CN101629701B - Shading plate used for realizing specific light form - Google Patents
Shading plate used for realizing specific light form Download PDFInfo
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- CN101629701B CN101629701B CN2008100436481A CN200810043648A CN101629701B CN 101629701 B CN101629701 B CN 101629701B CN 2008100436481 A CN2008100436481 A CN 2008100436481A CN 200810043648 A CN200810043648 A CN 200810043648A CN 101629701 B CN101629701 B CN 101629701B
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Abstract
The invention discloses a shading plate used for realizing a specific light form, which is used in a projection unit of an automobile headlight, is placed between a light source (6) and a convex lens (9), and comprises a shading plate body part (A) and a supporting part (B). The shading plate body part has a plate shape bent towards the direction of the convex lens (9), and the upper part of the shading plate body part is roughly flush with a notching plane. The shading plate is characterized in that a notching area (1) is formed at the shading plate body part; raised structures (2, 3a, 3b, 3c or 3d) used for reflecting light rays are formed at the notching area (1); and an euphotic through hole (4) is formed under the back of the notch at the shading plate body part. The shading plate of the invention has good functions of forming cut-off lines and assisting for realizing partial illumination requirements in a dark area and a bright area in the light form, and improves the running safety of an automobile.
Description
Technical field
The present invention relates to a kind of shadow shield, more specifically, the present invention relates to a kind of shadow shield that is used to realize specific light form, described shadow shield is used to form the "cut-off"line and the auxiliary thin portion structure that realizes that the partial illumination in light shape dark space and the clear zone requires of car headlamp light shape, and described shadow shield is applicable to based on halogen bulb, discharge bulb and light emitting diode to be the projecting unit of light source.
Background technology
The a large amount of uses on car headlamp and the development of car headlamp lighting criteria along with gas-discharge lamp and LED source, the illumination rules are had higher requirement to the light shape of car headlamp.The design content of the required consideration of automobile lamp manufacturing industry becomes more, difficulty has also become greatly, wherein, when discharge headlamp rules are provided with the upper limit to some field of illumination brightness, light shape to car headlamp claims again, requires must possess certain illumination in the dark space of car headlamp light shape.Requirement must possess certain illumination in the dark space of car headlamp light shape be to see guideboard above the road clearly for the ease of the driver, requires to have the upper limit in the car headlamp field of illumination simultaneously, then is in order to prevent that the driver who causes the track, opposite from dazzling the eyes.
Yet above-mentioned requirements has bigger difficulty in design, and is careless slightly, will violate relevant laws and regulations and cause product can not or postpone listing, particularly at American market, can cause product recall when serious.
For addressing the above problem, many ways are at present, wide-bore on shadow shield, or on convex lens the frosted hacking, to make light spuious to the dark space.But difficult control on these technologies makes that the illumination in the dark space is dark partially or bright partially.And for the illuminance of controlling the gas-discharge lamp clear zone, then many is to adopt in some position of speculum to do a little decorative patterns in small, broken bits, allows light dissipate.Such way no doubt plays certain effect, but this method also allows luminous flux run off too much simultaneously easily, and is uneconomical.
Summary of the invention
For addressing the above problem, the objective of the invention is, a kind of shadow shield that is used to realize specific light form is provided, described shadow shield is used to form the "cut-off"line in the car headlamp light shape, and the auxiliary thin portion structure that realizes that the partial illumination in the dark space and clear zone requires in the car headlamp light shape, described shadow shield is applicable to based on halogen bulb, discharge bulb and light emitting diode to be the projecting unit of light source.
For achieving the above object, the technical scheme of the shadow shield that is used to realize specific light form of the present utility model is as follows.
A kind of shadow shield that is used to realize specific light form, described used in sunshade board is in the projecting unit of car headlamp, place between light source and the convex lens, described shadow shield is one to become the tabular of roughly concordant otch plane towards the bending of convex lens direction, top, it is characterized in that, described shadow shield body is formed with cutout regions, and described cutout regions place is formed with the raised structures that is used for reflection ray, and described shadow shield incision lower rear is formed with through hole.
Thus, as Fig. 1, shown in 3,4, projecting unit integral body is used to produce the clear zone that comprises shown in Figure 4, the light shape of dark space.
