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US 9,871,171 B2Granted
Light-emitting device and manufacturing method thereof
AssigneeEpistar Corporation
InventorsJen-Li Hu, Tzu-Chieh Hsu
Life of this patent
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Abstract
A light-emitting device comprises a light-emitting structure capable of emitting a light; an electrode formed on a side of the light-emitting structure; a transparent structure formed on a second side of the light-emitting structure, wherein the transparent structure is aligned to a region of the electrode, and comprises a first transparent layer and a second transparent layer around the first transparent layer; a contact structure formed on the second side of the light-emitting structure; and a reflective layer covering the transparent structure and the contact structure.
Claims20
A light-emitting device, comprising:
- a light-emitting structure capable of emitting a light;
- an electrode formed on a first side of the light-emitting structure;
- a transparent dielectric structure formed on a second side of the light-emitting structure, wherein the transparent dielectric structure is aligned to a region of the electrode, and comprises a first transparent layer and a second transparent layer covering the first transparent layer, wherein the first transparent layer and the second transparent layer have different refractive indices;
- and
- a reflective layer covering the transparent dielectric structure.
2 more elements
Dependencies are inferred from the claim text.