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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Jong-Sun (Precision Mold Team, Korea Institute of Industrial Technology [KITECH]) Ko, Young-Bae (Precision Mold Team, Korea Institute of Industrial Technology [KITECH]) Hwang, Chul-Jin (Precision Mold Team, Korea Institute of Industrial Technology [KITECH]) Kim, Jong-Deok (Precision Mold Team, Korea Institute of Industrial Technology [KITECH]) Yoon, Kyung-Hwan (Mechanical Engineering, Dankook University)
저널정보
한국유변학회 Korea-Australia rheology journal Korea-Australia rheology journal 제19권 제3호
발행연도
2007.1
수록면
171 - 176 (6page)

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LCD-BLU (Liquid Crystal Display-Back Light Unit) of medium size is usually manufactured by forming numerous dots with $50{\sim}300\;{\mu}m$ in diameter by etching process and V-grove shape with $50\;{\mu}m$ in height by mechanical cutting process. However, the surface of the etched dots is very rough due to the characteristics of the etching process and V-cutting needs rather high cost. Instead of existing optical pattern made by etching and mechanical cutting, 3-dimensional continuous micro-lens of $200\;{\mu}m$ in diameter was applied in the present study. The continuous micro-lens pattern fabricated by modified LIGA with thermal reflow process was tested to this new optical design of LGP. The manufacturing process using LIGA-reflow is made up of three stages as follows: (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 and its test results showed the possibility of commercial use in the future.

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