Patent ID: 9568656
Date: 2017-02-14
CPC Classifications: G02B

Claim:
1. A fiber optical light guide for a lighting device, the fiber optical light guide transmits a light emitted from a light source in a light transmitting direction, the fiber optical light guide comprising: an inlet-side end into which the light emitted from the light source enters; an outlet-side end from which the light is emitted; a plurality of core members extending in the light transmitting direction and arranged one after another in a circumferential direction of the fiber optical light guide; and an outer clad member positioned around the plurality of core members and providing an outer wall of the plurality of core members, wherein the outer clad member has light diffusionability and diffuses the light to an outside of the outer clad member while the light is being transmitted in the fiber optical light guide in the light transmitting direction.