2008-03-03

Paint LED Art With Philips' Giant Light Canvas

Visitors at Mercy Medical Center in Rogers, Arkansas, will have a bright canvas to paint on: a 14 foot-long interactive LED wall installed by Philips Electronics as a gift to the new hospital.Named the "Imagination Light Canvas," the display has 1,420 touch-sensitive pixel elements, letting visitors finger-paint with light. Images persist for a few minutes, and six people can play simultaneously.    
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2008-03-03

Student wins $30K for LED work

Martin Schubert, a doctoral student at Rensselaer Polytechnic Institute in Troy, N.Y., has won the $30,000 Lemelson-Rensselaer Prize for his work on light-emitting diodes, or LEDs. Schubert developed a new, polarized type of LED that could allow their widespread use as light sources for liquid-crystal displays in televisions, computers, cell phones and other devices.
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2008-03-03

An LED that can shine for 80 years on a single charge

How long do you expect your flashlight to last without needing a recharge? A few hours, perhaps? How about 80 years, how does that sound? Because that's just how long newly developed micro LEDs can last on just a single charge.
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2008-03-03

Panel socket mounting LED indicator from Aerospace & Defence Products

423 series from Aerospace & Defence Products is a 9.5mm panel socket mounting LED indicator. The precision black moulded housing greatly emphasises the mechanical stability and supports the high intensity LED element in a range of colours and voltages. 423 series indicator has been fitted with a coloured diffused dome fresnel lens assembly to provide good wide angle viewing. Smoked and water clear lens options are also available.
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2008-03-03

Boston's Old North Church installs LED lighting

The Old North Church, a beacon for Paul Revere's famous warning of the movement of British forces, and a symbol of the American Revolution, has gone high-tech with the installation of light-emitting diodes, or LEDs. The energy-efficient lights illuminate ceiling vaults inside the church, whose steeple was used to display two lanterns as a signal about British troop movements on April 18, 1775 — the night described in Henry Wadsworth Longfellow's famous poem, which included the line: "One if by land, and two if by sea."
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2008-02-28

LED introduced in Swaziland

LIGHT emitting diode (LED) has been introduced to Swaziland by the WorldWide Energy Savers (WES) Pty Ltd. WES is a company based in South Africa known as WESLITE development. LED is a semi conductor device that emits incoherent narrow-spectrum light when electrically biased in the forward direction of the p-n junction.This was said by WES Director Mario Travaglini at a presentation held yesterday at Timbali lodge.
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2008-02-28

Upgrade LED and Light Source Characterization Capabilities with New Packages from Labsphere

Labsphere Inc.,  a world leader in the design and manufacturer of light measurement solutions, has released new packages for LED and light source characterization to satisfy a wide range of light test needs.
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2008-02-28

LED revolution in Railways

Railways will install LED boards on trains, at railway stations and parking lots for disseminating information to passengers. Announcing these measures in the Railway budget on Tuesday, Lalu Prasad said his Ministry has decided to install online coach indication display boards on over night mail and express trains by March 2009.
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2008-02-27

Patent Recognizes Architecture for Driving High-Brightness LEDs

Spotlight on Digital PowerCatalyst Semiconductor has received a patent for a stepdown switching regulator circuit architecture applicable for driving high-brightness LEDs. The patent, titled "LED current bias control using step-down regulator" (patent number 7,323,828), was developed to simplify the design of high-brightness LED lighting in emerging household, commercial and automotive lighting applications.
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2008-02-27

Tianjin Economic Development Area Becomes Cree's First LED City in China

Cree has announced that Tiajin Economic Development Area (TEDA) has joined its LED City program. TEDA and Tianjin Polytechnic University are collaborating with Cree to introduce LED lighting initiative in mainland China. Cree has previously taken the LED City program to Raleigh, North Carolina USA, Toronto, Canada, Ann Arbor, Michigan, and Austin, Texas. The LED City program is an international initiative to promote and deploy energy-efficient LED (light-emitting diode) lighting.
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2008-02-27

Osram teams with Abacus in LED lighting venture

Abacus has teamed up with LED lighting specialist Osram to create a distribution business division to address the solid state lighting market.Called AbacusLED, the venture will market the Osram range of discrete LEDs and LED lighting systems together with electronic driver and thermal management technologies.It will carry other distribution lines including Everlight, Texas Instruments, National Semiconductor, ST Microelectronics, Power Integrations, 3M and Aavid Thermalloy.
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2008-02-27

The Wave Interactive LED Coffee Table by Ami Kealoha

A real godsend for those of us in need of constant visual stimulus, the Oakland-based group Because We Can has devised a way to interact with your coffee table. The "Design-Build studio" teamed up with the tech whizzes from Evil Mad Scientist Laboratories to create an LED Coffee Table dubbed The Wave. They fitted the table with 480 bright LED lights, along with 32 near infrared optical sensors. The result is a surface that reacts to any motion by following it with a cascade of glowing light.
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2008-02-26

Sound-Activated LED Spotlights

Mount these battery-operated lights along a stairwell, in a closet, outside your side door…wherever you need some light but don't need the hassle of electrical work.  Loud or sharp sound will turn the four bright LED lights on; they'll turn off automatically 10 seconds after last sound heard. Manual on/off option. Pivoting bracket directs the light where you need it. Weather-resistant for outdoor use.
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2008-02-26

