CN1553259A - Light negative module - Google Patents
Light negative module Download PDFInfo
- Publication number
- CN1553259A CN1553259A CNA031382185A CN03138218A CN1553259A CN 1553259 A CN1553259 A CN 1553259A CN A031382185 A CNA031382185 A CN A031382185A CN 03138218 A CN03138218 A CN 03138218A CN 1553259 A CN1553259 A CN 1553259A
- Authority
- CN
- China
- Prior art keywords
- light
- mentioned
- light guide
- backlight module
- ink
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
A back light module which consists of light source, light guide sheet and ink is characterized as the follows, light source is used for providing light, light guide sheet comprises top surface, bottom surface and vertical side face used to connect above two surfaces, light provided by light source is received by vertical side face and to transmit the received light out through top surface, ink layer is formed on any surface of top surface, bottom surface and vertical side face as it is made of polish, gold oil and gaudy removal ink or made of pearl powder, gold oil and gaudy removal ink.
Description
Technical field
The present invention relates to a kind of backlight module (back light module), relate in particular to and a kind ofly form one and have the ink lay of the light diffusion and the function of adding lustre in a lip-deep backlight module of light guide plate.
Background technology
Along with LCD (liquid crystal display, LCD) manufacturing technology fast development, with and possess advantages such as frivolous, power saving and radiationless line arranged, make LCD be applied in large quantities personal digital assistant (personal digital assistant, PDA), in the various electronic product such as notebook computer, digital camera, digital camera camera and mobile phone.Add the positive input research and development of industry and adopt the production equipment that maximizes, the quality of LCD is improved constantly, and the lasting decline of price, therefore make the application of LCD enlarge rapidly.But, need could produce the function that shows with the light that backlight module provided because the display panels in the LCD is the display panel of non-self-luminosity.
Please refer to Fig. 1, this figure is the fragmentary cross-sectional view of traditional marginal mode backlight module.In Fig. 1, backlight module 10 comprises a light guide plate (light guide plate) 11, one reflection horizon (reflectivesheet) 12, a light source (light source) 13, multilayer optical film (multi-layer optical thin film) 14 and one framework (frame) 15 at least.Light guide plate 11 has a upper surface 11a, a lower surface 11b and a upright side 11c, and upright side 11c connects upper surface 11a and lower surface 11b.Wherein, the material of light guide plate 11 is transparent poly-methyl first acrylate (poly methyl methacrylate, PMMA), its lower surface 11b system forms circle, sexangle or foursquare dot pattern (dotpattern) with screen painting or direct injection, with as making light produce the diffusion point 16 of scattering.Light source 13 is disposed at by the upright side 11c of light guide plate 11, in end face irradiation mode light is imported light guide plate 11 inside, light source 13 can be a cold cathode luminotron (cold cathode fluorescent lamp, CCFL).Reflector plate 12 is disposed under the lower surface 11b of light guide plate 11, in order to light reflected back light guide plate 11 inside, to increase the light utilization rate of backlight module 10.Multilayer optical film 14 is disposed on the upper surface 11a of light guide plate 11, and it is made up of diffusion sheet (diffusing sheet) and prismatic lens (prism sheet) usually, and framework 15 then is used for fixing said modules.
When backlight module 10 was arranged in the LCD, the light that light source 13 sends made the every bit of light guide plate 11 have uniform brightness via another upright lateral ends of scattering method arrival light guide plate 11.But along with the size of LCD is increasing, the size of light guide plate also just relatively increases.This moment is if injected the light of light source according to mode with end again by a upright side of large-size light-conducting plate, the light that it imported will can't successfully arrive another upright side of light guide plate because of oversize (light pass through path long) of light guide plate.Therefore, light guide plate makes LCD can't have uniform brightness producing luminance difference near side of light source and opposite side away from light source.
