US 12,130,441 B2
Retinal projection display device, head-mounted display device, and optometric device
Shu Tanaka, Osaka (JP); Suguru Sangu, Kanagawa (JP); and Kayoko Fujimura, Osaka (JP)
Assigned to RICOH COMPANY, LTD., Tokyo (JP)
Filed by Shu Tanaka, Osaka (JP); Suguru Sangu, Kanagawa (JP); and Kayoko Fujimura, Osaka (JP)
Filed on Sep. 21, 2023, as Appl. No. 18/371,036.
Claims priority of application No. 2022-158568 (JP), filed on Sep. 30, 2022.
Prior Publication US 2024/0111160 A1, Apr. 4, 2024
Int. Cl. G02B 27/01 (2006.01); G02B 26/10 (2006.01); G02B 27/00 (2006.01)
CPC G02B 27/0172 (2013.01) [G02B 26/105 (2013.01); G02B 27/0093 (2013.01); G02B 27/0179 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0178 (2013.01); G02B 2027/0187 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A retinal projection display device for projection of an image onto a retina of a wearer wearing an eyeglass-type support, the retinal projection display device comprising:
the eyeglass-type support including a temple;
a light source;
an optical scanner disposed in the temple and configured to scan light from the light source so as to form the image;
a projector configured to project the image formed by the optical scanner onto the retina;
an optical deflector disposed in the temple and configured to change a projection direction of the image formed by the optical scanner; and
a translation member configured to translate the optical scanner and the optical deflector in a direction in which the temple extends.