CN1892341A - Light-guiding plate and back-light module group using same and liquid-crystal display - Google Patents
Light-guiding plate and back-light module group using same and liquid-crystal display Download PDFInfo
- Publication number
- CN1892341A CN1892341A CNA2005100359123A CN200510035912A CN1892341A CN 1892341 A CN1892341 A CN 1892341A CN A2005100359123 A CNA2005100359123 A CN A2005100359123A CN 200510035912 A CN200510035912 A CN 200510035912A CN 1892341 A CN1892341 A CN 1892341A
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- light
- light guide
- guide plate
- colour cast
- ink lay
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Abstract
The present invention provides a light guide board and backlight module adopting said light guide board and liquid crystal display device. Light guide board includes plurality of surfaces and transparent ink lay set on at least one light passing surface. Said ink lay having colour cast particle, used for absorbing a few red light and green light for compensating colour cast caused by diffusing piece and light harvesting piece etc blooming absorbing blue light.
Description
[technical field]
The present invention relates to a kind of light guide plate, particularly a kind of module backlight and LCD that scribbles the light guide plate of ink lay and adopt this light guide plate.
[background technology]
LCD has high image quality, radiationless, advantage such as volume is little, in light weight and power saving, has been widely used in various information, communication, the consumption electronic products, and has replaced the main flow that cathode ray tube (CRT) becomes display gradually.Yet most of LCD Related products because liquid crystal panel self can not be luminous, need a module backlight to provide light source for it, to realize Presentation Function.
Seeing also Fig. 1, is a kind of module synoptic diagram backlight of prior art.This module 100 backlight comprises a light source 170, a light guide plate 130, a reflector plate 110, following diffusion sheet 140, goes up a diffusion sheet 160 and a light-collecting piece 150.This light source 170 is positioned at light guide plate 130 1 sides, this reflector plate 110, light guide plate 130, diffusion sheet 140, light-collecting piece 150 and the stacked from top to bottom successively setting of last diffusion sheet 160 down.This light guide plate 130 comprises that an exiting surface 131, a bottom surface 132 are connected the incidence surface 133 of exiting surface 131 and bottom surface 132 with one, and this incidence surface 133 is near light sources 170.
[summary of the invention]
Be to overcome the colour cast problem that the light guide plate of prior art exists, it is firm and hard for necessary to the invention provides a kind of leaded light with colour cast compensate function.
Be the colour cast problem that overcomes the module existence backlight of prior art, the invention provides a kind of module backlight and be necessity in fact with colour cast compensate function.
Be the colour cast problem that overcomes the LCD existence of prior art, the invention provides a kind of LCD and be necessity in fact with colour cast compensate function.
The light guide plate that the present invention's one better embodiment is disclosed comprises a plurality of surfaces and is arranged at least one light by lip-deep light-permeable ink lay, has the colour cast particle in this ink lay.
The module backlight that another better embodiment of the present invention is disclosed comprises a light guide plate and a light source.This light guide plate comprises a plurality of surfaces and is arranged at least one light by lip-deep light-permeable ink lay that this light source is arranged at light guide plate one side.Has the colour cast particle in this ink lay.
The LCD that the another better embodiment of the present invention is disclosed comprises the substrate of a pair of upper and lower settings, and one is sandwiched in a liquid crystal layer and the module backlight between the substrate.This module backlight is positioned at the back side of infrabasal plate, and comprises that a light guide plate and a light source, this light guide plate comprise a plurality of surfaces and be arranged at least one light by lip-deep light-permeable ink lay, and this light source is arranged at light guide plate one side.Has the colour cast particle in this ink lay.
The present invention by add the colour cast particle in the light guide plate printing ink layer, is used to absorb a spot of ruddiness and green glow to the colour cast problem of LCD, realizes the control to chromaticity coordinates, thereby carries out the colour cast compensation.
[description of drawings]
Fig. 1 is the structural representation of existing module backlight.
Fig. 2 is the structural representation of light guide plate first embodiment of the present invention.
