Patent ID: 9652082
Date: 2017-05-16
CPC Classifications: G06F

Claim:
1. A device comprising: a processor; a display having a front side and a back side that is opposite to the front side; a mid-chassis, the mid-chassis disposed beneath the back surface of the display; a light transmitter configured to emit infrared (IR) light, the light transmitter being disposed (i) beneath the mid-chassis and (ii) proximate to a first side of the display, wherein the IR light emitted by the light transmitter defines a ray that is non-parallel to a plane defined by the front side of the display; a light receiver configured to detect the IR light emitted by the light transmitter, the light receiver being disposed (iii) beneath the mid-chassis and (iv) proximate to a second side of the display, the second side being opposite to the first side; and a lightguide that includes a plurality of reflective surfaces, the plurality of reflective surfaces being configured to receive the IR light from the light transmitter and direct the IR light across the front side of the display and towards the light receiver to implement touch sensing in association with the display, wherein the processor in conjunction with the display, the light transmitter, the lightguide, and the light receiver is configured to: