CN209470142U - Lamps apparatus for vehicle - Google Patents
Lamps apparatus for vehicle Download PDFInfo
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- CN209470142U CN209470142U CN201821661620.XU CN201821661620U CN209470142U CN 209470142 U CN209470142 U CN 209470142U CN 201821661620 U CN201821661620 U CN 201821661620U CN 209470142 U CN209470142 U CN 209470142U
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Abstract
The utility model provides lamps apparatus for vehicle, can be improved the comfort of driver.Lamps apparatus for vehicle has: light source;Optical system scans the outgoing beam of the light source by repetition period movement;Control unit, control light source lighting extinguishing and forming defined light distribution patterns.Control unit by make one scanning during in a part time interval light source luminous intensity specified value below and in light distribution patterns, region corresponding with the time interval formation non-irradiated region.In the case where non-irradiated region is switched to irradiation area, non-irradiated region is gradually switched into irradiation area towards the other end from one end of the vehicle width direction in non-irradiated region.
Description
Technical field
The utility model relates to lamps apparatus for vehicle.
Background technique
Lamps apparatus for vehicle usually can switch between dipped beam and distance light.Dipped beam is illuminated nearby with defined luminous intensity,
Light distribution regulation is confirmed as not causing dazzle to opposite vehicle and leading vehicle, is mainly used for traveling the avenue the case where
Under.On the other hand, distance light illuminates wider range and the distant place in front with higher luminous intensity, is mainly used for running at high speed right
In the case where face vehicle and the few road of leading vehicle.Therefore, it although distance light is better than dipped beam in the visuality of driver, leads
Cause, which is led to the problem of, causes dazzle to the vehicle driver existing for vehicle front and pedestrian.
In recent years, a kind of ADB of motion (Adaptive Driving Beam, adaptive distance light system) technology, that is, be based on vehicle
State around dynamically, adaptively controls the light distribution patterns of distance light.ADB technology detects the first driving in the front of vehicle
, the presence or absence of opposite vehicle and pedestrian, make region corresponding with vehicle or pedestrian dim light etc., and reduce to vehicle or walking
Dazzle caused by person.
As the mode for realizing ADB function, motion has shading (shutter) formula of control actuator, rotating disc type, LED gusts
Column etc..Although light shading type and rotating disc type change in which can make the width continuity for extinguishing region (lightproof area), extinguish area
The quantity in domain is restricted to one.Although LED array formula, which can will extinguish region, is set as multiple, due to extinguishing the width in region
Degree is restricted to the irradiating width of LED chip, therefore is discreteness.
A kind of scan-type of the applicant's motion (referring to patent document 1) is as the ADB mode for being able to solve these problems point.
Scan-type is the reflecting element (blade) that light is incident on rotation, simultaneously with angle corresponding with the rotation position of reflecting element reflection incident light
Change light source igniting extinguishing or light quantity in vehicle front scanning reflection light, and by the rotation position according to reflecting element,
Vehicle front forms desired light distribution patterns.
Patent document 1:(Japan) special open 2016-088283 bulletin
Utility model content
Utility model technical problem to be solved
The utility model is made in view of correlation circumstance, and the exemplary first purpose of one embodiment is, is provided
A kind of lamps apparatus for vehicle for the comfort can be improved driver.
For solving the means of technical problem
The lamps apparatus for vehicle of one embodiment of the utility model is as follows: lamps apparatus for vehicle has: light source;Optical system,
The outgoing beam of scanning light source is moved by the repetition period;Control unit, control light source lighting extinguishing and formed as defined in
Light distribution patterns.Control unit passes through the luminous intensity specified value for making the time interval light source of a part in during a scanning
Below and in light distribution patterns, the formation non-irradiated region of region corresponding with the time interval, it is switched to by non-irradiated region
In the case where irradiation area, non-irradiated region is gradually switched to from one end of the vehicle width direction in non-irradiated region towards the other end
Irradiation area.
It should be noted that any combination of above constitutive requirements or constitutive requirements and statement by the utility model
It is resulting after phase double replacement between method, apparatus, system etc., as the embodiments of the present invention and effectively.
Utility model effect
According to the utility model, the comfort of driver can be improved.
Detailed description of the invention
Fig. 1 is the ideograph for indicating to have the structure of the vehicle lamp system of the relevant lamps apparatus for vehicle of embodiment.
