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公开(公告)号:US20190097107A1
公开(公告)日:2019-03-28
申请号:US16140111
申请日:2018-09-24
Applicant: NICHIA CORPORATION
Inventor: Yasuo KATO , Yuichi HAMADA , Kensaku HAMADA , Takanori AKAISHI
Abstract: A light-emitting device includes a light emitting element having a pad electrode, and a metal member connected to the pad electrode via a wire. The wire has a layered structure including at least a core material containing copper as a main component, an intermediate layer containing palladium as a main component, and a surface layer containing silver as a main component. The intermediate layer is art raged between the core material and the surface layer.