{"id":2664,"date":"2025-10-20T10:53:04","date_gmt":"2025-10-20T10:53:04","guid":{"rendered":"https:\/\/neonledstrip.com\/?p=2664"},"modified":"2025-10-20T10:53:58","modified_gmt":"2025-10-20T10:53:58","slug":"five-factors-that-lead-to-the-blackening-of-the-led-strip-light-source","status":"publish","type":"post","link":"https:\/\/neonledstrip.com\/nl\/five-factors-that-lead-to-the-blackening-of-the-led-strip-light-source\/","title":{"rendered":"Vijf factoren die leiden tot het zwart worden van de LED Strip Lichtbron"},"content":{"rendered":"<p>Many users of LED light strips have noticed that after a period of use. Their once uniform and bright light strips have become partially darkened, with uneven light spots and decreased brightness. In particular, noticeable LED strip source&#8221;blackening&#8221; or &#8220;yellowish carbonization&#8221; appears around the lamp beads. This phenomenon not only seriously affects the lighting effect and visual aesthetics, but also signals the premature end of the lamp&#8217;s lifespan.<\/p>\n\n\n\n<p>In feite is het zwart worden van de LED strip lichtbron niet toevallig. Het wordt veroorzaakt door een combinatie van interne en externe factoren. Als je deze hoofdoorzaken begrijpt, kun je het risico op verduistering tijdens aanschaf, installatie en onderhoud effectief vermijden. Meer informatie, pls lezen <a href=\"https:\/\/neonledstrip.com\/nl\/kunnen-ledstriplampen-brand-veroorzaken\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kunnen LED-striplampen brand veroorzaken?<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-degradation-and-carbonization-of-the-phosphor-coating\">Afbraak en carbonisatie van de fosforcoating<\/h2>\n\n\n\n<p>The key to LED lamp beads emitting white light lies in the blue light chip stimulating the yellow phosphor coating on their surface. Which when mixed, creates white light. However, this coating is one of the core areas most susceptible to &#8220;blackening.&#8221;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/neonledstrip.com\/wp-content\/uploads\/2025\/10\/led-strip-light-source-blackening-closeup.webp\" alt=\"Close-up van LED stripverlichting die zwart worden van de lichtbron door oververhitting laat zien\" class=\"wp-image-2702\" srcset=\"https:\/\/neonledstrip.com\/wp-content\/uploads\/2025\/10\/led-strip-light-source-blackening-closeup.webp 800w, https:\/\/neonledstrip.com\/wp-content\/uploads\/2025\/10\/led-strip-light-source-blackening-closeup-300x188.webp 300w, https:\/\/neonledstrip.com\/wp-content\/uploads\/2025\/10\/led-strip-light-source-blackening-closeup-768x480.webp 768w, https:\/\/neonledstrip.com\/wp-content\/uploads\/2025\/10\/led-strip-light-source-blackening-closeup-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<p>It&#8217;s well known that when LEDs operate in high-temperature environments for long periods of time. The phosphor material will gradually degrade, age, and even carbonize due to thermal stress. Low-quality phosphors have poor heat resistance and may begin to decompose above 80\u00b0C. Resulting in reduced luminous efficiency, color temperature shift. And visible yellow or black spots on the surface of the lamp beads. In more serious cases, the phosphor may fall off or sinter, directly causing localised dimming.<\/p>\n\n\n\n<p>In addition, encapsulating materials (such as silicone or epoxy resin) can also yellow under the combined effects of ultraviolet light and high temperatures. Further LED strip light source exacerbating the &#8220;blackening&#8221; appearance. This phenomenon is particularly common in light strips with high power density and poor heat dissipation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-solution\">Oplossing:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Probeer producten te kiezen met zeer thermisch stabiele fosforen.<\/li>\n\n\n\n<li>Zorg ervoor dat de fabrikant een LM-80 testrapport kan overleggen.<\/li>\n\n\n\n<li>Houd de bedrijfstemperatuur van de lichtstrip onder de aanbevolen bovengrens om degradatie te vertragen.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-inadequate-heat-dissipation-design\">Ondeugdelijk ontwerp voor warmteafvoer<\/h2>\n\n\n\n<p>Heat is a life-threatening problem for LED lighting. Although LEDs are known as &#8220;cold light sources,&#8221; their electro-optical conversion efficiency isn&#8217;t 100%. And a significant amount of electrical energy is converted into heat. If heat dissipation is poorly designed, heat buildup will directly increase the LED junction temperature, triggering a series of chain reactions.<\/p>\n\n\n\n<p>In fact, cheap LED strips use thin FPCs (flexible printed circuits) without an aluminum-based heat dissipation layer. Or are installed in a confined space, preventing effective heat dissipation. High temperatures not only accelerate phosphor aging but also oxidize solder joints and cause the PCB&#8217;s copper foil to blacken, potentially leading to poor solder joints or short circuits.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-solution-0\">Oplossing:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kies een printplaat van hoge kwaliteit met een uitstekende warmteafvoer.