Prism-patterned broadband reflective polarizer for liquid...

Details Prism-patterned broadband reflective polarizer for liquid... Prism-patterned broadband reflective polarizer for liquid...

2005-03-25

2008-10-07

Wood, Kevin S (Department: 2874)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S096000, C349S115000

Reexamination Certificate

active

07433002

ABSTRACT:
The present invention is related to a method of method of manufacture of a reflective polarizing film that can improve brightness of a liquid crystal display device remarkably by making a liquid crystal film that can cover visible light by using cholesteric liquid crystal layers having different selective light-reflection central wavelengths, attaching a quarter wave (¼ λ) retardation film on top of the liquid crystal film, and adding prism patterns to the opposite side of the liquid crystal film. The reflective polarizing film of the present invention is characterized by that two or more cholesteric liquid crystal layers having different selective reflection wavelength regions are laminated in order from a shorter wavelength to a longer wavelength, and brightness of a liquid crystal display device is maximized owing to an integrated film manufactured by attaching a ¼ λ retardation film onto cholesteric liquid crystal layers and forming prism patterns onto the opposite side.

REFERENCES:
patent: 5050966 (1991-09-01), Berman
patent: 5235443 (1993-08-01), Barnik et al.
patent: 6016177 (2000-01-01), Motomura et al.
patent: 6061108 (2000-05-01), Anderson et al.
patent: 6088079 (2000-07-01), Kameyama et al.
patent: 6103323 (2000-08-01), Motomura et al.
patent: 6248259 (2001-06-01), Izumi et al.
patent: 6342934 (2002-01-01), Kameyama et al.
patent: 6417902 (2002-07-01), Greenfield et al.
patent: 6421107 (2002-07-01), Greenfield et al.
patent: 6654081 (2003-11-01), Kawamoto et al.
patent: 2003-149441 (2003-05-01), None
patent: 2003-279739 (2003-10-01), None
patent: 2003-315556 (2003-11-01), None

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