Fig. 2 is the perspective view of the lamp unit of Fig. 1.
(a) of Fig. 3~(c) is the figure for illustrating the formation of light distribution patterns PTN.
(a), (b) of Fig. 4 is the figure for illustrating the formation in non-irradiated region (extinguishing region).
(a) of Fig. 5~(c) is the figure for being illustrated to the switching from non-irradiated region to irradiation area.
(a) of Fig. 6~(c) is the figure for being illustrated to the switching from non-irradiated region to irradiation area.
Description of symbols
18 lamps apparatus for vehicle, 20 lamps and lanterns control units, 24 lamp units, 28 light sources, 30 scanning optical systems, 36 motors, 38 are instead
Penetrate part, 200 irradiation areas, 202 non-irradiated regions, 100 vehicle lamp systems
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to the utility model based on suitable embodiment.To each phase shown in the drawings
Same or equivalent constitutive requirements, component, processing mark upper identical symbol, and suitably the repetitive description thereof will be omitted.In addition, embodiment party
Formula is not the restriction to utility model but example, and all features documented by embodiment and combinations thereof are not necessarily real
With the content of novel essence.
Fig. 1 is the mode for indicating to have the structure of the vehicle lamp system 100 of the relevant lamps apparatus for vehicle 18 of embodiment
Figure.Lamp system for vehicle 100 has: camera 10, vehicle speed sensor 12, vehicle control section 16, lamps apparatus for vehicle 18.
The image of the shooting vehicle front of camera 10.Vehicle speed sensor 12 detects speed by the rotation speed of detection wheel.
Vehicle control section 16 is uniformly controlled vehicle.The vehicle control section 16 of present embodiment is configured to execute ADB
(Adaptive Driving Beam, adaptive distance light system) control.ADB control is for example done from light switch (not shown)
It is performed in the case where the instruction for executing ADB control out.Vehicle control section 16 is based on camera 10 and/or vehicle speed sensor 12 detects
Information (driving information), generate the light distribution instruction for the light distribution patterns that instruction should be formed in vehicle front.For example, vehicle control section
16 are based on driving information, detect leading vehicle or opposite vehicle, pedestrian etc., and the region that generation will test them is set as non-
The light distribution of irradiation area instructs.The area that the light in the region not being irradiated by light or the low luminous intensity for not caused dazzle is irradiated
Domain is referred to as non-irradiated region.In addition, being given birth to if vehicle control section 16 can't detect leading vehicle or opposite vehicle, pedestrian etc.
At will test (change) is set less than their region instruct as the light distribution of irradiation area.
Lamps apparatus for vehicle 18 has: lamps and lanterns control unit 20, lighting circuit 22, lamp unit 24.Lamp unit 24 is configured to
It can irradiate containing at least part of region in high-beam region.Lamp unit 24 includes light source 28, scanning optical system 30, projected light
Be 32.Light source 28 includes at least one luminescence unit 34.Luminescence unit 34 includes LED (light emitting diode) or LD (semiconductor
Laser) etc. semiconductor light sources.
Scanning optical system 30 includes motor 36 and the reflecting element 38 as reflector.Motor 36 is, for example, brushless DC motor.
Reflecting element 38 is mounted on the rotor of motor 36, is rotated.Reflecting element 38 is horizontally swept by repeating rotary motion
Retouch the outgoing beam BM of light source 281.The outgoing beam for scanning optical system 30 is known as scanning light beam BMSCAN.Flickering in order to prevent,
The scan period of scanning optical system 30 is set in the range of 2~10msec.
The scanning light beam BM that projection optics system 32 scans scanned optical system 30SCANThe imagination being projected in front of lamps and lanterns
Vertical screen 1 and form light distribution patterns PTN.To at a time scanning light beam BMSCANThe region of irradiation is known as irradiation area 2.It is logical
2 transverse shifting of irradiation area is crossed on imaginary vertical screen 1, forms light distribution patterns PTN.
Projection optics system 32 can be constituted by reflection optical system, through optical system or their combination.It should be noted that
By the outgoing beam BM for being suitably designed light source 281Angle of flare, angle of emergence etc., can also omit projection optics system 32.
Lighting circuit 22 is configured to lighting and extinguishing for toggle lights 28.
