US 11,747,198 B2
Image processing device comprising a light receiving element on a second surface of a first substrate and plural light emitting elements on a fourth surface of a second substrate
Yoshitaka Sozawa, Nagano (JP); Hidekazu Uematsu, Fujimi-machi (JP); and Toru Matsuyama, Nagano (JP)
Assigned to Seiko Epson Corporation, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Nov. 24, 2021, as Appl. No. 17/456,448.
Claims priority of application No. 2020-197282 (JP), filed on Nov. 27, 2020.
Prior Publication US 2022/0170789 A1, Jun. 2, 2022
Int. Cl. G01J 3/02 (2006.01); G01J 3/52 (2006.01); G01J 3/12 (2006.01); G01J 3/50 (2006.01); G01J 3/51 (2006.01)
CPC G01J 3/027 (2013.01) [G01J 3/0286 (2013.01); G01J 3/0291 (2013.01); G01J 3/12 (2013.01); G01J 3/501 (2013.01); G01J 3/52 (2013.01); G01J 3/51 (2013.01); G01J 2003/1265 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An image processing device comprising:
a light receiving element;
a plurality of light emitting elements;
a battery;
a power source circuit electrically coupled to the battery;
a first substrate provided with the light receiving element;
a second substrate provided with the plurality of light emitting elements;
a third substrate provided with the power source circuit; and
a casing storing the first substrate, the second substrate, and the third substrate, wherein
the first substrate has a first surface and a second surface, and is provided between the third substrate and the second substrate in a first direction orthogonal to the first surface,
the light receiving element is provided on the second surface,
the second substrate has a third surface, a fourth surface, and an opening, the third surface faces the second surface, and the opening is provided to overlap the light receiving element in the first direction,
the plurality of light emitting elements are provided on the fourth surface to surround the opening, and
the power source circuit is provided on the third substrate not to overlap the light receiving element in the first direction.