发明名称 IMAGE DISPLAY APPARATUS
摘要 <P>PROBLEM TO BE SOLVED: To provide an illuminator, an image display apparatus and a polarization conversion/diffusion member capable of more reliably reducing speckle noise. <P>SOLUTION: An illuminator comprises: a laser light source for emitting laser light; and a polarization converter 43 having a plurality of areas for converting the laser light emitted from the laser light source into the laser light having a plurality of kinds of polarization directions to exit. The illuminator diffuses the laser light emitted from the laser light source or the laser light exiting from the polarization converter 43 and illuminates a projected surface 50. <P>COPYRIGHT: (C)2013,JPO&INPIT
申请公布号 JP2013029845(A) 申请公布日期 2013.02.07
申请号 JP20120195829 申请日期 2012.09.06
申请人 SEIKO EPSON CORP 发明人 YAMAUCHI TAISUKE;TAKEDA TAKASHI
分类号 G03B21/14;G02B5/18;G02B5/30;G03B21/00 主分类号 G03B21/14
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