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このページでは、よみがながつかないところがあります。https://www.merriam-webster.com/dictionary/led
Led Definition & Meaning - Merriam-Webster
The meaning of LED is past tense and past participle of lead. When to Use Lead or Led.
https://en.wikipedia.org/wiki/Light-emitting_diode
Light-emitting diode - Wikipedia
Appearing as practical electronic components in 1962, the earliest LEDs emitted low-intensity infrared (IR) light. ... Infrared LEDs are used in remote-control ...
https://www.energystar.gov/products/light_bulbs/learn-about-led-lighting
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 ...
https://www.energy.gov/energysaver/led-lighting
LED Lighting | Department of Energy
LED is a highly energy-efficient lighting technology, and has the potential to fundamentally change the future of lighting in the United States. Residential ...
https://www.rohm.com/electronics-basics/leds/what-are-leds
Light Emitting Diode ＜What are LEDs and How Do They Work?＞ | ROHM
Light Emitting Diode : Light Emitting Diodes are called "LEDs". Light Emitting Diodes are semiconductor light sources and convert electrical energy directly ...
https://www.britannica.com/technology/LED
LED | Definition, Light, & Facts - Britannica
An LED (light-emitting diode) is a semiconductor device that emits infrared or visible light when charged with an electric current.
https://www.dictionary.com/browse/led
LED Definition & Meaning - Dictionary.com
Led definition: simple past tense and past participle of lead1. . See examples of LED used in a sentence.
https://www.ledsmagazine.com/leds-ssl-design/materials/article/16701292/what-is-an-led
What is an LED? - LEDs Magazine
A light-emitting diode (LED) is a semiconductor device that emits light when an electric current is passed through it.
https://en.wikipedia.org/wiki/LED_lamp
LED lamp - Wikipedia
LED lamps are significantly more energy-efficient than equivalent incandescent lamps and fluorescent lamps.
https://dictionary.cambridge.org/us/dictionary/english/led
LED | definition in the Cambridge English Dictionary
a type of diode (= a device that controls an electric current so that it can only flow in one direction) that produces light.
https://learn.sparkfun.com/tutorials/light-emitting-diodes-leds/all
Light-Emitting Diodes (LEDs) - SparkFun Learn
LEDs (that's "ell-ee-dees") are a particular type of diode that convert electrical energy into light. In fact, LED stands for "Light Emitting Diode."
https://www.energy.gov/eere/ssl/led-basics
LED Basics - Department of Energy
LED lighting is already the most energy-efficient lighting technology, with efficacies ranging up to 150 lumens per watt or more in some specialized instances.
https://www.iup.edu/energymanagement/howto/led-lighting-benefits.html
LED Lighting Benefits - IUP
LED lights contain no toxic materials and are 100 percent recyclable, and will help to reduce your carbon footprint by up to a third. The long operational ...
https://m.ledinside.com/
LEDinside - a leading platform for LED, LED Lighting and LED Market ...
The LED video wall market in Europe and North America, particularly for LED outdoor displays, will continue to grow.
https://us.currentbody.com/products/currentbody-skin-led-light-therapy-mask?srsltid=AfmBOooeoM2794J7p9aYSKaF9ssEJiUuwfuWAZS8BDqfi1850JOYcLxv
LED Light Therapy Face Mask: Series 2 - CurrentBody USA
A revolution in LED mask technology for anti-aging and skin renewal. Enhanced collagen production capability significantly reduces fine lines, wrinkles and ...
https://health.ec.europa.eu/scientific-committees/easy-read-summaries-scientific-opinions/are-led-lights-safe-human-health-0_en
Are LED lights safe for human health? - European Commission
LED lights emit optical radiation that could only in certain circumstances potentially damage the eyes and skin depending on several variables that have to be ...
https://www.youtube.com/watch?v=AF8d72mA41M
Why It Was Almost Impossible to Make the Blue LED - YouTube
The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to ...
みんなの相談Q&A
キッズなんでも相談（ニフティキッズ）
※内容が古い場合があります。移動先のページでとうこう日を確認してみてね。
https://kids.nifty.com/cs/kuchikomi/kids_soudan/list/aid_220520180140/1.htm
うつ病です。助けてください。：キッズなんでも相談 - ニフティキッズ
LED さん（14さい・東京）からの答えとうこう日：2022年5月22日. 見せる. 病院にはひとりで行ったのでしょうか。 それなら領収書やお薬手帳を見せると ...
https://kids.nifty.com/cs/kuchikomi/kids_soudan/list/aid_220507171806/1.htm
LEDにしてから虫が…：キッズなんでも相談コーナー：ニフティ ...
虫には… コウモリは、超音波で虫を食べているのをしっていますか。虫は超音波を嫌がるから、モスキートと言うのを流したらいいと思いますちなみにキーンとなります。 ・ 玄関 ...
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