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. 28, 2020
Filed:
Apr. 14, 2017
Applicants:
Feng-wen Yen, Taipei, TW;
Cheng-hao Chang, Miaoli, TW;
Inventors:
Feng-Wen Yen, Taipei, TW;
Cheng-Hao Chang, Miaoli, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); C07D 519/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0052 (2013.01); C07D 519/00 (2013.01); C09K 11/06 (2013.01); H01L 51/006 (2013.01); H01L 51/0054 (2013.01); H01L 51/0055 (2013.01); H01L 51/0056 (2013.01); H01L 51/0058 (2013.01); H01L 51/0094 (2013.01); C09K 2211/1011 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1096 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/5012 (2013.01); H01L 2251/5384 (2013.01);
Abstract
A light emitting material is represented by the following formula (1), the organic EL device employing the material as delayed fluorescence emitting dopant or fluorescence emitting dopant can display good performance like as lower driving voltage and power consumption, especially doping with the host (H1 to H4) and the second host (SH1 to SH4) can increasing efficiency and half-life time. wherein G represents the following formula (2): L, m, n, p, Rto R, Ar and X are the same definition as described in the present invention.