LED Screen

Offer Details

Offer Type:
Offer Group:	High Power LED wash Lighting
Offer Post Time:	2009-12-01
Expiration Date:	2010-07-13
Details:	P40 LED Indoor Video Screen 625 dots LED Screen led display Indoor Full Color Video Screen PH40, controlled strictly on the raw and processed materials. On the point of choosing LED chip and lamp, we put the coherence of parameter in the first place. The brightness level has been controlled in the 100mcd. The wavelength has been controlled in the range of 5 mm. LED red, blue, green color lamps have perfectly arranged in a pixel group with the level of White Balance. A) On the point of circuit design, it is driven by constant current so that it can be reduced transient current and have more stable colors. In a sense, LED lamp also has longer life. B) On the point of control hardware system, the data was got from DVI digital interface of computer, then changed into signal that will transfer to the unit panel of LED video screen through Lan cable. Each panel will control certain amount of LED pixel points. Be sure of enough Lan cable to deal with signal form PC to screen, the parameter of screen should get some levels, say refresh rate reach to 380HZ and grey level get to 4096 Level. C) On the point of controlling software system, there are VJ system developed for stage, AVS sound controlling software and video play system specialized for entertainment places and LED Big screen display software used for public advertisings and public information announcement.