| 摘要 |
PROBLEM TO BE SOLVED: To provide a multifocal lens which can easily adjust its focal point, in which hologram is printed onto a polymer dispersed liquid crystal. SOLUTION: The multifocal lens comprises the plurality of holographic polymer dispersed liquid crystals 100a-100c and a power supply unit 220 for supplying electrical power to the holographic polymer dispersed liquid crystals, wherein the holographic polymer dispersed liquid crystals adjust the focal point of light passing through them. COPYRIGHT: (C)2007,JPO&INPIT
|
