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:
Apr. 23, 2019
Filed:
Dec. 28, 2017
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventor:
Mi-Na Kim, Paju-si, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/32 (2006.01); H01L 51/52 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 27/3209 (2013.01); H01L 51/504 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); H01L 27/3211 (2013.01);
Abstract
An organic light emitting device and an organic light emitting display device using the same are discussed, for changing a structure of an emissive layer to enhance viewing angle characteristics and lifespan. Emissive layers having hosts with different characteristics are stacked to prevent visual reduction depending on a viewing angle and to enhance a lifespan.