Fabrication method of light emitting diode

Semiconductor device manufacturing: process – Making device or circuit emissive of nonelectrical signal – Compound semiconductor

Reexamination Certificate

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C438S962000, C977S755000, C257SE33032

Reexamination Certificate

active

08071409

ABSTRACT:
A fabrication method of light emitting diode is provided. A first type doped semiconductor layer is formed on a substrate. Subsequently, a light emitting layer is formed on the first type doped semiconductor layer. A process for forming the light emitting layer includes alternately forming a plurality of barrier layers and a plurality of quantum well layers on the first type doped semiconductor layer. The quantum well layers are formed at a growth temperature T1, and the barrier layers are formed at a growth temperature T2, where T1<T2. Then, a second type doped semiconductor layer is formed on the light emitting layer.

REFERENCES:
patent: 7091514 (2006-08-01), Craven et al.
patent: 7186302 (2007-03-01), Chakraborty et al.
patent: 2005/0214992 (2005-09-01), Chakraborty et al.
patent: 2007/0012932 (2007-01-01), Kobayakawa et al.
patent: 2007/0026551 (2007-02-01), Sato et al.

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