피엔에이치테크

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R&D

Patents

Patent statistics

Applications

Chart of patent applications by year
  • 2021(78)
  • 2022(35)
  • 2023(59)
  • 2024(23)
  • 2025(30)
  • 2026(—)

Total 147

Granted

Chart of granted patents by year
  • 2021(8)
  • 2022(7)
  • 2023(5)
  • 2024(8)
  • 2025(21)
  • 2026(—)

Total 49

Patents by layer

Applications

Pie chart of patent applications by layer
  • CPL(123)
  • HTL(121)
  • Host(103)
  • ETL(36)
  • p-Dopant(12)
  • Dopant(9)
  • etc.(7)
  • N-CGL(1)

Total 412

Granted

Pie chart of granted patents by layer
  • Host(52)
  • HTL(18)
  • CPL(24)
  • p-Dopant(8)
  • Dopant(4)
  • ETL(4)
  • etc.(4)

Total 114