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1.发明申请公开(公告)号：US20090009073A1
公开(公告)日：2009-01-08
申请号：US12208237
申请日：2008-09-10
CPC分类号： C07C321/28 , C07C13/567 , C07C13/62 , C07C13/66 , C07C13/72 , C07C15/00 , C07C15/30 , C07C15/38 , C07C43/2055 , C07C43/275 , C07C2602/10 , C07C2603/18 , C07C2603/26 , C07C2603/40 , C07C2603/42 , C07C2603/48 , C07C2603/50 , C07C2603/52 , C07C2603/94 , C07C2603/97 , C09K11/06 , C09K2211/1003 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1044 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/0067 , H01L51/0071 , H01L51/0081 , H01L51/5012 , H01L51/5048 , Y10S428/917
摘要： There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1—Ch—Ar2 (1) Ch1-L-Ch2 (2) Ar3-(L1)a-Ch3-(L2)b-Ar4 (3) Ar5—Ch4—(Ar7)n-L3-(Ar8)m—Ch5—Ar6 (4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same.
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2.发明申请Oligoarylene Derivatives and Organic Electroluminescent Devices Made By Using The Same 审中-公开低聚亚芳基衍生物和使用它们的有机电致发光器件公开(公告)号：US20090009074A1
公开(公告)日：2009-01-08
申请号：US12208253
申请日：2008-09-10
IPC分类号： H01J1/63 , C07C13/66 , C07D403/10
CPC分类号： C07C321/28 , C07C13/567 , C07C13/62 , C07C13/66 , C07C13/72 , C07C15/00 , C07C15/30 , C07C15/38 , C07C43/2055 , C07C43/275 , C07C2602/10 , C07C2603/18 , C07C2603/26 , C07C2603/40 , C07C2603/42 , C07C2603/48 , C07C2603/50 , C07C2603/52 , C07C2603/94 , C07C2603/97 , C09K11/06 , C09K2211/1003 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1044 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/0067 , H01L51/0071 , H01L51/0081 , H01L51/5012 , H01L51/5048 , Y10S428/917
摘要： There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1−Ch−Ar2 (1) Ch1−L−Ch2 (2) Ar3−(L1)a−Ch3−(L2)b−Ar4 (3) Ar5−Ch4−(Ar7)n−L3−(Ar8)m−Ch5−Ar6 (4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same.
摘要翻译： 提供能够以高发光效率发出蓝光的低聚亚芳基衍生物，它们由以下通式（1）至（4）表示：<？in-line-formula description =“In-line formula”end =“lead” ？> Ar1-Ch-Ar2（1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“ 引线“→Ch1-L-Ch2（2）<？in-line-formula description =”In-line Formulas“end =”tail“？> <？in-line-formula description =”In-line Formulas“end =“lead”→Ar3-（L1）a-Ch3-（L2）b-Ar4（3）<？在线公式描述=“在线公式”end =“tail”？> line-formula description =“In-line Formulas”end =“lead”？> Ar5-Ch4-（Ar7）n-L3-（Ar8）m-Ch5-Ar6（4）<？in-line-formula description = 其中Ch，Ch1和Ch2分别是含有至少一个具有14至20个核原子的取代或未取代的稠合芳环的基团; Ch3，Ch4和Ch5分别是具有14至20个核原子的取代或未取代的亚芳基; Ar1，Ar2，Ar3，Ar4，Ar5和Ar6分别是具有5至30个核原子的取代或未取代的芳基; Ar 7和Ar 8分别是取代或未取代的具有5〜30个核原子的亚芳基; L1，L2和L3分别是连接组; a，b，n和m分别为0〜1的整数，以及使用其的有机电致发光元件。
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公开(公告)号：US07429425B2
公开(公告)日：2008-09-30
申请号：US10522546
申请日：2003-08-07
CPC分类号： C07C321/28 , C07C13/567 , C07C13/62 , C07C13/66 , C07C13/72 , C07C15/00 , C07C15/30 , C07C15/38 , C07C43/2055 , C07C43/275 , C07C2602/10 , C07C2603/18 , C07C2603/26 , C07C2603/40 , C07C2603/42 , C07C2603/48 , C07C2603/50 , C07C2603/52 , C07C2603/94 , C07C2603/97 , C09K11/06 , C09K2211/1003 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1044 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/0067 , H01L51/0071 , H01L51/0081 , H01L51/5012 , H01L51/5048 , Y10S428/917
摘要： There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1-Ch-Ar2 (1) Ch1-L-Ch2 (2) Ar3-(L1)a-Ch3-(L2)b-Ar4 (3) Ar5-Ch4-(Ar7)n-L3-(Ar8)m-Ch5-Ar6 (4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same.
