{"id":23773,"date":"2023-04-30T06:20:24","date_gmt":"2023-04-30T10:20:24","guid":{"rendered":"https:\/\/sensing.konicaminolta.us\/?post_type=blog&p=23773"},"modified":"2023-11-22T10:34:59","modified_gmt":"2023-11-22T15:34:59","slug":"importancia-da-medicao-do-contraste-do-monitor-na-instrumentacao-do-cockpit","status":"publish","type":"blog","link":"https:\/\/sensing.konicaminolta.us\/br\/blog\/importancia-da-medicao-do-contraste-do-monitor-na-instrumentacao-do-cockpit\/","title":{"rendered":"Import\u00e2ncia da medi\u00e7\u00e3o do contraste do monitor na instrumenta\u00e7\u00e3o do cockpit"},"content":{"rendered":"

A instrumenta\u00e7\u00e3o do cockpit na ind\u00fastria aeroespacial evoluiu nas \u00faltimas d\u00e9cadas. No passado, os pain\u00e9is de controle tinham medidores, interruptores e bot\u00f5es com luz de fundo, agora \u00e9 mais prov\u00e1vel que voc\u00ea veja uma variedade de telas planas. Deve haver uma emiss\u00e3o consistente de luz e cor desses pain\u00e9is para reduzir a fadiga ocular, facilitar a interpreta\u00e7\u00e3o dos dados e diminuir as distra\u00e7\u00f5es. Al\u00e9m disso, eles s\u00e3o confort\u00e1veis para ver tanto \u00e0 luz do dia quanto \u00e0 noite. Duas medi\u00e7\u00f5es principais s\u00e3o Lumin\u00e2ncia (uma medida de brilho) e Contraste do visor (a rela\u00e7\u00e3o entre claro e escuro).<\/p>\n

Lumin\u00e2ncia<\/strong> (brilho) \u00e9 uma medida fotom\u00e9trica da intensidade luminosa por unidade de \u00e1rea de luz viajando em uma determinada dire\u00e7\u00e3o. O brilho \u00e9 definido como a lumin\u00e2ncia do componente mais brilhante (cor branca) e \u00e9 medido em candela por metro quadrado (cd\/m2 = nit) ou foot-lamberts (1fL=3,426 nits). Normalmente, a lumin\u00e2ncia da tela varia de 100 nits, encontrada na maioria dos monitores de escrit\u00f3rio, at\u00e9 1000 nits em sistemas de proje\u00e7\u00e3o frontal.<\/p>\n

Existem variedades de unidades usadas para lumin\u00e2ncia. Na maioria dos pa\u00edses, a unidade mais comum de lumin\u00e2ncia \u00e9 candela\/metro quadrado (cd\/m2). No entanto, nos Estados Unidos, a unidade mais comum \u00e9 o foot-lambert (fL); 1 p\u00e9-lambert (fL) \u00e9 igual a 1\/\u03c0 candela\/p\u00e9 quadrado, ou 3,426 cd\/m2. Os profissionais da ind\u00fastria costumam usar o termo nit (nt). 1 unidade nit \u00e9 equivalente a 1 cd\/m2.<\/p>\n

Para medir a lumin\u00e2ncia, voc\u00ea pode usar um medidor de lumin\u00e2ncia, como o LS-150<\/a> ou o LS-160<\/a>.<\/p>\n

O contraste da tela<\/strong> \u00e9 a rela\u00e7\u00e3o entre as cores mais brilhantes (na maioria dos casos, branco) e as cores mais escuras (na maioria dos casos, preto) que o monitor \u00e9 capaz de produzir. Onde n\u00e3o h\u00e1 padr\u00e3o industrial para medir o contraste, o processo geralmente aceito \u00e9 medir partes de uma tela e pegar o branco m\u00e9dio ou mais alto e o preto m\u00e9dio ou mais baixo e express\u00e1-lo na forma de propor\u00e7\u00e3o claro:escuro. Por exemplo, se uma tela tiver lumin\u00e2ncia brilhante de 150 nits e uma lumin\u00e2ncia escura de 1 nit, a taxa de contraste ser\u00e1 mostrada como 150:1.<\/p>\n

Com alto desempenho mais recente, OLEDs com pretos mais escuros agora est\u00e3o produzindo propor\u00e7\u00f5es muito mais amplas. Portanto, se um monitor puder produzir 7500 nits com uma tela branca e 0,010 nits com uma tela preta, ele ter\u00e1 uma taxa de contraste de 750.000:1. Um contraste maior produz imagens mais profundas com melhor qualidade de tela, fornecendo cores mais ricas que facilitam a interpreta\u00e7\u00e3o de imagens e dados. Uma tela LCD decente pode ter uma taxa de contraste de 1.000:1. O contraste em uma tela OLED \u00e9 muito maior, em torno de 4000:1, com unidades ultra-altas come\u00e7ando a chegar perto de 1.000.000:1. Quando uma tela OLED mostra preto, seus pixels quase n\u00e3o produzem luz alguma.<\/p>\n

A taxa de contraste de uma tela \u00e9 uma das medidas mais importantes de desempenho. Al\u00e9m disso, ser\u00e1 a diferen\u00e7a mais percept\u00edvel entre dois monitores em uma compara\u00e7\u00e3o lado a lado.<\/p>\n

Para medir o contraste, \u00e9 melhor usar um espectro radi\u00f4metro como os modelos da s\u00e9rie CS-3000<\/a>. A nova s\u00e9rie CS-3000 oferece medi\u00e7\u00f5es de display de alta velocidade, desde o preto absoluto at\u00e9 o brilho intenso, com precis\u00e3o garantida.<\/p>\n","protected":false},"featured_media":23774,"template":"","learning_center_categories":[],"class_list":["post-23773","blog","type-blog","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\r\nImport\u00e2ncia da medi\u00e7\u00e3o do contraste do monitor na instrumenta\u00e7\u00e3o do cockpit - Konica Minolta Sensing<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/sensing.konicaminolta.us\/br\/blog\/importancia-da-medicao-do-contraste-do-monitor-na-instrumentacao-do-cockpit\/\" \/>\r\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Import\u00e2ncia da medi\u00e7\u00e3o do contraste do monitor na instrumenta\u00e7\u00e3o do cockpit\" \/>\r\n<meta property=\"og:description\" content=\"A instrumenta\u00e7\u00e3o do cockpit na ind\u00fastria aeroespacial evoluiu nas \u00faltimas d\u00e9cadas. 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