{"id":2147,"date":"2024-12-12T13:05:00","date_gmt":"2024-12-12T10:05:00","guid":{"rendered":"https:\/\/global.tab-tv.com\/sk\/?p=2147"},"modified":"2024-12-12T18:17:03","modified_gmt":"2024-12-12T15:17:03","slug":"samsung-qd-oled-co-potrebujete-vediet","status":"publish","type":"post","link":"https:\/\/global.tab-tv.com\/sk\/samsung-qd-oled-co-potrebujete-vediet\/","title":{"rendered":"Samsung QD OLED vs OLED \u2013 \u010co potrebujete vedie\u0165"},"content":{"rendered":"\n

Situ\u00e1cia s OLED telev\u00edzormi od Samsungu je pomerne zauj\u00edmav\u00e1. Ak nav\u0161t\u00edvite americk\u00fa str\u00e1nku Samsungu a vyh\u013ead\u00e1te OLED telev\u00edzory, popis bude znie\u0165 \u201eOLED TV (S95B OLED 4K Smart TV, 2022)\u201c. Av\u0161ak pri rovnakom vyh\u013ead\u00e1van\u00ed na britskej str\u00e1nke Samsungu bude popis \u201eQD OLED (S95B QD OLED 4K Quantum HDR Smart TV)\u201c. To vyvol\u00e1va zauj\u00edmav\u00fa ot\u00e1zku: pou\u017e\u00edva Samsung odli\u0161n\u00e9 displeje pre svoje telev\u00edzory v USA a Spojenom kr\u00e1\u013eovstve? Odpove\u010f je nie. Aj ke\u010f sa terminol\u00f3gia l\u00ed\u0161i, telev\u00edzory pou\u017e\u00edvaj\u00fa rovnak\u00e9 displeje vyroben\u00e9 spolo\u010dnos\u0165ou Samsung.<\/p>\n\n\n\n

Z\u00e1mena vznik\u00e1 v d\u00f4sledku marketingovej strat\u00e9gie Samsungu. OLED panely od Samsungu, vyr\u00e1ban\u00e9 v z\u00e1vode v meste Asan, provincia \u010cchung\u010dchongnam-do, Ju\u017en\u00e1 K\u00f3rea, za\u010dali v\u00fdrobu koncom roka 2021. P\u00f4vodne sa Samsung rozhodol zamera\u0165 na technol\u00f3giu OLED namiesto ve\u013ek\u00fdch LCD panelov. Av\u0161ak do roku 2024 zmienky o QD-OLED zmizli z ich webovej str\u00e1nky. D\u00f4vod je jednoduch\u00fd: Samsung nedok\u00e1zal uspokoji\u0165 dopyt po svojich vlastn\u00fdch paneloch a za\u010dal nakupova\u0165 OLED panely od LG.<\/p>\n\n\n\n

Na austr\u00e1lskom trhu, aj ke\u010f sa m\u00f4\u017ee zda\u0165, \u017ee s\u00fa dostupn\u00e9 iba OLED telev\u00edzory, Samsung v skuto\u010dnosti pon\u00faka modely s QD-OLED panelmi vyroben\u00fdmi spolo\u010dnos\u0165ou Samsung, ako aj OLED panely od LG, rovnako ako v in\u00fdch regi\u00f3noch.<\/p>\n\n\n\n

OLED panely od LG a Samsung: technol\u00f3gie<\/strong><\/h2>\n\n\n\n

OLED panely od LG a Samsungu s\u00fa zalo\u017een\u00e9 na rovnakom princ\u00edpe: substr\u00e1t, na ktorom s\u00fa umiestnen\u00e9 organick\u00e9 di\u00f3dy (OLED), z ktor\u00fdch ka\u017ed\u00e1 vy\u017earuje ur\u010dit\u00fa farbu. Nad t\u00fdmito di\u00f3dami je vrstva filtrov, ktor\u00e9 umo\u017e\u0148uj\u00fa prechod konkr\u00e9tnej farebnej frekven\u010dnej p\u00e1sma. LG prid\u00e1va patentovan\u00fd \u0161tvrt\u00fd biely subpixel, ktor\u00fd je navrhnut\u00fd na zn\u00ed\u017eenie spotreby energie a pred\u013a\u017eenie \u017eivotnosti panelu.<\/p>\n\n\n\n

Technick\u00e9 rozdiely medzi OLED panelmi od Samsungu a LG<\/strong><\/h2>\n\n\n\n

