Definition Led
The American Heritage Student Science Dictionary Second Edition. LED lights are much more efficient working with only a fraction of the energy needed even by fluorescent lights even though offering much higher luminescence.
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Electrons in the semiconductor recombine with electron holes releasing energy in the form of photons.
Definition led. An LED is a semiconductor device that emits light. An LED is a semiconductor device that emits light. Past simple and past participle of lead 2.
However when its used for the metal the word lead is pronounced just like led which can add to the confusion. A device that lights up and displays information when electricity passes through it LEDs are often used to show numbers and words on electronic devices such as digital clocks. Short for light-emitting diode.
Definition of LED Entry 2 of 2. A semiconductor diode that emits light when a voltage is applied to it and that is used especially in electronic devices as for an indicator light When to Use Lead or Led There is some persistent confusion about lead and led. I think weve chosen the right person to lead the expedition.
A light-emitting diode LED is a semiconductor device that emits visible light when an electric current passes through it. Definition of lead Entry 4 of 5 1. Lead can mean to be at the head of something like lead a country or a mission.
The inquiry team is also following up possible leads after receiving 400 calls from the public. A lead is a piece of information or an idea which may help people to discover the facts in a situation where many facts are not known for example in the investigation of a crime or in a scientific experiment. Abbreviation for light-emitting diode.
A light-emitting diode a semiconductor diode which glows when a voltage is applied light sources can be fluorescent tubes optical fibers or LEDs. Lead verb CONTROL B2 I or T to control a group of people a country or a situation. LEDs are used for indicator lights such as those on the front of a disk drive.
You should avoid getting lead poisoning. Lead is also the name of a certain type of metal. The light is not particularly bright but in most LEDs it is monochromatic occurring at a single wavelength.
LED ĕlē-dē lĕd Short for light-emitting diode. Early LEDs produced only red light but modern LEDs can produce several different colors including red green and blue RGB light. An electronic semiconductor device that emits light when an electric current passes through it.
An electronic semiconductor device that emits light when an electric current passes through it. A light-emitting diode LED is a semiconductor light source that emits light when current flows through it. Lead is an irregular verb that has several different meanings.
Lead can mean to be in front especially in a sports game or a race. Led verb past tense past participle of lead 1 The staircase led to a secret passageway. Obviously its related to the word leader.
Lead definition to go before or with to show the way. Recent advances in LED technology have made it possible for LEDs to produce white light as well. An LED is an electronic device that emits light when an electrical current is passed through it.
A plummet for sounding at sea. A soft heavy metallic element with atomic number 82 found mostly in combination and used especially in alloys batteries and shields against sound vibration or radiation see Chemical Elements Table. His legs felt heavy like they were made from lead.
The Yankees lead by three runs with one inning to go. LED is an abbreviation of light-emitting diode. To lead a group on a cross-country hike.
Companies are developing ways to use organic light-emitting diodes as a source for lighting up rooms. A 3 digit LED display shows the output voltage of each individual channel.
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