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:
Jan. 16, 2024
Filed:
May. 11, 2018
Lg Chem, Ltd., Seoul, KR;
Dongheon Kim, Daejeon, KR;
Nansra Heo, Daejeon, KR;
Wanpyo Hong, Daejeon, KR;
Yeon Hwan Kim, Daejeon, KR;
Heungwoo Choi, Daejeon, KR;
Jun Yun, Daejeon, KR;
Hyungjin Lee, Daejeon, KR;
Jae Seung Ha, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Provided is an organic light emitting device that includes an anode, a cathode provided to face the anode, and one or more light emitting units provided between the anode and the cathode, wherein the organic light emitting device includes a charge generation layer provided between the anode and the one light emitting unit, or between the two light emitting units adjacent to each other among the light emitting units, the charge generation layer comprises a p-type charge injection layer, a p-type charge generation layer, or a layer which simultaneously injects and generates p-type charges, and the p-type charge injection layer, the p-type charge generation layer, or the layer which simultaneously injects and generates p-type charges has electric conductivity of 1×10S/cm or more.