{"id":5527,"date":"2025-06-19T07:56:55","date_gmt":"2025-06-19T07:56:55","guid":{"rendered":"https:\/\/ledrhythm.com\/?p=5527"},"modified":"2025-08-14T09:11:13","modified_gmt":"2025-08-14T09:11:13","slug":"smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios","status":"publish","type":"post","link":"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html","title":{"rendered":"LEDs SMD vs COB: Qual \u00e9 o melhor para as suas necessidades de ilumina\u00e7\u00e3o?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5527\" class=\"elementor elementor-5527\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7f2f94d e-flex e-con-boxed e-con e-parent\" data-id=\"7f2f94d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-32dd8d3 elementor-widget elementor-widget-heading\" data-id=\"32dd8d3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar o \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#1_Introduction\" >1. Introdu\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#2_What_Is_SMD\" >2. O que \u00e9 o SMD<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#3_What_Is_COB\" >3. O que \u00e9 o COB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#4_Differences_between_SMD_LED_and_COB_LED\" >4. Diferen\u00e7as entre o LED SMD e o LED COB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#5_Advantages_and_Disadvantages_of_SMD_and_COB_LED\" >5. Vantagens e desvantagens dos LED SMD e COB<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#51_Quality_of_light\" >5.1 Qualidade da luz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#52_Thermal_Management\" >5.2 Gest\u00e3o t\u00e9rmica<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#53_Reliability\" >5.3 Fiabilidade<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#54_Cost\" >5.4 Custo<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#6_SMD_vs_COB_Application\" >6. Aplica\u00e7\u00e3o SMD vs COB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#7_Summary_And_SMD%E3%80%81COB_Selection_Suggestions\" >7. Resumo e sugest\u00f5es de sele\u00e7\u00e3o de SMD\u3001COB<\/a><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#Choose_SMD_when\" >Escolha SMD quando:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/ledrhythm.com\/pt\/news\/smd-vs-cob-led-do-you-really-understand-the-types-of-leds-and-their-usage-scenarios.html\/#Choose_COB_when\" >Selecionar COB quando:\u00a0<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"1_Introduction\"><\/span>1. Introdu\u00e7\u00e3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f1a5095 elementor-widget elementor-widget-text-editor\" data-id=\"f1a5095\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Existem v\u00e1rios m\u00e9todos de embalagem de LED, incluindo SMD\u3001COB\u3001MCOB, CSP, DOB, EMC, FC e AC LED. Tanto o SMD como o COB s\u00e3o m\u00e9todos de embalagem de LED (ou seja, como o chip emissor de luz \u00e9 instalado, ligado e conduzido pelo calor), o que afecta o \u00e2ngulo de emiss\u00e3o de luz, o brilho, a capacidade de dissipa\u00e7\u00e3o de calor, a vida \u00fatil, etc. da l\u00e2mpada. Este cap\u00edtulo leva-o a explorar as diferen\u00e7as entre SMD e COB.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9c33a4 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"e9c33a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"900\" height=\"540\" src=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob-module.webp\" class=\"attachment-full size-full wp-image-5533\" alt=\"M\u00f3dulo SMD v COB\" srcset=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob-module.webp 900w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob-module-300x180.webp 300w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob-module-768x461.webp 768w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob-module-18x12.webp 18w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob-module-700x420.webp 700w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26d48f9 elementor-widget elementor-widget-heading\" data-id=\"26d48f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"2_What_Is_SMD\"><\/span>2. O que \u00e9 o SMD<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04e70e0 elementor-widget elementor-widget-text-editor\" data-id=\"04e70e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>SMD significa Surface-Mounted Device (Dispositivo de Montagem em Superf\u00edcie), que \u00e9 a tecnologia de embalagem de LED mais utilizada e madura. Um \u00fanico chip de LED \u00e9 embalado num inv\u00f3lucro de pl\u00e1stico ou cer\u00e2mica com pinos met\u00e1licos (pads). Este dispositivo independente embalado pode ser soldado diretamente numa placa de circuito impresso atrav\u00e9s da tecnologia de montagem em superf\u00edcie.