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CPC Main Group Additional Only
H01J 2329/00

Electron emission display panels, e.g. field emission display panels

11 direct subcodes

Child Classifications

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  • H01J 2329/002 Cooling means
  • H01J 2329/005 Multi-directional displaying, i.e. with multiple display faces facing in different directions
  • H01J 2329/007 Vacuumless display panels, i.e. with phosphor directly applied to emitter without intermediate vacuum space
  • H01J 2329/90 Leading-in arrangements; seals therefor
  • H01J 2329/92 Means forming part of the display panel for the purpose of providing electrical connection to it
  • H01J 2329/96 Circuit elements structurally associated with the display panels (H01J2329/0494 takes precedence)

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 37,897
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
  3. APPLIED MATERIALS US 21,640
  4. LG ENERGY SOLUTION KR 20,770
  5. LG CHEM KR 19,835
  6. TOKYO ELECTRON JP 18,519
  7. ROBERT BOSCH DE 14,595
  8. INTEL CORPORATION US 13,580
  9. MURATA MANUFACTURING COMPANY JP 12,151
  10. SAMSUNG SDI COMPANY KR 12,080