OPTICAL SENSOR AND ELECTRONIC DEVICE - SHARP SEMICONDUCTOR INNOVATION CORP

Title:

OPTICAL SENSOR AND ELECTRONIC DEVICE

Document Type and Number:

Japanese Patent JP2022083859

Kind Code:

A

Abstract:

To reduce crosstalk in an optical sensor.SOLUTION: An optical sensor includes a light projecting element on a substrate, a light receiving element provided on the substrate in a first direction from the light projecting element, a first light-shielding layer L1 provided on the light receiving element and having a plurality of first light-shielding members 2, and a second light-shielding layer L2 provided on the light receiving element and below the first light-shielding layer L1 and having a plurality of second light-shielding members 3, and the width of the second light-shielding member 3 is larger than the width of the first light-shielding member 2.SELECTED DRAWING: Figure 5

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Inventors:

SHIMIZU TAKAYUKI
FUJIYAMA TOSHIYA
INOUE TAKAHIRO
TAKADA TOSHIYUKI
KUDO KOTA

Application Number:

JP2020195432A

Publication Date:

June 06, 2022

Filing Date:

November 25, 2020

Export Citation:

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Assignee:

SHARP SEMICONDUCTOR INNOVATION CORP

International Classes:

H01L31/12; H01H35/00; H03K17/78; H03K17/945

Attorney, Agent or Firm:

Patent business corporation HARAKENZO WORLD PATENT & TRADEMARK

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