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.:

US 7052783 B1

PDF
Full Text
Expired
Date of Patent:
May. 30, 2006

Filed:

Nov. 28, 2001
Applicants:

Chin-ti Chen, Taipei, TW;

Hsiu-chih Yeh, Taipei, TW;

Li-hsin Chan, Taoyuan, TW;

Rong-ho Lee, Chiai, TW;

Inventors:

Chin-Ti Chen, Taipei, TW;

Hsiu-Chih Yeh, Taipei, TW;

Li-Hsin Chan, Taoyuan, TW;

Rong-Ho Lee, Chiai, TW;

Assignee:

Academia Sinica, Taipei, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/12 (2006.01); C09K 11/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

This invention relates to tetraphenylmethane-based oxadiazole molecules that act as electron transporting materials to be used in electroluminescent devices. The oxadiazole compounds are of the following formula. Each variable is defined in the specification.


Find Patent Forward Citations

Chen, Chin-Ti. (2006). Oxadiazole tetramers (U.S. Patent No. 7052783). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7052783

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