Patent ID: 8848149

Claim:
A controllable optical device, comprising: a first glass substrate ( 10 a ); a first conductive layer ( 12 a ) formed on the first glass substrate ( 10 a ), wherein a material of the first conductive layer ( 12 a ) is selected from the group consisting of a transparent conductive layer, and a nontransparent conductive layer; a liquid crystal layer ( 14 ) formed on the first conductive layer ( 12 a ) and a first liquid crystal alignment layer ( 16 a ) placed below the liquid crystal layer ( 14 ); a first insulation layer ( 18 a ) is placed between the liquid crystal layer ( 14 ) and a second liquid crystal alignment layer ( 16 b ); a second insulation layer ( 18 b ) is placed between a semiconductor layer ( 20 ) and the second liquid crystal alignment layer ( 16 b ); a second conductive layer ( 12 b ) as a long stripe electrode, wherein the material of the second conductive layer is selected from the group consisting of the transparent conductive layer, and the nontransparent conductive layer; the semiconductor layer ( 20 ), wherein a material of semiconductor layer ( 20 ) is selected from the group consisting of Indium Zinc Oxide (IZO), Aluminum Zinc Oxide (AZO), Indium Gallium Zinc Oxide (IGZO) and Indium Zinc Tin Oxide (IZTO); the second conductive layer ( 12 b ) formed on the semiconductor layer ( 20 ); and a second glass substrate ( 10 b ) formed on the second conductive layer ( 12 b ) in order to form the controllable optical device.