Shown in Figure 3 is the typical structure of a projecting unit, comprises light source, speculum, shadow shield and convex lens.Projecting unit integral body is used to produce shown in Figure 4 comprise clear zone 10a, the light shape of dark space 10b.
The effect of shadow shield mainly is "cut-off"line and the auxiliary partial illumination requirement that realizes light shape dark space and clear zone that is used for producing laws and regulations requirement.
As shown in Figure 1, otch 1a on the shadow shield and 1b are used to realize basic "cut-off" line 11a and 11b, raised structures 2 is used for the light that reflectogram 3 speculums 7 are reflected back, enter convex lens 9, through superrefraction, project the area just above 14 of dead line flex point 11c in the light shape, making has certain illuminance in this zone. Raised structures 3a and 3b are used for the light that reflex reflector 7 is reflected back, enter convex lens 9,, project respectively and press close to horizontal dead line 11a among the light shape dark space 10B through superrefraction, regional 13a and the 13b of 11b make these two in the zone of horizontal dead line certain illuminance to be arranged.Raised structures 3c is used for the light that blocking reflected mirror 7 is reflected back, and makes sub-fraction light can't enter convex lens 9, thereby makes the illuminance in the appropriate area 15 of pressing close to horizontal dead line 11a among the 10a of clear zone weaken to some extent.
Structure 4 is through through holes, is arranged on suitable position, otch 1a and 1b below, and the light on the specific direction that is used for reflecting back by speculum 7 makes among the 10b of dark space away among the respective regions 12a of dead line and the 12b certain illuminance being arranged.
According to the shadow shield that is used to realize specific light form of the present utility model, it is characterized in that, be formed with covering structure at the through hole place at the described shadow shield body cutout regions back side that is formed with through hole.
Thus, this structure is a case structure that is used to cover the hole, is used for the light on the specific direction on the blocking reflected mirror, makes that the light that passes the hole can not be too strong, in order to avoid the illuminance among regional 12a and the 12b surpasses limit value.
According to the shadow shield that is used to realize specific light form of the present invention, it is characterized in that, raised structures is to be formed on shadow shield otch flat shape below 0 to 3mm, plate-like towards convex lens direction place, its upper surface and horizontal plane are angled, described angle is becoming 0 to spend between 30 degree with horizontal plane, this surface is the light face that is used for reflection ray.
The side view of raised structures 2 is seen accompanying drawing, if angle changes, lines is arranged above, and the variation of 2 roughness, and 2 angle changes the angle and the strong and weak variation of the light that all can cause reflection.Thus, can be to regulating by the reflection ray of raised structures.
According to the shadow shield that is used to realize specific light form of the present invention, it is characterized in that, raised structures 3a is formed on place, shadow shield otch flat shape below, its upper surface can have a small drop with the otch plane or flush but can not be higher than the otch plane, its upper surface and horizontal plane are angled, described angle is used for reflection ray become 0 to spend between 30 degree with horizontal plane.When drop was arranged, its drop was under the otch plane between 0 to 3mm.This surface can be the light face, also can tape shape lines.
According to the shadow shield that is used to realize specific light form of the present invention, it is characterized in that, raised structures 3b in the place ahead of shadow shield otch flat shape towards convex lens (9) direction place, its upper surface can have a small drop with the otch plane or flush but can not be higher than the otch plane, its upper surface and horizontal plane are angled, described angle is used for reflection ray become 0 to spend between 30 degree with horizontal plane.When drop was arranged, its drop was under the otch plane between 0 to 3mm.
According to the shadow shield that is used to realize specific light form of the present invention, it is characterized in that, raised structures 3c is in the position of shadow shield otch flat shape 1a towards the convex lens direction, its upper surface can have a small drop with the otch plane or flush, and has a certain degree with horizontal plane, and the direction of angle is opposite with 3a and 3b, be used for reflection ray, described angle is becoming 0 to spend between 30 degree with horizontal plane, when drop was arranged, its drop was under the otch plane between 0 to 3mm.
According to the shadow shield that is used to realize specific light form of the present invention, it is characterized in that raised structures 3d is in the shadow shield otch flat shape 1a position of convex lens direction dorsad, its upper surface that is used for reflection ray is higher than otch plane 0.2 ~ 1mm, is used to shut out the light.Perhaps, raised structures 3d and horizontal plane have a certain degree, and are used for reflection ray, and described angle is becoming 0 to spend between 30 degree with horizontal plane.
