led_luminous_efficiency_有道手机词典

1.In recent years, there is a large improvement on the luminous efficiency of LEDs. However, there are some problems in LED ESD protection.
近年来，氮化镓基led在发光效率上有很大的进展，不过在静电防护上却还有很大的改善空间。
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2.As compared with traditional packaging method, the coating method with phosphors away from the LED chip can improve the luminous efficiency by more than 5%.
与传统封装方法相比，采用荧光粉远离芯片的封装方法可使发光效率提高5%左右。
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3.As one of the most promising light sources, white LED has many advantages, such as high luminous efficiency, high luminous intensity, long life period etc.
在强调节能减排的今天，白光LED因为具有发光强度大，效率高，体积小等优点而被视为最具潜力的光源之一。
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