The Misunderstanding of LED Display You Should Know
The LED display life 100000 hours
LED manufacturers technical data showed that LED lights life in the ideal condition is about 100000 hours. Ideal condition refers to under the condition of the laboratory constant voltage and constant current state, LED lights shine the light to completely not shine, the time is 100000 hours or 11 years.
How much water could a barrel store is decided by the lowest board. The LED display current can have no more than eight years life span. As the function of the display screen is watching, when the display screen only can watch clearly at night is not qualified.
A car can drive 15 years, if left unused for 3 years, it will be scrapped. Using environment and method influence the most to the life of the products.
The LED display comply with national standard
The LED display general specification is the 1995 years first-class standard. Many companies still claims to meet the national standards. After the development of science and technology in the eight years to see the standards, it is not the standard at that time. For example the out-of-control point, national standard is for three over ten thousand. to phi 3.75 indoor double colors display screen for example. Generally 640 x480 standard resolution rate screen is 7 square meters, each square meters are 43264 points; according to the national standard it can have 90 out-of-control points. Who will pay the bill for this screen in today?
The all free software of LED display
Display industry generally has the common problems of China’s enterprises–only produce do not develop. Only a few enterprises have the original software. Now use pirate software is illegal.
The LED display at low prices
We should see the price performance rather than just the price.
Gray level
The gray degree of a double colors and full color displays is an important parameter. Now the market is flooded with many 16 levels and 64 level gray screens to pretend to be level 256 gray degrees. The control cost only1/5 of 256 level controls. The simplest approach is to play a more intense stadium VCD to check whether can see clearly on the LED display.
To buy the best
Everything comes from the need, to meet the purchasing power demand and have certain in advance is better. Blind pursue will waste a lot of money to buy the function you do not need.