OPTICAL FINGERPRINT SENSING MODULE

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200026898A1
SERIAL NO

16509357

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An optical fingerprint sensing module for sensing a fingerprint pattern of a finger placed on an upper surface of a display panel module is provided, wherein light is generated by the display panel module and reflected by the finger. The optical fingerprint sensing module includes a substrate, an image sensor disposed above the substrate, a collimating layer disposed above the image sensor, a light permeable layer disposed above the collimating layer, and a pinhole layer disposed above the light permeable layer. The collimating layer has a plurality of collimating holes, and the pinhole layer has a plurality of pinholes, wherein the number of collimating holes is greater than the number of pinholes. Light is reflected by the finger and then sequentially propagates through the pinholes, the light permeable layer, and the collimating holes to reach the image sensor.

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
FAN, Chen-Chih Taipei, TW 25 154
FU, Tong-Long Taipei, TW 9 10
HUANG, Yu-Hsiang Taipei, TW 59 188

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