Please refer to Fig. 2, this figure is the fragmentary cross-sectional view of traditional direct type backlight module.In Fig. 2, backlight module 20 comprises a light guide diffusion board 21, a reflector plate 22, light sources 23, multilayer optical film 24 and framework 25 at least.Light guide diffusion board 21 also has the effect of leaded light, but major function is for spreading light equably.Light guide diffusion board 21 can be that a milky is led optical activity material composition, and light guide diffusion board 21 has a upper surface 21a and a lower surface 21b.Light sources 23 is disposed under the lower surface 21b of light guide diffusion board 21, and light sources 23 can be some cold cathode luminotrons.Reflector plate 22 is disposed under the light sources 23, in order to light reflected back light guide diffusion board 21.Multilayer optical film 24 is disposed on the upper surface 21a of light guide diffusion board 21, and it is made up of diffusion sheet and prismatic lens usually, and framework 25 is fixing said modules then.
Be evenly distributed between light guide diffusion board 21 and the reflector plate 22 because backlight module 20 is several light sources with light sources 23, light should be evenly distributed in the middle of the whole LCD in theory.But because the thickness of light guide diffusion board 21 has only 2 to 4 millimeters (mm) usually, in the process of light via light guide diffusion board 21 derivation, available leaded light path is very short.Therefore part light is difficult is come by scattering equably, cause some zone can produce stronger scattered beam, and some zone does not have light to penetrate.The uniformity coefficient of backlight module 20 thereby variation cause the consumer when viewing and admiring LCD, have tangible light and shade difference on the screen, have a strong impact on visual effect.Therefore, for backlight module 20, must utilize the diffusion sheet in the multilayer optical film 24 that light guide diffusion board 21 emitted light are spread again, make backlight module 20 can obtain light output uniformly.But the shading rate of light guide diffusion board 21 and multilayer optical film 24 is all higher, and this will have a strong impact on the brightness of backlight module 20.
Given this, for the technician of field of liquid crystal, there's no one who doesn't or isn't be devoted to the improvement of backlight module, in the hope of proposing a preferable solution at the shortcoming of traditional backlight module, and then design the preferable backlight module of a kind of uniformity coefficient, to promote the vision taste of consumer for LCD.
Summary of the invention
Given this, the technical problem to be solved in the present invention provides a kind of backlight module that is formed with ink lay on a surface of light guide plate, make light guide plate have the advantage that light spreads, adds lustre to and the light uniformity coefficient is high, by this reducing the diffusion sheet in traditional multilayer optical film and the use of prismatic lens, and improve the brightness of backlight module quality.
The technical scheme that addresses the above problem that the present invention proposes is: backlight module of the present invention comprises light source, light guide plate and ink lay.Light source is in order to provide light, light guide plate has a upper surface, a lower surface are connected upper surface and lower surface with one upright side, upright adjacent light source, side, the upright side of light guide plate receives the light that light source provided, and the light that guiding is received penetrates via upper surface.Ink lay is formed on arbitrary surface of upper surface, lower surface and upright side, after the light of process ink lay is subjected to the diffusion and enhanced shine of ink lay, becomes the light of high evenness.Wherein, above-mentioned ink lay comprises an optical brightener, a polishes and the gorgeous printing ink that disappears at least, and perhaps, this ink lay comprises a pearl essence, a polishes and the gorgeous printing ink that disappears at least.
The technical scheme again that the present invention proposes is: backlight module of the present invention comprises light sources, light guide diffusion board and first ink lay.Light sources is in order to provide light, and light guide diffusion board has a upper surface and a lower surface, the contiguous light sources of lower surface, and the lower surface of light guide diffusion board receives the light that light sources provided, and the light that guiding is received penetrates via upper surface.First ink lay is formed on arbitrary surface of upper surface and lower surface, be subjected to the diffusion and enhanced shine of first ink lay through the light of first ink lay after, become the light of high evenness.First ink lay comprises an optical brightener, a polishes and the gorgeous printing ink that disappears at least, and perhaps, first ink lay comprises a pearl essence, a polishes and the gorgeous printing ink that disappears at least.According to the present invention, also can design one second ink lay, second ink lay is formed on upper surface or the lower surface in the mode relative with first ink lay, and the composition of the composition of second ink lay and first ink lay is same or similar.
