Q-Pixel Inc. Unveils Revolutionary 6800 PPI Micro-LED Color Display

Los Angeles-based startup Q-Pixel Inc. has recently set a new global standard in the display technology sector by achieving the highest resolution for an active-matrix color display. This innovative display features a resolution of 3K x 1.5K on a screen size that is less than a fingernail, measuring approximately 1.1 cm x 0.6 cm. With an impressive density of 6800 pixels per inch (PPI), Q-Pixel's creation significantly exceeds the pixel density of leading displays in the market, including the Apple Vision Pro, which stands at around 3380 PPI.

Q-Pixel's success is rooted in its use of microLED pixels, a technology that has presented numerous challenges to developers due to its complexity. Unlike the micro-organic LEDs (micro-OLEDs) used in many advanced VR displays, Q-Pixel's product is made entirely of III-V compound microLED pixels. These inorganic materials offer several advantages over OLEDs, such as quicker response times, higher brightness levels, longer lifespans, and improved energy efficiency. The use of III-V microLEDs has long been considered the optimal choice for display technology, yet achieving commercial viability has remained elusive until now.

The primary obstacles in commercializing microLED displays have historically involved the assembly and integration of full-color pixels from individual red, green, and blue (RGB) LEDs. For high-resolution displays that require small pixels (less than 50 um), the process of assembling, testing, and repairing millions of RGB microLED subpixels is not only complex but also costly and labor-intensive. Additionally, the need for three separate RGB subpixels limits the potential pixel density of the display.

Q-Pixel has innovated past these challenges by developing a tunable polychromatic LED (TP-LED) pixel technology. This breakthrough allows for a single pixel to emit light across the entire color spectrum without relying on subpixels, quantum dots, color filters, polarizers, or mechanical stacking. Dr. Michelle Chen, CTO of Q-Pixel, highlighted that this technology not only retains all the benefits of III-V LED technology but also simplifies display assembly, reduces manufacturing costs, and facilitates unprecedented pixel densities.

In May 2023, Q-Pixel unveiled a 5000 PPI full-color microLED display based on their TP-LED technology. They further advanced their record in November 2023 with the announcement of a passive 10,000 PPI microLED display featuring the world's smallest full-color pixels (1 micron diameter). These achievements underscore Q-Pixel's capability to produce ultra-high-resolution active displays using microLED technology and establish their TP-LED pixel technology as superior to more established display technologies like OLEDs.

Q-Pixel's latest advancements have positioned them as leaders in the microLED industry and set the stage for the commercialization of their high-resolution displays. The company's technology and prototype will be featured in an upcoming issue of Compound Semiconductors magazine and showcased at the Society for Information Display's annual symposium and tradeshow, SID Display Week, scheduled for May 14-16, 2024.

For more information about Q-Pixel Inc. and their pioneering display technology, visit their website at www.q-pixels.com or www.quantum-pixel.com.