ILLUMINATION DEVICE AND AUTOMOTIVE LAMP

摘要

An automotive lamp includes an LED and a light guide. The light guide has the light, emitted from the LED, enter through an incident surface and emits the light frontward from an emission surface by guiding the light inside the light guide. The light guide includes a plurality of steps on a rear face side of the peripheral surface of the light guide. With the plurality of steps, the light traveling inside the light guide is reflected toward the emission surface. The pitch between each of the plurality of steps is set to 0.5 mm or below.

主权项

1. An illumination device comprising:
a light source mounting part configured to mount a light source thereon; and a light control member configured to emit light frontward by controlling the light emitted from the light source, the light control member including a plurality of steps with which the light emitted from the light source is controlled, wherein a pitch of the plurality of steps is less than or equal to 0.5 mm.