QustomDot and MICLEDI Announce Joint Development Program for Polychromatic microLEDs via Color Conversion

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QustomDot, a color conversion developer for microLED displays and MICLEDI Microdisplays, a leading developer of microLED displays for Augmented Reality (AR) glasses, announced a joint development program to demonstrate a full-color microLED integration in polychromatic pixel arrays. The new technology addresses the growing demand of compact and energy-efficient microdisplays for AR applications. MICLEDI is a spin-off of IMEC, a world-leading research and innovation hub in nanoelectronics and digital technologies.

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New developments, such as this project, are supported by Flanders Innovation and Entrepreneurship (VLAIO). The Flanders-based consortium enables development of technology for microdisplays with high-resolution and high-brightness, combining:

• Stable, RoHS-compliant Quantum Dot (QD) color conversion materials
• New microLED architecture tailored for high-efficiency color conversion
• High-throughput QD transfer and patterning techniques on micron-sized pixels

“New QD materials for color conversion are a game changer. Our patented method for producing RoHS-compliant QDs deliver high-quality and stable materials. This makes them effective for microLED applications, which will accelerate product development in this untapped market,” said Willem Walravens, CTO QustomDot.

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“Polychromatic arrays are an important development for microLED products. The manufacturing precision of MICLEDI’s 300mm microLED approach is a perfect enabler for highly efficient color conversion. Our new pixel architecture has been optimized for high aperture (>60% aperture at a 3 µm pixel pitch) which is a key requisite to achieve a high brightness with quantum dots,” said Dr. Soeren Steudel, MICLEDI CTO.

“We are pleased to support the new microLED developments with IMEC’s extensive technology background and know-how in the field of high-resolution patterning and transfer. We will continue moving the state-of-the-art in pixel resolution, uniformity, and process throughput,” said Professor Geert Van Steenberge, R&D Team Leader at IMEC-UGent.

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