Fig. 3 is the structural representation of the present invention's module first embodiment backlight.
Fig. 4 is the structural representation of the present invention's module second embodiment backlight.
Fig. 5 is the structural representation of LCD first embodiment of the present invention.
[embodiment]
Seeing also Fig. 2, is the structural representation of light guide plate first embodiment of the present invention.This light guide plate 200 comprises a matrix 230, and this matrix 230 has an exiting surface 231, an incidence surface 233 and a bottom surface 232, and this exiting surface 231 is oppositely arranged with bottom surface 232, this incidence surface 233 and exiting surface 231 and bottom surface 232 adjacent settings.This light guide plate exiting surface 231 is formed with a light-permeable ink lay 220.
This ink lay 220 forms by the grid printing, and thickness can be at one micron in 100 micrometer ranges.This ink lay 220 comprises printing ink 222 and colour cast particle 221.This printing ink 222 is light-permeable resins.This colour cast particle 221 is blue pigment particle or other micromolecule dye granule, is used to absorb a spot of ruddiness and green glow, realizes the control to chromaticity coordinates, thus the colour cast that compensation produces the absorption of blue light because of optical film.The amount of this colour cast particle 221 is exceeded not influence color saturation.
This ink lay 220 also can be formed at the interface of light path processes such as the bottom surface 232 of this light guide plate 200 and incidence surface 233 in the present embodiment.
Seeing also Fig. 3, is the structural representation of the present invention's module first embodiment backlight.This module 300 backlight comprises a light source 370, a light guide plate 330, a reflector plate 310, goes up diffusion sheet 360, following diffusion sheet 340 and a light-collecting piece 350.This light guide plate 330 comprises an exiting surface 331, a bottom surface 332 and an incidence surface 333, and this exiting surface 331 is oppositely arranged with bottom surface 332, this incidence surface 333 and exiting surface 331 and bottom surface 332 adjacent settings.This light source 370 is light emitting diode or cold cathode fluorescent lamp in light guide plate 330 1 sides, and this light source is a cold cathode fluorescent lamp in the present embodiment.This reflector plate 310, light guide plate 330, diffusion sheet 340, light-collecting piece 350 and the stacked from top to bottom successively setting of last diffusion sheet 360 down.
These bottom surface of light guide plate 332 places are formed with a light-permeable ink lay 320.These ink lay 320 thickness can be at one micron in 100 micrometer ranges.This ink lay 320 comprises printing ink 322 and colour cast particle 321.This printing ink 322 is light-permeable resins.This colour cast particle 321 is blue pigment particle or other micromolecule dye granule.The amount of this colour cast particle 321 is exceeded not influence color saturation.In the present embodiment this ink lay 320 also can be formed at the exiting surface 331 of this light guide plate 330 and incidence surface 333 wherein one of at least on.
Seeing also Fig. 4, is the structural representation of the present invention's module second embodiment backlight.This module 400 backlight comprises a light source 470, a light guide plate 430, a reflector plate 410, goes up diffusion sheet 460, following diffusion sheet 440 and a light harvesting 450.This light guide plate 430 comprises an incidence surface 432 and an exiting surface 431, and this exiting surface 431 is oppositely arranged with incidence surface 432.This light source 470 and light guide plate incidence surface 432 photographs are the cold cathode fluorescent lamp of a plurality of parallel arranged to being provided with.This reflector plate 410, light guide plate 430, diffusion sheet 440, light-collecting piece 450 and the stacked from top to bottom successively setting of last diffusion sheet 460 down.
These light guide plate exiting surface 431 places are formed with a light-permeable ink lay 420.This ink lay 420 forms by grid printing or coating method, and thickness can be at one micron in 100 micrometer ranges.This ink lay 420 comprises printing ink 422 and colour cast particle 421.This printing ink 422 is light-permeable resins.This colour cast particle 421 is blue pigment particle or other micromolecule dye granule.The amount of this colour cast particle 421 is exceeded not influence color saturation.
