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LED Knowledge Corner

Find the most frequently asked questions on the VIsual World LED products and LED technology here for your convenience. Do you have any special questions? Contact our support team directly. 

What are the differences between a COB LED display and a SMD LED display?

For customers who want to buy LED screens, understanding the difference between COB (chip on board) and SMD...

What is the difference between LED, LCD and OLED display?

LED (Light Emitting Diode) display screen is a display device composed of an array of light-emitting diodes...

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