发明名称 PUNCHABLE ABRASION FLAW-RESISTANT DOUBLE LAYER LENS FILM
摘要 <P>PROBLEM TO BE SOLVED: To provide a punchable abrasion flaw-resistant double layer lens film hardly flawed during assembling work or the like, excellent in a punching characteristic, and having excellent optical performance. <P>SOLUTION: This punchable abrasion flaw-resistant double layer lens film includes a lens layer 2 with a lens pattern on an outer face, and a polycarbonate base material layer 3 laminated on an inner face of the lens layer 2, the lens layer 2 comprises a transparent resin having a fixed value or more of hardness and a fixed value or more of refractive index, and having an affinity to a polycarbonate, and the resin constituting the lens layer 2 is integrally formed with the polycarbonate of the base material layer 3, by fusion coextrusion. <P>COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009103884(A) 申请公布日期 2009.05.14
申请号 JP20070275067 申请日期 2007.10.23
申请人 GOYO PAPER WORKING CO LTD 发明人 MORITA YOSHIKUNI;YAMAZAKI YORINOBU;TSUYAMA TOMO;OKUNAKA NORIAKI
分类号 G02B3/06;B32B27/36;G02B1/04;G02B5/02;G02F1/1335;G02F1/13357 主分类号 G02B3/06
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