High light efficiency LED lamp area
The utility model discloses a high light efficiency LED lamp area, but connect in parallel including the LED unit return circuit of a plurality of autonomous workings and form, but the LED unit returncircuit of every autonomous working includes the parallelly connected unit of a plurality of LED and...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a high light efficiency LED lamp area, but connect in parallel including the LED unit return circuit of a plurality of autonomous workings and form, but the LED unit returncircuit of every autonomous working includes the parallelly connected unit of a plurality of LED and at least one divider resistance series connection and forms, the parallelly connected unit of every LED forms by at least 2 LED are parallelly connected, but the lamp area length range in the LED unit return circuit of its every autonomous working is 1.5 meters to 2.5 meters, the quantity scope ofthe parallelly connected unit of LED that every LED unit return circuit includes is 36 to 80, the voltage vi at the both ends in every LED unit return circuit, the total VLED of the both ends voltageof the parallelly connected unit of each LED, and the total VR of each divider resistance both ends voltage satisfies: (Imgfile='DDA0001460407980000011. TIF'wi='870'he='127' /) make the total VLED ofthe LED unit return circuit |
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