Abstract: A phosphor for low-pressure discharge lamps is disclosed, wherein the phosphor is present in the form of phosphor grains coated with a protective layer, wherein the protective layer consists of a metal oxide, a metal borate, a metal phosphate or mixtures thereof.

Abstract: In different embodiments, a low-pressure discharge lamp (1) is provided. The low-pressure discharge lamp has a discharge vessel (2) and a coating structure (7). The coating structure is formed on an inner face of the discharge vessel (2). The coating structure (7) has first fluorescent particles (34) which have at least one fluorescent substance that emits red light and the average particle size of which ranges from 0.5 ?m to 1.9 ?m, second fluorescent particles (36) which have at least one fluorescent substance that emits green light and the average particle size of which ranges from 0.6 ?m to 2.8 ?m or from 1 ?m to 4 ?m, and third fluorescent particles (38) which have at least one fluorescent substance that emits blue light and the average particle size of which ranges from 1 ?m to 4 ?m.

Abstract: In different embodiments, a low-pressure discharge lamp (1) is provided. The low-pressure discharge lamp has a discharge vessel (2) and a coating structure (7). The coating structure is formed on an inner face of the discharge vessel (2). The coating structure (7) has first fluorescent particles (34) which have at least one fluorescent substance that emits red light and the average particle size of which ranges from 0.5 ?m to 1.9 ?m, second fluorescent particles (36) which have at least one fluorescent substance that emits green light and the average particle size of which ranges from 0.6 ?m to 2.8 ?m or from 1 ?m to 4 ?m, and third fluorescent particles (38) which have at least one fluorescent substance that emits blue light and the average particle size of which ranges from 1 ?m to 4 ?m.

Abstract: A phosphor for low-pressure discharge lamps is disclosed, wherein the phosphor is present in the form of phosphor grains coated with a protective layer, wherein the protective layer consists of a metal oxide, a metal borate, a metal phosphate or mixtures thereof.

Abstract: A gas discharge lamp may include: a discharge vessel; getter material in the discharge vessel, wherein the getter material has been introduced into the discharge vessel in anhydrous form. A method for producing the gas discharge lamp may include: introducing getter material into the discharge vessel of the gas discharge lamp, wherein the getter material is introduced into the discharge vessel in anhydrous form.

Abstract: A luminophore consisting of the BAM system as a host lattice, having the stoichiometry MxEu1?xMg1?y+dMnyAl10+2fO17+d+3f, is provided, wherein 0.2?x?0.48; 0?y?0.3; 0?d?0.1; ?0.1?f?1.0.

Abstract: A luminophore consisting of the BAM system as a host lattice, having the stoichiometry MxEu1?xMg1?y+dMnyAl10+2fO17+d+3f, is provided, wherein 0.2?x?0.48; 0?y?0.3; 0?d?0.1; ?0.1?f?1.0.

Abstract: A conversion LED is provided. The conversion LED may include a primary light source which emits in the short-wave radiation range below 420 nm, and a luminophore placed in front of it consisting of the BAM system as a host lattice for at least partial conversion of the light source's radiation into longer-wave radiation, wherein the BAM luminophore is applied as a thin layer having a thickness of at most 50 ?m directly on the surface of the light source, the BAM luminophore having the general stoichiometry (M1?r Mgr)O*k(Al2O3), where r=0.4 to 0.6 and M=EAeEu1?e, with EA=Ba, Sr, Ca, and e=0.52 to 0.8, and k=1.5 to 4.5.

Abstract: A conversion LED is provided. The conversion LED may include a primary light source which emits in the short-wave radiation range below 420 nm, and a luminophore placed in front of it consisting of the BAM system as a host lattice for at least partial conversion of the light source's radiation into longer-wave radiation, wherein the BAM luminophore is applied as a thin layer having a thickness of at most 50 ?m directly on the surface of the light source, the BAM luminophore having the general stoichiometry (M1?r Mgr)O*k(Al2O3), where r=0.4 to 0.6 and M=EAeEu1?e, with EA=Ba, Sr, Ca, and e=0.52 to 0.8, and k=1.5 to 4.5.

Abstract: A luminophore consisting of the BAM system as a host lattice, having the stoichiometry MxEu1?xMg1?y+dMnyAl10+2fO17+d+3f, is provided, wherein 0.2?x?0.48; 0?y?0.3; 0?d?0.1; ?0.1?f?1.0.

Abstract: The invention proposes a dielectric barrier discharge lamp having a phosphor mixture and improved color rendering. The phosphor mixture comprises at least the phosphor components A: cerium-activated yttrium aluminate (Y3Al5O12:Ce) and B: europium-activated barium magnesium aluminate (BaMgAl10O17:Eu). To further improve the color rendering and to match the emission spectrum to the spectral sensitivity of film, the phosphor mixture optionally also comprises the phosphor component C: cerium- and manganese-activated gadolinium magnesium zinc pentaborate (Gd(Zn,Mg)B5O10:(Ce, Mn)) and/or the phosphor component D: europium-activated strontium aluminate (Sr4Al14O25:Eu).

Abstract: The invention proposes a dielectric barrier discharge lamp having a phosphor mixture and improved color rendering. The phosphor mixture comprises at least the phosphor components A: cerium-activated yttrium aluminate (Y3Al5O12:Ce) and B: europium-activated barium magnesium aluminate (BaMgAl10O17:Eu). To further improve the color rendering and to match the emission spectrum to the spectral sensitivity of film, the phosphor mixture optionally also comprises the phosphor component C: cerium- and manganese-activated gadolinium magnesium zinc pentaborate (Gd(Zn,Mg)B5O10:(Ce, Mn)) and/or the phosphor component D: europium-activated strontium aluminate (Sr4Al14O25:Eu).

Abstract: The invention proposes a dielectric barrier discharge lamp having a phosphor mixture and the use of a dielectric barrier discharge lamp with a color temperature of at least 10,000 K for viewing X-rays. The phosphor mixture consists of the phosphor components R: europium-activated yttrium gadolinium borate ([Y, Gd]BO3:Eu),G: terbium-activated lanthanum phosphate (LaPO4: [Tb]) or cerium- and terbium-activated lanthanum phosphate (LaPO4:[Ce,Tb]) and B: europium-activated barium magnesium aluminate (BaMgAl10O17:Eu). The following applies to the proportions by weight in the mixture: 0.05≦R≦0.15, 0.50≦G≦0.70, 0.20≦B≦0.40 and R+G+B=1.

Abstract: A discharge vessel with an excimer fill comprises a cap, electrodes and a fill having at least one noble gas and a halogen, which, when the lamp is operating, together form an excimer, the discharge vessel being manufactured from quartz glass. The inner wall of the discharge vessel is completely covered with a passivation layer of a metal oxide of the metals Al, Hf, Y or Sc or the mixed oxides thereof, the layer having an amorphous structure and its layer thickness being 20 to 200 nm.

Abstract: A discharge vessel with an excimer fill comprises a cap, electrodes and a fill having at least one noble gas and a halogen, which, when the lamp is operating, together form an excimer, the discharge vessel being manufactured from quartz glass. The inner wall of the discharge vessel is completely covered with a passivation layer of a metal oxide of the metals Al, Hf, Y or Sc or the mixed oxides thereof, the layer having an amorphous structure and its layer thickness being 20 to 200 nm.