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light emitters News
Copper-Based Material Could Lead to Inexpensive, High-Yield OLEDs
VILLIGEN, Switzerland, May 5, 2020 — At the Paul Scherrer Institute (PSI), researchers have discovered a green luminescent substance that could enable OLEDs to deliver high light yields inexpensively and on a large scale. Many of the materials that have been considered for OLEDs...
Researchers Remove Obstruction to Single-Photon Emission in Quantum Dots
BOCHUM, Germany, Sept. 13, 2019 — Quantum dots (QDs) are an efficient interface between matter and light and could potentially form the basis of quantum communications. However, their signal can be obstructed by structures that form by default during their manufacture. Researchers...
Tunable MoS2 Light Emitters Make Better Chips
CAMBRIDGE, Mass., Sept. 23, 2014 — MoS2-based light emitters have the potential to help create powerful, yet energy efficient optoelectronic chips. A team at MIT has developed a new theoretical framework for building optoelectronic chips using MoS2 (molybdenum disulfide) as light...
Pulse Rate, Pressure and Heart-Condition Monitoring Glasses (US 7376238)
Nov 1, 2008 — A pair of health glasses powered by a battery and solar cell has been invented to monitor the heart’s vital signs. LEDs emit light into a human’s temple, and the cells capture light reflected from the pulsing blood. Embedded circuitry cleans and...
Polarition LEDs Deliver Quantum Efficiency
Jul 1, 2008 — A new generation of light emitters based on hybrid half-light, half-matter quasiparticles called polaritons promises quantum efficiency and ultralow power consumption. The key feature supporting dramatic improvement in device performance is the...
Multicolor LEDs Get a Boost from Quantum Dots
Aug 1, 2005 — Much attention in research communities is focused on generating light using semiconductor nanocrystals, also known as quantum dots. One benefit of this method is that emission color can be controlled simply by changing the size of the dots. An...
(6 results found)
May 2024
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