Patent ID: 9606283
Date: 2017-03-28
CPC Classifications: G02B,G02F

Claim:
1. A surface light source comprising at least one optical fiber and at least one light source, wherein the at least one light source is provided at one end of the at least one optical fiber one to one, the at least one optical fiber each is provided with a plurality of light outgoing windows with an interval therebetween along its length direction, a light beam emitted from each light source propagates in an optical fiber corresponding to the light source, and outgoes from the optical fiber through the plurality of light outgoing windows; wherein each of the light outgoing windows of each of the at least one optical fiber is a grating formed with a plurality of slits which are equally spaced, on the surface of the optical fiber, and wherein the arrangement direction of the slits is perpendicular to the length direction of the optical fiber.