{"id":3154,"date":"2025-08-26T06:03:19","date_gmt":"2025-08-26T06:03:19","guid":{"rendered":"https:\/\/pergolalights.net\/?p=3154"},"modified":"2026-04-03T08:29:42","modified_gmt":"2026-04-03T08:29:42","slug":"dual-color-temperature-leds-color-quality-decrease","status":"publish","type":"post","link":"https:\/\/pergolalights.net\/pt\/dual-color-temperature-leds-color-quality-decrease\/","title":{"rendered":"Por que a reprodu\u00e7\u00e3o e a qualidade das cores diminuem quando os LEDs de temperatura dupla s\u00e3o configurados para metade do brilho?"},"content":{"rendered":"<div class=\"row align-center\"  id=\"row-748942292\">\n\n\t<div id=\"col-1153010084\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-2080209730\" class=\"text\">\n\t\t\n<p>No sector da ilumina\u00e7\u00e3o, o \u201cajuste duplo da temperatura da cor\u201d \u00e9 h\u00e1 muito um lugar-comum. Quer seja em escrit\u00f3rios, hot\u00e9is ou salas de estar, a capacidade de alternar livremente entre branco quente e branco frio parece ter-se tornado uma carater\u00edstica padr\u00e3o da ilumina\u00e7\u00e3o inteligente.<\/p>\n\t\t\n<style>\n#text-2080209730 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-2080209730 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-174027399\">\n\n\t<div id=\"col-1604042475\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_807866430\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Room_color_temperature-1.webp\" class=\"attachment-original size-original\" alt=\"Room_color_temperature\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Room_color_temperature-1.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Room_color_temperature-1-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Room_color_temperature-1-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Room_color_temperature-1-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Room_color_temperature-1-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Room_color_temperature-1-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Room_color_temperature-1-18x12.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_807866430 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-6441984\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_665061987\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_color_temperatures_of_lights_and_their_colors.webp\" class=\"attachment-original size-original\" alt=\"Different_color_temperatures_of_lights_and_their_colors\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_color_temperatures_of_lights_and_their_colors.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_color_temperatures_of_lights_and_their_colors-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_color_temperatures_of_lights_and_their_colors-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_color_temperatures_of_lights_and_their_colors-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_color_temperatures_of_lights_and_their_colors-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_color_temperatures_of_lights_and_their_colors-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_color_temperatures_of_lights_and_their_colors-18x12.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_665061987 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"text-3707249346\" class=\"text\">\n\t\t\n<p>No entanto, muitos designers e utilizadores acham que quando a temperatura da cor \u00e9 definida para um valor interm\u00e9dio, algo parece \u201cdesligado\u201d - algumas luzes mostram uma diminui\u00e7\u00e3o not\u00e1vel na reprodu\u00e7\u00e3o de cores, enquanto outras assumem uma tonalidade rosada ou esverdeada.<\/p>\n\t\t\n<style>\n#text-3707249346 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-3707249346 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-667258220\">\n\n\t<div id=\"col-6949953\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_631357568\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"983\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/The_different_color_temperatures_of_the_lights.webp\" class=\"attachment-original size-original\" alt=\"The_different_color_temperatures_of_the_lights\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/The_different_color_temperatures_of_the_lights.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/The_different_color_temperatures_of_the_lights-510x251.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/The_different_color_temperatures_of_the_lights-800x393.webp 800w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/The_different_color_temperatures_of_the_lights-1400x688.webp 1400w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/The_different_color_temperatures_of_the_lights-768x377.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/The_different_color_temperatures_of_the_lights-1536x755.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/The_different_color_temperatures_of_the_lights-18x9.