Ostrager Chong Flaherty & Broitman P.C.
Window method and apparatus for protection from bright light sources
According to an embodiment, an electrically switchable mirror includes: a first electrically switchable layer of cholesteric liquid crystal material, the first electrically switchable layer having a first state in which right-handed circularly polarized light incident thereon is reflected and left-handed circularly polarized light incident thereon is transmitted and a second state wherein right-handed and left-handed circularly polarized light incident thereon are transmitted; a second electrically switchable layer of cholesteric liquid crystal material, the second electrically switchable layer having a first state in which left-handed circularly polarized light incident thereon is reflected and right-handed circularly polarized light incident thereon is transmitted and a second state wherein right-handed and left-handed circularly polarized light incident thereon are transmitted; and a first electrically switchable wave plate disposed between the first and second electrically switchable layers.
The Boeing Company
G B G B G G G G
G02F B64D G02F B64C G02F G02F G02F G02F
additional inventional additional inventional additional additional inventional additional
Jiangbin George A. Mark J. Mark S. Alan F. Shenggang John R. Philip E. Jie Le Yongxin Donald V. Haiping Rick L.
Zhao Perry Clemen, Jr. Wilenski Stewart Wang Hull Johnson Yang Li Tang Drouin, Jr. Yu McGann