LIGHT-SCATTERING BULB FOR A SEMICONDUCTOR RETROFIT LAMP

The light-scattering bulb (1) is provided for a semiconductor retrofit lamp (R1), said bulb (1) having a basic hollow cylindrical shape. The bulb (1) has a main part (2) made of glass, and the main part (2) is coated with a light-scattering layer (4). The light-scattering layer (4) has scattering pa...

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Bibliographische Detailangaben
Hauptverfasser:	WILLE, Christina, KONRAD, Armin, SCHÖNHEITS, Markus, SCHACHERER, Friedbert
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS HEATING JOINING GLASS TO GLASS OR OTHER MATERIALS LIGHT SOURCES NOT OTHERWISE PROVIDED FOR LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS LIGHTING MECHANICAL ENGINEERING METALLURGY MINERAL OR SLAG WOOL NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS WEAPONS
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Beschreibung
Zusammenfassung:	The light-scattering bulb (1) is provided for a semiconductor retrofit lamp (R1), said bulb (1) having a basic hollow cylindrical shape. The bulb (1) has a main part (2) made of glass, and the main part (2) is coated with a light-scattering layer (4). The light-scattering layer (4) has scattering particles (P1, P2) distributed in a translucent base material. The base material is an inorganic lead-free base material (G), and the scattering particles (P1, P2) are inorganic scattering particles. A method is used to produce a bulb (1), said method having at least the following steps: coating the main part (2) made of glass with a coating agent, which is a starting material for producing the light-scattering layer (4) of the bulb (1); and drying some sections of the coating agent and baking the layer so as to convert same into the light-scattering layer (4), said drying process being carried out in a staggered manner in the flow direction of the coating agent. The invention can be used in particular for semiconductor retrofit lamps for gas discharge tubes and linear lamps.