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.:
Date of Patent:
Jan. 28, 2020
Filed:
Jul. 27, 2017
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Jae-Seung Jang, Seoul, KR;
Tae-Shick Kim, Yongin-si, KR;
Hyung-June Kim, Goyang-si, KR;
Min Yun, Suwon-si, KR;
Tae-Seok Lim, Seoul, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2006.01); H01L 51/50 (2006.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5036 (2013.01); H01L 27/3262 (2013.01); H01L 51/5004 (2013.01); H01L 51/5024 (2013.01); H01L 51/5076 (2013.01);
Abstract
A white organic light emitting device, which is increased in color gamut and lifespan, is discussed and an organic light emitting display device using the same and in a stack having different emission layers disposed in contact with each other, particular properties of a host and a dopant in a major emission layer are used.