Liquid crystal phase shifter array, driving method thereof, and laser scanner
AssigneeBeijing Smart-Aero Display Technology Co., Ltd.
InventorsJingming Wang, Huizhong Zhu
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a liquid crystal phase shifter array, a driving method thereof, and a laser scanner. The liquid crystal phase shifter array includes a plurality of liquid crystal phase shifter units arranged in array, a first substrate and a second substrate disposed opposite to each other, a liquid crystal layer provided between the first substrate and the second substrate, a first electrode provided on the first substrate, and a second electrode provided on the second substrate. Each liquid crystal phase shifter unit includes a first optical waveguide provided on a side of the first substrate proximal to the liquid crystal layer and arranged to be in direct contact with the liquid crystal layer.
Claims16
A liquid crystal phase shifter array, comprising:
- a plurality of liquid crystal phase shifter units arranged in array;
- and
- a first substrate and a second substrate disposed opposite to each other;
- wherein each of the plurality of liquid crystal phase shifter units comprises:
- a liquid crystal layer provided between the first substrate and the second substrate;
- a first electrode provided on a side of the first substrate proximal to the liquid crystal layer;
- a second electrode provided on a side of the second substrate proximal to the liquid crystal layer;
- and
- a first optical waveguide provided on the side of the first substrate proximal to the liquid crystal layer and arranged to be in direct contact with the liquid crystal layer;
- and
- wherein the liquid crystal phase shifter array further comprises a plurality of second optical waveguides, each of the plurality of second optical waveguides being provided at a side of the first substrate proximal to the liquid crystal layer, and coupled to first optical waveguides included in two corresponding adjacent liquid crystal phase shifter units of the plurality of liquid crystal phase shifter units.
A driving method of a liquid crystal phase shifter array, the liquid crystal phase shifter array comprising:
- a plurality of liquid crystal phase shifter units arranged in array;
- a first substrate and a second substrate disposed opposite to each other;
- wherein each of the plurality of liquid crystal phase shifter units comprises:
- a liquid crystal layer provided between the first substrate and the second substrate;
- a first electrode provided on a side of the first substrate proximal to the liquid crystal layer;
- a second electrode provided on a side of the second substrate proximal to the liquid crystal layer;
- and
- a first optical waveguide provided on the side of the first substrate proximal to the liquid crystal layer and arranged to be in direct contact with the liquid crystal layer,
- wherein the liquid crystal phase shifter array further comprises a plurality of second optical waveguides, each of the plurality of second optical waveguides being provided at a side of the first substrate proximal to the liquid crystal layer, and coupled to first optical waveguides included in two corresponding adjacent liquid crystal phase shifter units of the plurality of liquid crystal phase shifter units;
- and
- the driving method comprising:
- applying different voltages on the first electrode and the second electrode, so as to make a laser light incident on the first optical waveguide to exit into the liquid crystal layer.
Dependencies are inferred from the claim text.