The Pikaboost electric bike conversion kit is back, this time with an even lighter version. The new Pikeboost 2 ...

High power LED lighting is harder than it looks. Power, dimming, control, and communication collide in one design.

Abstract: Structured light, in particular light possessing orbital angular momentum (OAM), has been actively studied in recent decades. Helical Bragg grating (HBG) is a reflecting optical element, ...

Abstract: Quantum-dot color conversion film (QDCCF) with a partitioned black matrix (BM) realizes effective color generation with low crosstalk for micro-light-emitting diode (μLED) displays. However, ...