Printable Electronic Displays Using Field-Oriented Component Deposition
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Solution Overview
Problem
Current electronic display technologies, such as cathode ray tubes, plasma displays, and liquid crystal displays, are complex and expensive to manufacture, making them unsuitable for large-scale or outdoor applications that require durability and dynamic information display.
Innovation Solution
A method of manufacturing electronic displays using printing and coating technologies, involving the deposition of conductive media and electronic components on a substrate, with orientation and curing under applied fields, to create scalable, addressable, and robust displays suitable for various sizes and environmental conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional display technologies (cathode ray tubes, plasma displays, liquid crystal displays) are used, then display functionality is achieved, but manufacturing complexity and cost increase significantly
Solution Approach 1:
The display is segmented into discrete addressable elements (pixels or regions) that can be independently controlled. Each element contains simplified components (conductive traces, electronic components, optically transmissive material) rather than complex layered structures, enabling modular manufacturing and reducing overall device complexity while maintaining display functionality
Solution Approach 2:
The patent extracts and eliminates complex intermediate layers found in traditional displays (such as multiple transistor layers, polarizing filters, and complex alignment structures). By removing these unnecessary components and retaining only the essential elements needed for display operation, the manufacturing process is simplified while preserving the core display function
2Ease of manufacture
If traditional display manufacturing techniques are used, then display performance is achieved, but manufacturing cost increases
Solution Approach 1:
The manufacturing process incorporates dynamic field application (electrical or magnetic fields) during the deposition and orientation stages, allowing for real-time adjustment and alignment of electronic components without requiring extremely precise static positioning. This dynamic control enables acceptable manufacturing precision to be achieved at lower cost through process flexibility rather than expensive precision equipment
3Adaptability or versatility
If displays are made for large form factors (outdoor signage), then application versatility increases, but structural stability and durability decrease
Solution Approach 1:
The display employs thin-film structures and flexible substrate materials that can be conformally deposited over large areas. This approach maintains structural integrity and durability across large form factors by using distributed, thin-layer construction rather than thick rigid materials, enabling the display to withstand environmental conditions while achieving the versatility needed for outdoor signage and large-scale applications
Solution Approach 2:
The patent uses composite material structures combining conductive materials, electronic components, and optically transmissive materials in an integrated layered architecture. This composite construction provides both the mechanical durability needed for large outdoor displays and the functional versatility for various applications, as each material layer contributes specific properties that collectively enhance reliability across different environmental conditions
4Adaptability or versatility
If pixel addressability is implemented for dynamic information display, then information display capability increases, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent merges multiple functions into unified structures: conductive traces serve both as electrical interconnects and as addressing electrodes; electronic components are integrated directly into the display elements rather than being separate control units. This consolidation reduces the number of discrete components and simplifies the addressing structure while maintaining full pixel-level addressability for dynamic information display
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
The solution enables the production of scalable, durable electronic displays that can operate in a wide range of conditions, from small mobile devices to large billboards, providing dynamic information display capabilities while simplifying the manufacturing process and reducing costs.
Implementation Method 1
orienting the plurality of electronic components using an applied field
Implementation Method 2
depositing a first conductive medium on a substrate to form a first conductor
Data Source
AI summary
The present invention provides a method of manufacturing an electronic display. The exemplary method includes depositing a first conductive medium within a plurality of cavities of a substrate to form a plurality of first conductors. A plurality of electronic components in a suspending medium are then deposited within the plurality of cavities, and the plurality of electronic components are oriented using an applied field, followed by a bonding of the plurality of electronic components to the plurality of first conductors. A second, transmissive conductive medium is then deposited and bonded to the plurality of electronic components.