Seoul Semiconductor and Toshiba Materials introduce ... - LEDs …
WEBJun 26, 2017 · Seoul Semiconductor and Toshiba Materials announced a new packaged LED technology that is said to deliver a spectral power distribution more akin to sunlight than that of traditional phosphor-converted white LEDs.
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WEBSep 16, 2024 · LEDs Magazine covers technology advances, markets, and applications of LED lighting and related component systems for commercial development and deployment by researchers, engineers, product developers, and manufacturing professionals
ams Osram sells Digital Lumens | LEDs Magazine
WEBOct 1, 2021 · Osram’s new owner ams Osram continues to shed the IoT lighting business that was once supposed to help drive Osram’s future. In its latest move, the Austrian company sold off Boston-based Digital Lumens, a group that Osram had acquired in 2017 with high hopes of offering lighting-based data services. Skyview Capital, a …
Osram opens $440M Malaysian plant amid world's widening …
WEBNov 28, 2017 · Chips ahoy: Osram's new plant in Kulim, Malaysia is believed to be the world's largest LED factory using 6-in. wafers.Osram is also using it for the epitaxy process, which until now it had retained in Germany. (Photo credit: Osram.) The new facility is Osram's second current plant in Malaysia, where it has had production of some sort in the nearby state of Penang since 1978, and has been ...
DARK SKIES | LUNA program seeks to advance acceptance of …
WEBAug 15, 2024 · Carrie Meadows has more than 20 years of experience in the publishing and media industry. She worked with the PennWell Technology Group for more than 17 years, having been part of the editorial staff at Solid State Technology, Microlithography World, Lightwave, Portable Design, CleanRooms, Laser Focus World, and Vision Systems Design before the group was acquired by current parent company ...
Running LEDs from an AC supply
WEBMay 2, 2006 · To run an LED-based fixture from a mains supply (e.g. 120 V AC) requires electronics between the supply and the devices themselves to provide a DC voltage (e.g. 12 V DC) capable of driving several LEDs. A new approach is to develop AC-LEDs, which can operate directly from an AC power supply. This provides several advantages, as …
Driverless LED light engines deliver up to 93% efficiency and no ...
WEBSep 4, 2014 · PETER SHACKLE describes an AC-LED light engine that connects directly to the AC mains while delivering photometric and electrical performance similar to that achieved by DC-driven designs.. In the last several years driverless LED light engines (also known as AC-LED light engines) have become increasingly important to the solid-state lighting (SSL) sector and to the lighting industry at large.
What is an LED? - LEDs Magazine
WEBSep 1, 2004 · In the simplest terms, a light-emitting diode (LED) is a semiconductor device that emits light when an electric current is passed through it. Light is produced when the particles that carry the current (known as electrons and holes) combine together within the semiconductor material. Since light is generated within the solid semiconductor ...
Driverless AC-LED light engines deliver improved flicker …
WEBApr 1, 2016 · In the previously mentioned 2011 work conducted by Poplawski and Miller at PNNL, a number of AC-LED light engines were tested and it was reported that all had a flicker index of 0.42. In 2015, the best AC-LED light engines available had a flicker index of 0.32. Now, in 2016, the Photalume light engine is performing with a flicker index of 0.15.
Choosing between LED and HPS street lights - LEDs Magazine
WEBDec 9, 2010 · The results of the life cycle cost analyses are summarized in the chart below. Estimated life. Average life cycle cost per mile of recommended LED streetlights. Average life cycle cost per mile (excluding poles) of the "higher power" LED street lights. 25,000 hours (6 years) 2.6X incumbent 150W HPS. 2.3X …
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