Abstract: A vehicle light is disclosed. The vehicle light includes a first optical device and a second optical device. The first optical device and a light source are sealed in a housing. The second optical device is removably attached to the housing. The first optical device transmits the light rays from the light source into an intermediate pattern. The second optical device transmits the intermediate pattern to a target pattern. The second optical device may be switched to obtain a different target beam pattern or a different color.

Abstract: A lamp includes light sources, and MFLs corresponding to the light sources, each light source is configured to output light along an optical axis, each MFL is configured to receive the light output from the respective light source and to transmit the received light, and the MFLs include a central MFL, to which a first light output from a central light source is input, and from which the first light is output to form a central part of a light distribution pattern, a peripheral MFL, to which a second light output from a peripheral light source is input, and from which the second light is output to form a peripheral part of the light distribution pattern, wherein an intensity of illumination of the peripheral part of the light distribution pattern is lower than an intensity of illumination of the central part of the light distribution pattern.

Abstract: A lamp assembly for a vehicle includes a housing. The lamp assembly also includes an outer lens operably coupled with the housing to define a chamber therebetween. A light source is disposed in a first portion of the chamber and is configured to emit visible light through the outer lens to a region exterior to the vehicle. The lamp assembly further includes a LiDAR module disposed in a second portion of the chamber and facing the outer lens. The LiDAR module is configured to capture distance information based on infrared light reflected from the region exterior. The second portion is vertically spaced from the first portion.

Abstract: The invention relates to a light device for a motor vehicle, the device including a housing, members for fastening the housing to a body of the motor vehicle, a plate arranged in the housing and supporting at least one light module, a device for manually adjusting the orientation of the housing relative to the fastening members of the motor vehicle, arranged outside the housing, and a device for dynamically adjusting the orientation of the plate relative to the housing, arranged inside the housing.

Abstract: A vehicular light guide member includes a main body part and a light entrance part. The main body part has an exit surface and a plurality of specular surfaces facing the exit surface. Some of the specular surfaces constitute a displaced section that is closer to or farther from the exit surface than a reference section constituted of the remains of the specular surfaces. The specular surfaces as such allow light to be uniformly emitted through the exit surface.

Abstract: An optical unit includes a cylindrical rotatable lens and a light source provided in the rotatable lens. The rotatable lens is configured such that a light output from the light source is incident via an inner circumferential surface and is output via an outer circumferential surface as an irradiating beam, and a predetermined irradiated area is formed by scanning a space in front with the irradiating beam according to a periodical movement of the rotatable lens.

Abstract: A high beam and low beam switching device, a vehicle lamp comprising the high beam and low beam switching device, and a vehicle, the device comprising a light shielding plate, an impeller, and a driving device that is used for driving the light shielding plate and the impeller to rotate forwards and backwards; and a limiting mechanism used for limiting the rotation angle of the light shielding plate is provided between the light shielding plate and the driving device. The high-beam and low-beam switching device can achieve the successful switching of a high beam and a low beam, and the use of a vehicle lamp will not be affected; mist or moisture in the interior of the vehicle lamp can be removed, and meanwhile, the heat dissipation effect of the vehicle lamp can be improved, and the space that is occupied by the vehicle lamp will not be increased.

Abstract: A headlamp for a vehicle configured to generate a lighting region (3) in front of the vehicle comprises: a fixed matrix-array first light source configured to emit a high beam, a movable second light source configured to emit a low beam, a correcting mechanism configured to keep a vertical inclination of the low beam constant with respect to a reference horizontal line, when the vehicle is in motion, and a dioptric prism configured to remove at least one shadow region that may occur, in said lighting region, between the high beam and the low beam.

Abstract: A vehicle headlamp includes a shade that shields a part of light emitted from a light source. A predetermined end edge of the shade serves as a cut line forming portion that forms a cut line of a light distribution pattern and the shade is provided with a dimming portion positioned behind the cut line forming portion. The cut line forming portion and the dimming portion form a low-brightness portion having a lower brightness than that of other portions in a part of the light distribution pattern. A portion of the shade including the cut line forming portion is provided as a flat plate-shaped functional surface portion and at least the functional surface portion is tilted backward and downward.