Lamps and lanterns control unit 20 makes lamp unit 24 based on the light distribution instruction control lighting circuit 22 from vehicle control section 16
Light source 28 light extinguishing.For example, lamps and lanterns control unit 20 is synchronous with the scanning scanning motion of optical system 30 and can make irradiated region
The luminous intensity in domain 2 changes according to the time.For example, if make the brightness of light source 28 one scanning during in sometime area
Between for (for example, zero) below specified value, then can make region non-irradiated region (extinguishing area corresponding with the time interval
Domain).Conversely, by improve one scanning during in sometime section light source 28 brightness, can irradiate to optically focused with
The corresponding region of the time interval.The brightness of light source 28 can be controlled according to the amount of drive current supplied to luminescence unit 34,
It can also be controlled, can also be controlled by their combination according to the number for the luminescence unit lighted.
In addition, lamps and lanterns control unit 20 controls the revolving speed of motor 36 and then controls the revolving speed of reflecting element 38.Lamps and lanterns control unit 20
In order to which the flickering for the light beam for inhibiting lamp unit 24 to irradiate makes light in the stabilization of speed of motor 36 in the state of specified value
It lights in source 28.Specifically, if lamps and lanterns control unit 20 is receiving the irradiation instruction as 24 illumination beam of lamp unit
When, the stabilization of speed of motor 36 immediately lights light source 28, if connect in specified value, i.e. if revolving speed reaches specified value
The revolving speed of motor 36 does not stabilize in specified value when receiving irradiation instruction, i.e., if revolving speed is not up to specified value (for example, if turning
Speed be zero), then indication motor 36 drive and increase the revolving speed of motor 36, until motor 36 stabilization of speed specified value it
After light light source 28.
Then, the more specific configuration example of lamps apparatus for vehicle 18 is illustrated.Fig. 2 is the perspective view of lamp unit 24.
As described above, light source 28 includes multiple luminescence units 34.Multiple luminescence units 34 are connected to a little via connector 114
Brightening circuit 22 (not shown in Fig. 2).One luminescence unit 34 constitutes brightness and lights the minimum unit for extinguishing control.One hair
Light unit 34 can be a LED chip (LD chip), also may include the multiple LED chips connected and/or be connected in parallel
(LD chip).
In the present embodiment, reflecting element 38 has 2 pieces of blade 38a, and motor 36 rotates once, scanning light beam BMSCANQuilt
Scanning 2 times.Therefore, scan frequency is twice of the revolving speed of motor 36.It should be noted that the piece number of blade 38a is not made especially
It limits.
At a time t0The outgoing beam BM of light source 281Corresponding with the position of reflecting element 38 (rotation angle of rotor)
It is reflected under angle, reflected light, that is, scanning light beam BM at this timeSCANAn irradiation is formed on the imaginary vertical screen 1 of vehicle front
Region 2.In order to simplify to illustrate in Fig. 2, irradiation area 2 is indicated with rectangle, but irradiation area 2 is not limited to rectangle.
If in other moment t1The position of reflecting element 38 changes, then angle of reflection changes, and reflected light at this time is
Scanning light beam BMSCAN' form irradiation area 2 '.If at other other moment t2The position of reflecting element 38 changes, then angle of reflection
It changes, reflected light, that is, scanning light beam BM at this timeSCAN" form irradiation area 2 ".
By making to scan 30 high speed rotation of optical system, irradiation area 2 scans on imaginary vertical screen 1, thus before vehicle
It is rectangular at light distribution patterns PTN.
It is the composition of lamps apparatus for vehicle 18 above.Then the work of lamps apparatus for vehicle 18 is illustrated.(a) of Fig. 3~
It (c) is the figure for illustrating light distribution patterns PTN.
(a) of Fig. 3 indicates the layout of multiple luminescence units 34 of light source 28.In the present embodiment, light source 28, which has, matches
It is set to nine luminescence unit 34_1~34_9 of U-shaped.
(b) of Fig. 3 be indicate when reflecting element 38 is in defined position, the injection light of each luminescence unit 34 it is perpendicular in imagination
The figure of the irradiation spot formed on straight screen 1.
