Most of the LED display beads used in the past were white lights, mainly used on outdoor led display. In recent years, in addition to white, black LED packaging devices (black led lamp beads) have increasingly appeared on the market, especially in the fields of small pitch indoor LED display and stage background of led display screens. What is the reason why choosing the black led lamp beads? What are the advantages of black led lamp beads?
What does "white led lamp beads" in a white light mean—— High brightness suitable for long-distance viewing
To understand black led lamp beads LED display screen, one must first understand the concept of white led lamp beads of led display. LED is assembled from a plastic bracket and a chip. In the early days, due to the low brightness of the chip, engineers made the plastic bracket into a white bowl shape to enhance focusing and reflection, ensuring that the chip with low brightness achieved a brighter effect. But white light also has its drawbacks. When it comes to representing black and gray, its light-emitting diode color (white) also participates in the color that the electronic display screen wants to express, resulting in color distortion (unable to represent black, gray, dark green, etc.).Engineers compensate for the insufficient brightness of chips by sacrificing color expression.
Previously, LED display screen were mostly used for outdoor commercial advertising display. Due to the long viewing distance, there were high requirements for the brightness of the display screen, and it was acceptable to compensate for the loss of color to make up for the brightness. However, now that the brightness of LED light is increasing and high-density small pitch LED displays are becoming more mature, LED beads no longer need to be made white to achieve satisfactory results. At the same time, in order to meet people's requirements for image realism and improve the contrast of LED displays, Our have taken the black led lamp beads process to the extreme and developed the black lamp beads that can provide the blackest level of products in the market.
What does' black led lamp beads 'in a black light mean—— High contrast displays richer colors
For the performance of LED displays, the higher the grayscale, the better the performance of the display. Grayscale refers to the measurement of different brightness levels between the brightest white and darkest black in the light and dark areas of an image. The larger the difference range, the greater the contrast, and the smaller the difference range, the smaller the grayscale. High grayscale is easier to display vivid and rich colors, and can support colors of various levels.
The impact of grayscale on visual effects is crucial. Generally speaking, the larger the grayscale, the clearer and more eye-catching the image, and the more vivid and colorful the colors are; If the grayscale is small, it will make the entire picture appear grayish. High grayscale is of great help in enhancing the clarity, detail representation, and layering of images. In some text and video displays with high contrast between black and white, high grayscale LED displays have advantages in terms of contrast, clarity, and completeness. Grayscale has a greater impact on the display effect of dynamic videos, as the transition between brightness and darkness in dynamic images is relatively fast. The higher the grayscale, the easier it is for the human eye to distinguish such a transition process.
Therefore, on a led display screen made of black lamp beads, the entire display surface can present images with uniform colors, vitality, and deeper colors.
What does the 'black led lamp beads' of a black light mean—— Non reflective colors are more realistic
Black led lamp beads not only bring high contrast, but also another higher quality performance, which is non reflective. Because the PPA bracket in the black LED lamp bead is black, black does not reflect light, which means it has no reflective ability. Therefore, when light shines on a black object, it is converted into other energy (such as heat). Even when there is stray light, the black PPA bracket will absorb it completely and no longer reflect it, thereby reducing the interference of stray light and making the color more realistic. There will be no cross color, trailing, or interference between different colors, making the color more pure, clear, and realistic.
Especially for LED stage background rental led display and other led display, due to the numerous colors of projection lights and the interweaving of light and shadow in the stage environment, it will seriously affect the display effect of LED stage background screens. In addition to the fact that the black light itself does not reflect light, through surface atomization treatment technology, the light is diffusely reflected, so that LED displays using black crystals can still clearly see the images on the display screen in highly reflective stage environments. Due to the above characteristics of black led lamp beads, it can avoid interference between various light sources on stage, thereby increasing the black screen effect of LED display screens and not being affected by external environmental brightness. LED display screens made of black led lamp beads can always maintain clear and bright color levels of the displayed image.
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