TOUCH POINT POSITIONING DETECTION CIRCUIT, OPTICAL TOUCH PANEL AND DISPLAY DEVICE

摘要

The present disclosure relates to a touch display technique field. There is disclosed a touch point positioning detection circuit, an optical touch panel and a display device, which are used for improving the touch accuracy of the touch panel. The touch point positioning detection circuit comprises: an optical touch sub-circuit for sensing a touch and generating a touch signal, an amplification sub-circuit connected to the optical touch sub-circuit for amplifying the touch signal, an output sub-circuit connected to the amplification sub-circuit for outputting the touch signal, and a detection sub-circuit connected to the output sub-circuit for determining a position of a touch point according to the outputted touch signal.

主权项

1. A touch point positioning detection circuit, comprising:
an optical touch sub-circuit for sensing a touch and generating a touch signal; an amplification sub-circuit connected to the optical touch sub-circuit for amplifying the touch signal; an output sub-circuit connected to the amplification sub-circuit for outputting the touch signal; and a detection sub-circuit connected to the output sub-circuit for determining a position of a touch point according to the outputted touch signal.