CN100376033C - Full-color display panel and light splitting substrate thereof - Google Patents
Full-color display panel and light splitting substrate thereof Download PDFInfo
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- CN100376033C CN100376033C CNB031787711A CN03178771A CN100376033C CN 100376033 C CN100376033 C CN 100376033C CN B031787711 A CNB031787711 A CN B031787711A CN 03178771 A CN03178771 A CN 03178771A CN 100376033 C CN100376033 C CN 100376033C
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Abstract
The present invention discloses a full color display panel which comprises an organic luminous zone, a white light spectrum modulating layer, a light filtering layer and a transparent base plate, wherein the organic luminous zone has a plurality of pixels emitting whit light; the white light spectrum modulating layer comprises a transparent protective medium. The protective medium is doped with a fluorescence and / or phosphorus substance. The light filtering layer is composed of a plurality of light filtering sheets surrounded by a light shading frame. The light filtering layer is formed on the transparent base plate. The white light spectrum modulating layer is formed on the light filtering layer. The organic luminous zone is positioned on the white light spectrum modulating layer.
Description
Technical field
The present invention refers in particular to a kind of full-color display floater and spectrophotometric substrate thereof with white light spectrum modulation layer about a kind of full-color display floater and spectrophotometric substrate thereof.
Background technology
At present the full-colorization technology mainly used of organic light emitting display can be divided into three kinds: first kind of employing red (R), green (G), blue (B) three primary colors are " the three primary colors luminescent layer method " of luminous pixel independently separately, second kind is utilized blue material to cooperate red, green organic fluorescent to produce versicolor " look mapped structure method ", the third is below put up with " look mapped structure method " and is illustrated with white luminous layer collocation colored filter " colored filter method ".
The technology of look mapped structure method serves as the representative of main development with the emerging product of bright dipping company, and as shown in Figure 1, full-color display floater 3 comprises an organic luminous zone 31, a planarization layer 32, a color converting layer 33, a glass substrate 34 and involution lid 35; Organic luminous zone 31 is formed on the planarization layer 32, and planarization layer 32 is formed on the color converting layer 33, and color converting layer 33 is formed on the glass substrate 34, and involution lid 35 engages with one second electrode 313 in the organic luminous zone 31.Wherein, one first electrode 311, an organic functional layer 312 and second electrode 313 in the organic luminous zone 31, it is formed on the planarization layer 32 in regular turn, and organic functional layer 312 is a blue light material, makes organic luminous zone 31 launch a blue light; Color converting layer 33 have several blue color filters 331, several green color filters 332, several Red lightscreening plates 333, several green conversion films 332 ' and several red conversion film 333 ', these green conversion films 332 ' with these red conversion film 333 ' be formed at respectively on these green color filters 332 and these Red lightscreening plates 333, and the pixel that corresponds respectively in the organic luminous zone 31 of these filters 331,332 and 333.
In this, the blue light that organic luminous zone 31 is launched is respectively by green conversion film 332 ' and red conversion film 333 ' convert to green glow and ruddiness, then green glow and ruddiness are more respectively by green color filter 332 and Red lightscreening plate 333, use and promote green with red other color contrast value, the blue light that while organic luminous zone 31 is launched utilizes drive circuit that R, G, the B three primary colors that produce are combined into required full-color picture also simultaneously by blue color filter 331 at last.
Yet, in existing full-color display floater 3, since need to utilize the light shield processing procedure at least three roads on green color filter 332 and Red lightscreening plate 333, form respectively green and red double-colored look conversion film 332 ' with 333 ', its processing procedure is complexity comparatively, cost is also higher.Simultaneously, because full-color display floater 3 must utilize planarization layer 32 so that the whole front panel planarization, make the thickness thickening of whole front panel also not meet light, thin, short, little trend.
The inventor urgently thinks a kind of " the full-color display floater and spectrophotometric substrate thereof " that can solve this problem of development in line with the spirit of innovation, and several times research experiment is eventually to finishing the present invention.
Summary of the invention
Because above-mentioned problem, purpose of the present invention provides a kind of full-color display floater and spectrophotometric substrate thereof that need not use planarization layer and not need to use respectively the look conversion film of Red.
