作者: Hsieh-Yi Teng
DOI:
关键词: Regular polygon 、 Ball (bearing) 、 Display device 、 Optics 、 Mathematics
摘要: A display device includes: a crystal ball fixed on base formed with plural concave and convex portions spherical surface of the to respectively form lens when filled water in ball, thereby producing magnified contracted images for decorative article mounted as viewed through enhancing interest.