Organic Semiconductor Transistors on 3D Ophthalmic Inserts
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Solution Overview
Problem
Existing ophthalmic devices, such as contact lenses and intraocular lenses, face challenges in integrating reliable and compact energization elements and semiconductor devices due to their three-dimensional shapes and size constraints, limiting their functionality and efficiency.
Innovation Solution
The development of methods and apparatus to form organic semiconductor transistors on ophthalmic device insert components with three-dimensional shapes, using substrates like silicon wafers, encapsulating layers like paralene or hydrogel, and energization elements like electrochemical cells, allowing for the integration of conductive traces and organic semiconductor layers to create functional circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional passive components are used in ophthalmic devices, then device simplicity is maintained, but functionality and efficiency are limited
Solution Approach 1:
The device is divided into distinct functional layers including organic semiconductor layers, electrochemical cell layers, and conductive trace layers, allowing independent optimization of each component while maintaining overall device simplicity
Solution Approach 2:
The organic semiconductor devices serve multiple functions including signal processing, sensing, and actuation, while the electrochemical cell provides both power and structural support, reducing the need for separate dedicated components
2Adaptability or versatility
If energization elements and semiconductor devices are integrated into ophthalmic devices, then functionality is enhanced, but device size and manufacturing complexity increase
Solution Approach 1:
Multiple functional layers (organic semiconductor, electrochemical cell, conductive traces) are combined into a single integrated structure that can be manufactured as one unit, simplifying the assembly process while enabling advanced functionality
Solution Approach 2:
The use of organic semiconductors allows for low-temperature processing and flexible deposition methods, changing the manufacturing parameters from traditional high-temperature rigid semiconductor processes to more versatile, lower-temperature techniques
3Length of moving object
If compact energization elements are integrated, then device thickness is reduced, but integration reliability becomes more challenging
Solution Approach 1:
The organic semiconductor devices and conductive traces are nested within and integrated with the electrochemical cell structure, allowing compact arrangement that reduces overall device thickness while maintaining proper electrical connections and structural integrity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the creation of novel ophthalmic devices with dynamic focal characteristics and integrated sensors, enhancing their functionality by providing reliable energization and compact integration of semiconductor devices, while simplifying manufacturing processes and enabling thinner device designs.
Implementation Method 1
depositing an organic semiconductor layer on a substrate
Implementation Method 2
the energization element is an electrochemical cell
Data Source
AI summary
This invention discloses methods and apparatus to form organic semiconductor transistors upon three-dimensionally formed insert devices. In some embodiments, the present invention includes incorporating the three-dimensional surfaces with organic semiconductor-based thin film transistors, electrical interconnects, and energization elements into an insert for incorporation into ophthalmic lenses. In some embodiments, the formed insert may be directly used as an ophthalmic device or incorporated into an ophthalmic device.