CN106764810A - A kind of transparent light guide body and its application with interception - Google Patents
A kind of transparent light guide body and its application with interception Download PDFInfo
- Publication number
- CN106764810A CN106764810A CN201710022825.7A CN201710022825A CN106764810A CN 106764810 A CN106764810 A CN 106764810A CN 201710022825 A CN201710022825 A CN 201710022825A CN 106764810 A CN106764810 A CN 106764810A
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- China
- Prior art keywords
- guide body
- light guide
- reflecting surface
- light
- transparent light
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A kind of transparent light guide body and its vehicle light illumination system for having interception,Transparent light guide body (5) is provided with mechanism of diaphragm (5a),Including the plane of incidence (5b),Exit facet (5c) and on,Lower reflecting surface (5d,5e),An incident ray part is irradiated to the reflecting surface (2a) of speculum (2) and arc reflected directly into lens (4),Form a part for illumination light shape,Incident ray another part is irradiated to the plane of incidence (5b) of transparent light guide body (5) and is refracted to inside optical conductor,Pass through lens (4) by exit facet (5c) refraction again by the plane of incidence (5b),Form a part for illumination light shape,Incident ray another part is refracted to upper reflecting surface (5d) by the plane of incidence (5b),After reflection exit facet (5c),Also by projecting road surface after lens,Form a part for illumination light shape.The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and be reflected to upper reflecting surface (5d) back reflection to the another part that illumination light shape is also formed after lens (4).According to the present invention, light and shade is formed instead of the shadow shield of prior art by line by with the transparent light guide body for changing light path effect, improve the overall light efficiency of projection-type illuminator.
Description
Technical field
The present invention relates to a kind of car light projection-type illuminator, specifically, being related to a kind of with the transparent of interception
Optical conductor and its car light projection-type illuminator, the transparent light guide body and its car light projection-type illuminator are by one kind
Light and shade is formed by line instead of the shadow shield of prior art with the transparent light guide body for changing light path effect, while passing through 3 kinds
Approach, will originally be blocked the light re-using that plate blocked or be reflected as veiling glare, participate in illumination, improve projection
The overall light efficiency of formula illuminator.
Background technology
The projection-type illuminator commonly used in automobile lamp, typically all includes light source as shown in Figure 11, speculum 2, shading
Plate 3 and lens 4 are constituted, and the shadow shield 3 is provided with mechanism of diaphragm 3a.The speculum is elliposoidal, the light source it is luminous
It is centrally disposed at the perifocus of ellipsoidal shaped mirror, the light that light source sends is ellipse by being converged at after ellipsoidal shaped mirror reflection
Near the over focus of spherical mirror, the shadow shield is arranged at the over focus of ellipsoidal shaped mirror, finally by lens shaped
Into with light and shade by line class parallel light light shape.
As shown in Figure 2,3, must forming the light shape such as dim head lights, fog lamp by being blocked for the mechanism of diaphragm 3a
The light and shade for needing is by line, and the shape of the mechanism of diaphragm 3a is relative by linear shape from the light and shade needed for corresponding different illumination functions
Should, such as Figure 10 illustrates that the light and shade of dipped beam light shape by line A, and the light and shade of fog lamp is horizontal line by line, such as the B institutes of Figure 11
Show.
The mechanism of diaphragm 3a being provided with by shadow shield 3 that traditional projection-type illuminator is used formed light and shade by
There are following several shortcomings in the way of line:
1st, the light that a part is blocked by mechanism of diaphragm 3a cannot be recycled, and only some light F1 is used for road photograph
It is bright, cause light loss of energy.
2nd, the light blocked by mechanism of diaphragm 3a a, part is blocked plate 3 and absorbs, and a part is reflected, and this part is anti-
The light F2 for penetrating exists and road surface is irradiated to after being reflected by lamp interior other parts due to uncontrolled, forms the wind of veiling glare
Danger.