This ink lay 420 also can be formed on the light guide plate incidence surface 432 in the present embodiment.
Seeing also Fig. 5, is the structural representation of LCD first embodiment of the present invention.This LCD 500 comprises that the substrate 581,582, of a pair of upper and lower settings is sandwiched in a liquid crystal layer 590 and the module 580 backlight between the upper and lower substrate 581,582.The structure of this module 580 backlight is identical with the structure of module 400 backlight.
Bloomings such as the diffusion sheet of existing module backlight, light-collecting piece can absorb the blue light of shorter wavelength and cause the skew of chromaticity coordinates.The present invention adds the colour cast particle of minor proportions in the light guide plate printing ink layer, be used to absorb a spot of ruddiness and green glow, realizes the control to chromaticity coordinates, thereby carries out the compensation of colour cast.The amount of colour cast colour cast particle that compensation adds should be controlled under the situation that does not influence color saturation among the present invention.
Claims (10)
1. a light guide plate comprises a plurality of surfaces and is arranged at least one light by lip-deep light-permeable ink lay, it is characterized in that: have the colour cast particle in this ink lay.
2. as 1 described light guide plate of claim the, it is characterized in that: this colour cast particle is the micromolecule dye granule.
3. as 1 described light guide plate of claim the, it is characterized in that: this colour cast particle is the blue pigment particle.
4. as 1 described light guide plate of claim the, it is characterized in that: the thickness range of this ink lay is one micron to 100 microns.
5. a module backlight comprises a light guide plate and a light source, and this light guide plate comprises a plurality of surfaces and be arranged at least one light by lip-deep light-permeable ink lay that this light source is arranged at light guide plate one side, it is characterized in that: have the colour cast particle in this ink lay.
6. as 5 described modules backlight of claim the, it is characterized in that: this colour cast particle is the micromolecule dye granule.
7. as 5 described modules backlight of claim the, it is characterized in that: this colour cast particle is the blue pigment particle.
8. LCD, comprise a upper substrate, an infrabasal plate, a liquid crystal layer, a module backlight, this upper substrate and infrabasal plate are oppositely arranged, this liquid crystal layer is between upper substrate and infrabasal plate, this module backlight is positioned at the back side of infrabasal plate, and it comprises a light guide plate and a light source, and this light guide plate comprises a plurality of surfaces and is arranged at least one light by lip-deep light-permeable ink lay, this light source is arranged at light guide plate one side, it is characterized in that: have the colour cast particle in this ink lay.
9. as 8 described LCD of claim the, it is characterized in that: this colour cast particle is the micromolecule dye granule.
10. as 8 described LCD of claim the, it is characterized in that: this colour cast particle is the blue pigment particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100359123A CN1892341A (en) | 2005-07-09 | 2005-07-09 | Light-guiding plate and back-light module group using same and liquid-crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100359123A CN1892341A (en) | 2005-07-09 | 2005-07-09 | Light-guiding plate and back-light module group using same and liquid-crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1892341A true CN1892341A (en) | 2007-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100359123A Pending CN1892341A (en) | 2005-07-09 | 2005-07-09 | Light-guiding plate and back-light module group using same and liquid-crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1892341A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650706A (en) * | 2012-03-09 | 2012-08-29 | 京东方科技集团股份有限公司 | Reflector plate and preparation method thereof, and backlight with reflector plate |
