{"id":5714,"date":"2024-04-08T23:43:04","date_gmt":"2024-04-08T21:43:04","guid":{"rendered":"https:\/\/www.proof.de\/?post_type=encyclopedia&#038;p=5714"},"modified":"2024-04-08T23:43:04","modified_gmt":"2024-04-08T21:43:04","slug":"led","status":"publish","type":"encyclopedia","link":"https:\/\/proof.proofen.de\/da\/leksikon-4\/led\/","title":{"rendered":"LED"},"content":{"rendered":"<div class=\"kk-star-ratings kksr-auto kksr-align-right kksr-valign-top\" data-payload='{\"align\":\"right\",\"id\":\"5714\",\"slug\":\"default\",\"valign\":\"top\",\"ignore\":\"\",\"reference\":\"auto\",\"class\":\"\",\"count\":\"0\",\"legendonly\":\"\",\"readonly\":\"\",\"score\":\"0\",\"starsonly\":\"\",\"best\":\"5\",\"gap\":\"5\",\"greet\":\"Jetzt bewerten\",\"legend\":\"0\\\/5 - (0 votes)\",\"size\":\"24\",\"title\":\"LED\",\"width\":\"0\",\"_legend\":\"{score}\\\/{best} - ({count} {votes})\",\"font_factor\":\"1.25\"}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">Bed\u00f8m nu<\/span>\n    <\/div>\n    <\/div>\n<p>En LED er en \"light-emitting diode\" og st\u00e5r i den grafiske branche for det nye \"LED\"-lys, som har erstattet \u00e6ldre lyskilder som neonr\u00f8r og wolframlamper. Neonr\u00f8r bruges hovedsageligt inden for <a href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/d50\/\" target=\"_self\" title=\"D50 er standardlyset i trykkeribranchen. Pr\u00f8ver kan kun farvematches under D50-standardlys,\" class=\"encyclopedia\">D50<\/a> eller <a href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/d65\/\" target=\"_self\" title=\"D65 er standardlys med en farvetemperatur p\u00e5 6.500 Kelvin. Det svarer til standardindstillingen p\u00e5 de fleste sk\u00e6rme og bruges prim\u00e6rt til farvematching af internetsider osv., dvs. til medier, der prim\u00e6rt ses p\u00e5 sk\u00e6rmen.\" class=\"encyclopedia\">D65<\/a> <a href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/normalt-lys\/\" target=\"_self\" title=\"Ved standardlys forst\u00e5s definerede lysforhold, under hvilke beskuerne kan observere og vurdere aftryk eller genstande ensartet. Den vigtigste standardbelysning er D50 for grafikere (farvetemperatur: 5 000 Kelvin).\" class=\"encyclopedia\">Standardlys<\/a> kendt, blev wolframlyskilder hovedsageligt brugt i <a href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/kolorimeter-2\/\" target=\"_self\" title=\"Apparater til m\u00e5ling af en farves kromaticitetskoordinat, der hj\u00e6lper med at bestemme farvev\u00e6rdierne for en eksisterende farve.\" class=\"encyclopedia\">Farvem\u00e5ler<\/a>som <a href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/spektrofotometer\/\" target=\"_self\" title=\"Spektrofotometre er farvem\u00e5leinstrumenter af h\u00f8j kvalitet, der kan m\u00e5le og pr\u00e6cist beskrive enhver farve. M\u00e5leapparatet opn\u00e5r dette ved at belyse m\u00e5lefladen med hele spektret af synligt lys. Refleksionsv\u00e6rdierne for bestemte b\u00f8lgel\u00e6ngder giver tilsammen den m\u00e5lte v\u00e6rdi, som ofte udgives i Lab (m\u00e5letilstand frit valgbar fra M0 til M2). De spektrale m\u00e5lev\u00e6rdier kan dog ogs\u00e5 lagres direkte. Proofprintere af h\u00f8j kvalitet har deres egne spektrofotometre til direkte kontrol af printet.\" class=\"encyclopedia\">Spektrofotometer<\/a>n og <a href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/kolorimeter-3\/\" target=\"_self\" title=\"Et farvem\u00e5ler til m\u00e5ling\/ sammenligning af farver. Det bruges ofte til at kalibrere sk\u00e6rme eller til analyser inden for biologi\/kemi. Mere avancerede apparater som f.eks. spektrofotometeret kan m\u00e5le farverne spektralt og anvendes ogs\u00e5 til korrekturpr\u00f8vning for bl.a. at kontrollere eller kalibrere printere.\" class=\"encyclopedia\">Farvem\u00e5ler<\/a>n anvendes. I dag bruges LED-lyskilder overvejende til b\u00e5de standardlys og farvem\u00e5ling, da de er lettere at justere spektralt og ofte giver et mere harmonisk lys.<a href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/spektrum\/\" target=\"_self\" title='I kolorimetri refererer udtrykket &quot;spektrum&quot; til alle farver i omr\u00e5det for synligt lys. Spektret af synligt lys sp\u00e6nder fra ca. 380 nanometer (nm) til 750 nm. Det omfatter de forskellige nuancer, vi kan opfatte, n\u00e5r lyset brydes gennem et prisme eller reflekteres fra et optisk medium som f.eks. en sk\u00e6rm....' class=\"encyclopedia\">spektrum<\/a> i s\u00e6rdeleshed som <a href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/neonlys\/\" target=\"_self\" title='Neonlys er ofte uegnet til farvevurdering, fordi det producerer et &quot;diskontinuerligt&quot; og spektralt meget forvr\u00e6nget lysspektrum: Diskontinuerligt spektrum: Neonlys udsender lys i diskrete linjer i spektret i stedet for at producere et kontinuerligt spektrum som naturligt sollys. Det betyder, at visse b\u00f8lgel\u00e6ngder mangler, hvilket kan f\u00f8re til farveforvr\u00e6ngning og un\u00f8jagtig farveopfattelse. Spektrale forvr\u00e6ngninger: P\u00e5 grund af den uj\u00e6vne...' class=\"encyclopedia\">Neonlys<\/a>.