CPC Main Group Additional Only
G02F 2201/00 Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
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