Liquid crystal light value in combination with cathode ray tube

Details Liquid crystal light value in combination with cathode ray tube Liquid crystal light value in combination with cathode ray tube

1992-04-01

1993-04-13

Cooper, Jack

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

2523014R, 313468, 340794, 340795, 359 72, G02F 11335, G02F 1135

Patent

active

052027775

ABSTRACT:
A far-red emitting phosphor for cathode ray tubes used in liquid crystal light valves comprises Y.sub.3-y Gd.sub.y Al.sub.5-x Ga.sub.x O.sub.12 :A, where x ranges from 0 to 5, y ranges from 0 to 3, and A is selected from the group consisting of chromium, iron, vanadium, neodymium, dysprosium, cobalt, nickel, titanium or combination thereof.

REFERENCES:
patent: 4315832 (1982-02-01), Pastor et al.
Burns et al., "Physical Review", vol. 139, No. 5A, pp. 1687-1693 (1965).
Wood et al., "J. of Chem. Phys.", vol. 39, No. 4, pp. 890-898 (1963).
Sevast'yanov et al., "Chem. Abstr.", vol. 78, 1973, 166,773q.
Nippon "Chem. Abstr.", vol. 94, 1981, 217,409R.

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