{"id":1346,"date":"2022-07-23T13:38:31","date_gmt":"2022-07-23T13:38:31","guid":{"rendered":"https:\/\/global.tab-tv.com\/sk\/?p=1346"},"modified":"2022-07-23T13:38:32","modified_gmt":"2022-07-23T13:38:32","slug":"vysvetlenie-vyznamu-technologie-televizorov-micro-led","status":"publish","type":"post","link":"https:\/\/global.tab-tv.com\/sk\/vysvetlenie-vyznamu-technologie-televizorov-micro-led\/","title":{"rendered":"Vysvetlenie v\u00fdznamu technol\u00f3gie telev\u00edzorov Micro LED"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\"><a><\/a><strong>\u010co je to telev\u00edzor Micro LED?<\/strong><\/h1>\n\n\n\n<p>Telev\u00edzory Micro LED, to je nov\u00e1 technol\u00f3gia na v\u00fdrobu telev\u00edznych displejov alebo reklamn\u00fdch panelov. Samotn\u00fd princ\u00edp zobrazovania obrazu, ktor\u00fd vytv\u00e1raj\u00fa LED di\u00f3dy, samozrejme nie je nov\u00fd. V\u0161etci sme u\u017e videli reklamn\u00e9 videosteny vyroben\u00e9 z LED di\u00f3d. Predt\u00fdm mali \u010faleko od dokonalosti a pou\u017e\u00edvali sa len na reklamu. Ak sa na tak\u00fato obrazovku pozriete zbl\u00edzka, m\u00f4\u017eete vidie\u0165 jednotliv\u00e9 LED di\u00f3dy.<\/p>\n\n\n\n<p>Hlavn\u00fdm v\u00fdvoj\u00e1rom technol\u00f3gie Micro LED pre telev\u00edzory je spolo\u010dnos\u0165 Samsung. Ke\u010f\u017ee spolo\u010dnos\u0165 Samsung kedysi odmietla vyv\u00edja\u0165 ve\u013ek\u00e9 displeje OLED, zamerala uvo\u013enen\u00fd vedeck\u00fd potenci\u00e1l na v\u00fdvoj displejov Micro LED a QLED.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Ak\u00fd je rozdiel medzi Micro LED a LED a OLED<\/strong><\/h2>\n\n\n\n<p>Stru\u010dne o rozdieloch medzi LED, OLED a micro LED: Mali by ste vedie\u0165, \u017ee technol\u00f3gia micro LED zatia\u013e neumo\u017e\u0148uje v\u00fdrobu mal\u00fdch displejov. Preto maj\u00fa telev\u00edzory micro LED v\u00e4\u010d\u0161ie obrazovky, zvy\u010dajne 100 palcov alebo viac.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>LED <\/strong>&#8211;<\/li><\/ul>\n\n\n\n<p>Klasick\u00e9 displeje, obrazovka sa sklad\u00e1 z pixelov (kry\u0161t\u00e1ly, ktor\u00e9 s\u00fa in\u0161talovan\u00e9 v bunk\u00e1ch, ke\u010f sa pou\u017eije ur\u010dit\u00e9 nap\u00e4tie, ot\u00e1\u010daj\u00fa sa), ke\u010f sa ot\u00e1\u010daj\u00fa, polariz\u00e1cia kry\u0161t\u00e1lu sa men\u00ed, sveteln\u00fd tok, ktor\u00fd je vytvoren\u00fd podsvieten\u00edm na zadnej strane obrazovky, prech\u00e1dza cez pixely (\u010derven\u00e1, modr\u00e1, zelen\u00e1) a tak vid\u00edme obraz. Pomerne star\u00e1 technol\u00f3gia, vyvinut\u00e1 v 20. storo\u010d\u00ed, sa za\u010dala masovo pou\u017e\u00edva\u0165 na za\u010diatku 21. storo\u010dia. Mali by ste vedie\u0165, \u017ee 90 % dne\u0161n\u00fdch telev\u00edzorov sa vyr\u00e1ba pomocou tejto technol\u00f3gie.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>OLED <\/strong>&#8211;<\/li><\/ul>\n\n\n\n<p>Vlastnosti tak\u00fdchto displejov s\u00fa, \u017ee obrazovka sa sklad\u00e1 z organick\u00fdch LED di\u00f3d ve\u013ekosti pixelu (tie\u017e 3 farby, na zv\u00fd\u0161enie celkov\u00e9ho jasu sa pou\u017e\u00edvaj\u00fa aj 4 pixely bielej farby), organick\u00e9 LED di\u00f3dy vy\u017earuj\u00fa svetlo, jas sa men\u00ed v z\u00e1vislosti od mno\u017estva nap\u00e4tia priv\u00e1dzan\u00e9ho na LED di\u00f3dy. Zvl\u00e1\u0161tnos\u0165ou t\u00fdchto obrazoviek je, \u017ee nepotrebuj\u00fa podsvietenie, tak\u017ee m\u00f4\u017eete vytvori\u0165 dokonal\u00fa \u010diernu. OLED m\u00e1 v\u0161ak v\u00fdhody aj nev\u00fdhody, v\u00fdhodou je ve\u013emi dobr\u00e1 kvalita obrazu, ktor\u00e1 je nad \u00farov\u0148ou displejov LED. Z nev\u00fdhod m\u00f4\u017eeme rozl\u00ed\u0161i\u0165 dva faktory n\u00edzky jas, to sa rob\u00ed \u0161peci\u00e1lne na pred\u013a\u017eenie \u017eivotnosti displeja, druhou nev\u00fdhodou je starnutie organick\u00fdch di\u00f3d LED, \u010dasom sa jas zni\u017euje a di\u00f3dy LED starn\u00fa nerovnomerne, tak\u017ee po ur\u010ditom \u010dase m\u00f4\u017eete vidie\u0165 posun farebn\u00fdch odtie\u0148ov. Obrazovka spravidla z\u00edska \u010derven\u00fd odtie\u0148, je to sp\u00f4soben\u00e9 t\u00fdm, \u017ee modr\u00e9 organick\u00e9 LED maj\u00fa najkrat\u0161iu \u017eivotnos\u0165.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Mikro LED <\/strong>&#8211; pixel (pixely s\u00fa tie\u017e trojfarebn\u00e9) sa sklad\u00e1 z nieko\u013ek\u00fdch desiatok mikro LED, LED nie s\u00fa organick\u00e9. Toto u\u017e nie s\u00fa obrazovky vyroben\u00e9 na jednej sklenenej doske, ide o displej vyroben\u00fd z ve\u013emi husto umiestnen\u00fdch LED di\u00f3d. Kv\u00f4li probl\u00e9mom s hustotou nie je mo\u017en\u00e9 vytvori\u0165 mal\u00e9 telev\u00edzory. Na kvalitn\u00fd obraz nie je dostato\u010dn\u00e1 hustota pixelov. Technol\u00f3gia obrazovky Micro LED neumo\u017e\u0148uje pozorovacie uhly ako OLED alebo LED. Pozorovacie uhly obrazoviek Micro LED s\u00fa 155 pri 145 stup\u0148och, \u010do je o nie\u010do hor\u0161ie ako u OLED. Druhou nev\u00fdhodou je h\u013abka farebn\u00fdch odtie\u0148ov, v\u00fdrobcovia neuv\u00e1dzaj\u00fa, ko\u013eko t\u00f3nov pren\u00e1\u0161aj\u00fa obrazovky Micro LED, a to nazna\u010duje, \u017ee tento parameter je ove\u013ea hor\u0161\u00ed ako u OLED. Povedzme, \u017ee t\u00e1to technol\u00f3gia je st\u00e1le vo v\u00fdvoji a len na po\u010diato\u010dnej \u00farovni pou\u017e\u00edvania, potrv\u00e1 5 a\u017e 7 rokov, k\u00fdm sa t\u00e1to technol\u00f3gia dostane do masov\u00e9ho pou\u017e\u00edvania.