{"id":4939,"date":"2025-10-31T06:13:56","date_gmt":"2025-10-31T06:13:56","guid":{"rendered":"https:\/\/www.telaled.com\/?p=4939"},"modified":"2026-01-08T09:25:51","modified_gmt":"2026-01-08T09:25:51","slug":"calculating-pixels-per-inch-um-guia-claro-e-pratico","status":"publish","type":"post","link":"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/","title":{"rendered":"V\u00fdpo\u010det pixel\u016f na palec: Jasn\u00fd a praktick\u00fd pr\u016fvodce"},"content":{"rendered":"<section class=\"section\" id=\"section_959238489\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1434252323\">\n\n\t<div id=\"col-1661271239\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<p>Pokud po\u010d\u00edt\u00e1te po\u010det pixel\u016f na palec, pot\u0159ebujete rychl\u00fd zp\u016fsob, jak ur\u010dit ostrost obrazovky. Tato p\u0159\u00edru\u010dka vysv\u011btluje v\u00fdpo\u010dty, ukazuje p\u0159\u00edklady a poskytuje praktick\u00e1 pravidla, kter\u00e1 m\u016f\u017eete pou\u017e\u00edt pro monitory, mobiln\u00ed telefony, televizory a dal\u0161\u00ed. <a href=\"https:\/\/www.telaled.com\/cs\/\">LED panely<\/a>. Tyto kroky m\u016f\u017eete pou\u017e\u00edt k porovn\u00e1n\u00ed obrazovek a v\u00fdb\u011bru spr\u00e1vn\u00e9ho panelu pro po\u017eadovanou pozorovac\u00ed vzd\u00e1lenost.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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\">Obsah<\/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=\"P\u0159epnout obsah\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159epnout<\/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:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#O_que_significa_PPI_em_termos_simples\" >Co znamen\u00e1 PPI, jednodu\u0161e \u0159e\u010deno?.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#A_formula_basica\" >Z\u00e1kladn\u00ed vzorec<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#Conversao_rapida_Pixel_Pitch_mm_-%3E_PPI\" >Rychl\u00fd p\u0159evod: Rozte\u010d pixel\u016f (mm) -&gt; PPI<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#Faixas_de_referencia_comuns_de_PPI_e_orientacoes_de_visualizacao\" >B\u011b\u017en\u00e9 referen\u010dn\u00ed rozmez\u00ed PPI a pokyny pro prohl\u00ed\u017een\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#Regras_praticas_para_projetar_e_comprar\" >Praktick\u00e1 pravidla pro navrhov\u00e1n\u00ed a n\u00e1kup<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#Erros_frequentes\" >\u010cast\u00e9 chyby<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#Entendendo_a_relacao_entre_PPI_e_espacamento_entre_pixels\" >Pochopen\u00ed vztahu mezi PPI a rozte\u010d\u00ed pixel\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#Calculos_de_exemplo_passo_a_passo\" >Podrobn\u00e9 p\u0159\u00edklady v\u00fdpo\u010dt\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#Como_escolher_o_espacamento_entre_pixels_com_base_na_distancia_de_visualizacao\" >Jak zvolit rozte\u010d pixel\u016f na z\u00e1klad\u011b pozorovac\u00ed vzd\u00e1lenosti<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#Principais_conclusoes\" >Kl\u00ed\u010dov\u00e1 