Another technical scheme of the present invention is: a kind of light guide plate is provided, this light guide plate has a surface, coating one ink lay on the surface, above-mentioned ink lay comprises an optical brightener, a polishes and the gorgeous printing ink that disappears at least, perhaps comprises a pearl essence, a polishes and the gorgeous printing ink that disappears.After being subjected to the diffusion and enhanced shine of this ink lay through the light of ink lay, and become the light of high evenness.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred implementation cited below particularly, and conjunction with figs. elaborate.
Description of drawings
Fig. 1 is the fragmentary cross-sectional view of traditional marginal mode backlight module;
Fig. 2 is the fragmentary cross-sectional view of traditional direct type backlight module;
Fig. 3 A is the fragmentary cross-sectional view according to the backlight module of first embodiment of the present invention;
Fig. 3 B is for having a fragmentary cross-sectional view that is formed at the backlight module of the ink lay on the lower surface of light guide plate according to of the present invention;
Fig. 3 C is for having a fragmentary cross-sectional view that is formed at the backlight module of the ink lay on the upright side of light guide plate according to of the present invention;
Fig. 4 A is the fragmentary cross-sectional view according to the backlight module of second embodiment of the present invention;
Fig. 4 B is for having a fragmentary cross-sectional view that is formed at the backlight module of the ink lay on the lower surface of light guide diffusion board according to of the present invention;
Fig. 4 C is for having a fragmentary cross-sectional view that is formed at the backlight module of the upper surface of light guide diffusion board and the ink lay on the lower surface according to of the present invention.
The drawing reference numeral explanation
10,20,30,40: backlight module
11,31: light guide plate
11a, 21a, 31a, 41a: upper surface
11b, 21b, 31b, 41b: lower surface
11c, 31c: upright side
12,22,32,42: reflector plate
13,33: light sources
14,24: multilayer optical film
15,25: framework
16: the diffusion point
21,41: light guide diffusion board
23,43: light sources
39a, 39b, 39c, 49a, 49b, 59a, 59b: ink lay
Embodiment
The ink lay that the special design one of the present invention has the light diffusion and the function of adding lustre to after the light of this ink lay of process is subjected to the diffusion and enhanced shine of this ink lay, becomes the light of high evenness on a surface of the light guide plate of a backlight module.By this reducing the diffusion sheet in traditional multilayer optical film and the use of prismatic lens, and improve the brightness of backlight module quality.The practical application example of backlight module of the present invention will be with embodiment one and embodiment two and in conjunction with the accompanying drawings.
Embodiment one
Please refer to Fig. 3 A, this figure is the fragmentary cross-sectional view of the backlight module of embodiments of the present invention one.In Fig. 3 A, backlight module 30 comprises light guide plate 31, reflector plate 32, light source 33 and ink lay 39a at least.Light guide plate 31 has a upper surface 31a, a lower surface 31b are connected upper surface 31a and lower surface 31b with one upright side 31c, and light source 33 is disposed at by the upright side 31c, in order to light to be provided.Light guide plate 31 receives the light that light source 33 is provided with the upright side 31c that is adjacent to light source 33, and the light that guiding is received penetrates via upper surface 31a.Reflector plate 32 is disposed under the lower surface 31b, in order to the light reflected back light guide plate 31 that will be received.
In order to increase the uniformity coefficient of light, the present invention forms an ink lay 39a especially on the upper surface 31a of light guide plate, makes after the diffusion and enhanced shine of the emitted light of upper surface 31a through ink lay 39a, becomes the light of high evenness.
The present invention also can form an ink lay 39b on the lower surface 31b of light guide plate, shown in Fig. 3 B.In addition, the present invention also can form an ink lay 39c on upright side 31c, and shown in Fig. 3 C, above-mentioned that the light that all helps light guide plate 31 to be derived is set is more even.Therefore, the present invention can form an ink lay on arbitrary surface of upper surface 31a, the lower surface 31b of light guide plate 31 and upright side 31c.Wherein, the printing ink series of strata are formed at respectively on upper surface 31a, the lower surface 31b and the arbitrary surface on the upright side 31c of light guide plate 31 with screen painting or coating method.
