The study of controlling pretilt angle of liquid crystal by replica molding method for fabricating the microgroove PDMS film

• Main Authors: Shih-Hsun Kuo, 郭時勛
• Other Authors: Chie-Tong Kuo
• Format: Others
• Language: zh-TW
• Published: 2012
• Online Access: http://ndltd.ncl.edu.tw/handle/47464600304537108241

碩士 === 國立中山大學 === 物理學系研究所 === 100 === In this study, the PDMS with microgroove structure was used controlling pretilt anlge of liquid crystal. Polydimethylsiloxane, also called PDMS, is one transparent, flexible, and stable material. It was usually fabricated the flexible display and so on. Based on Groove Theory, we can create the microgroove structure with the different groove depths and the width of the lines on PDMS by Replica Molding Method, in order to controlling the pretilt anlge of liquid crystal. We used the photoresist with different thickness to developing, and then the groove will get with different depth of groove. The PDMS was injected to the surface of groove with slow motion. When the liquid-like PDMS was curing, the PDMS can readily convert into solid elastomers by cross-linking. Finally, The microgrooved PDMS structure will obtain.