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:
May. 21, 2024
Filed:
Apr. 16, 2020
Lg Display Co., Ltd., Seoul, KR;
Inbum Song, Seoul, KR;
Seunghee Yoon, Seoul, KR;
Sunghoon Kim, Seoul, KR;
Seong-Min Park, Seoul, KR;
Tae Wan Lee, Seoul, KR;
Jae Ho Jeong, Incheon, KR;
Jiwoong Yoo, Seoul, KR;
LG DISPLAY CO., LTD., Seoul, KR;
Abstract
Disclosed is an organic electroluminescent device including a first electrode, one or more organic material layers, and a second electrode, wherein the organic material layer includes a light emitting layer, wherein one or more layers of the organic material layer contain a compound represented by Chemical Formula 1, wherein the light emitting layer contains a compound represented by Chemical Formula 2. The organic electroluminescent device has lowered drive voltage, and improved efficiency and lifespan characteristics.