IPC Main Group
H05B 33/00 Electroluminescent light sources
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- Subclass:
- ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
Related Keywords
light sources using ELECTROLUMINESCENCE
3 direct subcodes
Child Classifications
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- H05B 33/02 Details
- H05B 33/1 Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
- H05B 33/12 Light sources with substantially two-dimensional [2D] radiating surfaces