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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Uang; Chii-Maw
Address:
Kaohsiung, TW
No. of patents:
1
Patents:




Patent Number Title Of Patent Date Issued
7138770 LED driving circuit November 21, 2006
An LED driving circuit that is directly activated by an AC power supply is disclosed. A driving circuit has a first and second pair of opposite branches. The first pair of opposite branches operates in a positive half cycle of the AC power supply and the second pair of branches operates


 
 
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