Title:
固体撮像素子、画像読取装置、及び画像形成装置
Document Type and Number:
Japanese Patent JP7331490
Kind Code:
B2
Abstract:
To reduce the price of a solid-state image sensor that detects visible light and non-visible light.SOLUTION: A solid-state image sensor has pixels for a visible area in each of which a filter is arranged which transmits rays of light in a specific wavelength range in the visible area and a wavelength range in a non-visible area, pixels for a non-visible area in each of which a first laminated filter is arranged in which two or more kinds of the filters having different spectral characteristics in the visible area are laminated, and a light shielding area in which a second laminated filter is arranged in which one filter or two or more kinds of the filters having different spectral characteristics in the visible area is/are laminated.SELECTED DRAWING: Figure 4
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Inventors:
Hirotsugu Tani
Masamoto Nakazawa
Yuya Miyoshi
Masamoto Nakazawa
Yuya Miyoshi
Application Number:
JP2019117790A
Publication Date:
August 23, 2023
Filing Date:
June 25, 2019
Export Citation:
Assignee:
株式会社リコー
International Classes:
H04N25/70; G03B11/00; G03B17/02; H01L27/144; H01L27/146; H04N23/12; H04N25/10
Domestic Patent References:
| JP10065135A | ||||
| JP2007042933A | ||||
| JP6204444A | ||||
| JP6217079A |
Foreign References:
| WO2018043654A1 | ||||
| US20120257090 | ||||
| WO2014041742A1 | ||||
| WO2006003807A1 | ||||
| US20160315112 | ||||
| US20180120614 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito