H10K 50/82 Cathodes
Full Title
Organic light-emitting devices (integrated devices or assemblies of multiple devices H10K59/00, H10K65/00; organic semiconductor lasers H01S5/36) > Constructional details > Electrodes > Cathodes
Filing statistics
CPC H10K 50/82 belongs to the parent subclass H10K, which recorded 287,700 patent applications worldwide between 2013 and 2023. Annual filings grew from 19,301 in 2013 to 29,524 in 2023 (+53%), peaking at 32,602 applications in 2020. The most active applicants in class H10 are SAMSUNG DISPLAY (38,446 applications), TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (30,922 applications) and SAMSUNG ELECTRONICS COMPANY (30,059 applications).
Source: EPO PATSTAT, worldwide filings
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H10K 50/822 characterised by their shape
- H10K 50/824 combined with auxiliary electrodes
- H10K 50/826 Multilayers, e.g. opaque multilayers
- H10K 50/828 Transparent cathodes, e.g. comprising thin metal layers
Top Applicants
Top 10 applicants by patent filingsfor class H10, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 38,446
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 30,922
- SAMSUNG ELECTRONICS COMPANY KR 30,059
- BOE TECHNOLOGY GROUP COMPANY CN 20,304
- LG DISPLAY COMPANY KR 17,772
- BOE TECHNOLOGY GROUP COMPANY 15,621
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 13,629
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 11,750
- SAMSUNG DISPLAY 11,316
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 9,697