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How To Adjust The Full Color LED Display?

How To Adjust The Full Color LED Display?

Publish Time : Dec 19 2008

In recent years, the full color LED display screen with excellent brightness and color performance, and free of flat-fell seam image of integrity, more and more get the favor of the market. However, also appeared in some cities due to the high brightness LED display to affect the surrounding residents living, transportation, etc. How to adjust the brightness of the LED display and color? Here I share a few tips.

1. The wavelength selection
LED display has a very wide application in all walks of life, and wavelength of LED in the application of different places have different requirements, LED wavelength selection for some of them are in order to obtain a good visual effect, some of them are in order to comply with the habits of people, and some is the industry standard, national standard, and even the rules of the international standard. In full color LED display, for example, green tube wavelength.

How to adjust the full color LED display


2. Brightness adjustment
Pulse width modulation is more suitable for digital control, which has been widely used, the most common method is to adopt microcomputer. Now almost all of the LED display is adopted PWM to control the grey scale.

3. The common LED tube allows continuous mission at around 20 ma current, the current through the LED by changing, besides red LEDs have saturation phenomenon, the rest of the LED brightness essentially proportional to the flow of current.

How to adjust the full color LED display

With the promulgation of the industry standard and testing means complete, many manufacturers began to standardize the full-color matching process. But there are some manufacturers because of the lack of color theory instruction, often at the expense of some primary grey scale to allocate the color coordinates, comprehensive performance cannot be improved.

4. Color adjustment
LED display screen is to install HD principle of three primary colors of light. Determine one red, green, and blue color as a benchmark is mainly according to the selection of product the brightness of the red, green, and blue color is different, generally as brightness benchmark is one of the low brightness scales, when the benchmark a has reached the maximum brightness, for double color LED display is the need to adjust a different color, for full-color LED display, the color of the two other LED light can be adjusted.

For further information, you can contact sales@ledful.com or you can go back to www.ledful.com


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