Title:
DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/032863
Kind Code:
A1
Abstract:
This detection device comprises: a substrate having a first principal surface; a detection region provided on the first principal surface; a sensor unit having a plurality of photodiodes arranged in the detection region, the photodiodes being arrayed in a first direction that is parallel to the first principal surface, and in a second direction that is parallel to the first principal surface and intersects the first direction; a plurality of gate wires extending in the first direction; a plurality of signal wires extending in the second direction; and a light irradiation device for radiating light in a direction faced by the first principal surface, the light being allowed to pass through between the photodiodes. The light irradiation device has a plurality of light sources. A lighting region illuminated by the light irradiation device is a portion of the detection region that overlaps the lighting region, as seen from a third direction intersecting the first and second directions, and the detection region that does not overlap the lighting region is a non-lighting region that is not illuminated, the light irradiation device selecting a photodiode that overlaps the non-lighting region as seen from the third direction and reading the amount of received light.
Inventors:
HIMOTO KENTO (JP)
NAKAMURA TAKASHI (JP)
KOIDE GEN (JP)
NAKAMURA TAKASHI (JP)
KOIDE GEN (JP)
Application Number:
PCT/JP2022/032279
Publication Date:
March 09, 2023
Filing Date:
August 26, 2022
Export Citation:
Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
G06T1/00; A61B5/1171; A61B5/1455; H10K39/00
Domestic Patent References:
| WO2020241364A1 | 2020-12-03 |
Foreign References:
| JP2020092362A | 2020-06-11 | |||
| JP2019525290A | 2019-09-05 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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