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f664d92 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"f664d92\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"406\" src=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob.webp\" class=\"attachment-large size-large wp-image-5532\" alt=\"100W SMD vs 100W COB\" srcset=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob.webp 800w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob-300x152.webp 300w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob-768x390.webp 768w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob-18x9.webp 18w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/smd-vs-cob-700x355.webp 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c3eae13 elementor-widget elementor-widget-text-editor\" data-id=\"c3eae13\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Carater\u00edsticas<\/strong><\/p><ul><li>Dispositivos discretos: Cada embalagem SMD cont\u00e9m normalmente 1 (em alguns casos, 2-4) chips de LED.<\/li><li>Normaliza\u00e7\u00e3o: Existem v\u00e1rios tamanhos normalizados (tais como 3528, 2835, 5050, 3030, 5630, etc.), que s\u00e3o f\u00e1ceis de automatizar a produ\u00e7\u00e3o e o design.<\/li><li>Carater\u00edsticas da fonte de luz pontual: Um \u00fanico SMD \u00e9 uma pequena fonte de luz pontual. S\u00e3o utilizados v\u00e1rios SMDs em combina\u00e7\u00e3o.<\/li><li>Flexibilidade: Pode ser disposto de forma flex\u00edvel na placa de circuito impresso e concebido em diferentes formas (tiras de luz, m\u00f3dulos, placas de luz de l\u00e2mpadas, etc.).<\/li><li>Conce\u00e7\u00e3o \u00f3tica: Cada SMD tem normalmente de ser combinado com uma lente independente ou com um copo refletor para a conce\u00e7\u00e3o \u00f3tica secund\u00e1ria.<\/li><\/ul><p><img decoding=\"async\" class=\"size-full wp-image-6698 aligncenter\" src=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/what-is-smd.webp\" alt=\"o que \u00e9 smd\" width=\"800\" height=\"850\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-647c4ea elementor-widget elementor-widget-heading\" data-id=\"647c4ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"3_What_Is_COB\"><\/span>3. O que \u00e9 o COB<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-456db3c elementor-widget elementor-widget-text-editor\" data-id=\"456db3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Abreviatura de COB (Chip-on-Board), que \u00e9 uma tecnologia de embalagem mais integrada. M\u00faltiplas (geralmente dezenas ou mesmo centenas) de pastilhas de LED nuas n\u00e3o encapsuladas s\u00e3o diretamente solidificadas, soldadas e interligadas eletricamente no mesmo substrato (geralmente cust\u00f3dia met\u00e1lica ou substrato cer\u00e2mico) e, em seguida, cobertas globalmente com uma camada de f\u00f3sforo comum (para formar uma grande \u00e1rea de superf\u00edcie emissora de luz) e, finalmente, podem ser cobertas com uma camada de lentes de prote\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ec6a63 elementor-widget elementor-widget-image\" data-id=\"6ec6a63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"427\" src=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/basics-of-smd-vs-cob-lights-1024x427.webp\" class=\"attachment-large size-large wp-image-5539\" alt=\"no\u00e7\u00f5es b\u00e1sicas de l\u00e2mpadas smd vs cob\" srcset=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/basics-of-smd-vs-cob-lights-1024x427.webp 1024w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/basics-of-smd-vs-cob-lights-300x125.webp 300w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/basics-of-smd-vs-cob-lights-768x320.webp 768w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/basics-of-smd-vs-cob-lights-1536x640.webp 1536w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/basics-of-smd-vs-cob-lights-18x8.webp 18w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/basics-of-smd-vs-cob-lights-700x292.webp 700w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/basics-of-smd-vs-cob-lights.webp 1679w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a37180 elementor-widget elementor-widget-text-editor\" data-id=\"3a37180\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>Carater\u00edsticas<\/strong><\/p><ul><li>Fonte de luz integrada: Um m\u00f3dulo COB \u00e9 uma fonte de luz integrada que cont\u00e9m v\u00e1rios chips.