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:
Mar. 29, 2005
Filed:
Mar. 17, 2003
Tadayoshi Ozaki, Minamiashigara, JP;
Mieko Seki, Minamiashigara, JP;
Hirohito Yoneyama, Minamiashigara, JP;
Daisuke Okuda, Minamiashigara, JP;
Hidekazu Hirose, Minamiashigara, JP;
Takeshi Agata, Minamiashigara, JP;
Toru Ishii, Minamiashigara, JP;
Kiyokazu Mashimo, Minamiashigara, JP;
Katsuhiro Sato, Minamiashigara, JP;
Tadayoshi Ozaki, Minamiashigara, JP;
Mieko Seki, Minamiashigara, JP;
Hirohito Yoneyama, Minamiashigara, JP;
Daisuke Okuda, Minamiashigara, JP;
Hidekazu Hirose, Minamiashigara, JP;
Takeshi Agata, Minamiashigara, JP;
Toru Ishii, Minamiashigara, JP;
Kiyokazu Mashimo, Minamiashigara, JP;
Katsuhiro Sato, Minamiashigara, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An organic electro-luminescent device comprising one or more organic compound layers sandwiched between a pair of electrodes, at least one of which electrodes is transparent or semi-transparent, wherein at least one of the one or more organic compound layers comprises at least one polyurethane compound having a repeating unit represented by the following general formula (I). At least one of A and B in general formula (I) represents a divalent group represented by one of the following general formulae (II) to (VI).—(OCONH-A-NHCOO—B)—  General Formula (I)