{"id":51447,"date":"2023-01-13T23:39:40","date_gmt":"2023-01-13T21:39:40","guid":{"rendered":"https:\/\/ledstore.pro\/blog\/?p=51447"},"modified":"2025-07-02T23:43:35","modified_gmt":"2025-07-02T20:43:35","slug":"mika-on-led","status":"publish","type":"post","link":"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led","title":{"rendered":"Mik\u00e4 on LED?"},"content":{"rendered":"<!--?xml encoding=\"UTF-8\"--><a href=\"https:\/\/ledstore.fi\/blog\/2022\/12\/29\/ledien-historia-lyhyesti\" rel=\"dofollow\">Ledien lyhyt historia<\/a><blockquote class=\"pullquote align-center\">\u201dElektroluminesenssin, LEDien taustalla olevan periaatteen, l\u00f6ysi ensimm\u00e4isen kerran Henry Joseph Round vuonna 1907. Mutta vasta vuonna 1962 insin\u00f6\u00f6ri Nick Holonyak k\u00e4ytti tiedett\u00e4 luodakseen n\u00e4kyv\u00e4\u00e4 valoa tuottavia LEDej\u00e4 sellaisina kuin me ne tunnemme.. \u201d <a href=\"https:\/\/ledstore.fi\/blog\/2022\/12\/29\/ledien-historia-lyhyesti\" rel=\"dofollow\">\u2013 Ledien historia, lyhyt oppim\u00e4\u00e4r\u00e4 <\/a><\/blockquote><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1 \"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#Miten_LED_valo_toimii\">Miten LED valo toimii?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#Miten_LED_eroaa_perinteisesta_diodista\">Miten LED eroaa perinteisest\u00e4 diodista?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#Miksi_LED_tarvitsee_etuvastuksen\">Miksi LED tarvitsee etuvastuksen?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#Mitka_ovat_LED-valon_edut\">Mitk\u00e4 ovat LED-valon edut?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#Mita_vareja_LED_voi_tuottaa\">Mit\u00e4 v\u00e4rej\u00e4 LED voi tuottaa?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#Miten_LED_on_rakennettu\">Miten LED on rakennettu?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#Miten_eri_LED_tekniikat_eroavat_toisistaan\">Miten eri LED tekniikat eroavat toisistaan?<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#DIP-LED\">DIP-LED<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#SMD_LED\">SMD LED<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#COB_LED\">COB LED<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#FILAMENT_LED\">FILAMENT LED<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#Tassa_myos_muuta_luettavaa_blogistamme\">T\u00e4ss\u00e4 my\u00f6s muuta luettavaa blogistamme:<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#FAQ\">FAQ<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#1_Mita_tarkoittaa_LED\">1. Mit\u00e4 tarkoittaa LED?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#2_Miten_LED-valo_toimii\">2. Miten LED-valo toimii?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#3_Mitka_ovat_LED-valon_edut_perinteisiin_hehkulamppuihin_verrattuna\">3. Mitk\u00e4 ovat LED-valon edut perinteisiin hehkulamppuihin verrattuna?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#4_Mita_vareja_LED_voi_tuottaa\">4. Mit\u00e4 v\u00e4rej\u00e4 LED voi tuottaa?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#5_Mita_eroa_on_DIP-_SMD-_COB-_ja_Filament-LED-tekniikoilla\">5. Mit\u00e4 eroa on DIP-, SMD-, COB- ja Filament-LED-tekniikoilla?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ledprofiili.fi\/blog\/2023\/01\/13\/mika-on-led\/#Muuta_luettavaa\">Muuta luettavaa<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div><h2><span class=\"ez-toc-section\" id=\"Miten_LED_valo_toimii\"><\/span><span data-sheets-value=\"{\" 1\":2,\"2\":\"miten led valo toimii\"}\" data-sheets-userformat=\"{\" 2\":15233,\"3\":{\"1\":0},\"10\":2,\"11\":0,\"12\":0,\"14\":{\"1\":2,\"2\":0},\"15\":\"calibri, sans-serif\",\"16\":11}\">Miten LED valo toimii?