Invention Grant
- Patent Title: Fingerprint recognition device
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Application No.: US16867962Application Date: 2020-05-06
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Publication No.: US11354929B2Publication Date: 2022-06-07
- Inventor: Ping-Chen Chen , Cheng-Hsuan Lin , Yu-Ling Hsu , Ding-Zheng Lin
- Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
- Applicant Address: TW Hsinchu
- Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
- Current Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
- Current Assignee Address: TW Hsinchu
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: TW106143499 20171212
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G06V40/13 ; G02F1/1368 ; G02F1/13357 ; G06V10/141 ; G06V10/143 ; G02F1/1335

Abstract:
A fingerprint recognition device includes a light source, a light conversion layer, a light detector, and a light filter. The light source is configured to emit a first light having a first wavelength. The light conversion layer is configured to convert the first light to a second light having a second wavelength different from the first wavelength. The light detector is configured to detect the second light reflected by a fingerprint. The light filter is disposed between the light conversion layer and the light detector, and configured to substantially filter out the first light and substantially pass the second light.
Public/Granted literature
- US20200265209A1 FINGERPRINT RECOGNITION DEVICE Public/Granted day:2020-08-20
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