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US 11,710,943 B2Granted
Light emitting device
AssigneeNichia Corporation
InventorsSoichiro Miura, Kazuma Kozuru
Life of this patent
Estimating the term…
Abstract
A light emitting device includes a base, a lid portion, a plurality of semiconductor laser elements, and a collimate lens. The lid portion is fixed to the base to define a hermetically sealed space by the lid portion and the base. The semiconductor laser elements are provided in the hermetically sealed space. The collimate lens has a non-lens portion fixed to the lid portion, and a plurality of lens portions connected and aligned along one direction and surrounded by the non-lens portion when viewed from a light extracting surface side of the collimate lens.
Claims13
A light emitting device comprising:
- a base;
- a lid portion fixed to the base to define a hermetically sealed space by the lid portion and the base;
- a plurality of semiconductor laser elements provided in the hermetically sealed space;
- and
- a collimate lens having
- a non-lens portion fixed to the lid portion, and
- a plurality of lens portions connected and aligned along one direction and surrounded by the non-lens portion when viewed from a light extracting surface side of the collimate lens, wherein
- a lowermost surface of the lid portion includes a first area where the lid portion is fixed to the base and a second area where lights emitted from the semiconductor laser elements are incident, and the first area and the second area are coplanar.
5 more elements
Dependencies are inferred from the claim text.