Organic EL display

Details Organic EL display Organic EL display

2005-09-26

2008-07-22

Guharay, Karabi (Department: 2889)

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

C313S498000, C313S504000, C313S506000, C313S512000

Reexamination Certificate

active

07402939

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.

REFERENCES:
patent: 2002/0180348 (2002-12-01), Oda et al.
patent: 2004/0013076 (2004-01-01), Funato et al.
patent: 2004/0183433 (2004-09-01), Cho et al.
patent: 2005/0023967 (2005-02-01), Gotoh et al.
patent: 2005/0026530 (2005-02-01), Toguchi et al.
patent: 2005/0077820 (2005-04-01), Onishi et al.
patent: 2991183 (1999-10-01), None
patent: 2003-115377 (2003-04-01), None

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