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:
Jun. 25, 2013
Filed:
Jun. 15, 2009
Naoyuki Ito, Yokohama, JP;
Nobutaka Mizuno, Mobara, JP;
Naoto Nakamura, Mobara, JP;
Masami Iseki, Mobara, JP;
Naoyuki Ito, Yokohama, JP;
Nobutaka Mizuno, Mobara, JP;
Naoto Nakamura, Mobara, JP;
Masami Iseki, Mobara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a stacked organic light-emitting device in which organic compound layers for respective emission colors are capable of separately emitting light. The stacked organic light-emitting device includes a first organic compound layer, a second organic compound layer, and a third organic compound layer, which have emission colors different from each other. The first organic compound layer is provided on one side of a common transparent electrode, and the second organic compound layer and the third organic compound layer are provided on another side thereof. The first organic compound layer has a polarity direction opposite to polarity directions of the second organic compound layer and the third organic compound layer.