What must be paid attention to when designing LED ceiling light and household and industrial LED light

General industrial design problem of LED lamps such as LED ceiling light and other household and industrial LED light which is the same as the traditional lamp must take into account materials, optical efficiency, safety and other issues, about which there has been a lot of writing. But there is a problem should be stressed that is the concept of low-carbon widely publicized now, China set up a low-carbon day for the first time this year,  this is a test for LED ceiling light and other...