{"id":35427,"date":"2021-05-07T11:21:27","date_gmt":"2021-05-07T18:21:27","guid":{"rendered":"https:\/\/silvaco.com\/%e6%9c%aa%e5%88%86%e7%b1%bb\/gan-based-leds-combining-process-and-device-tcad-to-optimize-substrate-patterning-and-maximize-light-extraction-efficiency\/"},"modified":"2021-09-22T13:30:03","modified_gmt":"2021-09-22T20:30:03","slug":"gan-based-leds-combining-process-and-device-tcad-to-optimize-substrate-patterning-and-maximize-light-extraction-efficiency","status":"publish","type":"post","link":"https:\/\/silvaco.com\/zh-hans\/webinar\/gan-based-leds-combining-process-and-device-tcad-to-optimize-substrate-patterning-and-maximize-light-extraction-efficiency\/","title":{"rendered":"GaN-Based LEDs &#8211; Combining Process and Device TCAD to Optimize Substrate Patterning and Maximize Light Extraction Efficiency"},"content":{"rendered":"<div id='template_slider'  class='avia-fullwidth-slider main_color avia-shadow   avia-builder-el-0  el_before_av_section  avia-builder-el-first   container_wrap fullsize' style=' '  ><div   data-size='no scaling'  data-lightbox_size='large'  data-animation='slide'  data-conditional_play=''  data-ids='3925'  data-video_counter='0'  data-autoplay='false'  data-bg_slider='false'  data-slide_height=''  data-handle='av_slideshow_full'  data-interval='5'  data-class=' '  data-el_id=''  data-css_id=''  data-scroll_down=''  data-control_layout='av-control-default'  data-custom_markup=''  data-perma_caption=''  data-autoplay_stopper=''  data-image_attachment=''  data-min_height='110px'  data-lazy_loading='disabled'  data-src=''  data-position='top left'  data-repeat='no-repeat'  data-attach='scroll'  data-stretch=''  class='avia-slideshow avia-slideshow-1  av-control-default av-default-height-applied avia-slideshow-no scaling av_slideshow_full   avia-slide-slider '  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 10.46875%;' ><li  class=' av-single-slide slide-1 ' ><div data-rel='slideshow-1' class='avia-slide-wrap '   ><div class = \"caption_fullwidth av-slideshow-caption caption_bottom\"><div class = \"container caption_container\"><div class = \"slideshow_caption\"><div class = \"slideshow_inner_caption\"><div class = \"slideshow_align_caption\"><h2  style='font-size:50px; ' class='avia-caption-title   av-small-font-size-overwrite av-small-font-size-36 av-mini-font-size-overwrite av-mini-font-size-24'  itemprop=\"name\" >Webinars<\/h2><\/div><\/div><\/div><\/div><\/div><img decoding=\"async\" class=\"wp-image-18676 avia-img-lazy-loading-not-18676\"  src=\"https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar.jpg\" width=\"1920\" height=\"201\" title='Banner Blue' alt=''  itemprop=\"thumbnailUrl\"  style='min-height:110px; min-width:1051px; ' srcset=\"https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar.jpg 1920w, https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar-300x31.jpg 300w, https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar-1030x108.jpg 1030w, https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar-768x80.jpg 768w, https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar-1536x161.jpg 1536w, https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar-1500x157.jpg 1500w, https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar-705x74.jpg 705w, https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar-43x5.jpg 43w, https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar-63x7.jpg 63w, https:\/\/silvaco.com\/wp-content\/uploads\/2018\/12\/Webinar-48x5.jpg 48w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/div><\/li><\/ul><\/div><\/div>\n<div id='av_section_1'  class='avia-section main_color avia-section-small avia-no-border-styling  avia-bg-style-scroll  avia-builder-el-1  el_after_av_slideshow_full  avia-builder-el-last   container_wrap fullsize' style='background-color: #ffffff;  margin-top:0px; margin-bottom:0px; '  ><div class='container' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-35427'><div class='entry-content-wrapper clearfix'>\n<div class='flex_column_table av-equal-height-column-flextable -flextable' style='margin-top:20px; margin-bottom:0px; '><div class=\"flex_column av_three_fourth  flex_column_table_cell av-equal-height-column av-align-top first  avia-builder-el-2  el_before_av_one_fourth  avia-builder-el-first  \" style='padding:0px 0px 0px 0px ; border-radius:0px; '><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><h1>GaN-Based LEDs &#8211; Combining Process and Device TCAD to Optimize Substrate Patterning and Maximize Light Extraction Efficiency<\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-17187 alignright\" src=\"https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-300x188.jpg\" alt=\"GaN-Based_LEDs\" width=\"300\" height=\"188\" srcset=\"https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-300x188.jpg 300w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-1030x644.jpg 1030w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-768x480.jpg 768w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-1536x960.jpg 1536w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-2048x1280.jpg 2048w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-1500x938.jpg 1500w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-705x441.jpg 705w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-43x27.jpg 43w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-63x39.jpg 63w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/GaN-Based-LEDs_webonar-48x30.jpg 48w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>The light extraction efficiency of GaN-based LEDs can be significantly enhanced by patterning the sapphire substrate. Optimized substrate geometries reduce the detrimental effect of total internal reflection and thus improve LED performance. A semiconductor fabrication technique that enables particularly advantageous substrate patterning is anisotropic wet etching of sapphire. The resulting three-dimensional etch profiles are complex and need to be accurately predicted to find the ideal process parameters for maximal LED efficiency.