Since the earliest versions of indoor LED light bulbs were developed, their designers have faced a variety of technical challenges. These include AC-to-DC power conversion, thermal design/heat-sinking ...

Multi-MHz switched-capacitor drivers are amongst the LED projects to be tackled by Philips in an alliance with Technology Foundation STW, a Netherlands government-funded research organisation.

For advertising and promotion, light chaser circuits are used to produce lighting animation sequences to attract attention like the movie theater marquee. The device contains a lighting controller ...