{"id":2022,"date":"2022-11-05T08:57:38","date_gmt":"2022-11-05T00:57:38","guid":{"rendered":"https:\/\/essenledstrip.com\/?p=2022"},"modified":"2023-02-11T11:50:21","modified_gmt":"2023-02-11T03:50:21","slug":"what-is-color-rendering-index-r9","status":"publish","type":"post","link":"https:\/\/essenledstrip.com\/pt\/o-que-e-cor-renderizacao-indice-r9\/","title":{"rendered":"O que \u00e9 o \u00edndice de renderiza\u00e7\u00e3o de cores R9?"},"content":{"rendered":"
\n
\"\"<\/figure><\/div>\n\n\n

Agora, mais e mais pessoas prestam aten\u00e7\u00e3o ao \u00edndice de renderiza\u00e7\u00e3o de cores (CRI), mas poucas pessoas sabem o que \u00e9 R9. Na verdade, CRI e R9 s\u00e3o dois fatores muito importantes na hora de escolher a ilumina\u00e7\u00e3o.<\/p>\n\n\n\n

\u00cdndice<\/h2>\n\n\n\n

1. O que \u00e9 o CRI R9?<\/a>
2. Por que o CRI R9 \u00e9 importante?<\/a>
3. O que \u00e9 um bom valor de CRI R9?<\/a>
4. Por que o vermelho \u00e9 t\u00e3o importante?<\/a><\/p>\n\n\n\n

O que \u00e9 o CRI R9?<\/h2>\n\n\n\n

O CRI R9 \u00e9 uma das amostras de cores de teste (TCS) usadas no c\u00e1lculo do CRI estendido. Muitos fabricantes relatam apenas o CRI geral, no entanto, o que n\u00e3o inclui a pontua\u00e7\u00e3o CRI R9.<\/p>\n\n\n\n

R9 \u00e9 uma pontua\u00e7\u00e3o que representa a precis\u00e3o com que uma fonte de luz reproduz uma cor vermelha forte e R9<\/a> \u00e9 realmente muito importante quando se discute a qualidade da luz LED. Na verdade, alguma porcentagem de R9 \u00e9 encontrada em todas as cores que comp\u00f5em o valor CRI, mas a capacidade espec\u00edfica de um produto de ilumina\u00e7\u00e3o de reproduzir o vermelho com precis\u00e3o \u00e9 cr\u00edtica para uma reprodu\u00e7\u00e3o geral precisa das cores.<\/p>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

Por que o CRI R9 \u00e9 importante?<\/h2>\n\n\n\n

CRI R9 \u00e9 uma m\u00e9trica muito importante, na verdade muitas fontes de luz n\u00e3o ter\u00e3o conte\u00fado vermelho, mas como R9 n\u00e3o est\u00e1 inclu\u00eddo na m\u00e9dia calculada pelo CRI, raramente \u00e9 mostrado.<\/p>\n\n\n\n

Como mostra o gr\u00e1fico abaixo, uma fonte de luz pode realmente funcionar muito bem com as primeiras 8 amostras de cores de teste, pontuando muito bem para R1-R8. Para a m\u00e9trica geral CRI Ra, isso significa que um LED com m\u00e1 reprodu\u00e7\u00e3o de cor vermelha ainda pode sobreviver com um Classifica\u00e7\u00e3o 80 CRI (Ra)<\/a>.<\/p>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

No entanto, quando olhamos de perto o valor do R9, podemos ver que o desempenho da luz \u00e9 muito ruim, especialmente para o vermelho.<\/p>\n\n\n\n

O que \u00e9 um bom valor de CRI R9?<\/h2>\n\n\n\n

O valor m\u00e1ximo poss\u00edvel de R9 \u00e9 100, mas diferentemente do n\u00famero m\u00e9dio de CRI, o julgamento de R9 ser\u00e1 um pouco diferente.<\/p>\n\n\n\n

Matematicamente, R9 \u00e9 mais dif\u00edcil de pontuar alto do que os outros valores de R que comp\u00f5em o c\u00e1lculo do CRI, \u00e9 mais sens\u00edvel a mudan\u00e7as espectrais. Portanto, uma pontua\u00e7\u00e3o R9 igual ou superior a 50 seria considerada \u201cboa\u201d, enquanto uma pontua\u00e7\u00e3o R9 igual ou superior a 90 seria considerada \u201cexcelente\u201d.<\/p>\n\n\n\n

Como resultado, voc\u00ea descobrir\u00e1 que a maioria dos produtos de ilumina\u00e7\u00e3o no mercado raramente especifica um valor R9 e, mesmo que o fa\u00e7a, geralmente n\u00e3o \u00e9 superior a 50.<\/p>\n\n\n\n

