Following research at Sheffield-based LED packaging firm Litecool, narrow beam angles from LED packages without secondary optics or reflectors look closer. The proof-of-concept device produced a beam ...

Stand aside, Wesley Crusher: there’s a new tractor beam on deck that pulls objects using nothing more than laser light. The device has already grabbed NASA’s attention as it could one ...

Seda's WAVEL series LED high bay lights unveil its unique optical design to have beam angle changeable, no need to change lens but simply rotate slide block to have three beam angles ...