CN101055922B - Organize EL structure and its making method - Google Patents
Organize EL structure and its making method Download PDFInfo
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- CN101055922B CN101055922B CN2007100974831A CN200710097483A CN101055922B CN 101055922 B CN101055922 B CN 101055922B CN 2007100974831 A CN2007100974831 A CN 2007100974831A CN 200710097483 A CN200710097483 A CN 200710097483A CN 101055922 B CN101055922 B CN 101055922B
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Abstract
An organic electroluminescent structure, contains a first electrode, a first primary color luminous pattern layer installed on the surface of the first electrode, a second primary color luminous pattern layer installed on the surface of the first electrode, a third primary color luminous and electronic transmission layer installed on the surface of the first electrode, a surface of the first primary color luminous pattern layer, a surface of the second primary color luminous pattern layer, and a second electrode, located on the third primary color luminous layer and on the electronic transmission layer.
Description
Technical field
The present invention relates to a kind of organic electroluminescence structure and preparation method thereof; Outstanding reference and a kind of organic electroluminescence structure, and a kind of manufacture method that reduces the organic electroluminescence structure of the shielding use number that is used to define organic luminous layer with the luminous and electron transfer layer that possesses organic light emission and electric transmission double action simultaneously.
Background technology
Flat-panel screens (Flat Panel Display) has conventional cathode ray tube (Cathode Ray Tube; CRT) the incomparable advantage of display; For example power saving, radiationless and compact etc., so flat-panel screens has replaced cathode-ray tube display gradually.Lifting along with the plane Display Technique; The product price of flat-panel screens constantly reduces; Make flat-panel screens more popularize and towards big display size development; And among various flat-panel screens now, display of organic electroluminescence is owing to have advantages such as high contrast and self-luminous, the product of being expected most in the market especially.
Please refer to Fig. 1.Fig. 1 is the generalized section of known organic electroluminescence structure of a pixel region of organic electroluminescence panel.As shown in Figure 1; Known organic electroluminescence structure includes an anode 10, a hole injection layer 12 is arranged at the surface of anode 10, the surface that a hole transmission layer 14 is arranged at hole injection layer 12, the surface that an organic light emission matrix 16 is arranged at hole transmission layer 14, the surface that an electron transfer layer 18 is arranged at organic light emission matrix 16, and a negative electrode 20 is arranged on the electron transfer layer 18.
In order to show full-color picture; In the organic electroluminescence structure of arbitrary pixel region of organic electroluminescence panel, all include a blue sub-pixels, one a green pixel and a red inferior pixel; And organic light emission matrix 16 includes a blue organic light emission pattern 16B, a green organic light emission pattern 16G and a red organic light emission pattern 16R; Its Smalt organic light emission pattern 16B is responsible for providing luminous, the green organic light emission pattern 16G of blue sub-pixels to be responsible for providing the luminous of green time pixel; Red organic light emission pattern 16R then is responsible for the luminous of red time pixel, thereby is combined into beautiful full-color picture.
Organic light emission matrix 16 utilizes evaporation technology to be used shielding (shadow mask) and makes; And with regard to the organic light emission matrix 16 of known organic electroluminescence structure, blue organic light emission pattern 16B, green organic light emission pattern 16G and red organic light emission pattern 16R must utilize the shielding of three roads to evaporate respectively.At first on technology; Because inevasible meeting produces bit errors when using shielding; And the organic light emission matrix 16 of known making organic electroluminescence structure must use the shielding of three roads; Thereby increased the not good risk of contraposition, and not good can the generation of the contraposition of organic light emission matrix 16 causes display quality not good like shadow effect problems such as (shadow effect).In addition, when the size of the organic electroluminescence panel of making when the institute desire is big, must use large-scale shielding, and large-scale shielding is easy to generate and becomes curved change effect (bending effect), also can make the figure transfer of organic light emission matrix 16 produce deviation.
Therefore, how reducing the use number of shielding, to avoid because of the not good negative effect that organic electroluminescence structure is caused of contraposition, is the important topic in the organic electroluminescence structure research and development now in fact.
Summary of the invention
One of the object of the invention is to provide a kind of organic electroluminescence structure and its manufacture method, with lifting subassembly stability and simplify technology.
