Light-emitting device

1 . A light-emitting device comprising:

a base having an upper surface;

a plurality of semiconductor laser elements configured to emit light in a first direction in a top view, the plurality of semiconductor laser elements being arranged on the upper surface of the base in a second direction perpendicular to the first direction in a top view;

one or more reflecting members spaced from the plurality of semiconductor laser elements in the first direction in a top view; and

a lens member having a plurality of lens sections through which light reflected by the one or more reflecting members passes, the lens member being fixed to the base and arranged in the second direction at positions above the plurality of semiconductor laser elements and the one or more reflecting members; wherein:

in a top view, at least a portion of a first of the one or more reflecting members and an emitting surface of a first of the plurality of semiconductor laser elements is disposed in a region inward of an outer edge of a first of the plurality of lens sections,

in a top view, an emitting surface of each of the semiconductor laser elements is disposed in a region inward of an outer edge of a respective one of the plurality of lens sections, and

the plurality of lens sections are arranged such that an inter-vertex distance between adjacent lens sections in the second direction is smaller than a maximum outer diameter of each of the lens sections.

2 . The light-emitting device according to claim 1 , wherein:

in a top view, the emitting surface of the first semiconductor laser element disposed in the region inward of the outer edge of the first lens section is positioned between (i) a first virtual line that extends parallel to the second direction and passes through one end of a width of light from the first semiconductor laser element in the first direction at a light incident surface of the lens member and (ii) a second virtual line that extends parallel to the second direction and passes through another end of the width of light from the first semiconductor laser element in the first direction at the light incident surface of the lens member.

3 . The light-emitting device according to claim 2 , wherein:

in a top view, the width of light from the first semiconductor laser element in the first direction at the light incident surface of the lens member is less than a width of the first lens section in the first direction; and

in a top view, a width of light from the first semiconductor laser element in the second direction at the light incident surface of the lens member is less than a width of the first lens section in the second direction.

4 . The light-emitting device according to claim 1 , wherein:

in a top view, a width in the first direction of the first reflecting member is less than a width in the first direction of the first lens section; and

in a top view, a width in the first direction of the first semiconductor laser element is less than the width in the first direction of the first lens section.

5 . The light-emitting device according to claim 1 , wherein:

the one or more reflecting members comprises a plurality of reflecting members arranged on the upper surface of the base in the second direction in a top view; and

a distance between adjacent semiconductor laser elements is larger than a distance between adjacent reflecting members.

6 . The light-emitting device according to claim 1 , further comprising:

a plurality of wirings electrically connected to the one or more semiconductor elements; wherein:

the plurality of wirings includes a first wiring joined to the first semiconductor laser element; and

in a top view, a first portion of the first wiring is disposed within the region inward of the outer edge of the first lens section and a second portion of the first wiring is located outward of the outer edge of the first lens section.

7 . The light-emitting device according to claim 1 , further comprising:

one or more mounting bodies on which the one or more semiconductor elements are disposed.

8 . The light-emitting device according to claim 1 , wherein:

the plurality of lens sections comprise five or more lens sections arranged in the second direction.

9 . The light-emitting device according to claim 1 , further comprising:

a sealing member being fixed to the base; wherein:

the lens member is fixed to the base via the sealing member;

the plurality of semiconductor laser elements are disposed in a sealed space; and

the lens member is located outside the sealed space.

10 . The light-emitting device according to claim 1 , wherein:

in the lens member, a maximum outer diameter of each lens section is 1.25 times or more than an inter-vertex distance between adjacent ones of the lens sections in the second direction.

11 . The light-emitting device according to claim 1 , wherein:

the plurality of lens sections includes a second lens section, and two or more third lens sections arranged between the first lens section and the second lens section, and a shape of at least one of the third lens sections is different from a shape of the first lens section.

12 . The light-emitting device according to claim 11 , wherein:

a shape of each third lens section is different from a shape of the second lens section.

13 . The light-emitting device according to claim 11 , wherein:

each of the two or more third lens sections has the same shape.

14 . The light-emitting device according to claim 1 , further comprising:

a sealing member located above the base; wherein

the lens member is fixed to the sealing member by adhesive;

the plurality of semiconductor laser elements are disposed in a sealed space;

the lens member is located outside the sealed space; and

a space between the sealing member and the lens member is open to an area outside the light-emitting device via at least one gap in the adhesive between the sealing member and the lens member.

15 . The light-emitting device according to claim 14 , wherein:

at an outer edge of the lens member, the adhesive is respectively disposed at two or more areas that are separated from each other.