source:other news release time:2023-03-09 Hits: Popular:led screen wholesaler
The quality of the full -color LED display can be identified from the following aspects:
1. Flatness.
The surface flatness of the LED display should be within ± 1mm to ensure that the display image is not distorted. Local protrusions or concave feed will cause the dead angle of the display screen. The quality of the flatness is mainly determined by the production process.
2. Product design.
There are many types of full -color LED display, and there are all products such as outdoor outdoor energy conservation and highlighting, highlighting, highlighting portable and other products. All walks of life have different requirements for LED displays. Therefore To gather their own needs, whether the manufacturer LED display product can meet their own needs to the greatest extent.
3. Color reduction.
The color reduction of color refers to the reduction of the LED display to color. The color displayed by the LED display screen should be highly consistent with the color of the playback source, so as to ensure the real sense of the image.
4. White balance effect.
The white balance effect is one of the most important indicators of the LED display. The proportion of three primary colors of red, green and blue in color is 1: 4.6: 0.16, and pure white will be displayed. If the actual proportions are a bit deviation, the bonding of white balance will appear. Generally, pay attention to whether the white is blue, yellowish yellow, and the yellowish yellow is yellow. Green phenomenon. The quality of white balance is mainly determined by the control system of the LED display, and the reduction of the lamp beads on color also affects the color.
5. Brightness and visual angle.
The brightness of the indoor full color screen is above 800cd/m2, and the brightness of the outdoor full color screen must be above 1500cd/m2 to ensure the normal work of the display, otherwise the image displayed by the brightness is too low. The size of the brightness is mainly determined by the quality of LED lamp beads.
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