Pixel driving circuit, display substrate, terminal and driving method thereof

Abstract

The invention provides a pixel driving circuit, a display substrate, a terminal and a driving method thereof, which relate to the field of display technology and are used for improving the integration degree of a tactile reproduction device, reducing its volume, and reducing its power consumption. The pixel driving circuit includes: a sensing component, which is used to sense the user’s first touch position on the touch screen when the terminal is in the tactile reproduction mode; The sensing information of the sensing part outputs a trigger signal including the first touch position information to the driving chip; the display driving part connected to the driving chip, and the display driving part is also connected to the sub-pixels of the touch screen, which is used for the terminal to be in the tactile reproduction mode When the terminal is in the touch display mode, the sub-pixels are driven to display the tactile reproduction image, and the sub-pixels are also driven to display the touch display image when the terminal is in the touch display mode. The above-mentioned pixel driving circuit can realize the sensing of the touch position during tactile reproduction.

Description

technical field [0001] The present invention relates to the field of display technology, and in particular, to a pixel driving circuit, a display substrate, a terminal and a driving method thereof. Background technique [0002] In the past ten years, haptic reproduction technology has been more and more widely used in the fields of human-computer interaction and virtual reality. At present, tactile reproduction plays an important role in the fields of education for the blind, telemedicine and other fields. With the gradual maturity of technology, tactile reproduction will enter more and more people's lives. [0003] The current tactile reproduction is mainly realized by electrical stimulation or electrostatic force. Through the interaction of the human hand on the touch screen, the feedback of the specific display image area to the human hand is realized, so that the human hand can realize the tactile reproduction. However, most of the current haptic reproduction devices in...

AI Technical Summary

Problems solved by technology

However, most of the current tactile reproduction devices include a touch screen and external devices connected to the touch screen (such as a tactile reproduction controller and a tactile excitation output unit), and this external device cannot be combined with the touch screen, making the existing tactile reproduction The device is bulky, not conducive to portability, and inconvenient to operate

Moreover, when the existing tactile reproduction device generates electrical stimulation or electrostatic force, it is necessary to input a tactile reproduction excitation signal to the entire screen, so that electrostatic force appears on the entire screen, which increases the overall power consumption of the tactile reproduction device.

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