Enhanced light-scattering display

Details Enhanced light-scattering display Enhanced light-scattering display

2006-11-28

2006-11-28

Dudek, James A. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S113000

Reexamination Certificate

active

07142268

ABSTRACT:
A combination of a relatively low backscatter diffuser with a specularly reflective or weakly scattering transducer to achieve the required front of screen properties for a paper-like display. The diffuser, which may be of the volume or surface relief type, in enclosed in the display cell. The transducer may be any one of several electro-optically active materials such as a liquid crystal, electrochromic or electrophoretic types.

REFERENCES:
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patent: 5408344 (1995-04-01), Takiguchi et al.
patent: 5929956 (1999-07-01), Neijzen et al.
patent: 6130733 (2000-10-01), Lowe
patent: W98/23996 (1998-04-01), None
Cornelissen et al, “Refelective direct-view LCDs using polymer dispersed liquid crystal (PDLC) and dielectric reflectors”, Society of Information Display, 1997 IDRC conference porceedings, pp. 144-147, Sep. 15, 1997.

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