Active matrix liquid crystal liquid crystal light valve includin

Details Active matrix liquid crystal liquid crystal light valve includin Active matrix liquid crystal liquid crystal light valve includin

1990-05-21

1991-10-15

Miller, Stanley D.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 71, 359 74, 359 84, G02F 113

Patent

active

050568957

ABSTRACT:
An active matrix liquid crystal light valve is disclosed. The addressing matrix has an array of electrodes to create electric fields across the liquid crystal layer. The light valve has a continuous nonconductive reflector layer, separate and distinct from the electrode array of the active matrix. This light valve has a leveling layer disposed on the active matrix to form a planar surface. The reflector layer is formed as a continuous sheet on the planar surface of the leveling layer. An additional invention is the use of fringing fields to switch substantially all of the liquid crystal, including areas not directly over the electrodes.

REFERENCES:
patent: 3806897 (1974-04-01), Buchan et al.
patent: 4519618 (1985-05-01), Komatsubara et al.
patent: 4542960 (1985-09-01), Yang
patent: 4662719 (1987-05-01), Di Maria et al.
patent: 4744639 (1988-05-01), Tsuboyama et al.
patent: 4852976 (1989-08-01), Suzuki
patent: 4999619 (1991-03-01), Te Velde

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