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CPC Subgroup
H05B 33/12

Light sources with substantially two-dimensional [2D] radiating surfaces

Full Title

Electroluminescent light sources > Light sources with substantially two-dimensional [2D] radiating surfaces

5 direct subcodes

Child Classifications

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  • H05B 33/18 characterised by the nature or concentration of the activator
  • H05B 33/20 characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded

Top Applicants

Top 10 applicants by patent filingsfor class H05, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 9,981
  2. SAMSUNG DISPLAY KR 5,041
  3. LG ELECTRONICS KR 4,742
  4. PHILIP MORRIS PRODUCTS CH 4,411
  5. PANASONIC INTELLECTUAL PROPERTY JP 3,915
  6. PANASONIC INTELLECTUAL PROPERTY 3,471
  7. SAMSUNG ELECTRO-MECHANICS COMPANY KR 3,210
  8. MURATA MANUFACTURING COMPANY JP 3,191
  9. FUJI JP 2,987
  10. SIGNIFY HOLDING NL 2,907