{"title":"Micropatterned complex optical surface for wide angle illumination","authors":"Sun-ki Chae, Hyukjin Jung, K. Jeong","doi":"10.1109/OMEMS.2008.4607816","DOIUrl":null,"url":null,"abstract":"A direct-type LED based back-light-unit (BLU) in LCD displays requires wide angle illumination with high uniformity. As a single lens surface, a micropatterned complex optical surface can provide wide angle LED illumination angle over 150deg by designing the micropattern arrays on the hemispherical surface.","PeriodicalId":402931,"journal":{"name":"2008 IEEE/LEOS International Conference on Optical MEMs and Nanophotonics","volume":"15 2","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2008 IEEE/LEOS International Conference on Optical MEMs and Nanophotonics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/OMEMS.2008.4607816","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
A direct-type LED based back-light-unit (BLU) in LCD displays requires wide angle illumination with high uniformity. As a single lens surface, a micropatterned complex optical surface can provide wide angle LED illumination angle over 150deg by designing the micropattern arrays on the hemispherical surface.
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