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多灯管驱动电路

申请公布号:TWM367348

申请号:TW098202983

申请日期:2009.02.27

申请公布日期:2009.10.21

申请人:
寰永科技股份有限公司

发明人:李启雄;张志彰;刘英鸿

分类号:G02F1/133

主分类号:G02F1/133

地址:新竹市科学工业园区新安路5号6楼之1

摘要:一种多灯管驱动电路,包括电源、升压变压器、复数灯管、复数电容及复数平衡变压器。该升压变压器连接于该电源,以将该交流讯号转换成电讯号;该等灯管分别串接于该升压变压器,以接收该电讯号;该等电容与该等灯管数量相同,且分别串接于该等灯管,每一灯管及一电容所形成之串联电路彼此并联;该等平衡变压器串接于该升压变压器与该等电容之间,每至少两个灯管及电容并联形成一组均流电路,每组均流电路串接至一个平衡变压器之一侧绕组,并经由该侧绕组连接至该升压变压器,同时,该等平衡变压器之另一侧绕组彼此串接。

主权项:一种多灯管驱动电路,用以驱动复数灯管,包括:电源,用于提供交流讯号;升压变压器,其初级侧连接于该电源,以将该交流讯号转换成可驱动该等灯管之电讯号;复数电容,分别串接于该等灯管,其中,每一灯管及一电容之串联形成一均流电路,该均流电路彼此并联;及复数平衡变压器,串接于该升压变压器与该等均流电路之间,其中每一平衡变压器之一侧绕组连接至少两个并联的均流电路至该升压变压器次级侧,同时,该等平衡变压器之另一侧绕组彼此串接。

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