Success with new augmented reality technology reduces pixel pitch to less than five microns

Extending its expertise in high-brightness microdisplay technology for augmented-reality and other applications, Leti will demonstrate the world’s first WVGA GaN microdisplay with 10-micron pixel pitch during Display Week. The 10-micron pixel pitch technology will help address the growing demand for augmented-reality glasses for consumer and professional users, head-up displays for vehicle drivers and for pico projectors and other compact projectors. This prototype microdisplay, based on a self-emissive GaN-based technology, shows the highest resolution with smallest pixel pitch (10µm) ever presented. Patterning high-density microLED arrays and hybridizing them on a CMOS circuit, using Leti’s micro-tube technology, enabled Leti to achieve this performance. “With this result, Leti’s technology has reached an important milestone,” said François Templier, project manager. “We will continue to work towards a 5-micron pixel pitch and, beyond that, on a new technology that will take GaN LED microdisplays to less than a 5-micron pixel pitch.” Display Week, Los Angeles, May 21-26