Patent ID: 9007347
Filing Date: 2015-04-14
Classification: G06F

Abstract:
1. A multi-touch sensing display apparatus comprising: a back light unit configured to provide light to form an image, and including an image forming light source; a display panel configured to form the image by modulating the light from the back light unit; a sensor unit on a display surface of the display panel, the sensor unit being configured to sense a touch by a user; and a touch light source unit configured to provide the light to be diffused by the touch of the user so that the sensor unit senses the touch of the user, and including a touch light source, wherein the touch light source unit includes a transparent light guide plate, the transparent light guide plate including a light guiding unit and a plurality of light emitting units, the light guiding unit being configured to guide light from a light source to an inside thereof and the plurality of light emitting units being configured to protrude from the light guiding unit and emit light from the light guiding unit, and the light guiding unit and the plurality of light emitting units are integrally formed with each other as a single body, and the plurality of light emitting units is between the light guiding unit and the sensor unit and is configured to face the sensor unit.