OPTICAL DISPLAY SYSTEM AND METHOD, ACTIVE AND PASSIVE DITHERING USING BIREFRINGENCE, COLOR IMAGE SUPERPOSITIONING AND DISPLAY ENHANCEMENT

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EP 0 789 852 A1

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(43)	Date of publication:
	20.08.1997 Bulletin 1997/34

(21)	Application number: 95941333.0

(22)	Date of filing: 25.10.1995

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International Patent Classification (IPC):

G02B 5/ 30^{( . )}
G09G 3/ 34^{( . )}
H04N 5/ 66^{( . )}
H04N 9/ 30^{( . )}
H04N 13/ 00^{( . )}

(86)	International application number:
	PCT/US1995/013722

(87)	International publication number:
	WO 1996/012978 (02.05.1996 Gazette 1996/20)

(84)	Designated Contracting States:
	DE FR GB NL

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Priority:

25.10.1994 US 19940328375
22.02.1995 US 19950392055
03.03.1995 US 19950398292
23.07.1995 US 19950001972P

(60)	Divisional application:
	00122867.5 / 1111575

(60)	Divisional application:
	08104415.8 / 1995715

(71)	Applicant: Fergason, James L.
	Atherton, CA 94027-3902 (US)

(72)	Inventor:
	Fergason, James L. Atherton, CA 94027-3902 (US)

(74)	Representative: Williams, Janice
	D. Young & Co., 21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)

(54)	OPTICAL DISPLAY SYSTEM AND METHOD, ACTIVE AND PASSIVE DITHERING USING BIREFRINGENCE, COLOR IMAGE SUPERPOSITIONING AND DISPLAY ENHANCEMENT