Other

Yao-Tzung Wang

Hung-Wei Chen

Hung-Chun Lin

Yi-Shin Lin

A method for providing auto focus for camera module that is electrically tunable using liquid crystal optical element is provided. The liquid crystal optical element includes substrate layers, insulating layer, three electrodes, liquid crystal layer between the substrate layers, and voltages applied between electrodes to control the optical power of the liquid crystal layer. The liquid crystal layer is coupled onto a camera module for provide auto focus on object located between 10 cm to infinity, achieving a response time at most of about 600 milliseconds. Tuning for the predetermined focal length is provided for liquid crystal optical element when object is located between 10 cm to infinity.

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Jhubei, Taiwan

Yao-Tzung Wang