Under-screen optical fingerprint identification device and fingerprint identification method

• Main Authors: ZHANG XIAOCHI, XIE ZHANQI, SUN YUNGANG, YANG ZHENGUO, YAN FENGYUN
• Format: Patent
• Language: Chinese; English
• Published: 04.11.2022
• Subjects: CALCULATING; COMPUTING; COUNTING; PHYSICS

The invention provides an under-screen optical fingerprint recognition device and a fingerprint recognition method, the under-screen optical fingerprint recognition device comprises a light detection array, the light detection array is provided with a light sensing area, a light sensing pixel array is arranged on the light sensing area, the light sensing pixel array at least comprises three types of pixel points, and at least three different filter layers are correspondingly arranged on the surfaces of the three types of pixel points or above the three types of pixel points; the fingerprint contact recognition area is located above the light detection array and comprises a light-emitting layer and a covering layer; the covering layer is provided with a contact area, the light-emitting layer is provided with an identification area corresponding to the contact area, the identification area comprises a plurality of light-emitting units, each light-emitting unit comprises a light-transmitting area and at least th