Thus, for reaching above-mentioned purpose, according to a kind of full-color display floater of the present invention, comprise an organic luminous zone, a white light spectrum modulation layer, a filter layer and a transparency carrier, wherein, organic luminous zone has the pixel of several emission white lights; White light spectrum modulation layer comprises a transparent protective medium, protective medium mix a fluorescence and/or a phosphorus; Filter layer is made of by the filter that a masking frame centers on several; Filter layer is formed on the transparency carrier, and white light spectrum modulation layer is formed on the filter layer, and organic luminous zone is positioned on the white light spectrum modulation layer.
For reaching above-mentioned purpose, according to a kind of spectrophotometric substrate of the present invention, comprise a white light spectrum modulation layer, a filter layer and a transparency carrier, wherein, white light spectrum modulation layer comprises a transparent protective medium, protective medium mix a fluorescence and/or a phosphorus; Filter layer is made of by the filter that a masking frame centers on several; Filter layer is formed on the transparency carrier, and white light spectrum modulation layer is formed on the filter layer.
From the above, a kind of full-color display floater of the present invention and spectrophotometric substrate thereof are provided with a white light spectrum modulation layer, it utilizes from the optical spectrum modulating layer and improves the white light purity and lifting luminous efficiency that organic luminous zone is launched, using provides an even and wideband spectral radiance frequency spectrum, and then avoid forming the frequency spectrum that particular orientation is pointed to, to satisfy the application of full-color display.Compared with prior art, because the present invention need not use planarization layer, so simplified the modular construction of full-color display floater originally, also can reduce simultaneously the thickness of panel, moreover, owing to need not utilize the light shield processing procedure to form the look conversion film of Red respectively, can reduce manufacturing step and manufacturing cost, also can promote process rate simultaneously.In addition, owing to be not subjected to restriction red, blue, the green conversion membrane area, the visual angle of panel also can increase.
Description of drawings
Fig. 1 is a schematic diagram of the full-color display floater of prior art;
Fig. 2 is a schematic diagram of the full-color display floater in the first embodiment of the invention;
Fig. 3 is another schematic diagram of the full-color display floater in the first embodiment of the invention;
Fig. 4 is the another schematic diagram of the full-color display floater in the first embodiment of the invention; And
Fig. 5 A, Fig. 5 B and Fig. 5 C are one group of schematic diagram of the spectrophotometric substrate in the second embodiment of the invention.
Symbol description among the figure:
1 full-color display floater
11 organic luminous zone
111 first electrodes
112 organic functional layers
113 second electrodes
12 white light spectrum modulation layers
13 filter layers
131 masking frames
132 filters
1321 Red lightscreening plates
1322 blue color filters
1323 green color filters
14 transparency carriers
15 cover plates
16 insulating barriers
17 pixel defining layer
18 separators
2 spectrophotometric substrates
21 white light spectrum modulation layers
22 filter layers
221 masking frames
222 filters
23 transparency carriers
3 full-color display floaters
31 organic luminous zone
311 first electrodes
312 organic functional layers
313 second electrodes
32 planarization layers
33 color converting layers
331 blue color filters
332 green color filters
332 ' green conversion film
333 Red lightscreening plates
333 ' red conversion film
34 glass substrates
35 involutions lid
Embodiment
Hereinafter with reference to relevant drawings, full-color display floater and spectrophotometric substrate thereof according to preferred embodiment of the present invention are described.
As shown in Figure 2, according to a kind of full-color display floater 1 of first embodiment of the invention, comprise an organic luminous zone 11, a white light spectrum modulation layer 12, a filter layer 13 and a transparency carrier 14, wherein, organic luminous zone 11 has the pixel of several emission white lights; White light spectrum modulation layer 12 comprises a transparent protective medium, protective medium mix a fluorescence and/or a phosphorus; Filter layer 13 is made of by the filter 132 that a masking frame 131 centers on several; Filter layer 13 is formed on the transparency carrier 14, and white light spectrum modulation layer 12 is formed on the filter layer 13, and organic luminous zone 11 is positioned on the white light spectrum modulation layer 12.
Please refer to Fig. 2, organic luminous zone 11 has the pixel of several emission white lights, these pixels have one first electrode 111, an organic functional layer 112 and one second electrode 113, first electrode 111 is formed on the white light spectrum modulation layer 12, second electrode 113 is formed on first electrode 111, and organic functional layer 112 is between first electrode 111 and second electrode 113.
