CN102425744A - Backlight module and liquid crystal display - Google Patents
Backlight module and liquid crystal display Download PDFInfo
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- CN102425744A CN102425744A CN2011103790022A CN201110379002A CN102425744A CN 102425744 A CN102425744 A CN 102425744A CN 2011103790022 A CN2011103790022 A CN 2011103790022A CN 201110379002 A CN201110379002 A CN 201110379002A CN 102425744 A CN102425744 A CN 102425744A
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- module backlight
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Abstract
The invention provides a backlight module, which comprises a light guide plate and a plurality of light emitting diode (LED) lamps, the edge of the incident light lateral surface of the light guide plate is provided with a plurality of openings respectively corresponding to the LED lamps, and rays emitted by the LED lamps are uniformly dispersed through the openings. The edge of the light guide plate is provided with the plurality of openings respectively corresponding to the LED lamps, and the rays emitted by the LED lamps are uniformly dispersed through the openings, so that the light mixing distance is shortened and the width of the rim of the incident light side of the light guide plate is reduced.
Description
Technical field
The present invention relates to field of liquid crystal display, module particularly backlight and comprise the LCD of this module backlight.
Background technology
Because LED is a spot light; Therefore the dark space can appear in the gap between LED and the LED; Mainly be to eliminate this dark space at present through printing net-point on LGP; This method need keep bigger light mixing distance (this light mixing distance equates with gap between LED and the LED usually), and this section light mixing distance is the viewing area that can not get into panel.With reference to Fig. 1, for LGP in the prior art is the sketch map that spot light is reserved light mixing distance because of the LED lamp, LED lamp 3 from LGP 1 ' side incident, forming one section dark space is light mixing distance H.Therefore this method makes the frame design of incident side of at present all LGPs all need consider this light mixing distance, makes the frame of incident side of LGP compare broad.
Summary of the invention
Main purpose of the present invention provides a kind of module backlight and LCD, is intended to shorten light mixing distance, reduces the width of LGP incident side.
The embodiment of the invention provides a kind of module backlight, comprises LGP and some LED lamps, and the edge of the light incident sides of said LGP offers the some openings corresponding respectively with some LED lamps, and the light that the LED lamp sends is evenly dispersed through opening.
Preferably, said opening connects two opposite faces vertical with the light incident sides of said LGP, and the cross sectional shape of the light incident sides vertical direction of itself and LGP is square or arc.
Preferably, this module backlight also comprises lampshade, and said lampshade comprises first light barrier, connecting plate and second light barrier, and said connecting plate links into an integrated entity first light barrier and second light barrier, and offers the through hole that supplies the LED lamp to pass on it.The shape of said first light barrier and second light barrier and the shape adaptation of said opening.
Preferably, said first light barrier and/or the said second light barrier medial surface are adhesive with reflector plate.
Preferably, said first light barrier is connected with said connecting plate is vertical respectively with said second light barrier.Vertical with the light incident sides of said LGP respectively two opposite faces in the outer face of said first light barrier and said second light barrier are concordant.
Preferably, this module backlight also comprises the lamp bar, and said LED lamp is arranged in the lamp bar, and said lampshade is fixed through being connected of bonding or mechanical system with the lamp bar.
The embodiment of the invention also provides a kind of LCD; Comprise module backlight; This module backlight comprises LGP and some LED lamps, and the edge of the light incident sides of said LGP offers the some openings corresponding respectively with some LED lamps, and the light that the LED lamp sends is evenly dispersed through opening.
Some openings that the embodiment of the invention offers through the edge in the incident side of LGP and some LED lamps are corresponding respectively, the light that the LED lamp sends is dispersed evenly through opening, has shortened light mixing distance, has reduced the width of the frame of LGP incident side.
