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    • 9. 发明公开
    • FINGERPRINT IDENTIFICATION ELEMENT, DISPLAY SCREEN AND DISPLAY DEVICE
    • 指纹识别,ANZEIGEBILDSCHIRM和ANZEIGEVORRICHTUNG
    • EP3057033A4
    • 2017-05-24
    • EP14835613
    • 2014-06-11
    • BOE TECHNOLOGY GROUP CO LTDBEIJING BOE OPTOELECTRONICS TECH CO LTD
    • WANG HAISHENGDONG XUELIU HONGJUANDING XIAOLIANGYANG SHENGJILIU YINGMINGZHAO WEIJIEREN TAO
    • G06K9/00
    • G06K9/0002G06K9/0008G06K9/00087G06K9/4642
    • The present invention discloses a fingerprint recognition element comprising: a plurality of parallel fingerprint detecting electrodes, the distance between two adjacent fingerprint detecting electrodes being not larger than the distance between adjacent ridge and valley in the fingerprint, a fingerprint recognition signal being loaded to one end of each fingerprint detecting electrode, and the fingerprint recognition signal being acquired in real time at the other end of each fingerprint detecting electrode. When a user finger approaches the display screen, since there are uneven ridges and valleys on the surface of the skin of the finger, the distances between respective points on the skin surface and the respective fingerprint detecting electrodes are also different, thereby influencing the capacitance value of the respective fingerprint detecting electrodes. By detecting the differences of the signals acquired from respective fingerprint detecting electrodes at each moment in the process of touching the display screen by the finger, a two-dimensional pattern of the fingerprint can be detected, so as to realize fingerprint recognition. The present invention further discloses a display screen comprising the fingerprint recognition element and a display device comprising the display screen.
    • 本发明公开了一种指纹识别元件,包括:多个平行指纹检测电极,两个相邻指纹检测电极之间的距离不大于指纹中相邻的脊与谷之间的距离,指纹识别信号加载到指纹的一端 在每个指纹检测电极的另一端实时采集指纹识别信号。 当用户的手指靠近显示屏时,由于手指皮肤表面有凸凹不平,皮肤表面各点与指纹检测电极之间的距离也不同,从而影响电容值 各自的指纹检测电极。 通过检测手指触摸显示屏过程中各时刻各指纹检测电极采集到的信号的差异,可以检测到指纹的二维图案,从而实现指纹识别。 本发明还公开了一种包括指纹识别元件的显示屏和一种包括显示屏的显示设备。