<\/li>\n\n\n\n<li>Gebruik aluminium LED profielen of warmtegeleidende 3M lijm voor montage.<\/li>\n\n\n\n<li>Zorg voor voldoende ventilatie rond de lichtstrip.<\/li>\n\n\n\n<li>Als de lichtstrip lang is, zet hem dan in delen aan om plaatselijke oververhitting te voorkomen.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-mismatched-or-poor-quality-power-supply\">Verkeerde voeding of voeding van slechte kwaliteit<\/h2>\n\n\n\n<p>Een andere belangrijke oorzaak is een ontoereikende voeding. Het gebruik van een incompatibele voeding of een voeding van lage kwaliteit is ook een veel voorkomende oorzaak van het gedeeltelijk zwart worden of zelfs verbranden van de LED strip lichtbron.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/neonledstrip.com\/wp-content\/uploads\/2025\/10\/LED-light-strip-and-power-supply.webp\" alt=\"LED-lichtlijst en voeding\" class=\"wp-image-2701\" srcset=\"https:\/\/neonledstrip.com\/wp-content\/uploads\/2025\/10\/LED-light-strip-and-power-supply.webp 800w, https:\/\/neonledstrip.com\/wp-content\/uploads\/2025\/10\/LED-light-strip-and-power-supply-300x188.webp 300w, https:\/\/neonledstrip.com\/wp-content\/uploads\/2025\/10\/LED-light-strip-and-power-supply-768x480.webp 768w, https:\/\/neonledstrip.com\/wp-content\/uploads\/2025\/10\/LED-light-strip-and-power-supply-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Voltage Mismatch: If you choose a 12V LED light strip and mistakenly connect it to a 24V power supply. This will cause a surge in current and instantly burn out the LED chips. Even if the voltage is correct, if the power supply&#8217;s output current is unstable or pulsating, it can cause the LEDs to overload and overheat. How to choose the power supply, pls read <a href=\"https:\/\/neonledstrip.com\/nl\/hoe-kies-je-een-voeding-voor-ledstrips\/\" target=\"_blank\" rel=\"noreferrer noopener\">Hoe kies ik een voeding voor LED-strips?<\/a><\/li>\n\n\n\n<li>Insufficient or overloaded power: If the power supply wattage is less than the total power supply wattage of the light strip, the power supply will be in a chronic overload state, resulting in a drop in output voltage and abnormal light strip operation. Furthermore, if multiple light strips are connected in series for too long, exceeding the power supply&#8217;s capacity, the end LEDs will operate abnormally due to voltage decay, leading to localized overheating and blackening.<\/li>\n\n\n\n<li>Voedingen van lage kwaliteit: Off-brand voedingen gebruiken vaak condensatoren en transformatoren van lage kwaliteit, wat resulteert in slechte antistoringscapaciteiten. Ze zijn gevoelig voor schommelingen in het elektriciteitsnet, wat resulteert in een hoge uitgangsrimpel die LED's na verloop van tijd kan beschadigen.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-solution-1\">Oplossing:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Choose a high-quality power supply that&#8217;s CE and RoHS certified.<\/li>\n\n\n\n<li>Laat ten minste een marge van 20% toe in het uitgangsvermogen.<\/li>\n\n\n\n<li>Gebruik bij voorkeur een driver met constante stroomuitgang en kortsluitbeveiliging.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-humid-and-corrosive-environments\">Vochtige en corrosieve omgevingen<\/h2>\n\n\n\n<p>LED strips die vaak worden gebruikt in vochtige of zeer corrosieve omgevingen, zoals keukens, patio's, balkons en buitenlandschappen, moeten goed waterdicht worden gemaakt. Waterdamp, olienevel of zoutnevel kunnen geleidelijk in de strip dringen en chemische corrosie veroorzaken.<\/p>\n\n\n\n<p>Het binnendringen van waterdamp kan oxidatie van de kopersporen op de printplaat veroorzaken, waardoor groene patina of zwart koperoxide ontstaat, vooral rond soldeerverbindingen. Deze corrosie verhoogt niet alleen de weerstand en veroorzaakt plaatselijke verhitting, maar kan ook open circuits of kortsluiting veroorzaken, wat er uiteindelijk toe leidt dat de LED's zwart worden of doorbranden.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-solution-2\">Oplossing:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kies LED-lichtstrips met een IP65-classificatie of hoger.<\/li>\n\n\n\n<li>Gebruik siliconenpotting of PU-lijm voor een vochtbestendige verpakking.<\/li>\n\n\n\n<li>Onderhoud regelmatig de integriteit van de waterdichte laag en vermijd langdurige onderdompeling in water of omgevingen met een hoge vochtigheidsgraad.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-improper-installation-and-prolonged-overload-use\">Onjuiste installatie en langdurig overbelast gebruik<\/h2>\n\n\n\n<p>Zelfs als we aannemen dat het product zelf van acceptabele kwaliteit is, kunnen verkeerde installatiemethoden en gebruiksgewoonten de levensduur van LED lichtstrips aanzienlijk verkorten en ervoor zorgen dat de lichtbron donkerder wordt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Installatieproblemen zijn onder andere: overmatig buigen van lichtstrips, waardoor de interne bedrading kan breken; gebruik van niet-specifieke connectoren, wat slecht contact en plaatselijke verhitting kan veroorzaken; installeren van lichtstrips in afgesloten sleuven zonder voldoende ruimte voor warmteafvoer; en meerdere lichtstrips te lang in serie aansluiten, wat resulteert in onvoldoende spanning aan het einde of oververhitting.