Lighting control device for vehicle lamp e.g. stop lamp, has dimming control circuit setting light quantity instruction values so that low beam light source is gradually dimmed to preset light emission level or switched on at preset level

摘要

The device (10) has a dimming control circuit (14) setting a light quantity instruction value when information instructing dimming of a low beam light source is received, so that the source is gradually dimmed to a light emission level of 70 percentage. The circuit sets another value when information indicating switching on a halogen lamp (17) is received, so that the source is dimmed to the level of 50 percentage. The circuit sets a third value when information indicating switching off the lamp is received after setting the latter value, so that the source is switched on at the former level.