For reaching above-mentioned purpose, the present invention provides a kind of organic electroluminescence structure.Above-mentioned organic electroluminescence structure include at least surface that one first electrode, one first primary colors luminous pattern layer be arranged at this first electrode in order to the surface that produces first primitive color light, one second primary colors luminous pattern layer and be arranged at this first electrode in order to produce second primitive color light, three primary colors are luminous and electron transfer layer is arranged at the surface of this first electrode, the surface of this first primary colors luminous pattern layer; And the surface of this second primary colors luminous pattern layer; Also bring into play the effect of electric transmission in the lump in order to produce primaries; And one second electrode, be arranged on this three primary colors luminescent layer and the electron transfer layer.
For reaching above-mentioned purpose, the present invention provides a kind of method of making organic electroluminescence structure.Said method includes at least:
One substrate is provided, includes one first electrode on this substrate, and a hole injection structure;
Form one first primary colors luminous pattern layer on the surface of this hole injection structure;
Form one second primary colors luminous pattern layer on the surface of this hole injection structure;
Form the luminous and electron transfer layer of three primary colors in the surface of this hole injection structure, the surface of this first primary colors luminous pattern layer and the surface of this second primary colors luminous pattern layer comprehensively; And
Form one second electrode on the luminous and electron transfer layer at these three primary colors.
Below be about detailed description of the present invention and accompanying drawing.Yet accompanying drawing only for reference with aid illustration usefulness, be not to be used for to the present invention's limitr in addition.
Description of drawings
Fig. 1 is the generalized section of known organic electroluminescence structure of a pixel region of organic electroluminescence panel;
Fig. 2 makes the method flow diagram of organic electroluminescence structure for the present invention;
Fig. 3 to Fig. 7 makes the method sketch map of organic electroluminescence structure one preferred embodiment of a pixel region of organic EL display panel for the present invention;
Fig. 8 is the sketch map of another embodiment of organic electroluminescence structure of the present invention;
Fig. 9 is the cross-pressure of organic electroluminescence structure and the graph of a relation of current density;
Figure 10 is the cross-pressure of organic electroluminescence structure and the graph of a relation of brightness;
Figure 11 is the brightness of organic electroluminescence structure and the graph of a relation of luminous efficiency;
Figure 12 is the brightness of organic electroluminescence structure and the graph of a relation of CIE-y chromaticity coordinate.
Wherein, Reference numeral:
10 anodes, 12 hole injection layers
14 hole transmission layers, 16 organic light emission matrixes
The green organic light emission pattern of the blue organic light emission pattern of 16B 16G
The red organic light emission pattern of 16R 18 electron transfer layers
20 negative electrodes, 50 substrates
52 first electrodes, 54 hole injection structures
56 hole injection layers, 58 hole transmission layers
59 patternings shield 60 first primary colors luminous pattern layers
61 patternings shield 62 second primary colors luminous pattern layers
Luminous and the electron transfer layer of 64 three primary colors
66 electron injecting layers
68 second electrodes
Embodiment
Please refer to Fig. 2.Fig. 2 makes the method flow diagram of organic electroluminescence structure for the present invention.As shown in Figure 2, the main process step that the present invention makes organic electroluminescence structure includes:
Step 30: a substrate is provided, and includes one first electrode on this substrate, and a hole injection structure;
Step 32: form one first primary colors luminous pattern layer on the surface of this hole injection structure;
Step 34: form one second primary colors luminous pattern layer on the surface of this hole injection structure;
Step 36: form the luminous and electron transfer layer of three primary colors on the surface of this hole injection structure, the surface of this first primary colors luminous pattern layer and the surface of this second primary colors luminous pattern layer comprehensively; And
Step 38: form one second electrode at these three primary colors on the luminous and electron transfer layer.
For further specifying the detailed step that the present invention makes the method for organic electroluminescence structure, please continue with reference to figure 3 to Fig. 7.Fig. 3 to Fig. 7 makes the method sketch map of organic electroluminescence structure one preferred embodiment of a pixel region of organic EL display panel for the present invention, wherein for showing that characteristics Fig. 3 to Fig. 7 of the present invention illustrates with section.As shown in Figure 3, a substrate 50 is provided, include one first electrode 52 and a hole injection structure 54 on the substrate 50.Substrate 50 can be a transparency carrier, for example glass substrate, quartz base plate or plastic base etc.First electrode 52 is an anode; And look the difference that organic EL display panel is end light emitting-type (bottom emission) or top light emitting-type (top emission), first electrode 52 can be transparency electrode, for example the ITO electrode; Or opaque electrode, for example metal electrode.54 of hole injection structures include a hole injection layer 56 and a hole transmission layer 58.
