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:
Sep. 04, 2007
Filed:
May. 18, 2004
Isamu Ohshita, Yamagata, JP;
Takashi Yahagi, Yamagata, JP;
Hiroyuki Kura, Yamagata, JP;
Masatoshi Yamaki, Yamagata, JP;
Hiroshi Itoh, Yamagata, JP;
Isamu Ohshita, Yamagata, JP;
Takashi Yahagi, Yamagata, JP;
Hiroyuki Kura, Yamagata, JP;
Masatoshi Yamaki, Yamagata, JP;
Hiroshi Itoh, Yamagata, JP;
Tohoku Pioneer Corporation, Yamagata, JP;
Abstract
An organic electroluminescent element formed on a substrate has a layer structure in which organic layer including an organic electroluminescent layer is sandwiched between a pair of electrodes. A film formation region of an emission layer which is made of a uniform film forming material in accordance with one opening of a film forming mask is formed by plural layers including a first emission layer and a second emission layer. The layers are formed at each setting of the film forming mask.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile