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. 21, 2020
Filed:
Jun. 26, 2017
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Sung-Moo Kim, Paju-si, KR;
Kyoung-Ji Bae, Uiwang-si, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H01L 27/32 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/508 (2013.01); H01L 27/3213 (2013.01); H01L 27/3246 (2013.01); H01L 51/0004 (2013.01); H01L 51/504 (2013.01); H01L 51/5056 (2013.01); H01L 51/5008 (2013.01); H01L 51/5096 (2013.01); H01L 2251/558 (2013.01);
Abstract
An organic light emitting diode includes a first electrode; a hole auxiliary layer on the first electrode; a light emitting material layer on the hole auxiliary layer and emitting white light; an electron auxiliary layer on the light emitting material layer; and a second electrode on the electron auxiliary layer, wherein the light emitting material layer includes a first light emitting material layer, a second light emitting material layer and a third light emitting material layer sequentially layered, and wherein the first light emitting material layer includes an electron blocking material.