Display device having touch sensor
AssigneeLG Display Co., Ltd.
InventorsHyang-Myoung GWON, Ji-Hyun JUNG, Ru-Da RHE, Jae-Gyun LEE
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a display device having a touch sensor for securing improved touch-sensing performance. The display device having a touch sensor includes a touch-driving circuit configured to drive a touch-driving line and a touch-sensing line, which are disposed on an encapsulation unit covering a light-emitting element, in a mutual-capacitance mode and to drive at least one of the touch-driving line or the touch-sensing line in a self-capacitance mode, and the touch-driving circuit supplies a load free driving signal to a shield line overlapping the touch-driving line and the touch-sensing line, thereby securing improved touch-sensing performance.
Claims13
A display device comprising:
- a display panel comprising a light-emitting element disposed on a substrate, a touch-driving line and a touch-sensing line disposed on the substrate, and a shield line overlapping the touch-driving line and the touch-sensing line;
- and
- a touch-driving circuit configured to drive the touch-driving line and the touch-sensing line in a mutual-capacitance mode and to drive at least one of the touch-driving line or the touch-sensing line in a self-capacitance mode,
- wherein the touch-driving circuit supplies a load free driving signal to the shield line, at least one of a phase or an amplitude of the load free driving signal being same as a phase or an amplitude of a touch-driving signal of the self-capacitance mode to be supplied to at least one of the touch-driving line or the touch-sensing line.
Dependencies are inferred from the claim text.