The growth of LED outdoor lighting is slowing down, and the industry is looking for a breakthrough under the pressure of triple doors

2015-11-06

  At the 2015 China LED Outdoor Lighting Tour Forum Xiamen Station, Dou Linping, secretary-general of the China Lighting Society, pointed out that from the perspective of lighting, LED street lights mainly have four major problems, such as light efficiency, light distribution, light decay, and color temperature (light color).


(Speech by Dou Linping, Secretary General of China Illuminating Society)


  Dou Linping believes that in recent years, LED street light technology is changing with each passing day, the optical performance is improving quickly, but in terms of color temperature and light efficiency, LED products are still flawed in the application of outdoor lighting, the first is the color temperature is too high, resulting in weak light penetration; Secondly, the light efficiency is low, from the point of view of safety, government departments in the promotion of LED still have concerns.



In fact, although the industry has different opinions on the pros and cons of LED street lamps, the large-scale promotion pilot in Guangdong and other areas in recent years shows that LED street lamps have far exceeded the traditional sodium lamps in terms of energy saving, safety, stability and so on. Lv Degang, general manager of Shenzhen Liyang Optoelectronics, believes that the popularity of LED outdoor lighting has brought unprecedented opportunities to enterprises. He said that the development trend of LED outdoor lighting will focus on the development direction of low color temperature, high light efficiency and low cost. At present, the LED street lamp module developed by Liyang Optoelectronics is formulated with a special phosphor from the United States, a strategic partner, to ensure that the color temperature reaches 2850K while achieving high luminous efficiency (160lm/w), which effectively solves the problem of the color temperature contradiction of current LED lighting products, and can completely replace traditional high-pressure sodium lamps.


Relevant data show that in 2014, China's LED outdoor functional lighting market reached 14.7 billion yuan, an increase of 22%. It is predicted that 2014-2017 will be the global LED outdoor lighting replacement tide, and the number of global LED street lamp installations will increase by four times in the next five years. In the face of huge market expectations, Chinese LED companies have done large-scale mergers and acquisitions through listing, and at the same time, Osram, Philips Lumens and other international lighting companies have begun to slim down.


"The future LED global research and development and manufacturing center is definitely in China, product refinement may be the way out for small and medium-sized LED enterprises to face competition." The first is to use their own advantages to do a good job in market segments; The second is to improve the product performance; The third point is to improve the cost performance, a product wants to seize the market, cost performance is always the theme." Lv Degang revealed that in recent years, Liyang Optoelectronics revenue growth rate of 101%, net profit compound growth rate of 256%, in 2015 successfully landed in Forbes China's top 100 non-listed potential enterprises list, the company in early May carried out a new round of factory expansion, production capacity expanded nearly 3 times before, the production line increased by 40.



  The reporter was also informed that in addition to the field of outdoor lighting, Liyang Optoelectronics can provide customers with a full set of technical solutions for medium and high power LED light source packaging, optical design, and whole lamp development. One of the street lamp modules won the first gold medal of China LED, the use of MLA(MICRO LENS ARRAY) surface light technology chip, the industry's first "up large and down small" fin cooling structure, combined with independent research and development of optical lenses, mass production module light efficiency ≥170lm/w, technology in the industry leading position.


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