Usporiadanie subpixelov<\/strong><\/h3>\n\n\n\n

Prv\u00fd rozdiel spo\u010d\u00edva v usporiadan\u00ed subpixelov: OLED panely od LG pou\u017e\u00edvaj\u00fa 4 subpixely (\u010derven\u00fd, modr\u00fd, zelen\u00fd, biely). Toto rie\u0161enie predl\u017euje \u017eivotnos\u0165 OLED panelu. LG nikdy nezap\u00edna v\u0161etky subpixely naraz. Na vytvorenie bielej farby sa vyu\u017e\u00edvaj\u00fa iba biele pixely. LG pon\u00faka OLED EVO obrazovky, nov\u00fa gener\u00e1ciu displejov. Na zv\u00fd\u0161enie sveteln\u00e9ho toku s\u00fa okolo ka\u017ed\u00e9ho subpixelu zrkadl\u00e1, ktor\u00e9 smeruj\u00fa svetlo von, \u010d\u00edm sa zabra\u0148uje jeho strate vo vn\u00fatri displeja. Toto je nepochybn\u00e1 v\u00fdhoda, preto\u017ee pri rovnakej spotrebe energie je sveteln\u00fd tok o 30 % vy\u0161\u0161\u00ed. Okrem toho s\u00fa pixely usporiadan\u00e9 v jednej l\u00ednii. Samsung pou\u017e\u00edva iba tri subpixely (\u010derven\u00fd, modr\u00fd, zelen\u00fd), ktor\u00e9 s\u00fa usporiadan\u00e9 do tvaru trojuholn\u00edka. To vedie k mierne vy\u0161\u0161ej spotrebe energie a v\u00e4\u010d\u0161iemu tvoreniu tepla, ale v\u00fdhodou je vy\u0161\u0161\u00ed jas.<\/p>\n\n\n\n

Modr\u00e9 OLED di\u00f3dy a filtre<\/strong><\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Druh\u00fd rozdiel je v pou\u017eit\u00ed modr\u00fdch OLED di\u00f3d ako podsvietenia od Samsungu, ktor\u00e9 sa pova\u017euj\u00fa za lep\u0161ie ako biele LED di\u00f3dy. Av\u0161ak je pravdepodobnej\u0161ie, \u017ee OLED di\u00f3dy od Samsungu s\u00fa biele a vyu\u017e\u00edvaj\u00fa \u010fal\u0161\u00ed modr\u00fd filter. Modr\u00e9 OLED di\u00f3dy maj\u00fa najkrat\u0161iu \u017eivotnos\u0165. Samsung dokonca zaregistroval obchodn\u00fa zna\u010dku \u201eQD-OLED POWERED BY QUANTUM BLUE\u201c.<\/p>\n\n\n\n

Farebn\u00e9 filtre a kvantov\u00e9 body<\/strong><\/h3>\n\n\n\n

Tret\u00ed rozdiel spo\u010d\u00edva v pou\u017eit\u00ed farebn\u00fdch filtrov s kvantov\u00fdmi bodmi (QD) v OLED displejoch od Samsungu. Je d\u00f4le\u017eit\u00e9 poznamena\u0165, \u017ee tak\u00e9to materi\u00e1ly pou\u017e\u00edvaj\u00fa v\u0161etci v\u00fdrobcovia displejov. S\u00fa navrhnut\u00e9 na filtre s vysokou svetelnou priepustnos\u0165ou v konkr\u00e9tnych frekven\u010dn\u00fdch rozsahoch. Napr\u00edklad, ak sa pozriete na sveteln\u00fd zdroj cez hned\u00fa alebo zelen\u00fa f\u013ea\u0161u, v\u0161imnete si, \u017ee asi polovica svetla sa strat\u00ed. Na rozdiel od toho, materi\u00e1ly pou\u017e\u00edvan\u00e9 v displejoch umo\u017e\u0148uj\u00fa 95-98 % svetla prejs\u0165 v pr\u00edslu\u0161n\u00fdch \u010derven\u00fdch, modr\u00fdch a zelen\u00fdch farebn\u00fdch rozsahoch. To vedie k zv\u00fd\u0161en\u00e9mu jasu a lep\u0161iemu kontrastu.<\/p>\n\n\n\n

