Patent ID: 11916164
Assignee: MEIJO UNIVERSITY
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The method according to claim 1, wherein the light-emitting element further comprises a substrate, an n-type layer on the substrate, the light-emitting layer on the n-type layer, the p-type layer on the light-emitting layer and a p-type contact layer on the p-type layer,
wherein a band gap of the p-type contact layer is smaller than band gaps of the substrate and a layer located between the substrate and the light-emitting layer, and
wherein in the removing of hydrogen in the p-type layer from the light-emitting element, the light-emitting element is irradiated, from a substrate side, with the ultraviolet light with an energy lower than the band gaps of the substrate and the layer located between the substrate and the light-emitting layer.