Patent ID: 9098146
Filing Date: 2015-08-04
Classification: G06F

Abstract:
1. A multi-touch sensing apparatus, comprising: a display panel on an upper side of the multi-touch sensing apparatus and to display an image; a sensing light source to emit a light to sense a touch image which is generated by an object and displayed on a back side of the display panel, the object being located on the display panel; and an image sensor to be arranged on an edge of a lower side of the multi-touch sensing apparatus, and sense the touch image, wherein: the image sensor is inclined by a predetermined angle with the lower side of the multi-touch sensing apparatus to sense the touch image, a marker which reacts to the light is attached to the display panel, and a location of the marker, which is recognized using the image sensor, is used to correct a distortion of the touch image due to the inclination of the image sensor.