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:
Dec. 30, 2014
Filed:
Aug. 05, 2008
Hidekazu Kobayashi, Azumino, JP;
Koji Yasukawa, Suwa, JP;
Hidekazu Kobayashi, Azumino, JP;
Koji Yasukawa, Suwa, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A light emitting element includes a reflective layer disposed in a substrate, a first electrode disposed through the reflective layer, a second electrode having translucent reflectivity, a plurality of organic material layers including a light emitting layer disposed between the first electrode and the second electrode, and a light emitting region defined by the first electrode, the second electrode, and the light emitting layer. A first organic material layer of the plurality of organic material layers has a first layer thickness in a first sub region within the light emitting region and has a second layer thickness, which is different from the first layer thickness, in a second sub region within the light emitting region.