Patent classifications
F21S41/663
LIGHTING DEVICE
A lighting device includes: a liquid crystal element having electrode pattern including a first portion and a second portion; drive circuit connected to the electrode pattern; polarizer disposed in front of the liquid crystal element and separated from the liquid crystal element in optical axis direction; analyzer disposed at rear of the liquid crystal element, and separated from the liquid crystal element in optical axis direction, wherein the polarizer and the analyzer constitute crossed Nicol polarizers; light source for supplying lights to the liquid crystal element within a predetermined incident angle range; and projection optical system projecting lights transmitted through the liquid crystal element forwardly; wherein the polarizer and the analyzer locally overlap with the liquid crystal element in projection normal to the liquid crystal element, and when the light source is turned on, the drive circuit supplies drive signal to the first portion of the electrode pattern which applies or releases voltages in compliance with circumstances, and supplies drive signal to the second portion of the electrode pattern which continuously applies voltage, lights transmitting through the first portion of the electrode pattern and projecting forward transmit both the polarizer and the analyzer, and lights transmitting through the second portion of the electrode pattern and projecting forward include components which do not transmit at least one of the polarizer and the analyzer.
LED module and lighting device for a motor vehicle with several such LED modules
A light module of a lighting device of a motor vehicle including at least three optical elements for deflecting the light beams emitted by the light source arranged in succession in the beam path of the emitted light that produces a pre-defined light distribution on a lane in front of the motor vehicle. The first optical element comprises a first reflector element, which reflects the light beams emitted from the light source, the second optical element, which is arranged downstream from the first reflector element in the beam path, comprises a second reflector element and the third optical element, which is arranged downstream from the second reflector element in the beam path, comprises a lens element which, in cooperation with the second reflector element, projects the light beams previously deflected to the two reflector elements to realize the predefined light distribution on the lane in front of the motor vehicle.
LED module and lighting device for a motor vehicle with several such LED modules
A light module of a lighting device of a motor vehicle including at least three optical elements for deflecting the light beams emitted by the light source arranged in succession in the beam path of the emitted light that produces a pre-defined light distribution on a lane in front of the motor vehicle. The first optical element comprises a first reflector element, which reflects the light beams emitted from the light source, the second optical element, which is arranged downstream from the first reflector element in the beam path, comprises a second reflector element and the third optical element, which is arranged downstream from the second reflector element in the beam path, comprises a lens element which, in cooperation with the second reflector element, projects the light beams previously deflected to the two reflector elements to realize the predefined light distribution on the lane in front of the motor vehicle.
Intelligent automotive headlamp module with combined functions
An intelligent automotive headlamp module with combined functions comprises a three-color laser light source array (1), a beam combination lens assembly (2) used for converging three-color laser light, an electric-controlled deflecting reflector unit (3) arranged in the light emergence direction of the laser beam combination lens assembly (2), and a transmission-type fluorescent material (5), wherein the reflecting surfaces (A-1, B-1) of the reflector unit rotate around the axes in a reciprocating mode at a high speed, and thus a reciprocating scanning segment is formed; the transmission-type fluorescent material (5) converts blue single-wavelength light irradiating the front side of the transmission-type fluorescent material (5) into white complex-wavelength light, and the white complex-wavelength light is output from the back side of the transmission-type fluorescent material (5).
Intelligent automotive headlamp module with combined functions
An intelligent automotive headlamp module with combined functions comprises a three-color laser light source array (1), a beam combination lens assembly (2) used for converging three-color laser light, an electric-controlled deflecting reflector unit (3) arranged in the light emergence direction of the laser beam combination lens assembly (2), and a transmission-type fluorescent material (5), wherein the reflecting surfaces (A-1, B-1) of the reflector unit rotate around the axes in a reciprocating mode at a high speed, and thus a reciprocating scanning segment is formed; the transmission-type fluorescent material (5) converts blue single-wavelength light irradiating the front side of the transmission-type fluorescent material (5) into white complex-wavelength light, and the white complex-wavelength light is output from the back side of the transmission-type fluorescent material (5).
LIGHTING FIXTURE FOR VEHICLE
A lighting fixture for vehicle is provided with light source and lens, the light source comprising substrate, first light-emitting part having first base substrate provided on the substrate, and a plurality of second light-emitting parts positioned on the outside of first light-emitting part in horizontal direction and having second base substrate provided on the substrate. The first light-emitting part comprises a pair of first light-emitting chip parts provided on first base substrate with first separating part interposed therebetween. Each of the plurality of second light-emitting parts is equipped with a second light-emitting chip part obtained by covering, with a phosphor, a second light-emitting chip mounted on a second base substrate with the light-emitting layer side as the second base substrate side. The pair of first light-emitting chip parts comprise a first light-emitting chip mounted on the first base substrate, and a phosphor that covers the first light-emitting chip.
LIGHTING FIXTURE FOR VEHICLE
A lighting fixture for vehicle is provided with light source and lens, the light source comprising substrate, first light-emitting part having first base substrate provided on the substrate, and a plurality of second light-emitting parts positioned on the outside of first light-emitting part in horizontal direction and having second base substrate provided on the substrate. The first light-emitting part comprises a pair of first light-emitting chip parts provided on first base substrate with first separating part interposed therebetween. Each of the plurality of second light-emitting parts is equipped with a second light-emitting chip part obtained by covering, with a phosphor, a second light-emitting chip mounted on a second base substrate with the light-emitting layer side as the second base substrate side. The pair of first light-emitting chip parts comprise a first light-emitting chip mounted on the first base substrate, and a phosphor that covers the first light-emitting chip.
LIGHT SOURCE MODULE AND VEHICLE HEADLAMP USING THE SAME
A light source module and a vehicle headlamp is provided. The light source module and the vehicle headlamp include a circuit board and first and second light emitting modules that are disposed on the circuit board. The first and second light emitting modules are divided by a partition wall. Each of the first and second light emitting modules includes a blue LED light source and a phosphor that is disposed on the blue LED light source. The phosphor is configured to be activated by the blue LED light source to emit first light and includes a phosphor film that is disposed on an exterior of the first light emitting module and the phosphor film is configured to emit a second light.
Lamp for vehicle and method for controlling the same
A vehicle lamp includes: a light source unit including at least one light source configured to generate light; a shield portion located closer to a front of the vehicle lamp as compared to the light source unit, and configured to receive the light generated by the light source and to transmit at least a portion of the received light to form a beam pattern, the shield portion including: a first shield configured to form at least part of the beam pattern; and a second shield having a light transmittance that is configured to be controlled to modify the beam pattern; a drive unit configured to drive the shield portion; and at least one processor configured to control at least one of the shield portion or the drive unit to modify the beam pattern.
Lamp for vehicle and method for controlling the same
A vehicle lamp includes: a light source unit including at least one light source configured to generate light; a shield portion located closer to a front of the vehicle lamp as compared to the light source unit, and configured to receive the light generated by the light source and to transmit at least a portion of the received light to form a beam pattern, the shield portion including: a first shield configured to form at least part of the beam pattern; and a second shield having a light transmittance that is configured to be controlled to modify the beam pattern; a drive unit configured to drive the shield portion; and at least one processor configured to control at least one of the shield portion or the drive unit to modify the beam pattern.