'Spintronic' LED invented: New technology promises brighter TV, computer...
University of Utah physicists invented a new "spintronic" organic light-emitting diode or OLED that promises to be brighter, cheaper and more environmentally friendly than the kinds of LEDs now used in...
View ArticleOrganic electronics—a hot matter
Organic semi-conductors could revolutionise electronics in various areas. Nowadays, components put out such high performances that they are used in small devices like mobile phones. With larger...
View ArticlePEDOT:PSS: Improving thermoelectric materials that convert heat to...
Thermoelectric materials can be used to turn waste heat into electricity or to provide refrigeration without any liquid coolants, and a research team from the University of Michigan has found a way to...
View ArticleQuantum dot LED approaches theoretical maximum efficiency
(Phys.org) —Quantum dot LEDs (QLEDs) are a promising technology for creating large-area displays that could have applications for TVs, cell phones, and digital cameras. So far, however, the highest...
View ArticleToward a truly white organic LED: Physicists develop polymer with tunable colors
By inserting platinum atoms into an organic semiconductor, University of Utah physicists were able to "tune" the plastic-like polymer to emit light of different colors – a step toward more efficient,...
View ArticleNanotechnology leads to better, cheaper LEDs for phones and lighting
Princeton University researchers have developed a new method to increase the brightness, efficiency and clarity of LEDs, which are widely used on smartphones and portable electronics as well as...
View ArticleLight-emitting fork made with sprayed LEC technology
Light-emitting electrochemical cells, LEC, is a newly invented lighting technology. In his thesis, physicist Amir Asadpoordarvish, Umeå University, shows how a LEC can be produced through spraying...
View ArticleScientists Fabricate Organic Transistor with Improved Performance
(PhysOrg.com) -- Organic semiconductors are promising building blocks for many devices, from LEDs to transistors, offering potential advantages such as cost-effectiveness, flexibility, and high...
View ArticleSony optimistic on 3-D TVs, in-house display
(AP) -- A third to a half of the Sony Corp. TV sets sold annually will be packed with 3-D features by the year ending March 2013, a senior executive said Thursday.
View ArticleQuantum-dot LED screens may soon rival OLEDs and LCDs
(PhysOrg.com) -- A partnership has been formed between US, South Korean and Belgian companies to develop quantum-dot light emitting diode (QLED) displays to rival the organic light emitting diode...
View ArticleLED bulbs hit 100 watts as federal ban looms
Two leading makers of lighting products are showcasing LED bulbs that are bright enough to replace energy-guzzling 100-watt light bulbs set to disappear from stores in January.
View ArticleManufacturing method paves way for commercially viable quantum dot-based LEDs
University of Florida researchers may help resolve the public debate over America's future light source of choice: Edison's incandescent bulb or the more energy efficient compact fluorescent lamp. It...
View ArticleWagon-wheel pasta shape for better LED: 'Rotelle' molecules depolarize light...
One problem in developing more efficient organic LED light bulbs and displays for TVs and phones is that much of the light is polarized in one direction and thus trapped within the light-emitting...
View ArticleGraphene quantum dot LEDs
The first graphene quantum dot light-emitting diodes (GQD-LEDs), fabricated by using high-quantum-yield graphene quantum dots through graphite intercalation compounds, exhibit luminance in excess of...
View ArticleA new design for an easily fabricated, flexible and wearable white-light LED
Researchers from National Chiao Tung University, Taiwan have created highly flexible, efficient white LEDs with potential use in wearable displays and non-flat surfaces, such as curved and flexible...
View ArticleLowering the cost and environmental footprint of white LEDs
Replacing traditional light bulbs with light-emitting diodes (LEDs) could take a significant bite out of global energy consumption. But making white LEDs isn't completely benign or budget friendly. To...
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