What are the classification standards for LED display screens

Time:2018-10-17 Views:281

How is the LED screen classified, you know?Let me introduce you to deroncel (www.gqqw.com.cn).

I. features of intelligent and functional LED displays: intelligent LED displays do not need to be connected to the computer host at ordinary times. The LED display has a built-in CPU, which can save multiple pictures when power is off and can run independently from the computer host.Some screens and clock chips can automatically display the date and time.When the display content needs to be modified, it can be modified by connecting the microcomputer through the rs-232 interface.Full-function LED screens must be connected to the main computer to work;Intelligent LED display screens are usually less displayed, such as pull-up, pop-up, up-roll and down-roll.The full-function display screen can be displayed in various ways. If the program is produced by professional software, it can be displayed in infinite ways.The operation of intelligent LED display is simple, while the full-function LED display shall be operated and maintained by a special person. If animation program is to be produced, special knowledge is needed.

Indoor, outdoor and semi-outdoor LED display screens: indoor LED display screens generally range from less than 1 square meter to more than 10 square meters, point density is higher, direct sunlight or ambient lighting, viewing distance is a few meters away, the screen body does not have sealing waterproof capacity.The indoor LED display screen is generally dominated by the lattice module, because the display brightness required for indoor use is not high, and the lattice module has a high price.The outdoor LED display screen usually ranges from several meters to several tens or even hundreds of square meters with a relatively sparse point density of 1,000-4000 points per square meter and a luminescence brightness of 3,000-6000cd/square meter. It has different orientations and brightness requirements.The semi-outdoor LED display screen is between the indoor and outdoor with high brightness and can be used outdoors in sunlight. The screen body is sealed, usually on the roof or window.

LED display screens of three, one, two and three colors: the single-color LED display screen refers to the luminous material with only one color, mostly single red;The dual-color LED display screen is generally composed of red and yellow-green luminous materials.The three-color LED display is divided into full-color and full-color display. Full-color is composed of red, green and blue, while true color is composed of red, pure green and blue.