Small spacing LED screen of the disadvantages
· The viewing distance can not be too close
LED screen each pixel contains red, green, blue three primary colors LED light unit, if the close view, or can see the black gap between the screen. In addition, led large screen is a small LED unit stitching, close to watch the words can also see the physical patchwork between the unit, thus affecting the viewing experience. To sum up, close to watch the big screen will give a distance can be far away from the feeling of Yan Yan Yan.
Large screen installation time and effort
By a lot of LED LCD splicing unit stitching, compared to the laser projector, led large screen splicing up time and effort, the technical requirements for stitching is also more demanding.
· Easy to maintain easy to spend the screen
led large screen each LED lamp beads brightness attenuation of different, which will lead to led screen screen display color is inconsistent, there Huaping phenomenon. Not only that, LED screen any color LED lights damage will affect the overall visual effects of the display, if the bulb, then it will be very difficult to repair, by changing the LED screen unit, it will increase the cost of large-screen led maintenance.

