F21S41/675

Illumination Apparatus for a Motor Vehicle Headlamp
20230143512 · 2023-05-11 ·

A lighting device (1) for a motor vehicle headlamp, including an optoelectronic component (2), a cooling element (3), a circuit board (4), a stabilisation element (5) and a fastening element (6), wherein the stabilisation element (5) comprises an opening (5a) for enclosing the optoelectronic component (2), wherein at least two stabilisation arms (7) extend away from an edge of the opening (5a), which stabilisation arms (7) are equipped to act on the optoelectronic component (2), wherein the cooling element (3) contacts the optoelectronic component (2) on a side facing away from an active side of the optoelectronic component in such a manner that the same exerts a pressure on the optoelectronic component (2) acting in the direction of the active side of the optoelectronic component (2), wherein the at least two stabilisation arms (7) are designed resiliently and act on the active side of the optoelectronic component (2) in such a manner that the at least two stabilisation arms (7) counteract this pressure of the cooling element (3).

Illumination Apparatus for a Motor Vehicle Headlamp
20230143512 · 2023-05-11 ·

A lighting device (1) for a motor vehicle headlamp, including an optoelectronic component (2), a cooling element (3), a circuit board (4), a stabilisation element (5) and a fastening element (6), wherein the stabilisation element (5) comprises an opening (5a) for enclosing the optoelectronic component (2), wherein at least two stabilisation arms (7) extend away from an edge of the opening (5a), which stabilisation arms (7) are equipped to act on the optoelectronic component (2), wherein the cooling element (3) contacts the optoelectronic component (2) on a side facing away from an active side of the optoelectronic component in such a manner that the same exerts a pressure on the optoelectronic component (2) acting in the direction of the active side of the optoelectronic component (2), wherein the at least two stabilisation arms (7) are designed resiliently and act on the active side of the optoelectronic component (2) in such a manner that the at least two stabilisation arms (7) counteract this pressure of the cooling element (3).

METHODS AND APPARATUS FOR MULTI-SEGMENT ILLUMINATION OF SPATIAL LIGHT MODULATORS

An apparatus includes an illumination source including a first illumination source segment and a second illumination source segment. The apparatus also includes driver circuitry coupled to the illumination source, the driver circuitry including a first driver coupled to the first illumination source segment, the first driver configured to produce a first drive signal to instruct the first illumination source segment to produce a first light having a first illumination intensity. The driver circuitry also includes a second driver coupled to the second illumination source segment, the second driver configured to produce a second drive signal to instruct the second illumination source segment to produce a second light having a second illumination intensity.

METHODS AND APPARATUS FOR MULTI-SEGMENT ILLUMINATION OF SPATIAL LIGHT MODULATORS

An apparatus includes an illumination source including a first illumination source segment and a second illumination source segment. The apparatus also includes driver circuitry coupled to the illumination source, the driver circuitry including a first driver coupled to the first illumination source segment, the first driver configured to produce a first drive signal to instruct the first illumination source segment to produce a first light having a first illumination intensity. The driver circuitry also includes a second driver coupled to the second illumination source segment, the second driver configured to produce a second drive signal to instruct the second illumination source segment to produce a second light having a second illumination intensity.

Light deflector and its manufacturing method, image projector, object recognition device, laser headlamp device, optical writing device, and mobile object
11644663 · 2023-05-09 · ·

A light deflector, a method of manufacturing the light deflector, and an image projector. The light deflector and the method includes forming a first wafer provided with a plurality of movable mirror units, bonding the first wafer to be sandwiched between a second wafer on which a plurality of base units are formed and a third wafer on which a plurality of spacers are formed, bonding a fourth wafer on which a plurality of transparent members are formed on the third wafer, bonding a plurality of polyhedron light-beam adjusters on the fourth wafer such that one of the plurality of polyhedron light-beam adjusters and the movable mirror unit become a pair, and cutting a wafer layered product of the first to fourth wafers for each area in which the light deflector is formed. The image projector includes the light deflector, and an image is projected by optical scanning.

Light deflector and its manufacturing method, image projector, object recognition device, laser headlamp device, optical writing device, and mobile object
11644663 · 2023-05-09 · ·

A light deflector, a method of manufacturing the light deflector, and an image projector. The light deflector and the method includes forming a first wafer provided with a plurality of movable mirror units, bonding the first wafer to be sandwiched between a second wafer on which a plurality of base units are formed and a third wafer on which a plurality of spacers are formed, bonding a fourth wafer on which a plurality of transparent members are formed on the third wafer, bonding a plurality of polyhedron light-beam adjusters on the fourth wafer such that one of the plurality of polyhedron light-beam adjusters and the movable mirror unit become a pair, and cutting a wafer layered product of the first to fourth wafers for each area in which the light deflector is formed. The image projector includes the light deflector, and an image is projected by optical scanning.

LIGHT MODULE WITH MEANS FOR ADJUSTMENT BETWEEN A LIGHT SOURCE AND AN OPTICAL ELEMENT

A light module for a lighting device of a vehicle, in particular for a headlamp, having a light source and an optical element which is accommodated on a support body, and wherein an adjuster is provided for adjusting the optical element to the light source in order to adjust a radiation position of the light source relative to the optical element. The adjuster has a wedge element, which is arranged movably between the support body and the optical element so that when the wedge element is shifted an adjustment of the optical element to the light source can be produced at least in a vertical direction.

LIGHT MODULE FOR VEHICLE
20170370549 · 2017-12-28 · ·

A light module for a vehicle may include a light source generating light, a variable mirror generating an image depending on the light by reflecting the light generated by the light source, and an optical receiving the light reflected by the variable mirror, the optical having a continuously curved shape in a left-and-right direction for light introduced into a center of the optical to be condensed and moved and light introduced into a side of the optical to be diffused and moved.

LAMP FOR VEHICLE
20230204179 · 2023-06-29 ·

A lamp for a vehicle using micromirrors includes a variable beam forming part that generates light and forms a variable beam pattern. In particular, the variable beam forming part includes a first optical part that irradiates the light; a beam pattern forming part that reflects the light of the first optical part to form the variable beam pattern; and a second optical part that transmits the light reflected from the beam pattern forming part. The beam pattern forming part includes a reflection part including a plurality of micromirrors; and a housing that accommodates the reflection part. The housing includes an anti-reflection member to prevent secondary reflection of the light having been reflected by the reflection part.

LAMP FOR VEHICLE
20230204178 · 2023-06-29 ·

A lamp for a vehicle using micromirrors includes a variable beam forming part that irradiates light and forms variable beam patterns. In particular, the variable beam forming part includes a first optical part that irradiates the light; a reflection part including a plurality of micromirrors and configured to reflect the light of the first optical part; a second optical part that transmits the light reflected by the reflection part; and a housing that supports the first optical part, the second optical part, and the reflection part. The plurality of micromirrors are configured to adjust their postures between a first posture in which the light incident from the first optical part is reflected in a first direction and a second posture in which the light incident from the first optical part is reflected in a second direction.