Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tsuyoshi Uemura0
Hirofumi Kubota0
Satoshi Okutani0
Date of Patent
July 22, 2008
Patent Application Number
11234181
Date Filed
September 26, 2005
Patent Primary Examiner
Patent abstract
An organic EL display includes an insulating layer with light-transmission property, an organic EL element located on a back side of the insulating layer, a diffraction grating located on the back side of the insulating layer, and an optical film disposed on a front side of the insulating layer and including optically isotropic first portions and optically anisotropic second portions, the first and second portions forming boundaries inclined with respect to a main surface of the optical film.
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