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PCE
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DIFF Subgroup
H05B 33/20

characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded

Introduced: September 1968

Full Title

Electroluminescent light sources > Light sources with substantially two-dimensional [2D] radiating surfaces > characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded

No child classifications to compare. This is a leaf node in both IPC and CPC.