The most important part of LED display screens - lamp beads

LED display screens are now everywhere. They are colorful and bright, adding a lot of color to our lives. But have you ever wondered what these LED display screens are made of? Today, let's talk about the important components of LED display screens - lamp beads.

One of the core components of LED display screens is lamp beads, which are mostly in the shape of cubes or cuboids and have a variety of specifications, such as 3535, 3528, 2727, 2121, 1921, 1820, 1515, 1212, 1010, 0707, etc. These lamp beads are made with the help of mature packaging technology. Specifically, the chip is placed in a metal bracket, and then glue is injected and dried. The light-emitting surface is generally single-front light, and the lamp pins can be directly soldered on a PCB circuit board with a soldering surface.

LED lamp beads have various specifications and models to adapt to different application scenarios. In the field of indoor LED SMD, common lamp bead specifications are 1010, 1515, 2121, etc. In outdoor applications, common models include 1921, 2727, 3535, etc. These numbers represent the size of the LED light-emitting components. Taking 1010 as an example, it means that the length of the LED component is 1mm and the width is also 1mm.

The metric size of the 2121 lamp bead is 2.1mm×2.1mm, and the industry abbreviation is 2121.

Globally, there are many well-known LED display lamp bead manufacturers, such as Osram in Germany, Cree in the United States, Nichia in Japan, and Everlight Optoelectronics in Taiwan. In China, there are also many excellent manufacturers, such as Shenzhen Zhaochi Optoelectronics, Wuhan Huacan Optoelectronics, Foshan Nationstar Optoelectronics, Shenzhen Jingtai Optoelectronics, Suzhou Dongshan Precision, Zhongshan Mulinsen, etc.

Surface-mount LED lamp beads are widely used in outdoor and indoor applications due to their regular structure, adjustable metal brackets, and diverse types. Whether it is outdoor P13.33, P10, P8 and other spacing, or indoor P1.875, P1.667, P1.53, P1.25 and other small spacing applications, surface-mounted LED lamp beads can meet the needs.

The development prospects of LED display module lamp beads are showing a positive trend. Driven by multiple factors such as technological progress, market demand growth and policy support, the performance of module lamp beads will continue to improve and the application field will continue to expand. In the future, we have reason to believe that LED display module lamp beads will play an important role in more fields and bring people a more colorful visual experience.

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