Wavelength-selective reflection film comprising liquid...

Details Wavelength-selective reflection film comprising liquid... Wavelength-selective reflection film comprising liquid...

2005-07-05

2005-07-05

Parker, Kenneth (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

Reexamination Certificate

active

06914653

ABSTRACT:
A wavelength-selective reflection film comprises at least one layer. In the layer, liquid crystal molecules are aligned in a chiral smectic phase. The chiral smectic phase has a helical pitch and an average refractive index. The product of the helical pitch and the average refractive index is in the range of 213 to 450 nm. The layer selectively reflects light in a particular wavelength range, and selectively transmits light in another wavelength range.

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patent: 2000-221493 (2000-08-01), None

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