<\/p>\n<p>I moderne standardiseret belysning er det ikke kun muligt at ops\u00e6tte standardiseret lys for \u00e9n type lys, s\u00e5som D50, men ogs\u00e5 at simulere D50, D65, gl\u00f8delys og meget mere ved hj\u00e6lp af flere spektralt forskellige LED-linjer ved at d\u00e6mpe og blande spektrene forskelligt i \u00e9n lampe. Desuden kan LED-armaturerne ofte d\u00e6mpes, hvilket ikke var muligt med neonr\u00f8r.<\/p>\n<p>LED-lyskilder bruges ogs\u00e5 i m\u00e5leinstrumenter, hvor der ofte bruges flere LED-enheder, ofte ogs\u00e5 en til UV-lys, for at opn\u00e5 en d<a href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/efi\/\" target=\"_self\" title=\"Electronics For Imaging Inc. er en amerikansk virksomhed og producent af et af verdens f\u00f8rende proofing-systemer: EFI Colorproof XF, siden 2013: Fiery XF. EFI er en leverand\u00f8r af l\u00f8sninger til store tryksystemer, RIP&#039;er og farveh\u00e5ndteringsl\u00f8sninger som f.eks. proofing.\" class=\"encyclopedia\">efi<\/a>UV-indhold i lyset.<\/p>\n<p>Det, branchen stadig venter p\u00e5, er omkostningseffektive LED-eftermonteringsl\u00f8sninger til standardlys, men det kommer n\u00e6ppe til at vare l\u00e6nge. Da de store spillere som f.eks. <a href=\"https:\/\/www.just-normlicht.com\/en\/index.html\" target=\"_blank\" rel=\"noopener\">JUST Standardlys<\/a> og <a href=\"https:\/\/www.gti-normlicht.com\" target=\"_blank\" rel=\"noopener\">GTI<\/a> dominerer markedet, har man hidtil kun tilbudt dyre eftermonteringer af hele belysningsenheden i stedet for at fjerne de gamle neonr\u00f8r og erstatte dem med nye LED-r\u00f8r i det samme hus. Omkostningerne til <a href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/bare\/\" target=\"_self\" title=\"Just Normlicht GmbH er den mest kendte producent af standardbelysningsl\u00f8sninger inden for trykkerisektoren.\" class=\"encyclopedia\">JUST<\/a> Udskiftning af en lille standardiseret belysningsenhed med fire r\u00f8r koster flere tusinde euro, da der skal bruges en helt ny enhed, og den gamle skal bortskaffes. Til nye standardbelysningsl\u00f8sninger bruger specialiserede mindre virksomheder som f.eks. <a title=\"LED-standardlys fra Lacunasolutions\" href=\"https:\/\/lacunasolutions.com\/state-of-the-art-led-normlicht\/\" target=\"_blank\" rel=\"noopener\">Lacuna Solutions tilbyder moderne og innovative, styrbare standardarmaturer.<\/a><\/p>\n<p>I dag er LED-lyskilder med et farvegengivelsesindeks p\u00e5 over 98 imidlertid ogs\u00e5 tilg\u00e6ngelige p\u00e5 markedet, s\u00e5 det synes kun at v\u00e6re et sp\u00f8rgsm\u00e5l om tid, f\u00f8r LED-eftermonteringsl\u00f8sninger til D50- og D65-standardlys ogs\u00e5 vil v\u00e6re tilg\u00e6ngelige her til slank udskiftning af gamle standardlysr\u00f8r, mens reflektorerne bevares.<\/p>","protected":false},"excerpt":{"rendered":"<p>En LED er en \"light-emitting diode\" og st\u00e5r i den grafiske branche for det nye \"LED\"-lys, som har erstattet \u00e6ldre lyskilder som neonr\u00f8r og wolframlamper. Neonr\u00f8r er hovedsageligt kendt fra omr\u00e5det med D50- eller D65-standardlys, mens wolframlyskilder hovedsageligt blev brugt i farvem\u00e5leapparater som spektrofotometre og kolorimetre. I dag bruges LED-lyskilder overvejende til b\u00e5de standardlys og farvem\u00e5lingslys, da de kan tilpasses bedre spektralt og ofte udsender et mere harmonisk lysspektrum, is\u00e6r end neonlys. I moderne standardlys er der ... <\/p>\n<p class=\"read-more-container\"><a title=\"LED\" class=\"read-more button\" href=\"https:\/\/proof.proofen.de\/da\/leksikon-4\/led\/#more-5714\" aria-label=\"Read more about LED\">L\u00e6s mere her<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-5714","encyclopedia","type-encyclopedia","status-publish","hentry","no-featured-image-padding"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Eine LED ist eine &quot;Licht emittierende Diode&quot; und steht f\u00fcr das neue &quot;LED&quot;-Licht, das Neonr\u00f6hren f\u00fcr Normlicht und Tungsten Lampen in Farbmessger\u00e4ten ersetzt.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Matthias Betz\"\/>\n\t<meta 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