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Top Union Globaltek Inc. Patents |
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Assignee: Top Union Globaltek Inc.
Address: Hsinchu, 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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