As shown in Figure 4, utilize patterning shielding 59, for example a shielding; Carry out an evaporation technology, form one first primary colors luminous pattern layer 60 on the surface of hole injection structure 54, in order to send first primitive color light; Wherein first primary colors comprises blueness in the present embodiment, and first primitive color light is a blue light.
As shown in Figure 5, then utilize another patterning shielding 61 again, for example a shielding; Carry out another evaporation technology; Form one second primary colors luminous pattern layer 62 on the surface of hole injection structure 54, wherein second primary colors comprises green in the present embodiment, and second primitive color light is a green glow.
As shown in Figure 6; Then do not use any patterning shielding; Carry out an evaporation technology, directly form the luminous and electron transfer layer 64 of three primary colors on the surface of hole injection structure 54, the surface of the first primary colors luminous pattern layer 60 and the surface of the second primary colors luminous pattern layer 62 comprehensively, also bring into play the effect of electric transmission in the lump in order to send primaries; Wherein three primary colors are red in the present embodiment, and primaries is a ruddiness.Three primary colors material luminous and electron transfer layer 64 then include one can bring into play the electric transmission effect the electric transmission material of main part, TR-E314 for example, and one can produce ruddiness luminous dopant material, RD07 for example.
As shown in Figure 7 at last, form an electron injecting layer 66 and one second electrode (negative electrode) 68 at three primary colors in regular turn on the luminous and electron transfer layer 64, promptly produce organic electroluminescence structure of the present invention.
One of principal character of the present invention is to integrate electron transfer layer and organic luminous layer; Utilization can be brought into play the electric transmission material of main part of electric transmission effect; And mix the luminous dopant material that can produce a certain primitive color light; Produce and possess luminous and the luminous and electron transfer layer electric transmission double action, thereby can reduce the use of one patterning shielding, and reduce the inaccurate risk of contraposition.
Luminous and the electron transfer layer 64 of three primary colors is preferably by a material of main part and a dopant material and constitutes in the present invention.Wherein, selecting for use of material, the material behavior of material of main part and dopant material is preferably the binomial condition that meets.At first; (highest occupied molecule orbital, HOMO) can rank (energy level) should be less than or equal to the highest occupied molecular orbital of the first primary colors luminous pattern layer 60 can rank and the highest occupied molecular orbital ability rank of the second primary colors luminous pattern layer 62 for the highest occupied molecular orbital of the material of main part of the luminous and electron transfer layer 64 of three primary colors.For example, the HOMO of material of main part can rank be-6.1eV, and the HOMO of the luminescent material of the first primary colors luminous pattern layer 60 and the second primary colors luminous pattern layer 62 can be all-5.8eV on rank.Secondly; The material of main part of the luminous and electron transfer layer 64 of three primary colors minimum do not occupy the molecule orbital, and (least unoccupied molecule orbital, the minimum molecule orbital that do not occupy that LUMO) can rank should be less than or equal to the first primary colors luminous pattern layer 60 can rank and the minimum molecule orbital ability rank that do not occupy of the second primary colors luminous pattern layer 62.For example, the LUMO of the material of main part of the luminous and electron transfer layer 64 of three primary colors can rank be-2.8eV, and the LUMO of the luminescent material of the first primary colors luminous pattern layer 60 and the second primary colors luminous pattern layer 62 ability rank are all-2.8eV.In addition, the LUMO of the dopant material of the luminous and electron transfer layer 64 of three primary colors can rank should be lower than the LUMO of material of main part can rank, and the HOMO of dopant material can rank should be higher than the HOMO of material of main part can rank.For example the LUMO of dopant material can rank be-3.1eV, and HOMO can rank be-5.4eV.
In the present embodiment with two kinds of materials as explanation; The TR-E314 that for example uses Torey company is as material of main part; And with the RD07 of Universal Display Corporation company as dopant material, but be not limited to use above-mentioned material, also can select other suitable material for use.
