{"id":166,"date":"2018-12-29T21:12:34","date_gmt":"2018-12-30T05:12:34","guid":{"rendered":"https:\/\/phoseon.com\/?page_id=166"},"modified":"2022-11-23T10:53:11","modified_gmt":"2022-11-23T18:53:11","slug":"led-uv-system-lifetime","status":"publish","type":"page","link":"https:\/\/phoseon.com\/industrial-curing\/technology\/led-uv-system-lifetime\/","title":{"rendered":"LED UV System Lifetime"},"content":{"rendered":"\t<section class=\"section-header\">\n\t<div class=\"grid-container\">\n\t\t<div class=\"grid-x grid-margin-x\">\n\t\t\t<div class=\"cell small-12\">\n\t\t\t    <h2>Long LED UV System Lifetime<\/h2>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"cell small-6 small-offset-3\">\n\t\t\t\t\t\t<hr \/>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"cell small-10 small-offset-1\">\n\t\t\t    \t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<p>Solid-state Light Emitting Diodes (LEDs) produce light when an electrical current flows from the positive (anode) side to the negative (cathode) side. Like other solid-state devices, LEDs offer a long lifetime if used properly. If engineered correctly, these semiconductor devices last beyond 40,000 hours of operating time unlike traditional UV lamps. Traditional lamps produce light by generating an electric arc inside an ionized gas (typically mercury) chamber to excite atoms, which then decay, emitting photons.  Additionally, the European Commission (EC) through its Restriction on Hazardous Substances (RoHS) guidelines has continually monitored the rapid progress of UV LED\u2019s capability. Many in the industry predict the EC will begin limiting traditional lamp usage, starting first with smaller systems then working towards larger systems in ensuing years .Combining energy generation of today\u2019s UV LED light sources and the right formulation of UV curable resins, photoinitiators, and additives, it is possible to surpass current process capabilities for a variety of applications.<\/p>\n\n\n\n<p>UV LEDs are one small, though important, part of a UV light source, but the rest of the system must also be taken into account when discussing the lifetime. This includes the internal control circuitry plus the cooling system to ensure the LEDs remain within their operating specifications, as well as the housing to protect the LEDs from environmental factors. <\/p>\n\n\n\n<p>Phoseon\u2019s patented and proprietary systems use  thermal management, sealing techniques, optical enhancements, and control circuitry to maximize performance without sacrificing lifetime.<\/p>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background\" href=\"https:\/\/discover.phoseon.com\/led-uv-systems-lifetime\" style=\"background-color:#633799\">Download LED Lifetime Technical Note<\/a><\/div>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\t<section class=\"section-header\">\n\t<div class=\"grid-container\">\n\t\t<div class=\"grid-x grid-margin-x\">\n\t\t\t<div class=\"cell small-12\">\n\t\t\t    <h2>UV LED Technology Benefits <\/h2>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"cell small-6 small-offset-3\">\n\t\t\t\t\t\t<hr \/>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"cell small-10 small-offset-1\">\n\t\t\t    \t\t\t    <p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19256 size-full\" src=\"https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart.jpg\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart.jpg 960w, https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart-300x169.jpg 300w, https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart-768x432.jpg 768w, https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart-16x9.jpg 16w, https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart-640x360.jpg 640w\" sizes=\"(max-width: 639px) 98vw, (max-width: 1199px) 64vw, 770px\" \/><\/p>\n<\/p>\n\t\t\t    \t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\t<section class=\"two-column-flex\">\n\t\t\t\t<div class=\"two-column-flex-container\">\n\t\t\t<div class=\"flex-item small-flex-item\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" alt=\"LED-Stack\" src=\"https:\/\/phoseon.com\/wp-content\/uploads\/2019\/01\/LED-Stack-2-640x321.jpg\" \/>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"flex-item large-flex-item\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"two-column-cta-image-header\">Factors Affecting LED Lifetime<\/h2>\t\t\t\t\t\t\t\t\t<p class=\"two-column-cta-image-content\"><p>Two major factors that affect the lifetime of LEDs are temperature and current. As LEDs convert electricity into light, heat generates within the p-n junction, known as the junction temperature. For a diode to achieve maximum life expectancy, the junction temperature has to remain in a safe operating zone. The UV Power output of a diode increases with input current but decreases with junction temperature. At any fixed input current, the cooler the junction temperature remains, the more UV output the diode will provide.<\/p>\n<\/p>\t\t\t\t\t\t<a href=\"https:\/\/phoseon.com\/contact-us\/\" target=\"\"\n\t\t\t\t\t\t\t class=\"button two-column-cta-image-button\">Contact Us<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/section>\n\n\n\n\n\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\t<section class=\"two-column-flex\">\n\t\t\t\t<div class=\"two-column-flex-container\">\n\t\t\t<div class=\"flex-item small-flex-item\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" alt=\"Graph, Phoseon Lifetest data\" src=\"https:\/\/phoseon.com\/wp-content\/uploads\/2019\/01\/Graph_Phoseon_Lifetestdata.jpg\" \/>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"flex-item large-flex-item\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"two-column-cta-image-header\">LED End of Life Characteristics<\/h2>\t\t\t\t\t\t\t\t\t<p class=\"two-column-cta-image-content\"><p>The normal \u2018failure mode\u2019 of an LED is gradual degradation of the light output. Many commercial LED lighting systems define failure at 70% of the original operating output, also known as L70. Phoseon light sources are designed to ensure an L80 lifetime (80% of original output) of at least 40,000 hours, but have shown to provide L80 at as much as 60,000 hours. Figure is actual data gathered by Phoseon Technology of a continuously operated light source.<\/p>\n<\/p>\t\t\t\t\t\t<a href=\"https:\/\/phoseon.com\/contact-us\/\" target=\"\"\n\t\t\t\t\t\t\t class=\"button two-column-cta-image-button\">Contact Us<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/section>\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Solid-state Light Emitting Diodes (LEDs) produce light when an electrical current flows from the positive (anode) side to the negative [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":160,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LED UV System Lifetime - Phoseon Technology<\/title>\n<meta name=\"description\" content=\"Phoseon products offer a long LED UV system lifetime due to our patented and proprietary technology for UV curing. 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