发光二极体阵列之控制器电路、系统与方法

申请公布号：TW200715237

申请号：TW095132090

申请日期：2006.08.31

申请公布日期：2007.04.16

申请人：

凹凸科技股份有限公司

发明人：林永霖;柳达

分类号：G09G3/12(2006.01)

主分类号：G09G3/12(2006.01)

代理人：王嗣荣

地址：美国

摘要：根据本发明之一实施例的方法包括供应电源至一LED阵列，其至少包含并联耦接之一第一LED串和一第二LED串，每一该串各自包含至少两个LED。该实施例的方法亦包括比较来自该第一LED串之一第一回授信号和来自该第二LED串之一第二回授信号。该第一回授信号与该第一LED串中之电流成正比，该第二回授信号与该第二LED串中之电流成正比。该实施例的方法亦包括至少部分根据比较该第一回授信号和该第二回授信号，控制至少该第一LED串之一压降，以相对于该第二LED串中的电流调整该第一LED串中的电流。当然，在不悖离本实施例的前提下，可能有多种替换、变化和修改。

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