CPC Main Group Additional Only
H01J 2329/00 Electron emission display panels, e.g. field emission display panels
11 direct subcodes
Child Classifications
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- H01J 2329/002 Cooling means
- H01J 2329/005 Multi-directional displaying, i.e. with multiple display faces facing in different directions
- H01J 2329/007 Vacuumless display panels, i.e. with phosphor directly applied to emitter without intermediate vacuum space
- H01J 2329/02 Electrodes other than control electrodes
- H01J 2329/18 Luminescent screens
- H01J 2329/46 Arrangements of electrodes and associated parts for generating or controlling the electron beams
- H01J 2329/86 Vessels
- H01J 2329/90 Leading-in arrangements; seals therefor
- H01J 2329/92 Means forming part of the display panel for the purpose of providing electrical connection to it
- H01J 2329/94 Means for exhausting the vessel or maintaining vacuum within the vessel
- H01J 2329/96 Circuit elements structurally associated with the display panels (H01J2329/0494 takes precedence)
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