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2><figure id=\"attachment_51454\" aria-describedby=\"caption-attachment-51454\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-51454 size-full\" src=\"https:\/\/ledstore.fi\/blog\/wp-content\/uploads\/Led-toimintaperiaate.png\" alt=\"Mik\u00e4 on LED? - Led toimintaperiaate\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-toimintaperiaate.png 600w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-toimintaperiaate-177x133.png 177w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-toimintaperiaate-533x400.png 533w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\"><figcaption id=\"caption-attachment-51454\" class=\"wp-caption-text\">Led toimintaperiaate. 1*<\/figcaption><\/figure><h2><span class=\"ez-toc-section\" id=\"Miten_LED_eroaa_perinteisesta_diodista\"><\/span>Miten LED eroaa perinteisest\u00e4 diodista?<span class=\"ez-toc-section-end\"><\/span><\/h2><h2><span class=\"ez-toc-section\" id=\"Miksi_LED_tarvitsee_etuvastuksen\"><\/span><span data-sheets-value=\"{\" 1\":2,\"2\":\"miksi led tarvitsee etuvastuksen?\"}\" data-sheets-userformat=\"{\" 2\":15233,\"3\":{\"1\":0},\"10\":2,\"11\":0,\"12\":0,\"14\":{\"1\":2,\"2\":0},\"15\":\"calibri, sans-serif\",\"16\":11}\">Miksi LED tarvitsee etuvastuksen?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2><a href=\"https:\/\/ledstore.fi\/blog\/2023\/02\/06\/miksi-led-palaa\" rel=\"dofollow\">LED palaa<\/a><em>\n<\/em><h2><span class=\"ez-toc-section\" id=\"Mitka_ovat_LED-valon_edut\"><\/span>Mitk\u00e4 ovat LED-valon edut?<span class=\"ez-toc-section-end\"><\/span><\/h2><h2><span class=\"ez-toc-section\" id=\"Mita_vareja_LED_voi_tuottaa\"><\/span>Mit\u00e4 v\u00e4rej\u00e4 LED voi tuottaa?<span class=\"ez-toc-section-end\"><\/span><\/h2><table width=\"619\">\n<tbody>\n<tr>\n<td width=\"139\"><strong>Aallonpituus (NM)<\/strong><\/td>\n<td width=\"75\"><strong>V\u00e4ri<\/strong><\/td>\n<td width=\"99\"><strong>V<\/strong><strong>F<\/strong><strong> @ 20MA<\/strong><\/td>\n<td width=\"307\"><strong>Materiaali<\/strong><\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\" width=\"139\">&lt; 400<\/td>\n<td rowspan=\"3\" width=\"75\">Ultravioletti<\/td>\n<td rowspan=\"3\" width=\"99\">3.1 \u2013 4.4<\/td>\n<td width=\"307\">Aluminium nitride (AlN)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Aluminium gallium nitride (AlGaN)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Aluminium gallium indium nitride (AlGaInN)<\/td>\n<\/tr>\n<tr>\n<td width=\"139\">400 \u2013 450<\/td>\n<td width=\"75\">Violetti<\/td>\n<td width=\"99\">2.8 \u2013 4.0<\/td>\n<td width=\"307\">Indium gallium nitride (InGaN)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" width=\"139\">450 \u2013 500<\/td>\n<td rowspan=\"2\" width=\"75\">Sininen<\/td>\n<td rowspan=\"2\" width=\"99\">2.5 \u2013 3.7<\/td>\n<td width=\"307\">Indium gallium nitride (InGaN)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Silicon carbide (SiC)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\" width=\"139\">500 \u2013 570<\/td>\n<td rowspan=\"3\" width=\"75\">Vihre\u00e4<\/td>\n<td rowspan=\"3\" width=\"99\">1.9 \u2013 4.0<\/td>\n<td width=\"307\">Gallium phosphide (GaP)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Aluminium gallium indium phosphide (AlGaInP)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Aluminium gallium phosphide (AlGaP)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\" width=\"139\">570 \u2013 590<\/td>\n<td rowspan=\"3\" width=\"75\">Keltainen<\/td>\n<td rowspan=\"3\" width=\"99\">2.1 \u2013 2.2<\/td>\n<td width=\"307\">Gallium arsenide phosphide (GaAsP)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Aluminium gallium indium phosphide (AlGaInP)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Gallium phosphide (GaP)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\" width=\"139\">590 \u2013 610<\/td>\n<td rowspan=\"3\" width=\"75\">Oranssi<\/td>\n<td rowspan=\"3\" width=\"99\">2.0 \u2013 2.1<\/td>\n<td width=\"307\">Gallium arsenide phosphide (GaAsP)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Aluminium gallium indium phosphide (AlGaUInP)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Gallium phosphide (GaP)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\" width=\"139\">610 \u2013 760<\/td>\n<td rowspan=\"4\" width=\"75\">Punainen<\/td>\n<td rowspan=\"4\" width=\"99\">1.6 \u2013 2.0<\/td>\n<td width=\"307\">Aluminium gallium arsenide (AlGaAs)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Gallium arsenide phosphide (GaAsP)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Aluminium gallium indium phosphide (AlGaInP)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Gallium phosphide (GaP)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" width=\"139\">&gt; 760<\/td>\n<td rowspan=\"2\" width=\"75\">Infrapuna<\/td>\n<td rowspan=\"2\" width=\"99\">&lt; 1.9<\/td>\n<td width=\"307\">Gallium arsenide (GaAs)<\/td>\n<\/tr>\n<tr>\n<td width=\"307\">Aluminium gallium arsenide (AlGaAs)<\/td>\n<\/tr>\n<\/tbody>\n<\/table><h2><span class=\"ez-toc-section\" id=\"Miten_LED_on_rakennettu\"><\/span>Miten LED on rakennettu?<span class=\"ez-toc-section-end\"><\/span><\/h2><ul>\n \t<li>katodi<\/li>\n \t<li>anodi<\/li>\n \t<li>puolijohdepiiri<\/li>\n \t<li>heijastin<\/li>\n \t<li>diffuusori<\/li>\n<\/ul><figure id=\"attachment_52271\" aria-describedby=\"caption-attachment-52271\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-52271 size-full\" src=\"https:\/\/ledstore.fi\/blog\/wp-content\/uploads\/Led-Osat.jpg\" alt=\"Led piirin poikkileikkaus\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-Osat.jpg 600w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-Osat-177x133.jpg 177w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-Osat-533x400.jpg 533w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\"><figcaption id=\"caption-attachment-52271\" class=\"wp-caption-text\">Mik\u00e4 on Led? Led piirin osat<\/figcaption><\/figure><h2><span class=\"ez-toc-section\" id=\"Miten_eri_LED_tekniikat_eroavat_toisistaan\"><\/span>Miten eri LED tekniikat eroavat toisistaan?<span class=\"ez-toc-section-end\"><\/span><\/h2><h3><span class=\"ez-toc-section\" id=\"DIP-LED\"><\/span>DIP-LED<span class=\"ez-toc-section-end\"><\/span><\/h3><figure id=\"attachment_51463\" aria-describedby=\"caption-attachment-51463\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-51463\" src=\"https:\/\/ledstore.fi\/blog\/wp-content\/uploads\/DIP-led.png\" alt=\"DIP led eri v\u00e4reiss\u00e4\" width=\"600\" height=\"350\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/DIP-led.png 600w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/DIP-led-228x133.png 228w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\"><figcaption id=\"caption-attachment-51463\" class=\"wp-caption-text\">DIP led eri v\u00e4reiss\u00e4<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"SMD_LED\"><\/span>SMD LED<span class=\"ez-toc-section-end\"><\/span><\/h3><figure id=\"attachment_51457\" aria-describedby=\"caption-attachment-51457\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-51457\" src=\"https:\/\/ledstore.fi\/blog\/wp-content\/uploads\/SMD-led.jpg\" alt=\"CREE SMD led\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/SMD-led.jpg 600w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/SMD-led-177x133.jpg 177w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/SMD-led-533x400.jpg 533w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\"><figcaption id=\"caption-attachment-51457\" class=\"wp-caption-text\">CREE SMD