News tagged with electroluminescence
Liquid-OLED Offers More Light-Emitting Possibilities
Aug 14, 2009 |
4.8 / 5 (17) |
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(PhysOrg.com) -- As organic light-emitting diodes (OLEDs) are poised to go mainstream in the near future, scientists continue to explore new twists on the technology. Recently, researchers have fabricated ...
Quantum dots as midinfrared emitters
Feb 23, 2009 |
4.1 / 5 (10) |
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(PhysOrg.com) -- “People are interested in the mid-infrared,” Dan Wasserman tells PhysOrg.com. Infrared light has a wavelength longer than visible light, and many molecules have numerous very strong optical resonances in the ...
Search results for electroluminescence
Electroluminescence from Electrolyte-Gated Carbon Nanotube Field-Effect Transistors
Sep 08, 2009 |
5 / 5 (2) |
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Field-effect transistors (FETs) based on single-walled carbon nanotubes (SWNTs) exhibit a range of optoelectronic effects including near-infrared electroluminescence.
Reverse current sheds new light on solar cells
Feb 16, 2009 |
4.7 / 5 (10) |
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(PhysOrg.com) -- The electric breakthrough of solar cells cannot be ascribed to the surface preparation as has now been demonstrated by physicists at the University of Leipzig and the company Q-Cells SE in ...
Researchers Control the Spin of Semiconductor Quantum Dot Shell States
Feb 05, 2009 |
5 / 5 (3) |
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Scientists at the Naval Research Laboratory (NRL) have recently demonstrated the ability to control the spin population of the individual quantum shell states of self-assembled indium arsenide (InAs) quantum ...
NRL scientists demonstrate efficient electrical spin injection into silicon
Jul 16, 2007 |
4.5 / 5 (16) |
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Scientists at the Naval Research Laboratory (NRL) have efficiently injected a current of spin-polarized electrons from a ferromagnetic metal contact into silicon, producing a large electron spin polarization ...
Switchable two-color light source on a silicon chip
May 22, 2007 |
3.6 / 5 (11) |
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Silicon is the most important material for electronic chips and processors. Yet it has a big drawback: being a so-called indirect semiconductor, it hardly emits any light. Therefore worldwide efforts in the ...
Solar cells make OLEDS luminous enough for mobile devices
May 03, 2007 |
4.5 / 5 (80) |
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Organic light-emitting diodes (OLEDs) offer an alternative to conventional electronic displays (such as LCDs) and have advantages generally including wide viewing angles, rapid response and thin shapes. However, ...
Nano scientists to develop next-generation LEDs
Nanotechnology / Nanomaterials
Mar 19, 2007 |
4.2 / 5 (42) |
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Nanotechnology may unlock the secret for creating highly efficient next-generation LED lighting systems, and exploring its potential is the aim of several projects centered at Oak Ridge National Laboratory.
Light-emitting transistor uses light to transfer an electrical signal
Nov 01, 2006 |
4.5 / 5 (107) |
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In one of the early discoveries of the current "silicon electrophotonics era," scientists from Hitachi, Ltd. in Tokyo have built a light-emitting transistor (LET) that transfers, detects and controls an electrical ...
Organic semiconductors make cheap, flexible photovoltaics and LEDs
Sep 07, 2006 |
4.4 / 5 (76) |
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Imagine T-shirts that light up, or a beach umbrella that collects solar energy to run a portable TV. How about really cheap solar collectors for the roof? All this and more could come from cutting-edge research ...
Next Generation Light Source
Nov 23, 2005 |
4.7 / 5 (14) |
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The Technische Universität Dresden partakes in one of the world’s largest projects on the development of innovative organic light-emitting diodes (OLEDs). Scientists at the Institute of Applied Photophysics have been developing ...
List of search results for electroluminescence
