{"id":1970,"date":"2020-08-21T01:43:56","date_gmt":"2020-08-20T23:43:56","guid":{"rendered":"https:\/\/cre.science\/?p=1970"},"modified":"2020-10-20T11:53:18","modified_gmt":"2020-10-20T09:53:18","slug":"gh-cssrm424-hyper-red-oslon-square-660-nm","status":"publish","type":"post","link":"https:\/\/cre.science\/en\/gh-cssrm424-hyper-red-oslon-square-660-nm\/","title":{"rendered":"GH CSSRM4.24 - Efficiency record with Hyper Red Osram Square LEDs on the APEXengine"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Osram achieves a new efficiency record with its 660 nm \"Hyper Red\" diodes. Beyond 4.5 \u00b5mol\/J, the <a href=\"https:\/\/www.osram.de\/os\/applications\/horticulture-lighting\/index.jsp\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">third generation Oslon Square<\/a> - the GH CSSRM4.24 (<a href=\"https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/GH-CSSRM4.24_EN.pdf\">Data sheet<\/a>) above the competition from Cree and Samsung.<\/p>\n<p>The most recent <a href=\"https:\/\/cre.science\/produkt\/apexengine-660l-kopie\/\">APEXengine 660 Mk II<\/a> now relies on these highly efficient LED chips.<\/p>\n<p>\u00a0<\/p>\n\t\t\n\t\t\t<h2>LEDs with 660 nm are the kings of efficiency<\/h2>\t\t\n\t\t<p>The deep red light colour at 660 nm has a physical advantage in terms of efficiency. The <a href=\"https:\/\/cre.science\/wissen\/pflanzenbeleuchtung-in-zahlen\/\">Unit of measurement PAR<\/a> is in fact based on the counting of <strong>Photons<\/strong> in the 400 - 700 nm range.\u00a0<\/p>\t\t\n\t\t\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/commons.wikimedia.org\/wiki\/File:EV_to_nm_vis.png\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"300\" height=\"211\" src=\"https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/EV_to_nm_vis-300x211.png\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/EV_to_nm_vis-300x211.png 300w, https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/EV_to_nm_vis-1024x719.png 1024w, https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/EV_to_nm_vis-768x539.png 768w, https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/EV_to_nm_vis-1536x1078.png 1536w, https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/EV_to_nm_vis-2048x1438.png 2048w, https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/EV_to_nm_vis-600x421.png 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" title=\"\">\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption>Graphic: Wikimedia Commons<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t<p>Longer-wave red light is not as energetic as blue or even UV radiation. This means that less energy is needed to emit a red photon.<\/p><p>For this reason in particular - and because light in the red spectrum plays an important role in the flowering phase and photomorphogetic effects - red light is the preferred light for plant lighting.<\/p>\n<p>\u00a0<\/p>\t\t\n\t\t\t<h2>Comparison of the efficiency of current 660 nm LEDs with the GH CSSRM4.24<\/h2>\t\t\n\t\t<p>Many LED semiconductor manufacturers provide data on the efficiency of red LEDs. The photosynthetic photon efficiency (PPE) is given in \u00b5mol\/J and describes how many photons are emitted in the range of 400 - 700 nm per applied energy.<\/p>\n<p>In the current comparison, Osram is at the top with the GH CSSRM4.24 (as of October 2020).<\/p>\t\t\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"962\" height=\"703\" src=\"https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/660nm_LED_Ranking_Update-10_2020.png\" alt=\"Horticulture LED Efficacy Ranking\" loading=\"lazy\" srcset=\"https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/660nm_LED_Ranking_Update-10_2020.png 962w, https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/660nm_LED_Ranking_Update-10_2020-300x219.png 300w, https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/660nm_LED_Ranking_Update-10_2020-768x561.png 768w, https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/660nm_LED_Ranking_Update-10_2020-16x12.png 16w, https:\/\/cre.science\/wp-content\/uploads\/2020\/08\/660nm_LED_Ranking_Update-10_2020-600x438.png 600w\" sizes=\"auto, (max-width: 962px) 100vw, 962px\" title=\"\">\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t<h2>Oslon Square LED - 2 mm\u00b2 chip for best energy yield<\/h2>\t\t\n\t\t<p>In the Oslon Square series, Osram is using larger LED chips than usual to achieve the impressive performance figures. The Oslon Square Hyper Red LED has been available with a 2 mm\u00b2 chip (\"Die\") since the end of 2017. The third generation since the GH CSSRM4.24 now has a power output of over 75 %. <\/p>\t\t\n\t\t\t<h2>LED plant lamps with over 3.0 \u00b5mol\/J possible<\/h2>\t\t\n\t\t<p>Thanks to this development, system efficiencies above 3.0 \u00b5mol\/J are no longer a pipe dream. The system efficiency also takes into account driver and optical losses. Commercial LED grow lamps of well-known manufacturers are recently offered with very high efficiencies of about 2.7-2.8 \u00b5mol\/J.<\/p>\n<p>Crescience offers with the APEXengine 660 Mk II an easy to handle LED module with Osram GH CSSRM4.24. In combination with <a href=\"https:\/\/cre.science\/fluxengine\/\">FLUXengine<\/a> and modern Mean Well <a href=\"https:\/\/cre.science\/wissen\/led-treiber\/\">drivers<\/a> plant lamps with system efficiencies above 3.0 \u00b5mol\/J can be constructed.<\/p>\t\t\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"579\" src=\"https:\/\/cre.science\/wp-content\/uploads\/2020\/05\/APEX_hand-768x579.png\" alt=\"APEXengine improve LED spectrum for plants\" loading=\"lazy\" srcset=\"https:\/\/cre.science\/wp-content\/uploads\/2020\/05\/APEX_hand-768x579.png 768w, https:\/\/cre.science\/wp-content\/uploads\/2020\/05\/APEX_hand-300x226.png 300w, https:\/\/cre.science\/wp-content\/uploads\/2020\/05\/APEX_hand-600x452.png 600w, https:\/\/cre.science\/wp-content\/uploads\/2020\/05\/APEX_hand.png 900w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" title=\"\">","protected":false},"excerpt":{"rendered":"<p>With the Hyper Red Oslon Square LED GH CSSRM4.24, Osram is setting a new efficiency record. With this new LED, the APEXengine achieves more than 4.5 \u00b5mol\/J!<\/p>","protected":false},"author":1516,"featured_media":1984,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[90,94,93],"tags":[],"class_list":["post-1970","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pflanzenbeleuchtung","category-produkte","category-technologie"],"_links":{"self":[{"href":"https:\/\/cre.science\/en\/wp-json\/wp\/v2\/posts\/1970","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cre.science\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cre.science\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cre.science\/en\/wp-json\/wp\/v2\/users\/1516"}],"replies":[{"embeddable":true,"href":"https:\/\/cre.science\/en\/wp-json\/wp\/v2\/comments?post=1970"}],"version-history":[{"count":0,"href":"https:\/\/cre.science\/en\/wp-json\/wp\/v2\/posts\/1970\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cre.science\/en\/wp-json\/wp\/v2\/media\/1984"}],"wp:attachment":[{"href":"https:\/\/cre.science\/en\/wp-json\/wp\/v2\/media?parent=1970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cre.science\/en\/wp-json\/wp\/v2\/categories?post=1970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cre.science\/en\/wp-json\/wp\/v2\/tags?post=1970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}