led<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"COB_LED\"><\/span>COB LED<span class=\"ez-toc-section-end\"><\/span><\/h3><figure id=\"attachment_51460\" aria-describedby=\"caption-attachment-51460\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-51460 size-full\" src=\"https:\/\/ledstore.fi\/blog\/wp-content\/uploads\/COB-LED-piiri.png\" alt=\"COB LED piiri osana artikkelia mik\u00e4 on led \" width=\"600\" height=\"350\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/COB-LED-piiri.png 600w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/COB-LED-piiri-228x133.png 228w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\"><figcaption id=\"caption-attachment-51460\" class=\"wp-caption-text\">COB LED piiri<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"FILAMENT_LED\"><\/span>FILAMENT LED<span class=\"ez-toc-section-end\"><\/span><\/h3><figure id=\"attachment_51448\" aria-describedby=\"caption-attachment-51448\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-51448 size-full\" style=\"font-weight: 600;\" src=\"https:\/\/ledstore.fi\/blog\/wp-content\/uploads\/e27_led_polttimo_classic_himmennett_v__7w_cri95_sivusta.jpg\" alt=\"Filament LED polttimo artikkelissa mik\u00e4 on led?\" width=\"600\" height=\"450\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/e27_led_polttimo_classic_himmennett_v__7w_cri95_sivusta.jpg 600w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/e27_led_polttimo_classic_himmennett_v__7w_cri95_sivusta-177x133.jpg 177w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/e27_led_polttimo_classic_himmennett_v__7w_cri95_sivusta-533x400.jpg 533w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\"><figcaption id=\"caption-attachment-51448\" class=\"wp-caption-text\">Filament LED polttimo<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"Tassa_myos_muuta_luettavaa_blogistamme\"><\/span>T\u00e4ss\u00e4 my\u00f6s muuta luettavaa blogistamme:<span class=\"ez-toc-section-end\"><\/span><\/h3><a href=\"https:\/\/ledstore.fi\/faq\" rel=\"dofollow\">https:\/\/ledstore.fi\/faq<\/a><a href=\"https:\/\/ledstore.fi\/blog\/2022\/12\/22\/miksi-led-valot-ovat-paras-ratkaisu-kodin-valaistukseen\" rel=\"dofollow\">Miksi LED valot ovat paras ratkaisu kodin valaistukseen<\/a><a href=\"https:\/\/ledstore.fi\/blog\/2018\/12\/05\/led-valaisimetko-vaarallisia\" rel=\"dofollow\">Mihin perustuu Ledien vaarallisuus<\/a><a href=\"https:\/\/ledstore.fi\/blog\/2022\/12\/21\/mika-on-led-yleisimpia-kysymyksia-led-valosta\" rel=\"dofollow\"> Yleisimpi\u00e4 kysymyksi\u00e4 LEDist\u00e4<\/a><a href=\"https:\/\/www.rakentaja.fi\/artikkelit\/17561\/mita_ledvalaisimen_korkea_varintoisto_tarkoittaa_ledstore.htm\" target=\"_blank\" rel=\"nofollow\">Mit\u00e4 v\u00e4rintoisto tarkoittaa?<\/a><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2><!-- \/wp:post-content --><!-- wp:aioseo\/faq {\"question\":\"1. Mit\u00e4 tarkoittaa LED?\",\"schemaBlockId\":\"aioseo-1a2b3c4d\"} --><div class=\"wp-block-aioseo-faq\" data-schema-only=\"false\">\n<h3 class=\"aioseo-faq-block-question\"><span class=\"ez-toc-section\" id=\"1_Mita_tarkoittaa_LED\"><\/span>1. Mit\u00e4 tarkoittaa LED?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"aioseo-faq-block-answer\"><!-- wp:paragraph {\"placeholder\":\"Kirjoita vastaus...\"} -->LED on lyhenne englanninkielisist\u00e4 sanoista \u201dLight Emitting Diode\u201d, joka suomeksi tarkoittaa valoa emittoivaa diodia. Se on puolijohdekomponentti, joka emittoi valoa, kun siihen johdetaan s\u00e4hk\u00f6virtaa.\n\n<!-- \/wp:paragraph -->\n\n<\/div>\n<\/div><!-- \/wp:aioseo\/faq --><!-- wp:aioseo\/faq {\"question\":\"2. Miten LED-valo toimii?\",\"schemaBlockId\":\"aioseo-2b3c4d5e\"} --><div class=\"wp-block-aioseo-faq\" data-schema-only=\"false\">\n<h3 class=\"aioseo-faq-block-question\"><span class=\"ez-toc-section\" id=\"2_Miten_LED-valo_toimii\"><\/span>2. Miten LED-valo toimii?