04824208 is referenced by 48 patents and cites 17 patents.

A display comprising optical means for presenting an absence of light over a controlled viewing angle and means for selectively scattering or transmitting light in response to a prescribed input to effect a display of information within said viewing angle.

Title
Display for contrast enhancement
Application Number
645457
Publication Number
4824208
Application Date
October 5, 1987
Publication Date
April 25, 1989
Inventor
Robert Parker
Alamo
CA, US
James L Fergason
Atherton
CA, US
Agent
Flehr Hohbach Test Albritton & Herbert
Assignee
Talig Corporation
CA, US
IPC
G02F 1/13
G02B 27/00
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