Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – Plural light emitting devices
Reexamination Certificate
2010-04-23
2010-11-23
Smith, Zandra (Department: 2822)
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
Plural light emitting devices
C257S096000, C257S099000, C257S103000, C257S778000, C257SE33055, C257SE33056, C257SE33057, C257SE33065, C257SE33066, C257SE27121, C438S022000
Reexamination Certificate
active
07838891
ABSTRACT:
Disclosed is a light emitting device having a plurality of light emitting cells and a package having the same mounted thereon. The light emitting device includes a plurality of light emitting cells which are formed on a substrate and each of which has an N-type semiconductor layer and a P-type semiconductor layer located on a portion of the N-type semiconductor layer. The plurality of light emitting cells are bonded to a submount substrate. Accordingly, heat generated from the light emitting cells can be easily dissipated, so that a thermal load on the light emitting device can be reduced. Meanwhile, since the plurality of light emitting cells are electrically connected using connection electrodes or electrode layers formed on the submount substrate, it is possible to provide light emitting cell arrays connected to each other in series. Further, it is possible to provide a light emitting device capable of being directly driven by an AC power source by connecting the serially connected light emitting cell arrays in reverse parallel to each other.
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Lee Chung Hoon
Lee Young Ju
Yoon Hyung Soo
Yves Lacroix
H.C. Park & Associates PLC
Joy Jeremy J
Seoul Opto Device Co., Ltd.
Smith Zandra
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