is provided with and is vertically fixed on vertical component effect 108211 on holding section 1082 and the parallel portion 108212 vertical with vertical component effect 108211, vertical component effect 108211, described parallel portion 108212 and, enclose one second accommodation space 500 between the three of holding section 1082.
Figure 10 shows that the structural representation of backboard of the present invention, the dual-side of backboard 200 is provided with the first fixture block 201 and the second fixture block 202, and the side arranging first, second fixture block is the side that backboard 200 is relative with front frame 100.
Figure 11 is the structural representation that before the present invention, frame is connected with backboard, and when current frame 100 combines with backboard 200, the first fixture block 201 clasp of backboard 200 is in the first accommodation space 400 of the first draw-in groove 107; Second fixed part 1081 of buckle 108 in the shape of a spiral, its screw or fixed leg 300 are fixed on former frame 100, by can elastic deformation be there is, buckle 108 is under the promotion of external force, there is elastic deformation in the second fixed part 1081, thus the holding section 1082 of buckle 108 and backboard 200 Relative sliding, the second fixture block 202 clasp of backboard 200, in the second accommodation space 500 of buckle 108, realizes the connection of front frame 100 and backboard 200.
Figure 12 is the structural representation that before the present invention, frame and backboard depart from, when external force F promotes the holding section 1082 of buckle 108, there is elastic deformation in the second fixed part 1081 of buckle 108, second fixture block 202 of backboard 200 departs from the second accommodation space 500 of buckle 108, thus front frame 100 departs from backboard 200, realizing this LED-backlit module can dismantle repeatedly.
LED-backlit module of the present invention, the buckle of front frame design also can design two or more, determined according to LED-backlit module size, and the structure of the second fixed part of buckle is not limited to spiral fashion, as long as elastic deformation can occur and the second fixed part in former frame can be fixed, all belong to protection scope of the present invention; And the fixed form of the first fixture block of the first draw-in groove of front frame and backboard, also can adopt simple reference column fixed form, anyway as long as by front frame and backboard angle securing, also all belong to protection scope of the present invention.
The front frame of LED-backlit module of the present invention only needs fixed by snap connection with backboard, connects, without the front frame of bending structure, can reach the design of narrower frame without screw, and reduces production process, reduces manufacturing cost.
Claims (8)
1. a LED-backlit module, comprise combination front frame together and backboard and the some optical device between front frame and backboard, it is characterized in that: described front frame is provided with one first draw-in groove and at least one buckle in a side relative with backboard, described buckle is provided with the connecting portion having flexible second fixed part, holding section and connect the second fixed part and holding section, described second fixed part is fixed on former frame, and described holding section is provided with the second draw-in groove; Described backboard is provided with the first fixture block matched with described first draw-in groove and the second fixture block matched with described second draw-in groove; Described first draw-in groove is provided with the first fixed part on fixing former frame, the horizontal part vertical with the first fixed part, described second fixed part is provided with aperture portion and is positioned at the curved portions outside aperture portion, described aperture portion is provided with perforate, and buckle is fixed on former frame through the perforate of aperture portion by a screw or fixed leg.
2. LED-backlit module according to claim 1, is characterized in that: described first fixed part, horizontal part and front frame three enclose one first accommodation space, and described first fixture block is held in the first accommodation space.
3. LED-backlit module according to claim 1, is characterized in that: described buckle is made up of plastic cement material.
4. LED-backlit module according to claim 1, is characterized in that: described second fixed part in the shape of a spiral.
5. LED-backlit module according to claim 1, is characterized in that: described second draw-in groove is provided with and is vertically fixed on vertical component effect on holding section and the parallel portion vertical with vertical component effect.
6. LED-backlit module according to claim 5, is characterized in that: vertical component effect, enclose one second accommodation space between described parallel portion and holding section three, and described second fixture block is held in the second accommodation space.
7. LED-backlit module according to claim 1, is characterized in that: described buckle is provided with two.
8. LED-backlit module according to claim 1, is characterized in that: optical device comprises blooming piece, light guide plate, reflector plate and LED lamp bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310377524.8A CN103791320B (en) | 2013-08-26 | 2013-08-26 | A kind of LED-backlit module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310377524.8A CN103791320B (en) | 2013-08-26 | 2013-08-26 | A kind of LED-backlit module |
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| Publication Number | Publication Date |
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| CN103791320A CN103791320A (en) | 2014-05-14 |
| CN103791320B true CN103791320B (en) | 2016-01-20 |
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| CN201310377524.8A Active CN103791320B (en) | 2013-08-26 | 2013-08-26 | A kind of LED-backlit module |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037620B (en) * | 2018-01-31 | 2023-09-01 | Oppo广东移动通信有限公司 | Backlight module, electronic device and mounting method of backlight module |
| CN108254971B (en) * | 2018-01-31 | 2020-09-04 | Oppo广东移动通信有限公司 | Backlight module, electronic device and installation method of backlight module |
| CN108254972B (en) * | 2018-01-31 | 2020-07-03 | Oppo广东移动通信有限公司 | Backlight module, electronic device and installation method of backlight module |
| CN114114757A (en) * | 2021-12-13 | 2022-03-01 | 中航华东光电有限公司 | Large-size liquid crystal display module framework and assembling method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561101A (en) * | 2009-05-12 | 2009-10-21 | 友达光电股份有限公司 | Backlight module |
| CN102865523A (en) * | 2012-10-12 | 2013-01-09 | 深圳市华星光电技术有限公司 | Backlight module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60314241T2 (en) * | 2002-03-28 | 2008-02-07 | Sanyo Electric Co., Ltd., Moriguchi | LIQUID CRYSTAL DISPLAY DEVICE |
| KR100840715B1 (en) * | 2002-05-28 | 2008-06-23 | 삼성전자주식회사 | Back light assembly and liquid crystal display having the same |
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- 2013-08-26 CN CN201310377524.8A patent/CN103791320B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561101A (en) * | 2009-05-12 | 2009-10-21 | 友达光电股份有限公司 | Backlight module |
| CN102865523A (en) * | 2012-10-12 | 2013-01-09 | 深圳市华星光电技术有限公司 | Backlight module |
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| CN103791320A (en) | 2014-05-14 |
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