{"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":"funf-faktoren-die-zur-schwarzung-der-led-lichtquelle-fuhren","status":"publish","type":"post","link":"https:\/\/neonledstrip.com\/de\/funf-faktoren-die-zur-schwarzung-der-led-lichtquelle-fuhren\/","title":{"rendered":"F\u00fcnf Faktoren, die zur Schw\u00e4rzung der LED-Streifenlichtquelle f\u00fchren"},"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 der Tat ist die Schw\u00e4rzung der LED-Lichtleiste nicht zuf\u00e4llig. Sie wird durch eine Kombination aus internen und externen Faktoren verursacht. Wenn Sie diese Ursachen verstehen, k\u00f6nnen Sie das Risiko der Verdunkelung bei der Beschaffung, Installation und Wartung wirksam vermeiden. Weitere Informationen, bitte lesen Sie <a href=\"https:\/\/neonledstrip.com\/de\/konnen-led-lichtbander-einen-brand-verursachen\/\" target=\"_blank\" rel=\"noreferrer noopener\">K\u00f6nnen LED-Leuchtb\u00e4nder einen Brand verursachen?<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-degradation-and-carbonization-of-the-phosphor-coating\">Zersetzung und Verkohlung der Phosphorbeschichtung<\/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=\"Nahaufnahme eines LED-Leuchtbandes mit Schw\u00e4rzung der Lichtquelle aufgrund von \u00dcberhitzung\" 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\">L\u00f6sung:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Versuchen Sie, Produkte mit thermisch sehr stabilen Leuchtstoffen zu w\u00e4hlen.<\/li>\n\n\n\n<li>Vergewissern Sie sich, dass der Hersteller einen LM-80-Testbericht vorlegen kann.<\/li>\n\n\n\n<li>Halten Sie die Betriebstemperatur des Lichtbandes unter der empfohlenen Obergrenze, um die Degradation zu verlangsamen.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-inadequate-heat-dissipation-design\">Unzureichende W\u00e4rmeableitung<\/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\">L\u00f6sung:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>W\u00e4hlen Sie eine hochwertige Leiterplatte mit hervorragender W\u00e4rmeableitung.<\/li>\n\n\n\n<li>Verwenden Sie f\u00fcr die Montage Aluminium-LED-Profile oder w\u00e4rmeleitenden 3M-Kleber.<\/li>\n\n\n\n<li>Sorgen Sie f\u00fcr eine ausreichende Bel\u00fcftung um den Lichtstreifen herum.<\/li>\n\n\n\n<li>Wenn die Lichtleiste lang ist, schalten Sie sie in Abschnitten ein, um eine lokale \u00dcberhitzung zu vermeiden.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-mismatched-or-poor-quality-power-supply\">Unangepasste oder minderwertige Stromversorgung<\/h2>\n\n\n\n<p>Eine weitere wichtige Ursache ist eine unzureichende Stromversorgung. Die Verwendung eines inkompatiblen oder minderwertigen Netzteils ist ebenfalls eine h\u00e4ufige Ursache f\u00fcr eine partielle Schw\u00e4rzung oder sogar einen Brand der LED-Lichtquelle.<\/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-Lichtleiste und Stromversorgung\" 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\/de\/wie-man-eine-stromversorgung-fur-led-streifen-auswahlt\/\" target=\"_blank\" rel=\"noreferrer noopener\">Wie w\u00e4hlt man ein Netzteil f\u00fcr LED-Streifen aus?<\/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>Minderwertige Netzteile: Marken-Netzteile verwenden oft minderwertige Kondensatoren und Transformatoren, was zu einer schlechten Entst\u00f6rung f\u00fchrt. Sie sind anf\u00e4llig f\u00fcr Schwankungen im Stromnetz, was zu einer hohen Ausgangswelligkeit f\u00fchrt, die die LEDs mit der Zeit besch\u00e4digen kann.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-solution-1\">L\u00f6sung:<\/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>Lassen Sie mindestens 20% Spielraum bei der Leistungsabgabe.<\/li>\n\n\n\n<li>Verwenden Sie vorzugsweise einen Treiber mit Konstantstromausgang und Kurzschlussschutz.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-humid-and-corrosive-environments\">Feuchte und korrosive Umgebungen<\/h2>\n\n\n\n<p>LED-Leisten, die h\u00e4ufig in feuchten oder stark korrosiven Umgebungen eingesetzt werden, wie z. B. in K\u00fcchen, auf Terrassen, Balkonen und in Au\u00dfenbereichen, m\u00fcssen entsprechend abgedichtet werden. Wasserdampf, \u00d6lrauch oder Salzspr\u00fchnebel k\u00f6nnen allm\u00e4hlich in den Streifen eindringen und chemische Korrosion verursachen.