Thus, the bevel angle of raised structures 3c is opposite with 3a/3b, and described bevel angle is becoming 0 to spend between 30 degree with horizontal plane, or 3d is set in the shadow shield otch flat shape 1a position of convex lens direction dorsad, make light reflected away from "cut-off"line, avoid the dark space illuminance overproof.3c and 3d do not occur simultaneously.
According to the shadow shield that is used to realize specific light form of the present invention, it is characterized in that described shadow shield comprises shadow shield body and support portion.
According to the shadow shield that is used to realize specific light form of the present invention, it is characterized in that described shadow shield body and support section are body formed.
According to the shadow shield that is used to realize specific light form of the present invention, it is characterized in that described cutout regions 1 comprises otch flat shape 1a and the 1b with drop.This drop is in order to realize national standard to the requirement of car headlamp light shape and be provided with, in the scope of 0.4-10mm.
According to shadow shield of the present utility model, have good formation "cut-off"line and auxiliary realize in the light shape function of part lighting requirement in the dark space and clear zone, simplified greatly and be used to realize the needed a large amount of design works of these functions in the past, easy for installation, be easy to control quality stability when making in enormous quantities.Shadow shield of the present utility model is applicable to based on halogen bulb, discharge bulb and light emitting diode to be the projecting unit of light source.
The simple declaration of accompanying drawing
Fig. 1 is for showing the schematic perspective view that is used to realize shadow shield one side of specific light form of the present utility model.
Fig. 2 is for showing the schematic perspective view that is used to realize the shadow shield dorsal part of specific light form of the present utility model.
Figure 3 shows that the scheme of installation of shadow shield of the present utility model in projecting unit typical structure lamp body.
Figure 4 shows that shadow shield of the present utility model shown in Figure 1 is installed on the light shape schematic diagram that comprises clear zone 10a and dark space 10b that Fig. 3 projecting unit is produced.
Figure 5 shows that raised structures 2 reflection ray schematic diagrames.
Figure 6 shows that raised structures 3a and 3b reflection ray schematic diagram.
Figure 7 shows that raised structures 3c reflection ray schematic diagram.
Among the figure, A is a shadow shield, and 1 is the shadow shield cutout regions, otch 1a on the shadow shield and 1b are used to realize basic "cut-off" line 11a and 11b, 2 is raised structures, raised structures 3a and 3b, and 3c or 3d are used for the light that reflex reflector 7 is reflected back, 4 for being formed at the through hole at the shadow shield incision back side, 5 is the covering member of through hole 4, and 6 is light source, and 7 is speculum, 8 is shadow shield, and 9 is convex lens.10a is the clear zone, 10b is the dark space, 11a, b are "cut-off"line, and 11c is a dead line flex point in the light shape, 14 is the area just above 14 of 11c, the area just above 14 of dead line flex point 11c in the light shape is pressed close to horizontal dead line 11a, and regional 13a and the 13b of 11b are respectively 3a, 3b projects the zone among the light shape dark space 10b, and 12a and 12b are respectively among the 10b of dark space the respective regions away from dead line.
The specific embodiment
Below, with reference to accompanying drawing, lift specific embodiment, the shadow shield that is used to realize specific light form of the present utility model is described.
See Fig. 1 and Fig. 2,3.A kind of shadow shield that is used to realize specific light form, described used in sunshade board is in the projecting unit of car headlamp, place between light source and the convex lens, speculum 7 focus annexes, described shadow shield is one to become the tabular of roughly concordant otch plane towards the bending of convex lens direction, top.Described shadow shield incision is formed with raised structures 2,3a, and 3b, 3c, described shadow shield incision lower rear 2-6mm place is formed with through hole 4.
Thus, as shown in Figure 4, projecting unit integral body is used to produce shown in Figure 4 comprise clear zone 10a, the light shape of dark space 10b.
Shown in Figure 3 is the typical structure of a projecting unit, comprises light source 6, speculum 7, shadow shield 8 and convex lens 9.Projecting unit integral body is used to produce shown in Figure 4 comprise clear zone 10a, the light shape of dark space 10b.
