Revolution in the LED

Time:2014/8/29  keywords:led street light


Leds (full name: Light - Emitting Diode, Light Emitting Diode) is a light-emitting semiconductor electronic components.Along with the advance of technology, LED has been widely used in monitors, television lighting decoration and  LED Street Light   illumination, etc.Under the push of the market demand and technological progress, LED has had a glorious history   In 1907, Henry Joseph Round found as an abrasive of silicon carbide crystals (SiC) after electrify may shine.This phenomenon was found after, people began to SiC and Ⅱ - Ⅳ compound semiconductor luminescence phenomena study of minerals.   In 1997, Schlotter and Nakamura has invented the yellow phosphor with blue chip encapsulation into white LED technology.Immediately after a gallium nitride leds, the scientific community and create can produce high strength indium gallium nitrogen of green and blue leds.Super bright blue chip is the core of white LED, in the fluorescent powder on the light emitting chip, and then phosphor by absorb blue light from the chip into white light.Using this technology to produce any visible light.   In September 2003, CREE, Inc., the company demonstrated its new blue leds, efficiency up to 35% under 20 mw.They also created a 65 lm/W (lumens per watt) of white LED products, this is when the brightest white LED in the market.In 2005 they unveiled a prototype of white LED, under the 350 mw, hit a record 70 lm sex efficiency per watt.In 2006, Cree company announced to launch a new cold white LED - "XP. J G, luminous efficiency and brightness are hit a new record, when the drive current of 350 ma, luminous flux of 139 lm, luminous efficiency is 132 lm/W, brightness and photosynthetic efficiency, respectively, compared with the brightest Cree company XR - E LED increased by 37% and 53%, known as" the most bright LED and lighting level with the highest efficiency ".   LED development history has dozens of years, with the deepening of the research of semiconductor luminescence material, LED manufacturing technology progress and the development of new materials and application of all sorts of color of ultra-high brightness LED has made breakthrough progress, both in luminous efficiency and product quality improve the quality, the application of the LED market is becoming more and more widely.As the global led street light increase of market demand, the future led development faces great opportunities, the industry is facing and will continue to more variety, higher brightness, larger application range and lower cost.   About the company: E-Lite Semiconductor, Inc. is a veteran solid-state lighting company specializing in high quality, ultra-bright LED Lighting product design and manufacturing for commercial and industrial applications. As a leading innovator in high performance LED lighting technology, the company has extensive technical expertise in optical design, thermal management, materials compatibility and automated manufacturing processes. All of E-Lite’s LED lighting products are CE and RoHS compliant, UL/ETL certified, and DLC accredited for US and Canadian market. with more information , please visit our website www.elitesemicon.com

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