User:Winson qi/sandbox

THE ADVENTURE OF LED LIGHTS IS COMING

With the development of the tech ,people's life become more and more healthy ,more and more attention has been paid to the environment around us. Led light with the good function of energy saving and environment protection has become very popular in worldwide. Compared with the traditional filament lamp and energy saving lights ,it can save more .the same luminance ,it is the tenth of filament and the third of the energy saving lights. The main content of the filament lamp was tungsten wire ,when charged with the electricity ,it was heated to 2500 centigrade soon ,then it will radiate the light. The light will be impact by the voltage ,if the voltage was too low ,the light become weak ; when the voltage beyond 220V,the light will be damaged .it 's really really not a good choice. The energy saving light was better than the filament lamp ,it is more light and can save more energy .but almost all this kind of lights was injceted of a kind of gas ,it may be harmful to human body and the environment ,it will be weed out in the furture. Led was made of chip,when the connected to the current ,PN junction will work ,then it will light .cause to this character it can work up to 100000 hours ,it means you don't need to replace the lights for nearly 17 years ,what's more ,it can protcet our eyes from being harmed by the light .most of person need the help of glasses to see the things clearly ,who's responsibility ? the traditional filament lamp .The light of of filament lamp and energy saving lights was not natural ,when looking at them ,you may become uncomfortable. we call this phenomenon "glare".but the led light has solve all this problem .when select lights ,it really your best choice. It can be made for all shapes ,which you want ,which we can.