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:
Nov. 10, 2015
Filed:
Jun. 10, 2013
National Tsing Hua University, Hsinchu, TW;
Chien-Hong Cheng, Hsinchu, TW;
Chin-Hsien Chen, Hsinchu, TW;
Lun-Chia Hsu, Hsinchu, TW;
Yu-Wei Chang, Hsinchu, TW;
Ching-Lin Chan, Hsinchu, TW;
National Tsing Hua University, Hsinchu, TW;
Abstract
A 6H-indeno[2,1-b]quinoline derivative has a structure of formula (I). Each of Arand Aris a member selected from the group consisting of a substituted or non-substituted aryl group and a substituted or non-substituted heteroaryl group and Rto Rare substituents. The 6H-indeno[2,1-b]quinoline derivative of the present invention is provided with thermal stability. Chemical compounds of the present invention are adequate for the materials of the light-emitting layer of an OLED device with high device performance.