Patent classifications
H
ELECTRICITY
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H05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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H05B
ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
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33/00
Electroluminescent light sources
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H05B33/12
Light sources with substantially two-dimensional [2D] radiating surfaces
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H05B33/14
characterised by the chemical or physical composition or the arrangement of the electroluminescent material; , or by the simultaneous addition of the electroluminescent material in or onto the light source
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H05B33/145
Arrangements of the electroluminescent material
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