In addition, the composition of ink lay comprises an optical brightener, a polishes and the gorgeous printing ink that disappears at least, and perhaps, the composition of ink lay comprises a pearl essence, a polishes and the gorgeous printing ink that disappears at least.Wherein, the gorgeous printing ink that disappears for example is the gorgeous white ink that disappears.In addition, the above-mentioned gorgeous white ink that disappears for example is the gorgeous white ink that disappears of long rapids (Nagase) Nagase that company produced of Japan.
Embodiment two
Please refer to Fig. 4 A, this figure is the fragmentary cross-sectional view of the backlight module of embodiments of the present invention two.In Fig. 4 A, backlight module 40 comprises light guide diffusion board 41, reflector plate 42, light sources 43 and ink lay 49a at least.Light guide diffusion board 41 has a upper surface 41a and a lower surface 41b, and light sources 43 is disposed under the lower surface 41b.Light guide diffusion board 41 receives the light that light sources 43 is provided with the lower surface 41b that is adjacent to light sources 43, and the light that guiding is received penetrates via upper surface 41a.Wherein, light sources 43 for example comprises several cold cathode luminotrons (cold cathode fluorescent lamp, CCFL), the light that these cold cathode luminotrons are provided will be entered in the light guide diffusion board 41 by the lower surface 41b of light guide diffusion board.Reflector plate 42 is disposed under the light sources 43, in order to the light reflected back light guide diffusion board 41 that will be received.
In order to increase the uniformity coefficient of light, the present invention forms an ink lay 49a especially on upper surface 41a, makes after the diffusion and enhanced shine of the emitted light of upper surface 41a through ink lay 49a, becomes the light of high evenness.
The present invention also can form an ink lay 49b on lower surface 41b, shown in Fig. 4 B.In addition, ink lay 59a and 59b also can relative mode be formed on the upper surface 41a and lower surface 41b of light guide diffusion board 41, and shown in Fig. 4 C, above-mentioned that the light that all helps light guide diffusion board 41 is derived is set is more even.Therefore, the present invention can form ink lay on the arbitrary surface or two surfaces of the upper surface 41a of light guide diffusion board 41 and lower surface 41b.Wherein, the printing ink series of strata are formed at respectively on the arbitrary surface or two surfaces of the upper surface 41a of light guide diffusion board 41 and lower surface 41b with screen painting or coating method.
In addition, the composition of ink lay comprises an optical brightener, a polishes and the gorgeous printing ink that disappears at least, and perhaps, the composition of ink lay comprises a pearl essence, a polishes and the gorgeous printing ink that disappears at least.Wherein, the gorgeous printing ink that disappears for example is the gorgeous white ink that disappears.In addition, the above-mentioned gorgeous white ink that disappears for example is the gorgeous white ink that disappears of long rapids (Nagase) Nagase that company produced of Japan.
It should be noted that in Fig. 4 C, the composition of ink lay 59a and 59b can be same or similar.For example, ink lay 59a and 59b all comprise an optical brightener, a polishes and the gorgeous printing ink that disappears, and perhaps, ink lay 59a and 59b all comprise a pearl essence, a polishes and the gorgeous printing ink that disappears.In addition, also can be that the ink lay of ink lay 59a and 59b comprises an optical brightener, a polishes and the gorgeous printing ink that disappears, and another ink lay of ink lay 59a and 59b comprise a pearl essence, a polishes and the gorgeous printing ink that disappears.
The backlight module that the above-mentioned embodiment of the present invention is disclosed, it forms ink lay in a lip-deep design of light guide plate, make light guide plate have light diffusion, add lustre to and the advantage of high light line uniformity coefficient, by this reducing the diffusion sheet in traditional multilayer optical film and the use of prismatic lens, and improve the brightness of backlight module quality.
In sum; though the present invention discloses as above with preferred implementation; right its is not in order to limit the present invention; any those of ordinary skill in the art; under the situation that does not break away from design of the present invention and scope; can carry out various changes and retouching, so protection scope of the present invention should be as the criterion with accompanying claims scope required for protection.
