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1. 发明专利

JP2004014512A Organic light emitting diode device 审中-公开
公开(公告)号：JP2004014512A
公开(公告)日：2004-01-15
申请号：JP2003158234
申请日：2003-06-03
申请人： Eastman Kodak Co , イーストマンコダックカンパニー
发明人： RAYCHAUDHURI PRANAB KUMAR , MADATHIL JOSEPH KURU , LIAO LIANG-SHENG
IPC分类号： H01L51/50 , H01L51/52 , H05B33/26 , H05B33/14 , H05B33/22
CPC分类号： H01L51/5092 , H01L51/5221 , Y10T428/26 , Y10T428/31678
摘要： PROBLEM TO BE SOLVED: To provide a cathode structure of an organic light emitting diode device having comparatively uniform response in the visible light region, and imparting an electron injection property. SOLUTION: This organic light emitting diode device includes: (a) a substrate; (b) an anode layer of a electroconductive material formed on the substrate; (c) a light emission layer formed on the anode layer, including an electric field light emission material; (d) a buffer layer formed on the light emission layer, including an alkaline metal compound or its thermal decomposition product; and (e) a sputtering layer of an alloy or a metal selected such that the the sputtering layer exerts the electron injection property together with the buffer layer, formed on the buffer layer. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2004228082A Microcavity oled device 审中-公开
标题翻译：微电子OLED器件
公开(公告)号：JP2004228082A
公开(公告)日：2004-08-12
申请号：JP2004009559
申请日：2004-01-16
申请人： Eastman Kodak Co , イーストマンコダックカンパニー
发明人： TYAN YUAN-SHENG , SHORE JOEL D , FARRUGGIA GIUSEPPE , RAYCHAUDHURI PRANAB KUMAR , MADATHIL JOSEPH KURU
IPC分类号： H05B33/26 , H01L51/50 , H01L51/52 , H05B33/22 , H05B33/24 , H05B33/14
CPC分类号： H01L51/5265
摘要： PROBLEM TO BE SOLVED: To provide a microcavity OLED device with improved luminance efficiency and color characteristics.
SOLUTION: The microcavity OLED device comprises (a) a substrate, (b) a metal bottom electrode layer, (c) an organic EL element placed on the metal bottom electrode layer, and (d) a metal upper electrode layer placed on the organic EL element. One of the metal electrode layers is semitransparent, and the other is substantially obscure and reflective. Material of the obscure and reflective metal electrode layer is a selected one of Ag, Au, Al, and an alloy of these metals. Material of the semitransparent metal electrode layer is a selected one of Ag, Au, and an alloy of these metals. The thickness and the position of the emitting layer of the semitransparent metal electrode layer are selected so that the emitting output of the microcavity OLED device is higher than an equivalent device without the microcavity.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供具有改善的亮度效率和颜色特性的微腔OLED器件。解决方案：微腔OLED器件包括（a）衬底，（b）金属底电极层，（c）放置在金属底电极层上的有机EL元件，以及（d）金属上电极层，在有机EL元件上。金属电极层中的一个是半透明的，另一个是基本上模糊和反射的。模糊和反射金属电极层的材料是Ag，Au，Al中的一种以及这些金属的合金。半透明金属电极层的材料是Ag，Au和这些金属的合金中的一种。选择半透明金属电极层的发光层的厚度和位置，使得微腔OLED器件的发射输出高于没有微腔的等效器件。版权所有（C）2004，JPO＆NCIPI

3. 发明专利

JP2004014511A Organic light-emitting diode device 审中-公开
公开(公告)号：JP2004014511A
公开(公告)日：2004-01-15
申请号：JP2003156645
申请日：2003-06-02
申请人： Eastman Kodak Co , イーストマンコダックカンパニー
发明人： RAYCHAUDHURI PRANAB KUMAR , MADATHIL JOSEPH KURU
IPC分类号： H01L51/50 , H01L51/52 , H05B33/26 , H05B33/22 , H05B33/14
CPC分类号： H01L51/5092 , H01L51/5221 , Y10T428/26
摘要： PROBLEM TO BE SOLVED: To provide an improved organic light-emitting diode device structure body to inject electrons to an electron transport layer or directly to a light-emitting layer. SOLUTION: The organic light-emitting diode device includes (a) a substrate, (b) an anode layer made of a conductive material provided on the substrate, (c) a light-emitting layer including an electric field light-emitting material provided on the anode layer, (d) a buffer layer including phthalocyanine or its derivative provided on the light-emitting layer, (e) an electron injecting dopant source layer including an alkali metal compound or its pyrolysate provided on the buffer layer, and (f) a sputter layer of a metal or an alloy provided on the buffer layer selected to perform an electron injection function to the light-emitting layer together with the buffer layer. COPYRIGHT: (C)2004,JPO