<\/li><li>Carater\u00edsticas da fonte de luz de superf\u00edcie: emite uma superf\u00edcie emissora de luz relativamente uniforme e cont\u00ednua, com pontos mais suaves e menos reflexos.<\/li><li>Alta densidade: Os chips s\u00e3o dispostos de forma compacta numa \u00e1rea muito pequena para obter uma elevada densidade de pot\u00eancia.<\/li><li>Montagem simplificada: Em vez de dezenas de dispositivos SMD, apenas um m\u00f3dulo de fonte de luz COB precisa de ser manuseado no fabrico da lumin\u00e1ria.<\/li><li>\u00d3tica simplificada: normalmente, \u00e9 necess\u00e1ria apenas uma lente ou refletor que cubra toda a superf\u00edcie de emiss\u00e3o de luz do COB.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5a12085 elementor-widget elementor-widget-heading\" data-id=\"5a12085\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"4_Differences_between_SMD_LED_and_COB_LED\"><\/span>4. Diferen\u00e7as entre o LED SMD e o LED COB<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-057057a elementor-widget elementor-widget-text-editor\" data-id=\"057057a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ol><li>Estrutura b\u00e1sica: SMD \u00e9 um \u00fanico \/ pequeno n\u00famero de chips s\u00e3o embalados de forma independente com pinos e montados em um PCB. COB s\u00e3o v\u00e1rios chips nus diretamente integrados em um substrato e cobertos com uma camada de f\u00f3sforo comum.<\/li><li>Carater\u00edsticas da fonte de luz\uff1aSMD \u00e9 uma fonte de luz pontual (combina\u00e7\u00e3o de v\u00e1rios pontos). COB \u00e9 uma fonte de luz de superf\u00edcie (superf\u00edcie \u00fanica e uniforme de emiss\u00e3o de luz).<\/li><li>Efici\u00eancia luminosa: SMD, elevada (especialmente na gama de pot\u00eancia baixa a m\u00e9dia). Dados de laborat\u00f3rio at\u00e9 220 lm\/W+, corrente principal comercial 120-180 lm\/W. COBs, elevado potencial te\u00f3rico, mas normalmente ligeiramente inferior ao SMD de topo para a mesma pot\u00eancia devido a desafios de gest\u00e3o t\u00e9rmica densamente alinhados (a diferen\u00e7a est\u00e1 a diminuir). Comercialmente correntes 100-160 lm\/W.<\/li><li>Densidade de pot\u00eancia\uff1aSMD, m\u00e9dia. A pot\u00eancia de um \u00fanico dispositivo \u00e9 limitada (normalmente &lt;1W), sendo necess\u00e1rias v\u00e1rias combina\u00e7\u00f5es para obter uma pot\u00eancia elevada. COB, alta. V\u00e1rios chips s\u00e3o integrados em uma \u00e1rea muito pequena, facilitando a obten\u00e7\u00e3o de alta pot\u00eancia em um \u00fanico m\u00f3dulo (10W, 20W, 50W, 100W +).<\/li><li>Flexibilidade de design\uff1aSMD, muito alta. Pode ser organizado livremente para atender a v\u00e1rias formas, tamanhos, pot\u00eancias e requisitos de distribui\u00e7\u00e3o de luz (como formas lineares, circulares e especiais). COB, relativamente baixo. A forma da superf\u00edcie luminosa \u00e9 fixa (principalmente circular, quadrada e tiras longas), e a pot\u00eancia e a distribui\u00e7\u00e3o da luz s\u00e3o determinadas principalmente pelo modelo do m\u00f3dulo.<\/li><li>Utiliza\u00e7\u00f5es principais: A SMD fornece solu\u00e7\u00f5es flex\u00edveis, padronizadas e econ\u00f3micas de fontes de luz LED adequadas para cen\u00e1rios diversificados de pequena e m\u00e9dia pot\u00eancia. O COB fornece fontes de luz integradas com alta densidade de pot\u00eancia, alto fluxo luminoso, luz uniforme e suave e excelente gerenciamento t\u00e9rmico, que pode atender \u00e0s necessidades de alto brilho e ilumina\u00e7\u00e3o de alta qualidade e simplificar a fabrica\u00e7\u00e3o de l\u00e2mpadas.