{"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\/it\/light-emitting-diode\/","title":{"rendered":"Qual \u00e8 il significato di LED (Light Emitting Diode)?"},"content":{"rendered":"
\n
\"Qual<\/figure><\/div>\n\n\n

Le luci a LED sono note per la loro efficienza energetica, ma che cosa fa la luce? 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

Con il progredire della tecnologia, i LED sono una delle sorgenti luminose pi\u00f9 ecologiche. Cerchiamo di capire il LED in dettaglio, cosa significa LED? Applicazioni dei LED<\/a>e perch\u00e9 scegliere l'illuminazione a LED.<\/p>\n\n\n\n

Qual \u00e8 il significato di 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

Questi diodi vengono assemblati in luci, chiamate illuminazione a led. Queste vengono utilizzate in una serie di applicazioni commerciali e domestiche. Le lampadine a LED sono pi\u00f9 efficienti dal punto di vista energetico e durano pi\u00f9 a lungo di quelle tradizionali.<\/p>\n\n\n

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

A cosa servono i LED (diodi a emissione luminosa)?<\/h2>\n\n\n\n

Con la continua evoluzione della tecnologia LED lungo la curva del design e dell'innovazione, ogni giorno nascono sempre pi\u00f9 applicazioni di illuminazione a LED. Da tempo \u00e8 strettamente legata alla nostra vita.<\/p>\n\n\n\n

Diodo a emissione luminosa con circuiti integrati<\/h3>\n\n\n\n

I diodi a emissione luminosa fanno parte di una famiglia di componenti elettronici come transistor, condensatori, resistenze, induttori, rel\u00e8 e trasformatori, che possono essere tutti inclusi in circuiti integrati ed elaborati su un piccolo pezzo di silicio, fornendo indicatori per computer, molti dispositivi, energia radio e il vostro importantissimo telefono cellulare.<\/p>\n\n\n\n

Illuminazione a LED con applicazione di illuminazione<\/h3>\n\n\n\n

Le luci a LED sono ormai molto amate dal mercato, sia che si tratti di illuminazione domestica che di illuminazione architettonica. Anche le luci di Natale hanno ricevuto un importante aggiornamento grazie all'illuminazione a LED. L'industria automobilistica si sta rivolgendo alla tecnologia LED per un'illuminazione pi\u00f9 luminosa e sicura dei veicoli e per i nuovi display computerizzati di questi ultimi.<\/p>\n\n\n\n

Come funziona una luce LED?<\/h2>\n\n\n\n

I LED sono composti da due tipi di materiali semiconduttori (uno di tipo p e uno di tipo n). Sia i materiali di tipo p che quelli di tipo n, chiamati anche materiali astringenti, sono stati drogati (immersi in una sostanza chiamata \"agente drogante\") in modo da alterare leggermente le loro propriet\u00e0 elettriche rispetto alla loro forma pura, inalterata o \"intrinseca\" (tipo i).<\/p>\n\n\n\n

I materiali di tipo N e P vengono creati introducendo il materiale reale in atomi di un altro elemento. La struttura fisica e chimica cambia automaticamente quando alcuni atomi vecchi vengono sostituiti da quelli nuovi.<\/p>\n\n\n\n

I materiali di tipo P si formano con l'aiuto di elementi come il boro, che ha elettroni di valenza inferiore rispetto al silicio o ai materiali intrinseci. I materiali di tipo N, invece, sono realizzati con il fosforo. Hanno pi\u00f9 elettroni di valenza rispetto ai materiali intrinseci.<\/p>\n\n\n

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

In realt\u00e0, si pu\u00f2 semplicemente capire che i LED sono semiconduttori che emettono luce quando la corrente li attraversa. La luce viene emessa quando gli elettroni e le buche dei semiconduttori di tipo n si ricombinano.<\/p>\n\n\n\n

Come si forma il colore di un LED?<\/h2>\n\n\n\n

Oggi sul mercato si trovano luci LED di vari colori. Si sono anche cimentati nella fototerapia. I colori della luce LED, come la terapia della luce ambra, verde e blu, possono aiutare diverse condizioni di salute. Allo stesso modo, diversi I colori della luce LED possono esprimere diversi stati d'animo.<\/a><\/p>\n\n\n\n

Ma sapete cosa determina il colore di un LED? I materiali utilizzati nei componenti semiconduttori di un LED ne determinano il colore. Il fosfuro di gallio e alluminio e il nitruro di gallio e indio sono i due componenti principali utilizzati nei LED. Se si modifica la composizione di queste leghe, si noter\u00e0 una differenza nel colore delle luci LED.<\/p>\n\n\n\n

Che ne dite dei colori della luce a LED?<\/h2>\n\n\n\n

L'illuminazione a LED (Light Emitting Diode) continua a progredire e a innovarsi. All'inizio esistevano solo LED commerciali blu e bianchi. Oggi \u00e8 possibile acquistare luci LED di diversi colori a seconda delle esigenze.<\/p>\n\n\n

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

Bianco caldo<\/strong>
Bianco morbido<\/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

Bianco naturale<\/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

Bianco e luce del giorno<\/strong>
La temperatura di colore di queste luci LED \u00e8 compresa tra 5000-6500K, o superiore. Offrono luminosit\u00e0 durante il giorno. Queste luci sono adatte a biblioteche, sale di lettura, luoghi di lavoro e altro ancora. I LED bianchi freddi mantengono l'attenzione sveglia.<\/p>\n\n\n\n

