Berührungsbildschirmvorrichtung und Verfahren zur Ansteuerung davon

Details

Veröffentlichungs-Nr.

EP3037933

Aktenzeichen

EP15192332

Anmeldetag

30. Oktober 2015

Veröffentlichung

29. August 2018

Erteilung

29. August 2018

Rechtsraum

EP

IPC

G06F3/041G06F1/32

Abstract

A touch driver, a touch sensitive display device and a method for driving the same capable of increasing the touch recognition rate of the touch sensitive display device in the sleep mode are disclosed. The touch sensitive display device supports a normal mode and a sleep mode. The display device includes touch driving lines (C1 to Cp) and the touch driver (50) to supply one or more touch driving signals (TS1 to TSp) to the touch driving lines (C1 to Cp). The touch driver (50) supplies the one or more touch driving signals (TS1 to TSp) at a first frequency during the normal mode of the touch sensitive display device, supplies the one or more touch driving signals (TS 1 to TSp) at a second frequency during a first portion of the sleep mode of the touch sensitive display device, and supplies the one or more touch driving signals (TS1 to TSp) at a third frequency during a second portion of the sleep mode of the touch sensitive display device.

Anmelder

Firma

LG Display Co., Ltd.

Land

🇰🇷 Südkorea

Fachgebiete