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:
Jul. 22, 2008
Filed:
Sep. 26, 2005
Applicants:
Hirofumi Kubota, Kanazawa, JP;
Satoshi Okutani, Ishikawa-gun, JP;
Tsuyoshi Uemura, Kanazawa, JP;
Inventors:
Assignee:
Toshiba Matsushita Display Technology Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 5/16 (2006.01); H01J 61/40 (2006.01); H01K 1/26 (2006.01); H01K 1/30 (2006.01);
U.S. Cl.
CPC ...
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.