{"id":2380,"date":"2023-02-21T19:54:20","date_gmt":"2023-02-21T11:54:20","guid":{"rendered":"https:\/\/essenledstrip.com\/?p=2380"},"modified":"2023-02-21T19:54:24","modified_gmt":"2023-02-21T11:54:24","slug":"light-emitting-diode","status":"publish","type":"post","link":"https:\/\/essenledstrip.com\/fr\/light-emitting-diode\/","title":{"rendered":"Que signifie le sigle LED (Light Emitting Diode) ?"},"content":{"rendered":"
\n
\"Que<\/figure><\/div>\n\n\n

Les lampes \u00e0 DEL sont connues pour leur efficacit\u00e9 \u00e9nerg\u00e9tique, mais qu'est-ce que les lampes \u00e0 DEL ? LED<\/a> stand for? LEDs have been on the market for a long time, and now we see them everywhere. The LED we usually understand is a light emitting diode. It’s a brighter, longer-lasting alternative to the incandescent light bulb that came out in the early 20th century.<\/p>\n\n\n\n

Gr\u00e2ce aux progr\u00e8s technologiques, les LED sont l'une des sources de lumi\u00e8re les plus respectueuses de l'environnement. Comprenons les LED en d\u00e9tail, que signifie LED ? Applications des LED<\/a>et pourquoi choisir l'\u00e9clairage LED.<\/p>\n\n\n\n

Que signifie le sigle LED (Light Emitting Diode) ?<\/h2>\n\n\n\n

LED stands for Light Emitting Diode. Is the name of a light-emitting electronic component. Started with the acronym LED itself, is the name of a light-emitting electronic component. It is an electrical device or component with two electrodes (anode and cathode). Electricity flows through these two electrodes – characteristically in one direction only (in through the anode, out through the cathode).<\/p>\n\n\n\n

Ces diodes sont assembl\u00e9es pour former des lumi\u00e8res, appel\u00e9es \u00e9clairage \u00e0 DEL. Celui-ci est utilis\u00e9 dans toute une s\u00e9rie d'applications commerciales et domestiques. Les ampoules LED sont plus \u00e9conomes en \u00e9nergie et durent plus longtemps que les ampoules traditionnelles.<\/p>\n\n\n

\n
\"diode<\/figure><\/div>\n\n\n

\u00c0 quoi servent les LED (diodes \u00e9lectroluminescentes) ?<\/h2>\n\n\n\n

Alors que la technologie LED continue d'\u00e9voluer le long de la courbe de conception et d'innovation, de nouvelles applications d'\u00e9clairage LED voient le jour chaque jour. Il est depuis longtemps \u00e9troitement li\u00e9 \u00e0 notre vie.<\/p>\n\n\n\n

Diode \u00e9lectroluminescente avec circuits int\u00e9gr\u00e9s<\/h3>\n\n\n\n

Les diodes \u00e9lectroluminescentes font partie d'une famille de composants \u00e9lectroniques tels que les transistors, les condensateurs, les r\u00e9sistances, les inductances, les relais et les transformateurs, qui peuvent tous \u00eatre inclus dans des circuits int\u00e9gr\u00e9s et trait\u00e9s sur un petit morceau de silicium, fournissant ainsi des indicateurs pour les ordinateurs, de nombreux appareils, la puissance radio et votre tr\u00e8s important t\u00e9l\u00e9phone portable.<\/p>\n\n\n\n

\u00c9clairage LED avec application d'\u00e9clairage<\/h3>\n\n\n\n

Les \u00e9clairages LED sont d\u00e9sormais largement appr\u00e9ci\u00e9s par le march\u00e9, qu'il s'agisse d'\u00e9clairage domestique ou d'\u00e9clairage architectural. L\u00e0 encore, les lumi\u00e8res de No\u00ebl ont b\u00e9n\u00e9fici\u00e9 d'une mise \u00e0 niveau majeure gr\u00e2ce aux \u00e9clairages \u00e0 LED. L'industrie automobile se tourne vers la technologie LED pour l'\u00e9clairage plus lumineux et plus s\u00fbr des v\u00e9hicules et les nouveaux \u00e9crans informatis\u00e9s de ces v\u00e9hicules.<\/p>\n\n\n\n

