{"id":12578,"date":"2023-08-25T14:10:43","date_gmt":"2023-08-25T14:10:43","guid":{"rendered":"https:\/\/www2.iled-lights.com\/?p=12578"},"modified":"2023-08-25T14:11:06","modified_gmt":"2023-08-25T14:11:06","slug":"what-are-the-important-parameters-of-the-led-chips","status":"publish","type":"post","link":"https:\/\/www.iled-lights.com\/sv\/what-are-the-important-parameters-of-the-led-chips-a2.html","title":{"rendered":"Vilka \u00e4r de viktiga parametrarna f\u00f6r LED-chip"},"content":{"rendered":"<p>N\u00e4r vi k\u00f6per LED-lampor, LED-sk\u00e4rmar eller andra ljusarmaturer t\u00e4nker vi f\u00f6rst p\u00e5 vilka LED-chip som \u00e4r viktigast, och vilka chip som \u00e4r bra och vilka som \u00e4r d\u00e5liga? Vi listar de viktiga parametrarna f\u00f6r LED-chip som referens f\u00f6r dig:<\/p>\n<figure id=\"attachment_12579\" aria-describedby=\"caption-attachment-12579\" style=\"width: 794px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-12579\" src=\"https:\/\/www2.iled-lights.com\/http:\/\/www2.iled-lights.com\/wp-content\/uploads\/2023\/08\/3.jpg\" alt=\"DIP kontra SMD-struktur\" width=\"794\" height=\"446\" srcset=\"https:\/\/www.iled-lights.com\/wp-content\/uploads\/2023\/08\/3.jpg 794w, https:\/\/www.iled-lights.com\/wp-content\/uploads\/2023\/08\/3-300x169.jpg 300w, https:\/\/www.iled-lights.com\/wp-content\/uploads\/2023\/08\/3-768x431.jpg 768w, https:\/\/www.iled-lights.com\/wp-content\/uploads\/2023\/08\/3-18x10.jpg 18w\" sizes=\"auto, (max-width: 794px) 100vw, 794px\" \/><figcaption id=\"caption-attachment-12579\" class=\"wp-caption-text\">DIP kontra SMD-struktur<\/figcaption><\/figure>\n<p><strong>1. En fram\u00e5tg\u00e5ende str\u00f6m IF:<\/strong><br \/>\nDet syftar p\u00e5 den normala ljusstyrkan hos ledets fram\u00e5tg\u00e5ende str\u00f6mv\u00e4rde. Vid praktisk anv\u00e4ndning b\u00f6r ett IF under 0,6 IFm v\u00e4ljas.<br \/>\n<strong>2. Fram\u00e5tg\u00e5ende sp\u00e4nning VF:<\/strong><br \/>\nDriftsp\u00e4nningen anges i parameterlistan vid en given fram\u00e5tg\u00e5ende str\u00f6m. Den m\u00e4ts generellt vid IF = 20 mA. Ledets fram\u00e5tg\u00e5ende sp\u00e4nning VF \u00e4r 1,4 ~~ 3 V. VF minskar n\u00e4r den yttre temperaturen stiger.<br \/>\n<strong>3. Str\u00f6m-sp\u00e4nning-karakteristika:<\/strong><br \/>\nRelationen mellan sp\u00e4nning och str\u00f6m f\u00f6r ljusdioder: den fram\u00e5tsp\u00e4nning \u00e4r mindre \u00e4n ett visst v\u00e4rde (kallad tr\u00f6skel), str\u00f6mmen \u00e4r mycket liten, ej lysande. N\u00e4r sp\u00e4nningen \u00f6verskrider ett visst v\u00e4rde, \u00f6kar fram\u00e5tstr\u00f6mmen med sp\u00e4nning snabbt, ljus.<br \/>\n<strong>4. Ljusstyrka IV:<\/strong><br \/>\nLjusdioders ljusstyrka \u00e4r vanligtvis fingerringlinie (cylindrisk LED ljusstyrka p\u00e5 dess axel) riktning. I str\u00e5lning intensitet riktning (1\/683) W \/ sr, den lysande en candela (symbol cd). L\u00e5gintensitet av den generella LED ljusdioder, vanligtvis ljusstyrka (candela mcd) enheter.<br \/>\n<strong>5. LED:s emissionsvinkel:<\/strong><br \/>\n-90 \u00b0  90 \u00b0<br \/>\n<strong>6. Spektral halvbredd \u0394 \u03bb:<\/strong><br \/>\nDet indikerar ljusr\u00f6rets spektral renhet.