Why do most THT-EX lights use COB light sources?
COB LED (Chip-On-Board) is a new technology with many advantages, such as high brightness, better luminous efficiency, high heat...
New Product【AC in LED Bulb Light】uses COB Light Source.
What's the difference between AC in LED Bulb Light(COB light source) and Conventional Bulb Light? √ Excellent lighting efficiency √ Less...