The effect of shadow shield 8 mainly is to be used for producing "cut-off"line 11 that statutory standard requires and the partial illumination requirement of auxiliary light shape dark space 10b of realization and clear zone B.
As shown in Figure 1, otch 1a on the shadow shield and 1b are used to realize basic "cut-off" line 11a and 11b, raised structures 2 is one tabular, reflecting surface and horizontal plane angle angle are spent between 20 degree 15, be used for the light that reflectogram 3 speculums 7 are reflected back, enter convex lens 9, through superrefraction, project the area just above 14 of dead line flex point 11c in the light shape, making has certain illuminance in this zone.
As Fig. 6, shown in 7, raised structures 3a and 3b are used for the light that reflex reflector 7 is reflected back, reflecting surface and horizontal plane angle angle are spent between 20 degree 15, enter convex lens 9,, project respectively and press close to horizontal dead line 11a among the light shape dark space 10b through superrefraction, regional 13a and the 13b of 11b make these two in the zone of horizontal dead line certain illuminance to be arranged.Raised structures 3c is used for the light that blocking reflected mirror 7 is reflected back, reflecting surface and horizontal plane angle angle are spent between 25 degree 15, make sub-fraction light can't enter convex lens 9, thereby make the illuminance in the appropriate area 15 of pressing close to horizontal dead line 11a among the 10a of clear zone weaken to some extent.
Structure 4 is through through holes, is arranged on suitable position, otch 1a and 1b below, and the light on the specific direction that is used for reflecting back by speculum 7 makes among the 10b of dark space away among the respective regions 12a of dead line and the 12b certain illuminance being arranged.
As shown in Figure 5, in the present embodiment, raised structures 2 is formed on shadow shield kerf 1a, and 1b below 0 is to the 3mm place, and its upper surface and horizontal plane are angled, are used for reflection ray, and this surface is the light face.Thus, can be to regulating by the reflection ray of raised structures 2.
As Fig. 5, shown in 6,7, in the present embodiment, raised structures 3a, 3b, 3c are plate-like, are arranged on the place, the place ahead of shadow shield otch flat shape 1a, its upper surface can and the otch plane have between the small drop 0 to 3mm, and have a certain degree with horizontal plane, be used for reflection ray.Thus, can be to by raised structures 3a, 3b, the light of 3c reflex reflector 9 is regulated.Tabula rasa body A and support portion B are integrally formed, support portion B by bolting on lamp body.
In the present embodiment, comprise otch flat shape 1a and 1b with drop except described cutout regions 1, this drop is at 0.4-2mm, raised structures 2 is formed on shadow shield otch flat shape 1a, 0.4-2mm place, 1b below is towards convex lens, outside its upper surface tape shape lines, other make shadow shield of the present invention as embodiment 1.
Thus, can be to regulating by the reflection ray of raised structures 2.
Embodiment 3
In the present embodiment, except described cutout regions 1 comprises otch flat shape 1a and the 1b with drop, this drop is in the scope of 2-4mm. Raised structures 3a, 3b is the 2-3mm place below shadow shield otch flat shape 1a, towards convex lens, and have a certain degree with horizontal plane, raised structures 3c and raised structures 3a, the horizontal plane angle direction of 3b is opposite, reflecting surface and horizontal plane angle angle are spent between 30 degree 25, be used for outside the reflection ray, other make shadow shield of the present invention as embodiment 1.
Embodiment 4
As Fig. 1,6, shown in 7, in the present embodiment, except described cutout regions 1 comprises otch flat shape 1a and the 1b with drop, this drop is formed with outside the covering structure 5 at through hole 4 places, the back side, place, described shadow shield otch plane that are formed with through hole 4 in the scope of 5-8mm, other make shadow shield of the present invention as embodiment 1.
Thus, structure 5 is case structures that are used to cover hole 4, is used for the light on the specific direction on the blocking reflected mirror, makes that the light that passes hole 4 can not be too strong, in order to avoid the illuminance among regional 12a and the 12b surpasses limit value.
