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. 30, 2021
Filed:
Jun. 27, 2019
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventors:
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5262 (2013.01); H01L 51/5203 (2013.01); H01L 51/5275 (2013.01);
Abstract
A lighting apparatus including an organic light emitting diode includes an organic light emitting diode unit which includes an organic layer disposed on a substrate, wherein the organic light emitting diode emits light with an angle with respect to a normal direction of the organic layer; and an external light extracting layer which refracts the light emitted by the organic light emitting diode unit to the normal direction of the organic layer.