3rd, also had by the light that mechanism of diaphragm 3a reflects and be irradiated to other functions region, such as steering indicating light or position lamp functional areas
Domain, causes the defect of light leak between function.
4th, because the angle of light source irradiation is typically no less than 180 degree, a part of light is made due to irradiating less than speculum
Into optical energy loss.
The content of the invention
To solve the above problems, the present invention provides a kind of car light projection-type illuminator, specifically, being related to one kind to have
The transparent light guide body of interception, the light path system that the transparent light guide body is formed, its car light with projection-type illuminator and its
Car headlamp.
Transparent light guide body technique scheme of the present invention with interception is as follows:
A kind of transparent light guide body with interception, is arranged between light source 1 and lens 4, it is characterised in that
The transparent light guide body 5 is provided with the diaphragm knot for forming light and shade by line in the emergent light side of its close lens 4
Structure 5a,
The transparent light guide body 5 is that section is in stepped upper and lower two rectangular block shape,
The transparent light guide body 5 is formed with plane of incidence 5b, exit facet 5c and upper and lower reflecting surface 5d, 5e,
An incident ray part is irradiated to the reflecting surface 2a of speculum 2 and arc reflected directly into lens 4, forms illumination light shape
A part of G1 of G.
According to a kind of transparent light guide body with interception of the present invention, it is characterised in that
The transparent light guide body forms following light path system:
Incident ray another part is irradiated to the plane of incidence 5b of transparent light guide body 5 and is refracted to inside optical conductor 5, then reflects
Exit facet 5c is reflexed to or by upper reflecting surface 5d, lens 4 are refracted to by exit facet 5c, by projecting road after lens 4
Face, forms another part G2 (Fig. 7) of illumination light shape, turns into miscellaneous by the light that lens (4) are not refracted to after exit facet (5c)
A part of H1 of astigmatism.
The another partial illumination of incident ray to speculum 2 reflecting surface 2a and be refracted to down after being reflected to upper reflecting surface 5d
Reflecting surface 5e, also forms the another part G3 (Fig. 8) of illumination light shape after being refracted to lens 4 again through lower reflecting surface 5e.
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and to be reflected to upper reflecting surface (5d) anti-afterwards
It is mapped to after lens (4) and also forms the another part G4 (Fig. 9) of illumination light shape.
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and be reflected to upper reflecting surface (5d) and roll over afterwards
It is mapped to transparent light guide body (5) internal, forms light path and change, the light after light path changes is totally reflected through exit facet 5c, or through lower anti-
A part of H2 of veiling glare is formed after the face 5e of penetrating first lower refractions, light and shade is formed by line.
A part of H2 of veiling glare is formed after lower reflecting surface 5e first lower refraction, road lighting is not involved in.
According to a kind of transparent light guide body with interception of the present invention, it is characterised in that
Reflecting surface 5d and lower reflecting surface 5e are respectively plane on the transparent light guide body 5.
According to a kind of transparent light guide body with interception of the present invention, it is characterised in that
Reflecting surface (5d) is high and low two in step type on the transparent light guide body (5), and height two is with skewed transition.
According to a kind of transparent light guide body with interception of the present invention, it is characterised in that
The transparent light guide body 5 is 1 to 3mm in the difference in height of stepped height two.
Preferably, the transparent light guide body 5 is 1.2 to 1.5mm in the difference in height of stepped height two.
According to a kind of transparent light guide body with interception of the present invention, it is characterised in that
The plane of incidence 5a of the transparent light guide body 5 and exit facet 5c is outer convex.
According to a kind of transparent light guide body with interception of the present invention, it is characterised in that
The plane of incidence part that the portion stepped high of the transparent light guide body 5 is higher by lower curtate is skewed.
According to a kind of transparent light guide body with interception of the present invention, it is characterised in that
By the light inside reflecting surface 5d incidence transparent light guides body 5 because light path changes, light and shade is formed by line, wherein
A part is refracted to the light of exit facet 5c, produces total reflection, is finally irradiated to transparent light guide body lower section.
