LIGHTING APPARATUS, ANTENNA UNIT FOR LIGHTING APPARATUS, COMMUNICATION SYSTEM AND TRAFFIC SIGNAL CONTROL APPARATUS

摘要

A lighting apparatus (1) is provided with an optical unit (2) and a patch antenna (4). The optical unit (2) is provided with an LED (7), a substrate (8) having the LED (7) mounted on the front surface, and a cover member (9) which has visible light permeability and covers the LED (7) in front. In the optical unit (2), a patch element (11) and the patch antenna (4) having a ground element (12) at the rear of the patch element (11) are stored.