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"aioseo-faq-block-answer\"><!-- wp:paragraph {\"placeholder\":\"Kirjoita vastaus...\"} -->LED toimii kuten PN-diodi, jossa P tarkoittaa positiivista (+) ja N negatiivista (-). Kun P-puolen rei\u00e4t kohtaavat N-puolen elektronit diodin risteyksess\u00e4, vapautuu energiaa fotoneina, jotka tuottavat valoa.\n\n<!-- \/wp:paragraph -->\n\n<\/div>\n<\/div><!-- \/wp:aioseo\/faq --><!-- wp:aioseo\/faq {\"question\":\"3. Mitk\u00e4 ovat LED-valon edut perinteisiin hehkulamppuihin verrattuna?\",\"schemaBlockId\":\"aioseo-3c4d5e6f\"} --><div class=\"wp-block-aioseo-faq\" data-schema-only=\"false\">\n<h3 class=\"aioseo-faq-block-question\"><span class=\"ez-toc-section\" id=\"3_Mitka_ovat_LED-valon_edut_perinteisiin_hehkulamppuihin_verrattuna\"><\/span>3. Mitk\u00e4 ovat LED-valon edut perinteisiin hehkulamppuihin verrattuna?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"aioseo-faq-block-answer\"><!-- wp:paragraph {\"placeholder\":\"Kirjoita vastaus...\"} -->LED-valot ovat energiatehokkaampia, pitk\u00e4ik\u00e4isempi\u00e4 ja ymp\u00e4rist\u00f6yst\u00e4v\u00e4llisempi\u00e4 kuin perinteiset hehkulamput. Ne kuluttavat v\u00e4hemm\u00e4n energiaa ja niiden k\u00e4ytt\u00f6ik\u00e4 on pidempi, mik\u00e4 v\u00e4hent\u00e4\u00e4 vaihtotarvetta ja j\u00e4tteen m\u00e4\u00e4r\u00e4\u00e4.\n\n<!-- \/wp:paragraph -->\n\n<\/div>\n<\/div><!-- \/wp:aioseo\/faq --><!-- wp:aioseo\/faq {\"question\":\"4. Mit\u00e4 v\u00e4rej\u00e4 LED voi tuottaa?\",\"schemaBlockId\":\"aioseo-4d5e6f7g\"} --><div class=\"wp-block-aioseo-faq\" data-schema-only=\"false\">\n<h3 class=\"aioseo-faq-block-question\"><span class=\"ez-toc-section\" id=\"4_Mita_vareja_LED_voi_tuottaa\"><\/span>4. Mit\u00e4 v\u00e4rej\u00e4 LED voi tuottaa?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"aioseo-faq-block-answer\"><!-- wp:paragraph {\"placeholder\":\"Kirjoita vastaus...\"} -->LEDin tuottama valon v\u00e4ri riippuu k\u00e4ytetyst\u00e4 puolijohdemateriaalista ja seostusasteesta. N\u00e4in voidaan tuottaa erilaisia v\u00e4rej\u00e4 ilman suodattimia, mik\u00e4 tekee LED-teknologiasta monipuolisen valaistusratkaisun.\n\n<!-- \/wp:paragraph -->\n\n<\/div>\n<\/div><!-- \/wp:aioseo\/faq --><!-- wp:aioseo\/faq {\"question\":\"5. Mit\u00e4 eroa on DIP-, SMD-, COB- ja Filament-LED-tekniikoilla?\",\"schemaBlockId\":\"aioseo-5e6f7g8h\"} --><div class=\"wp-block-aioseo-faq\" data-schema-only=\"false\">\n<h3 class=\"aioseo-faq-block-question\"><span class=\"ez-toc-section\" id=\"5_Mita_eroa_on_DIP-_SMD-_COB-_ja_Filament-LED-tekniikoilla\"><\/span>5. Mit\u00e4 eroa on DIP-, SMD-, COB- ja Filament-LED-tekniikoilla?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"aioseo-faq-block-answer\"><!-- wp:paragraph {\"placeholder\":\"Kirjoita vastaus...\"} -->DIP (Dual In-line Package) on vanhempi LED-tekniikka, jossa yksitt\u00e4iset LEDit ovat erillisiss\u00e4 koteloissa. SMD (Surface Mount Device) -LEDit ovat pienempi\u00e4 ja asennettu suoraan piirilevylle, mik\u00e4 mahdollistaa ohuemmat ja kevyemm\u00e4t valaisimet. COB (Chip on Board) -tekniikassa useita LED-siruja asennetaan suoraan piirilevylle, mik\u00e4 parantaa valotehoa ja l\u00e4mm\u00f6nhallintaa. Filament-LEDit j\u00e4ljittelev\u00e4t perinteisten hehkulamppujen ulkon\u00e4k\u00f6\u00e4, mutta hy\u00f6dynt\u00e4v\u00e4t LED-teknologiaa energiatehokkuuden parantamiseksi.\n\n<!-- \/wp:paragraph -->\n\n<\/div>\n<\/div><!