LED LIGHTING DEVICE
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United States of America Patent
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Issued Date -
Sep 28, 2023
app pub date -
Aug 27, 2021
filing date -
Sep 2, 2020
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Abstract
The present invention provides an LED illumination device, including: a light source carrier including a base, an accommodating space formed on the base; a light emitting unit including a light emitter and a lamp board fixed to the light source carrier; and an optical member covering or at least partially covering the light emitting unit. The light emitting unit and the optical member are both disposed in the accommodating space. The optical member includes a first light distribution unit and a second light distribution unit. At least 70% of a luminous flux generated by the light emitter in operation is directly emitted from the LED illumination device through the second light distribution unit.
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