US 12,462,598 B2
Detection device and display device
Kazuhide Mochizuki, Tokyo (JP)
Assigned to Magnolia White Corporation, Tokyo (JP)
Filed by Magnolia White Corporation, Tokyo (JP)
Filed on Nov. 17, 2022, as Appl. No. 17/989,026.
Application 17/989,026 is a continuation of application No. PCT/JP2021/015509, filed on Apr. 14, 2021.
Claims priority of application No. 2020-089227 (JP), filed on May 21, 2020.
Prior Publication US 2023/0078687 A1, Mar. 16, 2023
Int. Cl. G06V 40/13 (2022.01); H10K 59/60 (2023.01); H10K 59/65 (2023.01)
CPC G06V 40/1318 (2022.01) [H10K 59/60 (2023.02); H10K 59/65 (2023.02)] 14 Claims
OG exemplary drawing
 
1. A detection device comprising:
a plurality of optical sensors arranged in a matrix having a row-column configuration; and
an optical filter provided facing a surface for detecting light with the optical sensors, wherein
the optical filter that is a collimator comprises
a base configured not to transmit light and
a plurality of apertures provided in the base and configured to transmit light,
an arrangement of the apertures in the base comprises an arrangement in which the apertures are arranged spirally outward clockwise from a predetermined area and an arrangement in which the apertures are arranged spirally outward counterclockwise from the predetermined area, and
the predetermined area includes a predetermined point.