From June 26-28, the 2024 Shanghai International Automotive Lighting Exhibition (ALE) was held at the Kunshan Huaqiao International Expo Center. Numerous companies showcased their latest Micro LED headlights and in-car display products.
Micro LED Headlights
Ams OSRAM presented its EVIYOS 2.0 high-pixel projection headlight, featuring 25,600 individually controllable Micro LEDs with a pixel pitch of 40 microns. This enables fully adaptive dynamic headlight operation and image projection, and the product has already entered mass production.
HC SEMITEK, in partnership with BOE, debuted a Micro LED ADB matrix pixel headlight module. Leveraging Micro LED technology, this module offers precise pixel control and flexible beam adjustment without the need for a DLP projection module. The CMOS-controlled circuit delivers high-definition imaging at the light source level, significantly enhancing the performance of adaptive headlights.
NATIONSTAR exhibited its Micro LED pixelated headlights, integrating micron-scale blue LED chip arrays onto CMOS control circuits through bonding technology. The light source features more than 40,000 LED units with a pixel pitch of 40 microns, enabling high-resolution image projection.
LITEON introduced an advanced Micro LED headlight module and ultra-high-power LED intelligent light source. Equipped with a megapixel digital microscopy technology, it supports dynamic and customizable designs and applications, capable of projecting icons, text, and other information clearly onto the ground.
ChipFoundation showcased a Micro LED pixel car light chip capable of projecting at a high standard over a distance of 10 meters, delivering high brightness and clarity.
Micro LED Automotive Displays
Seoul Semiconductor displayed a Micro LED display utilizing its WICOP Pixel technology, with a pixel pitch of 0.625mm and a pixel density of 40 ppi, incorporating 54,000 LEDs and achieving a brightness of 1,000 nits.
Macroblock demonstrated a Micro LED electronic rearview mirror in the smart cockpit section. The mirror uses the MBI5780Q common cathode driver chip and relocates the side mirrors to the vehicle’s interior, reducing drag and consequently improving fuel efficiency. The display offers high brightness to combat glare, along with fine image quality and 16-bit grayscale.
Lextar Electronics exhibited a Micro LED transparent display with 65% transparency, suitable for heads-up displays, vehicle windows, and sunroofs. With a brightness of 2,000 nits, it can provide real-time road condition information and entertainment options based on the needs of drivers and passengers.
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