Firstly,which problems should be clear before make LED display solutions.

1.The requirements of the demand side is a single color or full color LED display.

2.The requirements of the demand side is indoor or outdoor LED display,becauseit related to waterproof and dustproof.

3.The owner required the area and size of LED display,and the displayspecifications is 4:3 or 16:9.

4.Owner required the installation of the LED display is sunny or lightdirection, and this is related to light gray-scale and brightness problems.

5.The LED display viewing distance of the owner required,because thebest line of sight of different pixel pitch and results would be different.

6.the number of owner project budget,the cost of structure account for 18% -20% of the price of LED display and control system.
Second,the factors of the select LED display
1.The request of LED display show contents:the video display-based ortext-based display.
2.LED display with environmental factors:indoor using, or semi-outdoor oroutdoor using.
3.The factor of LED display installation: the relationship of effectivesight and actual field size.If installation space and sight distance islarge,it must install large size LED display.
4.The requirements of LED display: small size LED display recommended toapply high-resolution specifications.