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_631357568 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-644947346\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1254212043\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"983\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_colors_of_light.webp\" class=\"attachment-original size-original\" alt=\"Different_colors_of_light\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_colors_of_light.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_colors_of_light-510x251.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_colors_of_light-800x393.webp 800w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_colors_of_light-1400x688.webp 1400w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_colors_of_light-768x377.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_colors_of_light-1536x755.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Different_colors_of_light-18x9.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1254212043 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1844342517\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"510\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/both_Ra_and_R9_decrease_significantly.webp\" class=\"attachment-original size-original\" alt=\"both_Ra_and_R9_decrease_significantly\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/both_Ra_and_R9_decrease_significantly.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/both_Ra_and_R9_decrease_significantly-510x130.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/both_Ra_and_R9_decrease_significantly-800x204.webp 800w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/both_Ra_and_R9_decrease_significantly-1400x357.webp 1400w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/both_Ra_and_R9_decrease_significantly-768x196.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/both_Ra_and_R9_decrease_significantly-1536x392.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/both_Ra_and_R9_decrease_significantly-18x5.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1844342517 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-3324804243\" class=\"text\">\n\t\t\n<p>Figura: Ap\u00f3s o escurecimento misto de LEDs de temperatura de duas cores com CRI elevado, tanto Ra como R9 diminuem significativamente.<\/p>\n<p>\u00a0<\/p>\n\t\t\n<style>\n#text-3324804243 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-3324804243 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-4228801793\" class=\"text\">\n\t\t\n<p>N\u00e3o se trata de uma ilus\u00e3o, mas sim do resultado inevit\u00e1vel do princ\u00edpio de ilumina\u00e7\u00e3o mista LED de temperatura de duas cores. Este artigo utilizar\u00e1 a l\u00f3gica t\u00e9cnica mais rigorosa para o ajudar a compreender as raz\u00f5es subjacentes a este fen\u00f3meno e fornecer\u00e1 recomenda\u00e7\u00f5es profissionais para a sua melhoria.<\/p>\n\t\t\n<style>\n#text-4228801793 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-4228801793 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-511097493\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-511097493 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-72086004\">\n\n\t<div id=\"col-1071502807\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\" style=\"background-color:#bc7d4a;\" >\n\t\t\t\n\t\t\t\n\t<div id=\"text-4256436140\" class=\"text\">\n\t\t\n<h2><strong><b>1. <\/b><\/strong><b><\/b><strong><b>A linguagem cient\u00edfica da qualidade da luz<\/b><\/strong><\/h2>\n\t\t\n<style>\n#text-4256436140 {\n  font-size: 0.75rem;\n  color: rgb(255, 255, 255);\n}\n#text-4256436140 > * {\n  color: rgb(255, 255, 255);\n}\n@media (min-width:550px) {\n  #text-4256436140 {\n    font-size: 1.1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1071502807 > .col-inner {\n  padding: 60px 0px 48px 0px;\n  border-radius: 7px;\n}\n<\/style>\n\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"text-4168668583\" class=\"text\">\n\t\t\n<p>Antes de discutir a consist\u00eancia da ilumina\u00e7\u00e3o mista de duas cores e temperatura, devemos primeiro estabelecer uma \u201clinguagem \u00f3tica\u201d comum, incluindo:<\/p>\n<p>Distribui\u00e7\u00e3o da pot\u00eancia espetral (SPD) - A \u201cimpress\u00e3o digital\u201d de uma fonte de luz, que determina todas as carater\u00edsticas, como a temperatura da cor e a restitui\u00e7\u00e3o da cor.<\/p>\n<ul>\n<li>A luz incandescente tem um espetro cont\u00ednuo e suave, enquanto o SPD dos LED brancos \u00e9 composto por pastilhas de luz azul e f\u00f3sforos, apresentando normalmente um pico azul acentuado e bandas amarelas\/vermelhas segmentadas.<\/li>\n<li>Num sistema de temperatura de duas cores, as diferen\u00e7as de SPD entre o branco quente (por exemplo, 2700K) e o branco frio (por exemplo, 6500K) s\u00e3o significativas e a sua mistura resulta inevitavelmente num novo perfil espetral.