P. O. Holtz

Polar Light Technologies AB & Linköping University

  • 12.0.14.2024 Pyramidal LEDs – a novel bottom-up concept for small, bright and efficient light emitters for AR based LED projectors and displays.

    I Martinovic, Polar Light Technologies AB & Linköping University
    S. P. Le, Polar Light Technologies AB & Linköping University
    C. W. Hsu, Polar Light Technologies AB & Linköping University
    L. Rullik, Polar Light Technologies AB
    P. O. Holtz, Polar Light Technologies AB & Linköping University
    Loader Loading...
    EAD Logo Taking too long?

    Reload Reload document
    | Open Open in new tab

    Download [471.07 KB]

  • 6B.3 – Pyramidal MicroLEDs Delivering RGB in the Same Materials System

    I Martinovic, Polar Light Technologies AB & Linköping University
    L. Rullik, Polar Light Technologies AB
    S. P. Le, Polar Light Technologies AB & Linköping University
    A. Vorobiev, Polar Light Technologies AB & Chambers University of Technology
    C. W. Hsu, Polar Light Technologies AB & Linköping University
    P. O. Holtz, Polar Light Technologies AB & Linköping University

    6B.3 Final.2025

    Abstract
    Polar Light Technologies has developed an innovative microLED solution that generates RGB emission within a single material system, achieving a significant leap in microLED technology, especially for micro-projector and display applications. By employing a unique bottom-up approach based on hexagonal GaN pyramids with InGaN quantum wells (QW), microLEDs with dominant emission at 470 nm, 520 nm and 625 nm were demonstrated without the need for separate phosphor or quantum dot color conversion. This integration will not only simplify the future manufacturing process but also enhances the color uniformity and stability throughout a device.