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2009-03-23

Unencapsulated light-extraction efficiency of 73% reached by development of Philips

An estimated unencapsulated light-extraction efficiency of 73% has been reached by a photonic-crystal structured blue-emitting LED created by researchers of Philips Lumileds (San Jose, CA) and Philips Research(Eindhoven, The Netherlands).

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1 [News] Greater Safety in The Event of Breakdowns: ams OSRAM Supports Spain's Transition to Connected V16 Lights
2 [News] Illinois, Daktronics Install Largest Video Display in College Football
3 [News] Cree LED Introduces Fully Assembled L2 PCBA Solutions that Address a Wide Range of Indoor and Outdoor Lighting Use Cases
4 [News] Nichia Launches Mercury-Free Project on Production Lines
5 [News] LG Display to Unveil Strategic OLED Lineup Built on Best-In-Class Technology at CES 2026
6 [News] PSV Eindhoven Kicks off a New Era of Game Changing Digital Fan Entertainment inside Iconic Philips Stadion with Four Giant 8m dvLED Scoreboards
7 [News] Sumitomo Chemical to Attend SPIE Photonics West 2026 to Exhibit its Compound Semiconductor Products and Present an Invited Talk

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[News] Illinois, Daktronics Install Largest Video Display in College Football

The Fighting Illini turned to Daktronics (NASDAQ-DAKT) of Brookings, South Dakota, to design, manufacture and install the largest main video display in college football, totaling 17,300+ square feet. The project includes 16 LED displays that c... READ MORE

[News] Greater Safety in The Event of Breakdowns: ams OSRAM Supports Spain's Transition to Connected V16 Lights

Since January 1, 2026, drivers in Spain have been required to carry certified V16 warning lights on expressways and highways, which are directly connected to the traffic authorities when in use. With the LEDguardian ROAD FLARE Signal V16 IoT, ... READ MORE

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