MicroLED Technology: Red MicroLED challenges, Trends in III-Vs for MicroLEDs, Pick & Place, Bonding, Laser Repair and Selective Transfer, Porous GaN, Tunable Polychromatic, and others
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
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
Download Presentation Slides
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)
Download Presentation Slides
|
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
Download Presentation Slides
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)
Download
Presentation Slides
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
Download Presentation Slides
