Light-emitting device and display
A light-emitting device includes: a semiconductor layer including a first conductive contact layer, a first conductive cladding layer, an active layer, a second conductive cladding layer, a second conductive contact layer and a resin block layer in this order; a first electrode in contact with the first conductive contact layer; and a second electrode in contact with the second conductive contact layer. The second conductive contact layer includes a first opening at least in a region facing the first electrode. Moreover, the resin block layer includes a plurality of second openings communicated with the first opening, and the first opening has an air gap.
1. A light-emitting device comprising:
a semiconductor layer including a first conductive contact layer, a first conductive cladding layer, an active layer, a second conductive cladding layer, a second conductive contact layer and a resin block layer arranged in this order;
a first electrode in contact with the first conductive contact layer; and
a second electrode in contact with the second conductive contact layer,
wherein the second conductive contact layer includes a first opening at least in a region facing the first electrode,
wherein the resin block layer includes a plurality of second openings communicating with the first opening, and
wherein the first opening has an air gap.
2. The light-emitting device according to claim 1 , wherein
each of the second openings extends in a first direction, and
a part between adjacent second openings of the resin block layer is a rod-shaped beam section extending in the first direction.
3. The light-emitting device according to claim 2 , wherein
the beam section has an inclined surface as a side surface, the inclined surface extending in a direction perpendicular to a (110) plane and being formed by a (111) plane.
4. The light-emitting device according to claim 1 , wherein
a thickness of the resin block layer is larger than a thickness of the second conductive contact layer.
5. The light-emitting device according to claim 1 , wherein
the second conductive contact layer has an exposed surface not in contact with the second conductive cladding layer on a surface on a side close to the second conductive cladding layer, and
the second electrode is in contact with the exposed surface.
6. A display comprising:
a display panel including a plurality of light-emitting devices which are fixed to a supporting substrate with a resin layer in between; and
a drive section driving each of the light-emitting devices,
each of the light-emitting devices including:
a semiconductor layer including a first conductive contact layer, a first conductive cladding layer, an active layer, a second conductive cladding layer, a second conductive contact layer and a resin block layer in order of decreasing distance from the supporting substrate,
a first electrode in contact with the first conductive contact layer, and
a second electrode in contact with the second conductive contact layer,
wherein the second conductive contact layer includes a first opening at least in a region facing the first electrode,
the resin block layer includes a plurality of second openings communicated with the first opening, and
the first opening has an air gap.