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Ako funguje displej micro LED<\/strong><\/h2>\n\n\n\n<p>Princ\u00edp fungovania mikro-LED sa nel\u00ed\u0161i od princ\u00edpu fungovania OLED displeja, ale je odli\u0161n\u00fd od LED displejov. Na LED (micro) sa priv\u00e1dza nap\u00e4tie, pri\u010dom hodnota nap\u00e4tia men\u00ed jas LED. Mikro-LED s\u00fa zoskupen\u00e9, jeden pixel pren\u00e1\u0161an\u00fd v obraze je nieko\u013eko desiatok mikro-LED ved\u013ea seba. V\u010faka tomuto usporiadaniu je k dispoz\u00edcii nieko\u013eko stup\u0148ov jasu, a to nielen prikladan\u00edm nap\u00e4tia, ale aj vyp\u00ednan\u00edm niektor\u00fdch di\u00f3d v pixeli. \u00dapln\u00e9 vypnutie pixelov umo\u017e\u0148uje vytvori\u0165 \u010diernu farbu bez zvy\u0161kov\u00e9ho podsvietenia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Pre\u010do sa v telev\u00edznych displejoch pou\u017e\u00edvaj\u00fa mikroluminiscen\u010dn\u00e9 di\u00f3dy LED<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"300\" src=\"https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2022\/07\/Micro-LED-Screen.webp\" alt=\"\" class=\"wp-image-1347\" srcset=\"https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2022\/07\/Micro-LED-Screen.webp 450w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2022\/07\/Micro-LED-Screen-300x200.webp 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/figure>\n\n\n\n<p>Mo\u017eno sa p\u00fdtate, pre\u010do sa pou\u017e\u00edvaj\u00fa mikrodi\u00f3dy, preto\u017ee je mo\u017en\u00e9 vyrobi\u0165 di\u00f3du LED ve\u013ekosti pixelu. To je v\u0161ak ovplyvnen\u00e9 viacer\u00fdmi faktormi. Jedn\u00fdm z faktorov spo\u013eahlivosti, ak LED di\u00f3da zlyh\u00e1 (ak m\u00e1 ve\u013ekos\u0165 pixelu), na obrazovke bude rozbit\u00fd pixel. T\u00fato poruchu nemo\u017eno odstr\u00e1ni\u0165 bez v\u00fdmeny obrazovky. Ak sa pou\u017e\u00edvaj\u00fa mikrodi\u00f3dy, potom zlyhanie aj nieko\u013ek\u00fdch di\u00f3d bude pre div\u00e1ka prakticky nepostrehnute\u013en\u00e9. Dosiahne sa ve\u013ek\u00e1 rezerva tolerancie vo\u010di poruch\u00e1m. \u017divotnos\u0165 obrazovky s mikrodi\u00f3dami je pribli\u017ene 100 000 hod\u00edn prev\u00e1dzky, to je 12 rokov nepretr\u017eitej prev\u00e1dzky.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Pre\u010do s\u00fa obrazovky micro-LED drah\u00e9<\/strong><\/h2>\n\n\n\n<p>Hoci sa technol\u00f3gia mikro-LED st\u00e1le vyv\u00edja, n\u00e1klady na v\u00fdrobu tak\u00fdchto obrazoviek s\u00fa ve\u013emi vysok\u00e9. Umiestnenie desiatok mili\u00f3nov mikro-LED di\u00f3d na matricu obrazovky je n\u00e1ro\u010dn\u00e9. Pred in\u0161tal\u00e1ciou je tie\u017e potrebn\u00e9 LED di\u00f3dy otestova\u0165, musia ma\u0165 rovnak\u00fd jas a rovnak\u00fd farebn\u00fd gamut.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Probl\u00e9my pri v\u00fdrobe obrazoviek micro-LED<\/strong><\/h2>\n\n\n\n<p>Doteraz sa v\u00fdrobcom nepodarilo vytvori\u0165 prijate\u013en\u00e9 obrazovky Micro LED z h\u013eadiska po\u010dtu pixelov, ve\u013ekos\u0165 pixelov je pomerne ve\u013ek\u00e1 a m\u00f4\u017eete vytvori\u0165 len ve\u013ek\u00fd telev\u00edzor, napr\u00edklad najmen\u0161\u00ed telev\u00edzor Samsung s ve\u013ekos\u0165ou 146 palcov a cena tak\u00e9hoto telev\u00edzora je pribli\u017ene 