Force touch detection circuit, method and display panel

US10439610B2 · kind B2 · utility

Assignee

• Shanghai Tianma Micro-electronics Co., Ltd. · CN

Inventors

• Liang Liu · Shanghai, CN
• Feng Lu · Shanghai, CN
• Conghua Ma · Shanghai, CN
• Shaolong Ma · Shanghai, CN
• Zaiwen Zhu · Xiamen, CN
• Qitai Ji · Xiamen, CN
• Yuheng Zhang · Shanghai, CN
• Shui He · Xiamen, CN
• Yong Yuan · Weihai, CN
• Qijun Yao · 红钢城街道, CN

Key dates

• Filing date: Jan 8, 2018
• Grant date: Oct 8, 2019
• Expiry date: Apr 29, 2038

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K59/12
• WIPO field: Computer technology
• WIPO sector: Electrical engineering

Abstract

The present disclosure provides a force touch detection circuit, a force touch detection circuit method and a display panel. The force touch detection circuit includes: n force-sensing sensors, n first switches, a first end of the ith first switch being electrically connected with a first end of the ith force-sensing sensor, a second end of the ith first switch being electrically connected with a first test connection terminal; n second switches, a first end of the ith second switch being electrically connected with a second end of the ith force-sensing sensor, a second end of the ith second switch being electrically connected with a second test connection terminal; n control signal connection terminals, the ith control signal connection terminal is electrically connected with a control end of the ith first switch and a control end of the ith second switch.