(19)
(11) EP 1 390 941 A1

(12)

(43) Date of publication:
25.02.2004 Bulletin 2004/09

(21) Application number: 01968048.7

(22) Date of filing: 12.09.2001
(51) International Patent Classification (IPC)7G09G 3/36, G09G 5/00
(86) International application number:
PCT/US2001/026017
(87) International publication number:
WO 2002/086855 (31.10.2002 Gazette 2002/44)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 18.04.2001 US 836319
18.04.2001 US 836329
18.04.2001 US 836640

(71) Applicant: Kent Displays Incorporated
Kent, OH 44240 (US)

(72) Inventors:
  • HUANG, Xaio-Yang
    Stow, OH 44224 (US)
  • MILLER, Nick, Martin
    Rootstown, OH 44272 (US)

(74) Representative: HOFFMANN - EITLE 
Patent- und RechtsanwälteArabellastrasse 4
81925 München
81925 München (DE)

   


(54) ACTIVE MATRIX ADDRESSED BISTABLE REFLECTIVE CHOLESTERIC DISPLAYS AND GRAPHIC CONTROLLERS AND OPERATING METHODS THEREFOR