Control method and device for very large-display screen composed of LEDs

Application Number: 00105052
Application Date: 2000.04.11
Publication Number: 1317775
Publication Date: 2001.10.17
Priority Information:
International: G09G3/32
Applicant(s) Name: Shi Zhicheng
Inventor(s) Name: Shi Zhicheng;Shi Ningli
Patent Agency Code: 14105
Patent Agent: li yigui
Abstract A control method and device for very large display screen composed of energy-saving lamp tubes is disclosed. Said device is composed of DVD, computer, signal processing and controlling unit, single-colour or three-colour lamp tube group, and single (or dual)-phase dual-channel power supply controller. It can be used for large-area public places. Its advantages are high brightness, adjustable light and colour, high resolution and luminous efficiency and saving energy.