(19)
(11) EP 3 769 144 A1

(12)

(43) Date of publication:
27.01.2021 Bulletin 2021/04

(21) Application number: 19715245.7

(22) Date of filing: 14.03.2019
(51) International Patent Classification (IPC): 
G02B 27/01(2006.01)
(86) International application number:
PCT/JP2019/010637
(87) International publication number:
WO 2019/181746 (26.09.2019 Gazette 2019/39)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 19.03.2018 JP 2018050900
12.10.2018 JP 2018193809

(71) Applicant: Ricoh Company, Ltd.
Tokyo 143-8555 (JP)

(72) Inventors:
  • HIRAKAWA, Makoto
    Tokyo 143-8555 (JP)
  • ICHII, Daisuke
    Yokohama-shi, Kanagawa 222-8530 (JP)

(74) Representative: J A Kemp LLP 
14 South Square Gray's Inn
London WC1R 5JJ
London WC1R 5JJ (GB)

   


(54) IMAGE DISPLAY DEVICE, IMAGE PROJECTION DEVICE, AND MOVING BODY