FERROELECTRIC LIQUID CRYSTAL TUNABLE FILTERS AND COLOR GENERATION - Patent 0500683

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EP 0 500 683 A1

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(43)	Date of publication:
	02.09.1992 Bulletin 1992/36

(21)	Application number: 90916906.0

(22)	Date of filing: 30.10.1990

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International Patent Classification (IPC):

G02F 1/ 1335^{( . )}
G02F 1/ 1347^{( . )}
G02F 1/ 141^{( . )}

G02F 1/ 13^{( . )}
G02F 1/ 137^{( . )}

(86)	International application number:
	PCT/US1990/006288

(87)	International publication number:
	WO 1991/006888 (16.05.1991 Gazette 1991/11)

(84)	Designated Contracting States:
	CH DE FR GB LI NL

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Priority:

30.10.1989 US 19890429304
11.05.1990 US 19900522215

(71)	Applicant: UNIVERSITY OF COLORADO FOUNDATION, INC.
	Boulder, CO 80306 (US)

(72)	Inventors:
	JOHNSON, Kristina, M. Boulder, CO 80302 (US) SHARP, Gary, D. Boulder, CO 80302 (US)

(74)	Representative: Fisher, Adrian John, et al
	CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)

(54)	FERROELECTRIC LIQUID CRYSTAL TUNABLE FILTERS AND COLOR GENERATION