<\/p>\n\n\n\n<p>Das Eindringen von Wasserdampf kann zur Oxidation der Kupferspuren auf der Leiterplatte f\u00fchren, wodurch sich eine gr\u00fcne Patina oder schwarzes Kupferoxid bildet, insbesondere an den L\u00f6tstellen. Diese Korrosion erh\u00f6ht nicht nur den Widerstand und f\u00fchrt zu lokaler Erw\u00e4rmung, sondern kann auch zu offenen Schaltkreisen oder Kurzschl\u00fcssen f\u00fchren, was letztlich dazu f\u00fchrt, dass die LEDs schwarz werden oder durchbrennen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-solution-2\">L\u00f6sung:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>W\u00e4hlen Sie LED-Lichtleisten mit einer Schutzart von IP65 oder h\u00f6her.<\/li>\n\n\n\n<li>Verwenden Sie Silikon oder PU-Kleber f\u00fcr eine feuchtigkeitsdichte Verpackung.<\/li>\n\n\n\n<li>Halten Sie die Integrit\u00e4t der wasserdichten Schicht regelm\u00e4\u00dfig aufrecht und vermeiden Sie ein l\u00e4ngeres Eintauchen in Wasser oder in Umgebungen mit hoher Luftfeuchtigkeit.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-improper-installation-and-prolonged-overload-use\">Unsachgem\u00e4\u00dfe Installation und l\u00e4ngerer \u00dcberlastbetrieb<\/h2>\n\n\n\n<p>Selbst wenn das Produkt selbst von akzeptabler Qualit\u00e4t ist, k\u00f6nnen falsche Installationsmethoden und Nutzungsgewohnheiten die Lebensdauer von LED-Lichtleisten erheblich verk\u00fcrzen und die Lichtquelle verdunkeln.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zu den Installationsproblemen geh\u00f6ren: \u00fcberm\u00e4\u00dfiges Biegen der Lichtleisten, was zu einem Bruch der internen Verdrahtung f\u00fchren kann; die Verwendung von unspezifischen Steckern, was zu schlechtem Kontakt und lokaler Erw\u00e4rmung f\u00fchren kann; die Installation von Lichtleisten in geschlossenen Schlitzen ohne ausreichenden Platz f\u00fcr die W\u00e4rmeableitung; und das zu lange Hintereinanderschalten mehrerer Lichtleisten, was zu unzureichender Spannung am Ende oder \u00dcberhitzung f\u00fchrt.<\/li>\n\n\n\n<li>Langfristige \u00dcberlastung: Manche Nutzer, die von dem Wunsch nach Helligkeit getrieben werden, betreiben die Lichtleisten \u00fcber l\u00e4ngere Zeitr\u00e4ume ohne Pause mit Volllast oder sogar \u00dcberlast (z. B. 24\/7). Dies f\u00fchrt zu einem W\u00e4rmestau und beschleunigt den Materialverschlei\u00df.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-solution-3\">L\u00f6sung:<\/h3>\n\n\n\n<p>Vermeiden Sie bei der Installation scharfe Biegungen oder Ziehen am LED-Streifen.<br>Es wird empfohlen, die Lichtleiste alle 10-12 Stunden auszuruhen, um ihre Lebensdauer zu verl\u00e4ngern.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Schlussfolgerung<\/h2>\n\n\n\n<p>Die Schw\u00e4rzung der <a href=\"https:\/\/neonledstrip.com\/de\/cob-led-strip\/\" target=\"_blank\" rel=\"noreferrer noopener\">LED-Leuchtband <\/a>Quelle ist oft das Ergebnis einer Kombination von Faktoren, die von der Chip- und Phosphorqualit\u00e4t bis hin zur W\u00e4rmeableitung, Stromversorgung, Verpackung, Umwelt und Nutzungsgewohnheiten reichen. Jeder dieser Faktoren kann ein potenzielles Risiko darstellen.<\/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\">FAQs<\/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\">Kann ein geschw\u00e4rztes LED-Lichtband repariert werden?<\/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\">Wie kann ich feststellen, ob die Schw\u00e4rzung eines LED-Streifens auf ein Problem mit der Stromversorgung oder auf ein Qualit\u00e4tsproblem zur\u00fcckzuf\u00fchren ist?<\/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\">Was wird eher schwarz, 12V oder 24V LED-Streifen?<\/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\">Wie lange sollte ein LED-Lichtband bei normalem Gebrauch halten?<\/strong> <p class=\"schema-faq-answer\">Qualifizierte LED-Lichtleisten sollten bei normalem Gebrauch innerhalb von 3 bis 5 Jahren nach Ablauf der Garantiezeit f\u00fcr den Innenbereich keine merkliche Schw\u00e4rzung aufweisen.<\/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 Strip<\/title>\n<meta name=\"description\" content=\"The Blackening of LED strip light source is often the result of a combination of factors, ranging chip and phosphor to heat dissipation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/neonledstrip.com\/de\/funf-faktoren-die-zur-schwarzung-der-led-lichtquelle-fuhren\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Five Factors that Lead to the Blackening of the LED Strip Light Source\" \/>\n<meta property=\"og:description\" content=\"The Blackening of LED strip light source is often the result of a combination of factors, ranging chip and phosphor to heat dissipation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/neonledstrip.com\/de\/funf-faktoren-die-zur-schwarzung-der-led-lichtquelle-fuhren\/\" \/>\n<meta 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