ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,727, issued on Sept. 23.
"Wedge-shaped liquid crystal cell array capable of controlling light angle deflection" was invented by Shi-Hwa Huang (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wedge-shaped liquid crystal cell array capable of controlling light angle deflection, using electro-optical effect of liquid crystal and a wedge-shaped angle liquid crystal layer, angle of reflected light, switching and shifting of transmitted light can be controlled, the liquid crystal cell comprises: a wedge-shaped upper cover glass, the cover glass is formed with an extended slope and an included angle, first transparent conductive films ...