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:
Nov. 24, 2020
Filed:
Dec. 11, 2019
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventor:
JungHyoung Lee, Daejeon, KR;
Assignee:
LG DISPLAY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
H01L 51/5253 (2013.01); H01L 51/5212 (2013.01); H01L 51/5228 (2013.01);
Abstract
A lighting apparatus using an organic light emitting diode comprises a first anode and a second anode respectively disposed in an emission zone and a non-emission zone of an emission area defined at a substrate; a first insulating layer disposed on the second anode; an organic layer and a primary cathode disposed on the first anode; a secondary cathode disposed on the insulating layer and laterally connected to the primary cathode; and an encapsulating material disposed above the substrate, wherein the organic layer is disposed only between the primary cathode and the secondary cathode in the emission zone.