Abstract: The invention relates to a light module, in particular for a motor vehicle, comprising a light source capable of emitting light rays; a collector with a reflective surface configured to collect and reflect the light rays emitted by the light source into a light beam along an optical axis of the module; an optical system configured to project the light beam. The collector is configured so that a portion of the light rays of the light beam are parallel to the optical axis or have an angle of inclination ? smaller than or equal to 25° in a vertical plane with respect to said axis; and the optical system is configured to form an image of the reflective surface of the collector. The invention also relates to a light device comprising one or more such light modules.

Abstract: An illuminating device and a method for optimizing the light pattern are provided. The illuminating device includes a lamp case having a lighting space; a light-reflecting cup, located in the lighting space and including a light incident side, a light emergent side; a light source, located in the lighting space and corresponding to the light incident side of the light reflecting cup; and a cylindrical lens, located in the lighting space and corresponds to the light emergent side of the light reflecting cup; wherein one surface of the cylindrical lens has a plurality of convex columns extending up and down, and each convex column faces to the light emergent side; wherein, when the light source emits light, the main bright area of the light pattern reflected by the light emergent side of the light reflecting cup is wide at the top and narrow at the bottom.

Abstract: A vehicular lighting fixture is provided which includes a combination of an aiming mechanism and a leveling mechanism that can reduce deformation of an aiming/leveling bracket. A vertical aiming mechanism and a leveling mechanism include an aiming/leveling bracket that is integrally molded with a resin. A rectangular recess is formed in the aiming/leveling bracket so as to accommodate an aiming nut serving as a point of load for the vertical aiming and an actuator output shaft serving as a point of effort. The rectangular recess is located on or near the central axis of the aiming nut where the central axis substantially coincides with the front-rear direction of a vehicle.

Abstract: A headlight control apparatus for controlling an irradiation angle of a headlight of a vehicle based on a pitch angle includes a height sensor and a camera. The height sensor detects a displacement amount of a spring upper member with respect to a rotation axis of the vehicle as a contraction length. The apparatus obtains an infinity point correlation value based on an infinity point position in the image obtained by the camera in a vertical direction. When a predetermined condition is satisfied, the apparatus obtains a standard pitch angle based on the contraction length and obtains the infinity point correlation value at the present time as a standard infinity point correlation value. When the condition is not satisfied, the apparatus obtains the pitch angle based on the standard pitch angle, the standard infinity point correlation value, and the infinity point correlation value at the present time.

Abstract: A lamp for an automobile and an automobile are disclosed. According to one aspect of the present disclosure, provided is a lamp for an automobile, the lamp including: a lens provided on the front outer side; a lens holder coupled to the lens to fix the lens; a heat dissipating module coupled to the lens holder in rear of the lens holder; a housing having a space configured to accommodate the lens, the lens holder, and the heat dissipating module, the housing having a through-hole which is provided in a rear side surface thereof and through which the heat dissipating module passes; and a sealing member provided between the heat dissipating module and the housing in the through-hole. The sealing member includes a protrusion-recess section having flexibility.

Abstract: A lamp for a vehicle includes a light source unit for generating a first light; a light adjustment unit for adjusting a first light concentration for the first light to generate a second light having a second light concentration from the first light concentration; and a movable mirror unit for reflecting the second light to form an image of a predetermined shape on a road surface. A position where the image is formed on the road surface is changed depending on a position of the movable mirror unit.

Abstract: In described examples, a DMD includes micromirrors. A first light source generates a first beam profile illuminating a first set of micromirrors of the DMD. A second light source generates a second beam profile illuminating a second set of micromirrors of the DMD. The first and second beam profiles partially overlap on at least some micromirrors of the DMD. The first light source is source-modulated independently of the second light source for adjusting power and brightness in response to a sensed driving condition. The micromirrors of the DMD are modulated in response to the sensed driving condition.

