摘要:
A reflector element for an electric lamp is provided, wherein the reflector element is constructed in such a way that it is designed for photocatalysis and/or for color conversion of the light.
摘要:
A lamp in accordance with various embodiments may include at least one light source; and an electronic operating device; wherein at least some electronic components of the operating device are arranged laterally with respect to the light source.
摘要:
A low-pressure discharge lamp having a discharge vessel which delimits a gas-tight fill chamber containing a filling gas, wherein the side of the discharge vessel facing the fill chamber is coated at least partially with a luminescent phosphor mixture by means of which electromagnetic radiation in the non-visible range can be transferred into the visible range. A low-pressure discharge lamp which is energy-saving and at the same time possesses good efficiency is provided in that primarily argon is used as the filling gas and that the average particle size of the luminescent phosphor mixture is greater than 5 m.
摘要:
The invention relates to a fluorescent coating for Hg low-pressure discharge lamps, comprising a fluorescent composition from at least one green fluorescent material emitting in the green spectral range, especially a Tb- and/or Eu-doped green fluorescent material, and a red fluorescent material emitting in the red spectral range, especially a Eu and/or Mn red fluorescent material. The invention is characterized in that a further fluorescent material is present which is adapted to absorb UV Hg and Hg-Vis radiation.
摘要:
The present invention relates to oxidic nanocrystals and a process and apparatus for producing oxidic nanocrystals from metalorganic compounds or volatile inorganic compounds. In particular, the process is suitable for oxidic or oxysulfidic nanocrystals, particularly based on the elements Y, Gd, Mg, Ca, Ba and Al. The nanocrystals preferably have a mean initial particle size of 1 to 20 nm.
摘要:
In various embodiments, a luminophore composition for low pressure discharge lamps for generating radiation with a color temperature of greater than 4800 K having a very good general color rendering index of greater than 90, the luminophore composition including at least one halophosphate luminophore, a luminophore emitting in the red wavelength region, a luminophore emitting in the blue-green wavelength region, a europium-doped luminophore emitting in the blue wavelength region and a Tb-doped luminophore emitting in the green wavelength region, wherein the luminophore composition includes a luminophore emitting in an emission range in the visible region with wavelengths of greater than 380 nm and at least one emission band in the near ultraviolet and that the emitted intensity of the luminophore is smaller in the visible region than in the near ultraviolet region.
摘要:
In various embodiments, a luminophore composition for low pressure discharge lamps for generating radiation with a color temperature of greater than 4800 K having a very good general color rendering index of greater than 90, the luminophore composition including at least one halophosphate luminophore, a luminophore emitting in the red wavelength region, a luminophore emitting in the blue-green wavelength region, a europium-doped luminophore emitting in the blue wavelength region and a Tb-doped luminophore emitting in the green wavelength region, wherein the luminophore composition includes a luminophore emitting in an emission range in the visible region with wavelengths of greater than 380 nm and at least one emission band in the near ultraviolet and that the emitted intensity of the luminophore is smaller in the visible region than in the near ultraviolet region.
摘要:
The invention relates to an illuminant mixture for a discharge lamp (1) with a first and at least one second illuminant composition, said first illuminant composition having an emission spectrum in the green to yellow spectral range and having a first illuminant compound, devoid of Tb and designed to absorb the UV radiation emitted by an Hg source. The invention also relates to a discharge lamp (1) with a discharge vessel (2) and an illuminant layer (12) applied thereto, said layer containing the illuminant mixture according to the invention.
摘要:
A phosphor mixture for a discharge lamp, which includes a first phosphor compound and a second phosphor compound, wherein the first phosphor compound has an emission spectrum in the green and/or yellow spectral range and absorbs the UV radiation emitted by an Hg source and the radiation in the blue spectral range emitted by the Hg source, characterized in that the first phosphor compound of the phosphor mixture comprises (Ba,Sr,Ca)2SiO4:Eu and/or (Srl-x-yBaxCay)Si2O2N2:Eu(SrSiON), as a constituent, and the second phosphor compound of the phosphor mixture comprises Y2O3:Eu, as a constituent; and the phosphor mixture has a color temperature of less than 2500 K.
摘要翻译:一种用于放电灯的荧光体混合物,其包括第一荧光体化合物和第二荧光体化合物,其中所述第一荧光体化合物具有绿色和/或黄色光谱范围内的发射光谱,并且吸收由Hg源发射的UV辐射, 其特征在于,所述荧光体混合物的第一荧光体化合物包含(Ba,Sr,Ca)2 SiO 4:Eu和/或(Sr 1-x-y Bax Ca y)Si 2 O 2 N 2:Eu(SrSiON) 作为构成成分,荧光体混合物的第二荧光体化合物为Y2O3:Eu,作为成分。 荧光体混合物的色温小于2500K。
摘要:
An operating device for operating at least one Hg low-pressure discharge lamp which has a first and a second electrode coil may include a unit for providing a variable that is correlated with the Hg vapor pressure in the at least one Hg low-pressure discharge lamp comprises at least one unit for capturing emission spectra of at least specifiable spectral ranges, wherein the unit for capturing emission spectra may include at least one light receiving unit which is arranged in the beam path of the at least one Hg low-pressure discharge lamp.