{"id":4029,"date":"2025-10-09T05:55:53","date_gmt":"2025-10-09T05:55:53","guid":{"rendered":"https:\/\/pergolalights.net\/?p=4029"},"modified":"2026-04-03T07:59:07","modified_gmt":"2026-04-03T07:59:07","slug":"led-fixture-lifespan-standards","status":"publish","type":"post","link":"https:\/\/pergolalights.net\/fr\/led-fixture-lifespan-standards\/","title":{"rendered":"Lecture essentielle pour l'industrie de l'\u00e9clairage : Quelle est la dur\u00e9e de vie r\u00e9elle des luminaires \u00e0 LED ?"},"content":{"rendered":"<div class=\"row align-center\"  id=\"row-45091431\">\n\n\t<div id=\"col-1351297546\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_766746192\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1197\" height=\"588\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/Essential-Reading-for-the-Lighting-Industry-How-Long-Do-LED-Fixtures-Actually-Last.webp\" class=\"attachment-original size-original\" alt=\"Essential Reading for the Lighting Industry How Long Do LED Fixtures Actually Last\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/Essential-Reading-for-the-Lighting-Industry-How-Long-Do-LED-Fixtures-Actually-Last.webp 1197w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/Essential-Reading-for-the-Lighting-Industry-How-Long-Do-LED-Fixtures-Actually-Last-800x393.webp 800w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/Essential-Reading-for-the-Lighting-Industry-How-Long-Do-LED-Fixtures-Actually-Last-768x377.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/Essential-Reading-for-the-Lighting-Industry-How-Long-Do-LED-Fixtures-Actually-Last-18x9.webp 18w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/Essential-Reading-for-the-Lighting-Industry-How-Long-Do-LED-Fixtures-Actually-Last-510x251.webp 510w\" sizes=\"auto, (max-width: 1197px) 100vw, 1197px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_766746192 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-686694404\" class=\"text\">\n\t\t\n<p>Les luminaires \u00e0 LED ont fait l'objet d'une attention et d'une application consid\u00e9rables en raison de leur dur\u00e9e de vie prolong\u00e9e. Cependant, quelle est la dur\u00e9e de vie r\u00e9elle des luminaires \u00e0 LED ? C'est une question qui n\u00e9cessite des m\u00e9thodes d'essai scientifiques et des rapports normalis\u00e9s pour \u00eatre r\u00e9solue. Dans l'industrie moderne de l'\u00e9clairage, la dur\u00e9e de vie des luminaires \u00e0 LED est principalement \u00e9valu\u00e9e \u00e0 l'aide de trois rapports cl\u00e9s : <strong>LM-80, TM-21 et LxxByy<\/strong>. Ces rapports fournissent respectivement des donn\u00e9es sur le taux de maintien du flux lumineux des puces LED, les projections de dur\u00e9e de vie et les exigences en mati\u00e8re de dur\u00e9e de vie dans le cadre des sp\u00e9cifications de l'appel d'offres.<\/p>\n\t\t\n<style>\n#text-686694404 {\n  font-size: 0.75rem;\n  line-height: 1.75;\n}\n@media (min-width:550px) {\n  #text-686694404 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_790478835\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1197\" height=\"624\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-TM-21-and-LxxByy.webp\" class=\"attachment-original size-original\" alt=\"LM-80, TM-21, and LxxByy\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-TM-21-and-LxxByy.webp 1197w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-TM-21-and-LxxByy-767x400.webp 767w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-TM-21-and-LxxByy-768x400.