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公开(公告)号：US20060134456A1
公开(公告)日：2006-06-22
申请号：US10522546
申请日：2003-08-07
CPC分类号： C07C321/28 , C07C13/567 , C07C13/62 , C07C13/66 , C07C13/72 , C07C15/00 , C07C15/30 , C07C15/38 , C07C43/2055 , C07C43/275 , C07C2602/10 , C07C2603/18 , C07C2603/26 , C07C2603/40 , C07C2603/42 , C07C2603/48 , C07C2603/50 , C07C2603/52 , C07C2603/94 , C07C2603/97 , C09K11/06 , C09K2211/1003 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1044 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/0067 , H01L51/0071 , H01L51/0081 , H01L51/5012 , H01L51/5048 , Y10S428/917
摘要： There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): Ar1-Ch-Ar2 (1) Ch1-L-Ch2 (2) Ar3-(L1)a-Ch3-(L2)b-Ar4 (3) Ar5-Ch4-(Ar7)n-L3-(Ar8)m-Ch5-Ar6 (4) wherein Ch, Ch1 and Ch2 are respectively a group containing at least one substituted or unsubstituted condensed aromatic ring having 14 to 20 nuclear atoms; Ch3, Ch4 and Ch5 are respectively a substituted or unsubstituted arylene group having 14 to 20 nuclear atoms; Ar1, Ar2, Ar3, Ar4, Ar5 and Ar6 are respectively a substituted or unsubstituted aryl group having 5 to 30 nuclear atoms; Ar7 and Ar8 are respectively a substituted or unsubstituted arylene group having 5 to 30 nuclear atoms; L1, L2 and L3 are respectively a connecting group; and a, b, n and m are respectively an integer of 0 to 1, as well as organic electroluminescent devices using the same.
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公开(公告)号：US20060189828A1
公开(公告)日：2006-08-24
申请号：US11344604
申请日：2006-02-01
申请人： Chishio Hosokawa , Masakazu Funahashi , Hisayuki Kawamura , Hiromasa Arai , Hidetoshi Koga , Hidetsugu Ikeda
发明人： Chishio Hosokawa , Masakazu Funahashi , Hisayuki Kawamura , Hiromasa Arai , Hidetoshi Koga , Hidetsugu Ikeda
IPC分类号： C07C211/61 , C09K11/06 , H01L51/54
CPC分类号： C09K11/06 , B01J31/24 , C07C211/54 , C07C211/58 , C07C211/61 , C07C2603/18 , C07C2603/24 , C07C2603/26 , C07C2603/44 , C07C2603/48 , C07C2603/52 , C09K2211/10 , C09K2211/1003 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1092 , H01L51/0042 , H01L51/005 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0068 , H01L51/007 , H01L51/0081 , H01L51/5012 , H01L51/5048 , H01L51/5088 , H01L2251/308 , H05B33/14 , Y10S428/917
摘要： Materials for organic electroluminescence devices are represented by following general formula [1]: wherein A represents a chrysene group, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, a+b+c+d≧0; general formula [2] being: wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.
摘要翻译： 用于有机电致发光器件的材料由以下通式[1]表示：其中A表示一个基团，X 1至X 4各自独立地表示取代或未取代的亚芳基 具有6至30个碳原子，X 1和X 2可以彼此键合，X 3和X 4， SUP>可以彼此键合，Y 1至Y 4各自独立地表示由通式[2]表示的有机基团，a至d各自表示 0〜2，a + b + c + d> = 0; 通式[2]表示：其中R 1至R 4各自独立地表示氢原子，取代或未取代的碳原子数1〜20的烷基，取代或未取代的 具有6至20个碳原子的芳基，氰基或通过R 1和R 2或R 3的连接形成三键和R 3 R 4，Z表示取代或未取代的碳原子数6〜20的芳基，n表示0或1。
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公开(公告)号：US06743948B1
公开(公告)日：2004-06-01
申请号：US09623057
申请日：2000-08-25
申请人： Chishio Hosokawa , Masakazu Funahashi , Hisayuki Kawamura , Hiromasa Arai , Hidetoshi Koga , Hidetsugu Ikeda
发明人： Chishio Hosokawa , Masakazu Funahashi , Hisayuki Kawamura , Hiromasa Arai , Hidetoshi Koga , Hidetsugu Ikeda
IPC分类号： C07C21161
CPC分类号： C09K11/06 , B01J31/24 , C07C211/54 , C07C211/58 , C07C211/61 , C07C2603/18 , C07C2603/24 , C07C2603/26 , C07C2603/44 , C07C2603/48 , C07C2603/52 , C09K2211/10 , C09K2211/1003 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1092 , H01L51/0042 , H01L51/005 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0068 , H01L51/007 , H01L51/0081 , H01L51/5012 , H01L51/5048 , H01L51/5088 , H01L2251/308 , H05B33/14 , Y10S428/917