In the above-described embodiments, it is blue, green and red that first primary colors, second primary colors and three primary colors are respectively, but application of the present invention is not and be limited to this, and first primary colors, second primary colors and three primary colors can be respectively a kind of in blueness, green and the redness.In other words, at material of main part and dopant material matches each other and the material of each luminous pattern meets under the situation of above-mentioned condition, also can use the dopant material that can produce blue light or green glow to mix material of main part.In addition; In the present embodiment, the luminous and electron transfer layer 64 of three primary colors has a uneven upper surface, and is as shown in Figure 6; But if having under other Consideration; For example consider the reflecting effect of second electrode 68, in other embodiments, three primary colors upper surface luminous and electron transfer layer 64 also can be a more smooth plane.Please refer to Fig. 8, Fig. 8 is the sketch map of another embodiment of organic electroluminescence structure of the present invention, and wherein for ease of comparing the similarities and differences of two embodiment, same components is used the same numeral mark among Fig. 8 and Fig. 7.As shown in Figure 8, for instance, the parameter of adjustment evaporation technology capable of using makes the luminous and electron transfer layer 64 of three primary colors have more smooth upper surface, makes second electrode 68 of follow-up making also have a flat surfaces.In addition, the parameter of adjustment second electrode 68 evaporation technologies also capable of using makes second electrode 68 have a flat surfaces.
Please refer to Fig. 9 to Figure 12.The actual test result of Fig. 9 to Figure 12 for doing to the display effect of organic electroluminescence structure of the present invention; Wherein Fig. 9 is the cross-pressure of organic electroluminescence structure and the graph of a relation of current density; Figure 10 is the cross-pressure of organic electroluminescence structure and the graph of a relation of brightness; Figure 11 is the brightness of organic electroluminescence structure and the graph of a relation of luminous efficiency, and Figure 12 is the brightness of organic electroluminescence structure and the graph of a relation of CIE-y chromaticity coordinate.At first, above-mentioned test is tested with blue region, wherein all includes a control group and three experimental group in each graph of a relation, and control group and experimental group all use the material of BH215:8%B52 as blue organic luminous layer, and different locating is described below:
Control group (Group C): be known organic electroluminescence structure, use the material of TR-E314 as electron transfer layer, the thickness of electron transfer layer is 300 dusts;
First experimental group (Group I): be organic electroluminescence structure of the present invention, use the material of TR-E314:14.4%RD07, and the thickness of emitting red light and electron transfer layer be 200 dusts as emitting red light and electron transfer layer;
Second experimental group (Group II): be organic electroluminescence structure of the present invention, use the material of TR-E314:14.4%RD07, and the thickness of emitting red light and electron transfer layer be 300 dusts as emitting red light and electron transfer layer;
The 3rd experimental group (Group III): be to be organic electroluminescence structure of the present invention, use the material of TR-E314:14.4%RD07, and the thickness of emitting red light and electron transfer layer be 400 dusts as emitting red light and electron transfer layer.
Fig. 9 has shown the cross-pressure of organic electroluminescence structure of the present invention and the relation of current density.As shown in Figure 9; Following in identical current density; The cross-pressure of the organic electroluminescence structure of each experimental group of the present invention only rises compared to the cross-pressure of known organic electroluminescence structure a little; Represented that organic electroluminescence structure of the present invention is integrated in the practice of electron transfer layer with red illuminating material, can't influence the power consumption and the life-span of organic electroluminescence structure significantly.
Figure 10 has shown the cross-pressure of organic electroluminescence structure and the relation of brightness.Shown in figure 10; Under identical brightness; The cross-pressure of the organic electroluminescence structure of each experimental group of the present invention only rises compared to the cross-pressure of known organic electroluminescence structure a little; Represented also that likewise organic electroluminescence structure of the present invention is integrated in the practice of electron transfer layer with red illuminating material, can't influence the power consumption and the life-span of organic electroluminescence structure.
Figure 11 has shown the brightness of organic electroluminescence structure and the relation of luminous efficiency.Shown in figure 11, following in identical brightness, the luminous efficiency of the organic electroluminescence structure of each experimental group of the present invention all has significant lifting compared to the luminous efficiency of known organic electroluminescence structure.
