发明名称 |
CURRENT BALANCE CIRCUIT HAVING PROTECTION FUNCTION, AND POWER SUPPLY |
摘要 |
There are provided a current balance circuit having a protection function that prevents the current balance circuit from being damaged during a preset time period by maintaining a constant level of power being supplied to the lamp, and a power supply. The current balance circuit having the protection function includes a current balance unit maintaining current balance of lamp driving power supplied to a lamp unit including a plurality of lamps, and a protection unit detecting the lamp driving power supplied to the lamp unit from the current balance unit, cutting-off the lamp driving power after a preset time period when the lamp operates abnormally, and controlling a voltage level of the lamp driving power to a preset reference voltage level or lower during the preset time period.
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申请公布号 |
US2011050105(A1) |
申请公布日期 |
2011.03.03 |
申请号 |
US20090640259 |
申请日期 |
2009.12.17 |
申请人 |
SAMSUNG ELECTRO-MECHANICS CO., LTD. |
发明人 |
CHONG WON SIK;KIM JONG RAK;YOON KYOUNG HO;SEO YOON SEOK |
分类号 |
H05B37/02 |
主分类号 |
H05B37/02 |
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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