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IPC Subgroup
G09F 19/12

using special optical effects

Introduced: September 1968

Last revised: January 2006

Full Title

Advertising or display means not otherwise provided for > using special optical effects

Classification Context

Section:
PHYSICS
Class:
EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
Subclass:
DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS

Filing statistics

IPC G09F 19/12 belongs to the parent subclass G09F, which recorded 302,195 patent applications worldwide between 2013 and 2023. Annual filings grew from 15,483 in 2013 to 32,220 in 2023 (+108%), peaking at 43,845 applications in 2020. The most active applicants in class G09 are SAMSUNG DISPLAY (16,046 applications), BOE TECHNOLOGY GROUP COMPANY (13,766 applications) and BOE TECHNOLOGY GROUP COMPANY (12,804 applications).

Source: EPO PATSTAT, worldwide filings

4 direct subcodes

Child Classifications

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  • G09F 19/14 displaying different signs depending upon the view-point of the observer
  • G09F 19/16 involving the use of mirrors
  • G09F 19/18 involving the use of optical projection means, e.g. projection of images on clouds
  • G09F 19/2 with colour-mixing effects

Top Applicants

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

  1. SAMSUNG DISPLAY KR 16,046
  2. BOE TECHNOLOGY GROUP COMPANY 13,766
  3. BOE TECHNOLOGY GROUP COMPANY CN 12,804
  4. LG DISPLAY COMPANY KR 10,322
  5. SAMSUNG ELECTRONICS COMPANY KR 7,738
  6. SAMSUNG DISPLAY 5,172
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY 4,749
  8. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 3,417
  9. LG DISPLAY COMPANY 3,335
  10. SONY CORPORATION JP 3,179