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:
Jan. 22, 2019
Filed:
Mar. 04, 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 51/00 (2006.01); C09K 11/06 (2006.01); C09K 11/02 (2006.01); C07D 487/04 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 487/04 (2013.01); C09K 11/025 (2013.01); C09K 11/06 (2013.01); H01L 51/0067 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1059 (2013.01); H01L 51/5012 (2013.01); H01L 51/5016 (2013.01); H01L 51/5072 (2013.01); H01L 51/5096 (2013.01); H01L 2251/5384 (2013.01);
Abstract
There is provided a novel material of formula(1) or formula(2) and the organic EL device employing the novel material as phosphorescent light emitting host of emitting layer, delayed fluorescence dopant of emitting layer, and hole blocking layer can display good performance like as lower driving voltage, power consumption, increasing efficiency and life time. wherein m, Xto Xand Rto Rare the same definition as described in the present invention.