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H01J 2261/385

Non-chemical aspects of luminescent layers, e.g. thickness profile, shape and distribution of luminescent coatings

Full Title

Gas- or vapour-discharge lamps > Details > Devices for influencing the colour or wavelength of the light > Non-chemical aspects of luminescent layers, e.g. thickness profile, shape and distribution of luminescent coatings

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