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:
Apr. 09, 2024
Filed:
Aug. 30, 2019
Lapto Co., Ltd., Seongnam-si, KR;
Moon-ki Seok, Seongnam-si, KR;
Byung-soo Go, Seongnam-si, KR;
Chul-soo Lim, Seongnam-si, KR;
Hyun-a Kim, Seongnam-si, KR;
Kyou-sic Kim, Seongnam-si, KR;
Yong-pil Park, Seongnam-si, KR;
Kap-jong Han, Seongnam-si, KR;
Eu-gene Oh, Seongnam-si, KR;
LAPTO CO., LTD., Seongnam-si, KR;
Abstract
Provided is a tribenzazole amine derivative represented by Formula 1 that effectively absorbs high energy UV light from an external light source to minimize damage to organic materials present in an organic electroluminescent device, contributing to a substantial improvement in the lifetime of the organic electroluminescent device. Also provided is an organic electroluminescent device using the tribenzazole amine derivative. The organic electroluminescent device includes a first electrode, a second electrode, and an organic layer arranged between the first and second electrodes. The organic layer includes the tribenzazole amine derivative.