Claims (26)
1. backlight module comprises at least:
One light source is in order to provide light;
One light guide plate, have a upper surface, a lower surface and be connected the upright side of this upper surface and this lower surface with one, this adjacent light source, upright side, above-mentioned light guide plate receives the light that light source was provided with upright side, and the light that guiding is received penetrates via above-mentioned upper surface; And
One ink lay, system is formed on arbitrary surface of above-mentioned upper surface, lower surface and upright side, this ink lay comprises an optical brightener, a polishes and the gorgeous printing ink that disappears at least, after the light of this ink lay of process is subjected to the diffusion and enhanced shine of this ink lay, becomes the light of high evenness.
2. backlight module as claimed in claim 1, the wherein above-mentioned gorgeous printing ink that disappears are a gorgeous white ink that disappears.
3. backlight module as claimed in claim 1, wherein above-mentioned printing ink series of strata are formed in the screen painting mode on arbitrary surface of upper surface, lower surface and upright side of above-mentioned light guide plate.
4. backlight module as claimed in claim 1, wherein this backlight module also comprises:
One reflector plate is disposed under the lower surface of this light guide plate, in order to the above-mentioned light guide plate of light reflected back.
5. backlight module comprises at least:
One light source is in order to provide light;
One light guide plate, have a upper surface, a lower surface and be connected the upright side of this upper surface and lower surface with one, this adjacent light source, upright side, above-mentioned light guide plate are to receive the light that light source was provided with upright side, and the light that guiding is received penetrates via upper surface; And
One ink lay, system is formed on arbitrary surface of above-mentioned upper surface, lower surface and upright side, this ink lay comprises a pearl essence, a polishes and the gorgeous printing ink that disappears at least, after the light system of this ink lay of process is subjected to the diffusion and enhanced shine of this ink lay, becomes the light of high evenness.
6. backlight module as claimed in claim 5, the wherein above-mentioned gorgeous printing ink that disappears are a gorgeous white ink that disappears.
7. backlight module as claimed in claim 5, wherein above-mentioned printing ink series of strata are formed in the screen painting mode on arbitrary surface of upper surface, lower surface and upright side of above-mentioned light guide plate.
8. backlight module as claimed in claim 5, wherein this backlight module also comprises:
One reflector plate is disposed under the lower surface of above-mentioned light guide plate, in order to the above-mentioned light guide plate of light reflected back.
9. backlight module comprises at least:
One light sources is in order to provide light;
One light guide diffusion board has a upper surface and a lower surface, the contiguous light sources of this lower surface, and above-mentioned light guide diffusion board is to receive the light that light sources was provided with above-mentioned lower surface, and the light that guiding is received penetrates via upper surface; And
One first ink lay, system is formed on arbitrary surface of above-mentioned upper surface and lower surface, this first ink lay comprises an optical brightener, a polishes and the gorgeous printing ink that disappears at least, after the light of this first ink lay of process is subjected to the diffusion and enhanced shine of this first ink lay, becomes the light of high evenness.
10. backlight module as claimed in claim 9, the wherein above-mentioned gorgeous printing ink that disappears are a gorgeous white ink that disappears.
11. backlight module as claimed in claim 9, the wherein above-mentioned first printing ink series of strata are formed on arbitrary surface of the upper surface of above-mentioned light guide diffusion board and lower surface in the screen painting mode.
12. backlight module as claimed in claim 9, wherein above-mentioned light sources comprises some cold cathode luminotrons, above-mentioned cold cathode luminotron is disposed at above-mentioned leaded light and expands under the lower surface of scatter plate, and the light that these cold cathode luminotrons are provided is entered in the above-mentioned light guide diffusion board by above-mentioned lower surface.
13. backlight module as claimed in claim 9, wherein this backlight module also comprises:
One reflector plate is to be disposed under the above-mentioned light sources, in order to the above-mentioned light guide diffusion board of light reflected back.
14. backlight module as claimed in claim 9, wherein this backlight module also comprises:
One second ink lay is to be formed on above-mentioned upper surface or the lower surface in the mode relative with above-mentioned first ink lay, and the composition of the composition of second ink lay and above-mentioned first ink lay is same or similar.
