发明名称 |
LIGHT EMITTING DIODE DRIVING APPARATUS |
摘要 |
There is provided a light emitting diode driving apparatus capable of uniformly maintaining current balance between light emitting diode channels. The light emitting diode driving apparatus includes: a DC to DC converting unit converting the direct current power into settable driving power; a detecting unit detecting voltage drops generated in each of a plurality of light emitting diode channels each having a plurality of light emitting diodes; a converting unit converting an analog value into a digital value; and a driving unit differentially setting duty cycles of switching signals according to the digital values from the converting unit to drive the plurality of light emitting diode channels.
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申请公布号 |
US2013249418(A1) |
申请公布日期 |
2013.09.26 |
申请号 |
US201213494543 |
申请日期 |
2012.06.12 |
申请人 |
PARK JUNG EUI;HWANG BO HYUN;KIM SEO HYUNG;LEE JAE SHIN;HAN DAE HOON;KONG SEUNG KON;SAMSUNG ELECTRO-MECHANICS CO., LTD. |
发明人 |
PARK JUNG EUI;HWANG BO HYUN;KIM SEO HYUNG;LEE JAE SHIN;HAN DAE HOON;KONG SEUNG KON |
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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