Wherein, first electrode 111 can utilize sputter (sputtering) mode or ion plating (ionplathlg) mode is formed on the white light spectrum modulation layer 12.At this, first electrode 111 is generally a transparent conductive metal oxide as anode and its material usually, for example tin indium oxide (ITO), aluminum zinc oxide (AZO) or indium zinc oxide (IZO).
In addition, organic functional layer 112 is formed on first electrode 111, and wherein, organic functional layer 112 comprises a hole injection layer, a hole transport layer, an organic luminous layer, an electron transfer layer and an electron injecting layer (not shown) usually.The main material of hole injection layer is copper phthalocyanine (CuPc), the material of hole transmission layer is mainly 4,4 '-bis[N-(l-naphthyl)-N-phenylamino] biphenyl (NPB), the material of electron injecting layer is mainly lithium fluoride (LiF), the material of electron transfer layer is mainly tris (8-quinolinato-N1,08)-and aluminum (Alq), and organic functional layer 112 utilizes evaporation (evaporation), rotary coating (spin coating), ink jet printing (inkjet printing) or the printing modes such as (printing) be formed on first electrode 111.At this, the light that organic functional layer 112 is launched is the wideband white light, and it can be to utilize the blue complementary luminescent material of the collocation of orange for example to mix, and also can utilize other complementary luminescent material to mix certainly.
Moreover second electrode 113 is formed on the organic functional layer 112, and in this, second electrode 113 uses evaporation or sputter methods such as (sputtering) is formed on organic palace ergosphere 112.In addition, the material of second electrode 113 can be metal or metal alloy such as aluminium, calcium or magnesium silver.Certainly, the material of second electrode 113 also can be aluminium/lithium fluoride or silver.
Please refer to Fig. 2 again, white light spectrum modulation layer 12 is formed on the filter layer 13, and white light spectrum modulation layer 12 comprises a transparent protective medium, protective medium mix a fluorescence and/or a phosphorus.White light spectrum modulation layer 12 is by mixed light, the scattering of fluorescent material and/or phosphorus and excite, promote luminous efficiency, improve the purity of the white light of organic luminous zone 11 emission, using provides one evenly and the spectral radiance frequency spectrum of wideband, avoid forming the frequency spectrum that particular orientation is pointed to, and then satisfy the demand of full-color display floater.In addition, white light spectrum modulation layer 12 is the complanation structure of an individual layer, and a planarization effect also is provided simultaneously.
Wherein, the material of protective medium can be selected from but be not defined as the polymethyl methyl esters (Polymethylmethacrylate, PMMA), polyhexafluoropropylene resin (Tetrafluoroethyleneresine), silicones (Silicon resine) and silicon dioxide or the like.
In addition, protective medium can be used for protecting first electrode 111 and second electrode 113, and because protective medium can have stickiness, can be in order to the cover plate 15 of fitting, that is can not need to coat involution glue in addition and just can encapsulate.In addition, protective medium also can have water proofing property, and protective medium can form a packaging body with the protective layer (not being shown in figure) of cover plate 15 or organic luminous zone 11, prevents that organic luminous zone 11 is subjected to the influence of aqueous vapor or oxygen.
In present embodiment, fluorescent material can be to be mixed by red fluorescence powder, green fluorescence powder and/or blue-fluorescence powder; Phosphorus can be by red phosphorescent powder, green phosphorescent powder with and/or the blue phosphorescent powder mix.
In addition, fluorescent material can comprise more than one organic dyestuff or more than one inorganic pigment.At this, the red fluorescence powder can be azo dyes (organic dyestuff) or Y
2O
2S:Eu
3+, Bi
3+(inorganic pigment); The green fluorescence powder can be blue or green dyestuff (CuPc, organic dyestuff) of copper titanium or SrGa
2O
4: Eu
2+(inorganic pigment); The blue-fluorescence powder can be cyanine dye (Cyanine dye, organic dyestuff) or SrGa
2S
4: Eu
2+(inorganic pigment) or the like.In present embodiment, fluorescent material can be nanometer grade powder.
