Patent ID: 11961324
Assignee: NOVATEK MICROELECTRONICS CORP.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. The optical fingerprint recognition device as claimed in claim 1, wherein the first fingerprint image comprises a plurality of red sensing pixel data, a plurality of blue sensing pixel data and a plurality of background-color sensing pixel data, and the fingerprint sensing device examines whether the finger which triggers the fingerprint sensing request is real or fake according to a difference, or a ratio, between a red data and a blue data, and
wherein the plurality of red sensing pixel data are obtained from sensing pixels with red color filter units among the color filter units, the plurality of blue sensing pixel data are obtained from sensing pixels with blue color filter units among the color filter units, the red data is generated according to the plurality of red sensing pixel data, the blue data is generated according to the plurality of blue sensing pixel data.