Driving device and driving method of auxiliary brake light of automobile

摘要

[0001] The present invention relates to a safety lamp which is an illumination device for a vehicle, and more particularly, it relates to a safety lamp which detects the brightness of the brake lamp through a photosensor during operation of a brake lamp, A brake pedal switch for controlling on / off switching of the brake light so as to prevent an accident, an optical sensor for detecting the brightness of the brake light when the brake light is driven by the switching operation of the brake pedal switch, A microcomputer for discriminating the light intensity sensed by the optical sensor and outputting a control signal, a relay driving part for driving the relay by a control signal of the microcomputer, and an auxiliary brake light driving device for an automobile comprising an auxiliary brake lighted by the composition of the relay driving part And a driving method.