<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n\t\t\n<style>\n#text-4168668583 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-4168668583 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-3195184210\" class=\"text\">\n\t\t\n<h3><strong><b>\u00cdndice de restitui\u00e7\u00e3o de cor (CRI, TM-30)<\/b><\/strong><\/h3>\n\t\t\n<style>\n#text-3195184210 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-3195184210 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-4156585194\" class=\"text\">\n\t\t\n<ul>\n<li>CRI Ra: Um padr\u00e3o reconhecido internacionalmente e utilizado h\u00e1 d\u00e9cadas, mas que avalia apenas oito amostras de cores de teste de baixa satura\u00e7\u00e3o, o que o torna suscet\u00edvel de \u201cotimiza\u00e7\u00e3o\u201d que resulta em valores num\u00e9ricos elevados mas numa reprodu\u00e7\u00e3o de cores real deficiente.<\/li>\n<li>R9: \u00cdndice de reprodu\u00e7\u00e3o de cor vermelha saturada, cr\u00edtico para tons de pele, madeira e carne. As fontes de luz com Ra elevado mas R9 baixo fazem com que as cores pare\u00e7am acinzentadas.<\/li>\n<\/ul>\n\t\t\n<style>\n#text-4156585194 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-4156585194 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1505881037\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_Rendering_Index.webp\" class=\"attachment-original size-original\" alt=\"Color_Rendering_Index\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_Rendering_Index.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_Rendering_Index-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_Rendering_Index-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_Rendering_Index-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_Rendering_Index-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_Rendering_Index-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_Rendering_Index-18x12.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1505881037 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-3452822890\" class=\"text\">\n\t\t\n<ul>\n<li>TM-30: Uma vers\u00e3o actualizada lan\u00e7ada pelo IES North America, que acrescenta indicadores duplos de Rf (fidelidade) e Rg (satura\u00e7\u00e3o) e utiliza diagramas vectoriais de cor para apresentar visualmente a dire\u00e7\u00e3o e a magnitude do desvio da cor, proporcionando uma avalia\u00e7\u00e3o mais abrangente do que o CRI.<\/li>\n<\/ul>\n\t\t\n<style>\n#text-3452822890 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-3452822890 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-2005878173\">\n\n\t<div id=\"col-541624304\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_906041081\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/99-Color-Evaluation-Samples.webp\" class=\"attachment-original size-original\" alt=\"99 Color Evaluation Samples\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/99-Color-Evaluation-Samples.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/99-Color-Evaluation-Samples-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/99-Color-Evaluation-Samples-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/99-Color-Evaluation-Samples-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/99-Color-Evaluation-Samples-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/99-Color-Evaluation-Samples-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/99-Color-Evaluation-Samples-18x12.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_906041081 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1232974794\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1102285697\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Chromaticity_Coordinates_ofthe_99_Samples.webp\" class=\"attachment-original size-original\" alt=\"Chromaticity_Coordinates_ofthe_99_Samples\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Chromaticity_Coordinates_ofthe_99_Samples.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Chromaticity_Coordinates_ofthe_99_Samples-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Chromaticity_Coordinates_ofthe_99_Samples-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Chromaticity_Coordinates_ofthe_99_Samples-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Chromaticity_Coordinates_ofthe_99_Samples-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Chromaticity_Coordinates_ofthe_99_Samples-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Chromaticity_Coordinates_ofthe_99_Samples-18x12.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1102285697 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"gap-640559014\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-640559014 {\n  padding-top: 50px;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-2101892472\" class=\"text\">\n\t\t\n<h3><strong><b>Diferen\u00e7a de cor (SDCM) e elipse de MacAdam<\/b><\/strong><\/h3>\n\t\t\n<style>\n#text-2101892472 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-2101892472 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-1156597194\" class=\"text\">\n\t\t\n<ul>\n<li>Os LEDs do mesmo lote tamb\u00e9m podem ter ligeiras diferen\u00e7as de cor, e o SDCM \u00e9 um indicador que quantifica essa diferen\u00e7a.<\/li>\n<li>A ilumina\u00e7\u00e3o de alta qualidade requer normalmente 2-3 passos de SDCM, mas este \u00e9 apenas um indicador ao n\u00edvel do chip, e a consist\u00eancia do sistema tamb\u00e9m depende da conce\u00e7\u00e3o \u00f3tica e da precis\u00e3o da unidade.