Mass-producible structural design and fabrication method for a slim light-guide plate having inverse-trapezoidal light out-couplers

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dc.contributor.authorLee, Yong-Bokko
dc.contributor.authorYoon, Gun-Wookko
dc.contributor.authorYoon, Jun-Boko
dc.date.accessioned2019-02-20T05:11:24Z-
dc.date.available2019-02-20T05:11:24Z-
dc.date.created2019-02-11-
dc.date.issued2019-03-
dc.identifier.citationJOURNAL OF MICROMECHANICS AND MICROENGINEERING, v.29, no.3-
dc.identifier.issn0960-1317-
dc.identifier.urihttp://hdl.handle.net/10203/250345-
dc.description.abstractAn inverse-trapezoidal micropattern (ITM) has been considered as an optimal light outcoupler for a light-guide plate (LGP) in display devices thanks to its superiority in re-directing the light to the vertical direction. However, the ITM is not suitable for mass-production because of its over-hanging shape. Therefore, mass-production of the LGP having ITMs still remains challenging and has not been demonstrated before. In this paper, we propose and demonstrate a new structural design and mass-producible fabrication method for the I.GP having ITMs as a light out-coupler. Whereas the conventional method directly fabricates the ITM using soft molds, an approach which is not mass-producible, the proposed method reverses the idea. We first fabricate trapezoidal micropattern using a rigid metallic mold and then bond it to the flat LGP substrate without optical glue. Using the proposed method, we fabricated a slim (similar to 0.6mm) 5.5 inch LGP having ITMs and confirmed that there was no difference in optical performance between LGPs fabricated by the proposed mass-producible method and the previous soft-molding method. This method can be a model approach for mass-producing other overhang-shaped micropatterns as well.-
dc.languageEnglish-
dc.publisherIOP PUBLISHING LTD-
dc.titleMass-producible structural design and fabrication method for a slim light-guide plate having inverse-trapezoidal light out-couplers-
dc.typeArticle-
dc.identifier.wosid000456068100001-
dc.type.rimsART-
dc.citation.volume29-
dc.citation.issue3-
dc.citation.publicationnameJOURNAL OF MICROMECHANICS AND MICROENGINEERING-
dc.identifier.doi10.1088/1361-6439/aaf942-
dc.contributor.localauthorYoon, Jun-Bo-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
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EE-Journal Papers(저널논문)
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