According to a kind of transparent light guide body with interception of the present invention, it is characterised in that
The mechanism of diaphragm 5a is arranged at transparent light guide body emergent light side.
According to a kind of transparent light guide body with interception of the present invention, it is characterised in that
The light source 1 is semiconductor luminous chip.
According to a kind of transparent light guide body with interception of the present invention, it is characterised in that
Transparent light guide body 5 is that glass material fires roller-compaction or uses transparent plastic injection moulding.
The present invention provides a kind of car light projection-type illuminator again, it is characterised in that
Use a kind of transparent light guide body with interception.
The present invention provides a kind of headlamp again, it is characterised in that use described car light projection-type illuminator.
The beneficial effect that the present invention reaches:There is the transparent light guide body for changing light path effect to replace existing skill by a kind of car
The shadow shield of art forms light and shade by line, while by 3 kinds of approach, is blocked original plate and blocks or be reflected as veiling glare
Light re-use get up, participate in illumination, improve the overall light efficiency of projection-type illuminator.Approach 1:Part irradiation is not
Light to reflecting surface is irradiated to the plane of incidence of transparent light guide body 5, is reflected by exit facet 5c after being propagated in transparent light guide body
To lens 4, and participate in road lighting.Approach 2:A part reflexes to the upper anti-of transparent light guide body 5 by the reflecting surface 2a of speculum 2
Face 5d is penetrated, and lens 4 are reflexed to by reflecting surface 5d, and participate in road lighting.Approach 3:A part of reflecting surface 2a by speculum 2
The upper reflecting surface 5d of transparent light guide body 5 is reflexed to, and is refracted to inside transparent light guide body 5 by reflecting surface 5d, and by lower anti-
The face 5e of penetrating is refracted to lens 4, and participates in road lighting.By above-mentioned approach, increased light efficiency another advantage is that subtracting
Uncontrolled veiling glare is lacked.
Brief description of the drawings
Fig. 1 is the projection-type illuminator schematic diagram commonly used in automobile lamp.
Fig. 2,3 are respectively by necessary to the blocking and to form the light shape such as dim head lights, fog lamp of the mechanism of diaphragm 3a
Light and shade is by line schematic diagram.
Fig. 4 is a kind of assembling schematic diagram of car light projection-type illuminator of the invention.
Fig. 5 is light refraction, the projection schematic diagram of optical conductor of the invention and illuminator.
Fig. 6 is light refraction, the projection schematic diagram of optical conductor of the invention and illuminator.
Fig. 7 is light refraction, the projection schematic diagram of optical conductor of the invention and illuminator.
Fig. 8 is light refraction, the projection schematic diagram of optical conductor of the invention and illuminator.
Fig. 9 is light refraction, the projection schematic diagram of optical conductor of the invention and illuminator.
Figure 10 is the light and shade of dipped beam light shape by line A schematic diagrames.
Figure 11 for fog lamp light and shade by line be horizontal schematic diagram.
In figure, 1 is light source, and 2 is speculum, and 2a is the reflecting surface 2a of speculum 2, and 3 is shadow shield, and 3a is mechanism of diaphragm, 4
It is lens, 5 is transparent light guide body, and 5a is mechanism of diaphragm, and 5b is the plane of incidence, and 5c is exit facet, and 5d, 5e is respectively transparent light guide body
Upper and lower reflecting surface.A is the light and shade of dipped beam light shape by line, and B is the light and shade of fog lamp by line.F1 is illuminated for existing projection-type
The illuminating ray of system, F2 is veiling glare.G is the illuminating ray of illuminator of the invention, according to its source be divided into G1, G2,
G3, G4, H are the veiling glare of illuminator of the invention, and H1, H2 are divided into according to its source.