zji\u0161t\u011bn\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#Resumo_das_Formulas\" >Souhrn vzorc\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.telaled.com\/cs\/calculating-pixels-per-inch-um-guia-claro-e-pratico\/#Consideracoes_finais\" >Z\u00e1v\u011bre\u010dn\u00e9 \u00favahy<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"O_que_significa_PPI_em_termos_simples\"><\/span>Co znamen\u00e1 PPI, jednodu\u0161e \u0159e\u010deno?.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div>\n<p>PPI (pixely na palec) je po\u010det pixel\u016f zabalen\u00fdch do \u0159\u00e1dku na obrazovce. Vy\u0161\u0161\u00ed PPI poskytuje v\u011bt\u0161\u00ed ostrost na kr\u00e1tk\u00e9 vzd\u00e1lenosti. Ni\u017e\u0161\u00ed PPI je vhodn\u00e9 pro velk\u00e9 obrazovky pozorovan\u00e9 z d\u00e1lky. PPI porovn\u00e1v\u00e1 rozli\u0161en\u00ed a velikost, co\u017e v\u00e1m umo\u017e\u0148uje posoudit vn\u00edmanou ostrost.<\/p>\n<\/div>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_2059282141\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"638\" src=\"https:\/\/www.telaled.com\/wp-content\/uploads\/2025\/10\/PPI-1024x640.webp\" class=\"attachment-large size-large\" alt=\"PPI\" srcset=\"https:\/\/www.telaled.com\/wp-content\/uploads\/2025\/10\/PPI-1024x640.webp 1024w, https:\/\/www.telaled.com\/wp-content\/uploads\/2025\/10\/PPI-300x188.webp 300w, https:\/\/www.telaled.com\/wp-content\/uploads\/2025\/10\/PPI-768x480.webp 768w, https:\/\/www.telaled.com\/wp-content\/uploads\/2025\/10\/PPI-1536x960.webp 1536w, https:\/\/www.telaled.com\/wp-content\/uploads\/2025\/10\/PPI-18x12.webp 18w, https:\/\/www.telaled.com\/wp-content\/uploads\/2025\/10\/PPI-600x375.webp 600w, https:\/\/www.telaled.com\/wp-content\/uploads\/2025\/10\/PPI.webp 1728w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/>\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_2059282141 {\n  width: 90%;\n}\n<\/style>\n\t<\/div>\n\t\n<h2><span class=\"ez-toc-section\" id=\"A_formula_basica\"><\/span>Z\u00e1kladn\u00ed vzorec<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tento vzorec pou\u017eijte, pokud zn\u00e1te \u0161\u00ed\u0159ku a v\u00fd\u0161ku <a href=\"https:\/\/www.telaled.com\/cs\/compreendendo-as-pixel-tela-principais-recursos-beneficios-e-aplicacao\/\">obrazovka v pixelech<\/a> a jeho \u00fahlop\u0159\u00ed\u010dka v palc\u00edch.<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 120%;\"><em><strong>PPI = \u221a(\u0161\u00ed\u0159ka\u00b2 + v\u00fd\u0161ka\u00b2) \/ \u00fahlop\u0159\u00ed\u010dka<\/strong><\/em><\/span><\/p>\n<p><strong>Kroky:<\/strong><\/p>\n<ol>\n<li>Umocn\u011bte \u0161\u00ed\u0159ku pixelu na druhou.<\/li>\n<li>Umocn\u011bte v\u00fd\u0161ku pixelu na druhou.<\/li>\n<li>Se\u010dt\u011bte dva \u010dtverce dohromady.<\/li>\n<li>Vypo\u010d\u00edtejte druhou odmocninu (v\u00fdsledkem jsou diagon\u00e1ln\u00ed pixely).