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Topic:  Industry It’s reported that Cree Inc. has achieved industry-best reported R&D results of 161 lumens per watt for a white power LED. Cree's tests confirmed that the 1mm x 1mm LED produced 173 lumens of light output and achieved 161 lumens per watt efficacy at a color temperature of 4689K. The tests were conducted under standard LED test conditions at a drive current of 350mA, at room temperature. .. Read more
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Topic:  Industry Application The new Ostar Headlamp LED from Osram Opto Semiconductors has a number of features that improve the accuracy of the light pattern. They emit clearly defined light with high efficiency without the need for further external shutters. The LED can be equipped with between one and five chips. Instead of the usual silicone encapsulation, a glass cover bonded to the frame protects the chips, and also prevents scatter losses. .. Read more
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Topic:  Industry Technology Recently, Freescale Semiconductor and Samsung Electronics announced they will collaborate to address the burgeoning market for LEDs. Arman Naghavi, vice president and general manager of Freescale's Analog, Mixed-Signal and Power Division, pointed out that Freescale's LED backlight driver technology is the industry's most compact and integrated solution, their  collaboration with Samsung on LED backlighting in order to help spur further innovation and growth in the LCD market. .. Read more
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Topic:  Technology It’s reported that researchers working in the European ROLLED project have developed a flexible OLED element that can be mass produced using roll-to-roll printing technology. The OLED elements can be used to add value to product packages. The new method is considerably cheaper than the traditional manufacturing method. The project was coordinated by VTT, and project participants included INM, CSEM, Ciba, Hansaprint, UPM and PolylC. .. Read more

Red LEDs can smooth wrinkles

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Topic:  Application Technology 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. .. Read more
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162
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Topic:  Application 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. .. Read more
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Topic:  Application 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: .. Read more

OLED - Highest energy efficiency

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Topic:  Industry 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. .. Read more
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Topic:  Application 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. .. Read more
182
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Topic:  Industry Technology 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. .. Read more
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