Display panel and electronic device
A display panel and electrical connection technology, which is applied in static indicators, static memory, instruments, etc., can solve the problems of pressure sensor charge residue and affect pressure sensitivity detection, so as to prevent residual charge, improve signal ratio SNR, and reduce pressure sensitivity Detect the effect of interference
Active Publication Date: 2017-11-17
XIAMEN TIANMA MICRO ELECTRONICS
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Problems solved by technology
[0005] Embodiments of the present invention provide a display panel and electronic equipment to solve the problem in the prior art that pressure sensors are prone to residual charge and affect pressure detection
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[0022] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described through implementation with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the embodiment of the present invention. Some, but not all, embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0023] An embodiment of the present invention provides a display panel. The display panel includes: a multi-stage cascaded shift register, a plurality of pressure-sensitive detection units and at least one switch circuit. The pressure-sensitive detection unit includes a first input terminal and a second input terminal. terminal, the signal potential inpu...
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The invention discloses a display panel and an electronic device. The display panel includes a plurality of stages of cascaded shift registers, a plurality of pressure sensing detection units, at least one switch circuit, and at least one reset circuit, the control end of the switch circuit is electrically connected with the output end of the first-stage shift register, the input end of the switch circuit is electrically connected with a pressure sensing reference power supply, and the output end of the switch circuit is electrically connected with the first input end of the at least one pressure-sensing detection unit, the scanning driving signal or shift signal output by the shift register electrically connected with the switch circuit controls the on and off of the corresponding switch circuit, the input end of the reset circuit is electrically connected with the first input end of the at least one pressure sensing detection unit, and in the reset stage, the reset circuit is turned on and the switch circuit corresponding to the turned-on reset circuit is turned off, and then the reset circuit discharges the pressure sensing detection units. The reset circuit releases the residual charge of the pressure sensing detection units to improve the pressure sensing detection accuracy.
Description
technical field [0001] Embodiments of the present invention relate to display technologies, and in particular, to a display panel and electronic equipment. Background technique [0002] With the rapid development of portable electronic terminal equipment, especially mobile phone and tablet technology, more and more new technologies are applied to these electronic terminal equipment. Pressure-sensing touch technology is a new technology that has received widespread attention in the field. The touch screen integrated with pressure-sensitive touch technology can clearly distinguish the difference between a touch and a press. [0003] When the user presses the screen, the touch screen integrated with the pressure sensor can accurately recognize the pressure conveyed by the user on the touch surface, and then realize different operations, such as calling up more control options in applications such as information, music and calendar. Existing pressure sensors are generally integ...
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IPC IPC(8): G09G3/20G11C19/28
CPCG09G3/20G11C19/28
Inventor 郑超杨康鹏许育民
Owner XIAMEN TIANMA MICRO ELECTRONICS