Comment fonctionne un luminaire LED ?<\/h2>\n\n\n\n

Les LED sont compos\u00e9es de deux types de mat\u00e9riaux semi-conducteurs (un de type p et un de type n). Les mat\u00e9riaux de type p et de type n, \u00e9galement appel\u00e9s mat\u00e9riaux astringents, ont \u00e9t\u00e9 dop\u00e9s (plong\u00e9s dans une substance appel\u00e9e \"agent dopant\") de mani\u00e8re \u00e0 modifier l\u00e9g\u00e8rement leurs propri\u00e9t\u00e9s \u00e9lectriques par rapport \u00e0 leur forme pure, inalt\u00e9r\u00e9e ou \"intrins\u00e8que\" (type i).<\/p>\n\n\n\n

Les mat\u00e9riaux de type N et de type P sont cr\u00e9\u00e9s en introduisant le mat\u00e9riau r\u00e9el dans les atomes d'un autre \u00e9l\u00e9ment. La structure physique et chimique est automatiquement modifi\u00e9e lorsque certains anciens atomes sont remplac\u00e9s par de nouveaux.<\/p>\n\n\n\n

Les mat\u00e9riaux de type P sont form\u00e9s \u00e0 l'aide d'\u00e9l\u00e9ments tels que le bore, qui poss\u00e8de des \u00e9lectrons de valence inf\u00e9rieure \u00e0 celle du silicium ou des mat\u00e9riaux intrins\u00e8ques. En revanche, les mat\u00e9riaux de type N sont form\u00e9s \u00e0 l'aide de phosphore. Ils ont plus d'\u00e9lectrons de valence que les mat\u00e9riaux intrins\u00e8ques.<\/p>\n\n\n

\n
\"Comment<\/figure><\/div>\n\n\n

En fait, il suffit de comprendre que les LED sont des semi-conducteurs qui \u00e9mettent de la lumi\u00e8re lorsque le courant les traverse. Elle \u00e9met de la lumi\u00e8re lorsque les \u00e9lectrons et les trous du semi-conducteur de type n se recombinent.<\/p>\n\n\n\n

Comment se forme la couleur d'une LED ?<\/h2>\n\n\n\n

On trouve aujourd'hui sur le march\u00e9 des lampes LED de diff\u00e9rentes couleurs. Ils se sont \u00e9galement lanc\u00e9s dans la phototh\u00e9rapie. Les couleurs de lumi\u00e8re LED comme la th\u00e9rapie par la lumi\u00e8re ambr\u00e9e, verte et bleue peuvent aider diff\u00e9rents probl\u00e8mes de sant\u00e9. De m\u00eame, diff\u00e9rentes Les couleurs de la lumi\u00e8re des LED peuvent exprimer diff\u00e9rentes humeurs.<\/a><\/p>\n\n\n\n

Mais savez-vous ce qui d\u00e9termine la couleur d'une LED ? Les mat\u00e9riaux utilis\u00e9s dans les composants semi-conducteurs d'une LED d\u00e9terminent sa couleur. Le phosphure d'indium-aluminium-gallium et le nitrure d'indium-gallium sont les deux principaux composants utilis\u00e9s dans les LED. Si vous modifiez la composition de ces alliages, vous remarquerez une diff\u00e9rence dans la couleur des lumi\u00e8res LED.<\/p>\n\n\n\n

Qu'en est-il des couleurs des luminaires \u00e0 LED ?<\/h2>\n\n\n\n

L'\u00e9clairage LED (Light Emitting Diode) continue de progresser et d'innover. Au d\u00e9but, il n'y avait que des LEDs commerciales bleues et blanches. Aujourd'hui, vous pouvez acheter des lumi\u00e8res LED de diff\u00e9rentes couleurs en fonction de vos besoins.<\/p>\n\n\n