Starnutie OLED panelov: rozdiely medzi Samsung a LG<\/strong><\/h2>\n\n\n\n

Je d\u00f4le\u017eit\u00e9 vedie\u0165, \u017ee OLED telev\u00edzory \u010dasom starn\u00fa. \u017divotnos\u0165 prv\u00fdch OLED telev\u00edzorov bola okolo 15 000 hod\u00edn, \u010do je pribli\u017ene 1,5 roka nepretr\u017eit\u00e9ho pou\u017e\u00edvania. V pr\u00edru\u010dke pre OLED telev\u00edzory od Samsungu v\u0161ak nie je zmienka o \u017eivotnosti. Odhad 15 000 hod\u00edn vych\u00e1dza z recenzi\u00ed od vlastn\u00edkov telev\u00edzorov a z praxe pou\u017e\u00edvania uk\u00e1\u017ekov\u00fdch modelov v obchodoch. V dom\u00e1cich podmienkach pravdepodobne prv\u00e1 gener\u00e1cia OLED telev\u00edzorov vydr\u017e\u00ed 4-7 rokov, v z\u00e1vislosti od intenzity pou\u017e\u00edvania. Av\u0161ak pod\u013ea zamestnancov obchodov sa uk\u00e1\u017ekov\u00e9 modely za\u010d\u00ednaj\u00fa prejavova\u0165 zn\u00e1mkami vyp\u00e1lenia obrazu asi po roku pou\u017e\u00edvania.<\/p>\n\n\n\n

Pokia\u013e ide o nov\u00e9 OLED panely po roku 2022, LG do ve\u013ekej miery vyrie\u0161ilo probl\u00e9m s vypa\u013eovan\u00edm. Pou\u017eitie nov\u00fdch materi\u00e1lov a mo\u017enos\u0165 starostlivosti o panel (programy na korekciu vypa\u013eovania) v\u00fdrazne minimalizovali riziko zvy\u0161kov\u00e9ho zachovania obrazu, \u010d\u00edm pred\u013a\u017eili \u017eivotnos\u0165 OLED telev\u00edzorov. \u010co sa t\u00fdka Samsungu, je pr\u00edli\u0161 skoro na z\u00e1very, preto\u017ee QD-OLED telev\u00edzory boli predstaven\u00e9 a\u017e v roku 2022.<\/p>\n\n\n\n

Pre\u010do OLED panely starn\u00fa (vypa\u013euj\u00fa sa)<\/strong><\/h2>\n\n\n\n

OLED displeje vy\u017earuj\u00fa svetlo, ke\u010f sa na ne aplikuje nap\u00e4tie. Pri prietoku nap\u00e4tia cez OLED doch\u00e1dza k fyzik\u00e1lnym procesom, ktor\u00e9 sp\u00f4sobuj\u00fa, \u017ee OLED vy\u017earuje svetlo vo vidite\u013enom spektre. Po\u010das tohto procesu v\u0161ak prebiehaj\u00fa aj chemick\u00e9 reakcie v materi\u00e1li LED, ktor\u00e9 ho postupne degraduj\u00fa. Postupom \u010dasu to vedie k zn\u00ed\u017eeniu intenzity vy\u017earovan\u00e9ho svetla. \u010c\u00edm vy\u0161\u0161ie je aplikovan\u00e9 nap\u00e4tie, t\u00fdm r\u00fdchlej\u0161ie sa degraduje materi\u00e1l OLED, \u010do vedie k strate jeho vlastnost\u00ed. Navy\u0161e proces degrad\u00e1cie sa zr\u00fdch\u013euje pri vy\u0161\u0161\u00edch teplot\u00e1ch.<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Situ\u00e1cia s OLED telev\u00edzormi od Samsungu je pomerne zauj\u00edmav\u00e1. Ak nav\u0161t\u00edvite americk\u00fa str\u00e1nku Samsungu a vyh\u013ead\u00e1te OLED telev\u00edzory, popis bude znie\u0165 \u201eOLED TV (S95B OLED 4K Smart TV, 2022)\u201c. Av\u0161ak pri rovnakom vyh\u013ead\u00e1van\u00ed na britskej str\u00e1nke Samsungu bude popis \u201eQD OLED (S95B QD OLED 4K Quantum HDR Smart TV)\u201c. To vyvol\u00e1va zauj\u00edmav\u00fa ot\u00e1zku: pou\u017e\u00edva Samsung […]<\/p>\n","protected":false},"author":1,"featured_media":2149,"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":[1,86,26],"tags":[98,79,87],"class_list":["post-2147","post","type-post","status-publish","format-standard","has-post-thumbnail","category-analytika","category-technologia","category-tv","tag-lg-tv","tag-samsung-tv","tag-technologia"],"_links":{"self":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/2147","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=2147"}],"version-history":[{"count":3,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/2147\/revisions"}],"predecessor-version":[{"id":12149,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/2147\/revisions\/12149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media\/2149"}],"wp:attachment":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media?parent=2147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/categories?post=2147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/tags?post=2147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}