1. T. Ishihara, S. Hisamitsu, H. Furukawa, Method of manufacture of liquid crystal display panel, US Patent 5,263,888.
2. D.H. Choo, S.U. Jung, In-line system and a method for manufacturing a liquid crystal display with special vacuum/force control, US Patent 6,657,701.
3. H.J. Kweon, H.J. Son, Apparatus for measuring dispensing amount of liquid crystal drops and method for manufacturing liquid crystal display device using the same, US Patent 6,864,948.
4. V. Gutfeld, R. Jacob and S.H. Lien, Method and apparatus for filling liquid crystal display (LCD) panels, US Patent 6,055,035.
5. W.S. Kim, H.J. Kweon, H.J. Son, Liquid crystal dispensing apparatus, US Patent 6,824,023.