OPTICAL SENSING DEVICE AND OPTICAL SENSING SYSTEM THEREOF
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United States of America Patent
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Apr 25, 2024
app pub date -
Dec 20, 2023
filing date -
Dec 20, 2023
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Abstract
This disclosure discloses an optical sensing device. The device includes a carrier body; a first light-emitting device disposed on the carrier body; and a light-receiving device including a group III-V semiconductor material disposed on the carrier body, including a light-receiving surface having an area, wherein the light-receiving device is capable of receiving a first received wavelength having a largest external quantum efficiency so the ratio of the largest external quantum efficiency to the area is ≥13.
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