It’s known that LED is a semiconductor diode that emits light when an electric current is applied in the forward direction of the device, as in the simple LED circuit.

Recently, five large billboards, each measuring 4m high by 3m tall, have been installed at Barcelona airport by Sakma, a local manufacturer. The billboards use an array of LEDs, rather than fluorescent lamps, to achieve uniform lighting with much lower operating costs.

It’s disclosed that BetaLED’s revolutionary LEDway™ streetlights are part of a pilot program with the City of Raleigh in partnership with Progress Energy that expands energy-efficient technology to customers and communities.

It’s reported that Cadillac has introduced the first car sold here to use an all-LED headlight system. Hella, a German lighting supplier that developed the system, recently showed off the new headlights at a demonstration for journalists at General Motors' GM Proving Grounds. Siegfried Hetz, senior product engineer for Hella, pointed out that there are several advantages to the LED headlights:

It’s reported that Philips Lumileds' latest white-light technology advancements and high-volume manufacturing of power LEDs are driving new developments in consumer electronics and illumination applications, ranging camera phones to refrigeration to task and indoor and outdoor area lighting.

Recently, PowerSecure International, Inc. announced that Walgreens will purchase the Company’s state-of-the-art green EfficientLights LED lighting technology for refrigerated cases installed in the majority of their new store openings in 2009.

Recently, Taiwan display maker Chi Mei EL unveiled its 25-inch screen that's less than a millimeter thick at the FPD International exhibition in Japan on Wednesday. The new screen is based on the emerging OLED technology and attracted a steady stream of show attendees who snapped pictures of the screen or who peered around the edge to take a look at just how thin it is.

It’s reported that Officials with Raleigh and Progress Energy are testing nine energy-efficient streetlights downtown to determine how well they withstand extreme heat, cold and rain. The last of the nine experimental lamps was installed Tuesday in front of Progress' downtown office tower on Davie Street. If the lights live up to their promise, they could take a significant bite out of Raleigh's $5.3 million annual streetlight bill.

Though in 2008 the penetration rate of LED NB is lower than expected, but in order to make their notebooks lighter, thinner and more energy-saving, many big branded manufacturers speed up to bring LED backlight into their NB. LEDinside projects the penetration rate of LED NB will be as high as 60.3% in 2010. The progress of LED backlight ‘s application on NB is slower than expected

Light bulbs and fluorescent tubes are far away from the optimal efficiency, while OLED can offer new perspectives for novel large area light sources for display and lighting applications. Such displays are increasingly applied to mobile telephones, digital cameras, or pocket computers. In future these small light miracles will play an important role for TV screens and for lighting.

Recently, Advanced Analogic Technologies, Inc. (AnalogicTech(TM)), a developer of power management integrated circuits, announced the AAT3104 and AAT3195, two new 4-channel, charge pump-based LED drivers for larger LCD screens in reduced feature set cell phones and portable systems. Available in compact 2 x 2.1mm packages, the devices offer designers 16-step, 32-step or PWM current control in a space-saving footprint.

The LITMS technology of Liquidleds® win the gold medal award of Country in 2008 The high power LED illumination faces a lot of technological challenges at present, LED industry, in order to solve the difficult problem of this field, develop a lot of different methods and solve and include key problems such as heat dissipation, Light Shape, luminance, product  life and cost ,etc..

It’s reported that Para Light Electronics Co., Ltd., a leading Taiwanese LED packager, won a contract to supply LED emitters to a leading auxiliary-lighting manufacturer in the United States, which sells lighting products to major retailers stateside.

Recently, LED lighting startup AHA LED of Taiwan opened its flagship shop in Taipei to build global marketing in light of the huge market potential of LED lighting. The company has reportedly landed US$72 million of orders from South Africa for LED lighting for roads and streets.

Recently, Eastman Kodak Company, a pioneer in OLED technology, announced the introduction of a highly efficient OLED material that will enable low-power, full-color displays with outstanding lifetimes.

