5 Types of Light Bulbs and How They Work

There are five main light bulb types: incandescent bulbs, CFL bulbs, halogen bulbs, LED bulbs, and fluorescent bulbs. Each varies in lifespan, energy efficiency, and light output.

LED全名為「單顆發光二極體（Light Emitting Diode）」，將電能轉化為光能，集結了安全、省電、環保等優點，壽命非常長，幾乎不含紫外線和紅外線，不用擔心照射後會曬黑、曬老。

There are 5 main types of light bulbs: Incandescent Bulb, Halogen Bulb (improved incandescent bulbs), Standard Fluorescent Bulb, CFL (compact fluorescent lamps), and LED (light emitting diode).

Incandescent, halogen, CFL, and LED bulbs are the most common types of light bulbs, each with different energy efficiency, lifespan, and best-use cases.

Discover the different types of light bulbs—LED, CFL, halogen, and incandescent. Learn their pros, cons, and best uses for every room.