{"id":30785,"date":"2016-01-01T16:18:53","date_gmt":"2016-01-01T16:18:53","guid":{"rendered":"https:\/\/silvaco.com\/%eb%b6%84%eb%a5%98%eb%90%98%ec%a7%80-%ec%95%8a%ec%9d%8c\/a-igzo-tft-simulation\/"},"modified":"2026-10-16T08:19:43","modified_gmt":"2026-10-16T15:19:43","slug":"a-igzo-tft-simulation","status":"publish","type":"post","link":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/","title":{"rendered":"a-IGZO TFT Simulation"},"content":{"rendered":"<h1>a-IGZO TFT Simulation<\/h1>\n<p><strong>1. Introduction<\/strong><\/p>\n<p>The flat panel device for active matrix liquid crystal displays (AMLCDs) and active matrix organic light-emitting diode displays (AMOLEDs) has utilized a low cost amorphous silicon or low temperature poly-silicon (LTPS) as a fast switching transistor in mobile devices,TVs, and other display consumer electronics. Recently, amorphous InGaZnO (a-IGZO) thin-film transistor (TFT) is now one of the most important materials in the display area for flexibility, large-area uniformity and high mobility. The conventional a-Si:H TFT or LTPS devices have many degradation problems such as bias stress and photo induced instabilities that are the most important factors which must be fully understood and analyzed to improve the device design. These instabilities come from time-dependent density of states (DOS) change in forbidden band gap of material during device operation.<\/p>\n<p>This article aims to make a real DOS shape in Atlas device simulation software from experimentally extracted DOS and to reproduce the reference data. From this DOS, we can simulate a-IGZO TFT more correctly and this is the basic start point of further analyzing device instabilities.<\/p>\n<p><img loading=\"lazy\" width=\"782\" height=\"1012\" src=\"https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1.jpg\" class=\"cleaned-enfold-image\" alt=\"\" decoding=\"async\" loading=\"lazy\" srcset=\"https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1.jpg 782w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1-232x300.jpg 232w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1-768x994.jpg 768w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1-545x705.jpg 545w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1-29x37.jpg 29w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1-43x55.jpg 43w, https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1-37x48.jpg 37w\" sizes=\"auto, (max-width: 782px) 100vw, 782px\" \/><\/p>\n<p><a href=\"https:\/\/silvaco.com\/dynamicweb\/jsp\/downloads\/DownloadDocStepsAction.do?req=download&#038;nm=simstd_Q1_2016_a1.pdf\" class=\"BGT-btn\" target=\"_blank\" rel=\"noopener noreferrer\">Download Simulation Standard<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The flat panel device for active matrix liquid crystal displays (AMLCDs) and active matrix organic light-emitting diode displays (AMOLEDs) has utilized a low cost amorphous silicon or low temperature poly-silicon (LTPS) as a fast switching transistor in mobile devices,TVs, and other display consumer electronics. Recently, amorphous InGaZnO (a-IGZO) thin-film transistor (TFT) is now one of the most important materials in the display area for flexibility, large-area uniformity and high mobility. The conventional a-Si:H TFT or LTPS devices have many degradation problems such as bias stress and photo induced instabilities that are the most important factors which must be fully understood and analyzed to improve the device design. These instabilities come from time-dependent density of states (DOS) change in forbidden band gap of material during device operation.<\/p>\n","protected":false},"author":5,"featured_media":19158,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[7486],"tags":[],"class_list":["post-30785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-simulation-standard-ko","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>a-IGZO TFT Simulation - Silvaco<\/title>\n<meta name=\"description\" content=\"The flat panel device for active matrix liquid crystal displays (AMLCDs) and active matrix organic light-emitting diode displays\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"a-IGZO TFT Simulation\" \/>\n<meta property=\"og:description\" content=\"The flat panel device for active matrix liquid crystal displays (AMLCDs) and active matrix organic light-emitting diode displays\" \/>\n<meta property=\"og:url\" content=\"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/\" \/>\n<meta property=\"og:site_name\" content=\"Silvaco\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SilvacoSoftware\/\" \/>\n<meta property=\"article:published_time\" content=\"2016-01-01T16:18:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-16T15:19:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"782\" \/>\n\t<meta property=\"og:image:height\" content=\"1012\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ingrid Schwarz\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SilvacoSoftware\" \/>\n<meta name=\"twitter:site\" content=\"@SilvacoSoftware\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ingrid Schwarz\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/\"},\"author\":{\"name\":\"Ingrid Schwarz\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/#\\\/schema\\\/person\\\/f85f880bc8a7ce823b36a9072e1f0a29\"},\"headline\":\"a-IGZO TFT Simulation\",\"datePublished\":\"2016-01-01T16:18:53+00:00\",\"dateModified\":\"2026-10-16T15:19:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/\"},\"wordCount\":184,\"image\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/silvaco.com\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/simstd_Q1_2016_a1-1.jpg\",\"articleSection\":[\"Simulation Standard\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/\",\"url\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/\",\"name\":\"a-IGZO TFT Simulation - Silvaco\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/silvaco.com\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/simstd_Q1_2016_a1-1.jpg\",\"datePublished\":\"2016-01-01T16:18:53+00:00\",\"dateModified\":\"2026-10-16T15:19:43+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/#\\\/schema\\\/person\\\/f85f880bc8a7ce823b36a9072e1f0a29\"},\"description\":\"The flat panel device for active matrix liquid crystal displays (AMLCDs) and active matrix organic light-emitting diode displays\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/#primaryimage\",\"url\":\"https:\\\/\\\/silvaco.com\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/simstd_Q1_2016_a1-1.jpg\",\"contentUrl\":\"https:\\\/\\\/silvaco.com\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/simstd_Q1_2016_a1-1.jpg\",\"width\":782,\"height\":1012},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/simulation-standard-ko\\\/a-igzo-tft-simulation\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/silvaco.