You swap a warm old incandescent for a shiny new LED, turn the dimmer down for dinner, and the room starts to hum or pulse.

Joel Spira invented the solid-state dimmer switch in 1959. There are reportedly at least 150M dimmers currently out in the world, which is doubtless the reason for the EnergyStar requirement that CFL ...

Dorian Smith-Garcia, a dynamic contributor to Gadget Review for over 4 years, is a versatile expert seamlessly integrating parenthood, travel, and tech. Beyond her digital pursuits, Dorian is a mom, ...

The quest for energy efficiency has led manufacturers to investigate ways of dimming all kinds of lighting technologies, including those that usually can’t be dimmed. Consider, for example, ...

In Part 1 of this two-part series, “Creating Uniform LED Luminescence in RGB Displays”, the discussion focused on dot correction. This design technique is used for managing individual pixel brightness ...

DOE has published a new report, Dimming LEDs with Phase-Cut Dimmers: The Specifier's Process for Maximizing Success. The report was created in response to issues raised about dimming by energy ...

I need to dim the power LED on my Lian Li case. I think the easiest solution would be to put a resistor in line with the LED. Will this have any side effects? The problem is I don't know what size ...

How a single LED driver can support buck, boost, and buck-boost topologies. Design details for each topology type. How such drivers work in automotive and machine-vision designs. The breadth of LED ...