The new driver uses innovative multi-level PWM technology to power LEDs, which significantly improves light quality and energy efficiency compared to the PWM and linear drivers used in current LED products. This approach is not limited to LED drivers and offers many more benefits and options than PWM or constant current modes.
With the traditional PWM method, the current received by the LED is pulsed instead of DC. This drive current is quickly switched at a speed that is undetectable by the human eye. Powering the LEDs with a pulsed current makes the light output easier to control.
A research team led by Dr. Lai Yuk Ming, Dr. Loo Ka Hong and Professor Michael Tse, who changed the PWM approach. Pulsed operation is a redesign that maximizes light output while minimizing thermal energy consumption. Thereby achieving higher luminous efficiency (lm/W). Dr. Loo Ka Hong believes that their technology can save 15% more energy.
Compared to the conventional method, it has low heat dissipation requirements and requires less heat sink. This means that LED systems can be made smaller. Thanks to its excellent dimming capability, this new PWM driver allows manufacturers to create fully dimmable LEDs for dimming performance down to 0 watts. These superior qualities result in brighter, smarter and more durable LED lighting solutions.
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