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-TM-21-and-LxxByy-18x9.webp 18w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-TM-21-and-LxxByy-510x266.webp 510w\" sizes=\"auto, (max-width: 1197px) 100vw, 1197px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_790478835 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-359736309\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-359736309 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-1442781651\">\n\n\t<div id=\"col-478079061\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\" style=\"background-color:#bc7d4a;\" >\n\t\t\t\n\t\t\t\n\t<div id=\"text-497172261\" class=\"text\">\n\t\t\n<h2><strong><b>1. <\/b><\/strong><strong>Rapport LM-80 : Test de maintien du flux lumineux des LED<\/strong><\/h2>\n\t\t\n<style>\n#text-497172261 {\n  font-size: 0.75rem;\n  color: rgb(255, 255, 255);\n}\n#text-497172261 > * {\n  color: rgb(255, 255, 255);\n}\n@media (min-width:550px) {\n  #text-497172261 {\n    font-size: 1.1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-478079061 > .col-inner {\n  padding: 60px 0px 48px 0px;\n  border-radius: 7px;\n}\n<\/style>\n\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"text-2747042458\" class=\"text\">\n\t\t\n<p><strong>LM-80 est une norme \u00e9tablie par l'Illuminating Engineering Society (IES), principalement utilis\u00e9e pour tester le maintien du flux lumineux des ensembles, modules ou r\u00e9seaux de LED.<\/strong><\/p>\n\t\t\n<style>\n#text-2747042458 {\n  font-size: 0.75rem;\n  line-height: 1.75;\n}\n@media (min-width:550px) {\n  #text-2747042458 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-2212881876\" class=\"text\">\n\t\t\n<p><strong>L'objectif principal du LM-80 est de fournir des donn\u00e9es sur la d\u00e9pr\u00e9ciation lumineuse des puces LED \u00e0 des temp\u00e9ratures et des courants variables, fournissant ainsi des informations fondamentales pour pr\u00e9dire la dur\u00e9e de vie des produits LED. Ce rapport est g\u00e9n\u00e9ralement utilis\u00e9 pour les certifications d'efficacit\u00e9 \u00e9nerg\u00e9tique, telles que ENERGY STAR et la certification DLC sur le march\u00e9 nord-am\u00e9ricain.<\/strong><\/p>\n\t\t\n<style>\n#text-2212881876 {\n  font-size: 0.75rem;\n  line-height: 1.75;\n}\n@media (min-width:550px) {\n  #text-2212881876 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-105990473\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-105990473 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-3306525580\" class=\"text\">\n\t\t\n<p><strong><b>M\u00e9thode d'essai :<\/b><\/strong><\/p>\n<ul>\n<li><strong>Conditions d'essai :<\/strong> Les tests LM-80 doivent \u00eatre effectu\u00e9s au moins une fois par an. <strong>trois temp\u00e9ratures distinctes<\/strong> (typiquement 55\u00b0C, 85\u00b0C, et une temp\u00e9rature choisie par le fabricant telle que 105\u00b0C), tout en maintenant un courant d'entra\u00eenement constant pour les LED.<\/li>\n<li><strong>Dur\u00e9e du test :<\/strong> Les essais doivent se poursuivre pendant au moins 6 000 heures, les donn\u00e9es \u00e9tant enregistr\u00e9es toutes les 1 000 heures. Pour des pr\u00e9visions plus pr\u00e9cises, il est recommand\u00e9 d'aller jusqu'\u00e0 10 000 heures.<\/li>\n<li><strong>Maintenance du flux lumineux :<\/strong> Les r\u00e9sultats des essais affichent la courbe de d\u00e9croissance du flux lumineux dans le temps, indiquant le maintien du flux lumineux \u00e0 diff\u00e9rents moments pour la source lumineuse \u00e0 DEL.<\/li>\n<\/ul>\n<p><strong><b>Contenu du rapport d'essai :<\/b><\/strong><\/p>\n<ul>\n<li><strong>Courbe de d\u00e9croissance du flux lumineux :<\/strong> La tendance de la d\u00e9croissance du flux lumineux dans chaque condition de temp\u00e9rature, illustrant les changements dans le flux lumineux.<\/li>\n<li><strong>Donn\u00e9es sur la diff\u00e9rence de couleur :<\/strong> Changements dans la diff\u00e9rence de couleur entre 6000 heures et 0 heure pour la LED, \u00e9valuant la d\u00e9rive des couleurs.