<\/li>\n<\/ol>\n<div><em><strong>P\u0159\u00edklad: 15,6\u2033 notebook s rozli\u0161en\u00edm 1920\u00d71080<\/strong><\/em><\/div>\n<div>\u00a0<\/div>\n<ol>\n<li>1920\u00b2 = 3 686 400<\/li>\n<li>1080\u00b2 = 1 166 400<\/li>\n<li>Sou\u010det = 3 686 400 + 1 166 400 = 4 852 800<\/li>\n<li>Druh\u00e1 odmocnina = \u221a4 852 800 \u2248 2 202 908<\/li>\n<li>D\u011bleno 16,6\u2033: 2 202 905 \/ 16,6 \u2248 141,22 PPI<\/li>\n<\/ol>\n<p>Tak\u017ee, tato obrazovka je o <strong>141 PPI (pixel\u016f na palec)<\/strong>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conversao_rapida_Pixel_Pitch_mm_-%3E_PPI\"><\/span><strong>Rychl\u00e1 konverze: <a href=\"https:\/\/www.telaled.com\/cs\/pixel-pitch\/\">Rozte\u010d pixel\u016f<\/a> (mm) -&gt; PPI<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div>U LED diod a digit\u00e1ln\u00edch signage se rozte\u010d pixel\u016f obvykle m\u011b\u0159\u00ed v milimetrech. P\u0159eve\u010fte rozte\u010d (P, v mm) na PPI:<\/div>\n<div>\u00a0<\/div>\n<div><em>PPI = 25,4\/P<\/em><\/div>\n<div>\u00a0<\/div>\n<div><em>(25,4 mm = 1 palec)<\/em><\/div>\n<div>\u00a0<\/div>\n<div><em>P\u0159\u00edklad: P = 2,5 m \u2192 25,4\/2,5 = 10,16 m PPI<\/em><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Faixas_de_referencia_comuns_de_PPI_e_orientacoes_de_visualizacao\"><\/span><strong>B\u011b\u017en\u00e9 referen\u010dn\u00ed rozmez\u00ed PPI a pokyny pro prohl\u00ed\u017een\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tyto informace pou\u017eijte jako hrub\u00fd n\u00e1vod. Seznam uv\u00e1d\u00ed rozte\u010d pixel\u016f v milimetrech, pokud je to relevantn\u00ed, a p\u0159ibli\u017enou pozorovac\u00ed vzd\u00e1lenost v metrech.<\/p>\n<table dir=\"ltr\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" data-sheets-root=\"1\" data-sheets-baot=\"1\">\n<colgroup>\n<col width=\"218\" \/>\n<col width=\"175\" \/>\n<col width=\"268\" \/><\/colgroup>\n<tbody>\n<tr>\n<td>Chytr\u00e9 telefony<\/td>\n<td>300\u2013500 PPI<\/td>\n<td>Typick\u00e1 pozorovac\u00ed vzd\u00e1lenost: ~0,25 m<\/td>\n<\/tr>\n<tr>\n<td>Notebooky<\/td>\n<td>120 \u2013 200 PPI<\/td>\n<td>Typick\u00e1 pozorovac\u00ed vzd\u00e1lenost: ~0,5\u20130,8 m<\/td>\n<\/tr>\n<tr>\n<td>Stoln\u00ed monitory<\/td>\n<td>90\u2013220 PPI (v z\u00e1vislosti na velikosti a rozli\u0161en\u00ed)<\/td>\n<td>Typick\u00e1 pozorovac\u00ed vzd\u00e1lenost: ~0,6\u20131,0 m<\/td>\n<\/tr>\n<tr>\n<td>Televizory<\/td>\n<td>40\u2013150 PPI<\/td>\n<td>Typick\u00e1 pozorovac\u00ed vzd\u00e1lenost: ~1,5\u20134 m<\/td>\n<\/tr>\n<tr>\n<td>LED panely pro vnit\u0159n\u00ed prost\u0159ed\u00ed<\/td>\n<td>P1,2 \u2013 P3. P\u0159ibli\u017en\u011b 8,5\u201321 PPI<\/td>\n<td>Pozorovac\u00ed vzd\u00e1lenost: ~4-20 m<\/td>\n<\/tr>\n<tr>\n<td>Velk\u00e9 venkovn\u00ed LED panely<\/td>\n<td>P4 \u2013 P10. P\u0159ibli\u017en\u011b 2,5\u20136,35 PPI<\/td>\n<td>Pozorovac\u00ed vzd\u00e1lenost p\u0159ibli\u017en\u011b 4\u201320 m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Pro odhad pozorovac\u00ed vzd\u00e1lenosti pou\u017eijte metry a pro v\u00fdpo\u010det rozte\u010de pixel\u016f milimetry.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Regras_praticas_para_projetar_e_comprar\"><\/span><strong>Praktick\u00e1 pravidla pro navrhov\u00e1n\u00ed a n\u00e1kup<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>U obsahu, u kter\u00e9ho o\u010dek\u00e1v\u00e1te, \u017ee si ho lid\u00e9 budou pe\u010dliv\u011b \u010d\u00edst, se zam\u011b\u0159te na vysok\u00fd PPI.