Abstract: An apparatus for adjusting high and low beams of an automobile headlamp comprising: a lens and a cooling support frame; wherein a parabolic reflector and a LED light assembly are set in the cooling support frame; wherein an opening is set on one side of the lens and an adjusting mechanism for adjusting high and low beams wherein the adjusting mechanism is set in the opening; wherein the adjusting is further comprising a fixed plate wherein the fixed plate is set on the cooling support frame near adjacent to the opening; wherein a solenoid valve is installed on the fixed plate; wherein a plurality of connecting pieces are set on both sides of the fixed plate; wherein an adjusting plate is movably connected between the connecting pieces through a clamp spring; wherein a cross rod is set on the adjusting plate; wherein a valve rod of the solenoid valve is connected to the cross rod such that the adjusting plate moves from position A to position B when the valve rod moves wherein the adjusting plate in position a

Abstract: The present disclosure provides a vehicle illuminating device including a lamp housing that functions as a heat sink, a light emitting element disposed in the lamp housing, and a control board that controls the light emitting element. A protruding portion is formed to have an internal space in the lamp housing, and at least a part of the control board is disposed in the internal space. Since the light emitting element is disposed in the lamp housing functioning as a heat sink, and at least a part of the control board is disposed in the internal space of the protruding portion, heat generated in the light emitting element and heat generated in the control board hardly affect each other, and the generation positions of the heat are apart from each other.

Abstract: A lamp, for a vehicle, that includes at least one light source configured to generate light; a transparent display configured to allow at least a portion of the light to pass through the transparent display; and a processor configured to control the transparent display to display, on a projection surface using the light, information related to the vehicle or driving conditions for the vehicle is disclosed.

Abstract: A light shield comprising a clamping mechanism, a shield and a motor, wherein a light-outlet groove is formed in the clamping mechanism, the shield is arranged on the clamping mechanism in a reciprocating mode through a limiting mechanism, and the motor is used for driving the shield to move back and forth along the clamping mechanism, thereby enabling the shield to conveniently block or unblock the light-outlet groove; according to the present invention, the variation of the light amount and the light pattern of the automobile headlamp can be achieved through blocking or unblocking the light-outlet groove by the shield, and through changing the reflected light pass region of the reflector.

Abstract: A vehicle lamp includes a lamp body, a lamp, and a leveling actuator. And an aiming screw for aiming the lamp unit in an upper and lower direction is supported to the lamp body to be rotatable about an axis extending in a front and rear direction of the vehicle lamp. And an aiming nut to be threadably engaged with the aiming screw is mounted to the aiming screw. And the leveling actuator includes an actuator body fixed and supported to the lamp unit and an output shaft member supported to the actuator body to be moveable in the front and rear direction of the vehicle lamp with protruding upward or downward from the actuator body. And a leading end portion of the output shaft member and the aiming nut are coupled at a position distant in a right and left direction from a vertical surface including the axis.

Abstract: The invention relates to a vehicle headlamp (501), comprising a light source unit (502), a controllable reflector (590), an optically transparent cover (504), an optical absorber device (505), an optical shielding element (506), and a projection optics (507). The light source unit (502) is designed to emit light and to illuminate in a first direction of propagation (510), in the optical path of which the controllable reflector (590) is arranged, and the controllable reflector (590, 690, 70) at least partially reflects the light in a second direction of propagation (520), in the optical path of which the projection optics (507) is arranged and is oriented in a direction in front of the vehicle, in order to form a light pattern in front of the vehicle.

Abstract: A headlamp assembly, an optical system and a method for generating a hybrid luminous intensity are provided. The headlamp includes a low beam assembly and a high beam assembly. The low beam assembly is configured to generate a low beam distribution. The low beam assembly includes a plurality of low beam modules including at least one high luminance source optically configured to emit a first luminous intensity distribution and at least one light source optically configured to emit a second luminous intensity distribution. The high beam assembly includes one or more high beam modules.

Abstract: A vehicle lamp includes a first reflector which reflects light emitted from a first light source to form a low-beam light distribution pattern, a second reflector which reflects light emitted from a second light source to form a high-beam additional light distribution pattern and includes a short distance reflecting surface provided at a closer position and a long distance reflecting surface provided at a farther position with respect to the second light source at a predetermined interval therebetween, a third light source which is arranged in front of the second reflector and turned on in a low-beam lighting mode, and a third reflector which is arranged in a gap between the short distance reflecting surface and the long distance reflecting surface and reflects light emitted from the third light source.

Abstract: A car light system and a motor vehicle include an illuminating lamp configured to emit illuminating ray; a projection lamp configured to project received information to be projected onto a projection medium; and a control module configured to provide the information to be projected and turn on and off the illuminating lamp and the projection lamp.