-- \/wp:aioseo\/faq -->\n<style>\r\n.lwrp.link-whisper-related-posts{\r\n            \r\n            margin-top: 40px;\nmargin-bottom: 30px;\r\n        }\r\n        .lwrp .lwrp-title{\r\n            \r\n            \r\n        }.lwrp .lwrp-description{\r\n            \r\n            \r\n\r\n        }\r\n        .lwrp .lwrp-list-container{\r\n        }\r\n        .lwrp .lwrp-list-multi-container{\r\n            display: flex;\r\n        }\r\n        .lwrp .lwrp-list-double{\r\n            width: 48%;\r\n        }\r\n        .lwrp .lwrp-list-triple{\r\n            width: 32%;\r\n        }\r\n        .lwrp .lwrp-list-row-container{\r\n            display: flex;\r\n            justify-content: space-between;\r\n        }\r\n        .lwrp .lwrp-list-row-container .lwrp-list-item{\r\n            width: calc(33% - 20px);\r\n        }\r\n        .lwrp .lwrp-list-item:not(.lwrp-no-posts-message-item){\r\n            \r\n            max-width: 150px;\r\n        }\r\n        .lwrp .lwrp-list-item img{\r\n            max-width: 100%;\r\n            height: auto;\r\n            object-fit: cover;\r\n            aspect-ratio: 1 \/ 1;\r\n        }\r\n        .lwrp .lwrp-list-item.lwrp-empty-list-item{\r\n            background: initial !important;\r\n        }\r\n        .lwrp .lwrp-list-item .lwrp-list-link .lwrp-list-link-title-text,\r\n        .lwrp .lwrp-list-item .lwrp-list-no-posts-message{\r\n            \r\n            \r\n            \r\n            \r\n        }@media screen and (max-width: 480px) {\r\n            .lwrp.link-whisper-related-posts{\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-title{\r\n                \r\n                \r\n            }.lwrp .lwrp-description{\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-list-multi-container{\r\n                flex-direction: column;\r\n            }\r\n            .lwrp .lwrp-list-multi-container ul.lwrp-list{\r\n                margin-top: 0px;\r\n                margin-bottom: 0px;\r\n                padding-top: 0px;\r\n                padding-bottom: 0px;\r\n            }\r\n            .lwrp .lwrp-list-double,\r\n            .lwrp .lwrp-list-triple{\r\n                width: 100%;\r\n            }\r\n            .lwrp .lwrp-list-row-container{\r\n                justify-content: initial;\r\n                flex-direction: column;\r\n            }\r\n            .lwrp .lwrp-list-row-container .lwrp-list-item{\r\n                width: 100%;\r\n            }\r\n            .lwrp .lwrp-list-item:not(.lwrp-no-posts-message-item){\r\n                \r\n                max-width: initial;\r\n            }\r\n            .lwrp .lwrp-list-item .lwrp-list-link .lwrp-list-link-title-text,\r\n            .lwrp .lwrp-list-item .lwrp-list-no-posts-message{\r\n                \r\n                \r\n                \r\n                \r\n            };\r\n        }<\/style>\r\n<div id=\"link-whisper-related-posts-widget\" class=\"link-whisper-related-posts lwrp\">\r\n            <h3 class=\"lwrp-title\">Muuta luettavaa<\/h3>    \r\n        <div class=\"lwrp-list-container\">\r\n                                <div class=\"lwrp-list lwrp-list-row-container lwrp-list-double-row\">\r\n                <div class=\"lwrp-list-item\"><a href=\"https:\/\/ledstore.fi\/blog\/2025\/07\/30\/ledin-elinkaari-kuinka-kauan-led-valaisin-kestaa-kaytossa\" class=\"lwrp-list-link\"><img width=\"480\" height=\"372\" src=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Avokeittion-yleisvalaistuksena-pyoreat-Plafond200-uppovalaisimet.-\u00a9LedStore.jpg\" class=\"attachment-480x480 size-480x480 wp-post-image\" alt=\"Ledin elinkaari on pitk\u00e4. Avokeitti\u00f6n yleisvalaistuksena py\u00f6re\u00e4t Plafond200 uppovalaisimet. \u00a9LedStore\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Avokeittion-yleisvalaistuksena-pyoreat-Plafond200-uppovalaisimet.-\u00a9LedStore.jpg 1200w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Avokeittion-yleisvalaistuksena-pyoreat-Plafond200-uppovalaisimet.