CN201636705U - Backlight module and liquid crystal display module - Google Patents
Backlight module and liquid crystal display module Download PDFInfo
- Publication number
- CN201636705U CN201636705U CN2010201856628U CN201020185662U CN201636705U CN 201636705 U CN201636705 U CN 201636705U CN 2010201856628 U CN2010201856628 U CN 2010201856628U CN 201020185662 U CN201020185662 U CN 201020185662U CN 201636705 U CN201636705 U CN 201636705U
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- upper frame
- lgp
- backboard
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Abstract
The utility model discloses a backlight module and a liquid crystal display module. In the backlight module, a back plate consists of a bottom plate, three first side plates and a second side plate; the three first side plates and the second side plate are arranged at the periphery of the bottom plate; the first side plates are respectively bent towards a light-guiding plate and provided with U-shaped folding edges; and the second side plate is bent by deviating from the light-guiding plate. By bending one side plate of the back plate downwards, a driving circuit of a liquid crystal display panel is arranged at the side surface of the backlight module so as to reduce the width of the frame of the liquid crystal display module; and by being matched with the U-shaped folding edge structures of the other three side plates of the back plate, the strength of an aluminium back plate is enhanced, and the occurrence of bending and deformation of the backing plate is avoided.
Description
Technical field
The utility model relates to lcd technology, relates in particular to a kind of module backlight and liquid crystal display module.
Background technology
LCD is a flat-panel monitor commonly used at present, and wherein Thin Film Transistor-LCD (ThinFilm Transistor Liquid Crystal Display is called for short TFT-LCD) is the main product in the LCD.The liquid crystal display module is as the important component part of LCD, and its thickness has crucial effects to the integral thickness of LCD.
Liquid crystal in the panel of LCD itself is not had a characteristics of luminescence, is to realize Presentation Function, needs to give the LCD panel that one module backlight is provided.The module backlight that existing size is big slightly all is as light source with cold-cathode fluorescence lamp (CCFL).CCFL has the high advantage of light efficiency, but the colour gamut of its covering has only about 70% of colourcast standard that National Television System Committee (NTSC) formulates, causes liquid crystal display color deficiency.The colour gamut of light emitting diode (LED) light source has reached 105% of NTSC standard, has solved the problem of LCD color deficiency, and because its package dimension is less, helps module backlight and develop to light and thin type.The LED-backlit source relies on its unique advantage, demonstrates powerful application prospect in LCD gradually.
Adopt LED to generally comprise backboard, LED lamp bar, LGP, upper frame, blooming piece combination, the liquid crystal panel that has drive circuit board and outside framework etc., how to reduce and use LED and show that as the large scale liquid crystal of backlight the thickness of module is to realize that narrow frame design is the important topic that industry needs to be resolved hurrily as the liquid crystal display module structure of backlight.
The utility model content
The utility model provides a kind of module backlight and liquid crystal display module, to satisfy the narrow frame designing requirement that large scale liquid crystal shows module.
The utility model embodiment provides a kind of module backlight, comprises backboard, lamp bar, LGP and upper frame, wherein:
Described backboard comprises a base plate, and is arranged on three first side plates and one second side plate around the described base plate, and wherein said first side plate bends towards described LGP respectively, and has the U-shaped flanging; Described second side plate deviates from described LGP bending.
Aforesaid module backlight, preferably: also comprise heat sink strip, the lamp bar of described LGP side is fixed on the described heat sink strip, and described lamp bar is provided with several LED lamps towards a side of described LGP, and the light-emitting area of described LED lamp is towards described LGP.
Aforesaid module backlight, preferably: described heat sink strip is provided with first fixing hole.
Aforesaid module backlight, preferably: the opening of the U-shaped flanging of described first side plate deviates from described upper frame, and the base of described U-shaped flanging and described base plate are provided with second fixing hole, and second fixing hole on the described base plate is corresponding with the position of described first fixing hole.
Aforesaid module backlight, preferably: described upper frame is provided with and is used for the spacing hole of fixedlying connected with described backboard with described heat sink strip, and the position of described spacing hole is corresponding with the position of described first fixing hole and second fixing hole respectively.
Aforesaid module backlight, preferably: described upper frame split is provided with, respectively corresponding each described heat sink strip setting, the first end of described upper frame is set up on described LGP, and the second end of described upper frame is around in the outside of described backboard side plate.