The irradiation spot that luminescence unit 34 is formed is known as optically focused spot Sc.SciIndicate a luminous list in i-th (1≤i≤9)
The optically focused spot that first 34_i is formed.Multiple optically focused spot Sc of (b) of Fig. 31~Sc9Set be equivalent to the irradiation area 2 of Fig. 2.
(c) expression of Fig. 3 is when rotating reflecting element 38, the region (referred to as scanning area) that each optically focused spot Sc passes through
SR。SRiIndicate i-th of optically focused spot SciBy region.Scanning area SR1~SR9Set be equivalent to pattern PTN.
(a), (b) of Fig. 4 is the figure for illustrating to be formed non-irradiated region (extinguishing region).(a) of Fig. 4 is for ease of seeing
It examines, by multiple scanning area SR1~SR9The figure arranged with being staggered.(b) of Fig. 4 be indicate multiple luminescence units 34 light extinguishing
The time diagram of state.In scanning area, the Range Representation irradiation area 200 of shade, undrawn shadow Range Representation non-irradiated are drawn
Region 202.Ts indicates the scan period.
SR1~SR9Indicate the position of the optically focused spot at a certain moment.Optically focused spot Sc be scanned from left to right in figure and
?.At a time t0, make optically focused spot SciLeft end LE be located at scanning area SRiLeft end.
Lamps and lanterns control unit 20 is in optically focused spot SciDuring by non-irradiated region 202, make and optically focused spot SciIt is corresponding
Luminescence unit 34 brightness be specified value below (for example, zero).Specifically, lamps and lanterns control unit 20 is in optically focused spot Sci's
T at the time of right end RE reaches non-irradiated region 202AMake the brightness specified value of luminescence unit 34 hereinafter, in optically focused spot Sci's
T at the time of left end LE reaches the right end in non-irradiated region 202BThe brightness of luminescence unit 34 is set to be higher than specified value.By the control,
It is capable of forming non-irradiated region 202.
Then, it is illustrated to from non-irradiated region 202 to the switching of irradiation area 200.
(a) of Fig. 5~(c) is for the figure that switching is illustrated from non-irradiated region 202 to irradiation area 200.?
It is indicated in (a) of Fig. 5~(c) by a non-irradiated region 202, in this embodiment for by two of non-irradiated region 202a, 202b
The case where non-irradiated region of a side in non-irradiated region, that is, non-irradiated region 202a is switched to irradiation area 200.Fig. 5's
(a) it indicates to indicate when beginning from non-irradiated region 202a to (b) of light distribution patterns PTN, Fig. 5 when the switching of irradiation area 200
It indicates from (c) of light distribution patterns from non-irradiated region 202a to the switching midway of irradiation area 200 PTN, Fig. 5 from non-irradiated region
Switching completion status from 202a to irradiation area 200 light distribution patterns PTN.
Lamps and lanterns control unit 20 is in the case where non-irradiated region 202 is switched to irradiation area 200, by non-irradiated region 202
Vehicle width direction both ends (right end and left end) in, from the central portion C (front of this vehicle) with light distribution patterns PTN close to one
The end that the end of side is directed away from side gradually switches to irradiation area 200.Specifically, lamps and lanterns control unit 20 is every passes through one
Non-irradiated region 202 is gradually reduced in secondary scanning, i.e., every gradually to postpone to make shine corresponding with optically focused spot Sc by single pass
The t at the time of brightness of unit 34 is specified value or lessAAnd being gradually shortened becomes specified value period below.
No matter size, that is, vehicle width direction width in non-irradiated region 202, lamps and lanterns control unit 20 is in constant switching time
It is lower that non-irradiated region 202 is all switched to irradiation area 200.The switching time is set as the model of such as 100~1000msec
It encloses.
In addition, lamps and lanterns control unit 20 (is hereinafter referred to as switched with the speed that non-irradiated region 202 is switched to irradiation area 200
Speed) in its switching not changed mode on the way, in other words, with every non-irradiated region 202 to become smaller by single pass
Size in switching, non-irradiated region 202 is switched to irradiation area 200 by not changed mode on the way.In this case, if
The angular range in non-irradiated region 202 is set as θB, the scan period is set as Ts, switching time is set as Tc, then non-irradiated region 202
It is switched to irradiation area 200 in (Tc/Ts) secondary scanning, single pass averagely makes non-irradiated region become smaller θB×(Ts/Tc)
(being switched to irradiation area 200).
