Patent ID: 11888090
Assignee: DOWA ELECTRONICS MATERIALS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC C  H | IPC H

Claim 6:
7. The semiconductor light-emitting element according to claim 1, wherein
a third III-V compound semiconductor layer is further included between the first III-V compound semiconductor layer and the second III-V compound semiconductor layer in the layered structure of the light-emitting layer,
group III element in the third III-V compound semiconductor layer is one type or two or more types selected from the group consisting of Al, Ga, and In, and group V element in the third III-V compound semiconductor layer is one type or two or more types selected from the group consisting of As, Sb, and P,
the third III-V compound semiconductor layer contains four or more types of elements selected from the group III element and the group V element,
each composition wavelength difference between adjacent layers among the first III-V compound semiconductor layer, the second III-V compound semiconductor layer, and the third III-V compound semiconductor layer is 50 nm or less, and
each ratio of a lattice constant difference between adjacent layers among the first III-V compound semiconductor layer, the second III-V compound semiconductor layer, and the third III-V compound semiconductor layer is not less than 0.05% and not more than 0.60%.