The research fields are related to the liquid crystal physics, materials and electro-optical applications. The interested topics are as follows: 1. Tunable-focus liquid crystal lens without mechanically moving parts. 2. Improvement of power conversion efficiency of the dye-sensitized solar cells with liquid crystal mixtures. 3. Development of large scale self-assemble periodical polymer array in the lighting system, backlight system, and photonic crystal devices. 4. Nanomaterials for liquid crystal applications. 5. Optical tweezer based on liquid crystal devices. 6. Liquid crystal-based laser shaping .