{"id":18131,"date":"2015-09-21T04:00:00","date_gmt":"2015-09-21T08:00:00","guid":{"rendered":"https:\/\/sensing.konicaminolta.us\/blog\/luminancia-vs-iluminancia\/"},"modified":"2022-08-30T04:11:59","modified_gmt":"2022-08-30T08:11:59","slug":"luminancia-vs-iluminancia","status":"publish","type":"blog","link":"https:\/\/sensing.konicaminolta.us\/br\/blog\/luminancia-vs-iluminancia\/","title":{"rendered":"Lumin\u00e2ncia vs. Ilumin\u00e2ncia"},"content":{"rendered":"<p>No mundo da ilumina\u00e7\u00e3o, muitas vezes os termos de ilumina\u00e7\u00e3o soam semelhantes, mas t\u00eam significados muito diferentes. Isso pode levar \u00e0 confus\u00e3o e um mal-entendido da terminologia geral de ilumina\u00e7\u00e3o. Na verdade, dois dos termos mais utilizados, ilumin\u00e2ncia e lumin\u00e2ncia s\u00e3o tamb\u00e9m os termos confundidos com mais freq\u00fc\u00eancia. Ent\u00e3o, qual \u00e9 a diferen\u00e7a entre &#8220;lumin\u00e2ncia&#8221; e &#8220;ilumin\u00e2ncia&#8221;?<\/p>\n<p><strong>Lumin\u00e2ncia<\/strong><\/p>\n<p>A lumin\u00e2ncia descreve a medi\u00e7\u00e3o da quantidade de emiss\u00e3o de luz, que passa atrav\u00e9s ou \u00e9 refletida a partir de uma superf\u00edcie em particular em um certo \u00e2ngulo. Ela tamb\u00e9m indica o quanto de energia luminosa pode ser percebida pelo olho humano. Isto significa que a lumin\u00e2ncia indica o brilho da luz emitida ou refletida de uma superf\u00edcie. Na ind\u00fastria de monitores, a lumin\u00e2ncia \u00e9 usada para quantificar o brilho dos monitores.<\/p>\n<p>H\u00e1 uma variedade de unidades utilizadas para lumin\u00e2ncia. A unidade SI para lumin\u00e2ncia \u00e9 candela\/metro quadrado (cd\/m<sup>2<\/sup>). Nos EUA uma das unidades comuns \u00e9 o foot-lambert (fL); 1 foot-lambert (fL) \u00e9 igual a 1\/\u03c0 candela\/p\u00e9 quadrado, ou 3.426 cd \/ m<sup>2<\/sup>. Profissionais da ind\u00fastria est\u00e3o familiarizados com o termo nit (nt). Nit \u00e9 um termo n\u00e3o SI usado para lumin\u00e2ncia, e 1 nit \u00e9 equivalente a 1 cd\/m<sup>2<\/sup>.<\/p>\n<p>A lumin\u00e2ncia \u00e9 quantificada usando um <a href=\"\/br\/technologies\/spectroradiometers\/\">espectrorradi\u00f4metro<\/a>, <a href=\"\/br\/technologies\/luminance-meters\/\">medidor de lumin\u00e2ncia<\/a> ou um <a href=\"\/br\/products\/medidor-de-croma-cl-200a\/\">color\u00edmetro<\/a>.<\/p>\n<p><strong>Ilumin\u00e2ncia<\/strong><\/p>\n<p>A ilumin\u00e2ncia \u00e9 um termo que descreve a medi\u00e7\u00e3o da quantidade de luz que cai (iluminando e espalhando) sobre uma determinada \u00e1rea de superf\u00edcie. A ilumin\u00e2ncia tamb\u00e9m se correlaciona com a forma como os seres humanos percebem o brilho de uma \u00e1rea iluminada. Como resultado, a maioria das pessoas usam os termos de ilumin\u00e2ncia e brilho indistintamente \u2013 o que leva \u00e0 confus\u00e3o, uma vez que brilho tamb\u00e9m pode ser usado para descrever lumin\u00e2ncia. Para esclarecer a diferen\u00e7a; a ilumin\u00e2ncia refere-se a um tipo espec\u00edfico de medi\u00e7\u00e3o de luz, enquanto que o brilho se refere \u00e0s percep\u00e7\u00f5es visuais e sensa\u00e7\u00f5es fisiol\u00f3gicas de luz. Brilho n\u00e3o \u00e9 um termo usado para fins quantitativos.<\/p>\n<p>A unidade do SI para ilumin\u00e2ncia \u00e9 o lux (lx). Nos EUA as pessoas \u00e0s vezes usam o termo n\u00e3o SI, foot-candle ao fazer refer\u00eancia a ilumin\u00e2ncia. O termo &#8220;foot-candle&#8221; significa &#8220;a ilumin\u00e2ncia de uma candela sobre uma superf\u00edcie a um p\u00e9 de dist\u00e2ncia&#8221;. Um foot-candle \u00e9 equivalente a um l\u00famen por p\u00e9 quadrado que \u00e9 de aproximadamente 10.764 lux.<\/p>\n<p>A ilumin\u00e2ncia (lux) \u00e9 quantificada utilizando um <a href=\"\/br\/products\/medidor-de-croma-cl-200a\/\">color\u00edmetro<\/a>, um <a href=\"\/br\/products\/t-10a_t-10ma-medidores-de-iluminancia\/\">medidor de ilumin\u00e2ncia (lux)<\/a>, ou um <a href=\"\/br\/products\/cl-500-illuminance-spectrophotometer\/\">espectrofot\u00f4metro de ilumin\u00e2ncia<\/a>.<\/p>\n","protected":false},"featured_media":18132,"template":"","learning_center_categories":[1783],"class_list":["post-18131","blog","type-blog","status-publish","has-post-thumbnail","hentry","learning_center_categories-light-display-measurement-br"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v24.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Lumin\u00e2ncia vs. Ilumin\u00e2ncia | Konica Minolta Sensing<\/title>\r\n<meta name=\"description\" content=\"Dois dos termos mais utilizados, ilumin\u00e2ncia e lumin\u00e2ncia s\u00e3o tamb\u00e9m os termos confundidos com mais freq\u00fc\u00eancia. 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