LIGHT GUIDING APPARATUS AND LIGHT SOURCE DEVICE INCLUDING THE SAME

摘要

A light guiding apparatus includes a light guiding apparatus and a second light guide. The first light guide includes a first end-surface, a second end-surface and a side-surface, in which the first end-surface includes a first light incident surface thereon, the second end-surface includes a first light emitting surface thereon, and the side-surface is located between the first end-surface and the second end-surface of the first light guide. The second light guide has a second incident surface and a second light emitting surface connecting the second incident surface, in which at least a partial region of the second light emitting surface is a roughened surface, the second incident surface or the first light emitting surface is a roughened surface, and the second incident surface is corresponding to the first light emitting surface.

主权项

1. A light guiding apparatus, comprising:
a first light guide comprising a first end-surface, a second end-surface and a side-surface, wherein the first end-surface comprises a first light incident surface thereon, the second end-surface comprises a first light emitting surface thereon, and the side-surface is located between the first end-surface and the second end-surface of the first light guide; and a second light guide having a second incident surface and a second light emitting surface connecting the second incident surface, wherein at least a partial region of the second light emitting surface is a roughened surface, the second incident surface or the first light emitting surface is a roughened surface, the second incident surface is corresponding to the first light emitting surface, and a medium with a refractive index less than the refractive indexes of the first light guide and the second light guide is located between the second incident surface and the first light emitting surface.