Whether it is a desk for parents or a computer for a long time, lighting is an important external factor. In order to protect eye health, the purchase of eye protection is also very important. What kind of lighting conditions are most suitable? What ...
1. From the perspective of the driving scheme, the LED filament power supply is divided into three categories: resistance-capacitance step-down; linear constant current; IC constant current. 2, from the structural point of view, LED filament power su...
For LED lighting fixtures including: solar led street lights, led tunnel lights led street lights, led bulbs, etc., the reliability and working life of the use is the most important. However, the factors affecting the reliability and working life of ...
Solar street lamps include solar cell module batteries, light sources, light poles, solar controllers, etc., and the following issues should be paid attention to in the design. The first is the choice of light source. According to the actual needs of...
First, strictly test the LED raw materials of the solid crystal station 1. Chip: Mainly manifested by solder pad contamination, chip damage, chip cutting size, chip cutting tilt. Precautionary measures: Strictly control the incoming inspection and fi...
LED street lamps are the most widely used outdoor lighting products in China in recent years. Led street lamp power supply is the most important key device in led street lamp, and it is also a bottle for the development of led street lamp. Therefore,...
LED lamp bead refers to the LED package device, which is the product of LED light-emitting chip package. It is the smallest independent component of LED technology used in lighting, backlight and display products. LED packaging is not only required t...
1 Place the semi-finished product or the immersed good lamp on the aging frame and connect it to the corresponding power base according to the input voltage of the product. 2 Turn on the switch of the aging test stand, close the corresponding power s...