发明名称 IMAGE DISPLAY
摘要 <p>A light-quantity adjusting function of a diaphragm used for light quantity control for improving the contrast of a projected image is controlled to cancel light quantity variation due to variation of the driving power of the light source for increasing the service life. This control keeps the quantity of light coming into a display element at a constant value and achieves both service life extension of the light source and image projection having no brightness fluctuation.</p>
申请公布号 EP1767987(A4) 申请公布日期 2010.11.03
申请号 EP20060747166 申请日期 2006.06.05
申请人 PANASONIC CORPORATION 发明人 SUGINO, SHINGO;SHIOTA, TETSURO;HAMADA, SATOSHI;YAMANO, SHIGEAKI
分类号 G03B21/14;G02F1/13;G02F1/133;G03B21/20;G09G3/20;G09G3/34;G09G3/36;H04N5/74 主分类号 G03B21/14
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