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연속마이크로렌즈를 이용한 네비게이터용 7인치 LCD-BLU용 금형개발
김종선(JongSun Kim),고영배(YoungBae Ko),민인기(InKi Min),유재원(JaeWon Yu),윤경환(KyungHwan Yoon),황철진(ChulJin Hwang) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
LCD-BLU (Back Light Unit) is one of kernel parts of LCD unit. The fabrication method of a 3-D micro mold patterned with optical pattern for the LGP (Light Guiding Plate), one of the most important parts of LCD-BLU, was resented. Instead of dot pattern made by etching, 3-D optical pattern design with 200 ㎛ continuous micro-lens was applied in the present study. The continuous micro-lens pattern fabricated by modified LiGA with thermal reflow process was applied to the optical design of LGP. and The manufacturing process using LIGA-reflow is made up of three stages as in the following:(ⅰ) the stage of lithography, (ⅱ) the stage of thermal reflow process and (ⅲ) the stage of electroplating. The continuous micro-lens patterned LGP was fabricated with injection molding process.