<\/li>\n<li><strong>Crit\u00e8res d'acceptation :<\/strong> La quantit\u00e9 d'\u00e9chantillons, la diff\u00e9rence de couleur, le taux de d\u00e9croissance et d'autres param\u00e8tres doivent \u00eatre conformes aux exigences de certification.<\/li>\n<\/ul>\n\t\t\n<style>\n#text-3306525580 {\n  font-size: 0.75rem;\n  line-height: 1.75;\n}\n@media (min-width:550px) {\n  #text-3306525580 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_931490137\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1197\" height=\"693\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-Report.webp\" class=\"attachment-original size-original\" alt=\"LM-80 Report\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-Report.webp 1197w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-Report-691x400.webp 691w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-Report-768x445.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-Report-18x10.webp 18w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/LM-80-Report-510x295.webp 510w\" sizes=\"auto, (max-width: 1197px) 100vw, 1197px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_931490137 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-215559413\" class=\"text\">\n\t\t\n<p>Gr\u00e2ce aux rapports d'essai LM-80, les fabricants peuvent fournir des donn\u00e9es sur le maintien du flux lumineux des bo\u00eetiers LED dans diverses conditions ; toutefois, cela ne permet pas de pr\u00e9dire directement la dur\u00e9e de vie des luminaires \u00e0 LED. C'est pourquoi l'industrie a introduit le <strong>TM-21<\/strong> pour extrapoler la dur\u00e9e de vie sur la base des donn\u00e9es du LM-80.<\/p>\n\t\t\n<style>\n#text-215559413 {\n  font-size: 0.75rem;\n  line-height: 1.75;\n}\n@media (min-width:550px) {\n  #text-215559413 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"is-divider divider clearfix\" style=\"max-width:50px;\"><\/div>\n\t<div id=\"gap-1302615814\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1302615814 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-center\"  id=\"row-2068618745\">\n\n\t<div id=\"col-1328920022\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"row\"  id=\"row-1578355842\">\n\n\t<div id=\"col-662053316\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\" style=\"background-color:#bc7d4a;\" >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3298394248\" class=\"text\">\n\t\t\n<h2><strong><b>2. <\/b><\/strong><strong>Rapport TM-21 : Pr\u00e9vision de la dur\u00e9e de vie des luminaires \u00e0 LED<\/strong><\/h2>\n\t\t\n<style>\n#text-3298394248 {\n  font-size: 0.75rem;\n  color: rgb(255, 255, 255);\n}\n#text-3298394248 > * {\n  color: rgb(255, 255, 255);\n}\n@media (min-width:550px) {\n  #text-3298394248 {\n    font-size: 1.1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-662053316 > .col-inner {\n  padding: 60px 0px 48px 0px;\n  border-radius: 7px;\n}\n<\/style>\n\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"text-4196567247\" class=\"text\">\n\t\t\n<p><strong>TM-21<\/strong> est une norme de pr\u00e9diction de la dur\u00e9e de vie des LED bas\u00e9e sur les donn\u00e9es LM-80, publi\u00e9e par le <strong>IES<\/strong> en 2011. Son objectif principal est d'estimer la dur\u00e9e de vie des sources lumineuses \u00e0 LED ou des luminaires complets en extrapolant \u00e0 partir des donn\u00e9es de d\u00e9pr\u00e9ciation lumineuse de la norme LM-80. Le TM-21 joue un r\u00f4le crucial dans l'\u00e9valuation de la long\u00e9vit\u00e9 des bo\u00eetiers et des modules LED, en particulier lorsque des pr\u00e9visions \u00e0 long terme de la dur\u00e9e de vie des luminaires LED sont n\u00e9cessaires.