摘要： Materials for organic electroluminescence devices are represented by following general formula [1]: wherein B represents a substituted or unsubstituted arylene group having 6 to 60 carbon atoms, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, when the arylene group represented by B has 26 or less carbon atoms, a+b+c+d>0 and at least one of the groups represented by B, X1, X2, X3 and X4 has a chrysene nucleus; general formula [2] being:
摘要翻译： 有机电致发光元件的材料由以下通式[1]表示：其中B表示取代或未取代的碳原子数为6〜60的亚芳基，X 1〜X 4各自独立地表示取代或未取代的亚芳基， 6〜30个碳原子，X 1和X 2可以彼此键合，X 3和X 4可以彼此键合，Y 1至Y 4各自独立地表示 由通式[2]表示的有机基团，a〜d各自表示0〜2的整数，当由B表示的亚芳基具有26个以下的碳原子时，a + b + c + d> 0，至少 由B，X 1，X 2，X 3和X 4表示的基团之一具有一个核核; 通用公式[2]为：
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7.发明授权Material for organic electroluminescent device and organic electroluminescent device using same 有权用于有机电致发光器件的材料和使用其的有机电致发光器件公开(公告)号：US07939183B2
公开(公告)日：2011-05-10
申请号：US10584262
申请日：2004-12-24
申请人： Toshihiro Iwakuma , Hisayuki Kawamura , Hidetsugu Ikeda , Chishio Hosokawa , Takashi Arakane , Hiroaki Nakamura
发明人： Toshihiro Iwakuma , Hisayuki Kawamura , Hidetsugu Ikeda , Chishio Hosokawa , Takashi Arakane , Hiroaki Nakamura
IPC分类号： H01L51/54
CPC分类号： H05B33/14 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1044 , C09K2211/1059 , H01L51/0059 , H01L51/0072 , H01L51/0078 , H01L51/0081 , H01L51/0085 , H01L51/5016 , H01L51/5092 , H01L2251/308 , Y10S428/917
摘要： Provided is a material for an organic electroluminescence device, which is composed of a compound having a specific structure; and is capable of providing an organic electroluminescence device having a high luminous efficiency, excellent heat resistance, and a long lifetime while having no pixel defects, and an organic electroluminescence device using the same. The organic electroluminescence device comprises an organic thin film layer composed of one or more layers including at least a light-emitting layer and sandwiched between a cathode and an anode. In the organic electroluminescence device, at least one layer of the organic thin film layer comprises the material for an organic electroluminescence device.
摘要翻译： 提供一种由具有特定结构的化合物组成的有机电致发光器件的材料; 并且能够提供具有高发光效率，优异的耐热性和长寿命而不存在像素缺陷的有机电致发光器件，以及使用该有机电致发光器件的有机电致发光器件。 有机电致发光元件包括由至少包含发光层并夹在阴极和阳极之间的一层或多层构成的有机薄膜层。 在有机电致发光器件中，有机薄膜层的至少一层包含有机电致发光元件用材料。
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公开(公告)号：US20050038296A1
公开(公告)日：2005-02-17
申请号：US10814121
申请日：2004-04-01
申请人： Chishio Hosokawa , Masakazu Funahashi , Hisayuki Kawamura , Hiromasa Arai , Hidetoshi Koga , Hidetsugu Ikeda
发明人： Chishio Hosokawa , Masakazu Funahashi , Hisayuki Kawamura , Hiromasa Arai , Hidetoshi Koga , Hidetsugu Ikeda
IPC分类号： C07C211/54 , C07C211/58 , C07C211/61 , C09K11/06 , H01L51/30 , H01L51/50 , H05B33/12
CPC分类号： C09K11/06 , B01J31/24 , C07C211/54 , C07C211/58 , C07C211/61 , C07C2603/18 , C07C2603/24 , C07C2603/26 , C07C2603/44 , C07C2603/48 , C07C2603/52 , C09K2211/10 , C09K2211/1003 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1092 , H01L51/0042 , H01L51/005 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0068 , H01L51/007 , H01L51/0081 , H01L51/5012 , H01L51/5048 , H01L51/5088 , H01L2251/308 , H05B33/14 , Y10S428/917
摘要： Materials for organic electroluminescence devices are represented by following general formula [1]: general formula [1] wherein A represents a chrysene group X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, a+b+c+d≧0; general formula [2] being: general formula [2] wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.
摘要翻译： 有机电致发光器件的材料由以下通式[1]表示：通式[1]其中A表示X 1〜X 4的基团各自独立地表示取代或未取代的碳原子数为6〜30的亚芳基 X 1和X 2可以彼此键合，X 3和X 4可以彼此键合，Y 1至Y 4各自独立地表示由 通式[2]中，a〜d分别表示0〜2的整数，a + b + c + d> = 0。 通式[2]是：通式[2]其中R 1至R 4各自独立地表示氢原子，取代或未取代的碳原子数1〜20的烷基，取代或未取代的芳基，具有6〜 20个碳原子，氰基或通过R 1和R 2或R 3和R 4的连接形成三键，Z表示取代或未取代的具有6至20个碳原子的芳基和 n表示0或1。
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公开(公告)号：US06951693B2
公开(公告)日：2005-10-04
申请号：US10179179
申请日：2002-06-26
申请人： Chishio Hosokawa , Masakazu Funahashi , Hisayuki Kawamura , Hiromasa Arai , Hidetoshi Koga , Hidetsugu Ikeda
发明人： Chishio Hosokawa , Masakazu Funahashi , Hisayuki Kawamura , Hiromasa Arai , Hidetoshi Koga , Hidetsugu Ikeda
IPC分类号： C07C211/54 , C07C211/58 , C07C211/61 , C09K11/06 , H01L51/30 , H01L51/50 , H05B33/12
CPC分类号： C09K11/06 , B01J31/24 , C07C211/54 , C07C211/58 , C07C211/61 , C07C2603/18 , C07C2603/24 , C07C2603/26 , C07C2603/44 , C07C2603/48 , C07C2603/52 , C09K2211/10 , C09K2211/1003 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1092 , H01L51/0042 , H01L51/005 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0068 , H01L51/007 , H01L51/0081 , H01L51/5012 , H01L51/5048 , H01L51/5088 , H01L2251/308 , H05B33/14 , Y10S428/917
摘要： Materials for organic electroluminescence devices represented by following general formula [1]: wherein A represents a substituted or unsubstituted arylene group having 22 to 60 carbon atoms, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, when the arylene group represented by A has 26 or less carbon atoms, a+b+c+d>0 and the arylene group does not contain two or more anthracene nucleus; general formula [2] being: wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.
摘要翻译： 由以下通式[1]表示的有机电致发光元件用材料：其中A表示取代或未取代的碳原子数22〜60的亚芳基，X 1〜X 4各自独立地 独立地表示取代或未取代的具有6至30个碳原子的亚芳基，X 1和X 2彼此可以彼此键合，X 3， 和X 4彼此键合，Y 1至Y 4各自独立地表示由通式[2]表示的有机基团， a至d各自表示0〜2的整数，当由A表示的亚芳基具有26个或更少的碳原子时，a + b + c + d> 0，并且亚芳基不含有两个或更多个蒽核; 通式[2]表示：其中R 1至R 4各自独立地表示氢原子，取代或未取代的碳原子数1〜20的烷基，取代或未取代的 具有6至20个碳原子的芳基，氰基或通过R 1和R 2或R 3的连接形成三键和R 3 R 4，Z表示取代或未取代的碳原子数6〜20的芳基，n表示0或1。
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10.发明授权Material containing two or three dibenzofuran groups, dibenzothiophene groups, or a combination thereof, which is operable for organic electroluminescence elements, and organic electroluminescence elements using the material 有权含有可用于有机电致发光元件的二或三个二苯并呋喃基团，二苯并噻吩基团或其组合的材料和使用该材料的有机电致发光元件公开(公告)号：US08563145B2
公开(公告)日：2013-10-22
申请号：US12303199
申请日：2007-05-29
CPC分类号： H01L51/0094 , C07F7/0812 , C07F7/30 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/1044 , C09K2211/185 , H01L51/0061 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/0077 , H01L51/0081 , H01L51/0085 , H01L51/5012 , H01L51/5036 , H01L2251/308 , H05B33/14
摘要： An organic electroluminescence device comprising a compound having a specific structure having a heteroatom and an organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer which comprises at least one layer comprising at least a light emitting layer and is disposed between the cathode and the anode, wherein at least one layer in the organic thin film layer comprises the above compound. The device provides excellent efficiency of light emission, forms no defects in pixels, exhibits excellent heat resistance and has a long life.
摘要翻译： 一种有机电致发光器件，包括具有特定结构的具有杂原子的化合物和有机电致发光器件，所述有机电致发光器件包括阴极，阳极和有机薄膜层，所述有机薄膜层至少包括至少一层至少包含发光层的层， 阴极和阳极，其中有机薄膜层中的至少一层包含上述化合物。 该器件提供优异的发光效率，不会在像素上形成缺陷，表现出优异的耐热性，寿命长。
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