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:
Dec. 13, 2022
Filed:
Aug. 06, 2019
Applicants:
Feng-wen Yen, Taipei, TW;
Tsun-yuan Huang, Chiayi, TW;
Inventors:
Feng-Wen Yen, Taipei, TW;
Tsun-Yuan Huang, Chiayi, TW;
Assignee:
LUMINESCENCE TECHNOLOGY CORP., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 495/14 (2006.01); C07D 519/00 (2006.01); C07D 491/153 (2006.01); C07D 517/14 (2006.01); C07D 495/04 (2006.01); H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C07D 495/14 (2013.01); C07D 491/153 (2013.01); C07D 495/04 (2013.01); C07D 517/14 (2013.01); C07D 519/00 (2013.01); H01L 51/0052 (2013.01); H01L 51/0069 (2013.01); H01L 51/0071 (2013.01); H01L 51/5016 (2013.01); H01L 51/5072 (2013.01);
Abstract
A heteroacene having the following formula (F) is described. An organic electroluminescence device comprises the heteroacene as a phosphorescent host, a fluorescent host, a hole blocking layer, or an electron transport layer. The heteroacene lowers a driving voltage, or increases a current efficiency or a half-life of the organic electroluminescence device.