\n
\"Couleurs<\/figure><\/div>\n\n\n

Blanc chaud<\/strong>
Blanc doux<\/a> LED lights are known as white lights. The color temperature ratings of 2200K – 3200K. These lights are perfect for living rooms, lobbies, and bedrooms. Most customer is it hard to choose 3000K vs 4000K<\/a>.<\/p>\n\n\n\n

Blanc naturel<\/strong>
If you want to use LED lights for your workplace, factory, garage, or kitchen, choose natural white LED lights. The color temperature range is 3500 – 4500K. These lights improve concentration while providing visual comfort. Most customers will also compare 4000K vs 5000K<\/a><\/p>\n\n\n\n

Blanc et lumi\u00e8re du jour<\/strong>
La temp\u00e9rature de couleur de ces lumi\u00e8res LED est comprise entre 5000-6500K, ou plus. Elles vous donnent de la luminosit\u00e9 pendant la journ\u00e9e. Ces lumi\u00e8res conviennent aux biblioth\u00e8ques, aux salles de lecture, aux lieux de travail, et plus encore. Les LED blanc froid vous permettent de rester \u00e9veill\u00e9.<\/p>\n\n\n\n

CRI ou indice de rendu des couleurs<\/strong>
Les LED modernes ont une plus grande indice de rendu des couleurs (IRC)<\/a>. Lorsque l'indice de rendu des couleurs est \u00e9lev\u00e9, vous pouvez facilement distinguer les couleurs. Les gens le notent sur une \u00e9chelle de 0 \u00e0 100. La note maximale est de 100. Toutefois, un indice CRI de 80 convient \u00e0 la plupart des applications.<\/p>\n\n\n\n

Quels sont les avantages des LED ?<\/h2>\n\n\n\n

L'\u00e9clairage LED((Light Emitting Diode) est l'utilisation de la technologie pour changer nos vies, et il apporte de nombreux d\u00e9veloppements \u00e0 nos vies.<\/p>\n\n\n\n

    \n
  • Consomme moins d'\u00e9nergie.<\/li>\n\n\n\n
  • Dure 10 fois plus longtemps que les ampoules \u00e0 incandescence traditionnelles.<\/li>\n\n\n\n
  • D'autres mod\u00e8les et couleurs sont disponibles.<\/li>\n\n\n\n
  • Durable et polyvalent.<\/li>\n\n\n\n
  • L'\u00e9clairage LED a une dur\u00e9e de vie plus longue.<\/li>\n<\/ul>\n\n\n\n

    Quels sont les inconv\u00e9nients des LED ?<\/h2>\n\n\n\n

    Pour votre information, l'\u00e9clairage LED pr\u00e9sente \u00e9galement quelques inconv\u00e9nients.<\/p>\n\n\n\n

      \n
    • Les LED sont plus ch\u00e8res.<\/li>\n\n\n\n
    • Les LED sont moins efficaces dans les grandes zones.<\/li>\n\n\n\n
    • Ne fonctionne pas bien \u00e0 des temp\u00e9ratures sup\u00e9rieures \u00e0 65 degr\u00e9s Fahrenheit.<\/li>\n\n\n\n
    • Parce que les LED sont des sous-produits des circuits int\u00e9gr\u00e9s. Une attention particuli\u00e8re doit \u00eatre accord\u00e9e au refroidissement lors de l'utilisation de LED comme source de lumi\u00e8re unique.<\/li>\n<\/ul>\n\n\n\n

      En conclusion<\/h2>\n\n\n\n

      Les lampes LED ou diodes \u00e9lectroluminescentes valent l'investissement. Ils consomment peu d'\u00e9nergie et ont une longue dur\u00e9e de vie. En outre, les lampes LED sont respectueuses de l'environnement. Contrairement aux lampes traditionnelles, 95% de leur \u00e9nergie est convertie en lumi\u00e8re.<\/p>\n\n\n\n

