发明名称 |
BACKLIGHT DRIVE APPARATUS AND VIDEO DISPLAY APPARATUS |
摘要 |
A backlight drive apparatus for current driving a plurality of strings has a period in which at least one of the strings is a current driven idly during a liquid crystal OFF period, in addition to a current driving period in which video information is displayed via liquid crystals. A failure detection section can monitor stabilized detection voltages in the period when current driven idly and detects failure state of the backlight panel.
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申请公布号 |
US2011080397(A1) |
申请公布日期 |
2011.04.07 |
申请号 |
US20100821413 |
申请日期 |
2010.06.23 |
申请人 |
PANASONIC CORPORATION |
发明人 |
YAMAMOTO YASUNORI;KATAOKA SHINICHIRO;KAWAHARA TSUKASA;TAKATA GO;UEDA RYUJI;ITOU DAISUKE |
分类号 |
G09G5/00;G09G3/36;H05B37/02 |
主分类号 |
G09G5/00 |
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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