<\/p>\n<p>In this webinar, a workflow that combines process and device TCAD to support the design of GaN-based LEDs is presented. The workflow integrates three-dimensional process simulation capabilities (Silvaco Victory Process), physical models for wet etching of sapphire, and light extraction ray-tracing calculations (Silvaco Victory Device). Thus, the impact of process parameters on LED performance is quantified.<\/p>\n<p>What attendees will learn:<\/p>\n<ul>\n<li>Capabilities of Silvaco Victory Process for strongly anisotropic etching<\/li>\n<li>How to model the intricate wet etching anisotropy of sapphire<\/li>\n<li>How Process and Device TCAD can be combined<\/li>\n<li>Impact of patterned sapphire substrates on GaN-based LEDs<\/li>\n<\/ul>\n<\/div><\/section><br \/>\n<div   class='hr hr-default   avia-builder-el-4  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner ' ><span class='hr-inner-style'><\/span><\/span><\/div><br \/>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><h2>Presenter<\/h2>\n<\/div><\/section><br \/>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-17179 alignleft\" src=\"https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/toifl_alexander-243x300.png\" alt=\"Alexander Toifl\" width=\"86\" height=\"106\" srcset=\"https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/toifl_alexander-243x300.png 243w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/toifl_alexander-30x37.png 30w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/toifl_alexander-44x55.png 44w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/toifl_alexander-39x48.png 39w, https:\/\/silvaco.com\/wp-content\/uploads\/2021\/05\/toifl_alexander.png 550w\" sizes=\"(max-width: 86px) 100vw, 86px\" \/>Alexander Toifl is currently in the final stage of pursuing a doctoral degree in the area of process TCAD with the Christian Doppler Laboratory for High Performance at the Institute for Microelectronics, TU Wien, Austria. His research interests include anisotropic etching and epitaxy of three-dimensional topographies, postimplantation annealing of wide-bandgap materials, and LEDs. He holds a Bachelor\u2019s degree in Electrical Engineering and a Master&#8217;s degree in Microelectronics and Photonics from TU Wien.<\/p>\n<\/div><\/section><br \/>\n<div   class='hr hr-default   avia-builder-el-7  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner ' ><span class='hr-inner-style'><\/span><\/span><\/div><br \/>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><h3>WHO SHOULD ATTEND:<\/h3>\n<\/div><\/section><br \/>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><p>Device and process engineers, and management looking for solutions to design and optimize GaN-based LEDs<\/p>\n<\/div><\/section><\/p><\/div><div class='av-flex-placeholder'><\/div><div class=\"flex_column av_one_fourth  flex_column_table_cell av-equal-height-column av-align-top   avia-builder-el-10  el_after_av_three_fourth  avia-builder-el-last  \" style='padding:0px 0px 0px 0px ; border-radius:0px; '><p><section class=\"av_textblock_section \"  id=\"date\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><p><strong>When<\/strong>: May 20, 2021<br \/>\n<strong>Where<\/strong>: Online<br \/>\n<strong>Time<\/strong>: 10:00am-10:30am-(PDT)<br \/>\n<strong>Language<\/strong>: English<\/p>\n<\/div><\/section><br \/>\n<div   class='hr hr-default   avia-builder-el-12  el_after_av_textblock  el_before_av_codeblock '><span class='hr-inner ' ><span class='hr-inner-style'><\/span><\/span><\/div><br \/>\n<br \/>\n<div  class='avia-button-wrap avia-button-center  avia-builder-el-14  el_after_av_codeblock  el_before_av_hr ' ><a href='\/dynamicweb\/jsp\/downloads\/DownloadDocStepsAction.do?req=silen-download&amp;nm=GaN_LED_Webinar.mp4&amp;prefixname=video'  class='avia-button  avia-color-grey   avia-icon_select-no avia-size-small avia-position-center '   ><span class='avia_iconbox_title' >Register to View Archive<\/span><\/a><\/div><br \/>\n<div   class='hr hr-default   avia-builder-el-15  el_after_av_button  avia-builder-el-last '><span class='hr-inner ' ><span class='hr-inner-style'><\/span><\/span><\/div><\/p><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n","protected":false},"excerpt":{"rendered":"<p>May 20, 2021 | 10:00 am \u2013 10:30 am (PDT)<br \/>\n\u2028In this webinar, a workflow that combines process and device TCAD to support the design of GaN-based LEDs is presented.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7729],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.0 (Yoast SEO v24.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GaN-Based LEDs - Combining Process and Device TCAD to Optimize Substrate Patterning and Maximize Light Extraction Efficiency - Silvaco<\/title>\n<meta name=\"description\" content=\"GaN-Based LEDs - Combining Process and Device TCAD to Optimize Substrate Patterning and Maximize Light Extraction Efficiency\" \/>\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\/zh-hans\/webinar\/gan-based-leds-combining-process-and-device-tcad-to-optimize-substrate-patterning-and-maximize-light-extraction-efficiency\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GaN-Based LEDs - 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