Under the jurisdiction of hangzhou shangda photoelectric technology co., ltd. and hubei shangda lvyuan lighting technology co., LTD., shangda photoelectric group is a high-tech enterprise specializing in providing LED space lighting solutions, headquartered in hangzhou, zhejiang province. The company has industry leading technical resources and experienced management team, gathered a group of technical experts in the field of LED, now has 37 research and development personnel, including 2 doctors, 3 returnees, the enterprise has passed ISO9001, ISO14001 certification. The company insists on taking technological innovation as the guide, and has applied for 117 patents (excluding appearance patents), covering system design, electrical design, industrial design, optical design and structural design, etc. Enterprises since its establishment for Wuhan Zhongnan ltd. Group Co., Ltd, Wu Shang Group Co., Ltd., CCCC second highway survey and design institute Co., Ltd., Wuhan han shang Group Co., Ltd., Wuhan from best Group Co., Ltd., Wuhan Mr Hill century real estate development Co., Ltd., Rainbow Department Store Co., ltd. and so on many large listed companies and the outdoor lighting engineering customer success provides space customized programs and outdoor lighting lighting project.
About the founder:
Johnny
1997.09-2000.04 zhejiang university electrical engineering department power electronics major master
2000.04-2006.01 igbo power supply (hangzhou) co., LTD. Senior engineer
January 2006 -- October 2007 Bel Power Inc. Product manager (Boston USA)
2007.10-2009.06 general manager of igbo power (hangzhou) co., LTD
2009.06-2010.03 CPES visiting scholar senior researcher of Virginia Tech (Virginia USA)
2010.03-2012.09 deputy general manager of CTO of infett optoelectronics (hangzhou) co., LTD
2012.09-present hangzhou shangda photoelectric technology co., LTD. Founder
A total of 73 patents have been applied, including 2 international invention patents and 40 domestic invention patents (the following are some patents) :
A driving lighting system - 201410007721.5;
A dimming LED lamp - 201010236498.3;
A multi-channel LED current sharing control circuit - 201010192631.x;
The utility model relates to a decorative light fixture - 201610083677.5
A lighting device that can change color temperature - 201410608176.5
Luminous structure and backlight module -- 201410150726.3
[1] Guichao Hua and Yi Jiang: “A Self-driven Synchronous Rectification Scheme,” Patent awarded in U.S. No. US6,563,719 B1.
[2] Ya Liu, Daifu Xiong, Yi Jiang and Guichao Hua: “Converter with Integrated Active Clamp Circuit and Bias Circuit”, Patent awarded in U.S. No. US 7, 012, 817 B2