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"a-IGZO TFT Simulation\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/#website\",\"url\":\"https:\\\/\\\/silvaco.com\\\/\",\"name\":\"Silvaco\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/silvaco.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/silvaco.com\\\/#\\\/schema\\\/person\\\/f85f880bc8a7ce823b36a9072e1f0a29\",\"name\":\"Ingrid Schwarz\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/d4109cd71bc55d682dbac038c13e165565c1532ac9a68769c8073507e0255505?s=96&d=blank&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/d4109cd71bc55d682dbac038c13e165565c1532ac9a68769c8073507e0255505?s=96&d=blank&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/d4109cd71bc55d682dbac038c13e165565c1532ac9a68769c8073507e0255505?s=96&d=blank&r=g\",\"caption\":\"Ingrid Schwarz\"},\"url\":\"https:\\\/\\\/silvaco.com\\\/ko\\\/author\\\/ingrid\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"a-IGZO TFT Simulation - Silvaco","description":"The flat panel device for active matrix liquid crystal displays (AMLCDs) and active matrix organic light-emitting diode displays","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/","og_locale":"ko_KR","og_type":"article","og_title":"a-IGZO TFT Simulation","og_description":"The flat panel device for active matrix liquid crystal displays (AMLCDs) and active matrix organic light-emitting diode displays","og_url":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/","og_site_name":"Silvaco","article_publisher":"https:\/\/www.facebook.com\/SilvacoSoftware\/","article_published_time":"2016-01-01T16:18:53+00:00","article_modified_time":"2026-10-16T15:19:43+00:00","og_image":[{"width":782,"height":1012,"url":"https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1.jpg","type":"image\/jpeg"}],"author":"Ingrid Schwarz","twitter_card":"summary_large_image","twitter_creator":"@SilvacoSoftware","twitter_site":"@SilvacoSoftware","twitter_misc":{"\uae00\uc4f4\uc774":"Ingrid Schwarz","\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/#article","isPartOf":{"@id":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/"},"author":{"name":"Ingrid Schwarz","@id":"https:\/\/silvaco.com\/#\/schema\/person\/f85f880bc8a7ce823b36a9072e1f0a29"},"headline":"a-IGZO TFT Simulation","datePublished":"2016-01-01T16:18:53+00:00","dateModified":"2026-10-16T15:19:43+00:00","mainEntityOfPage":{"@id":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/"},"wordCount":184,"image":{"@id":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/#primaryimage"},"thumbnailUrl":"https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1.jpg","articleSection":["Simulation Standard"],"inLanguage":"ko-KR"},{"@type":"WebPage","@id":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/","url":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/","name":"a-IGZO TFT Simulation - Silvaco","isPartOf":{"@id":"https:\/\/silvaco.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/#primaryimage"},"image":{"@id":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/#primaryimage"},"thumbnailUrl":"https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1.jpg","datePublished":"2016-01-01T16:18:53+00:00","dateModified":"2026-10-16T15:19:43+00:00","author":{"@id":"https:\/\/silvaco.com\/#\/schema\/person\/f85f880bc8a7ce823b36a9072e1f0a29"},"description":"The flat panel device for active matrix liquid crystal displays (AMLCDs) and active matrix organic light-emitting diode displays","breadcrumb":{"@id":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/"]}]},{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/#primaryimage","url":"https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1.jpg","contentUrl":"https:\/\/silvaco.com\/wp-content\/uploads\/2020\/03\/simstd_Q1_2016_a1-1.jpg","width":782,"height":1012},{"@type":"BreadcrumbList","@id":"https:\/\/silvaco.com\/ko\/simulation-standard-ko\/a-igzo-tft-simulation\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/silvaco.com\/"},{"@type":"ListItem","position":2,"name":"a-IGZO TFT Simulation"}]},{"@type":"WebSite","@id":"https:\/\/silvaco.com\/#website","url":"https:\/\/silvaco.com\/","name":"Silvaco","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/silvaco.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ko-KR"},{"@type":"Person","@id":"https:\/\/silvaco.com\/#\/schema\/person\/f85f880bc8a7ce823b36a9072e1f0a29","name":"Ingrid Schwarz","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/secure.gravatar.com\/avatar\/d4109cd71bc55d682dbac038c13e165565c1532ac9a68769c8073507e0255505?s=96&d=blank&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d4109cd71bc55d682dbac038c13e165565c1532ac9a68769c8073507e0255505?s=96&d=blank&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d4109cd71bc55d682dbac038c13e165565c1532ac9a68769c8073507e0255505?s=96&d=blank&r=g","caption":"Ingrid Schwarz"},"url":"https:\/\/silvaco.com\/ko\/author\/ingrid\/"}]}},"_links":{"self":[{"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/posts\/30785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/comments?post=30785"}],"version-history":[{"count":2,"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/posts\/30785\/revisions"}],"predecessor-version":[{"id":954741,"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/posts\/30785\/revisions\/954741"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/media\/19158"}],"wp:attachment":[{"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/media?parent=30785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/categories?post=30785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/silvaco.com\/ko\/wp-json\/wp\/v2\/tags?post=30785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}