Led lighting apparatus with improved total harmonic distortion in source current
AssigneePosco LED Company Ltd.
InventorsSeong Bok YOON, Dae Won Kim, Jung Hwa Kim
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AssigneePosco LED Company Ltd.
InventorsSeong Bok YOON, Dae Won Kim, Jung Hwa Kim
Estimating the term…
The LED lighting apparatus includes: a rectification block; an LED block including a first light emitting group and a second light emitting group; a charging/discharging block configured to charge electric charges in a charging period, and discharge electric charges in a discharging period; a driving control unit configured to determine a voltage level of a rectified voltage, controls a path selection switch to connect the rectification block to the LED block and controls the charging/discharging block to charge electric charges in the charging period, and controls the path selection switch to connect the rectification block to a ground and controls the charging/discharging block to discharge electric charges from the charging/discharging block to the LED block in the discharging period; and a path selection switch configured to connect the rectification block to the LED block in the charging period, and connect the rectification block to the ground in the discharging period.
An LED lighting apparatus comprising:
An LED lighting apparatus comprising:
Dependencies are inferred from the claim text.