Retardation layer and organic light-emitting device...

Details Retardation layer and organic light-emitting device... Retardation layer and organic light-emitting device...

2011-07-26

2011-07-26

Williams, Joseph L (Department: 2889)

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

C427S163100, C359S489070

Reexamination Certificate

active

07985113

ABSTRACT:
A wideband retardation layer (or film) that can perform circular polarizing so that the retardation layer can be formed with an organic light-emitting device to be relatively thin and have a relatively high contrast with no reduction in brightness, and an organic light-emitting device including the retardation layer. The retardation film includes a base and a retardation layer including an alkali oxide layer grown to be inclined on a surface of the base, wherein the alkali oxide layer is disposed by slant-angle depositing alkali oxide on the surface of the base.

REFERENCES:
patent: 11-295525 (1999-10-01), None
patent: 1994-0021628 (1994-10-01), None
patent: 2002-0015016 (2002-02-01), None
patent: 10-2004-0034374 (2004-04-01), None
patent: 10-2006-0064680 (2006-06-01), None

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