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LCD 도광판 패턴의 사출 전사성이 미치는 광특성 영향에 대한 연구
주병윤(B.Y. Joo),홍주표(J.P. Hong) 한국소성가공학회 2011 금형가공 심포지엄 Vol.2011 No.9
Accurate optical texturing of light guide plate over the entire surface area is important technical issue in LCD TV industry. Injection molding process is potential for producing large size light guide plate having high efficient optical textures such as micro prism array. This study is focused on the effect of the degree of replication of the micro texture on the overall optical performance of 40 size injection molded light guide plate. Micro texturing by three different type of injection molding process was tested, respectively, and the replication ratios of the texture were measured. Light guide plate was modeled with spatially different texture shape. Optical simulation was conducted and results were discussed.