15. a backlight module comprises at least:
One light sources is in order to provide light;
One light guide diffusion board has a upper surface and a lower surface, the contiguous light sources of above-mentioned lower surface, and this light guide diffusion board receives the light that light sources was provided with its lower surface, and the light that guiding is received penetrates via upper surface; And
One first ink lay, system is formed on arbitrary surface of above-mentioned upper surface and lower surface, this first ink lay comprises a pearl essence, a polishes and the gorgeous printing ink that disappears at least, after the light of this first ink lay of process is subjected to the diffusion and enhanced shine of this first ink lay, becomes the light of high evenness.
16. backlight module as claimed in claim 15, the wherein above-mentioned gorgeous printing ink that disappears are a gorgeous white ink that disappears.
17. backlight module as claimed in claim 15, the wherein above-mentioned first printing ink series of strata are formed on arbitrary surface of the upper surface of above-mentioned light guide diffusion board and lower surface in the screen painting mode.
18. backlight module as claimed in claim 15, wherein above-mentioned light sources comprises some cold cathode luminotrons, and these cold cathode luminotrons are disposed under the lower surface of above-mentioned light guide diffusion board, and the light that these cold cathode luminotrons are provided is entered in the light guide diffusion board by above-mentioned lower surface.
19. backlight module as claimed in claim 15, wherein this backlight module also comprises:
One reflector plate is to be disposed under the above-mentioned light sources, in order to the above-mentioned light guide diffusion board of light reflected back.
20. backlight module as claimed in claim 15, wherein this backlight module also comprises:
One second ink lay is to be formed on above-mentioned upper surface or the lower surface in the mode relative with above-mentioned first ink lay, and the composition of the composition of second ink lay and first ink lay is same or similar.
21. light guide plate, have a surface, coating one ink lay on this surface, this ink lay comprises an optical brightener, a polishes and the gorgeous printing ink that disappears at least, after the light of this ink lay of process is subjected to the diffusion and enhanced shine of this ink lay, become the light of high evenness.
22. light guide plate as claimed in claim 21, wherein above-mentioned printing ink series of strata are formed on its surface in the screen painting mode.
23. light guide plate as claimed in claim 21, the wherein above-mentioned gorgeous printing ink that disappears are a gorgeous white ink that disappears.
24. light guide plate, have a surface, coating one ink lay on this surface, this ink lay comprises a pearl essence, a polishes and the gorgeous printing ink that disappears at least, after the light of this ink lay of process is subjected to the diffusion and enhanced shine of this ink lay, become the light of high evenness.
25. light guide plate as claimed in claim 24, wherein above-mentioned printing ink series of strata are formed on its surface in the screen painting mode.
26. light guide plate as claimed in claim 24, the wherein above-mentioned gorgeous printing ink that disappears are a gorgeous white ink that disappears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031382185A CN1553259A (en) | 2003-05-27 | 2003-05-27 | Light negative module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031382185A CN1553259A (en) | 2003-05-27 | 2003-05-27 | Light negative module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1553259A true CN1553259A (en) | 2004-12-08 |
Family
ID=34323674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031382185A Pending CN1553259A (en) | 2003-05-27 | 2003-05-27 | Light negative module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1553259A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003317A1 (en) * | 2007-07-04 | 2009-01-08 | Dongguan Memtech Electronic Products Co., Ltd | Printed ultra thin light guiding plate |
| CN102382505A (en) * | 2010-09-01 | 2012-03-21 | 奇美实业股份有限公司 | Ink composition for forming patterns, light guide plate, luminous unit and liquid crystal display assembly provided with luminous unit |
