This section contains articles on LED bulbs and replacement of incandescent bulbs.
LEDs for cars and trucks
LEDs are rapidly taking over from regular light bulbs in car lights. They are more robust than bulbs because they don’t have a fragile filament. LEDs are more efficient too so for a given power they give off more light and less heat. LEDs are long life. Typically they will dim to about 70% brightness … Continue reading "LEDs for cars and trucks"
LED filament lamps
Ushio Lighting launched the LED filament lamp in 2008. This device looks remarkably like a classic tungsten filament lamp and has an attractive “retro” look to it which makes it suitable for use in light fittings where the bulb is visible. The filaments of these lamps consist of a series-connected string of LEDs mounted on … Continue reading "LED filament lamps"
Dimmable mains LED bulbs
Not all mains bulbs are dimmable. Those that are may require special dimmers to operate. In this article we explain how filament lamp dimmers work and some of the issues that can occur with LED lamps. Incandescent lamp dimmer Figure 1 shows a typical triac dimmer for incandescent lamps. Initially the triac, T1, is … Continue reading "Dimmable mains LED bulbs"
