Exchange 220v LED lamp, have high luminous efficiency, long, green and was already widely used gas-masks advantages, lighting and residential areas, schools, hospitals, public lighting.
交流220vLED防爆灯，有发光效率高、奉命长、绿色环保等优点，已广泛用危险区照明及住宅小区、学校、医院、公共场所照明。
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。
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。
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。
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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