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CPC Subgroup Additional Only
G09G 2320/0626

for control of overall brightness

Full Title

Control of display operating conditions > Adjustment of display parameters > for control of overall brightness

4 direct subcodes

Child Classifications

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  • G09G 2320/0633 by amplitude modulation of the brightness of the illumination source
  • G09G 2320/064 by time modulation of the brightness of the illumination source
  • G09G 2320/0646 Modulation of illumination source brightness and image signal correlated to each other
  • G09G 2320/0653 Controlling or limiting the speed of brightness adjustment of the illumination source

Top Applicants

Top 10 applicants by patent filingsfor class G09, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 22,477
  2. BOE TECHNOLOGY GROUP COMPANY CN 16,016
  3. BOE TECHNOLOGY GROUP COMPANY 12,918
  4. LG DISPLAY COMPANY KR 12,599
  5. SAMSUNG ELECTRONICS COMPANY KR 12,009
  6. SAMSUNG DISPLAY 6,252
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 4,410
  8. SONY CORPORATION JP 3,965
  9. LG ELECTRONICS KR 3,901
  10. LG DISPLAY COMPANY 3,705