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| LED lamp |
There are a variety of white LED manufacturing method, one for the blue LED chip coated with yellow phosphor, two on the blue LED chip coated with green and red phosphors, the three, the use of red, yellow and green tricolor LED chip mixed to form white light, four in the violet or ultraviolet LED chip coated or more of three primary color phosphors.
Used for general lighting white LED, is the principle of high-brightness blue wavelength of 445 ~ 475 nm LED excitation YAG yellow phosphor, blue and yellow are complementary use of shade, mixing a high-brightness white light, while the production of white LED; another There the wavelength 430 ~ 350 nm UV excitation of red, green, and blue phosphors to generate white light LED approach.年 2008 LED lights around the proportion of the global lighting market is only about 2%, to 2012, the global market size of the global LED lighting market will reach 4% -5%.
LED to replace CCFL LCD backlight is the trend, coupled with a drastic fall in LED and backlight using fluorescent powder blue + RG approach than in the past to use RGB color white hybrid approach greatly reduces the cost to drive LED TV to grow, according to Displaysearch analysis, 2009 LED LCD TV market penetration of about 3% to over 10% penetration rate in 2010, the future penetration will rise year by year.
2010 Sapphire stock prices caused by the reasons is that the permeability NB, TV, monitor backlight quickly pulled up, and almost all with blue backlight LED plus phosphor grains as white backlight, resulting in blue rising demand for LED applications.
Used for general lighting white LED, is the principle of high-brightness blue wavelength of 445 ~ 475 nm LED excitation YAG yellow phosphor, blue and yellow are complementary use of shade, mixing a high-brightness white light, while the production of white LED; another There the wavelength 430 ~ 350 nm UV excitation of red, green, and blue phosphors to generate white light LED approach.年 2008 LED lights around the proportion of the global lighting market is only about 2%, to 2012, the global market size of the global LED lighting market will reach 4% -5%.
LED to replace CCFL LCD backlight is the trend, coupled with a drastic fall in LED and backlight using fluorescent powder blue + RG approach than in the past to use RGB color white hybrid approach greatly reduces the cost to drive LED TV to grow, according to Displaysearch analysis, 2009 LED LCD TV market penetration of about 3% to over 10% penetration rate in 2010, the future penetration will rise year by year.
2010 Sapphire stock prices caused by the reasons is that the permeability NB, TV, monitor backlight quickly pulled up, and almost all with blue backlight LED plus phosphor grains as white backlight, resulting in blue rising demand for LED applications.
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