Abstract: A light amount control mechanism for a vehicle headlamp can maintain high positional precision of a movable shade in its rotation axis direction to suppress variation in light distribution while allowing stable rotation of the movable shade. The light amount control mechanism includes a movable shade configured to be rotatably supported by a housing and selectively pivots to a first position or a second position to switch a shielding amount of light emitted from a light source, and an actuator configured to drive the movable shade. The light amount control mechanism for a vehicle headlamp may further include a stopper configured to position and hold the movable shade at the first position and the second position, the stopper being constituted by a V-shaped convex portion formed on any one of the movable shade and the housing and a V-groove-shaped concave portion formed on the other thereof as a pair.

Abstract: A light module for a motor vehicle comprises at least one light source capable of emitting light rays, a support bearing the light source, optical deflection elements arranged so as to deflect the light rays emitted by the light source to form a light beam projected at the output of the light module, and guiding elements for guiding the optical deflection elements in rotation about an axis of rotation, in order to shift the projected light beam transversely. According to the invention, the rotation guiding elements comprise a first guiding element borne by the support and configured to cooperate with a second guiding element borne by the optical deflection elements.

Abstract: The present invention relates to a motor vehicle light device that includes an optical deflector, at least one bearing element, and a pinning element. The pinning element has a bracing element bearing a contact portion, the bracing element at least partially surrounding the optical deflector, the contact portion bearing against the optical deflector. The optical deflector, the bearing element and the pinning element are arranged so that the optical deflector is at least partially gripped between the bearing piece and the contact portion, so that, in a direction running from the bearing piece to the contact portion, the contact portion is rigid and the bracing element is elastically deformable.

Abstract: Provided is a vehicle headlight for forming a high-beam additional light distribution pattern overlaid on a high-beam light distribution pattern. The vehicle headlight is capable of making a driver feel the sense of turning-on of the headlight when the high-beam additional light distribution pattern is additionally formed. The vehicle lighting fixture can be configured to further form a turning-on perceptible light distribution pattern for causing a driver to feel a sense of turning-on together with the high-beam additional light distribution pattern.

Abstract: A lamp for a vehicle that includes: a light source unit that includes a first light source and a second light source; a reflection unit that includes a reflector configured to reflect light incident from one of the first light source or the second light source; a lens including: a first region to which light from the first light source is directed, a second region to which light from the second light source is directed, and a third region (i) that is different from the first region and the second region and (ii) to which light reflected by the reflector is directed; and a processor that is configured to control at least one of the first light source or the second light source to change a size or a center position of at least one of the first region, the second region, or the third region is disclosed.

Abstract: A lamp includes a light source, a projection lens in which light from the light source is incident on one surface and the light is emitted from the other surface, a lens holder to which the projection lens is fixed and which extends to a side opposite to the direction of the light emitted from the projection lens, and a base plate disposed on the side opposite to a side of the lens holder to which the projection lens is fixed and having an opening through which the light from the light source passes. The base plate has a light shielding portion which is provided between the projection lens and the lens holder and extends toward the projection lens, and the light shielding portion is formed by bending a portion of the base plate.

Abstract: A housing defines at least a part of a lamp chamber therein, and includes an opening; a light source disposed in the lamp chamber. An optical unit is disposed in the lamp chamber, and irradiates light emitted from the lamp source in a predetermined direction. A heat sink includes a first portion configured to support the light source in the lamp chamber, and a second portion exposed to an outside of the housing through the opening. An elastic member is disposed between the second portion and a periphery of the opening. A first screw member and a second screw member extend through the housing, and are manually rotated to displace both the heat sink and the optical unit with respect to the housing. An electric actuator is disposed in the lamp chamber, and displaces the optical unit with respect to the heat sink.

Abstract: A lamp for a vehicle may include: a plurality of heat dissipation units coupled to each other; a plurality of mounting units coupled to the respective heat dissipation units so as to be adjustable in height; a plurality of reflective units passing through the respective mounting units, and coupled to the respective heat dissipation units so as to be rotatable; a plurality of horizontal angle adjustment units passing through the respective mounting units and engaging with the respective reflective units; and a plurality of light sources provided in the respective heat dissipation units such that the light sources face the respective reflective units.