<\/li><\/ol><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e6cfc3 elementor-widget elementor-widget-image\" data-id=\"6e6cfc3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"341\" src=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/types-of-led\u200b-smd-1024x341.webp\" class=\"attachment-large size-large wp-image-5538\" alt=\"tipos-de-led-smd\" srcset=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/types-of-led\u200b-smd-1024x341.webp 1024w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/types-of-led\u200b-smd-300x100.webp 300w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/types-of-led\u200b-smd-768x256.webp 768w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/types-of-led\u200b-smd-1536x512.webp 1536w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/types-of-led\u200b-smd-18x6.webp 18w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/types-of-led\u200b-smd-700x233.webp 700w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/types-of-led\u200b-smd.webp 1801w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a26692 elementor-widget elementor-widget-image\" data-id=\"2a26692\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"341\" src=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/The-Basics-of-COB-lights-Knowledge-Center-Page-Main-photos-1800px-COB-1-1024x341.webp\" class=\"attachment-large size-large wp-image-5537\" alt=\"tipos de led COB\" srcset=\"https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/The-Basics-of-COB-lights-Knowledge-Center-Page-Main-photos-1800px-COB-1-1024x341.webp 1024w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/The-Basics-of-COB-lights-Knowledge-Center-Page-Main-photos-1800px-COB-1-300x100.webp 300w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/The-Basics-of-COB-lights-Knowledge-Center-Page-Main-photos-1800px-COB-1-768x256.webp 768w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/The-Basics-of-COB-lights-Knowledge-Center-Page-Main-photos-1800px-COB-1-1536x512.webp 1536w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/The-Basics-of-COB-lights-Knowledge-Center-Page-Main-photos-1800px-COB-1-18x6.webp 18w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/The-Basics-of-COB-lights-Knowledge-Center-Page-Main-photos-1800px-COB-1-700x233.webp 700w, https:\/\/ledrhythm.com\/wp-content\/uploads\/2025\/06\/The-Basics-of-COB-lights-Knowledge-Center-Page-Main-photos-1800px-COB-1.webp 1801w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44a64e3 elementor-widget elementor-widget-heading\" data-id=\"44a64e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"5_Advantages_and_Disadvantages_of_SMD_and_COB_LED\"><\/span>5. Vantagens e desvantagens dos LED SMD e COB<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8c7c1f elementor-widget elementor-widget-heading\" data-id=\"a8c7c1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"51_Quality_of_light\"><\/span>5.1 Qualidade da luz<span class=\"ez-toc-section-end\"><\/span><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a9be895 elementor-widget elementor-widget-text-editor\" data-id=\"a9be895\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>SMD: As vantagens s\u00e3o uma vasta gama de op\u00e7\u00f5es de reprodu\u00e7\u00e3o de cores e um controlo preciso da temperatura da cor. As desvantagens s\u00e3o que a combina\u00e7\u00e3o de v\u00e1rias fontes de luz pontuais \u00e9 propensa a m\u00faltiplas sombras, granula\u00e7\u00e3o e brilho (\u00e9 necess\u00e1ria uma boa conce\u00e7\u00e3o \u00f3tica).<\/p><p>COB: As vantagens s\u00e3o a luz uniforme e suave, a transi\u00e7\u00e3o natural do ponto de luz, o bom controlo do brilho e o elevado conforto visual. As desvantagens s\u00e3o que a reprodu\u00e7\u00e3o de cores \u00e9 normalmente ligeiramente inferior \u00e0 SMD de topo (em fase de aperfei\u00e7oamento) e a consist\u00eancia da temperatura da cor \u00e9 ligeiramente mais dif\u00edcil de controlar (\u00e9 necess\u00e1rio um revestimento de f\u00f3sforo preciso).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ae20ac elementor-widget elementor-widget-heading\" data-id=\"0ae20ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"52_Thermal_Management\"><\/span>5.2 Gest\u00e3o t\u00e9rmica<span class=\"ez-toc-section-end\"><\/span><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31f82f3 elementor-widget elementor-widget-text-editor\" data-id=\"31f82f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>SMD: A vantagem \u00e9 que o calor gerado por um \u00fanico chip \u00e9 disperso e o caminho t\u00e9rmico \u00e9 relativamente curto (chip-&gt;embalagem-&gt;PCB-&gt;dissipador de calor). A desvantagem \u00e9 que o projeto t\u00e9rmico da placa de circuito impresso \u00e9 complexo quando s\u00e3o combinados v\u00e1rios dispositivos, sendo necess\u00e1rios bons materiais condutores t\u00e9rmicos e dissipadores de calor.