LED Fundamentals
What LED lights are, how they work, and how they're made.
Start Here — Complete Guide
What Is LED Lighting? How It Works and Why It Replaced Everything Else
LED lighting uses semiconductor diodes to produce light with 75% less energy than incandescent bulbs. Learn how LEDs work and their types.
More Articles
16 articles
Can LED Lights Cause a Fire? Facts and Safety Tips
The risk is very low, but cheap drivers, bad wiring, enclosed fixtures, and power surges can make LEDs unsafe. Here's how.
What Is an SMD LED? A Comprehensive Guide
What is an SMD LED? It's the surface-mounted chip inside most strips and bulbs. Learn what 2835, 3528, and 5050 mean, and SMD vs COB.
How to Make Rose Gold on LED Lights (Without the Muddy Pink)
To make rose gold on LED lights: set a warm pink (RGB 255,160,150 / #FFA096), dim to about 50%, and diffuse it for a soft, coppery-pink glow.
How to Make Golden Hour on LED Lights
How to make golden hour on LED lights: set a warm 2,700K (or RGB 241,180,87), dim to 30-50%, diffuse it, and angle it low. Full step-by-step guide inside.
What Is LED Light Driver - LedLightsGeek
Learn how LED drivers convert AC to DC power, the difference between constant-current and constant-voltage types, and how to pick the right one.
What Bugs Are Attracted to LED Lights
LED lights attract fewer bugs than incandescent or fluorescent due to less UV. Warm-white 2700K LEDs attract the fewest insects.
What Is a COB LED Light? LedLightsGeek
A COB LED packs multiple chips on a single substrate, creating dense, uniform light. Ideal for downlights, grow lights, and LED strips today.
Why Can't We Have Black LED Lights?
A "black LED" is physically impossible since darkness is the absence of photons. UV-A LEDs (365-395nm) create the classic black light glow effect.
What Is CRI in LED Lighting? LedLightsGeek
CRI measures how accurately LEDs reveal true colors versus sunlight. CRI 90+ is ideal for homes, while CRI 80 is the minimum for general use.
What Are LED Light Bulbs? LedLightsGeek
LED bulbs use electroluminescence for efficient lighting-75% less energy than incandescents, 25,000-50,000 hour lifespan, fits standard sockets.
What Does LED Stand For? Light Emitting Diode Explained
Learn what LED stands for and how Light Emitting Diodes work to produce energy-efficient, long-lasting light.
What Are Integrated LED Lights? LedLightsGeek
Integrated LED lights have the LED module built permanently into the fixture. They last 50,000+ hours but require full fixture replacement when LEDs fail. Here
How Does Oral LED Light Lift Corners of Mouth?
Oral LED light therapy uses red and near-infrared light to boost collagen and tighten mouth muscles, gradually lifting drooping corners in 8-12 weeks.
How To Dispose of LED Light Bulbs Safely
LED light bulbs can go in regular household trash in most areas since they contain no mercury. For eco-friendly disposal, recycle them at Home Depot, Lowe
How Do LED Lights Work? The Science Made Simple
LED lights work by passing current through a semiconductor, releasing photons as visible light. This uses 75% less energy than heating a filament.
How Are LED Lights Made- LedLightsGeek
LED lights are made by growing semiconductor crystals, cutting into chips, adding phosphor, mounting on substrates, and assembling.