Display device with crossing electrodes with specific ratio for

Details Display device with crossing electrodes with specific ratio for Display device with crossing electrodes with specific ratio for

1994-07-08

1995-04-04

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 87, 359 56, 345149, 345 89, G02F 11343

Patent

active

054042364

ABSTRACT:
An electro-optic display device with grey scale set by areas of crossing electrodes. In one embodiment, there are 3 strip-shaped sub electrodes with a width relationship of 4:2:1, and two strip shaped column electrodes with a relationship of 8:1. In a second embodiment, there are 4 strip-shaped sub electrodes with a width relationship of 8:4:2:1, and two strip shaped column electrodes with a relationship of 16:1.

REFERENCES:
patent: 3944330 (1976-03-01), Tsunoda et al.
patent: 4035060 (1977-07-01), Tsunoda et al.
patent: 4509828 (1985-04-01), Clerc et al.
patent: 4791417 (1988-12-01), Bobak
patent: 4850675 (1989-07-01), Hatanaka et al.
patent: 5124695 (1992-06-01), Green
"Halftone gray scale for matrix-addressed displays," Peter Pleshko, Infoemation Displays, Oct. 1990.

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