Inventor
YEN TZU-HSUAN
TW4 patents
Patents
4 patentsUS7438441B2Oct 21, 2008
Light emitting light diode light tube
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Matrix type light emitting diode assembly
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US7490969B2Feb 17, 2009
Modulated lighting device
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US7347584B2Mar 25, 2008
Light emitting diode lamp assembly
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