<\/li>\n<\/ul>\n\t\t\n<style>\n#text-1156597194 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-1156597194 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1970459775\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1280\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_difference_SDCM_and_MacAdam_ellipse.webp\" class=\"attachment-original size-original\" alt=\"Color_difference_(SDCM)_and_MacAdam_ellipse\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_difference_SDCM_and_MacAdam_ellipse.webp 1920w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_difference_SDCM_and_MacAdam_ellipse-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_difference_SDCM_and_MacAdam_ellipse-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_difference_SDCM_and_MacAdam_ellipse-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_difference_SDCM_and_MacAdam_ellipse-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_difference_SDCM_and_MacAdam_ellipse-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Color_difference_SDCM_and_MacAdam_ellipse-18x12.webp 18w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1970459775 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-1665643960\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1665643960 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-center\"  id=\"row-2064226123\">\n\n\t<div id=\"col-359476582\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner text-center\" style=\"background-color:#bc7d4a;\" >\n\t\t\t\n\t\t\t\n\t<div id=\"text-4011104272\" class=\"text\">\n\t\t\n<h2><strong><b>2. Limita\u00e7\u00f5es geom\u00e9tricas da ilumina\u00e7\u00e3o mista com duas temperaturas de cor.<\/b><\/strong><\/h2>\n\t\t\n<style>\n#text-4011104272 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n  color: rgb(255,255,255);\n}\n#text-4011104272 > * {\n  color: rgb(255,255,255);\n}\n@media (min-width:550px) {\n  #text-4011104272 {\n    font-size: 1.1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-359476582 > .col-inner {\n  padding: 60px 0px 48px 0px;\n  border-radius: 7px;\n}\n<\/style>\n\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-center\"  id=\"row-882997413\">\n\n\t<div id=\"col-975639812\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3839681085\" class=\"text\">\n\t\t\n<p>O sistema de temperatura de cor dupla \u00e9 composto por um canal de branco quente e um canal de branco frio. Ao ajustar a temperatura da cor, os dois SPDs s\u00e3o essencialmente sobrepostos linearmente em r\u00e1cios diferentes.<\/p>\n<p>\u00a0<\/p>\n\t\t\n<style>\n#text-3839681085 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-3839681085 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-2833035224\" class=\"text\">\n\t\t\n<h3><strong><b>A quest\u00e3o<\/b><\/strong><strong><b>s s\u00e3o<\/b><\/strong><strong><b>: \u00a0<\/b><\/strong><\/h3>\n\t\t\n<style>\n#text-2833035224 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-2833035224 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-2692334111\" class=\"text\">\n\t\t\n<ul>\n<li>No diagrama de cromaticidade CIE, a trajet\u00f3ria de cor produzida pela mistura \u00e9 uma linha reta, enquanto a luz branca ideal (trajet\u00f3ria do corpo negro BBL) \u00e9 uma linha curva.<\/li>\n<li>Quando ajustada a uma temperatura de cor interm\u00e9dia, esta linha reta \u201catravessa\u201d inevitavelmente o BBL a partir de baixo, resultando num desvio Duv negativo sistem\u00e1tico, que se manifesta como uma tonalidade rosa ou magenta percet\u00edvel.<\/li>\n<\/ul>\n<p>Isto significa que, mesmo que a temperatura de cor esteja perfeitamente alinhada com o BBL em ambos os pontos finais, o desvio de cor na gama interm\u00e9dia \u00e9 fisicamente inevit\u00e1vel.<\/p>\n\t\t\n<style>\n#text-2692334111 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-2692334111 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-1642018165\">\n\n\t<div id=\"col-1223161059\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1184560633\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/vled-CIE-chromaticity.webp\" class=\"attachment-original size-original\" alt=\"vled CIE chromaticity\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/vled-CIE-chromaticity.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/vled-CIE-chromaticity-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/vled-CIE-chromaticity-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/vled-CIE-chromaticity-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/vled-CIE-chromaticity-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/vled-CIE-chromaticity-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/vled-CIE-chromaticity-18x12.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1184560633 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_222179258\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/DUV_deviation.webp\" class=\"attachment-original size-original\" alt=\"DUV_deviation\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/DUV_deviation.