Dancing LED on the ceiling

Superclub Noxx has used 300m2 of Chroma-Q Color Web 125 to provide a stunning LED video ceiling in its main dance room.Noxx's founders wanted to create some unique, cutting-edge visual effects for the 2000-capacity venue and turned to Luc Peumans of digital lighting specialists Painting with Light.The biggest challenge involved specifying an LED video surface to cover the entire ceiling of the large, asymmetrical main dance room.
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2008-02-26

Mitsubishi Chemical acquiring near-UV LED business of Mitsubishi Cable

Mitsubishi Chemical Corp, a unit of Mitsubishi Chemical Holdings Corp, of Tokyo, Japan has agreed to acquire the near-ultraviolet LED business of Mitsubishi Cable Industries Ltd (including the facilities and the technology to produce the chips) at the end of March for ¥1.5bn (about $13.9m), reports Nikkei Net. The Mitsubishi Cable near-UV LED manufacturing operations in Amagasaki, Hyogo Prefecture will be moved to Mitsubishi Chemical’s facilities in Ushiku, Ibaraki Prefecture.
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2008-02-26

OKI Printing Solutions' Groundbreaking LED Technology is Recognized in Japanese Industry Award

On Mon, 25 Feb 2008, OKI Printing Solutions announced that its revolutionary Epi Film Bonding (EFB) technology has been awarded the most prestigious New Machinery Promotion Award by the Minister of Economy, Trade and Industry (METI) in Japan. EFB has been specifically designed to support OKI Printing Solutions' unique LED printheads. EFB provides an enhancement to the existing LED technology and it reaffirms the company’s position as an innovator and pioneer for adopting LED technology for printers. Benefits of EFB technology:
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2008-02-26

The Luminous Intensity of LEDs

1. Luminance Units1) The unit of Illuminance: Lux (lx)2) The unit of Luminous Flux: Lumen (lm)3) The unit of Luminous Intensity: Candela (cd)The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 ×1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian.The energy density striking an object is given in lumens per square meter, generally known as lux.
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2008-02-25

Network Powered Ethernet LED Display Saves 75% in Energy Costs

Recently named "PoE-Powered Device of the Month" by industry experts, Inova Solutions' OnAlertTM appliance supports mass notifications that save lives and reduce risks during natural disasters and other emergency situations.
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2008-02-25

The Benefits of LED Lighting

For now, LED light fixtures are substantially more expensive than their glass competitors. But LED lighting brings significant advantages that Ruud Lighting executives think will steadily steer the industry toward LED — and toward Ruud.Those advantages include:A Energy savings. LEDs are about 50 percent more efficient than high-pressure sodium or metal halide, 35 percent more than fluorescent and 80 percent more than incandescent, said Christopher Ruud, executive vice president for national accounts at Ruud Lighting.
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2008-02-25

LED Maker AlbEO Lights Up $1.5M

When revelers watched the Times Square New Year's Eve ball drop in New York City on December 31, few would have realized that light-emitting diodes, the light bulbs festooned to the ball, would one day bring light to their homes and offices. LEDs have become popular recently for more than just electronics. They're used in traffic signals and automotive lighting, and now some enterprising startups have turned their gaze indoors.
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2008-02-25

Flashing High Powered LEDs

Whever attention needs to be gained, it’s normal practice to flash LEDs. In addition to attracting the eye, flashing LEDs also considerably drops battery consumption.
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2008-02-22

Martin Takes LED Luminaires to Retail Trade Show

Martin will be taking a wide range of indoor and outdoor color changing luminaires and color control systems to what some consider the world's most important retail trade show.
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2008-02-22

Coolon patents technology for LED Strips

LED stripCoolon  has designed and patented a technology that allows for a seamless and uninterrupted connection of LED strips into a single continuous strip. The manufacturing of continuous LED strips has presented various technical problems such as the size limitations of PCBs, processing and assembly equipment, etc., and transportation to the distribution or installation site.
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2008-02-21

Cree to acquire LED Lighting Fixtures

Cree has signed a definitive agreement to acquire privately held LED Lighting Fixtures (LLF) in a cash and stock transaction valued at approximately $77 million, plus up to an additional $26.4 million over a three-year period.
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2008-02-21

Gravity powers LED lamp

A lamp that uses gravity to power light emitting diodes (LEDs) has been given a green award.The Gravia lamp designed by Virginia Tech student Clay Moulton earned second place in the Greener Gadgets Design Competition.Electricity to power the 10 high-output LEDs is generated by a weight that spins a rotor as it falls to earth.The weight is housed in an acrylic column, with the LEDs at its base shining through the acrylic to provide a diffuse glow.
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2008-02-21

Persistence pays off for blue LED researcher

Shuji Nakamura is the man who discovered the blue light emitting diodes (LEDs) used in the newest DVD players.Later research by Nakamura led to white LEDs, which may eventually replace much of the world''s lighting.His work earned him the 2006 Millennium Technology Award, the tech world equivalent of the Nobel Prize.In 1989, Nakamura was virtually alone in his work on LEDs when his supervisor at Nichia Chemical Industries in Japan suggested he quit because his research wasn''t going anywhere.
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