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. 30, 2014
Filed:
Jul. 11, 2013
Applicant:
National Tsing Hua University, Hsinchu City, TW;
Inventors:
Chien-Tien Chen, Hsinchu, TW;
Wei-Shan Chao, Hsinchu, TW;
Hao-Wei Liu, Hsinchu, TW;
Wei-Sheng Su, Hsinchu, TW;
Assignee:
National Tsing Hua University, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 35/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optoelectronic materials for OLED is represented by formula (I): wherein Ris selected from a group consisting of formulas (II)-(VI): wherein Rand Rare identical and selected from a group consisting of formula (VII) and formula (VIII): The optoelectronic materials possesses superior luminescent performance and thermal stability and is suitable to be a new type of ambipolar materials for OLED elements.