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/DUV_deviation-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/DUV_deviation-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/DUV_deviation-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/DUV_deviation-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/DUV_deviation-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/DUV_deviation-18x12.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_222179258 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-367628542\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_499491324\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/led_color_change.webp\" class=\"attachment-original size-original\" alt=\"led_color_change\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/led_color_change.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/led_color_change-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/led_color_change-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/led_color_change-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/led_color_change-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/led_color_change-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/led_color_change-18x12.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_499491324 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t<div id=\"text-232001138\" class=\"text\">\n\t\t\n<p><strong>Figura: Ilustra\u00e7\u00e3o do desvio do DUV em rela\u00e7\u00e3o \u00e0 curva de converg\u00eancia<\/strong><\/p>\n\t\t\n<style>\n#text-232001138 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-232001138 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-1360292562\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1360292562 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-center\"  id=\"row-325043741\">\n\n\t<div id=\"col-1325586228\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner text-center\" style=\"background-color:#bc7d4a;\" >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3481870914\" class=\"text\">\n\t\t\n<h2><strong><b>3. <\/b><\/strong><strong><b>Porque \u00e9 que a reprodu\u00e7\u00e3o de cores entra em colapso a temperaturas de cor interm\u00e9dias?<\/b><\/strong><\/h2>\n\t\t\n<style>\n#text-3481870914 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n  color: rgb(255,255,255);\n}\n#text-3481870914 > * {\n  color: rgb(255,255,255);\n}\n@media (min-width:550px) {\n  #text-3481870914 {\n    font-size: 1.1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1325586228 > .col-inner {\n  padding: 60px 0px 48px 0px;\n  border-radius: 7px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1494553540\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-739561218\" class=\"text\">\n\t\t\n<p>Em testes reais, o CRI e o Rf dos LEDs de temperatura de duas cores mostram frequentemente uma \u201cqueda\u201d not\u00e1vel na gama m\u00e9dia (3500K~4500K), especialmente com uma queda significativa no R9.<\/p>\n\t\t\n<style>\n#text-739561218 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-739561218 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_481602575\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px 20px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Why_does_color_rendering_collapse_at_intermediate_color_temperatures.webp\" class=\"attachment-original size-original\" alt=\"Why_does_color_rendering_collapse_at_intermediate_color_temperatures\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Why_does_color_rendering_collapse_at_intermediate_color_temperatures.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Why_does_color_rendering_collapse_at_intermediate_color_temperatures-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Why_does_color_rendering_collapse_at_intermediate_color_temperatures-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Why_does_color_rendering_collapse_at_intermediate_color_temperatures-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Why_does_color_rendering_collapse_at_intermediate_color_temperatures-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Why_does_color_rendering_collapse_at_intermediate_color_temperatures-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Why_does_color_rendering_collapse_at_intermediate_color_temperatures-18x12.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_481602575 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1494553540 > .col-inner {\n  margin: 0px 0px -25px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-center\"  id=\"row-1464551144\">\n\n\t<div id=\"col-46783621\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-1995199669\" class=\"text\">\n\t\t\n<p>H\u00e1 tr\u00eas raz\u00f5es: \u00a0<\/p>\n<ol>\n<li><b><\/b><strong><b>Lacunas espectrais:<\/b><\/strong>Os LED brancos quentes e brancos frios t\u00eam os seus pr\u00f3prios pontos fortes e fracos, e mistur\u00e1-los na gama m\u00e9dia pode resultar em \u201cvales\u201d de energia em regi\u00f5es cr\u00edticas como 480-560 nm. \u00a0<\/li>\n<li><b><\/b><strong><b>Falha do metamerismo:<\/b><\/strong>Embora o SPD da luz mista possa atingir a mesma temperatura de cor, \u00e9 completamente diferente do verdadeiro espetro de temperatura de cor \u00fanica, levando \u00e0 distor\u00e7\u00e3o da reprodu\u00e7\u00e3o de cores.