        \n
      • Endurance. Les LED peuvent durer jusqu'\u00e0 50 000 heures.<\/li>\n\n\n\n
      • Efficacit\u00e9 \u00e9nerg\u00e9tique. L'\u00e9clairage LED fonctionne 65% \u00e0 70% plus efficacement que les ampoules \u00e0 incandescence.<\/li>\n\n\n\n
      • Meilleure qualit\u00e9 de lumi\u00e8re. Les LED sont lumineuses, mais pas trop, car leurs niveaux de contraste sont bien \u00e9quilibr\u00e9s.<\/li>\n\n\n\n
      • Des options d'\u00e9clairage plus \u00e9cologiques. Les LED sont fabriqu\u00e9es \u00e0 partir de mat\u00e9riaux recycl\u00e9s et ont une empreinte carbone quasi nulle.<\/li>\n\n\n\n
      • Large choix de types et de couleurs. De la couleur \u00e0 la taille, les LED offrent plus de choix et plus d'applications.<\/li>\n<\/ul>\n\n\n\n

        FAQ<\/h2>\n\n\n\n
        Pourquoi les lumi\u00e8res LED sont meilleures ?<\/strong>

        Les LED sont une technologie d'\u00e9clairage \u00e0 haut rendement \u00e9nerg\u00e9tique par rapport aux ampoules \u00e0 incandescence. Faible consommation d'\u00e9nergie et longue dur\u00e9e de vie.<\/p> <\/div>

        Que signifie le sigle LED sur un t\u00e9l\u00e9viseur ?<\/strong>

        La LED est simplement un type d'affichage, l'acronyme signifiant \"diode \u00e9lectroluminescente\". Un t\u00e9l\u00e9viseur \u00e0 LED utilise un panneau d'affichage \u00e0 cristaux liquides (LCD) - ou \"r\u00e9tro\u00e9clairage\" - pour contr\u00f4ler la distribution de la lumi\u00e8re afin d'afficher l'image sur l'\u00e9cran.<\/p> <\/div>

        Que pensez-vous de la comparaison entre les LED et les OLED ?<\/strong>

        OLED-based displays can’t generally get as bright as their LED-lit counterparts. Light output, usually measured in nits, typically peaks at around 1,000 for OLED displays.<\/p> <\/div>

        Pourquoi les lampes \u00e0 DEL tombent-elles si souvent en panne ?<\/strong>

        Nous savons tous qu'il existe de nombreuses raisons de base pour lesquelles les luminaires LED ne fonctionnent pas. Comme la qualit\u00e9 ou le mauvais fonctionnement et d'autres probl\u00e8mes. Mais le principal probl\u00e8me est la chaleur, et la surchauffe peut \u00eatre le r\u00e9sultat de nombreux probl\u00e8mes de conception et d'assemblage, il faut donc accorder une attention particuli\u00e8re \u00e0 la dissipation de la chaleur.<\/p> <\/div>

        Les lumi\u00e8res LED consomment-elles beaucoup d'\u00e9nergie ?<\/strong>

        Les LED consomment beaucoup moins d'\u00e9nergie que les ampoules \u00e0 incandescence car les diodes sont plus efficaces. Les ampoules LED utilisent plus de 75% d'\u00e9nergie en moins que les ampoules \u00e0 incandescence.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"

        Les lampes \u00e0 LED sont connues pour leur efficacit\u00e9 \u00e9nerg\u00e9tique, mais que signifient les LED\u00a0? Les LED sont sur le march\u00e9 depuis longtemps, et maintenant on les voit partout. La LED que nous comprenons g\u00e9n\u00e9ralement est une diode \u00e9lectroluminescente. C'est une alternative plus lumineuse et plus durable \u00e0 l'ampoule \u00e0 incandescence qui est sortie dans le\u2026<\/p>","protected":false},"author":1,"featured_media":2381,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[18],"tags":[527,528,526],"class_list":["post-2380","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-diode-lamp","tag-led-light-emitting-diode","tag-light-emitting-diode"],"yoast_head":"\nWhat Does LED(Light Emitting Diode) Stand For?<\/title>\n<meta name=\"description\" content=\"LED stands for Light Emitting Diode and is an electronic component. With more efficiency and long service life than incandescent bulbs.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/essenledstrip.com\/fr\/light-emitting-diode\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Does LED(Light Emitting Diode) Stand For?\" \/>\n<meta property=\"og:description\" content=\"LED stands for Light Emitting Diode and is an electronic component. 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