The same is true from a psychological point of view: it will give people a feeling of depression, and you can't help but think about whether the lamp will fall; Moreover, if the light is not soft enough, hitting the bed will feel like a living room chandelier.
Lamp, light emitting diode, is a solid semiconductor device that can convert electric energy into visible light;
It can directly convert electricity into light;
The heart of LED is a semiconductor chip, one end of which is attached to the bracket, one end is the negative electrode, and the other end is connected to the positive electrode of power supply, so that the whole chip is encapsulated by epoxy resin.