<br \/>\n<strong>7. Halvintensitetsvinkel \u03b81 \/ 2 och perspektiv:<\/strong><br \/>\n\u03b81 \/ 2 \u00e4r vinkeln mellan ljusstyrka v\u00e4rdet av axial intensitet halva v\u00e4rdet riktning av den ljus-emitterande axel (normal).<br \/>\n<strong>8. Full shape:<\/strong><br \/>\nLED ljusutstr\u00e5lningens fasta h\u00f6rnkonvertering punkt, \u00e4ven kallad planh\u00f6rnet.<br \/>\n<strong>9. Perspektiv:<\/strong><br \/>\nSyftar p\u00e5 det maximala vinkeln f\u00f6r LED-ljus, beroende p\u00e5 det olika perspektivet och olika till\u00e4mpningar, ocks\u00e5 k\u00e4nt som ljusstyrkev\u00e4v.<br \/>\n<strong>10. Halvbredd:<\/strong><br \/>\nVinkeln mellan metoden och 0\u00b0 och den maximala ljusstyrkev\u00e4rdet \/ 2. Strikt sett \u00e4r det den maximala ljusstyrkev\u00e4rdet och den maximala ljusstyrkev\u00e4rdet \/ 2 som motsvarar vinkeln. LED-packningstekniken leder till att styrkev\u00e4rden inte \u00e4r lagen f\u00f6r den maximala ljusutstr\u00e5lningsvinkeln till 0\u00b0, inkommande avvikelsevinkel syftar p\u00e5 perspektivet och metoden den maximala ljusstyrkev\u00e4rdet som motsvarar vinkeln mellan 0\u00b0.<br \/>\n<strong>11. Maximal forward DC-str\u00f6m IFm:<\/strong><br \/>\nTill\u00e5ten st\u00f6rsta positiv DC-str\u00f6m. \u00d6ver denna v\u00e4rde kan skada dioden.<br \/>\n<strong>12. Maximal sp\u00e4nning VRm:<\/strong><br \/>\nTill\u00e5ten att \u00f6ka den maximala sp\u00e4nningsbr\u00e4ckt. \u00d6verskrider denna v\u00e4rde, kan ljusdioden br\u00e4cka.<br \/>\n<strong>13. Arbetsmilj\u00f6 Tm:<\/strong><br \/>\nLED:er f\u00f6r en arbetsomgivnings temperaturintervall. Under eller \u00f6ver detta temperaturintervall kommer LED:er inte att fungera korrekt, och verkningsgraden \u00e4r kraftigt reducerad.<br \/>\n<strong>14. Till\u00e5ten effekt PM:<\/strong><br \/>\nTill\u00e5ter addition av LED:er vid b\u00e5da \u00e4ndar av en positiv liksp\u00e4nning och den genomfl\u00f6dande maximala str\u00f6mprodukten. Om det \u00f6verskrider detta v\u00e4rde, v\u00e4rms LED:er upp, skadas.<\/p>","protected":false},"excerpt":{"rendered":"<p>When we purchase LED lamps, LED display or any LED light fixtures, at first we will think about the most important of the LED chips used, and which chips are good, which are bad? We list the important parameters of the LED chips for your reference: 1. A forward operating current IF: It refers to [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":12579,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12578","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-blog"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/posts\/12578","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/comments?post=12578"}],"version-history":[{"count":2,"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/posts\/12578\/revisions"}],"predecessor-version":[{"id":12582,"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/posts\/12578\/revisions\/12582"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/media\/12579"}],"wp:attachment":[{"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/media?parent=12578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/categories?post=12578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iled-lights.com\/sv\/wp-json\/wp\/v2\/tags?post=12578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}