Patent application number | Description | Published |
20110018420 | METHOD FOR CONFIGURING A LENGTH OF AN ELECTRODE OF A DISCHARGE LAMP AND DISCHARGE LAMP - A method for designing a length of an electrode of a discharge lamp may include introducing fill materials into a discharge space of a lamp bulb of the discharge lamp; combining at least a first fill material with evaporated electrode material during operation of the discharge lamp; and forming a storage material for the electrode material in the lamp bulb by the combination, the electrode material contained in the storage material being released again as a function of a temperature effect on the storage material and being transported to the tip of the electrode and being deposited there so as to lengthen the electrode. | 01-27-2011 |
20110121745 | Modified Alternating Current Operation of a High-Pressure Discharge Lamp - A method for operating a high pressure discharge lamp with an alternating current, comprising providing the alternating current with a DC component differing from zero. | 05-26-2011 |
20110194290 | REDUCTION OF THE POWER INTRODUCED INTO THE ELECTRODE OF A DISCHARGE LAMP BY BACK-REFLECTION - An illumination unit including a discharge lamp is provided. The discharge lamp may have an electrode, and a reflector with a reflective surface and an optical axis, the electrode having in a sectional plane, which includes the optical axis, a sectional area, and a projection of the reflective surface of one of the halves of the reflector that are separated by the section perpendicularly into the sectional plane along optical paths that are free for the light of the illumination unit resulting in a projected area, wherein the overlap of the projected area and the sectional area is smaller than the area of the electrode in a plane which is perpendicular to the sectional plane and includes the optical axis. | 08-11-2011 |
20110317430 | Reflector, Light Source Arrangement And Projector Apparatus - A reflector may have a reflective surface, wherein the contour of the reflective surface is traversed by a Bézier curve. | 12-29-2011 |
20120194084 | METHOD FOR OPERATING HIGH-PRESSURE DISCHARGE LAMPS - In various embodiments, a method for operating high-pressure discharge lamps, in which high-pressure discharge lamps are operated at the same time in a different thermodynamic state, so that one high-pressure discharge lamp having an emission line emits at a spectral position and at the same time a different high-pressure discharge lamp having an absorption line emits light at the same spectral position, wherein at least some of the light emitted by each high-pressure discharge lamp is converged in a local area. | 08-02-2012 |
20120195059 | Lighting Fixture Having an Optical Wave Guide and a Descartes Lens or Descartes Reflector - A light guiding structure comprising a light guiding element ( | 08-02-2012 |
20120219277 | Luminaire, Camera or Camcorder Having Same and Optical Element for a Luminaire - A luminaire ( | 08-30-2012 |
20120316397 | Light Source unit and projector having such a light source unit - A light source unit may include a cooling device; a luminescent substance; an excitation radiation source having a laser source; and an optical element arranged between the radiation source and the substance; wherein the cooling device constitutes a heat sink, wherein the substance is linked thermally to the heat sink; and wherein the optical element is designed as an integrating optical element and is coupled between the radiation source and the substance in such a mariner that a part of the radiation emitted by the radiation source, entering in an acceptance angle range of the integrating optical element, is subjected to an internal reflection in the optical element before it exits the optical element and strikes the substance, and that a part of the radiation emitted by the substance enters the optical element and exits the optical element as effective radiation. | 12-13-2012 |
20130155649 | Phosphor Device and Lighting Apparatus Comprising the Same - A phosphor device ( | 06-20-2013 |
20130194777 | Luminescent Device for the Conversion of Pump Light - A luminescent device is disclosed comprising a luminescent substance for the conversion of pump light, wherein a scattering body which scatters the pump light is provided. The pump light input into the scattering body may first be scattered at inert scatterers provided in the scattering body and subsequently converted. Light scattered at luminescent particles may also be simultaneously converted. | 08-01-2013 |
20130229787 | PHOSPHOR ASSEMBLY WITH PHOSPHOR ELEMENT AND OPTICAL SYSTEM - This invention relates to a phosphor assembly with a phosphor element for converting pump light into converted light, and an optical system for transmitting converted light and/or pump light. Therein, a liquid immersion material is provided in a gap between the phosphor element and the optical system, wherein an excess of immersion material enables a continuous exchange of the material in the gap and thus provides a cooling. | 09-05-2013 |
20130271947 | Illumination Device - A lighting device, comprising at least one reflector, at least one luminous region containing phosphor, and at least one laser, wherein the at least one luminous region is adapted to be excited to emit light by at least one laser and at least part of the light emitted by the at least one luminous region is incident on the at least one reflector. | 10-17-2013 |
20130294049 | ILLUMINATION ARRANGEMENT - In various exemplary embodiments, an illumination arrangement is provided, including a light source for providing laser light and a diffusely reflective material and/or a phosphorescent material and/or a fluorescent material, which is arranged on a surface in the illumination arrangement in such a way that light provided by the light source impinges on the material, wherein the surface forms a hollow body having one or more partial surfaces which are arranged in a manner facing one another at least in part in such a way that light reflected or generated by material arranged on one partial surface impinges at least partly on material arranged on the same or another partial surface of the surface, and both the incidence of the laser light and the emission of the reflected or generated light are effected via the same surface of the one or more partial surfaces. | 11-07-2013 |
