Light emitting device, illuminating system, and illuminating method
Provided is a light emitting device which has: a plurality of LED chips (3), which are disposed on the LED chip mounting surface of a wiring board (2), and are grouped into a plurality of LED groups; a wavelength conversion member (5), which is disposed at a position that corresponds to the LED chip...
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Format: | Patent |
Sprache: | chi ; eng |
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