Active solid-state devices (e.g. – transistors – solid-state diode – Thin active physical layer which is – Heterojunction
Reexamination Certificate
2011-01-04
2011-01-04
Dang, Trung (Department: 2892)
Active solid-state devices (e.g., transistors, solid-state diode
Thin active physical layer which is
Heterojunction
C257SE33068
Reexamination Certificate
active
07863599
ABSTRACT:
A light emitting diode (LED) has an n-type semiconductor layer, an active layer, a p-type semiconductor layer, and a transparent electrode layer. The LED includes a tunnel layer interposed between the p-type semiconductor layer and the transparent electrode layer, an opening arranged in the transparent electrode layer so that the tunnel layer is exposed, a distributed Bragg reflector (DBR) arranged in the opening, and an electrode pad arranged on the transparent electrode layer to cover the DBR in the opening.
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patent: 7279751 (2007-10-01), Ueda et al.
patent: 7786502 (2010-08-01), Sakai
patent: 2008/0179605 (2008-07-01), Takase et al.
patent: 10-0721515 (2007-05-01), None
Kal Dae Sung
Kim Dae Won
Kim Hwa Mok
Dang Trung
H.C. Park & Associates PLC
Seoul Opto Device Co., Ltd.
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