Zusammenfassung
This document presents an innovative approach to reduce feed line visibility in ophthalmic gradient-index (GRIN) liquid crystal lenses. The conventional design involves a liquid crystal layer sandwiched between two transparent electrodes, where conductive feed lines introduce optical anomalies due to the electric field they generate. The proposed solution involves creating openings in the neutral electrode beneath the feed lines, which significantly diminishes the electric field strength in that region, thereby mitigating the visibility of the line-shaped anomalies. The methodology includes patterning the second electrode using techniques such as laser ablation or lithography to ensure precise alignment with the first electrode. Key findings demonstrate that the introduction of these openings not only reduces the electric field intensity but also enhances the overall optical quality of the lens without requiring additional layers, thus simplifying the manufacturing process. The results indicate that this novel design can effectively improve the performance of GRIN lenses by maintaining their circular symmetry and optical integrity, ultimately leading to better visual outcomes in ophthalmic applications.
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