4. 发明申请

WO2007035357A3 METAL AND ELECTRONICALLY CONDUCTIVE POLYMER TRANSFER 审中-公开
标题翻译：金属和电子导电聚合物转移
公开(公告)号：WO2007035357A3
公开(公告)日：2007-08-09
申请号：PCT/US2006035658
申请日：2006-09-14
申请人： EASTMAN KODAK CO , KRESS ROBERT JOHN , MAJUMDAR DEBASIS , IRVIN GLEN CLIFFORD JR , MADATHIL JOSEPH KURU , TUTT LEE WILLIAM , FREEDMAN GARY SCOT
发明人： MAJUMDAR DEBASIS , IRVIN GLEN CLIFFORD JR , MADATHIL JOSEPH KURU , TUTT LEE WILLIAM , FREEDMAN GARY SCOT
IPC分类号： H01L51/00
CPC分类号： H01L51/0013 , H01G11/48 , H01G11/56 , H01L51/0022 , H01L51/0023 , H01L51/0036 , H01L51/0037 , H01L2221/68359 , H01L2221/68363 , H01L2221/6839 , Y02E60/13
摘要： The invention relates to a donor laminate comprising in order, a substrate, an electronically conductive polymer layer in contact with said substrate, and a metal layer.
摘要翻译：本发明涉及一种供体层压体，其依次包括基体，与所述基体接触的电子导电聚合物层和金属层。

5. 发明申请

WO2005038942A3 METAL SUB-LAYER WITHIN A HOLE-TRANSPORTING REGION 审中-公开
标题翻译：金属子层在空穴传输区域
公开(公告)号：WO2005038942A3
公开(公告)日：2005-08-25
申请号：PCT/US2004030411
申请日：2004-09-17
申请人： EASTMAN KODAK CO , LIAO LIANG-SHENG , MADATHIL JOSEPH KURU
发明人： LIAO LIANG-SHENG , MADATHIL JOSEPH KURU
IPC分类号： H01L51/50 , H01L51/10
CPC分类号： H01L51/5048 , Y10S428/917
摘要： An organic electroluminescent device including an anode, a hole-transporting region disposed over the anode wherein the hole-transporting region contains at least one hole-transporting material, a metal sub-layer disposed within the hole-transporting region wherein the metal sub-layer contains at least one metal selected from group 4 through group 16 of the Periodic Table of Elements and the selected metal has a work-function higher than 4.0 eV, a light-emitting layer formed in contact with the hole-transporting region for producing light in response to hole-electron recombination, an electron-transporting layer disposed over the light-emitting layer, and a cathode disposed over the electron-transporting layer.
摘要翻译：一种有机电致发光器件，包括阳极，设置在阳极上方的空穴传输区域，其中空穴传输区域包含至少一种空穴传输材料，设置在空穴传输区域内的金属子层，其中金属子层含有选自元素周期表的第4族至第16族中的至少一种金属，并且所选择的金属具有高于4.0eV的功函数，与空穴传输区接触以形成光的发光层对空穴 - 电子复合的响应，设置在发光层上的电子传输层以及设置在电子传输层上的阴极。

6. 发明申请

WO2005096406A2 ORGANIC LIGHT-EMITTING DEVICE HAVING IMPROVED STABILITY 审中-公开
标题翻译：有机发光装置具有改进的稳定性
公开(公告)号：WO2005096406A2
公开(公告)日：2005-10-13
申请号：PCT/US2005006861
申请日：2005-03-04
申请人： EASTMAN KODAK CO , RAYCHAUDHURI PRANAB KUMAR , MADATHIL JOSEPH KURU , LIAO LIANG-SHENG
发明人： RAYCHAUDHURI PRANAB KUMAR , MADATHIL JOSEPH KURU , LIAO LIANG-SHENG
IPC分类号： H01L51/52 , H01L51/20
CPC分类号： H01L51/5271 , H01L51/5215 , H01L51/5218 , H01L51/5265 , H01L2251/5315 , Y10S428/917 , Y10T428/24942 , Y10T428/26
摘要： In an OLED device, the improvement including a reflective and conductive bilayer anode including a metal or metal alloy or both; a hole-injecting structure over the reflective and conductive bilayer anode; at least one organic layer formed over the hole-injecting structure; and the reflective and conductive bilayer anode being configured to improve the stability of drive voltage.
摘要翻译：在OLED器件中，改进包括包括金属或金属合金或两者的反射和导电双层阳极; 反射和导电双层阳极上的空穴注入结构; 在空穴注入结构上形成的至少一个有机层; 并且反射和导电双层阳极被配置为提高驱动电压的稳定性。

