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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11217754 B1

PDFFull Text
Date of Patent:
Jan. 04, 2022

Filed:

Jul. 27, 2015

Organic electroluminescence device

Applicants:

Hodogaya Chemical Co., Ltd., Tokyo, JP;

Sfc Co., Ltd., Chungcheongbuk-do, KR;

Inventors:

Shuichi Hayashi, Tokyo, JP;

Naoaki Kabasawa, Tokyo, JP;

Shunji Mochiduki, Tokyo, JP;

Se-Jin Lee, Chungcheongbuk-do, KR;

Oun-gyu Lee, Chungcheongbuk-do, KR;

Bong-Ki Shin, Chungcheongbuk-do, KR;

Assignees:

HODOGAYA CHEMICAL CO., LTD., Tokyo, JP;

SFC CO., LTD., Chungcheongbuk-Do, KR;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

Jay Yang

Assistant Examiner:

J L Yang

Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07C 211/54 (2006.01); C07C 211/58 (2006.01); C07D 403/04 (2006.01); C07C 211/61 (2006.01); C07D 491/048 (2006.01); C07D 495/04 (2006.01); C07D 495/14 (2006.01); C07D 403/10 (2006.01); C09K 11/06 (2006.01); C07D 493/04 (2006.01); C07C 217/90 (2006.01); C07D 235/08 (2006.01); C07D 239/26 (2006.01); C07D 307/91 (2006.01); C07D 333/76 (2006.01); C07D 401/10 (2006.01); C07D 401/14 (2006.01); C07D 403/14 (2006.01); C07D 409/12 (2006.01); C07D 471/04 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0059 (2013.01); C07C 211/54 (2013.01); C07C 211/58 (2013.01); C07C 211/61 (2013.01); C07C 217/90 (2013.01); C07D 235/08 (2013.01); C07D 239/26 (2013.01); C07D 307/91 (2013.01); C07D 333/76 (2013.01); C07D 401/10 (2013.01); C07D 401/14 (2013.01); C07D 403/04 (2013.01); C07D 403/10 (2013.01); C07D 403/14 (2013.01); C07D 409/12 (2013.01); C07D 471/04 (2013.01); C07D 491/048 (2013.01); C07D 493/04 (2013.01); C07D 495/04 (2013.01); C07D 495/14 (2013.01); C09K 11/06 (2013.01); H01L 51/006 (2013.01); H01L 51/0052 (2013.01); H01L 51/0058 (2013.01); H01L 51/0061 (2013.01); H01L 51/0067 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); C07C 2603/18 (2017.05); H01L 51/0085 (2013.01); H01L 51/5016 (2013.01); H01L 51/5024 (2013.01); H01L 51/5064 (2013.01); H01L 51/5072 (2013.01);
Abstract

According to the present invention, there is provided an organic electroluminescent device which has an anode, a hole transport layer, a luminous layer, an electron transport layer, and a cathode arranged in order of description. The device is characterized in that: the hole transport layer includes a specific arylamine compound, and that the luminous layer includes a specific indenoindole derivative or a specific carbazole derivative. The organic EL device of the present invention has improved efficiency of hole transport from the hole transport layer to the luminous layer and also improved efficiency of electron transport from the electron transport layer to the luminous layer, in comparison to conventional organic EL devices.

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