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FLEXIBLE PRINTED WIRING BOARD FOR MOUNTING LED LIGHT-EMITTING ELEMENT, LED LIGHT-EMITTING ELEMENT MOUNTED FLEXIBLE PRINTED WIRING BOARD, AND ILLUMINATION DEVICE
FLEXIBLE PRINTED WIRING BOARD FOR MOUNTING LED LIGHT-EMITTING ELEMENT, LED LIGHT-EMITTING ELEMENT MOUNTED FLEXIBLE PRINTED WIRING BOARD, AND ILLUMINATION DEVICE
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机译:用于安装LED发光元件的挠性印刷线路板,用于安装LED发光元件的挠性印刷线路板和照明装置
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摘要
PROBLEM TO BE SOLVED: To provide a flexible printed wiring board for mounting an LED light-emitting element, capable of reducing moisture acting on a white reflection material layer, maintaining high light reflection efficiency, preventing peeling of a white reflection material layer and suppressing dust adhesion.;SOLUTION: A flexible printed wiring board 100a for mounting an LED light-emitting element is constituted by comprising a white reflection material layer 7 on a surface thereof. The white reflection material layer is formed from a resin composition containing a resin component and an inorganic white pigment. A water absorption rate of the resin composition for 24 hours is 0.5% or lower under a temperature environment of 25°C.;COPYRIGHT: (C)2013,JPO&INPIT
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