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:
Mar. 31, 2020
Filed:
Dec. 11, 2018
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventor:
Tae-Kyung Kim, Paju-si, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01); H01L 27/32 (2006.01); H01L 51/50 (2006.01); G09G 3/3291 (2016.01);
U.S. Cl.
CPC ...
H01L 51/5221 (2013.01); G09G 3/3291 (2013.01); H01L 27/3246 (2013.01); H01L 27/3276 (2013.01); H01L 51/5012 (2013.01); H01L 51/5206 (2013.01); H01L 51/5225 (2013.01); H01L 51/5256 (2013.01); G09G 2310/08 (2013.01);
Abstract
A display apparatus in which a cathode electrode disposed in a display area is prevented from being oxidized. The display apparatus includes a substrate including a display area and a non-display area surrounding the display area, a first electrode formed on the substrate, an organic light emitting layer formed on the first electrode, and a second electrode formed on the organic light emitting layer and including at least one first opening area.