直管LEDライトの品質を知る6つの方法
When you are sourcing led strip light from China.Led strip light is well know as lighting material. It is used widely use in home, hotel, office and all around us.Led quality is very important to led strip light lifespan. Then we have 6 ways to compare the LED Quality. 1. LED Bin If the color temperature and Voltage bin are same in every order, then the quality and color consistency will get better. 2,LED CRI Now led CRI have CRI>60,CRI>80,CRI>90. The higher CRI ,the color will more real … 続きを読む