[Increasing knowledge] Revealing the secret of the light that allows car lights to

When driving at night, a luminous turning arrow suddenly appears on the road ahead, accurately guiding the curve trajectory; in front of the zebra crossing, the car lights project an eye-catching warning area to remind pedestrians to go first; when meeting cars on a narrow road, a clear light blanket outlines the safety boundary... These smart travel scenes full of technology are gradually entering real life.

In March this year, at the 21st Shanghai International Automotive Lighting Exhibition (ALE), Nationstar Optoelectronics, a listed company controlled by Guangsheng Holding Group, exhibited its 10,000-pixel digital Micro LED light source module, which attracted many domestic and foreign merchants to stop and watch.

▲At the ALE exhibition, international car lighting merchants learned about the development of Nationstar Optoelectronics' Micro LED light source modules

A light source module only the size of a fingernail can accurately project turning lane prompts, dynamic zebra crossings and other sign images on the wall, providing safety warnings for vehicles and pedestrians, demonstrating the application potential of Micro LED technology in the field of intelligent car lighting interaction.

From "illumination" to "light language"

With the advancement of automobile intelligence, car lights are evolving from basic functional components that "illuminate the road" to "intelligent terminals" that enable creative interaction.

The 10,000-pixel digital Micro LED light source module developed by Nationstar Optoelectronics is the core component that helps smart car lights achieve personalized interactive "light language expression". The working principle of the module is as follows:

High-density light source

The module is composed of 40,000 micron-level Micro LED light-emitting chips with a pixel pitch of 40 microns, providing a light source basis for high-resolution image display.

Precision drive control

By using high-precision eutectic technology, micron-level LED chips are bonded to the drive module, making each chip an independently controllable pixel. The system accurately controls these 40,000 pixels to achieve accurate display of various traffic signal patterns and safety function signs.

Efficient optical projection

The module is only 0.61 inches in size but can output 2500 lumens of luminous flux. Based on high-brightness illumination and precise pixel-level light control, the light output by the module is amplified and projected by a precision lens group, ultimately forming a clear and bright projection pattern on the road.

▲The 10,000-pixel Micro LED digital car light module developed by Nationstar Optoelectronics

A "domestic solution" towards industrialization

At present, the core light source technology of digital car lights is still dominated by foreign companies, but Chinese companies have shown strong catching-up momentum at the system integration and terminal application levels.

In recent years, Nationstar Optoelectronics has continued to accelerate the layout of automotive LED products and has formed a full vehicle lighting and display product matrix covering automotive interior LEDs, exterior LEDs, atmosphere LEDs and intelligent interactive display LEDs. A number of automotive LED products have passed AEC-Q102 automotive certification and entered the supply chain system of mainstream car companies.

In the field of digital headlights, Nationstar Optoelectronics is steadily advancing the industrialization process of related technologies based on its long-term accumulation in advanced packaging technology and close collaboration with the upstream and downstream of the industry chain, providing strong LED technology support for the large-scale application of digital headlights.

▲The automotive-grade LED display modules developed by Nationstar Optoelectronics are used in new energy vehicle interaction scenarios

In the next step, Nationstar Optoelectronics will continue to strengthen technological innovation, optimize product matrix, deepen industrial chain collaboration, and empower the high-quality development of the smart car industry.