This paper analyzed the principles and working characteristics of High-power LED. The characteristics of LED determine which power driver to use. LED lighting needs constant current driver.

文章分析了大功率LED的原理和工作特性，LED的特性也决定了驱动电源的性能要求，LED照明适合恒流源驱动。

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Shanxi Guangyu Power Co. , Ltd. was founded in 1988, is specialized in high-power LED and LED application products;

山西光宇电源有限公司创建于1988年，是专业从事大功率LED及LED应用产品；

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American-led forces ousted the Taliban from power in late two thousand one, after the terrorist attacks on the United States.

VOA: special.2009.06.15

Billions of dollars in aid have poured into Afghanistan since the U.S.-led invasion in 2001 ousted the Taliban from power.

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They are trying to strike a deal that would see a Conservative-led government take power in Britain.

VOA: standard.2010.05.10

The first gave the Rangers a two-man advantage, and the second short-circuited a New Jersey power play and led to New York's only power-play goal of the game one that made it 4-0 in the third period.

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In 10 hours of daylight charging the unit gathers up to 20 hours worth of battery power for use in the low-power 8 LED mode, or 10 hours of life if used in 16 LED mode.

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TXU, Texas's main power-generator, led the company to abandon eight out of 11 planned coal-fired power stations because the private equity firm concerned, Texas Pacific, wanted to square the environmental movement.

ECONOMIST: Cleaning up