Patent · US Active

Touch display apparatus and method for touch display panel

US10866662B2 · kind B2 · utility

1Cited by

1References

15Claims

0Family size

Assignee

Himax Technologies Limited · TW

Inventors

Hui Wang · Meekrap-oord, CN
Yaw-Guang Chang · Tainan, TW

Key dates

Filing date	Apr 11, 2017
Grant date	Dec 15, 2020
Priority date	—
Expiry date	Oct 23, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG06F3/0443
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A touch display apparatus is provided, which includes a panel and a circuit. The panel is configured for display, active stylus sensing and touch sensing, which includes a sensing layer having sensing blocks arranged in an array of rows and columns. The circuit is coupled to the panel, and is configured to drive the panel to perform display and active stylus sensing with respect to a first reference voltage at a first stage of a frame period and to drive the panel to perform touch sensing with respect to a second reference voltage at a second stage of the frame period.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.