In addition, (a) of Fig. 6~(c) is also for saying to from non-irradiated region 202 to the switching of irradiation area 200
Bright figure.Indicate to be by multiple non-irradiated regions 202, in this embodiment non-irradiated region 202a in (a)~(c) of Fig. 6,
The case where three non-irradiated regions of 202b, 202c are actually switched to irradiation area 200 simultaneously.(a) of Fig. 6~(c) is respectively
It is corresponding with (a) of Fig. 5~(c).
Even if lamps and lanterns control unit 20 also makes it in the case where multiple non-irradiated regions 202 are switched to irradiation area 200
It is identical as the case where a non-irradiated region 202 is switched to irradiation area 200 and each non-irradiated region 202 is switched to irradiation
Region 200.Specifically, lamps and lanterns control unit 20 can by each non-irradiated region 202 from the both ends of vehicle width direction, with light distribution figure
The end that the end of central portion C close to the side of case PTN is directed away from side is gradually switched to irradiation area 200.Fig. 6's
(a) in example, non-irradiated region 202a, 202b are right ends close to central portion C, therefore gradually cut from right end towards left end
It is changed to irradiation area 200.In addition, no matter size, that is, vehicle width direction width in non-irradiated region 202, lamps and lanterns control unit 20 is in perseverance
Each non-irradiated region 202 is all switched to irradiation area 200 under fixed switching time.Thus, for example even if each non-irradiated area
Domain 202 it is of different sizes, irradiation area 200 can be also switched under identical switching time.
The lamps apparatus for vehicle 18 of present embodiment from the description above is switched to irradiated region in non-irradiated region 202
In the case where domain 200, non-irradiated region 202 is from the both ends of the vehicle width direction in its non-irradiated region 202 with light distribution patterns PTN's
The end that the end of central portion C close to side is directed away from side is gradually switched to irradiation area 200.As a result, because first driving a vehicle
Turn left or turn right and disappear from the front of this vehicle, or disappears in front of this vehicle because opposite vehicle is staggered with this vehicle
Lose, in the case where making non-irradiated region 202 be switched to irradiation area 200, due to non-irradiated region 202 towards leading vehicle or
The direction that opposite vehicle disappears is switched to irradiation area 200, such as switches with non-irradiated region 202 towards direction in contrast to this
At vehicle width direction the case where irradiation area 200 or from non-irradiated region 202 center from both ends to non-irradiated region 202
The case where switching to irradiation area 200 is compared, and the incongruity caused by driver is able to suppress, and can be improved the peace of driver
Quan Xing, comfort.
In addition, lamps apparatus for vehicle 18 according to the present embodiment, no matter the size in non-irradiated region 202, cut in constant
It changes non-irradiated region 202 under the time and is all switched to irradiation area 200.Herein, if being changed according to the size in non-irradiated region 202
Become switching time, vehicle control section 16 cannot judge whether complete from non-irradiated region 202 to the switching of irradiation area 200, no
Next instruction can be made.In this regard, lamps apparatus for vehicle 18 according to the present embodiment, due to the incision during constant switching
It changes, therefore such problems will not be generated.
In addition, lamps apparatus for vehicle 18 according to the present embodiment, non-irradiated region 202 are switched to cutting for irradiation area 200
Change the range that the time is set as 100~1000msec.If switching time in the range, is able to suppress vehicle front brightness
Change dramatically can be improved safety, the comfort of driver.
More than, the structure of the relevant lamps apparatus for vehicle of embodiment is illustrated with work.By those skilled in the art
Member understands: the embodiment is example, can form various variations by the combination of their each constitutive requirements,
In addition such variation also belongs to the scope of the utility model.
(first variation)
In the present embodiment, to lamps and lanterns control unit 20 the case where non-irradiated region 202 is switched to irradiation area 200
Under, by non-irradiated region 202 from the both ends of its vehicle width direction with the central portion C of light distribution patterns PTN close to the end court of side
The case where gradually switching to irradiation area 200 to the end far from side is illustrated, and but not limited thereto.It can be, lamp
Has control unit 20 in the case where non-irradiated region 202 is switched to irradiation area 200, by non-irradiated region 202 from its vehicle width
End in the both ends in direction with the side farther out the central portion C of light distribution patterns PTN is gradually switched to towards the end of nearlyr side
Irradiation area 200.That is, lamps and lanterns control unit 20 is in the case where being switched to irradiation area 200 for non-irradiated region 202, Cong Feizhao
It is gradually cut towards the other end, i.e. from left to right or from right to left by non-irradiated region 202 one end for the vehicle width direction for penetrating region 202
Change irradiation area 200 into.In this case, under various situations, the safety, comfortable of driver can be improved
Property.
