发明名称 |
Driver for backlight unit |
摘要 |
A backlight unit, with a parallel configuration of plural lamps, having improved reliability is disclosed. The backlight unit driver includes: first and second lamps connected parallel to each other; a DC/AC inversion portion inverting a DC voltage into an AC voltage to apply the AC voltage to the lamps; a transformer transforming the AC voltage from the DC/AC inversion portion; a positive polarity AC signal compensator compensating an electric current difference between the first and second lamps using positive polarity AC signals from the first and second lamps; and a negative polarity AC signal compensator compensating the electric current difference between the first and second lamps using negative polarity AC signals from the first and second lamps.
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申请公布号 |
US8350492(B2) |
申请公布日期 |
2013.01.08 |
申请号 |
US20090588769 |
申请日期 |
2009.10.27 |
申请人 |
LG DISPLAY CO., LTD.;POSTECH ACADEMY-INDUSTRY FOUNDATION;LIM JONG HO;JUNG KYU BONG;PARK YOUNG KYU;KANG BONG KOO |
发明人 |
LIM JONG HO;JUNG KYU BONG;PARK YOUNG KYU;KANG BONG KOO |
分类号 |
H05B41/36 |
主分类号 |
H05B41/36 |
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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