FLEXIBLE PRINTED WIRING BOARD FOR MOUNTING LED LIGHT-EMITTING ELEMENT, LED LIGHT-EMITTING ELEMENT MOUNTED FLEXIBLE PRINTED WIRING BOARD, AND ILLUMINATION DEVICE

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...

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Bibliographische Detailangaben
Hauptverfasser:	SAITO HIROHISA, AKAHA YOSHIHIRO, UENISHI NAOTA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MECHANICAL ENGINEERING PRINTED CIRCUITS SEMICONDUCTOR DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	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.