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. 11, 2004
Filed:
Mar. 22, 2002
Applicant:
Inventors:
Masaaki Inoue, Tokyo, JP;
Masakatsu Ukon, Tokyo, JP;
Tsuyoshi Watanabe, Sunnyvale, CA (US);
Yo Shimizu, Ikeda, JP;
Hirosato Monobe, Ikeda, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/958 ; H01L 3/104 ;
U.S. Cl.
CPC ...
C09K 1/958 ; H01L 3/104 ;
Abstract
According to the present invention, a high-speed charge transport material is provided which comprises a polymer of a liquid crystal material which is a triphenylene compound having at least one specific unsaturated group in a molecule. The high-speed charge transport material can achieve a high-speed charge transport of not lower than 1×10 cm ·V ·S within a wide temperature range.