US 12,001,020 B2
Display device capable of interpupillary distance adjustment and diopter adjustment, and control method thereof
Makoto Oikawa, Kanagawa (JP); Ryo Yamasaki, Tokyo (JP); Kyouhei Suzuki, Tokyo (JP); and Shunsuke Ninomiya, Kanagawa (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Aug. 11, 2022, as Appl. No. 17/885,652.
Claims priority of application No. 2021-138299 (JP), filed on Aug. 26, 2021; and application No. 2022-003523 (JP), filed on Jan. 13, 2022.
Prior Publication US 2023/0066962 A1, Mar. 2, 2023
Int. Cl. G09G 5/00 (2006.01); G02B 27/01 (2006.01)
CPC G02B 27/0172 (2013.01) [G02B 27/0176 (2013.01); G02B 2027/0154 (2013.01); G02B 2027/0178 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A display device comprising:
a plurality of display units each configured to include a display and a display optical system;
a first adjustment unit configured to change an optical positional relationship between the display and the display optical system;
a detector configured to detect an interpupillary distance of a user;
a second adjustment unit configured to change an interval between the plurality of display units in accordance with a detection result of the detector; and
one or more processors configured to execute the instructions, which, when executed by the one or more processors, cause the display device to:
control the first adjustment unit to perform diopter adjustment related to the display unit, and
control the second adjustment unit to perform adjustment corresponding to the interpupillary distance, and
wherein the diopter adjustment in the first adjustment unit is performed after the adjustment corresponding to the interpupillary distance in the second adjustment unit is performed, and
wherein the first adjustment unit has a motor that is used for the diopter adjustment and can be moved in the direction in which the plurality of display units is lined up.