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PCE
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CPC Subgroup
H05B 33/12

Light sources with substantially two-dimensional [2D] radiating surfaces

Full Title

Electroluminescent light sources > Light sources with substantially two-dimensional [2D] radiating surfaces

5 direct subcodes

Child Classifications

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  • H05B 33/18 characterised by the nature or concentration of the activator
  • H05B 33/20 characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded