Patent ID: 8625196

Claim:
A switchable lens system comprising: an imaging area and a seal line; the imaging area comprising a first glass plate, a second glass plate and a lenticular structure; the lenticular structure being arranged in between the first and second glass plates and being provided with a plurality of cavities in between the lenticular structure and one of the first and second glass plates; the seal line surrounding the imaging area at its periphery, the seal line being provided with a throughhole; wherein a filling channel is located between at least a portion of the periphery of the imaging area and the seal line to provide a filling passage for liquid crystal between the throughhole and multiple ones of the cavities so that the liquid crystal introduced from the throughhole comes into the cavities via the filling channel; wherein the cavities extend substantially in a first direction (Y) and the filling channel is located at a first side of the imaging area facing the throughhole and extends in a second direction (X) perpendicular to the first direction; wherein the throughhole is on one side of the filing channel and the cavities are on the opposite side.