US Pat. No. 10,560,998

CIRCUIT ASSEMBLY AND METHOD FOR SIMULATING A LOAD CURRENT FROM AN ON-BOARD ELECTRICAL SYSTEM

OSRAM BETEILIGUNGSVERWALT...

1. A circuit assembly for simulating a first load current for a first load to be simulated in an on-board network, comprising:an input configured to be connected to a line of the on-board network of a vehicle for connecting to a second load,
an output for connecting to a light source, wherein the light source has a lower current consumption than the first load to be simulated,
a series circuit comprising a resistor and a switch, wherein the resistor is rated to a comparable order of magnitude to a resistance of the first load to be simulated, and the series circuit is connected in parallel with the input,
a switching controller, wherein an input of the switching controller is connected in parallel with the input of the circuit assembly, and draws a current from the line of the on-board network for connecting to the second load, wherein a second load current is smaller than the first load current,
wherein the circuit assembly is configured, upon the activation of the second load, to open the switch and activate the switching controller and, upon the disconnection of the second load, to close the switch and deactivate the switching controller, wherein an output of the switching controller feeds at least a portion of the drawn load current back into the on-board network,
wherein upon the activation of the second load, the light source is only switched on after a specific time interval following the closing of the switch.

US Pat. No. 10,638,568

HEADLAMP HAVING A CIRCUIT ASSEMBLY FOR SIMULATING A LOAD CURRENT FROM A VEHICLE ELECTRICAL SYSTEM

OSRAM BETEILIGUNGSVERWALT...

1. A headlamp for a conversion of an original headlamp of a vehicle, the headlamp having one or more light functions, the headlamp comprising:an input for each respective light function of the one or more light functions, wherein each respective input is configured to connect to a line of an on-board network of the vehicle,
an output configured to connect to the on-board network of the vehicle,
a module for simulating an original load current for each of the one or more light functions that require significantly less power in the headlamp than a corresponding original light source in the original headlamp,
wherein each respective module comprises an electronic converter, a series circuit arrangement of a resistor and a switch, wherein the resistor is rated to a comparable order of magnitude of a resistance of the original load current to be simulated, and the series circuit is connected in parallel with the input,
one or more light sources each having an associated electronic operating device for each of the one or more light functions of the headlamp, and
a controller for controlling each respective module and for controlling the one or more light sources
wherein the module is configured, upon activation of at least one of the one or more light functions, to open the switch and turn on the electronic converter and, upon deactivation of the at least one of the one or more light functions, to close the switch and turn off the electronic converter,
wherein the one or more light sources are configured to be switched on after a specific time interval following closing of the switch.

US Pat. No. 10,716,180

LAMP WITH A YELLOW AND WITH A WHITE AND/OR BLUE LIGHT SOURCE GROUP

1. A lamp for a headlamp, the lamp comprising:at least two light source groups each including at least one controllable light source;
wherein the light sources of one light source group are set up for emitting yellow light;
wherein the light sources of another light source group are set up for emitting at least one of white or blue light;
wherein at least the light sources of the at least two light source groups are arranged for producing light that is collectively emittable;
further comprising a control unit;
wherein the lamp is configured to control at least the light sources of the at least two light source groups using the control unit;
wherein the light sources of the one light source group are controllable as a first subset and the light sources of the another light source group are controllable as a second subset; and
further comprising a storage unit containing a non-volatile stored information;
wherein the control unit is configured to control at least the light sources of the at least two light source groups in accordance with the stored non-volatile information in the storage unit;
wherein the lamp further comprises a sensor interface configured to receive at least one sensor signal; and
wherein the control unit is configured to control at least the light sources of the at least two light source groups in accordance with the at least one sensor signal;
wherein the lamp is configured to control a color point shift of emitted light using the at least two light source groups during the operation at least one of according to or proportionally to a state variable;
wherein the state variable comprises a parameter indicative of at least one of a degree of visibility during fog, a driving speed, or a vehicle position.

