Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes

Full Title

Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers > Light sources comprising attachment means > Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes

Child Classifications

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• F21K 9/272 Details of end parts, i.e. the parts that connect the light source to a fitting; Arrangement of components within end parts (F21K9/278 takes precedence)
• F21K 9/275 Details of bases or housings, i.e. the parts between the light-generating element and the end caps; Arrangement of components within bases or housings (F21K9/278 takes precedence)
• F21K 9/278 Arrangement or mounting of circuit elements integrated in the light source