Eyewear Conductive Wire and Piece for Lens Electrode Contact
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Solution Overview
Problem
The location of electrodes in eyewear lenses can vary significantly depending on the cutting position, making it inefficient to design a conductive path between the electric element and the control section, as the electrode positions change, affecting conduction.
Innovation Solution
The eyewear design includes a conductive wire with an elongated conductor surface connected to the control section and a conductive piece that extends along the edge portion to ensure contact with the electrode, maintaining reliable conduction regardless of electrode position variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the lens is cut out from lens blank at different positions, then the electrode location on the lens edge varies, but this requires changing the conductive path design which reduces manufacturing efficiency
Solution Approach 1:
The conductive path is segmented into two functional parts: a fixed conductive wire connected to the control section, and a movable conductive piece that can contact different electrode locations. This segmentation allows the conductive wire to remain in a fixed position while the conductive piece adapts to varying electrode locations through movement or deformation, thereby maintaining manufacturing efficiency while accommodating electrode position variations
Solution Approach 2:
The conductive piece is designed to be dynamic rather than fixed, allowing it to move or deform to contact the electrode at its varying location. This dynamic characteristic enables the conductive path to adapt to different electrode positions without requiring redesign of the entire conductive path, thus resolving the contradiction between adaptability and manufacturing efficiency
2Reliability
If the electrode location changes due to different cutting positions, then conduction to the control section must be adjusted, but frequent design changes increase complexity
Solution Approach 1:
The conductive piece serves as an intermediary element between the fixed conductive wire and the variable electrode location. This intermediary can move or deform to bridge the gap between the fixed wire and the moving electrode, ensuring reliable conduction without requiring changes to the main conductive path design, thus maintaining simplicity while ensuring reliability
3Reliability
If the conductive path is redesigned for each electrode location, then conduction is ensured, but this approach is inefficient and time-consuming
Solution Approach 1:
The conductive piece is pre-positioned or pre-configured to be able to contact the electrode at its varying location without requiring redesign. The system is prepared in advance to accommodate electrode position variations through the inherent flexibility or movability of the conductive piece, eliminating the need for time-consuming design adjustments while ensuring conduction reliability
Data Source
AI summary
This eyewear is provided with: a lens which has an electric element, an electrode of the electric element being disposed at an edge of the lens; a frame which has a control unit for controlling the electric element, and which holds the lens; a conductive wire which has a long conductor surface that extends along and facing such edge, and which is connected to the control unit; and a conductive piece which extends along and facing such edge and which comes into contact with the electrode and the conductor surface.