Aforesaid module backlight, preferably: also comprise the blooming piece combination, be arranged at the side that described LGP deviates from described base plate; Offer depressed part in the described first end; The edge of described blooming piece combination is formed with protuberance, and described protuberance is embedded in the depressed part of described first end.
The utility model embodiment also provides a kind of liquid crystal display module, comprises liquid crystal panel, drive circuit board and outside framework, wherein: also comprise module backlight provided by the utility model;
Described liquid crystal panel vicinity is arranged on a side of described module light guide plate backlight;
Described drive circuit board is arranged on second side plate outside of described base plate, fits with described upper frame, and is connected with described liquid crystal panel;
The sidewall of described outside framework is around in the outside of described liquid crystal panel, drive circuit board and module backlight
Aforesaid liquid crystal display module, preferably: the end that described upper frame is positioned at second side plate outside of described backboard is provided with plummer, and described plummer is parallel to described LGP, and described drive circuit board is set up on described plummer.
Aforesaid liquid crystal display module, preferably: the position corresponding with first fixing hole of described upper frame at described outside framework is provided with the 3rd fixing hole.
Module backlight that the utility model provides and liquid crystal display module, a side plate by backboard bends downwards, is arranged on the side of module backlight for the drive circuit board of display panels, to reduce the border width of liquid crystal display module; And cooperate the backboard U-shaped flanging structure of three side plates in addition, and strengthened the intensity of aluminium backboard, prevent that backboard from occuring bending and deformation.Further, heat sink strip is arranged on the LGP side, not only plays the effect of conduction heat, also have the effect of mechanical support simultaneously.
Description of drawings
Fig. 1 dissects structural representation for the local forward sight of the module backlight that the utility model embodiment one provides;
Fig. 2 looks for the partial left of module backlight among Fig. 1 and dissects structural representation;
Fig. 3 is the structural representation of module entodorsum backlight among Fig. 1;
The fragmentary top TV structure schematic diagram of the module backlight that Fig. 4 provides for the utility model embodiment two;
The partial structurtes schematic diagram of heat sink strip in the module backlight that Fig. 5 provides for the utility model embodiment three;
The forward sight biopsy cavity marker devices structural representation of the module backlight that Fig. 6 provides for the utility model embodiment three;
Fig. 7 looks the biopsy cavity marker devices structural representation for the left side of the module backlight that the utility model embodiment three provides;
The forward sight biopsy cavity marker devices structural representation of the liquid crystal display module that Fig. 8 provides for the utility model embodiment four;
Fig. 9 looks the biopsy cavity marker devices structural representation for the left side of the liquid crystal display module that the utility model embodiment four provides;
Figure 10 and Figure 11 are respectively the assembling partial structurtes schematic diagram of the liquid crystal display module that the utility model embodiment five provides.
Reference numeral:
The 1-backboard; 11-first side plate; 111-U shape flanging;
12-second side plate; 13-second fixing hole; The 15-base plate;
The 2-LGP; The 3-upper frame; The 31-first end;
The 311-depressed part; The 32-the second end; The 33-spacing hole;
The 34-plummer; The 4-heat sink strip; 41-first fixing hole;
The 5-LED lamp; The combination of 6-blooming piece; The 61-protuberance;
The 7-liquid crystal panel; The 71-drive circuit board; The 72-flexible PCB;
The 8-outside framework; The 81-the first side wall; 82-second sidewall.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
Fig. 1 dissects structural representation for the local forward sight of the module backlight that the utility model embodiment one provides, Fig. 2 looks for the partial left of module backlight among Fig. 1 and dissects structural representation, Fig. 3 is the structural representation of module entodorsum backlight among Fig. 1, as Fig. 1, Fig. 2 and shown in Figure 3, the module backlight that present embodiment provides is for adopting the LED lamp as the side-light type of light source module backlight, and this module backlight comprises backboard 1, lamp bar, LGP 2 and upper frame 3.Wherein, backboard 1 can adopt materials commonly used such as aluminium.As shown in Figure 3, backboard 1 in the present embodiment module backlight is the cavity structure of bending all around, backboard 1 specifically comprises a base plate 15, and be arranged on four side plates around the base plate 15, be respectively three first side plates 11 and one second side plate 12, three first side plates 11 are respectively towards LGP 2 bendings, the relative plumbness that specifically can be 90 degree, and first side plate 11 has U-shaped flanging 111 respectively, as shown in Figure 1, the opening of U-shaped flanging 111 deviates from blooming piece combination 6, and is promptly preferably vertical with the plane of LGP 2, so that strengthen structural strength; Second side plate 12 deviates from LGP 2 bendings, promptly preferably also is the vertical setting of 90 degree with LGP 2, as shown in Figure 3.Bending all around can be strengthened the intensity of backboard 1, prevents that backboard 1 from occuring bending and deformation so that backlight occurs bad.The bending part of second side plate 12 can be placed the drive circuit board 71 of liquid crystal panel 7, need not drive circuit board 71 and backboard 1 overlapping, by open backboard 1 second side plate 12 drive circuit board 71 is extended to scope outside the backboard 1, can reduce the border width of liquid crystal display module.Generally, all right integrated optics membrane combination 6 in the module backlight, blooming piece combination 6 is arranged at the side that LGP 2 deviates from base plate 15 in the backboard 1.
