H01J 1/62 Luminescent screens; Selection of materials for luminescent coatings on vessels
Full Title
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps (details of electron-optical or ion-optical arrangements H01J3/00) > Screens on or from which an image or pattern is formed, picked-up, converted, or stored; Luminescent coatings on vessels > Luminescent screens; Selection of materials for luminescent coatings on vessels
Filing statistics
CPC H01J 1/62 belongs to the parent subclass H01J, which recorded 135,587 patent applications worldwide between 2013 and 2023. Annual filings grew from 10,933 in 2013 to 11,751 in 2023 (+7%), peaking at 14,583 applications in 2021. The most active applicants in class H01 are SAMSUNG ELECTRONICS COMPANY (37,897 applications), TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (36,116 applications) and APPLIED MATERIALS (21,640 applications).
Source: EPO PATSTAT, worldwide filings
7 direct subcodes
Child Classifications
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- H01J 1/63 characterised by the luminescent material
- H01J 1/64 characterised by the binder or adhesive for securing the luminescent material to its support
- H01J 1/66 Supports for luminescent material
- H01J 1/68 with superimposed luminescent layers
- H01J 1/70 with protective, conductive, or reflective layers
- H01J 1/72 with luminescent material discontinuously arranged, e.g. in dots or lines
- H01J 1/76 provided with permanent marks or references
Top Applicants
Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 37,897
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
- APPLIED MATERIALS US 21,640
- LG ENERGY SOLUTION KR 20,770
- LG CHEM KR 19,835
- TOKYO ELECTRON JP 18,519
- ROBERT BOSCH DE 14,595
- INTEL CORPORATION US 13,580
- MURATA MANUFACTURING COMPANY JP 12,151
- SAMSUNG SDI COMPANY KR 12,080