<\/li>\n<li><b><\/b><strong><b>O TM-30 revela altera\u00e7\u00f5es de satura\u00e7\u00e3o:<\/b><\/strong>A temperatura de cor de gama m\u00e9dia Rg aumenta frequentemente (sobre-satura\u00e7\u00e3o), tornando as cores mais \u201cvibrantes\u201d, mas reduzindo a fidelidade da cor. Isto pode ser uma vantagem em ambientes de retalho, mas \u00e9 uma falha cr\u00edtica em ambientes de alta fidelidade, como museus e instala\u00e7\u00f5es m\u00e9dicas.<\/li>\n<\/ol>\n\t\t\n<style>\n#text-1995199669 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-1995199669 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-88425095\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-88425095 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-center\"  id=\"row-547013342\">\n\n\t<div id=\"col-1461330182\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner text-center\" style=\"background-color:#bc7d4a;\" >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3400271602\" class=\"text\">\n\t\t\n<h2><strong><b>4. <\/b><\/strong><b><\/b><strong><b> A consist\u00eancia da toler\u00e2ncia de cor n\u00e3o \u00e9 apenas uma quest\u00e3o de classifica\u00e7\u00e3o de aparas<\/b><\/strong><\/h2>\n\t\t\n<style>\n#text-3400271602 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n  color: rgb(255,255,255);\n}\n#text-3400271602 > * {\n  color: rgb(255,255,255);\n}\n@media (min-width:550px) {\n  #text-3400271602 {\n    font-size: 1.1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1461330182 > .col-inner {\n  padding: 60px 0px 48px 0px;\n  border-radius: 7px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-1523168335\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"row\"  id=\"row-1316891790\">\n\n\t<div id=\"col-1612312507\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-2936731411\" class=\"text\">\n\t\t\n<p>Muitas pessoas acreditam que a sele\u00e7\u00e3o de chips LED com um SDCM de 2-3 passos pode garantir a consist\u00eancia da cor do sistema, mas, na realidade, existem tr\u00eas grandes riscos:<\/p>\n<ol>\n<li><strong><b> Conce\u00e7\u00e3o \u00f3tica insuficiente<\/b><\/strong>\u2192 Mistura irregular da luz, resultando em franjas de cor e manchas de cor. \u00a0<\/li>\n<li><strong><b> Precis\u00e3o insuficiente do condutor<\/b><\/strong>\u2192 Desvio do CCT durante o escurecimento, especialmente vis\u00edvel em n\u00edveis de brilho baixos. \u00a0<\/li>\n<li><strong><b> Falta de estabilidade espacial e temporal<\/b><\/strong>\u2192 Aumento das diferen\u00e7as de cor em diferentes \u00e2ngulos e durante per\u00edodos de utiliza\u00e7\u00e3o prolongados.<\/li>\n<\/ol>\n\t\t\n<style>\n#text-2936731411 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-2936731411 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1164132559\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" style=\"margin:0px 0px -30px 0px;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1333\" src=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Lack-of-spatial-and-temporal-stability.webp\" class=\"attachment-original size-original\" alt=\"Lack of spatial and temporal stability\" srcset=\"https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Lack-of-spatial-and-temporal-stability.webp 2000w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Lack-of-spatial-and-temporal-stability-510x340.webp 510w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Lack-of-spatial-and-temporal-stability-600x400.webp 600w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Lack-of-spatial-and-temporal-stability-1200x800.webp 1200w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Lack-of-spatial-and-temporal-stability-768x512.webp 768w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Lack-of-spatial-and-temporal-stability-1536x1024.webp 1536w, https:\/\/pergolalights.net\/wp-content\/uploads\/2025\/08\/Lack-of-spatial-and-temporal-stability-18x12.webp 18w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1164132559 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1020874776\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1020874776 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-1440054106\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1440054106 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1523168335 > .col-inner {\n  margin: 0px 0px -25px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n\t<div id=\"col-992609173\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner text-center\" style=\"background-color:#bc7d4a;\" >\n\t\t\t\n\t\t\t\n\t<div id=\"text-1021469273\" class=\"text\">\n\t\t\n<h2><strong>5. <\/strong><b><\/b><strong><b>Como ultrapassar os limites da temperatura de cor dupla?