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.:

US 8421339 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 16, 2013

Filed:

Nov. 17, 2009
Applicants:

Yohei Nishino, Kanagawa, JP;

Hirohito Yoneyama, Kanagawa, JP;

Yoshinori Yamaguchi, Kanagawa, JP;

Takashi Matsumura, Kanagawa, JP;

Kiyokazu Mashimo, Kanagawa, JP;

Katsuhiro Sato, Kanagawa, JP;

Inventors:

Yohei Nishino, Kanagawa, JP;

Hirohito Yoneyama, Kanagawa, JP;

Yoshinori Yamaguchi, Kanagawa, JP;

Takashi Matsumura, Kanagawa, JP;

Kiyokazu Mashimo, Kanagawa, JP;

Katsuhiro Sato, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
Abstract

An organic electroluminescent device includes: a pair of electrodes; a first light-emitting region that is disposed between the pair of electrodes, and that emits light when a voltage is applied between the pair of electrodes such that one of the pair of electrodes serves as an anode; and a second light-emitting region that is disposed between the pair of electrodes, and that emits light when a voltage is applied between the pair of electrodes such that the other of the pair of electrodes serves as an anode.


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Nishino, Yohei. (2013). Organic electroluminescent device, exposure device, process cartridge, image forming apparatus, display apparatus, and method for driving organic electroluminescent device (U.S. Patent No. 8421339). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8421339

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