In addition, phosphorus can comprise more than one organic dyestuff or more than one inorganic pigment.At this, the red phosphorescent powder can be 2,3,7,8,12,13,17,18-octaethyl-12H, 23H-porphizm platinum (II) [PtOEP] or Tris-(4,4,4-trifluoro-1-(2-thienyl)-1,3-butanediono)-1,10-phenanthroline europium (III)
[Eu (TTA) 3phen]; The green phosphorescent powder can be Bis (2-phenyl-pyddinato-N, C2) iridium (acetylacetone)
[ppy2Ir (acac)] or Iridium (III) bis (tolypyridine) is salicyclidene
[tpyIrsd]; The blue phosphorescent powder can be Iridium-bis (4,6-di-fluorophenyl-pyridinato-N, C2)-picolinate
[Firpic] or Bis[(4,6-dinuorophenyl-pyridinato-N, C2) iridium (acetylacetone)
[Fir (acac)] or the like.In present embodiment, phosphorus can be nanometer grade powder.
Please refer to Fig. 2 again, the filter layer 13 of present embodiment is made of by the filter 132 that masking frame 131 centers on several. wherein, masking frame 131 can be a black box, the phenomenon of mixing takes place in order to the light of avoiding different colours, certainly, masking frame 131 can also be a reflective metal, in order to the direct of travel of control light, the availability and the uniformity of increase light.In addition, masking frame 131 also can be based in the white light spectrum modulation layer 12, as shown in Figure 3.
Moreover these filters 132 comprise at least one Red lightscreening plate 1321, at least one blue color filter 1322 and at least one green color filter 1323.In present embodiment, the high-purity white light that is produced by white light spectrum modulation layer 12 forms ruddiness, blue light and green glows individually through Red lightscreening plate 1321, blue color filter 1322 and green color filter 1323 backs respectively.
Please refer to Fig. 2 again, the transparency carrier 14 of present embodiment can be a flexibility (fIexibie) substrate or a rigidity (rigid) substrate.Simultaneously, transparency carrier 14 can also be plastics (plastic) substrate or a glass substrate.Wherein, flexible base, board and plastic base can be a Merlon (polycarbonate, PC) substrate, a polyester (polyester, PET) substrate, a cyclenes copolymer (cyclic olefincopolymer, COC) plate or a crome metal compound base material one cyclenes copolymer (metallocene-basedcyclic dean copolymer, mCOC) substrate.
Please refer to Fig. 2 again, the full-color display floater 1 of present embodiment more comprises an insulating barrier 16, and it forms short circuit in order to avoid metal to produce the essence contact between white light spectrum modulation layer 12 and organic luminous zone 11.At this, insulating barrier 16 is a transparency material, and can be organic compound or inorganic compound.
In addition, present embodiment full-color display floater 1 more comprise a pixel defining layer 17, it is positioned at around first electrode 111, pixel in order to definition organic luminous zone 11 has black shading or reflective effect simultaneously, can avoid different pixels to produce mixed light, and and the direct of travel of control light and the availability and the uniformity that increases light, in present embodiment, the masking frame 131 that is based in white light spectrum modulation layer 12 also can be connected with pixel defining layer 17, as shown in Figure 3.Masking frame 131 can be combined as a whole masking frame 131 and pixel defining layer 17, to have the function of masking frame and pixel defining layer simultaneously according to actual needs again.
In addition, present embodiment full-color display floater 1 more comprise a separator 18, it is formed on the pixel defining layer 17, in order to isolate the individual pixel in the organic luminous zone 11.At this, separator 18 is made of the megohmite insulant of top width greater than bottom width.
Usually, separator 18 is arranged at the full-color display floater of passive type (passive organic light-emitting display, PMOLED) in, be used for separating the negative electrode between the pixel, to simplify processing procedure, in addition, active full-color display floater (active organic light-emitting display, AMOLED) in because pixel controlled by thin-film transistor, so do not need separator 18, as shown in Figure 4.
Moreover, present embodiment full-color display floater 1 more comprise one drive circuit (not being shown among the figure), this drive circuit can be passive type drive circuit or active drive circuit, it is connected with organic luminous zone 11 and power supply (not being shown among the figure).
Please refer to Fig. 5 A again, second embodiment of the invention also provides a kind of spectrophotometric substrate 2, comprises a white light spectrum modulation layer 21, a filter layer 22 and a transparency carrier 23, wherein, white light spectrum modulation layer 21 comprises a transparent protective medium, and protective medium is doped with a fluorescence and/or a phosphorus; Filter layer 22 is made of by the filter 222 that a masking frame 221 centers on several; Filter layer 22 is formed on the transparency carrier 23, and white light spectrum modulation layer 21 is formed on the filter layer 22.
