Liquid crystal lens structure and driving method thereof

A liquid crystal lens driving method, comprising:

• providing a liquid crystal lens structure, comprising:
• a first substrate;
• a second substrate;
• a liquid crystal layer interposed between the first substrate and the second substrate;
• a first transparent conductive layer interposed between the first substrate and the liquid crystal layer;
• a second transparent conductive layer arranged on the second side of the second substrate, wherein the second transparent conductive layer has a circular opening, a circular electrode, and at least one annular electrode circumscribing the circular electrode, the circular electrode is arranged in the circular opening, the first transparent conductive layer is defined as a first electrode, and portions of the second transparent conductive layer circumscribing the circular opening are defined as a second electrode;
• applying an overdrive voltage to the circular electrode, the at least one annular electrode, and the second electrode, and wherein magnitude of the overdrive voltages that are respectively applied to the circular electrode, the at least one annular electrode, and the second electrode are in a straightly descending or ascending order;
• applying a steady-state voltage to the circular electrode, the at least one annular electrode, and the second electrode, wherein the magnitudes of the steady-state voltages that are respectively applied to the circular electrode, the at least one annular electrode, and the second electrode are in a straightly descending or ascending order;
• wherein the circular electrode, the at least one annular electrode, and the second electrode are sequentially applied with the overdrive voltage for a period of time, the overdrive voltage is applied to the circular electrode at a later time than the overdrive voltage is applied to the at least one annular electrode, and the overdrive voltage is applied to the at least one annular electrode at a later time than the overdrive voltage is applied to the second electrode.

A liquid crystal lens driving method, comprising:

• providing a liquid crystal lens structure, comprising:
• a first substrate;
• a second substrate;
• a liquid crystal layer interposed between the first substrate and the second substrate;
• a first transparent conductive layer interposed between the first substrate and the liquid crystal layer;
• a second transparent conductive layer arranged on the second side of the second substrate, wherein the second transparent conductive layer has a circular opening, a circular electrode, and at least one annular electrode circumscribing the circular electrode, the circular electrode is arranged in the circular opening, the first transparent conductive layer is defined as a first electrode, and portions of the second transparent conductive layer circumscribing the circular opening are defined as a second electrode;
• applying an overdrive voltage to the circular electrode, the at least one annular electrode, and the second electrode, and wherein magnitude of the overdrive voltages that are respectively applied to the circular electrode, the at least one annular electrode, and the second electrode are in a straightly descending or ascending order;
• applying a steady-state voltage to the circular electrode, the at least one annular electrode, and the second electrode, wherein the magnitudes of the steady-state voltages that are respectively applied to the circular electrode, the at least one annular electrode, and the second electrode are in a straightly descending or ascending order;
• wherein the overdrive voltage is applied to the circular electrode for a longer period than to the at least one annular electrode, and the overdrive voltage is applied to the at least one annular electrode for a longer period than to the second electrode.