Market research firm NPDDisplaySearch estimates that high-power LED shipments for streetlights, direct-lit backlights, spotlights and other high-brightness applications will have a CAGR of 13% from 2014 to 2017; LED lighting for the agency And the monitor supply and demand quarterly report (QuarterlyLEDLightingandDisplaySupply/DemandReport) and forecast that the demand for high-power LED will increase from 18.5 billion in 2014 to 27 billion in 2017. In 2014, the application of high-power LEDs in streetlights will account for 28% of total high-power LED shipments, followed by TV backlights and spotlights, each accounting for 27, but NPDDisplaySearch predicts that by 2017, street lights will dominate The power LED market has a market share of 41, followed by spotlights (21) and TV backlights (15). NPDDisplaySearchLED analyst Yan Qingwei said: "Although the price of high-power LEDs is higher than the price of small and medium-sized LEDs, in the cost structure of street lamps, LED light sources occupy only a small part of the total cost of street lamps, in order to meet the needs of street lamps. High reliability and performance requirements, most manufacturers will use high-reliability LEDs with better reliability, thus driving the growth of high-power LED shipments. And as energy costs rise, governments in order to achieve energy efficiency High-brightness lighting demand will continue to grow." High-power LED shipments to various lighting devices (unit: million) In order to improve thermal conductivity, high-power LEDs use ceramic substrates instead of the original PPA materials; The effect of humidity on the LEDs replaces the silicone package with glass. Yan Qingwei said: "In the use of high-power LEDs, the management of heat is very important, because it affects the reliability of the product." Zhao Qingwei added: "High-power LED has good sales, and we predict that it will be in general lighting this year. The penetration rate in direct-lit backlights will grow. However, this market will continue to be dominated by several major LED manufacturers, including Philips Lumileds, OSRAM and Cree.
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