Method of detecting a touch image and display apparatus for performing the same

摘要

A method of detecting a touch image includes; driving a light source to detect a first touch information corresponding to a first light amount sensed by a first sensing section connected to odd-numbered gate lines, during an odd-numbered frame, and driving the light source to detect a second touch information corresponding to a second light amount sensed by a second sensing section connected to even-numbered gate lines, during an even-numbered frame, and detecting a touch image using the first touch information and the second touch information, so that influences from external light is reduced.

主权项

1. A method of detecting a touch image, the method comprising:
driving a light source to detect a first touch information corresponding to a first light amount sensed by a first sensing section connected to odd-numbered gate lines during an odd-numbered frame; driving the light source to detect a second touch information corresponding to a second light amount sensed by a second sensing section connected to even-numbered gate lines, during an even-numbered frame; and detecting a touch image using the first touch information and the second touch information, wherein the odd-numbered gate lines and even-numbered gate lines are electrically independent of gate lines to display an image, wherein driving the light source to detect the first touch information comprises:
reading out a first accumulated light amount from the first sensing section during a first odd-numbered field of the odd-numbered frame while the light source is turned on;reading out a second accumulated light amount smaller in magnitude than the first accumulated light amount from the first sensing section during a second odd-numbered field of the odd-numbered frame while the light source is turned off; anddetecting the first touch information using the first accumulated light amount and the second accumulated light amount.