Abstract: The invention relates to a method for controlling a motor vehicle headlight which at least comprises a laser diode (1) and a light conversion element (8) paired with the laser diode (1). Light conversion element (8) regions corresponding to different regions of the light image (11?) can be illuminated periodically and with a varying intensity by means of a light beam (2) of the laser diode (1), and the illumination intensity in the light conversion element (8) regions corresponding to the different regions of the light image (11?) is adjusted simultaneously by both the relative illumination duration of the different regions as well as different luminous intensities of the laser diode (1) in the light conversion element (8) regions corresponding to the different regions of the light image (11?).

Abstract: A component cooling device (101) comprising: a circuit board (102), the circuit board (102) having an upper side (103) and a lower side (104) facing away from the upper side (103); and at least one electronic component (106) and at least one hollow circuit board opening (107) for a gaseous cooling medium for cooling the component, wherein on the lower side (104) of the circuit board (102) is provided a guide (110) which forms a flow channel (109) that has at least one inlet (113) and at least one outlet, which is formed by the at least one circuit board opening (107), for at least one convection flow (108) of the cooling medium.

Abstract: A headlamp for vehicles, in which the laser beam of at least one laser light source (1) is directed via a beam deflection means (7) towards at least one light conversion means (8) in a scanning manner, which at least one light conversion means comprises a phosphor for converting light, and having a projection system (10) for projecting the light image (9) generated at the light conversion means onto the roadway (11), characterized in that at least one electro-optical modulator (4) is arranged in the beam path of the at least one laser light source (1), which at least one electro-optical modulator is controlled by a control unit (12) and lies before the light conversion means (8) in the beam path and affects the polarization of the light, wherein a polarization element (3, 5, 17) is arranged at least after the modulator in the beam path.

Abstract: A component cooling device (101) comprising: a circuit board (102), the circuit board (102) having an upper side (103) and a lower side (104) facing away from the upper side (103); and at least one electronic component (106) and at least one hollow circuit board opening (107) for a gaseous cooling medium for cooling the component, wherein on the lower side (104) of the circuit board (102) is provided a guide (110) which forms a flow channel (109) that has at least one inlet (113) and at least one outlet, which is formed by the at least one circuit board opening (107), for at least one convection flow (108) of the cooling medium.

Abstract: The invention relates to a method for controlling a motor vehicle headlight which at least comprises a laser diode (1) and a light conversion element (8) paired with the laser diode (1). Light conversion element (8) regions corresponding to different regions of the light image (11?) can be illuminated periodically and with a varying intensity by means of a light beam (2) of the laser diode (1), and the illumination intensity in the light conversion element (8) regions corresponding to the different regions of the light image (11?) is adjusted simultaneously by both the relative illumination duration of the different regions as well as different luminous intensities of the laser diode (1) in the light conversion element (8) regions corresponding to the different regions of the light image (11?).

Abstract: A method for inspecting LED modules of a lighting device containing at least two LEDs is provided: A pair of LEDs of a module is selected, the LEDs are connected to one another optically, preferably via a light guide, one LED is connected to a power source and the other LED is connected to an electrical measuring device, the two LEDs of a pair are connected together optically via an optical waveguide, one LED is energised with a predefined current strength and the physical change produced in the other LED is measured, and then the energising and measuring at the two LEDs are swapped, and the module is identified as faulty if the measured value lies outside a definable range in at least one measurement. An ICT device for performing the method includes an ICT adapter means including at least one optical waveguide for the optical connection of the LEDs.

Abstract: A printed circuit board (1) with multiple electronic components (2, 2?, 2?, 2??, 2??) arranged on it in at least one group (G1, G2, G3), each of the electronic components (2, 2?, 2?, 2??, 2??) having a first and a second electrical component contact surface (3?, 3?) facing the printed circuit board (1), the component contact surfaces (3?, 3?) being connected with corresponding printed circuit board contact surfaces (6, 7, 8) arranged on the printed circuit board (1), successive electronic components (2, 2?, 2?, 2??, 2??) being connected in series to form a string, the string having a wave-shaped course, the electronic components (2, 2?, 2?, 2??, 2??) of the string being arranged on the printed circuit board (1) in the form of a matrix with at least two rows (Z1, Z2, Z3) and at least two columns (S1, . . . , S6), and the string alternately running up and down along columns (S1, . . . , S6) that are arranged next to one another.

Abstract: An illuminating device for vehicles which has at least one LED branch (Z1, Z2) with at least one LED (DL11 . . . DL1n, DL21 . . . DL2n), and with a controlled LED power supply (1) and a drive (3) which provides dimming signals (SDA1, SDA2; SDD1, SDD2) for the LEDs, wherein an electronic switch (TS1, TS2) is associated to the at least one LED branch (Z1, Z2) and is supplied with a PWM dimming signal (SDD1, SDD2), and the at least one LED branch is bridged for the purpose of branching off a partial current (IN1, IN2) from a controlled auxiliary circuit (N1, N2) having a current controller with an analog controller (21, TN1, 22, TN2) which is supplied with an analog dimming signal (SDA1, SDA2).