In the present embodiment, also comprise heat sink strip 4, be fixed on the heat sink strip 4 at the lamp bar of LGP 2 sides that each lamp bar is provided with several LED lamps 5 towards a side of LGP 2, the light-emitting area of LED lamp 5 is towards LGP 2.Can be in the present embodiment with the carrier of heat sink strip 4 as the installation side light source, and a plurality of LED lamp 5 can be arranged on the lamp bar, LED lamp bar is installed on the heat sink strip 4 again.In order to realize that the light-emitting area of each LED lamp 5 is provided with towards LGP 2 to LGP 2 emission light, light enters LGP 2 all around from LGP 2 sides, evenly penetrates from LGP 2 upper surfaces.
In the above-described embodiments, heat dissipation metal bar 4 is fixed on the edge bending part near backboard 1, as shown in Figure 1, is fixed with LED lamp bar on the heat dissipation metal bar 4, and the backboard inside that is furnished with LED lamp bar has cavity structure, is placed with LGP 2 at cavity inside.Heat dissipation metal bar 4 self need be fixed on the backboard 1, and heat dissipation metal bar 4 upper fixed have upper frame 3, and LED lamp bar also is fixed on the heat dissipation metal bar 4 simultaneously, and heat dissipation metal bar 4 also has the effect of mechanical support simultaneously except playing the effect of conduction heat.The structure of heat dissipation metal bar 4 can be strip, can guarantee the tolerance demand of product design at length direction, and is as far as possible little in the cross direction size, to guarantee the demand of the narrow frame of product design.The quantity of heat dissipation metal bar 4 can be provided with as required in the present embodiment, promptly can all be provided with around LGP 2, also can be provided with respectively in the both sides of LGP 2 etc.
Further, in the above-described embodiments, upper frame 3 can be a split setting, and corresponding respectively each heat sink strip 4 of upper frame 3 is provided with.The first end 31 of upper frame 3 is set up on LGP 2, and the other end of upper frame 3 is the outside that the second end 32 is around in backboard 1 each side plate.Upper frame 3 can be made up of a plurality of same parts, in the time of can avoiding adopting plastic parts as upper frame 3 so on the one hand, because plastic parts too greatly and the too thin consequence that easily causes modification, and can reduce die cost, reduces production costs.
Embodiment two
The fragmentary top TV structure schematic diagram of the module backlight that Fig. 4 provides for the utility model embodiment two, show blooming piece combination 6 and upper frame 3, in the present embodiment, above LGP 2, the side of upper frame 3 is provided with blooming piece combination 6, this blooming piece combination 6 comprises blooming pieces such as diffusion sheet and prismatic lens.In order to reduce the seal ring thickness of liquid crystal display module further, should accomplish does not have intersection between blooming piece combination 6 and the upper frame 3, as shown in Figure 4, offer one or more depressed parts 311 in the first end 31 of upper frame 3, the edge that is positioned at the blooming piece combination 6 of LGP 2 tops is formed with protuberance 61, protuberance 61 is embedded in the depressed part 311 on first end 31, so both can realize blooming piece combination 6 fixing with respect to upper frame 3, can avoid overlapping again, reduce the thickness of liquid crystal display module.