Abstract: A car LED light capable of changing color temperature includes a lamp holder. A front side of the lamp holder is provided with a concave trough and formed with an opening. The lamp holder is provided with an LED module in the concave trough. The LED module has a beam angle ?. A color temperature change unit is provided in front of the LED module and includes a drive member. The drive member is connected with a light filter and drives the light filter to move relative to the LED module. Through the drive member, the light filter is selectively to be in front of the beam angle ? for changing the color temperature of the light emitted from the LED module; or the light filter is selectively to be away from the range of the beam angle ? for keeping the original color temperature of the light.

Abstract: A head lamp in a vehicle may include a light source for emitting a light, a reflector for reflecting the light forward from the light source, a lens for transmitting the light being forwarded toward a front from the light source and the reflector, a holder having one end coupled to the lens and the other end coupled to the reflector to make the lens spaced at a predetermined distance from the reflector, and a movable shield disposed between the light source and the reflector and the lens for selectively shielding a portion of the light being forwarded toward the lens from the light source and the reflector, or not shielding the portion of the light being forwarded toward the lens from the light source and the reflector when being moved to create a space between the movable shield and a lower end of the holder to allow the light pass through.

Abstract: Provided is a vehicular headlamp including a lamp casing configured by a lamp housing having an opening at least at one side thereof and a cover that covers the opening of the lamp housing, and a lamp unit disposed within the lamp casing. The lamp unit includes: a light source unit having a light source; a movable shade configured to be rotatable and change the shielding quantity of light; a solenoid having an output shaft which moves in a left-and-right direction and configured to rotate the movable shade; a rotation shaft configured to function as a rotation fulcrum of the movable shade, the axial direction of the shaft corresponding to the left and right direction; and an orthogonal transformation mechanism configured to convert a movement action of the output shaft to a rotation movement of the movable shade.

Abstract: A lamp for a vehicle includes a light-emitting unit including a light source and a reflector, a shield unit to form a beam pattern by blocking at least some of the light generated by the light-emitting unit, and a lens unit disposed at the front of the shield unit. The shield unit includes a first shield, which forms a first region of the shield unit, and a second shield, which is driven to cover or uncover a second region of the shield unit. The lamp, with a simpler structure, can form various beam patterns while sufficiently securing a driver's field of view.

Abstract: A light source unit including: a first light source module; a heat sink including a light source arrangement portion on which the first light source module is arranged and a concave portion opened to surround the light source arrangement portion; and a reflector that includes a through-hole through which the light source arrangement portion is inserted and reflects light emitted from the first light source module. The reflector is arranged having at least a portion thereof located in the concave portion.

Abstract: A headlamp assembly includes a simplified adjusting mechanism for adjusting the aim of a headlamp. The mechanism includes a gear screw that is snap-fit into the headlamp housing, a grommet that is positioned around the gear screw and snap-fit into the headlamp reflector, and an O-ring to ensure a good seal.

Abstract: A head lamp for a vehicle is provided. In particular, the head lamp includes a first light source, a first reflector configured to reflect light generated from the first light source, a first optical shield disposed at a front side of the first light source and configured to block a portion of the light, a second optical shield disposed at the front side of the first light source and configured to block another portion of the light so as to form a first shaded line on a front light distribution pattern of the vehicle; and a first lens configured to emit the incident light toward the front side.

Abstract: A head light module includes: a lamp disposed to irradiate light; a shield disposed to be rotatable about a rotating pin so as to selectively block a light path of a portion of the light irradiated from the lamp; a plunger disposed to be moved in a longitudinal direction thereof in order to push or pull one side of the shield; a compressive roll pad disposed so that an outer circumferential surface thereof is in contact with the plunger, rotated in accordance with a forward and rearward movement of the plunger, and compressed by the plunger or returns back to an original shape thereof when the plunger is moved forward or rearward; and an actuator which moves the plunger forward or rearward so that the shield selectively blocks the light path of a portion of the light irradiated from the lamp.

Abstract: A lighting and/or signaling device and method comprising an opaque element that can move between at least two positions, one of the positions interposing the opaque element between the main light source and the optical focusing device, in which the opaque element is arranged so that when it is interposed between the main light source and the optical focusing device it prevents rays originating from outside the lighting and/or signaling device from being focused, especially in a line or spot, by the optical focusing device, in order to prevent degradation of the lighting and/or signaling device.

