companydirectorylist.com  Global Business Directories and Company Directories
Search Business,Company,Industry :


Country Lists
USA Company Directories
Canada Business Lists
Australia Business Directories
France Company Lists
Italy Company Lists
Spain Company Directories
Switzerland Business Lists
Austria Company Directories
Belgium Business Directories
Hong Kong Company Lists
China Business Lists
Taiwan Company Lists
United Arab Emirates Company Directories


Industry Catalogs
USA Industry Directories














  • 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: 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 (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
  • 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
  • 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
  • LEDs: What Are They? (Definition, Types, and Uses)
    A LED or light-emitting diode is an electrical component that produces light when current passes through it LEDs are semiconductor devices, light is produced when the electrons combine with the material used as the semiconductor
  • Light Emitting Diode (LED): Principle, Advantages, and Uses
    A light-emitting diode (LED) is a small electronic device that emits light when an electric current flows through it LED works by passing electricity through a semiconductor, which releases energy in the form of light




Business Directories,Company Directories
Business Directories,Company Directories copyright ©2005-2012 
disclaimer