<\/p><p>COB: A vantagem \u00e9 que o chip est\u00e1 diretamente ligado a um substrato altamente condutor de calor (frequentemente cer\u00e2mica ou metal), que tem uma resist\u00eancia t\u00e9rmica mais baixa e facilita a exporta\u00e7\u00e3o do calor da fonte. A desvantagem \u00e9 que o calor est\u00e1 altamente concentrado e requer uma solu\u00e7\u00e3o de arrefecimento mais potente (grande dissipador de calor\/arrefecimento ativo).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfae991 elementor-widget elementor-widget-heading\" data-id=\"dfae991\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"53_Reliability\"><\/span>5.3 Fiabilidade<span class=\"ez-toc-section-end\"><\/span><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd09653 elementor-widget elementor-widget-text-editor\" data-id=\"cd09653\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>SMD: A vantagem \u00e9 que a tecnologia est\u00e1 madura e a falha de um \u00fanico dispositivo afecta a \u00e1rea local. A desvantagem \u00e9 que h\u00e1 muitas juntas de solda (pinos do dispositivo -&gt; PCB) e h\u00e1 muitos pontos de falha potenciais; o stress do ciclo t\u00e9rmico pode afetar a vida das juntas de solda.<\/p><p>COB: A vantagem \u00e9 que h\u00e1 menos juntas de solda (o chip \u00e9 soldado diretamente ao substrato), a estrutura \u00e9 mais s\u00f3lida e a resist\u00eancia \u00e0 vibra\u00e7\u00e3o mec\u00e2nica \u00e9 boa; o caminho t\u00e9rmico \u00e9 direto. A desvantagem \u00e9 que a falha de um \u00fanico chip pode causar a falha de todo o m\u00f3dulo ou uma cor de luz anormal; a camada de f\u00f3sforo \u00e9 grande e os danos locais afectam o conjunto.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ff6f30 elementor-widget elementor-widget-heading\" data-id=\"6ff6f30\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"54_Cost\"><\/span>5.4 Custo<span class=\"ez-toc-section-end\"><\/span><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3261516 elementor-widget elementor-widget-text-editor\" data-id=\"3261516\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>SMD: As vantagens s\u00e3o os componentes normalizados, a produ\u00e7\u00e3o automatizada madura e os baixos custos iniciais dos componentes; os SMD individuais podem ser substitu\u00eddos para manuten\u00e7\u00e3o. As desvantagens s\u00e3o a exist\u00eancia de muitos processos de montagem (montagem de chips, soldadura por refluxo) e a conce\u00e7\u00e3o complexa de PCB.<\/p><p>COB: A vantagem \u00e9 que o processo de montagem da l\u00e2mpada \u00e9 simplificado (s\u00f3 \u00e9 necess\u00e1rio processar um m\u00f3dulo de fonte de luz), reduzindo os custos de m\u00e3o de obra e de fabrico. A desvantagem \u00e9 que o pr\u00f3prio m\u00f3dulo COB tem um custo de fabrico elevado (substrato, cristal s\u00f3lido, processo de revestimento com f\u00f3sforo); o custo de manuten\u00e7\u00e3o \u00e9 elevado (normalmente, todo o m\u00f3dulo \u00e9 substitu\u00eddo).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9d70e3 elementor-widget elementor-widget-heading\" data-id=\"b9d70e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"6_SMD_vs_COB_Application\"><\/span>6. Aplica\u00e7\u00e3o SMD vs COB<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4801f3c elementor-widget elementor-widget-text-editor\" data-id=\"4801f3c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li>SMD: Proporciona uma dissipa\u00e7\u00e3o de calor e uma distribui\u00e7\u00e3o de luz relativamente uniformes, com um \u00e2ngulo de ilumina\u00e7\u00e3o alargado. Os exemplos incluem luzes de painel, candeeiros de secret\u00e1ria e projectores.<\/li><li>COB: Fornece uma fonte de luz concentrada e um foco de luz, resultando num elevado brilho. Os exemplos incluem lanternas, projectores e luzes de palco.