| CN102661544A (en) * | 2012-04-27 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN103017032A (en) * | 2012-12-07 | 2013-04-03 | 康佳集团股份有限公司 | Side-in backlight module, liquid crystal module and liquid crystal display device |
| CN103293762A (en) * | 2012-02-29 | 2013-09-11 | 上海中航光电子有限公司 | Liquid crystal display module, backlight module and light guide plate of liquid crystal display |
| CN103499050A (en) * | 2013-06-11 | 2014-01-08 | 友达光电股份有限公司 | Backlight module |
| CN103675989A (en) * | 2013-12-20 | 2014-03-26 | 康佳集团股份有限公司 | Light guide plate or diffusion plate used for LED backlight module and manufacturing method of light guide plate or diffusion plate |
| CN104620042A (en) * | 2012-09-20 | 2015-05-13 | 武藤工业株式会社 | Device and method for producing light guide plate |
| WO2017059644A1 (en) * | 2015-10-09 | 2017-04-13 | 瑞仪光电(苏州)有限公司 | Backlight module and display device |
| CN106873061A (en) * | 2015-12-14 | 2017-06-20 | 宁波长阳科技股份有限公司 | A kind of printing-ink type reflectance coating and preparation method thereof |
| WO2017118095A1 (en) * | 2016-01-08 | 2017-07-13 | 京东方科技集团股份有限公司 | Backlight module and manufacturing method thereof, and display device |
| CN108710449A (en) * | 2018-05-02 | 2018-10-26 | Oppo广东移动通信有限公司 | Electronic device |
| CN111090184A (en) * | 2019-12-20 | 2020-05-01 | 维沃移动通信有限公司 | Screen assembly and electronic equipment |
-
2005
- 2005-07-09 CN CNA2005100359123A patent/CN1892341A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293762A (en) * | 2012-02-29 | 2013-09-11 | 上海中航光电子有限公司 | Liquid crystal display module, backlight module and light guide plate of liquid crystal display |
| CN102650706A (en) * | 2012-03-09 | 2012-08-29 | 京东方科技集团股份有限公司 | Reflector plate and preparation method thereof, and backlight with reflector plate |
| CN102661544A (en) * | 2012-04-27 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN102661544B (en) * | 2012-04-27 | 2015-09-02 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal indicator |
| CN104620042A (en) * | 2012-09-20 | 2015-05-13 | 武藤工业株式会社 | Device and method for producing light guide plate |
| CN103017032A (en) * | 2012-12-07 | 2013-04-03 | 康佳集团股份有限公司 | Side-in backlight module, liquid crystal module and liquid crystal display device |
| CN103499050A (en) * | 2013-06-11 | 2014-01-08 | 友达光电股份有限公司 | Backlight module |
| CN103675989A (en) * | 2013-12-20 | 2014-03-26 | 康佳集团股份有限公司 | Light guide plate or diffusion plate used for LED backlight module and manufacturing method of light guide plate or diffusion plate |
| WO2017059644A1 (en) * | 2015-10-09 | 2017-04-13 | 瑞仪光电(苏州)有限公司 | Backlight module and display device |
| CN106568029A (en) * | 2015-10-09 | 2017-04-19 | 瑞仪光电(苏州)有限公司 | Backlight module and display apparatus |
| US10151868B2 (en) | 2015-10-09 | 2018-12-11 | Radiant Opto-Electronics (Suzhou) Co., Ltd. | Backlight module and display device |
| CN106873061A (en) * | 2015-12-14 | 2017-06-20 | 宁波长阳科技股份有限公司 | A kind of printing-ink type reflectance coating and preparation method thereof |
| CN106873061B (en) * | 2015-12-14 | 2020-06-09 | 宁波长阳科技股份有限公司 | Printing ink type reflecting film and preparation method thereof |
| WO2017118095A1 (en) * | 2016-01-08 | 2017-07-13 | 京东方科技集团股份有限公司 | Backlight module and manufacturing method thereof, and display device |
| US10466401B2 (en) | 2016-01-08 | 2019-11-05 | Boe Technology Group Co., Ltd. | Backlight module, methods of manufacturing the same, and display device |
| CN108710449A (en) * | 2018-05-02 | 2018-10-26 | Oppo广东移动通信有限公司 | Electronic device |
| CN108710449B (en) * | 2018-05-02 | 2022-03-22 | Oppo广东移动通信有限公司 | Electronic device |
| CN111090184A (en) * | 2019-12-20 | 2020-05-01 | 维沃移动通信有限公司 | Screen assembly and electronic equipment |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |