IPC Main Group
H01J 1/00 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
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
Additional Content
Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps
Related Keywords
ANODES for discharge tubesCATHODE(S) for discharge tubesELECTRON sources in discharge tubes; ELECTRON guns
7 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01J 1/02 Main electrodes
- H01J 1/46 Control electrodes, e.g. grid; Auxiliary electrodes
- H01J 1/5 Magnetic means for controlling the discharge
- H01J 1/52 Screens for shielding; Guides for influencing the discharge; Masks interposed in the electron stream
- H01J 1/53 Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up, converted, or stored
- H01J 1/54 Screens on or from which an image or pattern is formed, picked-up, converted, or stored; Luminescent coatings on vessels
- H01J 1/88 Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
Top Applicants
Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
- SAMSUNG ELECTRONICS COMPANY KR 42,206
- LG CHEM KR 21,383
- APPLIED MATERIALS US 20,441
- LG ENERGY SOLUTION KR 20,279
- SAMSUNG DISPLAY KR 19,725
- CHINESE ACADEMY OF SCIENCES 19,400
- TOYOTA MOTOR CORPORATION 18,819
- SGCC(STATE GRID CORPORATION OF CHINA) 18,082
- TOKYO ELECTRON JP 17,634