(the second variation)
In embodiments, although to switch speed in the way switched from non-irradiated region 202 to irradiation area 200 not
The case where variation, is illustrated, however, not limited to this, its switch speed is cut from non-irradiated region 202 to irradiation area 200
It can also change in the way changed.
For example, light distribution patterns PTN's contained in non-irradiated region 202 shown in the non-irradiated region 202b of (a) such as Fig. 6
In the case where central portion C, the speed i.e. First Speed for being switched to irradiation area 200 to central portion C switches later with to central portion C
It can be different for speed, that is, second speed of irradiation area 200.As an example, it can be, First Speed compares second speed
Greatly.I.e., it is possible to be that non-irradiated region 202 is switched to irradiation area 200 with bigger speed to central portion C, central portion is arrived
Non-irradiated region 202 is switched to by irradiation area 200 with smaller speed after C.On the other hand, in the non-of such as (a) of Fig. 6
It, can also in the case where non-irradiated region 202 does not include the central portion C of light distribution patterns PTN shown in irradiation area 202a, 202c
So as to not change in the way that its switch speed switches from non-irradiated region 202 to irradiation area 200.According to this modification,
Since the region i.e. central portion C of the light distribution patterns PTN i.e. road centre of most desired observation in driving can be radiated at earlier,
Therefore safety, the comfort of driver be can be improved.
Claims (7)
1. a kind of lamps apparatus for vehicle, which is characterized in that have:
Light source;
Optical system scans the outgoing beam of the light source by repetition period movement;
Control unit controls the lighting extinguishing of the light source and forms defined light distribution patterns;
Non-irradiated is formed in the light distribution patterns, with the corresponding region of the time interval of a part in during a scanning
Region, in the time interval, the luminous intensity of the light source be specified value hereinafter,
In the case where non-irradiated region is switched to irradiation area, non-irradiated region is from one end of the vehicle width direction in non-irradiated region
Irradiation area is gradually switched to towards the other end.
2. lamps apparatus for vehicle as described in claim 1, which is characterized in that
In the case where non-irradiated region is switched to irradiation area, non-irradiated region is from the both ends of the vehicle width direction in non-irradiated region
In, with the end of central portion close to the side of the light distribution patterns gradually switch to irradiation area towards remote end.
3. lamps apparatus for vehicle as claimed in claim 1 or 2, which is characterized in that
No matter the size in non-irradiated region, non-irradiated region all switches to irradiation area within a certain period of time.
4. lamps apparatus for vehicle as claimed in claim 3, which is characterized in that
The certain time is 100~1000mesec.
5. lamps apparatus for vehicle as claimed in claim 1 or 2, which is characterized in that
In the case where the non-irradiated region includes the central portion of the light distribution patterns,
To before central portion and to after central portion, non-irradiated region switches to irradiation area at different rates.
6. lamps apparatus for vehicle as claimed in claim 5, which is characterized in that
The speed i.e. First Speed ratio that irradiation area is switched to before to the central portion is switched to irradiated region to central portion later
Speed, that is, the second speed in domain is big.
7. lamps apparatus for vehicle as claimed in claim 1 or 2, which is characterized in that
The period of the periodic motion of the optical system within the scope of 2~10msec,
The period of every periodic motion by the optical system, non-irradiated area reduction.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109668116A (en) * | 2017-10-13 | 2019-04-23 | 株式会社小糸制作所 | Lamps apparatus for vehicle |
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2018
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109668116A (en) * | 2017-10-13 | 2019-04-23 | 株式会社小糸制作所 | Lamps apparatus for vehicle |
CN113048445A (en) * | 2017-10-13 | 2021-06-29 | 株式会社小糸制作所 | Vehicle lamp |
CN113048445B (en) * | 2017-10-13 | 2023-12-01 | 株式会社小糸制作所 | Lamp for vehicle |
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