OSRAM have undertaken outstanding projects that demonstrates the wide range of colours available, their versatility, their compact size and ease of installation given to architects, designers and installers. All this offers freedom to devise completely new lighting solutions, some of which can be incredibly creative and dramatic. Below are four examples of outstanding LED projects.  1. OSRAM LED sculpture welcomes visitors to London Heathrow's Terminal 5

It’s reported that Osram introduced the Kreios™ family of LED modules to the entertainment lighting industry at LDI 2008.

It’s reported that Nittoh Kogaku KK exhibited an LED light source module for use in low-power advertising signage as a reference at Kogen (light source) 2008, an exhibition that took place at Pacifico Yokohama from Oct 22 to 24, 2008.

Cree Inc. has announced revenue of $140.4M for its fiscal 1Q09, ended September 28, 2008. This represents a 24% increase over revenue of $113.4M in 1Q08 and a 3% increase over 4Q08 revenue.

It’s reported that Dialight is moving European production from its engineering and business development base in York, UK, to its manufacturing facility in Newmarket, UK, starting October 28. It’s disclosed that the move is in response to the continuing worldwide growth in demand for high quality LED lighting products. This growth has been accompanied by customer demand for higher levels of quality assurance and third party approvals such as UL, ENEC and ATEX.

Recently, Littelfuse Inc. has introduced the PLED 6 series, an open LED protector that provides a switching electronic shunt path when a single LED in an LED array fails as an open circuit. This ensures that the entire array of LEDs will continue to function even if a single LED in the array does not.  

It’s reported that Progress Energy and the city of Raleigh would complete the installation of LED streetlights downtown as part of a test of the lighting technology.

The residential zone, "Azabu no Oka," is located in Miyoshicho, Aichi Prefecture, Japan, and developed by Toyota Smile Life Inc. The roads and pathways in the zone, which has 204 housing plots, will be illuminated by LED lamps. It will take some time before the entire subdivision is completed, but LED lamps have been used since the start of the project.

IESNA's 27th annual Street and Area Lighting Conference (SALC) held this year in Denver on October 12th through 15th. It’s reported that the event broke previous records for attendance with over 500 people present.

It’a reported that Lighting Science (LSG), a global developer and integrator of intelligent and efficient LED solutions, and the ACO Group, the worldwide leader in water drain systems and intelligent water drainage, announced the global availability of the ACO Eyeleds solution for illuminating outdoor spaces.

Recently, Cree, Inc., a market leader in LED lighting, announces the release of its new-generation high-brightness 4-mm and 5-mm oval LEDs in blue, green and red. These new oval LEDs feature optically-matched radiation patterns in blue, green and red, resulting in superior image quality for digital billboard and full-color sign applications.

Recently, Spectronics Corporation has unveiled the powerful Spectroline® OPTIMAX(TM) 365 - a cordless, rechargeable true UV-A (365 nm) LED flashlight ideal for industrial leak detection. When used in conjunction with Spectroline® fluorescent fluid dyes, it is easy to pinpoint leaks in hydraulic systems, lubrication systems, pipelines, condensers, water storage tanks and much more.  

It's disclosed that fewer than 12 months after the introduction of GE’s exclusive Vio™ High-Power White LED, five lighting fixture manufacturers are marketing and selling commercial and residential fixtures that incorporate the violet-based, chip-on-board LED package from Lumination, LLC, GE Consumer & Industrial’s LED business.

Recently, ROHM Electronics announces the availability of the BD8113EFV-E2, a white LED driver IC designed to provide constant current drive for white LED backlights in medium- to large-format automotive TFT-LCD displays.

It’s reported that the new LED Engineering Kit from OSRAM Opto Semiconductors is a powerful tool for anyone who wants to test LEDs with various accessories and applications while gaining practical knowledge of LED lighting.