<\/p>\n\t\t\n<style>\n#text-4196567247 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-4196567247 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-685016476\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-685016476 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-3266897519\" class=\"text\">\n\t\t\n<p><strong>M\u00e9thode d'essai :<\/strong><\/p>\n<ul>\n<li><strong>Source des donn\u00e9es :<\/strong> TM-21 utilise les donn\u00e9es relatives \u00e0 la maintenance des lumens issues des r\u00e9sultats des tests LM-80, en recourant \u00e0 la mod\u00e9lisation math\u00e9matique pour extrapoler et pr\u00e9dire la tendance \u00e0 la d\u00e9pr\u00e9ciation des lumens des sources lumineuses \u00e0 LED dans des conditions sp\u00e9cifiques.<\/li>\n<li><strong>Traitement des donn\u00e9es :<\/strong> TM-21 normalise le flux lumineux pour chaque r\u00e9glage de temp\u00e9rature et de courant, en fixant le flux lumineux initial \u00e0 1 (100%), et calcule la valeur moyenne pour chaque point d'essai.<\/li>\n<li><strong>Taille de l'\u00e9chantillon :<\/strong> La taille de l'\u00e9chantillon recommand\u00e9e est de <strong>20<\/strong> est conseill\u00e9e, une taille d'\u00e9chantillon plus importante permettant d'obtenir une meilleure pr\u00e9cision de pr\u00e9diction.<\/li>\n<li><strong>M\u00e9thode d'extrapolation :<\/strong> Lorsque la norme LM-80 pr\u00e9voit une dur\u00e9e d'essai de 6 000 heures, la norme TM-21 peut l'extrapoler \u00e0 <strong>six fois la dur\u00e9e du test<\/strong>, soit 36 000 heures. Pour une dur\u00e9e d'essai de 10 000 heures, l'extrapolation s'\u00e9tend \u00e0 60 000 heures.<\/li>\n<\/ul>\n\t\t\n<style>\n#text-3266897519 {\n  font-size: 0.75rem;\n  line-height: 1.75;\n}\n@media (min-width:550px) {\n  #text-3266897519 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-388992608\" class=\"text\">\n\t\t\n<p><strong>Contenu du rapport :<\/strong><\/p>\n<ul>\n<li><strong>R\u00e9sultats de l'extrapolation de la dur\u00e9e de vie :<\/strong> Par exemple, la dur\u00e9e de vie L70 (le point auquel le flux lumineux diminue jusqu'\u00e0 70% de sa valeur initiale) est une mesure courante de la dur\u00e9e de vie.<\/li>\n<li><strong>Analyse de l'impact de la temp\u00e9rature :<\/strong> En fonction de la temp\u00e9rature de fonctionnement r\u00e9elle des luminaires \u00e0 LED, la <strong>\u00c9quation d'Arrhenius<\/strong> est utilis\u00e9 pour ajuster la courbe de d\u00e9pr\u00e9ciation du flux lumineux \u00e0 diff\u00e9rentes temp\u00e9ratures.<\/li>\n<li><strong>March\u00e9s concern\u00e9s :<\/strong> Le TM-21 est largement adopt\u00e9 sur les march\u00e9s mondiaux, en particulier en Am\u00e9rique du Nord, <strong>L'Europe<\/strong>, et le <strong>R\u00e9gion Asie-Pacifique<\/strong>, Il s'agit d'un document essentiel dans le cadre des appels d'offres pour divers projets.<\/li>\n<\/ul>\n\t\t\n<style>\n#text-388992608 {\n  font-size: 0.75rem;\n  line-height: 1.75;\n}\n@media (min-width:550px) {\n  #text-388992608 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_2116165660\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1197\" height=\"693\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/TM-21-Report.webp\" class=\"attachment-original size-original\" alt=\"TM-21 Report\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/TM-21-Report.webp 1197w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/TM-21-Report-691x400.webp 691w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/TM-21-Report-768x445.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/TM-21-Report-18x10.webp 18w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/10\/TM-21-Report-510x295.webp 510w\" sizes=\"auto, (max-width: 1197px) 100vw, 1197px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_2116165660 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-2572266408\" class=\"text\">\n\t\t\n<p>The TM-21 report renders the prediction of LED luminaire lifetimes more reasonable and feasible, particularly during the design and production stages, where product longevity can be optimised according to the luminaire&#8217;s temperature and current conditions.