Patent ID: 8985830
Filing Date: 2015-03-24
Classification: G02B,H03K,H05B,Y02B

Abstract:
1. A switch comprising: a substrate; a touch sensor mounted on the substrate and configured to detect an operator's touch operation relative to the switch; a light guide plate stacked on the touch sensor and having a chamfered surrounding side surface so that light entering into the chamfered surrounding side surface of the light guide plate diffusely reflects inside the light guide plate; a light emitting unit mounted on the substrate and arranged at a position facing the chamfered surrounding side surface of the light guide plate, the light emitting unit being configured to emit the light to the chamfered surrounding side surface of the light guide plate; and a control unit configured to control a light emission of the light emitting unit in accordance with a detection result of the touch sensor for detecting the operator's touch operation.