Title:
COMPOUND HAVING TRIAZOLE RING STRUCTURE WITH PYRIDYL GROUP ATTACHED THERETO, AND ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2010/084729
Kind Code:
A1
Abstract:
A host compound (represented by general formula (1)) for a light-emitting layer is provided as a material for a high -efficiency organic electroluminescent element. The host compound exhibits excellent electron-transporting ability and excellent hole-blocking ability, has a high excited triplet energy level, and can completely confine the triplet excitons of a phosphor. A high-efficiency and high-luminance organic electroluminescent element using the compound as a constituent material of one pair of electrodes and at least one organic layer present therebetween is also provided. In general formula (1), Ar and R1 are each a (substituted) aromatic hydrocarbon, a (substituted) aromatic heterocycle, or a (substituted) aromatic fused polycycle; R2-14 are each H, D, F, CN, a C1-6 straight-chain or branched alkyl, an aromatic hydrocarbon, a (substituted) aromatic heterocycle, or an aromatic fused polycycle; and m is 0 to 1, and n is 1 to 2 (with the proviso that the sum of m and n is 2).
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Inventors:
YOKOYAMA, Norimasa (45 Miyukigaoka, Tsukuba-shi Ibaraki, 41, 〒3050841, JP)
横山紀昌 (〒41 茨城県つくば市御幸が丘４５番地 Ibaraki, 〒3050841, JP)
HAYASHI, Shuichi (45 Miyukigaoka, Tsukuba-shi Ibaraki, 41, 〒3050841, JP)
林秀一 (〒41 茨城県つくば市御幸が丘４５番地 Ibaraki, 〒3050841, JP)
TANIGUCHI, Yoshio (Shinshu University 3-15-1, Tokida, Ueda-sh, Nagano 67, 〒3868567, JP)
横山紀昌 (〒41 茨城県つくば市御幸が丘４５番地 Ibaraki, 〒3050841, JP)
HAYASHI, Shuichi (45 Miyukigaoka, Tsukuba-shi Ibaraki, 41, 〒3050841, JP)
林秀一 (〒41 茨城県つくば市御幸が丘４５番地 Ibaraki, 〒3050841, JP)
TANIGUCHI, Yoshio (Shinshu University 3-15-1, Tokida, Ueda-sh, Nagano 67, 〒3868567, JP)
Application Number:
JP2010/000243
Publication Date:
July 29, 2010
Filing Date:
January 19, 2010
Export Citation:
Assignee:
HODOGAYA CHEMICAL CO., LTD. (2-4-1 Shiba koen, Minato-ku Tokyo, 11, 〒1050011, JP)
保土谷化学工業株式会社 (〒11 東京都港区芝公園二丁目４番１号 Tokyo, 〒1050011, JP)
Shinshu University (3-1-1, Asahi Matsumoto-sh, Nagano 21, 〒3908621, JP)
国立大学法人信州大学 (〒21 長野県松本市旭三丁目１番１号 Nagano, 〒3908621, JP)
YOKOYAMA, Norimasa (45 Miyukigaoka, Tsukuba-shi Ibaraki, 41, 〒3050841, JP)
横山紀昌 (〒41 茨城県つくば市御幸が丘４５番地 Ibaraki, 〒3050841, JP)
HAYASHI, Shuichi (45 Miyukigaoka, Tsukuba-shi Ibaraki, 41, 〒3050841, JP)
保土谷化学工業株式会社 (〒11 東京都港区芝公園二丁目４番１号 Tokyo, 〒1050011, JP)
Shinshu University (3-1-1, Asahi Matsumoto-sh, Nagano 21, 〒3908621, JP)
国立大学法人信州大学 (〒21 長野県松本市旭三丁目１番１号 Nagano, 〒3908621, JP)
YOKOYAMA, Norimasa (45 Miyukigaoka, Tsukuba-shi Ibaraki, 41, 〒3050841, JP)
横山紀昌 (〒41 茨城県つくば市御幸が丘４５番地 Ibaraki, 〒3050841, JP)
HAYASHI, Shuichi (45 Miyukigaoka, Tsukuba-shi Ibaraki, 41, 〒3050841, JP)
International Classes:
C07D401/14; C09K11/06; H01L51/50
Attorney, Agent or Firm:
SHIMIZU, Yoshihiro (3rd Floor, Yashiro Building 14-4, Takadanobaba 2-chome, Shinjuku-k, Tokyo 75, 〒1690075, JP)
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