Patent ID: 11873963
Assignee: YLX INCORPORATED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A light source device, comprising:
a light-emitting chip arranged on a base plate and configured to emit first light;
a light guide rod comprising a first light guide portion and a second light guide portion, wherein the first light guide portion comprises a light incident end surface, the first light enters the light guide rod through the light incident end surface and is transmitted to the second light guide portion after passing through the first light guide portion, and the second light guide portion comprises a light-outputting surface for outputting light;
a first positioning member comprising a first groove for accommodating the light guide rod, wherein the first positioning member is directly or indirectly fixed relative to the base plate; and
a movable fixing assembly, wherein the movable fixing assembly deforms when fixing the light guide rod,
wherein at least a part of the light guide rod contacts the first groove along a radial direction of the light guide rod, and at least another part of the light guide rod contacts the movable fixing assembly along the radial direction of the light guide rod, in such a manner that the light guide is fixed by the first groove and the movable fixing assembly along the radial direction of the light guide rod,
wherein the movable fixing assembly comprises an elastic layer, and a rigid layer that are sequentially arranged outwards along the radial direction of the light guide rod.