7. 发明专利

JP2003123984A ORGANIC LIGHT EMITTING DEVICE 审中-公开
公开(公告)号：JP2003123984A
公开(公告)日：2003-04-25
申请号：JP2002280947
申请日：2002-09-26
申请人： EASTMAN KODAK CO
发明人： LIAO LYAN-SHEN , MADATHIL JOSEPH KURU , KLUBEK KEVIN P , TANG CHING WAN
IPC分类号： H01L33/00 , H01L51/50 , H05B33/22 , H05B33/14
摘要： PROBLEM TO BE SOLVED: To provide an organic light emitting device with high efficiency. SOLUTION: This organic light emitting device comprises, in order, (a) a substrate, (b) an anode, (c) a hole carrier layer containing a hole carrier organic compound, (d) an interface layer having a thickness within the range of 0.1 nm-5 nm, (e) a light emitting layer containing a light emitting organic compound, (f) an electron carrier layer containing an electron carrier organic compound, and (g) a cathode. The interface layer contains a compound showing an ionization potential higher than the organic compound of the hole carrier layer and an energy band gap equal to or larger than the organic compound of the light emitting layer.

8. 发明专利

JP2002343573A ORGANIC LIGHT-EMITTING DIODE DEVICE AND ITS MANUFACTURING METHOD 审中-公开
公开(公告)号：JP2002343573A
公开(公告)日：2002-11-29
申请号：JP2002132910
申请日：2002-05-08
申请人： EASTMAN KODAK CO
发明人： RAYCHAUDHURI PRANAB KUMAR , MADATHIL JOSEPH KURU
IPC分类号： H01L51/50 , H01L33/00 , H01L51/52 , H05B33/10 , H05B33/26 , H05B33/22 , H05B33/14
摘要： PROBLEM TO BE SOLVED: To provide an organic light-emitting diode device that has a high displaying contrast. SOLUTION: This is an organic light-emitting diode device having a high contrast that comprises (a) a transparent substrate, (b) an anode made of a transparent conductive material that is provided on the substrate, (c) an luminous layer containing an electroluminescent material that is provided on the anode, (d) a low-absorption ultra-thin electron injected layer that is provided on the luminous layer, (e) an intermediate layer containing a semimetal, metal, alloy or an intermetallic compound that is provided on the low-absorption ultra- thin electron injected layer, and (f) a reflective material layer that is provided on the intermediate layer, and (g) has chosen the thickness of the intermediate layer in such a manner as to make the contrast high.

9. 发明专利

JP2003234196A ORGANIC ELECTRIC FIELD LIGHT EMITTING DEVICE 审中-公开
公开(公告)号：JP2003234196A
公开(公告)日：2003-08-22
申请号：JP2003022032
申请日：2003-01-30
申请人： EASTMAN KODAK CO
发明人： LIAO LIANG-SHENG L , MADATHIL JOSEPH KURU , RAYCHAUDHURI PRANAB KUMAR , TANG CHING WAN
IPC分类号： H05B33/26 , H01L51/00 , H01L51/30 , H01L51/50 , H01L51/52 , H05B33/14
摘要： PROBLEM TO BE SOLVED: To provide an OLED having good adhering property between a cathode made of substancially pure magnesium and an organic layer. SOLUTION: It is an organic electric light emitting device which is constituted of (a) a positive electrode and a negative electrode, (b) an electroluminescence medium arranged between the positive electrode and the negative electrode, and (c) an adhering property improving layer which is in contact with the negative electrode and the electroluminescence medium. (d) The thickness of this adhering property improving layer is within the limits of 0.01 nm to 3.0 nm, and this adhering property improving layer includes at least one sort of metals or metallic compound which is chosen so that the atomic number of the metal concerned may become 19 or more out of the 1st group of an element periodic table to the 15th group. And (e) this negative electrode is pure magnesium substantially. COPYRIGHT: (C)2003,JPO

10. 发明专利

JP2002260869A ORGANIC LIGHT-EMITTING DIODE DEVICE 审中-公开
公开(公告)号：JP2002260869A
公开(公告)日：2002-09-13
申请号：JP2002015164
申请日：2002-01-24
申请人： EASTMAN KODAK CO
发明人： RAYCHAUDHURI PRANAB KUMAR , TANG CHING W , MADATHIL JOSEPH KURU , COMFORT DUSTIN
IPC分类号： H05B33/26 , H01L51/50 , H01L51/52 , H05B33/12 , H05B33/14 , H05B33/22
摘要： PROBLEM TO BE SOLVED: To lower the drive voltage and improve the luminous intensity of an organic light-emitting diode device. SOLUTION: The organic light-emitting diode device comprises (a) a substrate, (b) an anode layer that is provided on the substrate and made of a conductive material, (c) a hole injecting layer provided on the anode layer, (d) a hole transport layer that is provided on the hole injecting layer, (e) a luminous layer that is provided on the hole transport layer and contains an electroluminescent material, (f) an electron transport layer that is provided on the luminous layer and contains lithium metal, and (g) a cathode layer that is provided on the electron transport layer. The cathode layer is made of a material that can work efficiently as an electron injecting contact point without changing the electron transport layer and shows a work function in the range 2.0-4.0 V.

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