<\/p>\n\t\t\n<style>\n#text-2572266408 {\n  font-size: 0.75rem;\n  line-height: 1.75;\n}\n@media (min-width:550px) {\n  #text-2572266408 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"is-divider divider clearfix\" style=\"max-width:50px;\"><\/div>\n\t<div id=\"gap-662858899\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-662858899 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-center\"  id=\"row-426725026\">\n\n\t<div id=\"col-1035884314\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"row\"  id=\"row-118313903\">\n\n\t<div id=\"col-1892197288\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\" style=\"background-color:#bc7d4a;\" >\n\t\t\t\n\t\t\t\n\t<div id=\"text-1050262359\" class=\"text\">\n\t\t\n<h2><strong><b>3.<\/b>Rapport LxxByy : Mesure de la dur\u00e9e de vie des LED<\/strong><\/h2>\n\t\t\n<style>\n#text-1050262359 {\n  font-size: 0.75rem;\n  color: rgb(255, 255, 255);\n}\n#text-1050262359 > * {\n  color: rgb(255, 255, 255);\n}\n@media (min-width:550px) {\n  #text-1050262359 {\n    font-size: 1.1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1892197288 > .col-inner {\n  padding: 60px 0px 48px 0px;\n  border-radius: 7px;\n}\n<\/style>\n\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"text-3980004657\" class=\"text\">\n\t\t\n<p>Outre la LM-80 et la TM-21, une autre m\u00e9thode courante d'\u00e9valuation de la long\u00e9vit\u00e9 des LED est la<strong> LxxByy<\/strong> m\u00e9trique. Ce rapport quantifie principalement le pourcentage sp\u00e9cifique de d\u00e9croissance du flux lumineux, couramment utilis\u00e9 pour d\u00e9montrer la performance des luminaires \u00e0 LED apr\u00e8s une dur\u00e9e sp\u00e9cifi\u00e9e. Il est g\u00e9n\u00e9ralement d\u00e9sign\u00e9 par \u2018Lxx Byy @ zz,000 heures\u2019.<\/p>\n\t\t\n<style>\n#text-3980004657 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-3980004657 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-138843272\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-138843272 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-2559241502\" class=\"text\">\n\t\t\n<p><strong>D\u00e9finition de LxxByy :<\/strong><\/p>\n<ul>\n<li><strong>Lxx :<\/strong> Indique le temps pendant lequel le flux lumineux de la LED se maintient \u00e0 xx% de sa valeur initiale. Par exemple, L70 indique le temps pendant lequel le flux lumineux reste \u00e0 70%.<\/li>\n<li><strong>Byy :<\/strong> Repr\u00e9sente le pourcentage (yy%) de LED dans le luminaire qui n'atteignent pas le taux de maintenance Lxx. Par exemple, B10 signifie que 10% des sources lumineuses \u00e0 DEL ne parviennent pas \u00e0 atteindre un taux de maintien du flux lumineux de 70%.<\/li>\n<li><strong>P\u00e9riode de temps :<\/strong> LxxByy est g\u00e9n\u00e9ralement associ\u00e9 \u00e0 des dur\u00e9es sp\u00e9cifiques (par exemple, 50 000 heures ou 100 000 heures) pour d\u00e9montrer la performance de la d\u00e9pr\u00e9ciation du flux lumineux de la source lumineuse \u00e0 DEL au cours d'un fonctionnement prolong\u00e9.<\/li>\n<\/ul>\n\t\t\n<style>\n#text-2559241502 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-2559241502 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-1580065416\" class=\"text\">\n\t\t\n<p><strong>Contenu du rapport :<\/strong><\/p>\n<ul>\n<li><strong>Donn\u00e9es sur la dur\u00e9e de vie :<\/strong> Les rapports LxxByy illustrent g\u00e9n\u00e9ralement le maintien du flux lumineux des luminaires \u00e0 LED apr\u00e8s des p\u00e9riodes sp\u00e9cifiques, ce qui permet aux clients de comprendre intuitivement la dur\u00e9e de vie des LED lors de l'appel d'offres.