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:
Dec. 17, 2024
Filed:
Dec. 08, 2021
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Dongmyung Lee, Paju-si, KR;
Yonghoon Choi, Paju-si, KR;
Sookang Kim, Paju-si, KR;
Jintae Kim, Paju-si, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/15 (2006.01); H01L 33/38 (2010.01); H01L 33/50 (2010.01); H01L 33/62 (2010.01);
U.S. Cl.
CPC ...
H01L 27/156 (2013.01); H01L 33/38 (2013.01); H01L 33/50 (2013.01); H01L 33/62 (2013.01);
Abstract
A light emitting display apparatus includes a substrate including a plurality of pixels each including an emission area; a light extraction pattern including a plurality of concave portions in the emission area; and a light emitting portion over the light extraction pattern, wherein at least one of the plurality of concave portions has a curvature of 0.217 μmto 0.311 μm.