Flexible Camera Array With Island-Bridge Sensors for Light Field Imaging
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Solution Overview
Problem
Existing array light field imaging systems face challenges with complex optoelectronic design, larger volume, and weight, compromising performance and adaptability, and the transition to flexible electronics is hindered by lower pixel density and calibration difficulties.
Innovation Solution
A self-deformable camera array system with a flexible image sensor array comprising rigid image sensors and flexible stretchable conductors, forming an island-bridge structure, allowing for high pixel resolution and adaptability through deformability and stretchability, combined with a data reading and light field processing module for intelligent light field imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If array light field imaging system is used to improve imaging performance, then imaging performance is improved, but device complexity and volume increase
Solution Approach 1:
The patent applies flexible substrates and thin-film technologies to create bendable camera arrays, replacing rigid optoelectronic systems. The flexible substrate allows the entire imaging system to be bent or folded, reducing volume and complexity while maintaining array light field imaging capabilities. This directly addresses the contradiction by enabling high-performance imaging through flexible form factors rather than complex rigid structures.
2Measurement precision
If array light field imaging system is used to improve imaging performance, then imaging performance is improved, but volume and weight increase
Solution Approach 1:
The flexible substrate and thin-film construction enable the imaging system to be bent into compact configurations, dramatically reducing the volume occupied by the array light field imaging system while preserving all imaging sensors and their functional capabilities.
Solution Approach 2:
The patent implements a nested structure where multiple imaging layers or components are stacked or folded within each other, allowing the extended array configuration to be collapsed into a compact form factor when not in use, thus reducing system volume while maintaining imaging performance.
3Adaptability or versatility
If flexible electronics are used to reduce device complexity, then adaptability is improved, but pixel density decreases
Solution Approach 1:
The patent employs different materials and structures in different regions of the flexible substrate. Rigid image sensors are placed in specific locations where high pixel density is critical, while flexible conductors and interconnects are positioned in areas where flexibility is more important. This local differentiation allows the system to maintain high pixel density in sensor regions while preserving overall flexibility and adaptability.
Data Source
AI summary
A self-deformable camera array system for intelligent light field imaging includes: a flexible image sensor array component, in which the flexible image sensor array component includes a plurality of rigid image sensors and a plurality of flexible stretchable conductors. An island-bridge structure is formed by taking the plurality of rigid image sensors as islands and taking the plurality of flexible stretchable conductors as bridges between the plurality of rigid image sensors.