<\/li>\n<li>U billboard\u016f nebo velk\u00fdch reklamn\u00edch cedul\u00ed pou\u017eijte v\u011bt\u0161\u00ed rozte\u010d pixel\u016f a akceptujte ni\u017e\u0161\u00ed PPI. Obsah by m\u011bl pou\u017e\u00edvat velk\u00e1 p\u00edsma a tu\u010dnou grafiku.<\/li>\n<li>U LED oken ve skle je pro kr\u00e1tk\u00e9 vzd\u00e1lenosti vhodn\u00e1 rozte\u010d pixel\u016f men\u0161\u00ed ne\u017e 2,5 mm. Pro ulice<\/li>\n<li>Pokud zn\u00e1te pozorovac\u00ed vzd\u00e1lenost fas\u00e1d sm\u011b\u0159uj\u00edc\u00edch k div\u00e1kovi, b\u011b\u017en\u00e1 je P4 \u2013 P10.<\/li>\n<li>Pokud zn\u00e1te pozorovac\u00ed vzd\u00e1lenost, zvolte rozte\u010d pixel\u016f tak, aby jednotliv\u00e9 pixely nebyly v t\u00e9to vzd\u00e1lenosti viditeln\u00e9. Jednoduch\u00e9 pravidlo: pokud je pozorovac\u00ed vzd\u00e1lenost X metr\u016f, bude rozte\u010d pixel\u016f p\u0159ibli\u017en\u011b X x 1,0 a\u017e 1,5 (praktick\u00e9 pravidlo pro p\u0159ibli\u017enou \u010ditelnost; upravte vizu\u00e1ln\u011b).<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Erros_frequentes\"><\/span>\u010cast\u00e9 chyby<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Porovn\u00e1v\u00e1n\u00ed rozli\u0161en\u00ed bez ohledu na velikost obrazovky nen\u00ed dobr\u00fd n\u00e1pad. 4K televizor na velmi velk\u00e9m panelu se m\u016f\u017ee i tak jevit rozmazan\u00fd, pokud sed\u00edte velmi bl\u00edzko n\u011bj.<\/li>\n<li>Pro mal\u00e9 obrazovky pou\u017e\u00edvejte pouze rozte\u010d pixel\u016f. Pro mobiln\u00ed telefony a monitory vypo\u010d\u00edtejte PPI (pixely na palec).<\/li>\n<li>V\u00fdb\u011br rozte\u010de pixel\u016f mezi LED diodami pouze na z\u00e1klad\u011b ceny nesta\u010d\u00ed. Vyberte rozte\u010d podle po\u017eadovan\u00e9 pozorovac\u00ed vzd\u00e1lenosti.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Entendendo_a_relacao_entre_PPI_e_espacamento_entre_pixels\"><\/span>Pochopen\u00ed vztahu mezi PPI a rozte\u010d\u00ed pixel\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>PPI a rozte\u010d pixel\u016f popisuj\u00ed hustotu pixel\u016f, ale v r\u016fzn\u00fdch jednotk\u00e1ch:<\/div>\n<div>\u00a0<\/div>\n<ul>\n<li>PPI (pixely na palec) \u2013 pou\u017e\u00edv\u00e1 se v monitorech, mobiln\u00edch telefonech a televizorech.<\/li>\n<li>Rozte\u010d pixel\u016f (mm) \u2013 pou\u017e\u00edv\u00e1 se v LED obrazovk\u00e1ch<\/li>\n<\/ul>\n<div>\u00a0<\/div>\n<div>S klesaj\u00edc\u00ed rozte\u010d\u00ed pixel\u016f se zvy\u0161uje PPI; to znamen\u00e1, \u017ee obrazovka dok\u00e1\u017ee zobrazit ost\u0159ej\u0161\u00ed detaily. Pro sledov\u00e1n\u00ed zbl\u00edzka (nap\u0159\u00edklad v \u0159\u00eddic\u00edch m\u00edstnostech nebo na vnit\u0159n\u00edch displej\u00edch) zvolte men\u0161\u00ed rozte\u010d pixel\u016f, nap\u0159\u00edklad P1,5 nebo P2. Pro velk\u00e9 billboardy, <a href=\"https:\/\/www.telaled.com\/cs\/fabrica\/modulo-painel-de-led-p6\/\">P6<\/a> a <a href=\"https:\/\/www.telaled.com\/cs\/fabrica\/modulo-painel-de-led-p10\/\">P10<\/a> Je to prakti\u010dt\u011bj\u0161\u00ed a ekonomi\u010dt\u011bj\u0161\u00ed.