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. 02, 2007
Filed:
Sep. 22, 2003
Akira Gyoutoku, Saga, JP;
Takafumi Hamano, Fukuoka, JP;
Yuji Toyomura, Fukuoka, JP;
Tetsuro Nakamura, Hyogo, JP;
Kenichi Masumoto, Oosaka, JP;
Shinya Yamamoto, Fukuoka, JP;
Akira Gyoutoku, Saga, JP;
Takafumi Hamano, Fukuoka, JP;
Yuji Toyomura, Fukuoka, JP;
Tetsuro Nakamura, Hyogo, JP;
Kenichi Masumoto, Oosaka, JP;
Shinya Yamamoto, Fukuoka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
Providing an exposure unit using an organic electroluminescence element with a large emitted light quantity. The organic electroluminescence element has, on a substrate, an anodeacting as a hole injection electrode, a cathodeacting as an electron injection electrode, a first and second emission layersandeach having a light emission region, and a charge generation layerinjecting electrons into the light emission layerlying close to the anodeand injecting holes into the light emission layerlying close to the cathode, these layers being arranged between the anodeand the cathode