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.

Date of Patent:
Mar. 22, 2011

Filed:

Jun. 30, 2009
Applicants:

Takafumi Noguchi, Kanagawa, JP;

Masayuki Mishima, Kanagawa, JP;

Inventors:

Takafumi Noguchi, Kanagawa, JP;

Masayuki Mishima, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An organic light emitting diode comprising a pair of electrodes and a stack including a hole transport layer, a light emitting layer, and an electron transport layer, the stack being intermediate between the electrodes, the light emitting layer being of a material having hole mobility and electron mobility equal to or lower than hole mobility of the hole transport layer and electron mobility of the electron transport layer, respectively.


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