Flexible self-capacitance and mutual capacitance touch sensing system architecture

CH Krah - US Patent 10,795,488, 2020 - Google Patents
A switching circuit is disclosed. The switching circuit can comprise a plurality of pixel mux
blocks, each of the pixel mux blocks configured to be coupled to a respective touch node …

Panel bootstraping architectures for in-cell self-capacitance

W Yao, A Al-Dahle, H Nho, TA Syed, WH Yao… - US Patent …, 2021 - Google Patents
(57) ABSTRACT A self-capacitance touch screen. In some examples, the touch screen
comprises a plurality of display pixels, a first display pixel of the plurality of display pixels …

Device and method for generating an electrical power supply in an electronic system with a variable reference potential

C Blondin, C Neel, D Roziere - US Patent 10,503,328, 2019 - Google Patents
A method and device for generating a power supply voltage, referenced to a first reference
potential, in an electronic system including an energizing source connected to the first and …

Common electrode auto-compensation method

H Tang, CH Krah, P Sacchetto, W Chaohao - US Patent 10,146,359, 2018 - Google Patents
(57) ABSTRACT A system is disclosed. The system can comprise dynamic drive circuitry
configured to drive a plurality of electrodes on a touch screen. The system can also comprise …

Device and method for control interface sensitive to a movement of a body or of an object and viewing screen integrating this device

D Roziere - US Patent 10,007,388, 2018 - Google Patents
A device for control interface sensitive to movement of a body, includes a detection surface;
at least one capacitive sensor including a measurement electrode including an active …

Switched-electrode capacitive-measurement device for touch-sensitive and contactless interfaces

D Roziere - US Patent 10,175,832, 2019 - Google Patents
The present invention relates to a capacitive-measurement device for touch-sensitive and/or
contactless interfaces, including at least one capacitive-measurement electrode (1) and …

Integrated touch and display architectures for self-capacitive touch sensors

W Yao, WH Yao, Y Li, B Yang, M Yousefpor… - US Patent …, 2021 - Google Patents
A self-capacitive touch sensor panel configured to have a portion of both the touch and
display functionality integrated into a common layer is provided. The touch sensor panel …

In-cell touch for LED

V Gupta, SC Chang, Y Park, TK Chang - US Patent 10,809,847, 2020 - Google Patents
(57) ABSTRACT A touch screen having touch circuitry integrated into a display pixel
stackup. The touch screen can include a transistor layer, an LED layer and a first layer. The …

Flexible self-capacitance and mutual capacitance touch sensing system architecture

CH Krah - US Patent 12,014,003, 2024 - Google Patents
A switching circuit is disclosed. The switching circuit can comprise a plurality of pixel mux
blocks, each of the pixel mux blocks configured to be coupled to a respective touch node …

Common electrode driving and compensation for pixelated self-capacitance touch screen

W Chaohao, W Choi, P Sacchetto - US Patent 10,534,472, 2020 - Google Patents
A touch screen is disclosed. A plurality of common elec trodes can be configured to operate
as display circuitry during a display phase, and to operate as touch sensing circuitry during a …