High efficiency lighting device and method for fabricating the same
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United States of America Patent
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Jan 4, 2011
Grant Date -
Jun 3, 2010
app pub date -
Mar 23, 2009
filing date -
Nov 28, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention discloses a high-efficiency lighting device and a method for fabricating the same. The method of the present invention comprises steps: providing an insulation substrate and sequentially forming an electrode layer and a seed layer on the insulation layer; forming a plurality of zinc oxide micro and nano structures and a plurality of first insulation units on the seed layer, wherein each zinc oxide micro and nano structure is arranged between two neighboring first insulation units; forming a nitride layer on the side wall of each zinc oxide micro and nano structure; and forming an electrode layer on each nitride layer. The present invention achieves a high-efficiency lighting device via growing nitride layers on the side walls of zinc oxide micro and nano structures. Further, the present invention can reduce the fabrication cost.
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