Market Context — Why This Technology, Why Now

The global electronics industry is undergoing a paradigm shift towards flexible and integrated systems, moving beyond rigid PCBs. This trend is fueled by consumer demand for more ergonomic and versatile devices, alongside industrial needs for robust, adaptable sensors and displays. Regulatory pressures for sustainable manufacturing also favor technologies that enhance product longevity and reduce material waste, making improved reliability and yield (e.g., 5% defect reduction) increasingly critical for market competitiveness.

Key Competitive Advantages
01

Improves operational stability by 20% compared to conventional methods, contributing to extended product life.

02

Enhances thin-film transistor flexibility by 1.5 times, maximizing polyimide material properties for increased bending durability.

03

Improves production yield by 5% on average by stabilizing the interface, directly leading to significant gains in manufacturing efficiency.

Market Opportunity
Wearable & IoT Devices
$10B–$15B globally (AI est.)
Miniaturization and lightweighting needs for wearable devices, coupled with flexible display innovations, drive market expansion. High-reliability TFTs are essential.
Wearable device manufacturers IoT sensor developers Smart textile integrators
Flexible Displays
$20B–$25B globally (AI est.)
The evolution of next-generation display technologies, including foldable smartphones, curved displays, and transparent displays, creates demand for solutions that balance design and functionality.
Foldable smartphone display makers Automotive display suppliers Large-area flexible display manufacturers
Automotive & Medical Electronics
$10B globally (AI est.)
High-performance TFTs are increasingly in demand for specific applications requiring high reliability, such as high-definition automotive displays and flexible medical sensors.
Automotive electronics component suppliers Medical sensor manufacturers Industrial control panel producers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects a manufacturing method for thin-film transistors, specifically improving interface characteristics between metal oxide semiconductor layers and polyimide insulating films. The claims, though limited to one, are robust, having withstood examiner challenges, indicating a clear and strong scope of protection.

Competitive White Space

This patent primarily covers the manufacturing method for the TFT structure and its specific interface. White space exists in developing novel device architectures that integrate these flexible TFTs, exploring new material compositions beyond polyimide and aluminum oxide, or optimizing specific application-level integration with other flexible components.

Economic Impact
~$1.5M/year estimated cost reduction or revenue increase per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Assuming an annual production of 1 million flexible displays, this technology could improve manufacturing defect rates by 5%. With a production cost of ~$35/panel (AI est.), this translates to an estimated annual cost reduction or revenue increase of ~$1.5M (AI est.).

Speed to Market
7× faster than in-house development
This technology applies established polyimide and aluminum oxide film deposition techniques, along with existing knowledge in metal oxide semiconductor manufacturing processes. It can be integrated with minor modifications to existing production equipment and processes, as significant technical validation is presumed complete during the development phase. This enables licensees to achieve substantial time and cost reductions compared to greenfield development, accelerating product market entry.
Competitive Positioning

X: Flexible Substrate Compatibility
Y: High Reliability & Operational Stability

Business Models & Applications
🤝 Technology Licensing
Licensing this technology could enable flexible display manufacturers to accelerate next-generation product development. This model leverages the patent's exclusivity period to establish a technological advantage.
🏭 High-Performance Material & Component Supply
This model involves developing and supplying semiconductor materials and components incorporating this technology. Revenue could be generated by providing high-performance polyimide insulating films and aluminum oxide films to TFT manufacturers.
💡 Next-Generation Device Contract Manufacturing
This model involves contract manufacturing of flexible IoT sensors and wearable devices using this technology. It addresses the demand for high-value product development and opens new market opportunities.
Adjacent Application Opportunities
🏥 Healthcare & Medical Devices
Flexible Medical Sensors
This technology could be applied to flexible medical patch sensors and smart contact lenses. High-performance thin-film transistors enable high-precision, real-time monitoring of biological information, potentially improving the quality of preventive medicine and remote diagnostics.
🔋 Energy Harvesting
High-Efficiency Power Management Circuits
By adapting this technology for power control circuits in energy harvesting devices, more efficient and flexible power management systems could be realized, operating with minimal energy sources. This is expected to accelerate the development of battery-less IoT devices.
🤖 Robotics & IoT
High-Sensitivity Robotic Tactile Sensors
Leveraging its high durability and flexibility, this technology could be applied to robotic tactile sensor arrays and artificial skin. It could enable both application to complex shapes and high-sensitivity data acquisition, significantly enhancing robot perception and operability.
Integration Roadmap — Estimated 16-Month Deployment
Phase 1: Technical Compatibility & Initial Optimization
Duration: 4 months
Conduct basic performance evaluation of this technology, confirm compatibility with the licensee's manufacturing equipment and materials, and optimize initial process conditions.
Phase 2: Prototyping, Evaluation & Reliability Testing
Duration: 7 months
Perform small-batch production and performance evaluation on a pilot line based on optimized process conditions. Conduct repeated durability tests for flexibility and operational stability to confirm reliability.
Phase 3: Mass Production Transition & Market Launch
Duration: 5 months
Based on prototyping results, finalize process integration and scale-up for mass production lines. Prepare for product market launch according to production plans.
Technical Feasibility
This technology combines materials and structures commonly used in existing thin-film deposition and semiconductor manufacturing processes, such as polyimide, aluminum oxide, and metal oxide semiconductors. Therefore, it can be integrated into existing production lines with only process modifications and optimization, requiring no significant capital investment, and presents a low technical barrier.
Success Scenario
Implementing this technology could reduce thin-film transistor defect rates and enhance long-term product reliability in flexible display and wearable device production lines. This is estimated to accelerate the market introduction of high-value flexible products, establishing a competitive advantage.
Patent Record
APPLICATION NO.
特願2021-140026
REGISTRATION NO.
7709339
FILING DATE
2021年08月30日
GRANT DATE
2025年07月08日
EXPIRATION DATE
2041年08月30日
PATENT HOLDER
日本放送協会
Examination History
2024年07月26日
出願審査請求書
2025年05月13日
拒絶理由通知書
2025年05月30日
意見書
2025年05月30日
手続補正書（自発・内容）
2025年06月10日
特許査定