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. 11, 2021
Filed:
May. 11, 2018
Applicants:
Feng-wen Yen, Taipei, TW;
Li-chieh Chuang, Nantou, TW;
Tsun-yuan Huang, Chiayi, TW;
Inventors:
Assignee:
LUMINESCENCE TECHNOLOGY CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/94 (2006.01); H01L 51/00 (2006.01); C09K 11/06 (2006.01); C07D 495/20 (2006.01); C07D 409/04 (2006.01); C07D 519/00 (2006.01); C07D 405/12 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0061 (2013.01); C07D 307/94 (2013.01); C07D 405/12 (2013.01); C07D 409/04 (2013.01); C07D 495/20 (2013.01); C07D 519/00 (2013.01); C09K 11/06 (2013.01); H01L 51/0072 (2013.01); H01L 51/0074 (2013.01); C09K 2211/1018 (2013.01); H01L 51/0071 (2013.01); H01L 51/0073 (2013.01); H01L 51/5012 (2013.01);
Abstract
A heteroaromatic compound which can be used as the fluorescent guest material in the light emitting layer of the organic electroluminescence device is disclosed. The organic electroluminescence device employing the heteroaromatic compound of the present invention shows lower power consumption, higher efficiency, and longer half-life time than the existed organic electroluminescence devices.