As Fig. 1,6, shown in 7, in the present embodiment, except after tabula rasa body A and support portion B split form, bolt connects, on lamp body, described cutout regions 1 comprises otch flat shape 1a and the 1b with drop to support portion B by bolting, and this drop is at 0.4-4mm, raised structures 3a, towards convex lens, its upper surface flushes with the otch plane below shadow shield kerf 1a for 3b, 3c, reflecting surface and horizontal plane angle angle are spent between 15 degree 8, raised structures 3c reflecting surface and horizontal plane angle angle are spent to 15 degree 8, and with raised structures 3a, outside the 3b reflection direction is opposite, other make shadow shield of the present invention as embodiment 1.
As Fig. 1, shown in 2,6, in the present embodiment, comprise otch flat shape 1a and 1b except described cutout regions 1 with drop.This drop is in the scope of 2-4mm.Raised structures 3a, towards convex lens, its upper surface flushes with the otch plane 3b, and has a certain degree with horizontal plane, is used for reflection ray below shadow shield otch flat shape 1a, and reflecting surface and horizontal plane angle angle are spent between 20 degree 15.Raised structures 3d is at shadow shield otch flat shape 1a convex lens place dorsad, and have a certain degree with horizontal plane, reflecting surface and horizontal plane angle angle are spent between 25 degree 15, are used for outside the reflection ray, other make shadow shield of the present invention as embodiment 1.
Embodiment 7
As shown in Figure 2, in the present embodiment, except the dorsad convex lens place of raised structures 3d at shadow shield otch flat shape 1a, its upper surface flushes with the otch plane, and parallel with horizontal plane, is used for outside the reflection ray, other make shadow shield of the present invention as embodiment 1.
As shown in Figure 2, in the present embodiment, except the dorsad convex lens place of raised structures 3d at shadow shield otch flat shape 1a, its upper surface that is used for reflection ray is higher than otch plane 0.2 ~ 1mm, outside being used to shut out the light, other make shadow shield of the present invention as embodiment 1.
Embodiment 9
As shown in Figure 2, in the present embodiment, except the dorsad convex lens place of raised structures 3d at shadow shield otch flat shape 1a, its last reflecting surface and horizontal plane angle angle that is used for reflection ray is spent between 20 degree 15, be used to block, outside the reflection ray, other make shadow shield of the present invention as embodiment 1.
According to the shadow shield that is used to realize specific light form of the present invention, have good formation "cut-off"line and auxiliary realize in the light shape function of part lighting requirement in the dark space and clear zone, simplified greatly and be used to realize the needed a large amount of design works of these functions in the past, easy for installation, be easy to control quality stability when making in enormous quantities.Shadow shield of the present invention is applicable to based on halogen bulb, discharge bulb and light emitting diode to be the projecting unit of light source.
Claims (10)
1. shadow shield that is used to realize specific light form, described used in sunshade board is in the projecting unit of car headlamp, place between light source (6) and the convex lens (9), comprise shadow shield body (A) and support portion (B), described shadow shield body is one towards convex lens (9) direction bending, top becomes the tabular of concordant otch roughly, it is characterized in that, described shadow shield body is formed with cutout regions (1), described cutout regions (1) locates to be formed with the raised structures (2 that is used for reflection ray, 3a, 3b, 3c or 3d), described shadow shield body cutout regions place lower rear is formed with through hole (4).
2. the shadow shield that is used to realize specific light form as claimed in claim 1 is characterized in that, locates to be formed with covering structure (5) at described shadow shield body (A) cutout regions (1) back side through hole (4) that is formed with through hole (4).
3. the shadow shield that is used to realize specific light form as claimed in claim 1, it is characterized in that, raised structures (2) is for being formed on shadow shield otch flat shape (1a, 1b) below 0 to 3mm, plate-like towards convex lens (9) direction place, its upper surface and horizontal plane are angled, described angle is becoming 0 to spend between 30 degree with horizontal plane, this surface is the light face that is used for reflection ray.
4. the shadow shield that is used to realize specific light form as claimed in claim 1, it is characterized in that, raised structures (2) is for being formed on shadow shield otch flat shape (1a, 1b) below 0 to 3mm, plate-like towards convex lens (9) direction place, its upper surface and horizontal plane are angled, and this surface is the tape shape textured surface that is used for reflection ray.
5. the shadow shield that is used to realize specific light form as claimed in claim 1, it is characterized in that, raised structures (3a, 3b) be respectively formed at shadow shield kerf (1a) towards convex lens (9) direction place, there is a small drop on its upper surface and otch plane that is used for reflection ray, its drop and has a certain degree with horizontal plane under otch between 0 to 3mm.
