Abstract: A method for producing a lighting device may include: providing a first mount, fastening a second mount to the first mount, at least partially severing the second mount into at least two parts after fastening of the second mount to the first mount, and fastening at least two luminescence diode chips to that side of the second mount which is remote from the first mount.
Abstract: A phosphor device (1) for converting pump light into converted light comprising: a container (3), wherein phosphor particles (5) are movable by a pressure fluid, and an illumination region (9), configured for an illumination of the phosphor particles (5), which are moved by pressure fluid, using pump light, as a result of which converted light is emitted.
Abstract: A lighting device may include a laser light source arrangement; an optical unit; at least one pivotable mirror; and at least one light wavelength conversion element. The optical unit and the at least one pivotable mirror are embodied in such a way that laser light generated by the laser light source arrangement is directed via the optical unit and the at least one pivotable mirror to the light wavelength conversion element. The lighting device may further include a unit configured to compensate for a lengthening or shortening—caused by the pivoting movement of the at least one pivotable mirror—of the optical path of the laser light generated by the laser light source arrangement and directed onto the at least one light wavelength conversion element via the optical unit and the at least one pivotable mirror.
Abstract: Various embodiments relate to a lighting apparatus including at least one light generating device for generating primary light, and at least one phosphor wheel arranged optically downstream of the light generating device. The phosphor wheel may include at least one phosphor for wavelength conversion of the primary light into secondary light. A plurality of phosphor wheels are arranged optically downstream of the light generating device.
Abstract: An LED light source module is disclosed, which can replace a halogen bulb. The LED light source module includes an LED light source, a heat sink, an electric fan unit, a driver circuit, and an attachment, and all of these constituent elements are integrated. A structure of the attachment is the same as that of an attachment of a halogen bulb generally used as a light source of a lighting apparatus for a vehicle. The LED light source module can replace a halogen bulb. When the LED light source module needs replacement, unlike the conventional LED head light where the whole lamp main body is replaced, only the LED light source module can be replaced.
Abstract: A semiconductor lighting device may include at least one semiconductor light source and a lens, wherein the lens has a light entrance surface at the underside, said light entrance surface facing the at least one semiconductor light source, and a light exit surface at the top side, the light entrance surface has a light deflection structure in the form of a TIR structure, at which entering light can be deflected in the direction of the light exit surface by means of total internal reflection, and the lens is fitted to the semiconductor lighting device in a detachable fashion.
Abstract: A lens having a first surface (1) and a second surface (2). The first surface (1) and the second surface (2) are mirror symmetric to a first symmetric plane (A) passing through an optical axis (Y) of the lens and extend in a first direction (X) perpendicular to the optical axis (Y). The curve profiles of the first surface (1) and the second surface (2) on the cross sections perpendicular to the first direction (X) are configured in such a way that light emitting from a light source (3) arranged at a predetermined position of a second surface side is refracted by the first surface (1) and the second surface (2) to be emitted in a direction which is offset from the optical axis (Y) by more than a predetermined angle.
Abstract: A light-emitting unit having a lighting unit (10; 110; 210; 310; 410; 510; 610; 710; 810; 910; 1010; 1110) and a projection unit (12; 112; 212; 312; 412; 512; 612; 712; 812; 912; 1012; 1112), in which the lighting unit and the projection unit adapted to be switched on and off independently of one another.
Abstract: An illumination control system includes a rectifying device, a damping device for inhibiting flickering, and a load circuit, wherein the illumination control system further comprises a recognizing control circuit connected between the rectifying device and the damping device, and wherein the recognizing control circuit includes a recognizing signal output module and a switch module, the recognizing signal output module generates a first control signal indicating that a dimmer is not connected upstream the rectifying device or the dimmer is connected upstream the rectifying device and reaches a predetermined dimming level and a second control signal indicating that the dimmer is connected upstream the rectifying device and does not reach the predetermined dimming level and at least one damping resistor of the damping device is short connected or is connected by means of the switch module according to the first control signal or the second control signal.
Abstract: A dimmer circuit may include: a rectification module, a control module and an output module, wherein the control module receives an input signal rectified through the rectification module and controls the output module to supply a load with an output signal in accordance with the input signal, and a compensation module which collects sampled signals characterizing dimming state of the dimmer circuit between the control module and the output module, and supplies the control module with a compensation signal in accordance with the sampled signals, the control module changing the value of the output signal according to the input signal and the compensation signal.
Abstract: A semiconductor light-emitting module includes a housing, at least one cooling body accommodated in the housing wherein the cooling body is thermally connected to at least one semiconductor light source, an active cooling device accommodated in the housing, and at least one electronics unit accommodated in the housing, at least for actuating the at least one semiconductor light source, wherein the housing has a leadthrough opening, and the at least one semiconductor light source is arranged in the region of the leadthrough opening.
