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Perovskite display materials move to pilot production

Perovskite display materials move to pilot production

Business news |
By Peter Clarke



Helio Display Materials Ltd. (Oxford, England), a startup developing metal-halide perovskite materials for display applications, has announced it is moving to pilot-scale production.

Pilot-scale fabrication of perovskite materials is ramping up at Helio in the 1Q24 to provide the volumes and reproducibility needed to support product development and qualification by customers, the company said.

An expanded facility will also provide a platform for manufacturing process development in advance of the next step up in scale which is planned for 2025, Helio said.

Helio was founded in 2016 as Heliochrome Ltd. by Professor Henry Snaith of Oxford University and Professor Sir Richard Friend of Cambridge University. It is developing metal-halide perovskite materials as alternatives to quantum-dot, OLED and direct band-gap materials for displays in an attempt to create brighter displays that consume less power.

Conversion play

“From micro displays to wall TVs, Helio’s materials have huge potential across the range of display applications,” said Simon Jones, CEO of Helio, in a statement. “Not only do we win on light conversion performance, we need a tenth of the capital to reach volume production than was seen with quantum dots.”

The wavelength of emitted light from perovskite materials can be tuned by chemical composition which is contrast to the quantum dot materials which work by quantum confinement. The perovskite materials can directly produce a wide gamut of colours by optical conversion and so do not require filters and thereby save power. They are are also intrinsically much brighter than OLEDs.

Perovskite materials efficiently convert blue light to red in the red sub-pixel and blue light to green in the green sub-pixel respectively. The incident blue light comes from efficient blue LEDs/microLEDs or a blue OLED layer depending on the display architecture.

Related links and articles:

www.heliodisplaymaterials.com

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