<\/b><\/strong><\/h2>\n\t\t\n<style>\n#text-1021469273 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n  color: rgb(255,255,255);\n}\n#text-1021469273 > * {\n  color: rgb(255,255,255);\n}\n@media (min-width:550px) {\n  #text-1021469273 {\n    font-size: 1.1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-992609173 > .col-inner {\n  padding: 60px 0px 48px 0px;\n  border-radius: 7px;\n}\n<\/style>\n\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-center\"  id=\"row-855370634\">\n\n\t<div id=\"col-1554492885\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-2916078089\" class=\"text\">\n\t\t\n<p>Para resolver fundamentalmente o problema da restitui\u00e7\u00e3o da cor e da consist\u00eancia da toler\u00e2ncia da cor, a ind\u00fastria come\u00e7ou a adotar uma estrat\u00e9gia de ajuste espetral multicanal:<\/p>\n\t\t\n<style>\n#text-2916078089 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-2916078089 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-841606729\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-841606729 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-808939281\" class=\"text\">\n\t\t\n<ul>\n<li><b><\/b><strong><b>Tr\u00eas canais: <\/b><\/strong>A adi\u00e7\u00e3o de branco neutro entre o branco quente e o branco frio melhora significativamente o desvio Duv.<\/li>\n<li><b><\/b><strong><b>Quatro\/cinco canais (RGBW, RGBAW):<\/b><\/strong>Introduzindo cores prim\u00e1rias independentes, como o vermelho, o verde, o azul e o \u00e2mbar, o algoritmo pode otimizar o SPD em condi\u00e7\u00f5es de metamerismo, conseguindo:<\/li>\n<\/ul>\n<p><strong><b>~<\/b><\/strong>\u00a0Correspond\u00eancia BBL de gama completa (Duv \u2248 0);<\/p>\n<p><strong><b>~<\/b><\/strong>\u00a0Temperatura de cor total, elevada restitui\u00e7\u00e3o de cor (Ra &gt; 90, R9 &gt; 90);<\/p>\n<p><strong><b>~<\/b><\/strong>\u00a0Continuidade espetral control\u00e1vel, suportando ilumina\u00e7\u00e3o centrada no ser humano, melhoramento de cores espec\u00edficas e outras aplica\u00e7\u00f5es.<\/p>\n<p>Embora os sistemas multicanal tenham custos e complexidade de controlo mais elevados, s\u00e3o a \u00fanica solu\u00e7\u00e3o capaz de satisfazer simultaneamente os elevados requisitos de reprodu\u00e7\u00e3o e consist\u00eancia da cor em aplica\u00e7\u00f5es de ilumina\u00e7\u00e3o topo de gama e de cor cr\u00edtica.<\/p>\n\t\t\n<style>\n#text-808939281 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-808939281 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-22146135\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-22146135 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1134660217\">\n\n\t<div id=\"col-2010778648\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"row align-center\"  id=\"row-316849927\">\n\n\t<div id=\"col-45327734\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner text-center\" style=\"background-color:#bc7d4a;\" >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3329761955\" class=\"text\">\n\t\t\n<h2><strong><b>6. <\/b><\/strong><strong><b>Para designers e compradores: Veja mais do que apenas CRI e SDCM.<\/b><\/strong><\/h2>\n\t\t\n<style>\n#text-3329761955 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n  color: rgb(255,255,255);\n}\n#text-3329761955 > * {\n  color: rgb(255,255,255);\n}\n@media (min-width:550px) {\n  #text-3329761955 {\n    font-size: 1.1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-45327734 > .col-inner {\n  padding: 60px 0px 48px 0px;\n  border-radius: 7px;\n}\n<\/style>\n\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1220220092\">\n\n\t<div id=\"col-925200863\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<div class=\"row align-center\"  id=\"row-115078854\">\n\n\t<div id=\"col-294166289\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-4074104994\" class=\"text\">\n\t\t\n<ol>\n<li><b><\/b><strong><b>N\u00e3o<\/b><\/strong><strong><b>\u2019<\/b><\/strong><strong><b>n\u00e3o olhar apenas para o CRI ou SDCM<\/b><\/strong>,<\/li>\n<\/ol>\n<p>Solicitar relat\u00f3rios TM-30 para temperaturas de cor de ponto final e m\u00e9dio, dados Duv e curvas de estabilidade de escurecimento.<\/p>\n<ol start=\"2\">\n<li><b><\/b><strong><b>Avaliar o sistema, n\u00e3o os componentes<\/b><\/strong><strong><b>,<\/b><\/strong><\/li>\n<\/ol>\n<p>Examine as solu\u00e7\u00f5es de mistura \u00f3tica e a precis\u00e3o do controlo do controlador, em vez de se concentrar apenas nas especifica\u00e7\u00f5es do chip LED.\u00a0<\/p>\n<ol start=\"3\">\n<li><b><\/b><strong><b>Os cen\u00e1rios de aplica\u00e7\u00e3o determinam a sele\u00e7\u00e3o da tecnologia<\/b><\/strong>,<\/li>\n<\/ol>\n<p>Os sistemas optimizados de dois canais s\u00e3o adequados para utiliza\u00e7\u00e3o geral em escrit\u00f3rios; os museus, os cuidados de sa\u00fade e as aplica\u00e7\u00f5es art\u00edsticas devem selecionar solu\u00e7\u00f5es multicanais com ajuste espetral.<\/p>\n\t\t\n<style>\n#text-4074104994 {\n  font-size: 0.75rem;\n  line-height: 1.5;\n}\n@media (min-width:550px) {\n  #text-4074104994 {\n    font-size: 1.1rem;\n    line-height: 2;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-1525747083\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1525747083 {\n  padding-top: 100px;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":3189,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[84],"tags":[],"class_list":["post-3154","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"Dual-color temp LEDs: Look beyond CRI\/SDCM. 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