Intellectual Valley Law, P.C.
Display panel for detecting biometric information and driving method thereof
The present application discloses a display panel having an array of a plurality of pixel units, each pixel unit including at least three subpixels for image display, at least some of the plurality of pixel units including a semiconductor photodetector for detecting biometric information; a plurality of first scan lines and a plurality of data lines, each first scan line being connected to a row of subpixels, each data line being connected to a column of subpixels; each subpixel including a first transistor for image display; a plurality of common voltage terminals, each common voltage terminal being connected to a semiconductor photodetector; a plurality of second scan lines, each second scan line being connected to a plurality of semiconductor photodetectors for providing a control voltage signal; each semiconductor photodetector having a second transistor; the second transistor being a phototransistor having a gate node connected to a corresponding second scan line for receiving the control voltage signal to turn on the second transistor, and a first node connected to a corresponding common voltage terminal; and a plurality of read lines, each read line being connected to each semiconductor photodetector in a column of pixel units.
BOE TECHNOLOGY GROUP CO., LTD. BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
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Xue Shengji Changfeng Xiaoliang Haisheng Hongjuan Lei Weijie Wei Yingming Xiaochuan
Dong Yang Li Ding Wang Liu Wang Zhao Liu Liu Chen