20130301237 | INTERNALLY COOLED FLUORESCENT DEVICE AND REFLECTOR LAMP ARRANGEMENT COMPRISING SAID FLUORESCENT DEVICE - A dual fluorescent wheel with two disk-shaped carrier elements which are interconnected by wing-type cooling ribs is disclosed. When the dual fluorescent wheel rotates, air flows in through an axial opening in one of the carrier elements, the air flows radially through the interspace between the carrier elements or the wing-type cooling ribs and flows out at the edge. This airflow improves the dissipation of heat which is produced when an excitation laser irradiates the annular fluorescent strips located on the two exterior faces. | 11-14-2013 |
20130307400 | ILLUMINATION DEVICE INCLUDING PHOSPHOR ELEMENT AND OPTICAL SYSTEM - An illumination device with an exit surface for pump light propagation with a main propagation direction and a phosphor element for converting the pump light into converted light is disclosed. Further, an optical system with a reflection surface is provided for deflecting the pump light, where the reflection surface reflects the pump light with a directional component opposite to the main propagation direction and onto the phosphor element. | 11-21-2013 |
20130329421 | Optical Element and Lighting Device - A reflector/imaging optical element ( | 12-12-2013 |
20130329426 | LIGHTING APPARATUS - Lighting apparatus comprising a light source emitting primary light; a reflector device with first and second focal points; a rotatable light wheel with two functional regions; a primary light device irradiated by the light source and having functionally assigned to it one of the functional regions as a primary light functional region, the first focal point being located at the primary light device; a utility light device to which is functionally assigned another of the functional regions as a utility light functional region, the second focal point being located at the utility light device; a primary light functional region having in a first rotational position of the light wheel at least one phosphor sensitive to the primary light; and a utility light functional region being transmissive to the light whose wavelength is converted by the primary light functional region. | 12-12-2013 |
20130329448 | LIGHTING APPARATUS WITH PHOSPHOR ELEMENT - A lighting apparatus includes an exciting light source for emitting exciting light; a phosphor element having a phosphor for converting at least partially the exciting light into yellow light; a solid state light source for emitting blue light; and an optical system for guiding the exciting light onto the phosphor element and guiding and mixing the converted yellow light and the blue light. The optical system includes a dichroic mirror for reflecting blue light and transmitting yellow light. | 12-12-2013 |
20140022760 | Phosphor Wheel for Converting Pump Light - A phosphor wheel for converting pump light to conversion light, on which a first phosphor for emitting conversion light of a first color and a second phosphor for emitting conversion light of a second color are provided. The light of first and second phosphors, which are arranged in a manner spatially separated from one another on the phosphor wheel, has the same hue in this case. Depending on the requirement, either the first or the second phosphor can thus be selected. | 01-23-2014 |
20140126179 | METHOD FOR MANUFACTURING A PHOSPOR DEVICE AND LIGHTING APPARATUS COMPRISING SUCH PHOSPHOR DEVICE - A method for manufacturing a phosphor device may include: providing an optical transmitting member having a first end face and a second end face, whereby the optical transmitting member is designed for guiding exciting light entering through the first end face onto a phosphor layer arranged on the second end face, whereby at least a part of the exciting light is being wavelength-converted by the phosphor layer, and whereby the optical transmitting member is further designed for at least partially collecting and guiding the light converted by the phosphor layer; attaching an optically transparent electrode on the second end face of the optical transmitting member; providing a phosphor and a counter-electrode designed for electrophoretic deposition of the phosphor; and depositing a phosphor layer on the optically transparent electrode by means of electrophoretic deposition, thereby using the optically transparent electrode as a coating electrode. | 05-08-2014 |
20140146244 | LIGHT MODULE FOR A PROJECTION DEVICE - A light module for a projection device may include: at least one light source designed to emit partly polarization radiation; and a first polarization beam splitter, which is arranged in the beam path of the radiation emitted by the at least one light source, wherein the polarization beam splitter is designed to provide radiation of a first polarization at a first output and radiation of a second polarization at a second output. The light module includes a first beam cube arranged in the beam path of the radiation, a first to fourth LCD panels; a second dichroic beam splitter arranged between a first output of the first polarization beam splitter and a first input of the beam cube. | 05-29-2014 |
20140153214 | Phosphor Device and Lighting Apparatus Comprising the Same - A phosphor device ( | 06-05-2014 |
20140166902 | Wavelength Conversion Body And Method For Manufacturing Same - A wavelength conversion body ( | 06-19-2014 |
20140177663 | Semiconductor Emitter and Method for Producing Useful Light from Laser Light - A semiconductor emitter ( | 06-26-2014 |
20140333901 | Phosphor Wheel and Illumination Device Comprising this Phosphor Wheel and a Pump Light Source - The invention provides an illumination device comprising a pump light source and a phosphor wheel. The phosphor wheel comprises at least two segmented phosphor layers. The front surfaces of the phosphor layers do not form a common plane, but instead a kind of relief in which the surfaces of the phosphor layers extend in different imaginary planes. When the phosphor wheel rotates through a beam waist of the pump. light, in this way the size of the pump light spot and therefore also the power density distribution of the pump light on the respective phosphor layer are adapted. | 11-13-2014 |
20150043242 | ILLUMINATING DEVICE AND PROJECTOR - An illuminating device may include a light source, an optical unit configured to adjust direction of light from the light source, a reflector, a light pipe, and an exciter. The light pipe may receive light having a first wavelength from the optical unit and direct the light having the first wavelength onto the exciter. The exciter may convert the light having the first wavelength into light having the second wavelength and reflects the light having the second wavelength to the reflector. A circumferential wall of the light pipe is configured to reflect the light having the first wavelength and to transmit the light having the second wavelength. | 02-12-2015 |