A compact fluorescent lamp and a low-pressure mercury vapor discharge lamp

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A low-pressure mercury vapor discharge lamp has a light-transmitting discharge vessel ( 10 ), enclosing, in a gastight manner, a discharge space ( 11 ) provided with a filling of mercury and a rare gas. The discharge vessel ( 10 ) comprises means ( 41 a) for maintaining a discharge in the discharge space ( 11 ). At least a part of an inner wall of the discharge vessel ( 10 ) is provided with a protective translucent layer ( 16 ). According to the invention, the discharge vessel ( 10 ) is provided with a pinched seal ( 20 ). In addition, the translucent layer ( 16 ) comprises a borate and/or a phosphate of an alkaline earth metal and/or of scandium, yttrium or a further rare earth metal. Preferably, the glass composition is made from a sodium-rich glass including the following constituents : 70-75 wt. % SiO2, 15-18 wt. % Na2O, 0.25-2 wt. % K2O. The discharge lamp according to the invention has a comparatively high maintenance.