Low-reflection liquid-crystal display

Details Low-reflection liquid-crystal display Low-reflection liquid-crystal display

1982-09-08

1985-06-04

Corbin, John K.

350166, G02F 1135, G02B 528

Patent

active

045210799

ABSTRACT:
A liquid crystal display enclosing between two parallel plates a liquid crystal layer which can be switched between two optically different states. The plate surfaces facing each other each carry a matching layer on top of which are the electrodes. On top of the electrode is a first layer system with a dielectric layer and a topmost orientation layer. The refraction index n.sub.u of the substrata is smaller than the index n.sub.e of the electrode. The index of the matching layer has the following relationship: ##EQU1## The matching layer has a thickness d.sub.a, according to: ##EQU2## wherein .lambda.=550 nm, m=natural integer >0, and nm=nanometer, The electrode has a thickness d.sub.e, according to: d.sub.e .ltoreq.30 nm or ##EQU3##

REFERENCES:
patent: 3736047 (1973-05-01), Gelber et al.
patent: 4248502 (1981-02-01), Bechteler et al.
Heavens, Optical Properties of Thin Solid Films, Butterworths Scientific Publications, London, 1955, pp. 113-116.

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