发明名称 LENS SHEET AND EL LIGHT-EMITTING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a lens sheet with which a brightness increase rate becomes high and also a color temperature difference for each irradiation angle becomes small, and to provide an EL light-emitting device using the same. ! SOLUTION: A lens sheet 1 to be pasted to an exit plane of light of an EL light-emitting device includes a lens layer 2, including a layer composed of a transparent resin containing a diffusion agent, on an exit plane side of which a number of concave lens-shaped unit lenses 2a are arranged. The lens sheet 1 is pasted to the EL light-emitting device. ! COPYRIGHT: (C)2015,JPO&INPIT
申请公布号 JP2015109213(A) 申请公布日期 2015.06.11
申请号 JP20130251686 申请日期 2013.12.05
申请人 GOYO PAPER WORKING CO LTD 发明人 YAMAGUCHI YOSHINORI ; OKUDA KAZUYUKI
分类号 H05B33/02;G02B3/00;G02B5/02;H01L51/50 主分类号 H05B33/02
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