<\/li>\n\n\n\n<li>Langdurige overbelasting: Sommige gebruikers, gedreven door het verlangen naar helderheid, laten lichtstrips gedurende langere perioden zonder rustpauzes op volle kracht of zelfs overbelast draaien (bijv. 24\/7). Hierdoor hoopt de warmte zich op en wordt het materiaal sneller aangetast.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-solution-3\">Oplossing:<\/h3>\n\n\n\n<p>Vermijd scherpe bochten of trekken aan de LED-strip tijdens de installatie.<br>Het wordt aanbevolen om de lichtstrip elke 10-12 uur te laten rusten om de levensduur te verlengen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusie<\/h2>\n\n\n\n<p>Het zwart worden van <a href=\"https:\/\/neonledstrip.com\/nl\/cob-led-strip\/\" target=\"_blank\" rel=\"noreferrer noopener\">LED-stripverlichting <\/a>bron is vaak het resultaat van een combinatie van factoren, vari\u00ebrend van chip- en fosforkwaliteit tot warmtedissipatie, voeding, verpakking, omgeving en gebruiksgewoonten. Elk van deze factoren kan een potentieel risico vormen.<\/p>\n\n\n\n<p>Therefore, the most effective solution isn&#8217;t to resort to repairs afterwards, but to choose high-quality products from professional manufacturers during the purchase process. If you&#8217;re shopping for a new light strip, consider consulting our expert advice on choosing a truly durable and safe product.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\">FAQ's<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1760145106211\"><strong class=\"schema-faq-question\">Kan een zwartgeblakerde LED lichtstrip worden gerepareerd?<\/strong> <p class=\"schema-faq-answer\">Generally speaking, if you notice blackening or carbonization on the LED beads or PCB, it indicates irreversible physical or chemical damage that cannot be repaired. It&#8217;s recommended to cut off the damaged section and reconnect, or replace the entire LED strip.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760145113743\"><strong class=\"schema-faq-question\">Hoe weet ik of het zwart worden van een LED-strip te wijten is aan een probleem met de voeding of aan een kwaliteitsprobleem?<\/strong> <p class=\"schema-faq-answer\">You can test it by replacing a power supply with a comparable power supply. If the problem persists, it&#8217;s most likely a problem with the light strip&#8217;s materials or workmanship. If it returns to normal after replacing it, it&#8217;s likely a power supply issue.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760145115269\"><strong class=\"schema-faq-question\">Welke LED-strips van 12 V of 24 V zullen eerder zwart worden?<\/strong> <p class=\"schema-faq-answer\">There&#8217;s no definitive answer, as the lighting methods vary. 24V light strips have less voltage attenuation over long distances, resulting in more even heating at the ends, making them more stable in long-distance installations. However, 12V light strips longer than 5 meters without a repeater or parallel connections are prone to dark areas or overheating at the ends, posing a higher risk.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1760145116237\"><strong class=\"schema-faq-question\">Hoe lang moet een LED lichtstrip meegaan bij normaal gebruik?<\/strong> <p class=\"schema-faq-answer\">Gekwalificeerde LED-lichtstrips zouden bij normaal gebruik binnen 3-5 jaar van hun garantieperiode geen merkbare zwarting mogen vertonen bij gebruik binnenshuis.<\/p> <\/div> <\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Many users of LED light strips have noticed that after a period of use. Their once uniform and bright light&#8230;<\/p>","protected":false},"author":1,"featured_media":2702,"comment_status":"open","ping_status":"open","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,"_kad_post_classname":"","footnotes":""},"categories":[13],"tags":[243,242],"class_list":["post-2664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-do-led-light-strips-burn-out","tag-led-strip-burned-out"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Five Factors that Lead to the Blackening of the LED Strip Light Source - Neon LED 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It's recommended to cut off the damaged section and reconnect, or replace the entire LED strip.","inLanguage":"nl-NL"},"inLanguage":"nl-NL"},{"@type":"Question","@id":"https:\/\/neonledstrip.com\/five-factors-that-lead-to-the-blackening-of-the-led-strip-light-source\/#faq-question-1760145113743","position":2,"url":"https:\/\/neonledstrip.com\/five-factors-that-lead-to-the-blackening-of-the-led-strip-light-source\/#faq-question-1760145113743","name":"Hoe weet ik of het zwart worden van een LED-strip te wijten is aan een probleem met de voeding of aan een kwaliteitsprobleem?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"You can test it by replacing a power supply with a comparable power supply. If the problem persists, it's most likely a problem with the light strip's materials or workmanship. 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