<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Calculos_de_exemplo_passo_a_passo\"><\/span>Podrobn\u00e9 p\u0159\u00edklady v\u00fdpo\u010dt\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div><em><strong>P\u0159\u00edklad 1: Chytr\u00fd telefon<\/strong><\/em><br \/><em><strong>Rozli\u0161en\u00ed obrazovky: 2532 x 117<\/strong><\/em><br \/><em><strong>Velikost obrazovky: 6,1\u2033<\/strong><\/em><\/div>\n<div>\u00a0<\/div>\n<div><strong>PPI = sqrt((2532^2 + 1170^2)) \/ 6,1<\/strong><br \/><strong>PPI = sqrt(6412224 + 1368900) \/ 6,1<\/strong><br \/><strong>PPI = sqrt(7781124) \/ 6,1<\/strong><br \/><strong>PPI = 2789,47 \/ 6,1<\/strong><br \/><strong>PPI = 457,3<\/strong><\/div>\n<div>\u00a0<\/div>\n<div>V\u00fdsledek: 457 PPI, co\u017e vysv\u011btluje, pro\u010d se obrazovky chytr\u00fdch telefon\u016f zbl\u00edzka jev\u00ed extr\u00e9mn\u011b ost\u0159e.<\/div>\n<div>\u00a0<\/div>\n<div>\n<div><em><strong>P\u0159\u00edklad 2: LED obrazovka (rozte\u010d pixel\u016f 2,0 mm)<\/strong><\/em><\/div>\n<div>\u00a0<\/div>\n<div><strong>PPI = 25,4 \/ 2,0<\/strong><\/div>\n<div><strong>PPI = 12,7<\/strong><\/div>\n<div>\u00a0<\/div>\n<div>V\u00fdsledek: 12,7 PPI, vhodn\u00e9 pro pou\u017eit\u00ed v interi\u00e9ru s pozorovac\u00ed vzd\u00e1lenost\u00ed p\u0159ibli\u017en\u011b 2 metry.<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Como_escolher_o_espacamento_entre_pixels_com_base_na_distancia_de_visualizacao\"><\/span>Jak zvolit rozte\u010d pixel\u016f na z\u00e1klad\u011b pozorovac\u00ed vzd\u00e1lenosti<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>\n<div>\n<div>Jednoduch\u00e9 pravidlo:<\/div>\n<div>Vzd\u00e1lenost mezi pixely (mm) \u2248 Minim\u00e1ln\u00ed pozorovac\u00ed vzd\u00e1lenost (metry)<\/div>\n<div>\u00a0<\/div>\n<div><em>P\u0159\u00edklady:<\/em><\/div>\n<div><em>Obrazovka <a href=\"https:\/\/www.telaled.com\/cs\/fabrica\/modulo-painel-de-led-p2-5\/\">P2.5 <\/a>\u2192 nejl\u00e9pe viditeln\u00e9 z p\u0159ibli\u017en\u011b 2,5 metru<\/em><\/div>\n<div><em>Obrazovka <a href=\"https:\/\/www.telaled.com\/cs\/fabrica\/modulo-painel-de-led-p5\/\">P5<\/a> \u2192 nejlep\u0161\u00ed pozorov\u00e1n\u00ed z p\u0159ibli\u017en\u011b 5 metr\u016f<\/em><\/div>\n<div><em>P10 \u2192 nejlep\u0161\u00ed pozorov\u00e1n\u00ed z p\u0159ibli\u017en\u011b 10 metr\u016f<\/em><\/div>\n<div>\u00a0<\/div>\n<div>Toto pravidlo nen\u00ed p\u0159esn\u00e9, ale funguje dob\u0159e jako rychl\u00fd pr\u016fvodce pl\u00e1nov\u00e1n\u00edm.<\/div>\n<\/div>\n<\/div>\n\t<div id=\"gap-699447309\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-699447309 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-1119847038\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1119847038 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n<h3><span class=\"ez-toc-section\" id=\"Principais_conclusoes\"><\/span>Kl\u00ed\u010dov\u00e1 zji\u0161t\u011bn\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>\n<ul>\n<li>PPI m\u011b\u0159\u00ed \u00farove\u0148 detail\u016f v obraze p\u0159i pohledu zbl\u00edzka.