For the performance of the LED display, the higher the fidelity, the better the performance of the display.

The quality of fidelity is mainly determined by the two indicators that express the image's contrast and color (the greater the contrast, the better, and the more color types the better).

Contrast refers to the measurement of different brightness levels between the brightest white and the darkest black in the bright and dark areas of an image. The larger the difference range, the greater the contrast.

The smaller the difference range, the smaller the contrast. High contrast makes it easier to display vivid and rich colors, and supports all levels of colors.

For example, an LED display has a brightness of 500cd/m2 in the fully white state and 0.5cd/m2 in the fully black state.

In this way, the contrast ratio of the screen is 1000:1, and the current LED display using black crystal devices can increase the contrast ratio by 40%.

Contrast has a very critical influence on visual effects. Generally speaking, the greater the contrast, the clearer and more eye-catching the image, and the brighter and brighter the color;

However, if the contrast is small, the whole picture will be grayed out (as shown in the picture above). High contrast is very helpful for image clarity, detail performance, and gray level performance.

In some text displays and video displays with large black-and-white contrast, high-contrast LED displays have advantages in black-and-white contrast, clarity, and integrity.

Contrast has a greater impact on the dynamic video display effect. Because the light-dark transition in the dynamic image is faster, the higher the contrast, the easier it is for human eyes to distinguish such a conversion process.

Therefore, the entire display surface of the display screen made of black lights can present images with uniform color, full of vitality and deeper colors.

;——The non-reflective color is more real

In addition to bringing high contrast, the black light also brings another better performance, that is, non-reflective.

Because the PPA bracket in the black LED lamp bead is black, because black does not reflect light, that is, it has no reflective ability.

Therefore, the light shining on the black object is converted into other energy (such as heat), so even when there is stray light, the black PPA bracket will absorb it all.

The stray light is no longer reflected, thereby reducing the interference of the stray light, making the color more real, and there will be no cross-color, smearing and mutual interference of each color, making the color more pure, clear, and more vivid.

Especially the LED stage background screen, due to the many colors of the projection lights in the stage environment, the light and shadow are interlaced, which will seriously affect the display effect of the LED stage background screen.

In addition to the fact that the black lamp itself does not reflect light, the manufacturer also uses surface fogging technology to diffuse the light.

The LED display with black crystal can still clearly see the image on the display in a stage environment with serious reflections.

Due to the above-mentioned characteristics of the black crystal LED lamp beads, it is possible to avoid the mutual interference of the light emitted by the various light sources on the stage.

Thereby, the black screen effect of the LED display is increased and is not affected by the brightness of the external environment. The LED display made of black lights can always keep the brightness and darkness of the display screen clear and clear.

Every product has its own era. Under the requirements of small pitch and high-definition, the LED display field is undoubtedly the era of black lights.