发明名称 |
LED lighting circuit and led luminaire |
摘要 |
<p>According to one embodiment, an LED lighting circuit includes a lighting circuit provided between an external power supply and LED elements and a control circuit that controls the lighting circuit. The lighting circuit includes an electrolytic capacitor, the capacitance of which decreases to be lower than a rated value or the impedance of which increases to be higher than a rated value at temperature equal to or lower than -20°C. The control circuit performs an initial lighting operation under a temperature environment equal to or lower than -20°C.
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申请公布号 |
EP2574149(A3) |
申请公布日期 |
2013.08.28 |
申请号 |
EP20120179936 |
申请日期 |
2012.08.09 |
申请人 |
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION |
发明人 |
KOZUKA, HIDEO;KONISHI, TATSUYA;TERASAKA, HIROSHI |
分类号 |
H05B33/08 |
主分类号 |
H05B33/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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