The successful development of white LEDs has really ignited the brilliance of “green lightingâ€. With the continuous advancement of LED technology, LED is gradually developing from the signal and display stage to the lighting application stage. Its long life, high efficiency and energy saving features have been recognized. White LED is getting more and more widely used in the field of indoor lighting.
He Zaihua, a senior researcher at China Investment Consulting, pointed out that the reason why the development of white LED has now reached the timing of indoor lighting, mainly has the following factors: First, no matter how the outdoor lighting develops, indoor lighting is always the difficulty that needs to be overcome in the lighting field. This is especially true for white LEDs, which are more in line with a series of requirements in the field of indoor lighting. It is the only way to develop indoor lighting.
Secondly, between 2009 and 10 years, the packaging cost of global white LEDs has dropped by 50%, and the packaging cost of warm white LEDs has dropped by about 50%. Moreover, so far, the cost reduction curve and the light efficiency rising curve have had a cross point. As the technology continues to mature, the cost will continue to decline, but the amplitude has obviously weakened, and the trend of diminishing marginal effects has been quite obvious.
Zhang Yulin, research director of China Investment Consulting, pointed out that the decline in cost at the beginning of 2010 undoubtedly opened the window for white LEDs to enter indoor lighting, and with the gradual improvement of the layout of outdoor lighting, especially in the field of street lamps, the development space is shrinking, and some foreign companies enter In the domestic street lighting field, attempts are made to divert the local enterprises in China. If they can not seize the opportunities in the field of indoor lighting, they are likely to be in a weak position in the later stage of development. Therefore, under the condition that the technology has matured, it is now necessary to enter. A good opportunity in the field of interior lighting.
According to the "2010-2015 China Semiconductor Lighting (LED) Industry Investment Analysis and Forecast Report" released by China Investment Consulting, China's LED technology started late, and patent disputes are increasing in recent years, while domestic companies are often in comparison. Passive situation. Most of the patents for white LEDs are subject to Nichia, but some important patents will expire in recent years. Therefore, this year and next year will be a good time for domestic companies to develop in the patent field.
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