<\/li><\/ul><table style=\"width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; text-align: center;\"><thead><tr><th style=\"background: #253d96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">Tipo de lumin\u00e1ria<\/th><th style=\"background: #253d96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">Pacote t\u00edpico de LED<\/th><th style=\"background: #253d96; color: #ffffff; padding: 10px; font-weight: 600; border: 1px solid #e5e7eb;\">Notas \/ Quando \u00e9 prefer\u00edvel<\/th><\/tr><\/thead><tbody><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Painel \/ Troffer<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\"><strong>SMD<\/strong><\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Superf\u00edcie luminosa grande e uniforme; f\u00e1cil de obter uma efic\u00e1cia elevada e uma difus\u00e3o uniforme.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Linear \/ Ripa \/ Calha<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\"><strong>SMD<\/strong><\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Percursos cont\u00ednuos e vigas largas; disposi\u00e7\u00f5es flex\u00edveis; comuns em armaz\u00e9ns e no com\u00e9rcio retalhista.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Tri-proof (IP65\/66)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\"><strong>SMD<\/strong><\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Sa\u00edda alongada e uniforme; boa distribui\u00e7\u00e3o t\u00e9rmica e fiabilidade em locais dif\u00edceis.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Luz de rua\/\u00e1rea<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\"><strong>SMD (corrente principal)<\/strong> \/ COB (algumas antigas\/especiais)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Matrizes SMD + lentes para distribui\u00e7\u00f5es precisas na estrada; COB utilizado quando s\u00e3o necess\u00e1rios feixes estreitos ou adapta\u00e7\u00f5es.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Projetor (\u00e1rea ampla)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">SMD ou COB<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">SMD para uma lavagem ampla e uniforme; COB para um grande impacto com \u00f3pticas mais estreitas ou objectivos de longo alcance.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Ba\u00eda alta (UFO \/ Linear)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">SMD ou COB<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">SMD para uma cobertura ampla e uniforme do corredor; COB para pacotes compactos de alto fluxo luminoso e feixes mais estreitos.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Downlight (Comercial)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">COB (principal) \/ SMD (feixe largo)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">O COB proporciona um feixe central limpo, CBCP elevado; as vers\u00f5es SMD favorecem feixes mais amplos e mais suaves.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Ponto \/ Faixa \/ Sotaque<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\"><strong>COB<\/strong><\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Alta intensidade do feixe central, \u00f3tica apertada, sombras n\u00edtidas; ideal para mercadorias e galerias.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Palco \/ Est\u00fadio \/ Follow-spot<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\"><strong>COB<\/strong><\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Alta densidade de l\u00famenes com feixes control\u00e1veis; boa mistura de cores com acess\u00f3rios.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Canopy \/ Wall Pack<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\"><strong>SMD<\/strong> (comum) \/ COB (compacto de alto rendimento)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">SMD para uma cobertura alargada \u00e0 volta das entradas; COB para um formato mais pequeno com maior pot\u00eancia.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Lavagem arquitet\u00f3nica \/ pastoreio<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\"><strong>SMD<\/strong><\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">As matrizes lineares SMD permitem uma lavagem suave das paredes e o arrastamento com uma dist\u00e2ncia fina entre p\u00edxeis.<\/td><\/tr><tr><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">Port\u00e1til \/ Lanterna \/ Lanterna de cabe\u00e7a<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\"><strong>COB<\/strong> (m\u00f3dulo compacto) \/ SMD (tipo painel)<\/td><td style=\"padding: 10px; border: 1px solid #e5e7eb;\">COB para feixe concentrado, SMD para luz de trabalho ampla em candeeiros de trabalho.