Description of drawings
Fig. 1 is that LGP is the sketch map that spot light is reserved light mixing distance because of the LED lamp in the prior art;
Fig. 2 is the sketch map of the module backlight in the embodiment of the invention;
Fig. 3 is the structural representation of the light guide plate assembly in the embodiment of the invention;
Fig. 4 is the structural representation of the LGP in the embodiment of the invention;
Fig. 5 is the structural representation of lampshade in the embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention provides a kind of module backlight, with reference to Fig. 2, is the sketch map of the module backlight in the embodiment of the invention.This module backlight comprises light guide plate assembly 12, LED lamp 3, reflecting plate 4, blooming piece 5, center 6, display floater 7 and preceding frame 8; Light guide plate assembly 12, reflecting plate 4, blooming piece 5, center 6, display floater 7 and preceding frame 8 set gradually; The light that LED lamp 3 sends gets into light guide plate assembly 12 from the side of light guide plate assembly 12; Light guide plate assembly 12 is evenly dispersed the light that LED lamp 3 sends with blooming piece 5, and display floater 7 is fixed between center 6 and the preceding frame 8.
With reference to Fig. 3, be the structural representation of the light guide plate assembly in the embodiment of the invention.As shown in Figure 3, this light guide plate assembly 12 comprises LGP 1 and lampshade 2.
In conjunction with Fig. 4, be the structural representation of the LGP in the embodiment of the invention.The edge of the incident side of this LGP 1 offers the corresponding LED lamps 3 of 11, one openings of some openings 11, and the divergence of beam that opening 11 is used for LED lamp 3 is sent is even.With reference to shown in Figure 1; Opening is not offered at the edge of LGP in the prior art; So can't avoid on LGP, one section dark space occurring is light mixing distance; Light mixing distance can't get into the viewing area of display floater, and promptly the border width of the incident side of LGP will design than the wide light mixing distance of width of the viewing area that gets into display floater.LGP 1 in the embodiment of the invention is through offer opening 11 on the edge of, and the divergence of beam that opening 11 helps LED lamp 3 to send is even, shortens light mixing distance, reduces the width of the frame of LGP 1 incident side.
In specific embodiment; Opening 11 connects two opposite faces vertical with the light incident sides of LGP 1; Be the upper and lower surface that opening 11 connects LGP 1, opening 11 is arc or rectangle with the light incident sides vertical direction cross sectional shape of LGP, like other shaped forms such as semicircle, ellipse, rectangles.
In conjunction with Fig. 5, be the structural representation of lampshade in the embodiment of the invention 2.This lampshade 2 comprises first light barrier 21, second light barrier 22 and connecting plate 23; Connecting plate 23 links into an integrated entity first light barrier 21 and second light barrier 22; And offer the shape of the shape that supplies through hole 231, the first light barriers 21 that LED lamp 3 passes and second light barrier 22 and size and opening 11 and big or small adaptive on it.
Preferably, on first light barrier 21 and/or second light barrier, 22 medial surfaces, be adhesive with the reflector plate of highly reflective ability, the light that LED lamp 3 is sent reflexes in the LGP 1, prevents light leak, also helps the light that LED lamp 3 sends is dispersed evenly.
Preferably, first light barrier 21 and second light barrier 22 respectively with 23 vertical connections of connecting plate.Certainly in specific embodiment; First light barrier 21 and second light barrier 22 can be acute angle or obtuse angle with the angle that connecting plate 23 forms respectively; When its angle is acute angle or obtuse angle; Must guarantee that the edge of first light barrier 21 and second light barrier 22 contacts with the border seal of opening 11, promptly guarantee no light leak.
Preferably, the outer face of first light barrier 21 and second light barrier 22 two opposite faces vertical with the light incident sides of LGP are concordant.Certainly in specific embodiment, the outer face of first light barrier 21 and second light barrier 22 is the two vertical opposite faces of light incident sides of recessed LGP 1 respectively.No matter it is concordant or recessed, all is to guarantee no light leak.
In specific embodiment, this module backlight also comprises the lamp bar, and LED lamp 3 is arranged on the lamp bar, and LED lamp 3 passes the through hole 231 on the lampshade 2, and its light that sends is evenly dispersed through opening 11.Lampshade 2 is fixed through being connected of bonding or mechanical system with the lamp bar, as bonding with powerful double faced adhesive tape or fix through screw and screwed hole etc.
The present invention also provides a kind of LCD, and this LCD comprises module backlight, and the structure and the principle of the module backlight in this module backlight and the foregoing description are identical, repeat no more at this.Owing to comprise above-mentioned module backlight, thus the ratio of the effective dimensions of LCD of the present invention and overall size than prior art greatly.
