Proximity sensor with infrared ink coating

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United States of America Patent

PATENT NO 11143551
APP PUB NO 20190353518A1
SERIAL NO

16416054

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Abstract

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A sensor comprising a light emitter and light detector directly covered and encapsulated by a layer of light transmissive compound. A gap in the light transmissive compound between the light emitter and the light detector filled with an infrared ink. In some embodiments, an infrared ink can cover at least a portion of a top surface of the sensor and define apertures above the light detector and/or light emitter.

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Patent Owner(s)

Patent OwnerAddress
HANA SEMICONDUCTOR (AYUTTHAYA) CO LTD100 MOO 1 T BAAN LANE A BANG PAIN AYUTTHAYA 13160

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kwangkaew, Vanapong Wang Noi, TH 7 11
Mitra, Sanjay Colorado Springs, US 13 107
Silapapipat, Sirirat Ladroad, TH 7 11

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