As LED display applications continue to grow, people have more to know about LED displays. Since the LED display itself has the characteristics of a customized product, in terms of how to choose a suitable LED product , the end customer generally needs to fully communicate with the sales personnel, and it is possible to formulate a solution to meet the real needs of the customer.
Since the LED display is a highly professional product, non-professional customers generally do not have a basic knowledge of the product. Therefore, it is first necessary to establish a standard that is recognized by everyone. LED display screen is a large information display terminal whose basic function is to display the information source information comprehensively and faithfully to the target audience, including static images, text, dynamic video and even audio. Therefore, this standard is simply saying "it looks good", and the things that people can see are definitely good when people look good. This omits many professional terminology descriptions, and also helps to close the distance with customers and achieve a basic standard of consensus.
But why do some displays "look good" and some display "doesn't look good"? This is because of two key factors that affect the display of the display:
1. Brightness of the display: To display the information correctly in an environment, there must be sufficient brightness to ensure the actual contrast of the image. Therefore, depending on the environment in which the display is used, the display must have a corresponding brightness.
When the display is put into use, the brightness of the LED tube as the light source begins to decay. When the brightness decays to half of the initial brightness, by definition, the life of the display is over. Therefore, the rate of luminance decay is one of the important properties of the display.
2. Consistency of display color: When the primary color is displayed, the brightness and chromaticity of each color are the same. When displaying white, there is no noise. This is the basis for ensuring that the color information of the information source is correctly restored.
In the early days of the display, it should generally be possible to ensure color consistency. With the attenuation of the LED tube during use, due to the individual differences of the semiconductor device itself and the difference in the LED production process, the attenuation curve of each LED tube is different, resulting in the same color of the display screen as the use time increases. Sex is getting worse.
Based on the above two basic evaluation criteria, we can reach a consensus with the customer: one of the important factors in judging the quality of the display screen is the choice of LED tube:
The attenuation rate is low and the attenuation curve is consistent.
To ensure this, first of all, the manufacturer of the LED lamp needs to have an excellent manufacturing process, and secondly, the LED tube is not subjected to static electricity in the entire production process of the display screen.
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