Lynk Labs Inc., the leading supplier of AC LED device, light engine and power supply technology, has been awarded its first U.S. patent for an AC LED drive method and aparatus. The newly awarded patent, U.S. Patent, No. 7,489,086 is entitled “AC light emitting diode and AC LED drive methods and apparatus."

Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new polarization-matched LED. The new type of LED, developed in collaboration with Samsung Electro-Mechanics, exhibits an 18% increase in light output and a 22% increase in wall-plug efficiency, which essentially measures the amount of electricity the LED converts into light.

Philips Lumileds has launched a free online tool that makes it easier for manufacturers of LED-based luminaires to show compliance with ENERGY STAR® standards. The new tool addresses the requirements of the “Chromaticity and Spatial Uniformity” test in the ENERGY STAR® specification for LED lighting that requires the beam of light to appear the same color to the human eye, regardless of which area of the beam the viewer looks at or where they are at in relation to the light source.

Gallium Nitride (GaN), a man-made semiconductor used to make LEDs, emits brilliant light but uses very little electricity. New GaN LED lighting has the potential to make LEDs a household fixture, but high production costs have made GaN lighting too expensive for wide spread use in homes and offices. However the Cambridge University based Centre for Gallium Nitride has developed a new way of making GaN which could produce LEDs for a tenth of current prices.

CRW Tech has developed new architectural lighting fixtures utilizing its innovative LED Projection Lighting System. The LED projection lighting engine produces nearly double the amount of surface light intensity achievable utilizing standard low power LED bulbs.

Bridgelux Inc., a leading supplier of energy-saving LED technology for high-volume, solid-state lighting markets, announced the award of a U.S. patent for its surface mountable chip (SMC) LED design.  

Recently, Taiwan’s Industrial Technology Research Institute (ITRI) introduced two patented LED innovative technologies-AC LED and LED healthcare lighting, which will help Taiwan hone the competitive edge of its LED industry via generating royalty income. Semiconductor devices, as computer chips and LEDs have been designed to work at low current ever since day one due to inherent characteristics, but call for direct-current (DC) transformers to be powered by household AC (alternating current).

At CES 2009 some TV makers showed off their LED LCD TVs including Samsung, LG, Toshiba and so on. LED will be the next light source for flat panel displays in future. For many reasons such as LED light sources allow for lower power consumption; LED is solid state technology and improves ruggedness; LED allows for improved front-screen performance; LED allows for ultra-thin LCD modules, etc. Lower power consumption

TT electronics Optek Technology has integrated four 1W LED die into a single assembly for multi-colour and monochrome solid state lighting and has developed a star-shaped red/green/blue/amber LED assembly with exceptional thermal performance.

Researchers at Rensselaer Polytechnic Institute (RPI) have developed and demonstrated a new type of LED with significantly improved lighting performance and energy efficiency. The researchers worked in collaboration with Samsung Electro-Mechanics to develop the new polarization-matched LED that they say exhibits an 18 percent increase in light output and a 22 percent increase in wall-plug efficiency, which essentially measures the amount of electricity the LED converts into light.

Microsolar Corp. provides a copper-aluminum bonding Service and products. With the state-of-the-art technology called copper-aluminum bonding, Microsolar's LED lamps are allowed to input over 1.5Amp current into a 40milx40mil single chip with over 250 lm brightness.

OQO Inc. of San Francisco unveiled the first computer with a screen of organic light-emitting diodes last week at the International Consumer Electronics show. The company touted this technology would be as the future of both displays and lighting.

Orb Optronix has measured commercially available solid state lighting products (SSL) that exceed risk group category RG-1 blue light hazard limits in the ANSI/IESNA RP-27.3-07 ‘Recommended Practice for Photobiological Safety for Lamps, Risk Group Classification and Labeling’ standard along with IEC 62471:2006. The RG-2 categorization cautions against direct viewing of light sources with the human eye.

Taiwan LED driver IC leading provider Macroblock presents its newly developed MBI5037, a 16-channel constant current LED driver with smart power-saving modes and advanced error detection. MBI5037 is especially designed for long use of LED traffic sign applications with power saving up to 99%.