In addition, shown in Fig. 5 B and Fig. 5 C, masking frame 221 also can be based among the white light spectrum modulation layer 21.
Same components among the assembly in the present embodiment and first embodiment, its feature and function are all identical, do not repeat them here.
A kind of full-color display floater of the present invention and spectrophotometric substrate thereof are provided with a white light spectrum modulation layer, it utilizes white light spectrum modulation layer to improve white light purity and lifting luminous efficiency that organic luminous zone is launched, using provides an even and wideband light radiation frequency spectrum, and then avoid forming the frequency spectrum that particular orientation is pointed to, to satisfy the application of full-color display.Compared with prior art, because the present invention need not use planarization layer,, also can reduce the thickness of panel simultaneously so simplified the modular construction of full-color display floater originally.Moreover, owing to need not utilize the light shield processing procedure to form the look conversion film of Red respectively, can reduce manufacturing step and manufacturing cost, also can promote process rate simultaneously.In addition, owing to be not subjected to restriction red, blue, the green conversion membrane area, the visual angle of panel also can increase.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the described claim scope its equivalent modifications of carrying out or change.
Claims (22)
1. a full-color display floater is characterized in that, comprises:
One organic luminous zone, it has the pixel of several emission white lights;
One white light spectrum modulation layer comprises a transparent protective medium, this protective medium mix a fluorescence and/or a phosphorus;
One filter layer is made of by the filter that a masking frame centers on several; And
One transparency carrier, this filter layer are formed on this transparency carrier, should
The optical spectrum modulating layer is formed on this filter layer, and this organic luminous zone is positioned on this white light spectrum modulation layer.
2. full-color display floater as claimed in claim 1 is characterized in that, more comprises an insulating barrier, and it is between this white light spectrum modulation layer and this organic luminous zone.
3. full-color display floater as claimed in claim 1, it is characterized in that, these several the emission white light pixel have one first electrode, an organic functional layer and one second electrode respectively, this first electrode is formed on this white light spectrum modulation layer, this second electrode is formed on this first electrode, and this organic functional layer is between this first electrode and this second electrode.
4. full-color display floater as claimed in claim 3 is characterized in that more comprising a pixel defining layer, and it is positioned on this first electrode and/or this transparency carrier, in order to define this organic luminous zone these several the emission white light pixel.
5. full-color display floater as claimed in claim 4 is characterized in that, more comprises a separator, be formed on this pixel defining layer,
6. full-color display floater as claimed in claim 1 is characterized in that, this several filter of being centered on by a masking frame is corresponding to the pixel of this several emission white light of this organic luminous zone.
7. full-color display floater as claimed in claim 1 is characterized in that, the material of this protective medium be selected from least polymethyl methyl esters, polyhexafluoropropylene resin, silicones and silicon dioxide one of them.
8. full-color display floater as claimed in claim 1 is characterized in that this protective medium has stickiness or water proofing property, in order to the cover plate of fitting.
9. full-color display floater as claimed in claim 1, it is characterized in that, this fluorescent material is mixed by red fluorescence powder, green fluorescence powder and/or blue-fluorescence powder, this phosphorus by red phosphorescent powder, green phosphorescent powder with and/or the blue phosphorescent powder mix.
10. full-color display floater as claimed in claim 1 is characterized in that, this fluorescent material and/or this phosphorus are nanoscale fluorescent powder and/or nanoscale phosphorescence powder.
11. full-color display floater as claimed in claim 1 is characterized in that, this masking frame is based among this white light spectrum modulation layer.
12. full-color display floater as claimed in claim 1 is characterized in that, these several filter that centered on by a masking frame comprises at least one Red lightscreening plate, at least one blue color filter and at least one green color filter.
13. full-color display floater as claimed in claim 1 is characterized in that, this transparency carrier be selected from least flexible base, board, rigid substrates, plastic base and glass substrate one of them.
14. a spectrophotometric substrate is characterized in that, comprises:
One white light spectrum modulation layer comprises a transparent protective medium, this protective medium mix a fluorescence and/or a phosphorus;
One filter layer is made of by the filter that a masking frame centers on several; And
One transparency carrier, this filter layer are formed on this transparency carrier, and this white light spectrum modulation layer is formed on this filter layer.
15. spectrophotometric substrate as claimed in claim 14 is characterized in that, more comprises an insulating barrier, it is positioned on this white light spectrum modulation layer.