Embodiment three
The partial structurtes schematic diagram of heat sink strip in the module backlight that Fig. 5 provides for the utility model embodiment three, the forward sight biopsy cavity marker devices structural representation of the module backlight that Fig. 6 provides for the utility model embodiment three, Fig. 7 looks the biopsy cavity marker devices structural representation for the left side of the module backlight that the utility model embodiment three provides, as Fig. 5, Fig. 6 and shown in Figure 7, in the present embodiment, heat sink strip 4 is list structure and is fixed on the backboard 1, therefore can be provided with first fixing hole 41 on the heat sink strip 4, this first fixing hole 41 can be oval slotted hole, heat sink strip 4 can be fixed on the backboard 1 by screw being located in first fixing hole 41.Correspondingly, the side plate of backboard 1 and base plate 15 are provided with second fixing hole 13, wherein, if the opening of the U-shaped flanging 111 of first side plate 11 deviates from upper frame 3, all can be provided with second fixing hole 13 on the base of U-shaped flanging 111 and the base plate 15, and second fixing hole 13 on the base plate 15 is corresponding with first fixing hole, 41 positions.Correspondingly, upper frame 3 is provided with and is used for the spacing hole 33 of fixedlying connected with backboard 1 with heat sink strip 4.Second fixing hole 13 on the U-shaped flanging 111 of the spacing hole 33 on the upper frame 3 and first side plate 11 docks fixing, and upper frame 3 is fixing with backboard 1; First fixing hole 41 on the position of the spacing hole 33 on the upper frame 3 and the heat sink strip 4 and the position of second fixing hole 13 on the backboard 1 are corresponding, so that butt joint is fixing.Be that spacing hole 33 is corresponding with second fixing hole, 13 positions, form through hole, thereby columns such as bolt can be inserted in the through hole, dock fixing, similarly, can also be that spacing hole 33, first fixing hole 41 are corresponding with the position of second fixing hole 13, form through hole, rely on the perforation thing that inserts to dock fixing.
The module backlight that each embodiment of the utility model provides, a side plate by backboard bends downwards, is arranged on the side of module backlight for the drive circuit board of display panels, to reduce the border width of liquid crystal display module; And cooperate the backboard U-shaped flanging structure of three side plates in addition, and strengthened the intensity of backboard, prevent that backboard from occuring bending and deformation.Simultaneously heat sink strip is arranged on the LGP side, not only plays the effect of conduction heat, also have the effect of mechanical support simultaneously.
Embodiment four
The forward sight biopsy cavity marker devices structural representation of the liquid crystal display module that Fig. 8 provides for the utility model embodiment four, Fig. 9 looks the biopsy cavity marker devices structural representation for the left side of the liquid crystal display module that the utility model embodiment four provides, as Fig. 8 and shown in Figure 9, this liquid crystal display module comprises liquid crystal panel 7, drive circuit board 71 and outside framework 8, also comprise module backlight, the module backlight that the module backlight in the present embodiment can adopt the utility model any embodiment to be provided.Wherein, liquid crystal panel 7 is set up on upper frame 3, a contiguous side that is arranged on module light guide plate 2 backlight; This liquid crystal panel 7 has drive circuit board 71, drive circuit board 71 is generally bent flexible PCB 72, perhaps adopt flexible PCB 72 to be connected, make drive circuit board 71 to be bent to be arranged on second side plate, 12 outsides of backboard 1 to fit with upper frame 3 with liquid crystal panel 7.Between upper frame 3 and liquid crystal panel 7, also can stick silica gel strip.Silica gel strip plays the effect of vibration damping on the one hand, on the other hand can fixed optics membrane combination 6.
Embodiment five
Figure 10 and Figure 11 are respectively the assembling partial structurtes schematic diagram of the liquid crystal display module that the utility model embodiment five provides, as shown in Figure 10 and Figure 11, the end that is positioned at second side plate, 12 outsides of backboard 1 at upper frame 3 is provided with plummer 34, plummer 34 is parallel to the direction of LGP 2, and the drive circuit board 71 of liquid crystal panel 7 can be set up on plummer 34.
In addition, for the assembling that realizes outside framework and module backlight is fixed, also be provided with the 3rd fixing hole in the outside framework position corresponding in the present embodiment with first fixing hole of upper frame.The 3rd fixing hole of outside framework is corresponding with the position of first fixing hole of upper frame, can connect fixing by parts such as screws.
The utility model embodiment also provides a kind of liquid crystal display module, and particularly a large scale is used the luminous ultra-thin liquid crystal display module of LED lamp, can make its gross thickness less than 10mm.And the drive circuit board of liquid crystal panel places the side plate position of backboard, reduced the border width size of liquid crystal display module.
