安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Light-emitting diode - Wikipedia
LEDs have many advantages over incandescent light sources, including lower power consumption, a longer lifetime, improved physical robustness, smaller sizes, and faster switching
- LED | Definition, Light, Facts | Britannica
LED, in electronics, a semiconductor device that emits infrared or visible light when charged with an electric current LED displays began to be used for consumer electronic devices starting in 1968, when Hewlett-Packard (HP) introduced the first LED display
- Light Emitting Diode (LED): What is it How Does it Work?
LED Definition: A Light Emitting Diode (LED) is a semiconductor device that emits light when electric current flows through it Working Principle of LED: The working principle of LED involves applying a forward bias current, which causes electrons and holes to recombine at the junction, producing light
- Learn About LED Lighting - ENERGY STAR
LED stands for light emitting diode LED lighting products produce light up to 90% more efficiently than incandescent light bulbs How do they work? An electrical current passes through a microchip, which illuminates the tiny light sources we call LEDs and the result is visible light
- Light Emitting Diode: How LEDs Work and How to Use Them
Learn what a light emitting diode is, how LEDs work, and how to use them in electronics projects Includes history, applications, tips, and FAQs
- Light Emitting Diode Basics | LED Types, Colors and Applications
Light Emitting Diode or simply LED is one of the most commonly used sources of light now-a-days Whether it may be your car’s headlights (or daytime running lights) or your home’s living room lights, the applications of LEDs are countless Unlike (almost) legacy filament bulbs, LEDs (and fluorescent bulbs) need a special circuit to make them work
- Types of LED Lights - The Home Depot
The best LED lights for your home will fit your light fixtures and create your ideal ambience Consider factors like the bulb shape, color temperature and brightness when shopping for LED lighting
- What Is an LED? - How-To Geek
LED stands for "Light-Emitting Diode " The word "diode" is a key component here, because a diode is a semiconductor that only allows electricity to flow in one direction To make an LED, manufacturers take two materials and place them in close proximity The first material is typically a metal, such as aluminum or gold
|
|
|