Patent ID: 11908977
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A semiconductor light-emitting device, comprising:
a growth substrate;
a light-emitting structure on the growth substrate, the light-emitting structure including a first semiconductor layer, an active layer, and a second semiconductor layer sequentially stacked, the light-emitting structure further including an etched region and a mesa region;
a first insulating layer on the light-emitting structure and the growth substrate, the first insulating layer includes a plurality of first openings in the etched region, and a plurality of second openings in the mesa region;
a second insulating layer on the first insulating layer, the second insulating layer including a third opening in the mesa region;
a first sub-electrode layer between the second semiconductor layer and the first insulating layer;
a second sub-electrode layer between the first insulating layer and the second insulating layer, the second sub-electrode layer being connected to the first sub-electrode layer through the plurality of second openings;
a first electrode and a second electrode on the second insulating layer, the first electrode being connected to the first semiconductor layer through the plurality of first openings, and the second electrode being connected to the second sub-electrode layer through the third opening;
a first metal interconnection on the first electrode; and
a second metal interconnection on the second electrode,
wherein a second pitch between two adjacent ones of the plurality of second openings closest to each other is smaller than a first pitch between two adjacent ones of the plurality of first openings closest to each other, and
wherein a total area of the plurality of first openings measured at a top surface of the first semiconductor layer is smaller than a total area of the plurality of second openings measured at a top surface of the first sub-electrode layer.