<\/li>\n<li>Rozte\u010d pixel\u016f je fyzick\u00e1 vzd\u00e1lenost mezi LED diodami na obrazovce.<\/li>\n<li>Vy\u0161\u0161\u00ed PPI nebo men\u0161\u00ed rozte\u010d pixel\u016f m\u00e1 za n\u00e1sledek men\u0161\u00ed obr\u00e1zky.<\/li>\n<li>Hustota pixel\u016f obrazovky by m\u011bla b\u00fdt vhodn\u00e1 pro vzd\u00e1lenost, ze kter\u00e9 lid\u00e9 obvykle sed\u00ed p\u0159i jej\u00edm sledov\u00e1n\u00ed.<\/li>\n<\/ul>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Resumo_das_Formulas\"><\/span>Souhrn vzorc\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div><em><strong>Pro va\u0161e pohodl\u00ed uv\u00e1d\u00edme dva vzorce v prost\u00e9m textu:<\/strong><\/em><\/div>\n<div>\u00a0<\/div>\n<div><em>Pro obrazovky (s pou\u017eit\u00edm rozli\u0161en\u00ed a velikosti):<\/em><\/div>\n<div>\u00a0<\/div>\n<div>PPI = \u010dtvere\u010dn\u00ed ((\u0161\u00ed\u0159ka^2 + v\u00fd\u0161ka^2)) \/ \u00fahlop\u0159\u00ed\u010dka<\/div>\n<div>\u00a0<\/div>\n<div><em><strong>Pro LED panely (s rozte\u010d\u00ed pixel\u016f v mm)<\/strong><\/em><\/div>\n<div>\u00a0<\/div>\n<div>PPI = 25,4 \/ rozte\u010d pixel\u016f<\/div>\n<div>\u00a0<\/div>\n<h3><span class=\"ez-toc-section\" id=\"Consideracoes_finais\"><\/span>Z\u00e1v\u011bre\u010dn\u00e9 \u00favahy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div>\n<div>Znalost v\u00fdpo\u010dtu po\u010dtu pixel\u016f na palec (PPI) v\u00e1m pom\u016f\u017ee \u010dinit informovan\u011bj\u0161\u00ed rozhodnut\u00ed p\u0159i v\u00fdb\u011bru nebo porovn\u00e1v\u00e1n\u00ed obrazovek. To ud\u00e1v\u00e1 skute\u010dnou ostrost obrazovky, krom\u011b marketingov\u00fdch term\u00edn\u016f jako \u201c<a href=\"https:\/\/www.telaled.com\/cs\/fabrica\/painel-led-full-hd-da-serie-the\/\">Full HD<\/a>\u201d\u201c nebo \u201d4K\u201c. U LED aplikac\u00ed poskytuje p\u0159evod rozte\u010de pixel\u016f (PiP) na PPI jasn\u011bj\u0161\u00ed obraz vizu\u00e1ln\u00ed kvality na velk\u00e9 vzd\u00e1lenosti a ide\u00e1ln\u00ed pozorovac\u00ed vzd\u00e1lenost.<\/div>\n<div>\u00a0<\/div>\n<div>A\u0165 u\u017e jste design\u00e9r, integr\u00e1tor nebo n\u00e1kup\u010d\u00ed, pochopen\u00ed konceptu PPI (post-pinpoint resolution) zajist\u00ed, \u017ee va\u0161e obrazovka bude m\u00edt stejnou vizu\u00e1ln\u00ed kvalitu, jakou vypad\u00e1 na pap\u00ed\u0159e.<\/div>\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_959238489 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n  background-color: rgb(245, 245, 245);\n}\n<\/style>\n\t<\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":4940,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,21],"tags":[],"class_list":["post-4939","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","category-intercambio-tecnico"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Calculating Pixels per Inch: Um Guia Claro e Pr\u00e1tico | TELALED<\/title>\n<meta name=\"description\" content=\"Aprenda a calculating Pixels per Inch (PPI) usando f\u00f3rmulas simples e exemplos pr\u00e1ticos. 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