Liquid crystal display device with retardation layer with...

Details Liquid crystal display device with retardation layer with... Liquid crystal display device with retardation layer with...

2008-01-01

2008-01-01

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S118000, C349S119000, C349S120000, C349S121000

Reexamination Certificate

active

07315341

ABSTRACT:
Disclosed is a liquid crystal display device wherein an optically anisotropic layer is formed on an optical film satisfying that Rth is 0 to 150 nm at 23° C./60% RH and the difference between Rth at 23° C./10% RH and Rth at 23° C./80% RH is 40% or less of Rth at 23° C./60% RH. In the liquid crystal display, liquid crystal cells are optically compensated accurately and less affected in the display properties even when the storage environment changes.

REFERENCES:
patent: 6881457 (2005-04-01), Tasaka et al.
patent: 6892242 (2005-05-01), Tamayama
patent: 2001-114914 (2001-04-01), None
patent: 2002071949 (2002-03-01), None

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