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Technology Stocks : OLED Universal Display Corp
OLED 118.94+1.9%Dec 22 3:59 PM EST
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From: I'manoledguy2/25/2025 1:13:53 PM
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February 24, 2025



Hybrid states of light and matter may significantly enhance OLED brightness by University of Turku

Overview of the study and enhancement maps. Credit: Advanced Optical Materials (2025). DOI: 10.1002/adom.202403046


Researchers developed a theoretical model that predicts a substantial increase in the brightness of organic light-emitting diodes (OLEDs) by leveraging novel quantum states called polaritons. Integrating polaritons into OLEDs effectively requires the discovery of new materials, making practical implementation an exciting challenge.

phys.org

  • Patent number: 12225760
    Abstract: Provided are compounds, formulations comprising compounds, and devices that utilize compounds, where the devices include a substrate, a first electrode, an organic emissive layer comprising an organic emissive material disposed over the first electrode. The device includes an enhancement layer, comprising a plasmonic material exhibiting surface plasmon resonance that non-radiatively couples to the organic emissive material and transfers excited state energy from the organic emissive material to the non-radiative mode of surface plasmon polaritons. The enhancement layer is provided no more than a threshold distance away from the organic emissive layer, where the organic emissive material has a total non-radiative decay rate constant and a total radiative decay rate constant due to the presence of the enhancement layer. At least one of the organic emissive material and the organic emissive layer has a vertical dipole ratio (VDR) value of equal or greater than 0.33.
    Type: Grant
    Filed: March 8, 2024
    Date of Patent: February 11, 2025
    Assignee: Universal Display Corporation
    Inventors: Michael Fusella, Nicholas J. Thompson

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