-\u00a9LedStore-171x133.jpg 171w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Avokeittion-yleisvalaistuksena-pyoreat-Plafond200-uppovalaisimet.-\u00a9LedStore-516x400.jpg 516w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><br><span class=\"lwrp-list-link-title-text\">Ledin elinkaari &#8211; kuinka kauan led-valaisin kest\u00e4\u00e4 k\u00e4yt\u00f6ss\u00e4?<\/span><\/a><\/div><div class=\"lwrp-list-item\"><a href=\"https:\/\/ledstore.fi\/blog\/2022\/12\/17\/epasuoran-valon-tekeminen-kattoon-remonttikohde\" class=\"lwrp-list-link\"><img width=\"480\" height=\"270\" src=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Epasuora-valo-katossa-valmista-1.jpg\" class=\"attachment-480x480 size-480x480 wp-post-image\" alt=\"Ep\u00e4suora valo katossa, kaikki valmista\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Epasuora-valo-katossa-valmista-1.jpg 1200w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Epasuora-valo-katossa-valmista-1-236x133.jpg 236w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Epasuora-valo-katossa-valmista-1-711x400.jpg 711w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><br><span class=\"lwrp-list-link-title-text\">Ep\u00e4suoran valon tekeminen kattoon, kaksion remontti<\/span><\/a><\/div><div class=\"lwrp-list-item\"><a href=\"https:\/\/ledstore.fi\/blog\/2025\/06\/12\/ledit-kylpyhuoneessa-turvallisuutta-ja-tyylia\" class=\"lwrp-list-link\"><img width=\"480\" height=\"341\" src=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/DSC2094-scaled.jpg\" class=\"attachment-480x480 size-480x480 wp-post-image\" alt=\"ledit kylpyhuoneessa suihkun takana katon rajassa\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/DSC2094-scaled.jpg 2560w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/DSC2094-187x133.jpg 187w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/DSC2094-563x400.jpg 563w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/DSC2094-1536x1091.jpg 1536w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/DSC2094-2048x1454.jpg 2048w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><br><span class=\"lwrp-list-link-title-text\">Ledit kylpyhuoneessa &#8211; turvallisuutta ja tyyli\u00e4<\/span><\/a><\/div>                <\/div>\r\n                            <div class=\"lwrp-list lwrp-list-row-container lwrp-list-double-row\">\r\n                <div class=\"lwrp-list-item\"><a href=\"https:\/\/ledstore.fi\/blog\/2021\/03\/04\/cct-led-valolla-sisustettu-wc-remontin-toteutus-ja-hinta\" class=\"lwrp-list-link\"><img width=\"480\" height=\"360\" src=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/IMG_4399-e1614868747515.jpg\" class=\"attachment-480x480 size-480x480 wp-post-image\" alt=\"Minimalistinen sisustus, modernit LED-valaistut hyllyt, peilattu sein\u00e4, pehme\u00e4 valaistus. Neutraalit v\u00e4rit ja selke\u00e4t linjat luovat tyylikk\u00e4\u00e4n ja tyylikk\u00e4\u00e4n tilan.\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/IMG_4399-e1614868747515.jpg 1024w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/IMG_4399-e1614868747515-177x133.jpg 177w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/IMG_4399-e1614868747515-533x400.jpg 533w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><br><span class=\"lwrp-list-link-title-text\">WC:n valaistuksen p\u00e4ivitys \u2013 remontin toteutus ja hinta<\/span><\/a><\/div><div class=\"lwrp-list-item\"><a href=\"https:\/\/ledstore.fi\/blog\/2023\/05\/08\/new-materials-and-solutions-for-led-lights\" class=\"lwrp-list-link\"><img width=\"480\" height=\"270\" src=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-tekniikan-kehitys.jpg\" class=\"attachment-480x480 size-480x480 wp-post-image\" alt=\"Led technology development\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-tekniikan-kehitys.jpg 