A comprehensive understanding of the characteristics of LED display, is to choose cost-effective LED display, and other large-screen terminal display compared to LED display mainly has the following characteristics.
A, high brightness: outdoor LED display brightness greater than 8000mcd / m2, is currently the only day in the use of large-scale outdoor display terminal; indoor LED display brightness greater than 2000md / m2.
B, long life: LED life of up to 100,000 hours (ten years) or more, the parameters generally refer to the design life, the brightness is also dark;
C, large viewing angle: indoor viewing angle can be greater than 160 degrees, outdoor viewing angle can be greater than 120 degrees. The size of the viewing angle depends on the shape of the LED light-emitting diode.
D, the screen area can be small or small, less than a square meter, large up to several hundred, thousands of square meters;
E, easy to interface with the computer, support software rich.
F, common large display terminal comparison
Screen type
| Advantage
| Disadvantages
|
TV wall
| Full color, large area
| The screen has a low degree of separation can not be used in outdoor, color difference, high cost
|
PDP
| Full color, fine picture
| Area is small, low brightness, short life
|
Projector
| Full color, fine picture
| Low brightness can not be used in the outdoors, the screen is uneven light |