US Pat. No. 10,563,833

SOCKET WITH MOVEABLY MOUNTED OPTICAL UNIT

OSRAM BETEILIGUNGSVERWALT...

1. A socket for a lamp, the socket comprising:a connection which is prepared for retaining at least one light source;
an optical element which is prepared for optical coupling to the light source; and
a bearing;
wherein the optical element is movably mounted by the bearing for adaptation to a position of a light exit unit of a connectable light source; and
wherein a sealing element for being inserted between the light source and the connection is provided, and wherein at least one of the movability or the elasticity of the bearing is adapted to the sealing element.

US Pat. No. 10,677,407

IRRADIATION UNIT WITH PUMP RADIATION SOURCE AND CONVERSION ELEMENT

1. An irradiation unit, comprising:a pump radiation source for the emission of pump radiation; and
a conversion element for the at least partial conversion of the pump radiation to a conversion radiation;
wherein, during operation of the irradiation unit, the pump radiation is incident in the form of a beam from the pump radiation source on an incidence surface of the conversion element;
wherein a first portion of the pump radiation is incident on the conversion element in a central segment of the beam and a second portion of the pump radiation is incident on the conversion element in an edge segment of the beam surrounding the central segment; and
wherein the conversion element is provided in such a way that a normalized degree of conversion and/or a normalized degree of scattering is lower for the second portion of the pump radiation than for the first portion of the pump radiation;
wherein the conversion element is provided with at least one of a higher density of conversion or scattering centers in a central region through which the central segment of the beam passes than in an edge region through which the edge segment of the beam passes;
wherein the conversion element is provided with an electrode embedded into the conversion element; and
wherein the electrode is disposed between the central region of the conversion element and the edge region of the conversion element.

US Pat. No. 10,738,950

LIGHTING DEVICE COMPRISING A PUMP RADIATION SOURCE

1. An illumination apparatus (1), comprisinga pump radiation source (2) for emitting pump radiation (3),
a phosphor element (5) for converting the pump radiation (3) into conversion light (14,16) and
a carrier (6), on which the phosphor element (5) is mounted, which carrier (6) is made of a carrier material which is transparent at least for the pump radiation (3) and has a refractive index ncarrier,
wherein the pump radiation (3) passes through the carrier (6), exits at an exit surface (12) of the carrier (6) and is then incident on a pump radiation input coupling surface (13) of the phosphor element (5) that is arranged at the exit surface (12),
wherein the pump radiation (3) in the carrier (6) is incident on the exit surface (12) of the carrier (6) with a centroid direction (22), which centroid direction (22) is inclined with respect to a surface normal (21) on the exit surface (12) by an exit angle (20) ?out?0°,
wherein ?out wherein, in a condition of the phosphor element (5) being dismounted from the carrier (6) and optically decoupled from light exiting the exit surface (12), a lower limit angle of the exit angle (20) is given by ?out?arcsin.

US Pat. No. 10,704,755

LIGHTING APPARATUS

1. An illumination apparatus, comprisinga light generation device for generating a primary light beam,
a phosphor body configured to be irradiated using the primary light beam, for partially converting primary light of the primary light beam into secondary light, and
a spectral filter connected downstream from the phosphor body and configured to be more strongly transmissive for the secondary light than for the primary light,
wherein the spectral filter is arranged along a beam axis of the primary light beam that is incident on the phosphor body, and the spectral filter (2) covers the entire primary-light-dominated region of a light emission pattern of the phosphor body (105); and further comprising
a light sensor (4) arranged such that primary light (P) incident on the spectral filter (2) is able to be reflected into the light sensor (4); and wherein
the spectral filter (2) is applied on a side (6) of the transmitted-light element (107) that faces away from the phosphor body (105);
the primary light (P) is able to be reflected by the spectral filter (2) through the transmitted-light element (107) to a side (3) that faces the phosphor body (105); and
the side (3) that faces the phosphor body (105) in the region of the reflected primary light (P) takes the form of a TIR-free region.