16. spectrophotometric substrate as claimed in claim 14 is characterized in that, the material of this protective medium be selected from least polymethyl methyl esters, polyhexafluoropropylene resin, silicones and silicon dioxide one of them.
17. spectrophotometric substrate as claimed in claim 14 is characterized in that, this protective medium has stickiness or water proofing property, in order to the cover plate of fitting.
18. spectrophotometric substrate as claimed in claim 14, it is characterized in that, this fluorescent material is mixed by red fluorescence powder, green fluorescence powder and/or blue-fluorescence powder, this phosphorus by red phosphorescent powder, green phosphorescent powder with and/or the blue phosphorescent powder mix.
19. spectrophotometric substrate as claimed in claim 14 is characterized in that, this fluorescent material and/or this phosphorus are nanoscale fluorescent powder and/or nanoscale phosphorescence powder.
20. spectrophotometric substrate as claimed in claim 14 is characterized in that, this masking frame is based among this white light spectrum modulation layer.
21. spectrophotometric substrate as claimed in claim 14 is characterized in that these several filter that centered on by a masking frame comprises at least one Red lightscreening plate, at least one blue color filter and at least one green color filter.
22. spectrophotometric substrate as claimed in claim 14 is characterized in that, this transparency carrier be selected from least flexible base, board, rigid substrates, plastic base and glass substrate one of them.
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|---|---|---|---|
| CNB031787711A CN100376033C (en) | 2003-07-18 | 2003-07-18 | Full-color display panel and light splitting substrate thereof |
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|---|---|---|---|
| CNB031787711A CN100376033C (en) | 2003-07-18 | 2003-07-18 | Full-color display panel and light splitting substrate thereof |
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| CN1571606A CN1571606A (en) | 2005-01-26 |
| CN100376033C true CN100376033C (en) | 2008-03-19 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI339835B (en) * | 2005-02-03 | 2011-04-01 | Chimei Innolux Corp | Pixel structure for a color display device, organic light emitting device module, electronic device and method of rendering color of a pixel in a display device |
| TW200729132A (en) | 2006-01-18 | 2007-08-01 | Au Optronics Corp | Double-sided display |
| US8587501B2 (en) * | 2011-02-17 | 2013-11-19 | Global Oled Technology Llc | Electroluminescent display device with optically communicating chiplets |
| CN103107180B (en) * | 2011-11-10 | 2016-01-20 | 群康科技(深圳)有限公司 | Organic electroluminescence display device and method of manufacturing same and manufacture method thereof |
| CN102832355B (en) * | 2012-08-22 | 2016-01-27 | 北京京东方光电科技有限公司 | A kind of light-emitting device and preparation method thereof |
| KR20140108025A (en) * | 2013-02-28 | 2014-09-05 | 삼성디스플레이 주식회사 | Organic light emitting display apparatus and manufacturing method for the same |
| CN107887419A (en) * | 2017-10-25 | 2018-04-06 | 广东欧珀移动通信有限公司 | Display module and there is its display device, terminal |
| FR3093237B1 (en) * | 2019-02-22 | 2021-02-19 | Commissariat Energie Atomique | LIGHT DIODE, PIXEL CONTAINING A PLURALITY OF LIGHT DIODES AND ASSOCIATED MANUFACTURING METHODS |
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| US5909081A (en) * | 1995-02-06 | 1999-06-01 | Idemitsu Kosan Co., Ltd. | Multi-color light emission apparatus with organic electroluminescent device |
| CN1571607A (en) * | 2003-07-18 | 2005-01-26 | 铼宝科技股份有限公司 | Full-color display panel and light splitting substrate thereof |
| CN1571605A (en) * | 2003-07-18 | 2005-01-26 | 铼宝科技股份有限公司 | Mirror surface full-color display panel |
-
2003
- 2003-07-18 CN CNB031787711A patent/CN100376033C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909081A (en) * | 1995-02-06 | 1999-06-01 | Idemitsu Kosan Co., Ltd. | Multi-color light emission apparatus with organic electroluminescent device |
| CN1571607A (en) * | 2003-07-18 | 2005-01-26 | 铼宝科技股份有限公司 | Full-color display panel and light splitting substrate thereof |
| CN1571605A (en) * | 2003-07-18 | 2005-01-26 | 铼宝科技股份有限公司 | Mirror surface full-color display panel |
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