The utility model has reduced the thickness of liquid crystal display module, has guaranteed the design of narrow frame simultaneously, and makes liquid crystal display module flexible type not under ultra-thin situation.Heat sink strip better conducts the heat that LED lamp bar produces, thereby has increased the stability of liquid crystal display module; Also reduced the cost of liquid crystal display module effectively, assembling is easier in process of production.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a module backlight comprises backboard, lamp bar, LGP and upper frame, it is characterized in that:
Described backboard comprises a base plate, and is arranged on three first side plates and one second side plate around the described base plate, and wherein said first side plate bends towards described LGP respectively, and has the U-shaped flanging; Described second side plate deviates from described LGP bending.
2. module backlight according to claim 1 is characterized in that:
Also comprise heat sink strip, the lamp bar of described LGP side is fixed on the described heat sink strip, and described lamp bar is provided with several LED lamps towards a side of described LGP, and the light-emitting area of described LED lamp is towards described LGP.
3. module backlight according to claim 2 is characterized in that: described heat sink strip is provided with first fixing hole.
4. module backlight according to claim 3, it is characterized in that: the opening of the U-shaped flanging of described first side plate deviates from described upper frame, and the base of described U-shaped flanging and described base plate are provided with second fixing hole, and second fixing hole on the described base plate is corresponding with the position of described first fixing hole.
5. module backlight according to claim 4, it is characterized in that: described upper frame is provided with and is used for the spacing hole of fixedlying connected with described backboard with described heat sink strip, and the position of described spacing hole is corresponding with the position of described first fixing hole and second fixing hole respectively.
6. according to the arbitrary described module backlight of claim 2～5, it is characterized in that: described upper frame is the split setting, respectively corresponding each described heat sink strip setting, the first end of described upper frame is set up on described LGP, and the second end of described upper frame is around in the outside of described backboard side plate.
7. module backlight according to claim 6 is characterized in that: also comprise the blooming piece combination, be arranged at the side that described LGP deviates from described base plate; Offer depressed part in the described first end; The edge of described blooming piece combination is formed with protuberance, and described protuberance is embedded in the depressed part of described first end.
8. a liquid crystal display module comprises liquid crystal panel, drive circuit board and outside framework, it is characterized in that: also comprise as the arbitrary described module backlight of claim 1 to 7;
Described liquid crystal panel vicinity is arranged on a side of described module light guide plate backlight;
Described drive circuit board is arranged on second side plate outside of described backboard, fits with described upper frame, and is connected with described liquid crystal panel;
The sidewall of described outside framework is around in the outside of described liquid crystal panel, drive circuit board and module backlight.
9. liquid crystal display module according to claim 8, it is characterized in that: the end that described upper frame is positioned at second side plate outside of described backboard is provided with plummer, described plummer is parallel to described LGP, and described drive circuit board is set up on described plummer.
10. according to Claim 8 or 9 described liquid crystal display modules, it is characterized in that: the position corresponding with first fixing hole of described upper frame at described outside framework is provided with the 3rd fixing hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201856628U CN201636705U (en) | 2010-05-06 | 2010-05-06 | Backlight module and liquid crystal display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201856628U CN201636705U (en) | 2010-05-06 | 2010-05-06 | Backlight module and liquid crystal display module |
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| CN201636705U true CN201636705U (en) | 2010-11-17 |
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| CN2010201856628U Expired - Lifetime CN201636705U (en) | 2010-05-06 | 2010-05-06 | Backlight module and liquid crystal display module |
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| CN102287761A (en) * | 2011-08-18 | 2011-12-21 | 深圳市华星光电技术有限公司 | Light guide plate positioning piece and corresponding backlight module |
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| CN104360521A (en) * | 2014-11-18 | 2015-02-18 | 深圳市华星光电技术有限公司 | Plastic frame and display device |
| CN105674147A (en) * | 2016-01-14 | 2016-06-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN105938272A (en) * | 2016-05-27 | 2016-09-14 | 安比斯特殊玻璃（苏州）有限公司 | Ultrathin backlight module and touch all-in-one machine based on ultrathin backlight module |
| CN105938272B (en) * | 2016-05-27 | 2023-03-28 | 无锡天堃光电科技有限公司 | Ultrathin backlight module and touch all-in-one machine based on same |
| WO2022068381A1 (en) * | 2020-09-30 | 2022-04-07 | 京东方科技集团股份有限公司 | Curved display module and display device |
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Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150707 Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150707 |
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Effective date of registration: 20150707 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing economic and Technological Development Zone, West Central Road, No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
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