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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 9893293 B1

PDFFull Text
Date of Patent:
Feb. 13, 2018

Filed:

Nov. 10, 2015

Organic electroluminescent device

Applicant:

Samsung Display Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Ikuo Sasaki, Yokohama, JP;

Xiulan Jin, Yokohama, JP;

Masatsugu Ueno, Yokohama, JP;

Koushin Matsuoka, Yokohama, JP;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-Si, Gyeonggi-Do, KR;

Attorney:

Lee & Morse, P.C.

Primary Examiner:

Amanda C Walke

Int. Cl.
CPC ...
C09K 11/00 (2006.01); H01L 51/00 (2006.01); C09K 11/02 (2006.01); C07D 403/10 (2006.01); C07D 401/14 (2006.01); C07C 211/44 (2006.01); C07C 211/61 (2006.01); C07C 211/43 (2006.01); C07C 211/49 (2006.01); C09K 11/06 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/006 (2013.01); C07C 211/43 (2013.01); C07C 211/44 (2013.01); C07C 211/49 (2013.01); C07C 211/61 (2013.01); C07D 401/14 (2013.01); C07D 403/10 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H01L 51/0058 (2013.01); H01L 51/0061 (2013.01); H01L 51/0072 (2013.01); H01L 51/5064 (2013.01); C09K 2211/1014 (2013.01); C09K 2211/1088 (2013.01); H01L 51/0054 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/506 (2013.01); H01L 51/5012 (2013.01); H01L 2251/308 (2013.01); H01L 2251/552 (2013.01);
Abstract

An organic EL device including an anode; an emission layer; an anode-side hole transport layer between the anode and the emission layer, the anode-side hole transport layer including an anode-side hole transport material and being doped with an electron accepting material; an intermediate hole transport layer between the anode-side hole transport layer and the emission layer, the intermediate hole transport layer including an intermediate hole transport material; and an emission layer-side hole transport layer between the intermediate hole transport layer and the emission layer, the emission layer-side hole transport layer being adjacent to the emission layer, wherein the emission layer-side hole transport layer includes an emission layer-side hole transport material represented by the following Formula 1:

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