<\/li>\n<li><strong>Sc\u00e9narios d'application :<\/strong> LxxByy est devenue une m\u00e9thode d'\u00e9valuation standardis\u00e9e dans de nombreux appels d'offres internationaux, en particulier pour des projets de grande envergure tels que <strong>l'\u00e9clairage urbain, l'\u00e9clairage des stades et l'\u00e9clairage industriel<\/strong>.<\/li>\n<\/ul>\n\t\t\n<style>\n#text-1580065416 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-1580065416 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-1784500514\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1784500514 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-480229131\" class=\"text\">\n\t\t\n<p>Le rapport LxxByy compl\u00e8te les lacunes dans l'\u00e9valuation de la dur\u00e9e de vie des luminaires \u00e0 LED, combl\u00e9es par les rapports LM-80 et TM-21, en facilitant une d\u00e9monstration plus efficace du maintien de la luminosit\u00e9 des luminaires au cours d'un fonctionnement prolong\u00e9 dans le cadre de projets.<\/p>\n\t\t\n<style>\n#text-480229131 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-480229131 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"is-divider divider clearfix\" style=\"max-width:50px;\"><\/div>\n\t<div id=\"gap-1386569257\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1386569257 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-center\"  id=\"row-1058536303\">\n\n\t<div id=\"col-743977523\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"row\"  id=\"row-1126305811\">\n\n\t<div id=\"col-855113295\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\" style=\"background-color:#bc7d4a;\" >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3383206486\" class=\"text\">\n\t\t\n<h2><strong><b>4.<\/b><\/strong><strong>R\u00e9sum\u00e9<\/strong><\/h2>\n\t\t\n<style>\n#text-3383206486 {\n  font-size: 0.75rem;\n  color: rgb(255, 255, 255);\n}\n#text-3383206486 > * {\n  color: rgb(255, 255, 255);\n}\n@media (min-width:550px) {\n  #text-3383206486 {\n    font-size: 1.1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-855113295 > .col-inner {\n  padding: 60px 0px 48px 0px;\n  border-radius: 7px;\n}\n<\/style>\n\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"text-2004020050\" class=\"text\">\n\t\t\n<p>L'\u00e9valuation de la dur\u00e9e de vie des luminaires \u00e0 LED est bas\u00e9e sur trois rapports : LM-80, TM-21 et LxxByy. <strong>LM-80<\/strong> fournit des donn\u00e9es de base pour les luminaires \u00e0 LED par le biais d'essais de maintenance lumineuse \u00e0 long terme. <strong>TM-21<\/strong> extrapole les donn\u00e9es du LM-80 pour fournir des projections de dur\u00e9e de vie plus fiables, tandis que le <strong>LxxByy<\/strong> permet aux clients de comprendre clairement les niveaux de maintien du flux lumineux des luminaires \u00e0 LED. Ces trois rapports rendent l'\u00e9valuation de la dur\u00e9e de vie des luminaires \u00e0 LED plus scientifique et plus pr\u00e9visible, aidant les fabricants et les clients \u00e0 mieux comprendre la performance des produits et \u00e0 am\u00e9liorer la comp\u00e9titivit\u00e9 du march\u00e9.<\/p>\n\t\t\n<style>\n#text-2004020050 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-2004020050 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"is-divider divider clearfix\" style=\"max-width:50px;\"><\/div>\n\t<div id=\"gap-2145793954\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-2145793954 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":4038,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4029","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Learn how LED fixture lifespan is measured with LM-80, TM-21, and LxxByy reports. 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