High Power LED applied for automotive, aviation, decorative lighting, architectural lighting, theme parks, utility plants, street lighting, emergency lighting, safety lighting, industrial lighting, LED sign, Traffic signaling, LED lighting. Focusing on this market trend, Chang-Yu Technology has announced new competitively Sorting & taping machine for high power LED.

As we know, light is so important to plant health, the purchase of grow lights requires a bit of thought and consideration. Fluorescent grow lights are very efficient and cool compared with incandescent bulbs, which are not a particularly good choice because of the heat generated.

Look at the following photo that was shot at Nextreme Thermal Solutions Inc of the US. This is a demonstration in which the heat of a candle flame was converted into electric power to turn on an LED.

It’s reported that University of Florida materials science and engineers have achieved a new record in efficiency of blue organic light-emitting diodes (OLEDs), which is a step forward towards better and efficient lights. Because blue is essential to white light, the advance helps overcome a hurdle to lighting that is much more efficient than compact fluorescents, but can produce high-quality light similar to standard incandescent bulbs.

According to Rensselaer Polytechnic Institute (RPI)’s recent study, the emerging solid-state lighting that replaces incandescent and fluorescent bulbs with LED can reap enormous savings in cost, natural resources and pollution. The firm claims that over the next 10 years, savings of more than $1.8 trillion will eliminate the need to burn almost a billion barrels of oil in power plants that would otherwise produce 10 gigatons in the carbon dioxide emissions.  

Vishay Intertechnology, Inc. has released its first series of high-intensity white power SMD LEDs in the CLCC-2 flat ceramic package to offer InGaN/TAG on sapphire technology.

LEDs are emerging as the hottest choice in illuminating homes and businesses due to their Energy efficient. Now, LEDs are on the verge of a revolution, according to E. Fred Schubert, professor of electrical engineering and physics at Rensselaer Polytechnic Institute New York, there are tremendous opportunities that open up with LED.

It’s reported that Benjamin Damilano and a group of researchers of the CRHEA-CNRS in Valbonne Sophia-Antipolis, France, have created quantum well-based white LEDs.

The EU-funded project ROLLED has succeeded in developing a flexible OLED light source that could make packaging more attractive, among other applications.

Recently, Nuventix, Inc., creator of SynJet® technology cooling solutions, its innovative LED cooling design for lighting giant and Nuventix design partner, Philips wins the Austin Business Journal’s Tech Innovations Award. The Nuventix product is an active thermal management solution utilizing SynJet fanless air cooling technology providing silent operation, long life, and optimal cooling for the Philips Downlight LED Module (DLM) line of products.

It’s reported that European researchers have developed a cost-effective method for manufacturing flexible displays in much the same way that newspapers are printed.

The World Economic Forum has recognized and selected SemiLEDs Corporation as a 2009 Technology Pioneer. SemiLEDs is the world first company that mass produces High Power Light Emitting Diode (HPLED) on flexible Copper alloy base in large volumes at high brightness efficiency (>100lumens/watt), reliability and low cost, which makes the solid-state lighting (SSL) becoming possible for the mass: bringing low cost SSL to the unlighted areas of the Globe.

OSRAM Opto Semiconductors and BASF have developed a highly efficient white organic light-emitting diode (OLED). This is for the first time that an OLED not only is able to achieve a light yield of more than 60 lm/W, but also meets the international Energy Star SSL Standard with regard to color requirements.  

The researchers from the National Institute of Standards and Technology (NIST) have developed a new, economical method for measuring the optical properties of high power LEDs to allow LED lighting manufacturers to obtain accurate, reproducible, and comparable measurements of LED brightness and color. By mounting the LED on a temperature controlled heat sink, the researchers can test the LEDs at their normal operating temperature at high speed.

Recently, LED*Waves, a world-leading manufacturer of high-end LED lights, announced its PAR30 14-Watt, PAR20 8-Watt and MR-16 5-Watt LED lights have been recognized by Illuminating Engineering Society (IES) as unique and significant advancements to the art of science and lighting.

Recently, the electric utility completed replacing the sign's old neon illumination with LED lights that consume nearly 90 percent less energy, last longer, and require less maintenance. Visible to drivers along Interstate 88, the old signage previously used 2,618-watt neon lights, but now generate the same brightness using 323-watt LEDs. Because LEDs also last longer than neon lights and need to be replaced less frequently, ComEd expects to save another 20 percent in annual maintenance costs.