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    • 4. 发明专利
    • Organic electroluminescent element and display medium
    • 有机电致发光元件和显示介质
    • JP2011044605A
    • 2011-03-03
    • JP2009192407
    • 2009-08-21
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • HIROSE HIDEKAZUIMAI AKIRAAGATA TAKESHISATO KATSUHIRO
    • H01L51/50C07D409/14C09K11/06
    • PROBLEM TO BE SOLVED: To provide an organic electroluminescent element which has a longer element life than an organic electroluminescent element using 4,4'-bis-carbazolyl biphenyl. SOLUTION: The organic electroluminescent element includes a pair of electrodes comprising an anode and a cathode, and an organic light-emitting layer provided between the pair of electrodes and containing a compound represented at least by general formula (I). In general formula (I), R 1 represents a hydrogen atom, a substituted or unsubstituted 1C-20C alkyl group, or a substituted or unsubstituted 1C-20C alkoxy group, A represents a heterocyclic ring residue including at least one nitrogen atom for forming an aromatic complex 6-membered ring, and (n) represents an integer of 1 to 3. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种有机电致发光元件,其具有比使用4,4'-双 - 咔唑基联苯的有机电致发光元件更长的元件寿命。 解决方案:有机电致发光元件包括一对包括阳极和阴极的电极,以及设置在该对电极之间并含有至少由通式(I)表示的化合物的有机发光层。 在通式(I)中,R“SP”表示氢原子,取代或未取代的1C-20C烷基或取代或未取代的1C-20C烷氧基,A表示包括在 形成芳香族复合物6元环的至少一个氮原子,(n)表示1〜3的整数。(C)2011,JPO&INPIT
    • 5. 发明专利
    • Organic electroluminescent device and display medium
    • 有机电致发光器件和显示介质
    • JP2010262995A
    • 2010-11-18
    • JP2009110982
    • 2009-04-30
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • IMAI AKIRAHORIBA KOJIHIROSE HIDEKAZUAGATA TAKESHISATO KATSUHIRO
    • H01L51/50C07D513/04C09K11/06
    • C07D513/04H01L51/0071H01L51/5012H01L51/5048
    • PROBLEM TO BE SOLVED: To provide an organic electroluminescent device with a long element life. SOLUTION: An organic electroluminescent device includes an organic compound layer including one or more layers interposed between a pair of electrodes, at least one layer included in the organic compound layer containing one or more kind of compounds represented by the following general formula (I): in formula (I), R 1 s each independently representing a linear alkyl group having from 3 to 20 carbon atoms, linear alkoxy group having from 3 to 20 carbon atoms, branched alkyl group having from 3 to 20 carbon atoms, or branched alkoxy group having from 3 to 20 carbon atoms; and R 2 s each independently representing a hydrogen atom, a linear alkyl group having from 1 to 20 carbon atoms, a linear alkoxy group having from 1 to 20 carbon atoms, a branched alkyl group having from 3 to 20 carbon atoms, or a branched alkoxy group having from 3 to 20 carbon atoms. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供具有长元件寿命的有机电致发光器件。 解决方案:有机电致发光器件包括一个有机化合物层,该有机化合物层包括插在一对电极之间的一层或多层,包含在有机化合物层中的至少一层含有一种或多种由以下通式表示的化合物 I):在式(I)中,R“SP”1各自独立地表示具有3至20个碳原子的直链烷基,具有3至20个碳原子的直链烷氧基,支链烷基具有 3〜20个碳原子的烷氧基或碳原子数3〜20的支链烷氧基; 和R 2各自独立地表示氢原子,具有1至20个碳原子的直链烷基,具有1至20个碳原子的直链烷氧基,支链烷基具有3至 20个碳原子,或具有3〜20个碳原子的支链烷氧基。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Organic electroluminescent element
    • 有机电致发光元件
    • JP2008004636A
    • 2008-01-10
    • JP2006170482
    • 2006-06-20
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • OKUDA DAISUKEISHII TORUYONEYAMA HIROTONISHINO YOHEIIMAI AKIRAOZAKI TADAYOSHIHIROSE HIDEKAZUSEKI MIEKOHORIBA KOJIAGATA TAKESHIMASHITA KIYOKAZUSATO KATSUHIRO
    • H01L51/50C08G63/685C08G63/688C09K11/06H05B33/26
    • PROBLEM TO BE SOLVED: To provide an organic electroluminescent element having a sufficient luminance and exhibiting excellent safety and durability in which fabrication can be facilitated while increasing the area, occurrence of defect is reduced in fabrication, and impairment is suppressed in element performance with time. SOLUTION: In the organic electroluminescent element, at least one organic compound layer contains charge transportation polyester having the structure of diaryl diamine, and the organic compound layer has a thickness of 20-100 nm containing charge transportation polyester and located on the side closest to the anode. Further, a buffer layer contains a charge transportation polymer having the structure of PEDOT as a charge injection material. The cathode has a first layer containing what is selected from alkaline metal oxide, alkaline earth metal oxide, alkali metal halide, and alkaline earth metal halide; and a second layer containing what is selected from alkali metal and alkaline earth metal. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供具有足够的亮度并且表现出优异的安全性和耐久性的有机电致发光元件,其中可以在增加面积的同时方便制造,同时在制造中减少了缺陷的发生,并且元件性能受到抑制 随着时间的推移。 解决方案:在有机电致发光元件中,至少一种有机化合物层含有具有二芳基二胺结构的电荷输送聚酯,有机化合物层的厚度为20-100nm,含有电荷输送聚酯,位于侧面 最靠近阳极。 此外,缓冲层含有具有PEDOT结构的电荷输送聚合物作为电荷注入材料。 阴极具有包含选自碱金属氧化物,碱土金属氧化物,碱金属卤化物和碱土金属卤化物的第一层; 和含有选自碱金属和碱土金属的第二层。 版权所有(C)2008,JPO&INPIT