1000w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-tekniikan-kehitys-237x133.jpg 237w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-tekniikan-kehitys-712x400.jpg 712w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/Led-tekniikan-kehitys-750x422.jpg 750w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><br><span class=\"lwrp-list-link-title-text\">New materials and solutions for LED lights<\/span><\/a><\/div><div class=\"lwrp-list-item\"><a href=\"https:\/\/ledstore.fi\/blog\/2017\/06\/21\/led-nauhan-monipuoliset-kayttokohteet\" class=\"lwrp-list-link\"><img width=\"480\" height=\"343\" src=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/NAUHAN-K\u00c4YTT\u00d6KOHTEET-blogi-banneri-1.jpg\" class=\"attachment-480x480 size-480x480 wp-post-image\" alt=\"Kaapin alla olevat LED-nauhavalot valaisevat modernia keitti\u00f6n ty\u00f6tasoa korostaen tummaa taustaa ja puisia ruokailuv\u00e4lineit\u00e4. Teksti: &quot;LED Nauhan K\u00e4ytt\u00f6kohteet.\" srcset=\"https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/NAUHAN-K\u00c4YTT\u00d6KOHTEET-blogi-banneri-1.jpg 824w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/NAUHAN-K\u00c4YTT\u00d6KOHTEET-blogi-banneri-1-186x133.jpg 186w, https:\/\/www.ledprofiili.fi\/blog\/wp-content\/uploads\/NAUHAN-K\u00c4YTT\u00d6KOHTEET-blogi-banneri-1-560x400.jpg 560w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/><br><span class=\"lwrp-list-link-title-text\">Led-nauhan monipuoliset k\u00e4ytt\u00f6kohteet<\/span><\/a><\/div>                <\/div>\r\n                <\/div>\r\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Mik\u00e4 on LED? T\u00f6rm\u00e4\u00e4mme l\u00e4hes p\u00e4ivitt\u00e4in sanaan LED. Englanniksi LED on lyhenne sanoista Light Emitting Diode, joka voidaan k\u00e4\u00e4nt\u00e4\u00e4 &#8221;valoa tuottava diodi&#8221;.\u00a0 LED on yksi diodin muoto, joka on kehitetty tuottamaan valoa. Useimmiten n\u00e4et n\u00e4m\u00e4 kolme kirjainta, kun olet ostamassa televisiota tai uutta puhelinta. Nyky\u00e4\u00e4n kaikki n\u00e4ytt\u00f6p\u00e4\u00e4tteet on varustettu LED taustavalolla ja led valot valaisevat &hellip;<\/p>\n","protected":false},"author":1,"featured_media":51476,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1,17,15209],"tags":[16742,16741,16740,14595,22,16743,16744,14594],"class_list":["post-51447","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ledstoren-blogi","category-tietoa-led-tekniikasta","category-usein-kysyttyja-kysymyksia-led-tekniikasta","tag-cob-led","tag-dip-led","tag-filamentti-led","tag-hehkulamppu","tag-led-lamppu","tag-ledin-osat","tag-ledin-rakenne","tag-mika-on-led"],"acf":{"Artikkelin_yhteenveto":"<ul><li>LED on lyhenne sanoista Light Emitting Diode<\/li>\r\n<li>LED toimii PN-diodin periaatteella, tuottaen valoa<\/li>\r\n<li>LEDin hy\u00f6tysuhde on korkeampi kuin perinteisill\u00e4 hehkulampuilla<\/li>\r\n<li>LEDin v\u00e4ri riippuu puolijohdemateriaalista ja seostusasteesta<\/li>\r\n<li>LED-tekniikoita ovat DIP, SMD, COB ja Filament<\/li><\/ul>"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/posts\/51447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/comments?post=51447"}],"version-history":[{"count":5,"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/posts\/51447\/revisions"}],"predecessor-version":[{"id":72355,"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/posts\/51447\/revisions\/72355"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/media\/51476"}],"wp:attachment":[{"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/media?parent=51447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/categories?post=51447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ledprofiili.fi\/blog\/wp-json\/wp\/v2\/tags?post=51447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}