In addition, because the color saturation and the CIE-y coordinate figure of blue light have correlation, so Figure 12 has shown the brightness of organic electroluminescence structure and the relation of CIE-y chromaticity coordinate.Shown in figure 12, under identical brightness (for example at brightness 1000cd/m
2); The CIE-y coordinate figure of first experimental group of the present invention and second experimental group is about 0.185; The CIE-y coordinate figure of known organic electroluminescence structure then is about 0.178, because the two difference is very little, has represented that organic electroluminescence structure of the present invention can't influence the color saturation of blue light.
From the above; Organic electroluminescence structure of the present invention utilizes dopant material to mix material of main part; Make electron transfer layer except transmission electronic, also possess the effect that a certain single look luminescent layer is arranged, and test result prove that more organic electroluminescence structure of the present invention has preferable luminous efficiency.In addition, organic electroluminescence structure of the present invention can be saved the use of one shielding on technology, not only can reduce the not good risk of contraposition, more can avoid the use of the problem that shielding is derived.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claims of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (14)
1. an organic electroluminescence structure is characterized in that, includes at least:
One first electrode;
One blue-light-emitting patterned layer is arranged at the surface of this first electrode, in order to produce blue light;
One green emitting patterned layer is arranged at the surface of this first electrode, in order to produce green light;
One emitting red light and electron transfer layer are arranged at the surface of this first electrode, the surface of this blue-light-emitting patterned layer, and the surface of this green emitting patterned layer, also bring into play the effect of electric transmission in the lump in order to produce red light; And
One second electrode is arranged on this red light emitting layer and the electron transfer layer;
This emitting red light and electron transfer layer include the luminous dopant material that an electric transmission material of main part and produces red light;
This material of main part minimum do not occupy that the molecule orbital can rank be less than or equal to this blue-light-emitting patterned layer minimum do not occupy the molecule orbital can rank do not occupy the molecule orbital with this green emitting patterned layer minimum can rank, and the highest occupied molecular orbital of this material of main part can rank be lower than the highest occupied molecular orbital of this blue-light-emitting patterned layer can rank and the highest occupied molecular orbital ability rank of this green emitting patterned layer;
The highest occupied molecular orbital of this dopant material can rank be higher than the highest occupied molecular orbital of this material of main part can rank, and this dopant material minimum do not occupy the minimum molecule orbital that do not occupy that the molecule orbital can rank be lower than this material of main part can rank.
2. organic electroluminescence structure according to claim 1; It is characterized in that; The highest occupied molecular orbital of this material of main part can rank be-6.1eV, and the highest occupied molecular orbital of the highest occupied molecular orbital of this blue-light-emitting patterned layer ability rank and this green emitting patterned layer can be all-5.8eV on rank.
3. organic electroluminescence structure according to claim 1; It is characterized in that; The minimum molecule orbital that do not occupy of this material of main part can rank be-2.8eV, and the minimum minimum molecule orbital that do not occupy that does not occupy molecule orbital ability rank and this green emitting patterned layer of this blue-light-emitting patterned layer can be all-2.8eV on rank.
4. organic electroluminescence structure according to claim 1 is characterized in that, the highest occupied molecular orbital of this material of main part can rank be-6.1eV, and the highest occupied molecular orbital of this dopant material can rank be-5.4eV.
5. organic electroluminescence structure according to claim 1 is characterized in that, the minimum molecule orbital that do not occupy of this material of main part can rank be-2.8eV, and the minimum molecule orbital that do not occupy of this dopant material can rank be-3.1eV.
6. organic electroluminescence structure according to claim 1 is characterized in that, this emitting red light and electron transfer layer have a uneven upper surface.
7. organic electroluminescence structure according to claim 1 is characterized in that, more comprises a hole injection structure, is arranged between this first electrode and this blue-light-emitting patterned layer, green emitting patterned layer, emitting red light and the electron transfer layer.
8. organic electroluminescence structure according to claim 7 is characterized in that this hole injection structure includes the surface that a hole injection layer is arranged at this first electrode, and a hole transmission layer, is arranged at the surface of this hole injection layer.
9. organic electroluminescence structure according to claim 1 is characterized in that other includes an electron injecting layer, is arranged between this second electrode and this emitting red light and the electron transfer layer.