<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ddf11d8 elementor-widget elementor-widget-heading\" data-id=\"ddf11d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"7_Summary_And_SMD%E3%80%81COB_Selection_Suggestions\"><\/span>7. Resumo e sugest\u00f5es de sele\u00e7\u00e3o de SMD\u3001COB<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39637f4 elementor-widget elementor-widget-text-editor\" data-id=\"39637f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Ambos est\u00e3o a evoluir, os SMD em busca de uma maior efic\u00e1cia luminosa e de tamanhos mais pequenos (por exemplo, micro LEDs) e os COB que continuam a melhorar a efic\u00e1cia luminosa, a reprodu\u00e7\u00e3o de cores, a fiabilidade e a redu\u00e7\u00e3o de custos. Atualmente, os SMD e os COB coexistem de forma complementar no mercado, desempenhando cada um deles um papel importante nas suas \u00e1reas de especializa\u00e7\u00e3o.<\/p><h5><span class=\"ez-toc-section\" id=\"Choose_SMD_when\"><\/span><strong>Escolha SMD quando:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h5><ul><li>\u00c9 necess\u00e1ria flexibilidade de conce\u00e7\u00e3o (forma, tamanho, distribui\u00e7\u00e3o especial da luz).<\/li><li>A aplica\u00e7\u00e3o \u00e9 de baixa a m\u00e9dia pot\u00eancia (como l\u00e2mpadas dom\u00e9sticas, fitas de luz, luzes decorativas, ilumina\u00e7\u00e3o de fundo).<\/li><li>O custo \u00e9 a principal considera\u00e7\u00e3o (especialmente o custo inicial do dispositivo).<\/li><li>F\u00e1cil de reparar (substituir LEDs individuais).<\/li><li>O \u00edndice de restitui\u00e7\u00e3o de cor mais elevado \u00e9 extremamente exigente (alguns SMD de topo podem atingir CRI&gt;98).<\/li><\/ul><h5><span class=\"ez-toc-section\" id=\"Choose_COB_when\"><\/span><strong>Selecionar COB quando:\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h5><ul><li>Necessita de alta pot\u00eancia\/alta luminosidade (luzes industriais, luzes de rua).<\/li><li>A uniformidade da luz, a suavidade e o baixo encandeamento s\u00e3o fundamentais (por exemplo, projectores comerciais, downlights, ilumina\u00e7\u00e3o interior de alta qualidade).<\/li><li>As lumin\u00e1rias t\u00eam um espa\u00e7o limitado e requerem pequenas superf\u00edcies luminosas para atingir uma elevada intensidade de luz (por exemplo, lanternas, far\u00f3is).<\/li><li>Desejo de simplificar o processo de montagem e fabrico da lumin\u00e1ria.<\/li><li>O bom desempenho da gest\u00e3o t\u00e9rmica \u00e9 um requisito fundamental (o COB tem uma clara vantagem de baixa resist\u00eancia t\u00e9rmica).<\/li><li>Procura de uma experi\u00eancia visual mais pr\u00f3xima da das fontes de luz tradicionais (carater\u00edsticas de emiss\u00e3o de superf\u00edcie).<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>1. Introdu\u00e7\u00e3o Existem v\u00e1rios m\u00e9todos de embalagem de LED, incluindo SMD\u3001COB\u3001MCOB, CSP, DOB, EMC, FC e AC LED. Tanto o SMD como o COB s\u00e3o m\u00e9todos de embalagem de LED (ou seja, como o chip emissor de luz \u00e9 instalado, ligado e conduzido pelo calor), o que afecta o \u00e2ngulo de emiss\u00e3o de luz, o brilho, a capacidade de dissipa\u00e7\u00e3o de calor, a vida \u00fatil, etc. da l\u00e2mpada. Este cap\u00edtulo aborda...<\/p>","protected":false},"author":1,"featured_media":5531,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kadence_starter_templates_imported_post":false,"_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,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-5527","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/posts\/5527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/comments?post=5527"}],"version-history":[{"count":8,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/posts\/5527\/revisions"}],"predecessor-version":[{"id":6702,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/posts\/5527\/revisions\/6702"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/media\/5531"}],"wp:attachment":[{"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/media?parent=5527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/categories?post=5527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ledrhythm.com\/pt\/wp-json\/wp\/v2\/tags?post=5527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}