MicroLED and AR/VR Insights: Perovskite QDs, micro-dispensed interconnects, GaN-on-Si, OLED vs MicroLEDs, nanoimprinted waveguides, and more
- venessa50
- Aug 8
- 2 min read
Updated: Aug 29
In this newsletter we cover the following
How can the LED industry adapt to the needs of microLED displays?
Are microLEDs really more efficient than OLED displays?
And how will vertically-stacked LEDs increase performance?
Nanoimprinting waveguides for AR Displays?
Can perovskite QDs be used as color conversion in microLED displays?
Microdispensing in microLED interconnect production?
We cover these points by sharing short (1min or so) handpicked snippets from their live recent talks at TechBlick and MicroLED Connect conferences and exhibitions
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How can the LED industry adapt to the needs of microLED displays?
The LED industry is not optimized for producing microLED for display applications. What kind of changes will the industry adopt in order to mass produce low-cost and high-performance microLED chips?
In September 2024, during our flagship 2024 MicroLED Connect event, ALLOS Semiconductor explained the required manufacturing systems for successful microLED production, and gave an introduction to the company's GaN-On-Silicon 300 mm production technology and expertise.
Are microLEDs really more efficient than OLED displays?
And how will vertically-stacked LEDs increase performance?
In September 2024, during MicroLED Connect's flagship event in Eindhoven, UCSB's Prof. DenBaars presented the latest state-of-the-art LED research results, detailed the lab's work on tunnel-junction technology that enables single-chip full color solutions, and explained why native red microLEDs are still a big challenge.
Nanoimprinting waveguides for AR Displays?
Wave guides are one of the key components in AR devices, and these components need to be produced in a cost-effective method that still maintains high performance.
In December 2024, during our Display Innovation Day, Eindhoven-based SCIL Nanoimprint Solutions detailed their stamp-based system for waveguide imprinting, and shows how its customers are using it to either directly imprint the slanted gratings for an enhanced efficiency or to imprint an etch mask and then transfer the etch mask into high refractive index layers that are deposited on glass.
Can perovskite QDs be used as color conversin in microLED displays?
Perovskite quantum dots are highly promising materials, with excellent potential in display applications, especially for color conversion in microLED displays.
In December 2024, during our Display Innovation Day, CEA Leti's Prof. François Templier presented the latest research results, including their ability to achieve densities of 1 micron or even less, thanks to the perovskite materials.
Microdispensing in microLED interconnect production?
Tiled microLED displays usually use electrodes deposited on the edges of the tiles, as these need to connect seamlessly.
In December 2024, during our Display Innovation Day, XTPL presented their solution for high-performance Edge-Type conductive interconnect deposition. Here 10um wide lines with 15um spacing using highly conductive and dense silver paste is printed directly around the edges connecting the front and back
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