(19)
(11) EP 0 829 846 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.04.1998 Bulletin 1998/16

(43) Date of publication A2:
18.03.1998 Bulletin 1998/12

(21) Application number: 97115719.3

(22) Date of filing: 10.09.1997
(51) International Patent Classification (IPC)6G09G 3/28
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 17.09.1996 US 715166
25.12.1996 JP 345685/96

(71) Applicant: HITACHI, LTD.
Chiyoda-ku, Tokyo 101 (JP)

(72) Inventors:
  • Kougami, Akihiko, no. 502 Daini-kiraku-haitsu
    Yokohama-shi, Kanagawa-ken 244 (JP)
  • Suzuki, Keizou
    Kodaira-shi, Tokyo 187 (JP)
  • Oosawa, Michitaka
    Fujisawa-shi, Kanagawa-ken 251 (JP)
  • Ishigaki, Masaji
    Yokohama-shi, Kanagawa-ken 244 (JP)
  • Naka, Kazutaka, no. 304 Daijuusan-yamani-haitsu
    Yokohama-shi, Kanagawa-ken 244 (JP)
  • Ootaka, Hiroshi, no. 105 Kopo-shimokurata
    Yokohama-shi, Kanagawa-ken 244 (JP)
  • Orita, Isamu
    Kokubunji-shi, Tokyo 185 (JP)
  • Sakamoto, Kouzou
    Nerima-ku, Tokyo 177 (JP)
  • Mikoshiba, Shigeo
    Tokyo 168 (JP)
  • Okabe, Tateaki
    Nishitama-gun, Tokyo 190-01 (JP)
  • Eto, Masahiro
    Mobara-shi, Chiba-ken 297 (JP)

(74) Representative: Altenburg, Udo, Dipl.-Phys. et al
Patent- und Rechtsanwälte, Bardehle . Pagenberg . Dost . Altenburg . Frohwitter . Geissler & Partner, Galileiplatz 1
81679 München
81679 München (DE)

   


(54) Driving method and circuit for display and display apparatus using thereof


(57) In a method for driving a display device, by which energy stored in a plurality of electrodes serving as a capacitive load is recovered through switches, current paths for charging said electrodes from a charge supplying source differ from current paths for discharging the electrodes for the energy recovery.







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