6. the shadow shield that is used to realize specific light form as claimed in claim 1, it is characterized in that, raised structures (3c) is in the position of shadow shield otch flat shape (1a) towards convex lens (9) direction, its upper surface that is used for reflection ray can have a small drop with otch or flush, and have a certain degree with horizontal plane, the direction of angle is opposite with raised structures (3a) and raised structures (3b), described angle is becoming 0 to spend between 30 degree with horizontal plane, when drop was arranged, its drop was under otch between 0 to 3mm.
7. the shadow shield that is used to realize specific light form as claimed in claim 1, it is characterized in that, raised structures (3d) is in shadow shield otch flat shape (1a) position of convex lens (9) direction dorsad, and its upper surface that is used for reflection ray is higher than otch plane 0.2 ~ 1mm, is used to shut out the light.
8. the shadow shield that is used to realize specific light form as claimed in claim 2 is characterized in that, covering structure (5) is a box-structure.
9. the shadow shield that is used to realize specific light form as claimed in claim 1 is characterized in that, described shadow shield body (A) and support portion (B) divide body formed.
10. the shadow shield that is used to realize specific light form as claimed in claim 1 is characterized in that, described cutout regions (1) comprises otch flat shape (1a) with drop and (1b), and this drop is in the scope of 0.4-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100436481A CN101629701B (en) | 2008-07-18 | 2008-07-18 | Shading plate used for realizing specific light form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100436481A CN101629701B (en) | 2008-07-18 | 2008-07-18 | Shading plate used for realizing specific light form |
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| Publication Number | Publication Date |
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| CN101629701A CN101629701A (en) | 2010-01-20 |
| CN101629701B true CN101629701B (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100436481A Active CN101629701B (en) | 2008-07-18 | 2008-07-18 | Shading plate used for realizing specific light form |
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| CN (1) | CN101629701B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661579A (en) * | 2012-04-13 | 2012-09-12 | 上海小糸车灯有限公司 | Light baffle structure used for adjusting light type of headlight and method for adjusting light type of headlight |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2385298A1 (en) * | 2010-05-07 | 2011-11-09 | Hella KGaA Hueck & Co. | Projection module for vehicles |
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|---|---|---|---|---|
| CN2299768Y (en) * | 1997-05-23 | 1998-12-09 | 闪雪阳 | Lighting device with rear-view mirror |
| CN1237238A (en) * | 1997-09-05 | 1999-12-01 | 海尔拉Kg休克公司 | Headlight for vehicles |
| KR20010103424A (en) * | 2000-05-10 | 2001-11-23 | 이충곤 | Converting device for vim of car headlight |
| JP2007250327A (en) * | 2006-03-15 | 2007-09-27 | Stanley Electric Co Ltd | Drum type variable shading plate and headlight using the shading plate |
| CN201265802Y (en) * | 2008-07-18 | 2009-07-01 | 上海小糸车灯有限公司 | Shading plate for automobile headlight illumination |
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2008
- 2008-07-18 CN CN2008100436481A patent/CN101629701B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2299768Y (en) * | 1997-05-23 | 1998-12-09 | 闪雪阳 | Lighting device with rear-view mirror |
| CN1237238A (en) * | 1997-09-05 | 1999-12-01 | 海尔拉Kg休克公司 | Headlight for vehicles |
| KR20010103424A (en) * | 2000-05-10 | 2001-11-23 | 이충곤 | Converting device for vim of car headlight |
| JP2007250327A (en) * | 2006-03-15 | 2007-09-27 | Stanley Electric Co Ltd | Drum type variable shading plate and headlight using the shading plate |
| CN201265802Y (en) * | 2008-07-18 | 2009-07-01 | 上海小糸车灯有限公司 | Shading plate for automobile headlight illumination |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661579A (en) * | 2012-04-13 | 2012-09-12 | 上海小糸车灯有限公司 | Light baffle structure used for adjusting light type of headlight and method for adjusting light type of headlight |
| CN102661579B (en) * | 2012-04-13 | 2014-04-09 | 上海小糸车灯有限公司 | Light baffle structure used for adjusting light type of headlight and method for adjusting light type of headlight |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101629701A (en) | 2010-01-20 |
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Address after: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201800 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |