Semiconductor light-emitting element

A semiconductor light-emitting element, comprising:

• a substrate having a first surface on first side and a second surface on a second side opposite to the first side;
• a first electrode pad on the first side of the substrate and electrically connected to the substrate;
• a plurality of electrode layers including:
• a first electrode layer electrically connected to the first electrode pad, an upper end of the first electrode layer being positioned in the substrate, and
• a second electrode layer electrically connected to the first electrode pad, an upper end of the second electrode layer being positioned in the substrate, wherein
• a first distance between the first electrode pad and the first electrode layer is less than a second distance between the first electrode pad and the second electrode layer, and
• a cross-sectional area of the first electrode layer parallel to the first surface is less than a cross-sectional area of the second electrode layer parallel to the first surface;
• a laminated body on the second side of the substrate, the laminated body including a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, and a light-emitting layer between the first semiconductor layer and the second semiconductor layer;
• and
• a second electrode pad electrically connected to the second semiconductor layer.

A semiconductor light-emitting element, comprising:

• a substrate having a first surface on first side and a second surface on a second side opposite to the first side;
• a first electrode pad provided on the first side of the substrate and electrically connected to the substrate;
• a plurality of electrode layers including:
• a first electrode layer electrically connected to the first electrode pad, an upper end of the first electrode layer being positioned in the substrate, and
• a second electrode layer electrically connected to the first electrode pad, an upper end of the second electrode layer being positioned in the substrate, wherein a first distance between the first electrode pad and the first electrode layer is less than a second distance between the first electrode pad and the second electrode layer;
• and
• a first wiring electrically connected between the first electrode pad and the first electrode layer, the first wiring having a width substantially parallel to the first surface, wherein the width of the first wiring continuously becomes wider from the first electrode pad to the first electrode layer;
• a laminated body on the second side of the substrate, the laminated body including a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, and a light-emitting layer between the first semiconductor layer and the second semiconductor layer;
• and
• a second electrode pad electrically connected to the second semiconductor layer.