发明名称 |
Image display |
摘要 |
An image display device which has a display element that optically modulates an incident light for displaying an image. A lamp is a light source of the incident light to the display element. A lamp driver drives the lamp. A lamp power level calculator calculates a driving power level of the lamp corresponding to a level of an input video signal. A lamp temperature controller controls a lamp temperature depending on changes in the input signal from the lamp power level calculator so as to change the lamp temperature within a predetermined range in response to fluctuations of the input video signal. This image display device can further include a projection lens for projecting and displaying images formed in the display element on a screen.
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申请公布号 |
US7088058(B2) |
申请公布日期 |
2006.08.08 |
申请号 |
US20050520334 |
申请日期 |
2005.01.05 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
SHIOTA TETSURO;HAMADA SATOSHI;NOGUCHI TOSHIYUKI |
分类号 |
G05F1/00;H04N5/74;H05B37/02;H05B41/36;H05B41/39 |
主分类号 |
G05F1/00 |
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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