Abstract: The present invention provides: semiconductor-type light sources; a fixed reflector having reflection surfaces; movable reflectors having reflection surfaces; a solenoid; and a driving force transmission mechanism. The driving force transmission mechanism is made of: a rack that is elastically deformable; and pinions. A height H1 of a respective one of gear portions at each end part of the rack is greater in comparison with a height H2 of a respective one of gear portions at an intermediate part of the rack. As a result, the present invention is capable of maintaining a load between the rack and a respective one of the pinions at its required minimum level, and is capable of maintaining positional precision in stop location of the movable reflectors at high precision.

Abstract: Disclosed is a lamp unit including a plurality of light sources and a mechanism configured to adjust a reference position of an axis according to the light sources. A projection lens unit includes a first projection lens and a second projection lens. At least some of light emitted from a first light source passes through the first projection lens. At least some of light emitted from the second light source passes through the second projection lens. A first adjusting mechanism moves the first projection lens unit in parallel in left and right directions with respect to the first light source and the second light source. A second adjusting mechanism moves the projection lens unit in upward and downward directions which are orthogonal to the left and right directions, with respect to the first light source and the second light source.

Abstract: A vehicle and a method of controlling a dynamometer mode operation of a vehicle that includes requesting the dynamometer mode; monitoring for at least one non-dynamometer vehicle operating condition; if at least one of the non-dynamometer vehicle operating conditions is detected, prohibiting dynamometer mode; and if none of the non-dynamometer vehicle operating conditions is detected, operating the vehicle in dynamometer mode.

Abstract: A projector type vehicle headlamp includes a metal supporting member that has an upper surface to which a circuit board to which a light-emitting device is mounted is mounted; a projection lens; a reflector that reflects light of the light-emitting device toward the vicinity of a rearward focal point of the projection lens; a driving source provided in front of the metal supporting member; a movable shade configured to be arranged near the rearward focal point of the projection lens, or removed from near the rearward focal point, by the driving source; and a cooling fan that is provided below the metal supporting member, and that faces a lower surface of the metal supporting member.

Abstract: A vehicle headlamp includes a light source, a projection optical member, a light deflector, and a tube shaped housing. The projection optical member projects light, which is incident on the projection optical member, ahead. The light deflector includes a plurality of optical devices that are arrayed. The optical devices are individually switchable between a first state and a second state. In the first state, the optical devices reflect light emitted from the light source to a direction other than a direction towards the projection optical member. In the second state, the optical devices reflect the emitted light towards the projection optical member. The light deflector is disposed inside the housing. The projection optical member is disposed in an opening portion of the housing. A first portion, of the housing, intersecting a path of a light beam incident on the light deflector is transparent.

Abstract: An occupation space of a lamp including a mechanism for adjusting a reference position of an optical axis is reduced. The optical axis adjustment mechanism 17 adjusts a reference position of an optical axis of a projection lens through which at least some of the light emitted from the light source 21 passes. The optical axis adjustment mechanism 17 includes an actuator 71, an aiming screw 72 and a slider 73. The actuator 71 includes an electrically driven output shaft 71b which pivots the optical axis in a horizontal direction about a rotation axis B extending in a vertical direction. The slider 73 is disposed to be slidable along the rotation axis B. The aiming screw 72 slides the slider 73 according to its rotation so as to translate the optical axis in the vertical direction.

Abstract: A automotive headlamp apparatus is configured such that, when there is a forward vehicle positioned in a predetermined first area, a control unit controls a shading unit so as to generate a single additional light distribution pattern selected from multiple additional light distribution patterns such that exposure of the forward vehicle to illumination is shielded, and when there is a forward vehicle positioned in a predetermined second area, the control unit controls the shading unit so as to generate a single additional light distribution pattern selected from multiple additional light distribution patterns, and controls a driving unit so as to swivel the optical axis of a lamp unit, such that the forward vehicle is not exposed to illumination.

Abstract: A head light module includes: a lamp disposed to irradiate light; a shield disposed to be rotatable about a rotating pin so as to selectively block a light path of a portion of the light irradiated from the lamp; a plunger disposed to be moved in a longitudinal direction thereof in order to push or pull one side of the shield; a compressive roll pad disposed so that an outer circumferential surface thereof is in contact with the plunger, rotated in accordance with a forward and rearward movement of the plunger, and compressed by the plunger or returns back to an original shape thereof when the plunger is moved forward or rearward; and an actuator which moves the plunger forward or rearward so that the shield selectively blocks the light path of a portion of the light irradiated from the lamp.