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Development of LG's Flexible AMOLED Technology from its Patent Portfolios

Development of LG's Flexible AMOLED Technology from its Patent Portfolios

LG's initial development of flexible AMOLED displays focused on the use of metal-foil substrates as evidenced by its 3.5-inch flexible AMOLED display launched in 2007, although it was only a pilot product. After showcasing its first flexible EPD (E-Paper Display) with a plastic substrate in 2012, LG unveiled its first plastic substrate-based flexible AMOLED display on SID in 2013, which became the prototype of LG's mass produced flexible AMOLED displays. With these technological competencies, LG has become an exclusive panel supplier for the first-generation Apple Watch. Since LG is a key panel supplier for Apple, the company's display technology developments have created significant market interest. This report analyzes LG's flexible display patents and its recent flexible AMOLED display developments to unveil its AMOLED development focuses and mass production plans.


  • COMMERCIALIZATION OF LG'S FLEXIBLE AMOLED PRODUCTS
    • POLED Resolution Crossing High-end Smartphone Entry Barriers
    • World's First Circular POLED Display Ready for Mass Production
  • LG'S FLEXIBLE AMOLED PATENTS
    • Sharp Rise in Patent Applications for Flexible Displays Since 2012
    • Surge in Number of Flexible Display Patent Applications Filed by LG's Top Ten Inventors between 2013 and 2014
    • Increased R&D Workforce for Flexible Displays
    • Patent Applications Concentrated in Two Classes
  • LG'S FLEXIBLE AMOLED TECHNOLOGIES IN TOP TWO PATENT CLASSES
    • Class 257/040: Organic Semiconductor Material
      • Table Claimed Functions of Patent Applications in Class 257/040
    • Class 345/173: Touch Panel
  • CONCLUSION
  • APPENDIX
    • Patent Search Criteria
    • Glossary of Terms
    • List of Companies

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