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:
May. 10, 2011
Filed:
Jun. 28, 2007
Applicants:
Shih-wen Wen, Kaohsiung, TW;
Yao-shan Wu, Kaohsiung, TW;
Huang-ming Kau, Bade, TW;
Inventors:
Assignee:
E-Ray Optoelectronics Technology Co., Ltd., Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 211/61 (2006.01);
U.S. Cl.
CPC ...
Abstract
The claimed invention relates to compounds of the formula (I): wherein X, Y, Ar, Ar, Arand Arare as defined in the specification. The claimed invention also relates to the preparation processes of the said compounds and their uses in the organic electroluminescent device.