发明名称 |
DISCHARGE LAMP DRIVING DEVICE AND METHOD, LIGHT SOURCE DEVICE, AND IMAGE DISPLAYING APPARATUS |
摘要 |
In at least one embodiment of the disclosure, a discharge lamp driving device includes a discharge lamp lighting unit configured to supply power to a discharge lamp while alternately switching a polarity of a voltage applied across two electrodes of the discharge lamp. A controller performs a modulation control of the power in accordance with a power ratio characterized by the power supplied in a polarity switching period. The controller starts the modulation control at a predetermined time after the power supplied to the discharge lamp reaches a predetermined power value.
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申请公布号 |
US2010084987(A1) |
申请公布日期 |
2010.04.08 |
申请号 |
US20090573258 |
申请日期 |
2009.10.05 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
YAMAUCHI KENTARO;TERASHIMA TETSUO |
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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