If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this ...

What is the PV-Pushback-Effect? How can solar day lamps (SDLs) take advantage of this effect? Solar day lamps (SDLs) are made by simply connecting an LED array to a solar photovoltaic (PV) panel. SDLs ...

The definition of light power density. Today's lighting requirements for buildings. How to calculate LPD. Essentially, light power density (LPD) equates to all of the power consumed by light fixtures, ...

SwitchBot launches new Matter-enabled Light Series, which supports Matter-over-Wi-Fi for easy, flexible control even without ...