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Oleds

All articles tagged with #oleds

technology2 years ago

Advancements in PHOLED Technology: Revolutionizing Displays and Efficiency

The Department of Energy is funding researchers who have made a breakthrough in phosphorescent organic light-emitting diodes (PHOLEDs), which could allow TV makers to use a true blue color and significantly reduce energy consumption. Currently, OLEDs are the state-of-the-art technology for image projection, but PHOLEDs offer higher quantum efficiency and potential energy savings of up to 30%. The main challenge has been the limited lifetime of PHOLEDs, but the researchers claim to have developed a technology that can maintain 90% of blue light intensity for a longer period. The new quantum state called a plasmon-exciton-polariton (PEP) allows for efficient and long-lasting blue PHOLEDs, potentially leading to improved picture quality and battery life in devices.

science-and-technology2 years ago

"Molecular Additive Boosts Efficiency of Next-Gen LEDs, but Reduces Lifespan"

Researchers at the Max Planck Institute have developed a new molecule structure that enhances the efficiency of blue OLEDs by eliminating the negative effects of impurities. By arranging the molecules in a spiral formation, the electron-conducting core is shielded from impurities, allowing for faster and obstacle-free electron transport. This breakthrough could simplify the design and production process of blue OLEDs, leading to advancements in OLED technology.

technology2 years ago

"Smartphone screens and organic LEDs used to map magnetic fields with quantum sensitivity"

Researchers from the ARC Centre of Excellence in Exciton Science have developed a chip-scale approach that uses organic light-emitting diodes (OLEDs) to image magnetic fields, potentially turning smartphones into portable quantum sensors. By integrating an OLED with a microwave resonator, each individual pixel of the OLED screen can act as a small magnetic field sensor. The technology has significant implications for use in healthcare and industry settings, such as finding defects in construction materials or as a biomedical sensor.