1. Definition of LED Display
The LED display/screen is a flat led panel/screen/cabinet, composed of little LED modules which display text, photos, movies, video signals Grayscale, and other info. LED, light-emitting Diode (brief for the light emitting diode).The LED display is a Horizontal panel display, composed of small LED modules that exhibit text, images, movie, picture signals Grayscale, along with other information.
Definitions of LED Display in different languages and countries
LED display, LED screen, LED Video Wall, LED wall Pantalla LED, painters de LED, Affichage LED, LED versioning, Ekran LED, LED ???, ???? LED, LED ?????, LED ekran?, LED partial, святлодыёдны дысплей, LED ????????, LED Ekran, etc.
Also called: led video wall, led screen, led panel, led cabinet, led wall, led screen, led billboard, led sign, led advertising board, digital led wall, led video panels, video display, electric signs, led digital signage, digital display screen.
2. Classification of LED Display
LED display screens are classified in an Assortment of ways and are usually categorized as follows: by the usage environment; by Color; by the control system; by function; by the application.
(1) Divided by the usage environment.
The indoor LED screen is used from the indoor environment. This sort of led screen has medium brightness, large viewing angle in both horizontal & vertical (140-160 degree normally), intimate color mixing space, lightweight(single panel less than 10kg) and higher density. Indoor led screen normally has IP20 waterproof level, no need glue on the module surface to prevent heavy weather. It's acceptable for closer viewing, applying into the meeting room, airport/subway, church, etc.
The outdoor led screen area is usually by a couple of m2s to tens of thousands or perhaps hundreds of 2therefore, the point density is comparatively thin (greater than 2500-10000 Pixels per m2), the brightness of this lighting is 5500-8500cd/m2 (different parameters, different brightness demands), at sunlight under direct shooting requirements, the viewing distance is a few tens of meters apart, outdoor led screen has IP65 waterproof level, it uses glue to prevent great wind, rain, and other heavy weather. It's acceptable for long distance viewing, applying into the outdoor music festival, live Olympic games, football games, highway billboard, etc.
The semi-outdoor led display is between the outdoor and indoor led display. It's a top luminous brightness and may be used outdoors under direct sunshine. The display has a particular seal, typically below the eaves or from the window. It applies to the wedding ceremony, marathon opening ceremony, etc.
(2) Divided by Color
A monochrome display is able to display only a single color, often green, amber, red or white, and often also shades of that color.
The double main colour LED screen contains green and red LED lights. The 256-level grey dual-color screen can display 65,536 colors (two-color display can display red, green, and yellow colors).
The full-color LED screen is made up of red, blue and green(RGB) LED lights that show white balance along with 16,777,216 colours.
