with luminescent surfaces or parts (luminescent compositions C09K11/00; light sources using luminescence F21K2/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: with luminescent surfaces or parts

CPC: with luminescent surfaces or parts (luminescent compositions C09K11/00; light sources using luminescence F21K2/00)

Full Title

Full titles differ between systems:

IPC:

Illuminated signs; Luminous advertising > with luminescent surfaces or parts

CPC:

Illuminated signs; Luminous advertising (G09F9/00, G09F11/00 take precedence; control of displays in general using static means to present variable information G09G) > with luminescent surfaces or parts (luminescent compositions C09K11/00; light sources using luminescence F21K2/00)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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G09F 13/22 electroluminescent (electroluminescent light sources per se H05B33/00) +3 CPC 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