characterised by the way in which colour is displayed

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators > characterised by the way in which colour is displayed

CPC:

Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators (image data processing or generation, in general G06T) > characterised by the way in which colour is displayed

CPC subdivides this area 3x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

Navigate with arrow keys, Enter to open

G09G 5/022 CPC only CPC only
G09G 5/024 CPC only CPC only
G09G 5/026 CPC only CPC only
G09G 5/028 CPC only CPC only
G09G 5/04 using circuits for interfacing with colour displays since 1990 IPC+CPC Available in IPC and CPC
G09G 5/06 using colour palettes, e.g. look-up tables since 1990 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G09,2013–2023, worldwide · Source: EPO PATSTAT

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

Top Applicants (CPC)

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