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US 2012/0235189 A1Published application
Light-emitting device
AssigneeEpistar Corporation
InventorChia-Liang HSU
Life of this patent
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Abstract
This disclosure discloses a light-emitting device. The light-emitting device comprises: a substrate; an intermediate layer formed on the substrate; a transparent bonding layer; a first semiconductor window layer bonded to the semiconductor layer through the transparent bonding layer; and a light-emitting stack formed on the first semiconductor window layer. The intermediate layer has a refractive index between the refractive index of the substrate and the refractive index of the first semiconductor window layer.
Claims15
A light-emitting device comprising:
- a substrate;
- an intermediate layer formed on the substrate;
- a transparent bonding layer;
- a first semiconductor window layer bonded to the semiconductor layer through the transparent bonding layer;
- and
- a light-emitting stack formed on the first semiconductor window layer;
- wherein the intermediate layer has a refractive index between the refractive index of the substrate and the refractive index of the first semiconductor window layer.
4 more elements
Dependencies are inferred from the claim text.