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:
Jan. 23, 2007
Filed:
Feb. 13, 2004
Toshiya Sagisaka, Yokohama, JP;
Masaomi Sasaki, Susono, JP;
Masafumi Torii, Yokohama, JP;
Shinichi Kawamura, Ushiku, JP;
Takashi Okada, Yokohama, JP;
Yoshinobu Nakayama, Setagaya-ku, JP;
Yoshikazu Akiyama, Yokohama, JP;
Hitoshi Kondoh, Sagamihara, JP;
Hidenori Tomono, Yokohama, JP;
Takumi Yamaga, Yokohama, JP;
Toshiya Sagisaka, Yokohama, JP;
Masaomi Sasaki, Susono, JP;
Masafumi Torii, Yokohama, JP;
Shinichi Kawamura, Ushiku, JP;
Takashi Okada, Yokohama, JP;
Yoshinobu Nakayama, Setagaya-ku, JP;
Yoshikazu Akiyama, Yokohama, JP;
Hitoshi Kondoh, Sagamihara, JP;
Hidenori Tomono, Yokohama, JP;
Takumi Yamaga, Yokohama, JP;
Ricoh Company, Ltd., Yokohama, JP;
Abstract
An aryl amine polymer is provided which contains a specific repeat unit, its use in preparing an organic semiconductor material which contains the aryl amine polymer and an additional specific compound and in the preparation of organic light emitting devices (OLED), organic thin film transistors (TFT) and so on, along with an organic TFT including a substrate, an organic semiconductor layer which contains the organic semiconductor material and is located overlying the substrate, an electrode pair of a source electrode and a drain electrode; and a third electrode.