10. a method of making organic electroluminescence structure is characterized in that, includes at least:
One substrate is provided, includes one first electrode on this substrate;
On this first electrode, form a blue-light-emitting patterned layer;
On this first electrode, form a green emitting patterned layer;
Comprehensively on this first electrode, the surface of this blue-light-emitting patterned layer and the surface of this green emitting patterned layer form an emitting red light and electron transfer layer; And
On this emitting red light and electron transfer layer, form one second electrode;
This emitting red light and electron transfer layer include the luminous dopant material that an electric transmission material of main part and produces red light;
This material of main part minimum do not occupy that the molecule orbital can rank be less than or equal to this blue-light-emitting patterned layer minimum do not occupy the molecule orbital can rank do not occupy the molecule orbital with this green emitting patterned layer minimum can rank, and the highest occupied molecular orbital of this material of main part can rank be lower than the highest occupied molecular orbital of this blue-light-emitting patterned layer can rank and the highest occupied molecular orbital ability rank of this green emitting patterned layer;
The highest occupied molecular orbital of this dopant material can rank be higher than the highest occupied molecular orbital of this material of main part can rank, and this dopant material minimum do not occupy the minimum molecule orbital that do not occupy that the molecule orbital can rank be lower than this material of main part can rank.
11. method according to claim 10 is characterized in that, this blue-light-emitting patterned layer, this green emitting patterned layer and this emitting red light and electron transfer layer utilize evaporation technology to make.
12. method according to claim 10 is characterized in that, the step that forms this blue-light-emitting patterned layer and this green emitting patterned layer comprises uses patterning shielding.
13. method according to claim 10 is characterized in that, this emitting red light and electron transfer layer have a uneven upper surface.
14. method according to claim 10 is characterized in that, other included before forming this blue-light-emitting patterned layer, formed a hole injection structure on the surface of this first electrode earlier.
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| WO2011004421A1 (en) * | 2009-07-06 | 2011-01-13 | パイオニア株式会社 | Display device and method for manufacturing the same |
| TWI428054B (en) | 2010-05-13 | 2014-02-21 | Au Optronics Corp | Organic light emitting diode structure and fabricating method thereof |
| CN101872845A (en) * | 2010-06-09 | 2010-10-27 | 友达光电股份有限公司 | Organic light emitting diode (LED) structure and manufacturing method thereof |
| KR102113034B1 (en) * | 2013-05-29 | 2020-05-21 | 삼성디스플레이 주식회사 | Organic light emitting display device and manufacturing method thereof |
| TWI538193B (en) | 2014-02-19 | 2016-06-11 | 友達光電股份有限公司 | Organic light emitting device and fabricating method thereof |
| CN104966787A (en) * | 2015-07-17 | 2015-10-07 | 京东方科技集团股份有限公司 | Light emitting diode, display substrate, manufacturing method thereof and display device |
| CN109845404B (en) * | 2016-10-13 | 2020-11-20 | 夏普株式会社 | Display device and method for manufacturing the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1242134A (en) * | 1996-12-23 | 2000-01-19 | 普林斯顿大学理事会 | Multicolor display device |
| US6384529B2 (en) * | 1998-11-18 | 2002-05-07 | Eastman Kodak Company | Full color active matrix organic electroluminescent display panel having an integrated shadow mask |
| CN1599527A (en) * | 2003-09-15 | 2005-03-23 | 三星Sdi株式会社 | Full color organic electroluminescent device and method for fabricating the same |
| CN1897295A (en) * | 1996-11-25 | 2007-01-17 | 精工爱普生株式会社 | Method of manufacturing organic el element, organic el element, and organic el display device |
-
2007
- 2007-05-09 CN CN2007100974831A patent/CN101055922B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897295A (en) * | 1996-11-25 | 2007-01-17 | 精工爱普生株式会社 | Method of manufacturing organic el element, organic el element, and organic el display device |
| CN1242134A (en) * | 1996-12-23 | 2000-01-19 | 普林斯顿大学理事会 | Multicolor display device |
| US6384529B2 (en) * | 1998-11-18 | 2002-05-07 | Eastman Kodak Company | Full color active matrix organic electroluminescent display panel having an integrated shadow mask |
| CN1599527A (en) * | 2003-09-15 | 2005-03-23 | 三星Sdi株式会社 | Full color organic electroluminescent device and method for fabricating the same |
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