Type:
Grant
Filed:
February 20, 2012
Date of Patent:
September 27, 2016
Assignee:
OSRAM GMBH
Inventors:
Roland Fiederling, Peter Frey, Harald Kaps, Jenny Trommer
Abstract: An illumination device includes a primary light unit for the emission of primary light, a phosphor element for the conversion of an excitation light part of the primary light and as a result the emission of conversion light, and a coupling element, to supply the excitation light part of the primary light to the phosphor element. The element has a first conversion region, which is configured to emit a first conversion light, and a second conversion region, which is configured to emit a second conversion light, which differs in its spectral properties from the first conversion light. The primary light unit, the element, and the coupling element are arranged such that in operation, the excitation light part is supplied to the phosphor element via the coupling element, wherein simultaneously a useful light part of the primary light is also supplied, guided via the coupling element, conversion-free to an illumination application.
Abstract: A method for making a cooling body for a lighting device may include: a) Providing multiple aluminum nitride ceramic radiators; b) Putting the multiple aluminum nitride ceramic radiators into a mold; c) Closing the mold, and injecting a melting metal into the mold so that the metal encloses a portion of each of the aluminum nitride ceramic radiators, wherein the metal has a melting point lower than that of the aluminum nitride ceramic radiators; and d) Opening the mold, and obtaining the cooling body.
Type:
Grant
Filed:
August 30, 2011
Date of Patent:
September 20, 2016
Assignee:
OSRAM GMBH
Inventors:
Xiaomian Chen, Xi Huang, Hao Li, Shang Ping Xiao
Abstract: An optoelectronic component device includes a first group of optoelectronic components including at least one first optoelectronic component, wherein the at least one first optoelectronic component provides electromagnetic radiation of a first color valence, a second group of optoelectronic components including at least one second optoelectronic component, wherein the at least one second optoelectronic component provides electromagnetic radiation of a second color valence, and a phase dimmer, wherein the phase dimmer is designed in such a way that a first operating mode and a second operating mode are provided, wherein the phase dimmer actuates the first and the second group of optoelectronic components in such a way that, in the first operating mode, a first array of optoelectronic components of the optoelectronic component device is energized and, in the second operating mode, a second array of optoelectronic components of the optoelectronic component device is energized.
Type:
Grant
Filed:
January 18, 2013
Date of Patent:
September 20, 2016
Assignee:
OSRAM GMBH
Inventors:
Bernhard Siessegger, Hubert Maiwald, Marijan Kostrun, Philip E. Moskowitz, Warren P. Moskowitz, Norwin von Malm
Abstract: A lens configured to a lighting device, comprising an optical part (1) and a mechanical part (2) surrounding the optical part (1), wherein, the mechanical part (2) comprises a blocking protrusion (3) protruding in a direction parallel to the optical axis (4) of the lens, surrounding the optical part (1) and spaced apart from the optical part (1). This type of lens can effectively prevent the optical part from being damaged, for example, in a low pressure molding process, by a hot liquid glue, improve the yield of the lighting device, and have fine waterproof ability at the same time. Also disclosed is a lighting device having this type of lens, and the lighting device has beautiful appearance and fine waterproof effect. A method configured to make this lighting device is also disclosed.
Type:
Grant
Filed:
September 5, 2011
Date of Patent:
September 20, 2016
Assignee:
OSRAM GmbH
Inventors:
Yaojun Feng, Chenglong Dai, Yubao He, Yabin Luo
Abstract: A light source module may include at least one LED cascade with a plurality of LEDs, a supply line, wherein at the input side the LED cascade is coupled thereto, and a ground line. The light source module further includes a communications line for coupling to a control device for the current to be provided by the current source, a thermal derating unit coupled between a first voltage source and the communications line and including a temperature-sensitive element, wherein the thermal derating unit applies a temperature dependent current component determined depending on the temperature-sensitive element, to the communications line, at least one current measurement resistor connected in series between the LED cascade and the reference potential, wherein the conductance of the current measurement resistor is proportional to the current requirement of the LED cascade, and at least one coupling resistor coupled between the coupling point and the communications line.
Abstract: Various embodiments may relate to a power supply unit including an output for outputting a current, a communications line, a current-measuring device and a microcontroller including an analog-to-digital converter. The current-measuring device generates a current on the communications line which is proportional to the conductance of a current-setting resistance, the current is convertable into a digital value by the analog-to-digital converter, the power supply unit assumes various operating states based on the digital value of the measured current, and at least one light source module is connectable to the output, wherein the at least one light source module has the current-setting resistance, which is connectable to the communications line. Various embodiments may further relate to a light source module including an input, a communications line and a current-setting resistance for setting the current applied to the light source module.
Type:
Grant
Filed:
June 25, 2013
Date of Patent:
September 13, 2016
Assignee:
OSRAM GMBH
Inventors:
Francesco Angelin, Paolo De Anna, Bernd Rudolph, Siegfried Mayer, Franz Maier