Constructional arrangements not provided for in groups G02F1/00 - G02F7/00

Filing statistics

CPC G02F 2201/00 belongs to the parent subclass G02F, which recorded 256,497 patent applications worldwide between 2013 and 2023. Annual filings declined from 20,929 in 2013 to 16,823 in 2023 (-20%), peaking at 28,806 applications in 2017. The most active applicants in class G02 are SAMSUNG DISPLAY (14,409 applications), BOE TECHNOLOGY GROUP COMPANY (14,236 applications) and BOE TECHNOLOGY GROUP COMPANY (11,826 applications).

Source: EPO PATSTAT, worldwide filings

27 direct subcodes

Child Classifications

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G02F 2201/02 fibre
G02F 2201/04 monomode
G02F 2201/05 multimode
G02F 2201/06 integrated waveguide
G02F 2201/07 buffer layer
G02F 2201/08 light absorbing layer
G02F 2201/12 electrode
G02F 2201/14 asymmetric
G02F 2201/15 periodic
G02F 2201/16 series; tandem
G02F 2201/17 Multi-pass arrangements, i.e. arrangements to pass light a plurality of times through the same element, e.g. by using an enhancement cavity
G02F 2201/18 parallel
G02F 2201/20 delay line
G02F 2201/30 grating
G02F 2201/34 reflector
G02F 2201/36 Airflow channels, e.g. constructional arrangements facilitating the flow of air
G02F 2201/38 Anti-reflection arrangements
G02F 2201/40 Arrangements for improving the aperture ratio
G02F 2201/42 Arrangements for providing conduction through an insulating substrate
G02F 2201/44 Arrangements combining different electro-active layers, e.g. electrochromic, liquid crystal or electroluminescent layers

Top Applicants

Top 10 applicants by patent filingsfor class G02, 2013–2023, worldwide · Source: EPO PATSTAT

SAMSUNG DISPLAY KR 14,409
BOE TECHNOLOGY GROUP COMPANY CN 14,236
BOE TECHNOLOGY GROUP COMPANY 11,826
SAMSUNG ELECTRONICS COMPANY KR 10,141
FUJIFILM JP 8,506
LG DISPLAY COMPANY KR 7,558
NITTO DENKO CORPORATION JP 6,306
OLYMPUS CORPORATION JP 5,336
SONY CORPORATION JP 5,097
CANON JP 4,814