Light-emitting module and planar light source
A light-emitting module includes first and second light sources, first and second light guide parts, and a first light-modulating member. The first light guide part includes a first A-major surface, a first B-major surface, a first side surface positioned between the first A-major surface and the first B-major surface, and a first hole portion in which the first light source is disposed. The second light guide part includes a second A-major surface, a second B-major surface, a second side surface positioned between the second A-major surface and the second B-major surface, the second side surface facing the first side surface, and a second hole portion in which the second light source is disposed. The first light-modulating member is positioned at an upper side of the first A-major surface. The first light-modulating member overlaps the first A-major surface and the first side surface when viewed in top-view.
1. A light-emitting module comprising:
a first light source;
a second light source;
a first light guide part including
a first A-major surface,
a first B-major surface positioned at a side opposite to the first A-major surface,
a first side surface positioned between the first A-major surface and the first B-major surface, and
a first hole portion in which the first light source is disposed;
a second light guide part including
a second A-major surface,
a second B-major surface positioned at a side opposite to the second A-major surface,
a second side surface positioned between the second A-major surface and the second B-major surface, the second side surface facing the first side surface of the first light guide part, and
a second hole portion in which the second light source is disposed; and
a first light-modulating member positioned at an upper side of the first A-major surface, the first light-modulating member overlapping the first A-major surface and the first side surface when viewed in top-view, wherein
the first light guide part further includes a first protrusion,
the second light guide part further includes a second protrusion,
the first protrusion faces the second protrusion, and
the first light-modulating member is disposed on the first protrusion and the second protrusion.
2. The light-emitting module according to claim 1 , wherein
the first light-modulating member overlaps the second A-major surface and the second side surface of the second light guide part when viewed in top-view.
3. The light-emitting module according to claim 2 , wherein
a portion of the first light-modulating member is positioned lower than an upper surface of the first light source.
4. The light-emitting module according to claim 3 , wherein
the first light-modulating member and the first light guide part are in contact with each other.
5. The light-emitting module according to claim 4 , wherein
the first light-modulating member continuously covers the first A-major surface and the first side surface.
6. The light-emitting module according to claim 5 , wherein
the first side surface of the first light guide part includes a first A-side surface and a first B-side surface,
the second side surface of the second light guide part includes
a second A-side surface facing the first A-side surface, and
a second B-side surface facing the first B-side surface,
a distance between the first A-side surface and the second A-side surface is less than a distance between the first B-side surface and the second B-side surface, and
the first light-modulating member overlaps the first B-side surface when viewed in top-view.
7. The light-emitting module according to claim 6 , wherein
the first light-modulating member is a resin member that includes a light-diffusing material.
8. The light-emitting module according to claim 1 , wherein
a portion of the first light-modulating member is positioned lower than an upper surface of the first light source.
9. The light-emitting module according to claim 1 , wherein
the first light-modulating member and the first light guide part are in contact with each other.
10. The light-emitting module according to claim 1 , wherein
the first light-modulating member continuously covers the first A-major surface and the first side surface.
11. The light-emitting module according to claim 1 , wherein
the first side surface of the first light guide part includes a first A-side surface and a first B-side surface,
the second side surface of the second light guide part includes
a second A-side surface facing the first A-side surface, and
a second B-side surface facing the first B-side surface,
a distance between the first A-side surface and the second A-side surface is less than a distance between the first B-side surface and the second B-side surface, and
the first light-modulating member overlaps the first B-side surface when viewed in top-view.
12. The light-emitting module according to claim 1 , wherein
the first light-modulating member is a resin member that includes a light-diffusing material.
13. The light-emitting module according to claim 1 , wherein
the first light-modulating member continuously surrounds the first light source when viewed in top-view.
14. The light-emitting module according to claim 1 , further comprising:
a plurality of additional first light-modulating members spaced apart from each other around the first light source when viewed in top-view.
15. The light-emitting module according to claim 1 , wherein
at least a part of the first side surface of the first light guide part is spaced apart from at least a part of the second side surface of the second light guide part.
16. A planar light source comprising:
a support member; and
the light-emitting module according to claim 1 , the light-emitting module being disposed on the support member with the first B-major surface of the first light guide part and the second B-major surface of the second light guide part facing the support member.
17. The planar light source according to claim 16 , wherein
the support member and the first light-modulating member are in contact with each other.