Por que o vermelho \u00e9 t\u00e3o importante?<\/h2>\n\n\n\n

O vermelho \u00e9 necess\u00e1rio em muitas aplica\u00e7\u00f5es, como fotografia, t\u00eaxteis e reprodu\u00e7\u00e3o de tons de pele humana. \u00c0s vezes, objetos que n\u00e3o parecem vermelhos para n\u00f3s s\u00e3o, na verdade, combina\u00e7\u00f5es de cores, incluindo o vermelho. Por exemplo, o tom da pele \u00e9 amplamente afetado pela vermelhid\u00e3o do sangue que flui sob nossa pele.<\/p>\n\n\n\n

Portanto, a falta de luz vermelha pode fazer as pessoas ficarem p\u00e1lidas, at\u00e9 um pouco esverdeadas, por isso \u00e9 na fotografia ou em outras aplica\u00e7\u00f5es como a medicina, a apar\u00eancia est\u00e9tica \u00e9 fundamental, e muitas vezes n\u00e3o pode ser corrigida nem na p\u00f3s-produ\u00e7\u00e3o e edi\u00e7\u00e3o digital .<\/p>\n\n\n\n

O \u00cdndice de Renderiza\u00e7\u00e3o de Cores e os valores R9 s\u00e3o dois recursos importantes, quando se trata de selecionar as luzes LED certas para sua aplica\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"

Agora, mais e mais pessoas prestam aten\u00e7\u00e3o ao \u00edndice de renderiza\u00e7\u00e3o de cores (CRI), mas poucas pessoas sabem o que \u00e9 R9. Na verdade, CRI e R9 s\u00e3o dois fatores muito importantes na hora de escolher a ilumina\u00e7\u00e3o. \u00cdndice 1. O que \u00e9 CRI R9?2. Por que o CRI R9 \u00e9 importante?3. O que \u00e9 um bom valor CRI R9?4. Por que\u2026<\/p>","protected":false},"author":1,"featured_media":2024,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[18],"tags":[418,419],"class_list":["post-2022","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-led-lighting-r9","tag-r9-more-important"],"yoast_head":"\nWhat\u00a0is\u00a0Color\u00a0Rendering\u00a0Index\u00a0R9? - Essenled Lighting<\/title>\n<meta name=\"description\" content=\"Color\u00a0Rendering\u00a0Index\u00a0R9 is the score that represents how accurately a light source will reproduce strong red colors, R9 matters.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/essenledstrip.com\/pt\/que-es-color-rendering-index-r9\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What\u00a0is\u00a0Color\u00a0Rendering\u00a0Index\u00a0R9?\" \/>\n<meta property=\"og:description\" content=\"Color\u00a0Rendering\u00a0Index\u00a0R9 is the score that represents how accurately a light source will reproduce strong red colors, R9 matters.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/essenledstrip.com\/pt\/que-es-color-rendering-index-r9\/\" \/>\n<meta property=\"og:site_name\" content=\"Essenled Lighting\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Shenzhen-Essenled-Lighting-COLTD-106633570961729\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-05T00:57:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-11T03:50:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/essenledstrip.com\/wp-content\/uploads\/2022\/11\/R9.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"491\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"adminmark\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"adminmark\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/essenledstrip.com\/es\/que-es-color-rendering-index-r9\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/essenledstrip.com\/es\/que-es-color-rendering-index-r9\/\"},\"author\":{\"name\":\"adminmark\",\"@id\":\"https:\/\/essenledstrip.com\/ar\/#\/schema\/person\/fa34e835d3f1d810cafb18c65e0d53b6\"},\"headline\":\"What\u00a0is\u00a0Color\u00a0Rendering\u00a0Index\u00a0R9?\",\"datePublished\":\"2022-11-05T00:57:38+00:00\",\"dateModified\":\"2023-02-11T03:50:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/essenledstrip.com\/es\/que-es-color-rendering-index-r9\/\"},\"wordCount\":499,\"publisher\":{\"@id\":\"https:\/\/essenledstrip.com\/ar\/#organization\"},\"image\":{\"@id\":\"https:\/\/essenledstrip.com\/es\/que-es-color-rendering-index-r9\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/essenledstrip.com\/wp-content\/uploads\/2022\/11\/R9.webp\",\"keywords\":[\"LED Lighting R9\",\"R9: More Important\"],\"articleSection\":[\"Blog\"],\"inLanguage\":\"pt-PT\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/essenledstrip.com\/es\/que-es-color-rendering-index-r9\/\",\"url\":\"https:\/\/essenledstrip.com\/es\/que-es-color-rendering-index-r9\/\",\"name\":\"What\u00a0is\u00a0Color\u00a0Rendering\u00a0Index\u00a0R9? 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