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US 2019/0097107 A1Published application
Light-emitting device
AssigneeNichia Corporation
InventorsYasuo KATO, Yuichi HAMADA, Kensaku HAMADA, Takanori AKAISHI
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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.
Claims6
A light-emitting device comprising:
- a light emitting element having a pad electrode;
- a metal member connected to the pad electrode via a wire, the wire having a layered structure including at least
- a core material containing copper as as main component,
- an intermediate layer containing palladium as a main component, and
- a surface layer containing silver as a main component,
- the intermediate layer being arranged between the core material and the surface layer.
3 more elements
Dependencies are inferred from the claim text.