LIGHT-EMITTING DEVICE, LIGHT-EMITTING ELEMENT PACKAGE AND WIRING BOARD FOR MOUNTING LIGHT-EMITTING ELEMENT
PROBLEM TO BE SOLVED: To maintain an excellent heat dissipation property while employing a simple single-sided wiring board using an inexpensive circuit board.SOLUTION: A light-emitting device includes: an electrically insulating board 10 having 80% or more of total reflectivity of at least a first...
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