(19)
(11) EP 0 686 272 A1

(12)

(43) Date of publication:
13.12.1995 Bulletin 1995/50

(21) Application number: 94909739.0

(22) Date of filing: 28.02.1994
(51) International Patent Classification (IPC): 
G02F 1/ 133( . )
G02F 1/ 1343( . )
(86) International application number:
PCT/US1994/001857
(87) International publication number:
WO 1994/019720 (01.09.1994 Gazette 1994/20)
(84) Designated Contracting States:
DE FR GB NL

(30) Priority: 26.02.1993 US 19930023533

(71) Applicant: HONEYWELL INC.
Minneapolis Minnesota 55408 (US)

(72) Inventors:
  • JOHNSON, Michael, J.
    Phoenix, AZ 85022 (US)
  • TURNER, John, F.
    Scottsdale, AZ 85260 (US)

(74) Representative: Rentzsch, Heinz, Dipl.-Ing., et al 
Honeywell Holding AG, Patent- und Lizenzabteilung, Kaiserleistrasse 39
D-63067 Offenbach
D-63067 Offenbach (DE)

   


(54) SELF-REFERENCED HALF-TONE LIQUID CRYSTAL DISPLAY