In this newsletter, you can learn about the following technologies. We will have the opportunity to download the full slides.
NanoPattern Technologies | Efficiency, resolution, and gamut tradeoffs of varied microLED architectures
UC Santa Barbara | Developments in High-Efficiency Ultra-Small Micro-LEDs Based on III-V Nitrides
Toray Engineering | Total Solutions for Mass Production of Micro LED Display
Q-Pixel | Tunable-Polychromatic LEDs for a paradigm shift in microLED displays
Saphlux | NPQD Color Converted Micro-LED
To learn more about MicroLED, please join MicroLED Connect.
MicroLED Connect is the world’s first MicroLED Conference and Exhibition taking place on 25 & 26 September 2024 at the High Tech Campus in Eindhoven, Netherlands. Explore the preliminary agenda here.
1. Efficiency, resolution, and gamut trade-offs of varied microLED architectures
NanoPattern Technologies | November 2023
Here you can learn about the following key points:
Max EQE Current vs Pixel Size based on literature review for red, green, and blue MicroLEDs showcasing the red microLED challenge
AlInGaP red and InGaN blue efficiency
QD-MicroLED as a solution and EQE vs. Pixel Size and color gamut with and without QDs
Role of photodegradable ligands and NanoPattern's patented chemistry.
Optical density
Patterning
2. Developments in High-Efficiency Ultra-Small Micro-LEDs Based on III-V Nitrides
UC Santa Barbara | November 2022
Here you can learn about the following key points:
Material choices for red, green, and blue (EQE vs Wavelength of different material system)
EQE of red AlGaInP at small sizes
Sidewall damage
uLED Design in GaN LEDs
ALD to supress leakage
Red InGaN MicroLED Design, Cross-section and EL vs Wavelength
Results for packaged microLEDs
Temperature stability
Self-aligned structures for microLED lift-off (process steps)
3. Total Solutions for Mass Production of Micro LED Display
Toray Engineering | November 2023
Here you can learn about the following key points:
From traditional to microLEDs
Key challenges of microLED production including handling, repair and image discoloration
Solutions including Trim & Transfer + Pick & Place as well as Laser Transfer + Carrier Bonding
Results on bonding process
Selective laser repair and transfer including process and results
Roadmap including G4.5 machine development as well as efficient 2nd repair process
4. Tunable-Polychromatic LEDs for a paradigm shift in microLED displays
Q-Pixel | November 2023
Here you can learn about the following key points:
Assembly challenge
Tunable polychromatic LED (TP-LED)
TP-LED and TP-LED Transfer
(2016) World's first monolithic full color LED
5000 PPI pixel with TP-LED
1000 PPI with TP-LED with 1 micron pixels (world record @ Nov 2023)
5. NPQD Color Converted Micro-LED
Saphlux | November 2022
Here you can learn about the following key points:
QD-MicroLED
NPQD Process on Nano Porous GaN
Results (efficiency, color gamut, intensity vs wavelength, stability at various current levels, etc)
RGB integration on NPQD wafer
Integration on microLED or CMOS based full display scalable to 12inch
Results and detailed benchmarking vs other solutions
