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
Feng-wen Yen, Taipei, TW;
Cheng-hao Chang, Miaoli, TW;
Feng-Wen Yen, Taipei, TW;
Cheng-Hao Chang, Miaoli, TW;
Other;
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile