Aspects of power supply; Aspects of display protection and defect management

Filing statistics

CPC G09G 2330/00 belongs to the parent subclass G09G, which recorded 225,109 patent applications worldwide between 2013 and 2023. Annual filings grew from 16,320 in 2013 to 19,138 in 2023 (+17%), peaking at 23,063 applications in 2019. The most active applicants in class G09 are SAMSUNG DISPLAY (22,477 applications), BOE TECHNOLOGY GROUP COMPANY (16,016 applications) and BOE TECHNOLOGY GROUP COMPANY (12,918 applications).

Source: EPO PATSTAT, worldwide filings

6 direct subcodes

Child Classifications

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G09G 2330/02 Details of power systems and of start or stop of display operation
G09G 2330/04 Display protection
G09G 2330/06 Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation
G09G 2330/08 Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
G09G 2330/10 Dealing with defective pixels
G09G 2330/12 Test circuits or failure detection circuits included in a display system, as permanent part thereof

Top Applicants

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

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