Patent ID: 9417512
Filing Date: 2016-08-16
CPC Classification: G03B,H05K

Claim Text:
1. A light source device comprising: a first light source including at least two light sources; a second light source including at least two light sources; and a substrate for supplying power to the first light source and the second light source, wherein the substrate has a multilayer structure including a base member, and a first wiring is disposed on a first layer of the substrate and a second wiring is disposed on a second layer of the substrate, the first wiring and the second wiring are electrically connected, the first wiring has a first connection part including at least two connection parts such that the first light source is electrically connected in series and a second connection part including at least two connection parts such that the second light source is electrically connected in series, the base member is provided with at least one through-hole at each of portions where the connection parts of the first connection part and the second connection part are disposed, the base member includes at least one protrusion in a vicinity of the through-hole such that the protrusion protrudes along a surface of the base member in a direction intersecting the first wiring, and the second wiring includes at least one detour path in a vicinity of the protrusion, detouring around the through-hole with an insulation distance from the through-hole.