Porotech in Cambridge is planning to show the world’s first “all-in-one” full-colour display of microLED pixels.
The company has developed porous gallium nitride (GaN) material that allows a single microLED diode to produce all colours, moving away from the RGB (red-green-blue) sub-pixel model that is used by current commercial displays.
The DynamicPixelTuning (DPT) technology allows a modulated current to be used to emit visible light covering the entire colour spectrum on a single microLED chip. Among the colours it can emit a DPT microLED is able to achieve a world first by emitting pure white colour from a single pixel.
The public debut of DPT is planned for CES 2023 in Las Vegas in January, where Porotech will be showing a 0.26 inch DPT microdisplay with a <5 micrometre full colour pixel.
“The world’s first full colour and all-in-one microLED display is a monumental achievement by Porotech. Mass-produced microLEDs will be pivotal for the future of displays, particularly the emerging AR and VR spaces. Our technology has solved a fundamental technical and engineering problem facing microLED display quality, manufacturability, and—most importantly—system integration,” said Dr Tongtong Zhu, Porotech’s CEO and Co-Founder.
- Dynamic pixel tuning supports monolithic microLED display
- Porotech raises $20m for microLED production
- Porotech in key porous GaN microLED partnership
By removing the need for RGB sub-pixels, DPT allows a microLED-driven display to increase overall pixel density fourfold. As a result, DPT can produce substantial gains in resolution, brightness and efficiency for every type of display. This is of particular interest for small form factor displays that demand high resolutions, such as AR and VR displays, as well as wearable tech.
According to a market report from Grand View Research, the global AR market size in 2021 sat at $25.33 billion and is expected to grow by 40.9% a year from 2022 to 2030.
“This doesn’t just herald widespread adoption of consumer-grade MR, VR, and AR. In fact, DPT also offers radical improvements in TV, signage, and smart wearables in both consumer and professional contexts. By allowing pixels to move beyond RGB and quadrupling the resolution of any given display, DPT is set to unlock new uses for displays in every segment of society,” said Zhu.
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