CRI o Indice di resa cromatica<\/strong>
I LED moderni hanno una maggiore indice di resa cromatica (CRI)<\/a>. Quando l'indice di resa cromatica \u00e8 elevato, \u00e8 possibile distinguere facilmente i colori. L'indice viene valutato su una scala da 0 a 100. Il punteggio massimo \u00e8 100. Il punteggio massimo \u00e8 100. Tuttavia, un indice CRI di 80 \u00e8 adatto alla maggior parte delle applicazioni.<\/p>\n\n\n\n

Quali sono i vantaggi dei LED?<\/h2>\n\n\n\n

L'illuminazione a LED ((Light Emitting Diode) \u00e8 l'uso della tecnologia per cambiare le nostre vite e apporta molti sviluppi alle nostre vite.<\/p>\n\n\n\n

    \n
  • Consuma meno energia.<\/li>\n\n\n\n
  • Dura 10 volte di pi\u00f9 delle tradizionali lampadine a incandescenza.<\/li>\n\n\n\n
  • Sono disponibili altri design e colori.<\/li>\n\n\n\n
  • Resistente e versatile.<\/li>\n\n\n\n
  • L'illuminazione a LED ha una durata maggiore.<\/li>\n<\/ul>\n\n\n\n

    Quali sono gli svantaggi dei LED?<\/h2>\n\n\n\n

    L'illuminazione a LED presenta anche alcuni svantaggi.<\/p>\n\n\n\n

      \n
    • I LED sono pi\u00f9 costosi.<\/li>\n\n\n\n
    • I LED sono meno efficaci su grandi superfici.<\/li>\n\n\n\n
    • Non funziona bene a temperature superiori a 65 gradi Fahrenheit.<\/li>\n\n\n\n
    • Poich\u00e9 i LED sono sottoprodotti di circuiti integrati. \u00c8 necessario prestare particolare attenzione al raffreddamento quando si utilizzano i LED come singola sorgente luminosa.<\/li>\n<\/ul>\n\n\n\n

      In conclusione<\/h2>\n\n\n\n

      Le luci a LED o a diodi luminosi valgono l'investimento. Consumano poca energia e hanno una lunga durata. Inoltre, le luci a LED sono rispettose dell'ambiente. A differenza delle luci tradizionali, 95% della loro energia viene convertita in luce.<\/p>\n\n\n\n

        \n
      • Durata. I LED possono durare fino a 50.000 ore.<\/li>\n\n\n\n
      • Efficienza energetica. L'illuminazione a LED funziona da 65% a 70% in modo pi\u00f9 efficiente rispetto alle lampadine a incandescenza.<\/li>\n\n\n\n
      • Migliore qualit\u00e0 della luce. I LED sono luminosi, ma non troppo, perch\u00e9 i livelli di contrasto sono ben bilanciati.<\/li>\n\n\n\n
      • Opzioni di illuminazione pi\u00f9 ecologiche. I LED sono realizzati con materiali riciclati e hanno un'impronta di carbonio quasi nulla.<\/li>\n\n\n\n
      • Ampia scelta di tipi e colori. Dal colore alle dimensioni, i LED offrono pi\u00f9 scelte e pi\u00f9 applicazioni.<\/li>\n<\/ul>\n\n\n\n

        Domande frequenti<\/h2>\n\n\n\n
        Perch\u00e9 le luci a LED sono migliori?<\/strong>

        I LED sono una tecnologia di illuminazione ad alta efficienza energetica rispetto alle lampadine a incandescenza. Basso consumo energetico e lunga durata.<\/p> <\/div>

        Cosa significa LED in un televisore?<\/strong>

        LED \u00e8 semplicemente un tipo di display, con l'acronimo che sta per \"light-emitting diode\". Un televisore a LED utilizza un pannello a cristalli liquidi (LCD) - o \"retroilluminazione\" - per controllare la distribuzione della luce e visualizzare l'immagine sullo schermo.<\/p> <\/div>

        Che ne dite di LED e 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>

        Perch\u00e9 le luci LED si guastano cos\u00ec spesso?<\/strong>

        Sappiamo tutti che ci sono molte ragioni fondamentali per cui le luci a LED si guastano. Ad esempio, la qualit\u00e0 o il funzionamento improprio e altri problemi. Ma il problema principale \u00e8 il calore e il surriscaldamento pu\u00f2 essere il risultato di molti problemi di progettazione e assemblaggio, quindi \u00e8 necessario prestare particolare attenzione alla dissipazione del calore.<\/p> <\/div>

        Le luci a LED consumano molta energia?<\/strong>

        I LED consumano molta meno energia rispetto alle lampadine a incandescenza perch\u00e9 le luci a diodi sono pi\u00f9 efficienti. Le lampadine a LED consumano oltre 75% di energia in meno rispetto alle lampadine a incandescenza.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"

        Le luci a LED sono note per essere efficienti dal punto di vista energetico, ma cosa significa LED? I LED sono sul mercato da molto tempo e ora li vediamo ovunque. Il LED che di solito intendiamo \u00e8 un diodo a emissione di luce. \u00c8 un'alternativa pi\u00f9 luminosa e pi\u00f9 duratura alla lampadina a incandescenza uscita nel...<\/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\/it\/light-emitting-diode\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\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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