| CN102520549A (en) * | 2011-10-24 | 2012-06-27 | 友达光电股份有限公司 | Transparent display |
| CN102588894A (en) * | 2012-03-07 | 2012-07-18 | 昆山翰辉电子科技有限公司 | Light guide diffusion plate |
| CN102618115A (en) * | 2011-01-31 | 2012-08-01 | 住友化学株式会社 | Ultraviolet curing type ink-jet for light guide plate, and light guide plate using the same |
| CN102734693A (en) * | 2011-04-12 | 2012-10-17 | 奇菱科技股份有限公司 | Light-emitting device |
| CN102866454A (en) * | 2012-09-24 | 2013-01-09 | 深圳市汇晨电子有限公司 | Integrated light guide plate with light diffusion function |
| CN103104822A (en) * | 2011-11-15 | 2013-05-15 | 敦南科技（无锡）有限公司 | Illuminant assembly |
| CN111853604A (en) * | 2020-07-28 | 2020-10-30 | Tcl通力电子（惠州）有限公司 | Light guide member and electronic apparatus |
-
2003
- 2003-05-27 CN CNA031382185A patent/CN1553259A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003317A1 (en) * | 2007-07-04 | 2009-01-08 | Dongguan Memtech Electronic Products Co., Ltd | Printed ultra thin light guiding plate |
| CN102382505A (en) * | 2010-09-01 | 2012-03-21 | 奇美实业股份有限公司 | Ink composition for forming patterns, light guide plate, luminous unit and liquid crystal display assembly provided with luminous unit |
| CN102382505B (en) * | 2010-09-01 | 2014-12-10 | 奇美实业股份有限公司 | Ink composition for forming patterns, light guide plate, luminous unit and liquid crystal display assembly provided with luminous unit |
| CN102618115A (en) * | 2011-01-31 | 2012-08-01 | 住友化学株式会社 | Ultraviolet curing type ink-jet for light guide plate, and light guide plate using the same |
| CN102734693A (en) * | 2011-04-12 | 2012-10-17 | 奇菱科技股份有限公司 | Light-emitting device |
| CN102520549A (en) * | 2011-10-24 | 2012-06-27 | 友达光电股份有限公司 | Transparent display |
| CN102520549B (en) * | 2011-10-24 | 2015-06-10 | 友达光电股份有限公司 | Transparent display |
| CN103104822A (en) * | 2011-11-15 | 2013-05-15 | 敦南科技（无锡）有限公司 | Illuminant assembly |
| CN103104822B (en) * | 2011-11-15 | 2016-01-20 | 敦南科技（无锡）有限公司 | A kind of light source assembly |
| CN102588894A (en) * | 2012-03-07 | 2012-07-18 | 昆山翰辉电子科技有限公司 | Light guide diffusion plate |
| CN102866454A (en) * | 2012-09-24 | 2013-01-09 | 深圳市汇晨电子有限公司 | Integrated light guide plate with light diffusion function |
| CN111853604A (en) * | 2020-07-28 | 2020-10-30 | Tcl通力电子（惠州）有限公司 | Light guide member and electronic apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100445827C (en) | Light-conducting board and backlight mould set | |
| CN100370329C (en) | Light conducting plate and back light module | |
| US8045092B2 (en) | Multifunctional optical sheet and liquid crystal display device including the same | |
| CN100367093C (en) | Backlight unit and liquid crystal display device using the same | |
| CN201651946U (en) | Backlight module and liquid crystal display | |
| CN101498810B (en) | Light conducting plate and backlight module employing the same | |
| KR20130102105A (en) | Optical diffusion film and liquid crystal display backlight source using the same | |
| CN1769972A (en) | Backlight assembly improving light efficiency and display device provided with the same | |
| CN101675296A (en) | Illuminating device, and liquid crystal display device | |
| CN101680635B (en) | Light guide unit, illuminating device and liquid crystal display device | |
| CN1265277C (en) | Background module set of thin film liquid crystal display device | |
| JP2010170897A (en) | Edge light partial drive backlight unit, and liquid crystal display device | |
| CN106681052A (en) | Backlight module and display device | |
| CN1553259A (en) | Light negative module | |
| CN202469747U (en) | Sidelight-type backlight module and display device | |
| CN1183410C (en) | Improvement method for arca source of LED | |
| CN100437154C (en) | Light source diffusion plate and backlight module | |
| CN2696006Y (en) | Structure of light modulation element | |
| CN105353445A (en) | PMMA light guide plate with single-side microstructure and light output micro prism structure | |
| CN1482498A (en) | Back light module for liquid crystal display | |
| CN1837917A (en) | Electro-optical device, electronic apparatus, and illuminating device | |
| CN202158495U (en) | Moire-interference-reducing optical sheet, backlight module and liquid crystal display device | |
| CN102563466A (en) | Backlight module and display device | |
| CN1570722A (en) | Directly-down backlight module | |
| CN2736798Y (en) | Light guide plate and backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |