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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 9896621 B1

PDFFull Text
Date of Patent:
Feb. 20, 2018

Filed:

Oct. 27, 2015

Organic light-emitting device

Applicant:

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

Inventors:

Myeong-Suk Kim, Yongin-si, KR;

Tae-Kyung Kim, Yongin-si, KR;

Sung-Wook Kim, Yongin-si, KR;

Hwan-Hee Cho, Yongin-si, KR;

Chang-Woong Chu, Yongin-si, KR;

Assignee:

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

Attorney:

Lee & Morse, P.C.

Primary Examiner:

Amanda C Walke

Int. Cl.
CPC ...
C09K 11/02 (2006.01); H01L 51/00 (2006.01); C07C 211/43 (2006.01); C07D 403/10 (2006.01); C07C 211/61 (2006.01); C07D 401/14 (2006.01); C07C 211/49 (2006.01); C07C 211/44 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C09K 11/025 (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); H01L 51/006 (2013.01); H01L 51/0052 (2013.01); H01L 51/0059 (2013.01); H01L 51/0067 (2013.01); H01L 51/0072 (2013.01); H01L 51/5056 (2013.01); H01L 51/5072 (2013.01); H01L 51/5088 (2013.01);
Abstract

An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, a hole transport region between the first electrode and the emission layer, and an electron transport region between the second electrode and the emission layer. The hole transport region includes a first compound represented by one of Formulae 1A, 1B, and 1C, and the electron transport region includes a second compound represented by one of Formulae 40A and 40B:

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Kim, Myeong-Suk. (2018). Organic light-emitting device (U.S. Patent No. 9896621). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9896621

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