Abstract: A vehicle headlight with a laser light source (1), having at least on laser diode branch (Z) with at least one modulated laser diode (DL), wherein the laser beam (2) of the at least one laser diode can be directed in a scanning manner by means of a light scanner (7) onto a light conversion means (8) in order to generate a luminous image (11) on same, which is projected by means of an imaging system (12) as light image (11?) onto the road (13), as well as with a laser diode controller (3) and a processing unit (4) associated with same, which is supplied with sensor signals (s1 . . . sn) and which delivers a modulation signal (sm) for the laser diode controller, and with a controlled power supply (15) for the laser diode controller. The laser diode branch (Z) is bridged by a controlled parallel circuit (P) which is designed as a current controller with an analog controller (16, T2) of the laser diode controller (3) and the modulation signal (sm) is fed to the analog controller.

Abstract: An illuminating device for vehicles which has at least one LED branch (Z1, Z2) with at least one LED (DL11 . . . DL1n, DL21 . . . DL2n), and with a controlled LED power supply (1) and a drive (3) which provides dimming signals (sDA1, SDA2; SDD1, SDD2) for the LEDs, wherein an electronic switch (TS1, TS2) is associated to the at least one LED branch (Z1, Z2) and is supplied with a PWM dimming signal (sDD1, SDD2), and the at least one LED branch is bridged for the purpose of branching off a partial current (IN1, IN2) from a controlled auxiliary circuit (N1, N2) having a current controller with an analog controller (21, TN1, 22, TN2) which is supplied with an analog dimming signal (sDA1, SDA2).

Abstract: A vehicle headlight with a laser light source (1), having at least on laser diode branch (Z) with at least one modulated laser diode (DL), wherein the laser beam (2) of the at least one laser diode can be directed in a scanning manner by means of a light scanner (7) onto a light conversion means (8) in order to generate a luminous image (11) on same, which is projected by means of an imaging system (12) as light image (11?) onto the road (13), as well as with a laser diode controller (3) and a processing unit (4) associated with same, which is supplied with sensor signals (s1 . . . sn) and which delivers a modulation signal (sm) for the laser diode controller, and with a controlled power supply (15) for the laser diode controller. The laser diode branch (Z) is bridged by a controlled parallel circuit (P) which is designed as a current controller with an analog controller (16, T2) of the laser diode controller (3) and the modulation signal (sm) is fed to the analog controller.

Abstract: The invention relates to a LED light module (M) for a lighting device for vehicles, which LED light module has at least one LED branch having at least one LED (LED1 . . . LEDn), wherein at least one component (RR) for identifying a bin class is arranged on the module, and the module is designed for operation with a total current (IG), and an analog controller (3, T2) for branching off a partial current (IB) is connected in parallel with the LED branch (Z) carrying a partial current (ID) of the total current (IG), wherein a signal (US) corresponding to the total current (IG) is fed to the analog controller as a reference variable and a signal (UR) proportional to one of the partial currents (IB, ID) and provided by the component (RR) for identifying the bin class is fed to the analog controller as a control variable.

Abstract: A method for symmetrising the branches of a lighting device for vehicles having at least two LED branches (ZW1, ZW2 . . . ZWn) connected in parallel. Each branch has at least one series resistor (R1 . . . Rn) and at least one LED (D11 . . . Dn2) connected in series. The at least one series resistor (R1 . . . Rn) of each branch is bridged by a conducting track (LA1 . . . LAn) provided on a printed circuit board. This conducting track is accessible for a tool of a depanelling device, with the aid of which said conducting track can be severed. The current through each branch and/or the brightness of at least one LED (D11 . . . Dn2) is measured in each branch, and in a branch in which the measured current and/or the measured brightness exceeds a definable limit value, the bridging conducting track of the at least one series resistor is severed with aid of the tool.

Abstract: A headlamp for vehicles, in which the laser beam of at least one laser light source (1) is directed via a beam deflection means (7) towards at least one light conversion means (8) in a scanning manner, which at least one light conversion means comprises a phosphor for converting light, and having a projection system (10) for projecting the light image (9) generated at the light conversion means onto the roadway (11), characterised in that at least one electro-optical modulator (4) is arranged in the beam path of the at least one laser light source (1), which at least one electro-optical modulator is controlled by a control unit (12) and lies before the light conversion means (8) in the beam path and affects the polarisation of the light, wherein a polarisation element (3, 5, 17) is arranged at least after the modulator in the beam path.

Abstract: A printed circuit board (1) with multiple electronic components (2, 2?, 2?, 2??, 2??) arranged on it in at least one group (G1, G2, G3), each of the electronic components (2, 2?, 2?, 2??, 2??) having a first and a second electrical component contact surface (3?, 3?) facing the printed circuit board (1), the component contact surfaces (3?, 3?) being connected with corresponding printed circuit board contact surfaces (6, 7, 8) arranged on the printed circuit board (1), successive electronic components (2, 2?, 2?, 2??, 2??) being connected in series to form a string, the string having a wave-shaped course, the electronic components (2, 2?, 2?, 2??, 2??) of the string being arranged on the printed circuit board (1) in the form of a matrix with at least two rows (Z1, Z2, Z3) and at least two columns (S1, . . . , S6), and the string alternately running up and down along columns (S1, . . . , S6) that are arranged next to one another.