Zhou Xunwei: Protecting vision and promoting the industry to promote stroboscopic power

On February 23, 2014, the New Year Forum hosted by Gaogong LED, LED Lighting E-Commerce and Supply Chain Integration Summit was held in the Manjiang Red Hall on the third floor of Shangri-La Hotel, Pazhou, Guangzhou. In the afternoon, LED lighting supply chain good product tour specials came from Corporate guests such as Mulinsen, Yuanda Electronics, Overclocking III, Jingtai Optoelectronics, Jiehuate and Incentive Testing gave a keynote speech on how to control supply chain cost control, internal R&D ecosystem and technology development trends in the new market situation. And brought the latest technology and product sharing in the segment to the participants.

　 Lin Jili, general manager of Mulinsen Lighting, Yang Lixin, deputy general manager of Yuanda Electronics, Wen Kongliang, director of overclocking technology engineering, Zhou Xunwei, general manager of Jiehuate Electronics, Zhang Zhennan, R&D manager of Jingtai Optoelectronics, Li Sheng, general manager of testing and testing, etc. Share from the sub-areas of light sources, power supplies, substrates, cooling kits, and finished product inspection.



Zhou Huwei, General Manager of Jiehuate Electronics


With the popularity of LED lighting products in indoor applications, the visual fatigue caused by stroboscopic lighting has attracted more and more attention. In particular, lamps used in classrooms, bedrooms, etc. are required to be strobed.

"Because of the low bandwidth characteristics of PFC, the output voltage ripple is very large, resulting in high current ripple. Currently, Wenbo mainly adopts a two-stage scheme, but the cost is high, and the EMI design industry is more troublesome." Jiehuate Electronics General Manager Zhou “They developed their own new strobo-free solution – an adaptive linear current source that completely overcomes these problems,” said Wei Wei.

The adaptive linear current source removes 100/120Hz current ripple without additional inductance, capacitance, low cost, and no switching and EMI noise.

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