Patent application number | Description | Published |
20080285301 | LIGHTING DEVICE COMPRISING A PLURALITY OF SEMICONDUCTOR LIGHT SOURCES - A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces such that the envelope of the light outcoupling faces forms a curved surface segment. | 11-20-2008 |
20090251918 | LIGHTING DEVICE, AUTOMOTIVE HEADLIGHTS AND METHOD FOR PRODUCING A LIGHTING DEVICE - Disclosed is a lighting device comprising at least one LED and at least one optical element, wherein the LED and the optical element are aligned with each other by means of at least one dowel pin. A method of making such a lighting device is also specified. The described lighting device is particularly well suited for use in a vehicle headlight. | 10-08-2009 |
20090302766 | MOTOR VEHICLE HEADLIGHT ELEMENT - A motor vehicle headlight element is specified which has at least one light-emitting diode and at least one control apparatus. The control apparatus is suitable for processing a signal which is dependent on a measurement variable and for applying a current, corresponding to the signal, to the light-emitting diode. The control apparatus and the light-emitting diode are arranged on a common mount. | 12-10-2009 |
20100141144 | Lamp Comprising a Base and at Least Light-Emitting Semiconductor Component - A lamp with a base ( | 06-10-2010 |
20110170302 | ILLUMINATION APPARATUS WITH A HEAT SINK - An illumination apparatus is provided. The illumination apparatus may include at least one light-emitting diode; and at least one heat sink for cooling the light-emitting diode, wherein at least one component of the illumination apparatus provided for thermal discharge has an emission coefficient of more than 0.75. | 07-14-2011 |
20110286227 | LED LAMP, MOUNTING AND METHOD FOR OPERATING AN LED LAMP - A lamp may include illumination means which include at least one LED, and having a base, by way of which the lamp can be connected to a mounting in order to be supplied with voltage, wherein the illumination means are connected to the base by way of a mechanism which in a first state couples the illumination means in rotatable fashion to the base around an axis and in a second state couples the illumination means to the base in a rotatably fixed manner, and light emitted by the illumination means has an intensity distribution which is asymmetric with respect to the axis. | 11-24-2011 |
20110291123 | METHOD FOR PRODUCING A PLURALITY OF LED ILLUMINATION DEVICES AND A PLURALITY OF LED CHIPSETS FOR ILLUMINATION DEVICES, AND LED ILLUMINTATION DEVICE - A method for producing a plurality of LED illumination devices which each emit light having an average value of a first photometric parameter including producing a plurality of LED chips which emit light of the same color; measuring values of the first photometric parameter of the LED chips; combining the LED chips to form groups of at least two LED chips which have different values of the first photometric parameter such that differences in the average values of all the LED illumination devices are imperceptible to the human eye; and equipping a respective LED illumination device with a group of LED chips. | 12-01-2011 |
20110292653 | LED lamp, method for manufacturing and LED lamp and bulb therefor - In various embodiments, a semiconductor lamp may include at least one semiconductor light source; a heat sink for cooling at least the at least one semiconductor light source; and a diffuser fixed to the heat sink; wherein the heat sink has at least one receptacle space; wherein the receptacle space is filled with solid filling compound; and at least one part of an edge of the diffuser is dipped into the filling compound in a positively locking manner. | 12-01-2011 |
20110304268 | LIGHTING DEVICE HAVING A SEMICONDUCTOR LIGHT SOURCE AND AT LEAST ONE SENSOR - In various embodiments, a lighting device is provided, which may include at least one semiconductor light source, at least one sensor and evaluation electronics functionally connected to the at least one sensor, wherein the evaluation electronics are arranged to trigger at least one action of the lighting device upon at least one predetermined sensor signal of the at least one sensor. | 12-15-2011 |
20120176796 | Cooling Member for Semiconductor Light Emitting Elements - A cooling member ( | 07-12-2012 |
20120195054 | Heat sink for an illumination device - A heat sink ( | 08-02-2012 |
20130107531 | HEAT SINK FOR A SEMICONDUCTOR LAMP AND A SEMICONDUCTOR LAMP | 05-02-2013 |
20130314928 | SEMICONDUCTOR LIGHTING DEVICE AND METHOD FOR INSTALLING A COVER ON A MOUNTING OF A SEMICONDUCTOR LIGHTING DEVICE - A semiconductor lighting device includes a translucent cover and a mounting for the cover, wherein the mounting has an annular groove, the cover is inserted into the annular groove and the cover is held in the annular groove, at least on a first side, by means of an adhesive. | 11-28-2013 |
20130343055 | LIGHTING APPARATUS - A lighting device includes at least one space for receiving at least one functional element, the space being connected to at least one semipermeable transmission element and otherwise closed off in a sealed manner and the at least one transmission element being transmissive to air in both directions and non-transmissive to water, at least in the direction of the space. | 12-26-2013 |
20140291707 | SEMICONDUCTOR LIGHT DEVICE HAVING A GALVANIC NON-INSULATED DRIVER - A semiconductor light-emitting device is disclosed. The device includes a plurality of semiconductor light sources and a driver with no galvanic isolation for operating the semiconductor light sources wherein the semiconductor light sources may be divided into at least two carriers, the carriers are applied on an electrically conductive substrate, and the driver, and current-conducting regions also provided on a surface of the carriers, are electrically insulated from the substrate. | 10-02-2014 |