A common mistake of LED display purchasing

A, life 100000 hours

Issued by the manufacturer of LED material technical data show that the service life of LED light for 100000 hours under the ideal state. Ideal refers to in the condition of laboratory zhongheng pressure constant current LED light from light to full light, 100000 hours (11 years.

How much a bucket of water is determined by the lowest board, led display the current use of civilian grades of other components, the service life of not more than eight years. As the function of display is to watch, when the screen lit only at night to see clearly is unable to say when it is qualified, has the use value.

A car can drive 15 years, if the idle for 3 years the scrap. The environment and method of using a great influence on the life of the product.

Second, comply with the national standard

Led display general specification for the 1995 ministerial standard. There are many companies so far Claims to meet the national standards, after 8 years in the development of science and technology take a look at the time of the standard, is not the standard. Say is out of control point, the national standard for three over ten thousand to phi 3.75 indoor double colors display screen as an example. Standard 640 x480 resolution display do you usually do for 7 square meters, per square meter of 43264 points, according to the national standard can have 90 out of control points. Such display in who will pay for today.

All three, software for free

A common display industry - production not only research and development of Chinese enterprises. At present, only a few companies have licensed software. Now it is illegal to use pirated.

Fourth, price is low

To see whether the price performance ratio rather than price.

Five, the grey scale

As the double colors and full color display gray level is an important indicator. Currently on the market is filled with many levels 16 and 64 grayscale display as gray level 256. Its control costs only 1/5 of the 256 grey level control. The simplest way is to play a more intense stadium the VCD view the led display screen can see clear.

Six, want to buy will be the best

All purchasing power from need, satisfy the needs and has certain advance. Blind pursuit will waste a lot of money to buy the function that they don't need.