Indoor/Outdoor LED Display Signs

详情

Our indoor/outdoor RGB full color LeVision LED display is a LED VGA synchronous video frequency display, it can display **6 gray level, *6.7M colors, and *4 bits. The LED display can play NTSC, S-video, graphics, 3D cartoon, text and the video source which users select. The RGB LED indoor/outdoor VGA synchronous video frequency display system is composed of computer, video card, LED control card, long line receiving, transmitting card, scan board, driver board and a led screen. Each pixel in the display is corresponding to one pixel dot on PC control computer screen; there is a one to one correspondence between the pixels on the PC&#***7;s video monitor and the pixels in the LED display. The LED display can show **6 gray levels, *6.7M colors, *4 bits. 1. The video card is a dual purpose video controller. It is a video controller for the PC as well as controlling the RGB chrome signal for the LED display screen use. There are compensation circuits, picture edge enhanced circuit, and it increases the definition and stability of the video signal. 2. The LED control board inside computer is a PCI add in card. It deals with the signal from the video controller card; it makes the correlation between brightness variations with respect to the pixel dot location in the LED display. 3. The scan board inside LED display screen is responsible for receiving the video data from the control computer, to form scan signal of the entire display, color space change, white balance and a series of functions. It is the most important part in LED display. 4. Driver boards are the constant-current source drive components for LED display screen. We also sell single color and bi-color LED displays for both indoor and outdoor applications. We provide installation services with extra fees