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    • 1. 发明专利
    • Organic electroluminescence element
    • 有机电致发光元件
    • JP2007059935A
    • 2007-03-08
    • JP2006286072
    • 2006-10-20
    • Stanley Electric Co LtdSumitomo Chemical Co Ltdスタンレー電気株式会社住友化学株式会社
    • ONISHI TOSHIHIRONOGUCHI MASANOBUKITANO MAKOTOFUKUDA YOICHI
    • H01L51/50C09K11/06H05B33/10
    • PROBLEM TO BE SOLVED: To provide an organic electroluminescence element which ensures high driving stability and extended lifetime without degrading characteristics such as high luminance, high light emitting efficiency and low drive voltage.
      SOLUTION: The organic electroluminescence element has at least one organic layer between positive and negative electrodes, at least either of which is transparent or translucent, wherein each of the light emitting material and electron hole transport material is separately contained in different organic layers. At least one of the organic layers containing the electron hole transport material includes at least one kind of agent between the antioxidant and light stabilizer, and the antioxidant is a phenolic antioxidant, while the light stabilizer is a benzophenone-based or hindered amine-based light stabilizer. The electron hole transport layer is formed by means of the deposition using a solution mixing the polymer electron hole transport material with the antioxidant or light stabilizer.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:提供确保高驱动稳定性和延长使用寿命而不降低诸如高亮度,高发光效率和低驱动电压等特性的有机电致发光元件。 解决方案:有机电致发光元件在正极和负极之间具有至少一个有机层,其中至少一个是透明或半透明的,其中发光材料和电子空穴传输材料中的每一个分别包含在不同的有机层中 。 含有电子空穴传输材料的有机层中的至少一个包括抗氧化剂和光稳定剂之中的至少一种试剂,抗氧化剂是酚类抗氧化剂,而光稳定剂是二苯甲酮类或受阻胺类的光 稳定剂。 通过使用将聚合物电子空穴传输材料与抗氧化剂或光稳定剂混合的溶液进行沉积而形成电子空穴传输层。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Polymer compound and polymer light-emitting device using the same
    • 聚合物化合物和使用该聚合物的聚合物发光装置
    • JP2005272834A
    • 2005-10-06
    • JP2005050665
    • 2005-02-25
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • AGATA KATSUMIKITANO MAKOTOTSUBATA YOSHIAKIADACHI MAKOTO
    • H05B33/10C08G61/12C09K11/06H01L51/00H01L51/05H01L51/50H05B33/14
    • PROBLEM TO BE SOLVED: To provide a polymer compound which imparts a long life light-emitting device when used as a light-emitting material for the light-emitting device. SOLUTION: The polymer compound comprises a repeating unit shown by formula (1) and a repeating unit chosen from formula (2-1) and formula (2-2). In the formula (1), Ar 1 and Ar 2 are each independently an arylene group or a divalent heterocyclic group. And, a and b repesent each independently 0 or 1, and are 0≤a+b≤1. E 1 , E 2 and E 3 are each independently the following aryl group (A) or heterocyclic group (B). Aryl group (A): the aryl group having three or more substituents chosen from an alkyl group, alkoxy group, and the like. Heterocyclic group (B): the monovalent heterocyclic group having one or more substituents chosen from alkyl group, alkoxy group, and the like and in which the sum of the count of these substituents and the count of heteroatoms of the heterocycle is three or more.In formula (2), A ring, B ring, C ring, and D ring are each independently an aromatic ring, X represents -O-, -S-, and the like, and Y represents -C≡C- and the like. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供当用作发光装置的发光材料时赋予长寿命的发光装置的高分子化合物。 解决方案:聚合物化合物包含式(1)所示的重复单元和选自式(2-1)和式(2-2)的重复单元。 在式(1)中,Ar 1 和Ar 2 各自独立地为亚芳基或二价杂环基。 而且,a和b各自独立地为0或1,并且为0≤a+b≤1。 E 1 ,E 2 和E 3 各自独立地为下列芳基(A)或杂环基(B)。 芳基(A):具有三个以上选自烷基,烷氧基等的取代基的芳基。 杂环基(B):具有一个或多个选自烷基,烷氧基等的取代基的一价杂环基,其中这些取代基的计数和杂环的杂原子数之和为三个或更多。 式(2)中,A环,B环,C环和D环各自独立地为芳香环,X表示-O-,-S-等,Y表示-C≡C-等 。 版权所有(C)2006,JPO&NCIPI
    • 6. 发明专利
    • Polymer compound and polymer light emitting device using the same
    • 聚合物化合物和使用其的聚合物发光装置
    • JP2009013413A
    • 2009-01-22
    • JP2008177645
    • 2008-07-08
    • Sumitomo Chemical Co Ltd住友化学株式会社
    • OGUMA JUNTSUBATA YOSHIAKIKITANO MAKOTOSEKINE CHIZU
    • C08G61/12C07D333/76C09K11/06H01L51/50
    • PROBLEM TO BE SOLVED: To provide a new polymer compound usable for a light emitting material, a charge transporting material, etc.
      SOLUTION: The polymer compound has a polystyrene-reduced number average molecular weight of 10
      3 -10
      8 and comprises a repeating unit of formula (1), wherein ring P and ring Q each represents an aromatic ring; ring P may exist or not; when ring P exists, two bonds exist on ring P and/or ring Q, respectively; when ring P does not exist, two bonds exist on a thiophene ring and/or ring Q, respectively; the repeating unit may have a substituent such as an alkyl, alkoxy, alkyltio, aryl, aryloxy, arylthio, arylalkyl, arylalkoxy, arylalkylthio, arylalkenyl and arylalkynyl group on the aromatic ring and/or the thiophene ring.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供可用于发光材料,电荷输送材料等的新的聚合物化合物。解决方案:聚合物化合物的数均分子量为10 并且包含式(1)的重复单元,其中环P和环Q各自表示芳环; 环P可能存在或不存在; 当环P存在时,环P和/或环Q上分别存在两个键; 当环P不存在时,分别在噻吩环和/或环Q上存在两个键; 重复单元可以在芳环和/或噻吩环上具有烷基,烷氧基,烷基氧基,芳基,芳氧基,芳硫基,芳基烷基,芳基烷氧基,芳基烷硫基,芳基烯基和芳基炔基等取代基。 版权所有(C)2009,JPO&INPIT