200 000 USD. A ako ste pochopili, mus\u00edte ho sledova\u0165 zo vzdialenosti 5 a\u017e 10 metrov. V\u00e4\u010d\u0161ina kupuj\u00facich nepotrebuje tak\u00e9 obrovsk\u00e9 obrazovky. Ob\u013e\u00fabenej\u0161ie s\u00fa obrazovky s uhloprie\u010dkou 50 a\u017e 60 palcov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Maj\u00fa obrazovky micro LED bud\u00facnos\u0165<\/strong><\/h2>\n\n\n\n<p>S ur\u010dit\u00fdmi vylep\u0161eniami (zmen\u0161enie ve\u013ekosti pixelu) a lacnej\u0161ou v\u00fdrobou bud\u00fa tieto obrazovky, samozrejme, predstavova\u0165 v\u00fdznamn\u00fa konkurenciu obrazovk\u00e1m OLED. Pod\u013ea odborn\u00edkov v tejto oblasti a samotn\u00fdch v\u00fdrobcov v\u0161ak finaliz\u00e1cia obrazoviek Micro LED potrv\u00e1 pribli\u017ene 5 rokov. Ostatn\u00ed v\u00fdrobcovia displejov tie\u017e nestoj\u00ed na mieste LG neust\u00e1le zlep\u0161uje OLED. Aby sa telev\u00edzor Micro LED stal konkurentom OLED, je potrebn\u00e9 zn\u00ed\u017ei\u0165 cenu o nieko\u013eko r\u00e1dov. Rozhodnutie vyr\u00e1ba\u0165 telev\u00edzory micro LED zo \u0161tandardn\u00fdch jednotiek, k\u00fapite \u0161tandardn\u00e9 jednotky a vyrob\u00edte z nich telev\u00edzor, je celkom zauj\u00edmav\u00e9 rie\u0161enie. Mysl\u00edm si, \u017ee micro LED je sk\u00f4r segmentom ve\u013ek\u00fdch reklamn\u00fdch panelov na priemyseln\u00e9 pou\u017eitie ako na dom\u00e1ce pou\u017eitie.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u010co je to telev\u00edzor Micro LED? Telev\u00edzory Micro LED, to je nov\u00e1 technol\u00f3gia na v\u00fdrobu telev\u00edznych displejov alebo reklamn\u00fdch panelov. Samotn\u00fd princ\u00edp zobrazovania obrazu, ktor\u00fd vytv\u00e1raj\u00fa LED di\u00f3dy, samozrejme nie je nov\u00fd. V\u0161etci sme u\u017e videli reklamn\u00e9 videosteny vyroben\u00e9 z LED di\u00f3d. Predt\u00fdm mali \u010faleko od dokonalosti a pou\u017e\u00edvali sa len na reklamu. Ak sa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1347,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[86,26],"tags":[79,87],"class_list":{"0":"post-1346","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-technologia","8":"category-tv","9":"tag-samsung-tv","10":"tag-technologia"},"_links":{"self":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/1346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/comments?post=1346"}],"version-history":[{"count":1,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/1346\/revisions"}],"predecessor-version":[{"id":1348,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/1346\/revisions\/1348"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media\/1347"}],"wp:attachment":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media?parent=1346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/categories?post=1346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/tags?post=1346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}