Light control device

Details Light control device Light control device

1992-11-09

1995-08-22

Sugarman, Scott J.

Optical: systems and elements

Optical modulator

Light wave directional modulation

359315, 359251, 359254, 385 8, 385 36, 385129, G02F 129

Patent

active

054445671

ABSTRACT:
A light control device including an electro-optical material, a light refraction device mounted on the surface of the electro-optical material and electrodes provided on respective front and back major surfaces of the electro-optical material. A waveguide layer may be formed on the electro-optical material, with one electrode formed on an upper major surface of the waveguide layer and another electrode on the lower major surface of the electro-optical material. A prism or a diffraction grating may be used as the light refraction device. The light control device is particularly useful in laser printers and optical disk devices.

REFERENCES:
patent: 3904270 (1975-09-01), Cheo
patent: 3951513 (1976-04-01), Masi
patent: 4179184 (1979-12-01), Nelson
patent: 4902088 (1990-02-01), Jain et al.
patent: 5144603 (1992-09-01), Mozume et al.
patent: 5153770 (1992-10-01), Harris

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