Specific embodiment
Embodiment
Such as Fig. 4, shown in 5, illuminator of the invention includes light source 1, speculum 2, transparent light guide body 5 and lens 4.Institute
State transparent light guide body 5 and be provided with mechanism of diaphragm 5a for forming light and shade by line.The transparent light guide body 5 is additionally provided with the plane of incidence
5b, exit facet 5c and upper and lower reflecting surface 5d, 5e.The preferred semiconductor luminescence chip of the light source 1, the light one that light source 1 sends
Partial illumination to speculum 2 reflecting surface 2a and reflected, one part reflexes to lens 4, and a part reflexes to reflecting surface
5d, as shown in Figure 5.A part is irradiated to the plane of incidence 5b of transparent light guide body 5 and is refracted to inside optical conductor 5.
A part of light inside optical conductor 5 is refracted to be reflected by plane of incidence 5b or reflexed to out by upper reflecting surface 5d
Face 5c is penetrated, and lens 4 are refracted to by exit facet 5c, by projecting road surface after lens 4, form a part for illumination light shape
(Fig. 7).
The another partial illumination of incident ray to speculum 2 reflecting surface 2a and be refracted to down after being reflected to upper reflecting surface 5d
Reflecting surface 5e, also forms the another part (Fig. 8) of illumination light shape after being refracted to lens 4 again through lower reflecting surface 5e, as shown in figure 9,
By projecting road surface after lens 4, a part for illumination light shape is formed.
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and to be reflected to upper reflecting surface (5d) anti-afterwards
It is mapped to after lens (4) and also forms the another part G4 (Fig. 9) of illumination light shape.
It is the weight to form light and shade by line by the light inside reflecting surface 5d to transparent light guide body 5 because light path changes
Want principle, a portion to be refracted to the light of exit facet 5c, because incidence angle is more than the angle of total reflection, produce total reflection, such as Fig. 8
It is shown, transparent light guide body lower section is finally irradiated to, form veiling glare H2, it is impossible to reach lens 4, so as to be not involved in road lighting,
It is uncontrollable light.
A part is refracted to the light of lower reflecting surface 5e and also forms illumination light shape after lower reflecting surface 5e is refracted to lens 4
A part, but after upper and lower reflecting surface 5d, 5e are reflected twice, because light path changes, equally form light and shade by line
Important principle.
According to the present invention, the transparent light guide body and its car light projection-type illuminator by a kind of car there is shading to make
With transparent light guide body replace the shadow shield of prior art to form light and shade by line, while by 3 kinds of approach, will be hidden originally
The light that tabula rasa blocked or be reflected as veiling glare is re-used, and participates in illumination, improves the total of projection-type illuminator
Body light efficiency.
Claims (10)
1. a kind of transparent light guide body with interception, is arranged between light source (1) and lens (4), it is characterised in that
The transparent light guide body (5) is provided with the diaphragm knot for forming light and shade by line in the emergent light side of its close lens (4)
Structure (5a),
The transparent light guide body (5) is that section is in stepped high and low two rectangular block shape,
The transparent light guide body (5) is formed with the plane of incidence (5b), exit facet (5c) and upper and lower reflecting surface (5d), (5e),
An incident ray part is irradiated to the reflecting surface (2a) of speculum (2) and arc reflected directly into lens (4), forms illumination light
A part (G1) for shape.
2. as claimed in claim 1 a kind of transparent light guide body with interception, it is characterised in that
The transparent light guide body forms following light path:
Incident ray another part is irradiated to the plane of incidence (5b) of transparent light guide body (5) and is refracted to optical conductor (5) inside, then rolls over
Penetrate or reflex to exit facet (5c) by upper reflecting surface 5d, lens (4) are refracted to by exit facet (5c), after lens (4)
Project road surface, form another part (G2) of illumination light shape, by be not refracted to after exit facet (5c) light of lens (4) into
It is a part (H1) for veiling glare,
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and be refracted to after being reflected to upper reflecting surface (5d)
Lower reflecting surface (5e), also forms the another part (G3) of illumination light shape after being refracted to lens (4) again through lower reflecting surface (5e),
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and be reflected to upper reflecting surface (5d) back reflection and arrive
Also the another part (G4) of illumination light shape is formed after lens (4),
The another partial illumination of incident ray to speculum (2) reflecting surface (2a) and be refracted to after being reflected to upper reflecting surface (5d)
Transparent light guide body (5) is internal, forms light path and changes, and the light after light path changes is totally reflected through exit facet 5c, or through lower reflecting surface
The another part (H2) of veiling glare is formed after (5e) first lower refraction, light and shade is formed by line.
