Display system having two liquid crystal layers for displaying f

Details Display system having two liquid crystal layers for displaying f Display system having two liquid crystal layers for displaying f

1994-05-18

1996-07-16

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

G02F 11343, G02F 11335, G02F 11347

Patent

active

055372368

ABSTRACT:
A liquid crystal display system comprising a first display member overlying a second display member. Each member comprises two transparent layers (such as glass), coated with polariser and separated by a layer of liquid crystal. Each member has a set of individually actuable display elements. The display elements in the second member, and are visible through the first member.

REFERENCES:
patent: 3512028 (1970-05-01), McNaney
patent: 3903519 (1975-09-01), Zega
patent: 4277786 (1981-07-01), Waldron
patent: 4449123 (1984-05-01), Muranaga
patent: 4641923 (1987-02-01), Bohmer et al.
patent: 4815824 (1989-03-01), Sharples
patent: 4952036 (1990-08-01), Gulick et al.

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