More than be merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (9)
1. a module backlight comprises LGP and some LED lamps, it is characterized in that, the edge of the light incident sides of said LGP offers the some openings corresponding respectively with some LED lamps, and the light that the LED lamp sends is evenly dispersed through opening.
2. module backlight according to claim 1 is characterized in that, said opening connects two opposite faces vertical with the light incident sides of said LGP, and the cross sectional shape of the light incident sides vertical direction of itself and LGP is rectangle or arc.
3. module backlight according to claim 1 and 2 is characterized in that, also comprises lampshade, and said lampshade comprises first light barrier, connecting plate and second light barrier; Said connecting plate links into an integrated entity first light barrier and second light barrier, and offers the through hole that supplies the LED lamp to pass on it.
4. module backlight according to claim 3 is characterized in that, the shape of said first light barrier and second light barrier and the shape adaptation of said opening.
5. module backlight according to claim 4 is characterized in that, said first light barrier and/or the said second light barrier medial surface are adhesive with reflector plate.
6. module backlight according to claim 5 is characterized in that, said first light barrier is connected with said connecting plate is vertical respectively with said second light barrier.
7. module backlight according to claim 6 is characterized in that, vertical with the light incident sides of said LGP respectively two opposite faces in the outer face of said first light barrier and said second light barrier are concordant.
8. module backlight according to claim 7 is characterized in that, also comprises the lamp bar, and said LED lamp is arranged in the lamp bar, and said lampshade is fixed through being connected of bonding or mechanical system with the lamp bar.
9. a LCD is characterized in that, comprises like each described module backlight in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103790022A CN102425744A (en) | 2011-11-24 | 2011-11-24 | Backlight module and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103790022A CN102425744A (en) | 2011-11-24 | 2011-11-24 | Backlight module and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102425744A true CN102425744A (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103790022A Pending CN102425744A (en) | 2011-11-24 | 2011-11-24 | Backlight module and liquid crystal display |
Country Status (1)
| Country | Link |
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| CN (1) | CN102425744A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080029133A (en) * | 2006-09-28 | 2008-04-03 | 엘지.필립스 엘시디 주식회사 | Back light unit and liquid crystal display device using the same |
| CN100516631C (en) * | 2004-09-27 | 2009-07-22 | 陈仕群 | LED lamp |
| CN101556007A (en) * | 2009-04-30 | 2009-10-14 | 达运精密工业（苏州）有限公司 | Backlight module and display device |
| CN201757335U (en) * | 2010-07-28 | 2011-03-09 | 创维液晶器件(深圳)有限公司 | LED backlight module, liquid crystal display and display terminal |
| CN102062335A (en) * | 2010-11-11 | 2011-05-18 | 上海向隆电子科技有限公司 | Backlight module and liquid crystal display device |
| CN201877458U (en) * | 2010-05-31 | 2011-06-22 | 珠海市荣盈电子科技有限公司 | Chip type LED (light-emitting diode) substrate with reflection cup |
| CN202266945U (en) * | 2011-10-27 | 2012-06-06 | 华灿光电股份有限公司 | Side-light type backlight module |
-
2011
- 2011-11-24 CN CN2011103790022A patent/CN102425744A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100516631C (en) * | 2004-09-27 | 2009-07-22 | 陈仕群 | LED lamp |
| KR20080029133A (en) * | 2006-09-28 | 2008-04-03 | 엘지.필립스 엘시디 주식회사 | Back light unit and liquid crystal display device using the same |
| CN101556007A (en) * | 2009-04-30 | 2009-10-14 | 达运精密工业（苏州）有限公司 | Backlight module and display device |
| CN201877458U (en) * | 2010-05-31 | 2011-06-22 | 珠海市荣盈电子科技有限公司 | Chip type LED (light-emitting diode) substrate with reflection cup |
| CN201757335U (en) * | 2010-07-28 | 2011-03-09 | 创维液晶器件(深圳)有限公司 | LED backlight module, liquid crystal display and display terminal |
| CN102062335A (en) * | 2010-11-11 | 2011-05-18 | 上海向隆电子科技有限公司 | Backlight module and liquid crystal display device |
| CN202266945U (en) * | 2011-10-27 | 2012-06-06 | 华灿光电股份有限公司 | Side-light type backlight module |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120425 |