CPC Subgroup Additional Only
H01J 2329/18 Luminescent screens
Full Title
Electron emission display panels, e.g. field emission display panels > Luminescent screens
5 direct subcodes
Child Classifications
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- H01J 2329/20 characterised by the luminescent material
- H01J 2329/22 characterised by the binder or adhesive for securing the luminescent material to its support, e.g. substrate
- H01J 2329/28 with protective, conductive or reflective layers
- H01J 2329/30 Shape or geometrical arrangement of the luminescent material
- H01J 2329/32 Means associated with discontinuous arrangements of the luminescent material
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