Light diffusing reflector for electro-optical displays and proce

Details Light diffusing reflector for electro-optical displays and proce Light diffusing reflector for electro-optical displays and proce

1980-08-06

1983-11-15

Corbin, John K.

350339D, G02F 113

Patent

active

044152361

ABSTRACT:
A light-diffusing reflector for electro-optical displays, especially displays which are based on the principle of a nematic liquid crystal rotating cell, wherein the reflector is formed of a metal foil with a reflecting surface having a first surface structure determined by furrow-shaped depressions, i.e. groover disposed in a preferential direction, and wherein a second groove structure formed as secondary groover in at least two different preferential directions which do not coincide with the preferential direction of the furrow-shaped groover of the first groove structure is embossed by pressing or rolling secondary groover into the metal foil such that the reflective surface is at least approximately optically isotropic.

REFERENCES:
patent: 3881809 (1975-05-01), Fergason et al.
patent: 4042294 (1977-08-01), Billings, Jr. et al.
patent: 4043636 (1977-08-01), Eberhardt et al.
patent: 4106859 (1978-08-01), Doriguzzi et al.
Troupeau, "Improved Diurnal Reflector," published London, England, 1854.

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