Patent ID: 11870211
Assignee: JAPAN DISPLAY INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G | IPC F  H

Claim 6:
7. An illumination device comprising:
a light guide including a first plane, a second plane opposed to the first plane and substantially parallel to the first plane, a side plane, and first and second recess parts depressed in the side plane;
a first semiconductor laser element including a first base, a first light emitting part, and a first cap surrounding the first light emitting part;
a second semiconductor laser element including a second base and a second light emitting part; and
a third semiconductor laser element including a third base and a third light emitting part,
wherein
the first light emitting part, the second light emitting part, and the third light emitting part are configured to emit light having wavelengths different from each other,
the first semiconductor laser element is disposed in the first recess part,
the third semiconductor laser element is disposed in the second recess part, and
the second semiconductor laser element is located between the first semiconductor laser element and the third semiconductor laser element and opposed to the side plane,
the first recess part includes a first part depressed in accordance with a shape of the first base, a second part depressed in accordance with a shape of the first cap, and a plane opposed to a tip of the first cap, and
the plane is parallel to the side plane.