3. as claimed in claim 1 a kind of transparent light guide body with interception, it is characterised in that
Reflecting surface (5d) and lower reflecting surface (5e) are respectively plane on the transparent light guide body (5).
4. a kind of transparent light guide body with interception as described in claim 1 or 3, it is characterised in that
Reflecting surface (5d) is high and low two in step type on the transparent light guide body (5), and height two is with skewed transition.
5. as claimed in claim 4 a kind of transparent light guide body with interception, it is characterised in that
The transparent light guide body (5) is 1 to 3mm in the difference in height of stepped height two.
6. as claimed in claim 1 a kind of transparent light guide body with interception, it is characterised in that
Transparent light guide body (5) plane of incidence 5a and exit facet (5c) are outer convex.
7. as claimed in claim 1 a kind of transparent light guide body with interception, it is characterised in that
The plane of incidence part that the portion stepped high of the transparent light guide body (5) is higher by lower curtate is skewed.
8. as claimed in claim 1 a kind of transparent light guide body with interception, it is characterised in that
By the internal light of reflecting surface (5d) incidence transparent light guide body (5) because light path changes, light and shade is formed by line, wherein
A part is refracted to the light of exit facet (5c), produces total reflection, is finally irradiated to transparent light guide body lower section.
9. a kind of car light projection-type illuminator, including light source (1), the speculum (2) for being arranged at light source (1) side and set
It is placed in the lens (4) of emergent light side, it is characterised in that a kind of with interception described in usage right requirement any one of 1-8
Transparent light guide body.
10. a kind of headlamp, it is characterised in that the car light projection-type illuminator described in usage right requirement 8.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN201710022825.7A CN106764810B (en) | 2017-01-12 | 2017-01-12 | Transparent optical conductor with shading effect and application thereof |
PCT/CN2017/083411 WO2018129841A1 (en) | 2017-01-12 | 2017-05-08 | Transparent photoconductor having light shielding function, and application thereof |
US16/476,315 US11408577B2 (en) | 2017-01-12 | 2017-05-08 | Transparent photoconductor having light shielding function, and application thereof |
DE112017006796.0T DE112017006796B4 (en) | 2017-01-12 | 2017-05-08 | TRANSPARENT PHOTOCONDUCTOR WITH LIGHT SHIELDING FUNCTION AND APPLICATION THEREOF |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710022825.7A CN106764810B (en) | 2017-01-12 | 2017-01-12 | Transparent optical conductor with shading effect and application thereof |
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CN106764810A true CN106764810A (en) | 2017-05-31 |
CN106764810B CN106764810B (en) | 2022-11-29 |
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CN109611781A (en) * | 2019-01-31 | 2019-04-12 | 成都恒坤光电科技有限公司 | A kind of car light lower beam illumination Optical devices and vehicle front lighting lamp assembly |
CN109973931A (en) * | 2019-05-08 | 2019-07-05 | 成都恒坤光电科技有限公司 | A kind of car light lower beam illumination dichroic reflection device, Optical devices and vehicle front lighting lamp assembly |
CN109990247A (en) * | 2019-05-08 | 2019-07-09 | 成都恒坤光电科技有限公司 | A kind of distance-light consubstantiality formula vehicle front lighting lamp assembly |
CN110307518A (en) * | 2018-03-27 | 2019-10-08 | 黑拉有限责任两合公司 | Lighting device for vehicle |
CN112912667A (en) * | 2018-10-25 | 2021-06-04 | Zkw集团有限责任公司 | Lighting unit for a motor vehicle headlight |
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