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发明名称
可改变输出电流之发光二极体驱动装置及其方法;Light emitting diode driving apparatus with variable output current and method for the same
摘要
一脉波宽度调变产生控制单元将一使用者端设定信号之数值乘上一调光信号之数值,以得到一脉波宽度调变输出电流控制信号;该脉波宽度调变产生控制单元传送该脉波宽度调变输出电流控制信号至一发光二极体驱动单元;该发光二极体驱动单元将该脉波宽度调变输出电流控制信号之数值乘上该发光二极体驱动单元之一最大输出电流之数值,以得到一发光二极体脉波宽度调变驱动电流;该发光二极体驱动单元以该发光二极体脉波宽度调变驱动电流驱动一发光二极体。
申请公布号
TW201528871
申请公布日期
2015.07.16
申请号
TW103101338
申请日期
2014.01.14
申请人
群光电能科技股份有限公司 CHICONY POWER TECHNOLOGY CO., LTD.
发明人
蔡朝伟 TSAI, CHAO WEI;王俊评 WANG, JYUN PING;施宏达 SHIH, HUNG TA
分类号
H05B33/08(2006.01)
主分类号
H05B33/08(2006.01)
代理机构
代理人
谢佩玲王耀华
主权项
地址
新北市五股区五股工业区五工六路25号 TW
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