Detection device and display device
According to an aspect, a detection device includes: 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. The optical filter includes 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 arrangement in which the apertures are arranged spirally outward counterclockwise from the predetermined area. The predetermined area contains a predetermined point.
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.
2 . The detection device according to claim 1 , wherein
an arrangement of the apertures is an arrangement formed by arranging a first predetermined number of strings of the apertures arranged spirally clockwise in a circumferential direction and is also an arrangement formed by arranging a second predetermined number of strings of the apertures arranged spirally counterclockwise in the circumferential direction, and
a relation between the first predetermined number and the second predetermined number is a relation between two different consecutive values in the Fibonacci sequence.
3 . The detection device according to claim 1 , wherein
the optical filter has a plurality of partial areas arranged along the surface for detecting light, and
an arrangement of the apertures in one of the partial areas comprises an arrangement in which the apertures are arranged spirally outward clockwise from an area including a center point of the one of the partial areas and an arrangement in which the apertures are arranged spirally outward counterclockwise from the area including the center point.
4 . A display device comprising:
the detection device according to claim 1 ; and
a display panel disposed on a detection surface side of the detection device.
5 . The detection device according to claim 1 , wherein
the optical filter as a whole has a shape of a quadrangle.
6 . The detection device according to claim 1 , wherein
the collimator as a whole has a shape of a quadrangle.
7 . 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 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,
the predetermined area includes a predetermined point, and
a pitch between two apertures located closest to each other among the apertures is smaller than a pitch between two optical sensors adjacent to each other among the optical sensors.
8 . The detection device according to claim 7 , wherein
an arrangement of the apertures is an arrangement formed by arranging a first predetermined number of strings of the apertures arranged spirally clockwise in a circumferential direction and is also an arrangement formed by arranging a second predetermined number of strings of the apertures arranged spirally counterclockwise in the circumferential direction, and
a relation between the first predetermined number and the second predetermined number is a relation between two different consecutive values in the Fibonacci sequence.
9 . The detection device according to claim 7 , wherein
the optical filter has a plurality of partial areas arranged along the surface for detecting light, and
an arrangement of the apertures in one of the partial areas comprises
an arrangement in which the apertures are arranged spirally outward clockwise from an area including a center point of the one of the partial areas and
an arrangement in which the apertures are arranged spirally outward counterclockwise from the area including the center point.
10 . A display device comprising:
the detection device according to claim 7 ; and
a display panel disposed on a detection surface side of the detection device.
11 . 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 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,
the predetermined area includes a predetermined point, and
a pitch between two apertures located farthest from each other among the apertures is smaller than a pitch between two optical sensors adjacent to each other among the optical sensors.
12 . The detection device according to claim 11 , wherein
an arrangement of the apertures is an arrangement formed by arranging a first predetermined number of strings of the apertures arranged spirally clockwise in a circumferential direction and is also an arrangement formed by arranging a second predetermined number of strings of the apertures arranged spirally counterclockwise in the circumferential direction, and
a relation between the first predetermined number and the second predetermined number is a relation between two different consecutive values in the Fibonacci sequence.
13 . The detection device according to claim 11 , wherein
the optical filter has a plurality of partial areas arranged along the surface for detecting light, and
an arrangement of the apertures in one of the partial areas comprises
an arrangement in which the apertures are arranged spirally outward clockwise from an area including a center point of the one of the partial areas and
an arrangement in which the apertures are arranged spirally outward counterclockwise from the area including the center point.
14 . A display device comprising:
the detection device according to claim 11 ; and
a display panel disposed on a detection surface side of the detection device.