CN206419853U - A kind of automobile brake lamp lighting apparatus of uniformly light-emitting - Google Patents
A kind of automobile brake lamp lighting apparatus of uniformly light-emitting Download PDFInfo
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- CN206419853U CN206419853U CN201720061938.3U CN201720061938U CN206419853U CN 206419853 U CN206419853 U CN 206419853U CN 201720061938 U CN201720061938 U CN 201720061938U CN 206419853 U CN206419853 U CN 206419853U
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- interior lens
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- brake lamp
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Abstract
The utility model discloses a kind of automobile brake lamp lighting apparatus of uniformly light-emitting, including LED/light source and interior lens, the first surface of the interior lens is located at the light-receiving direction of the LED/light source, the first dermatoglyph process layer is provided with the first surface of the interior lens, the second dermatoglyph process layer is provided with the second surface of the interior lens, the second surface is located at the opposite face of the first surface, and the base material of the interior lens is PC materials or PMMA materials.The utility model sets dermatoglyph process layer by the interior lens surface in Brake lamp, generate dispersion effect well, can effectively weaken, eliminate after lighting in lens surface form bright, dark space so that uniform illumination is attractive in appearance, internal structure and light source selection are more changeable extensively.
Description
The application is Application No. 201620890506.9, the applying date to be August in 2016 16 days and invention and created name is
A kind of divisional application of the Chinese utility model patent application of the automobile brake lamp lighting apparatus of uniformly light-emitting.
Technical field：
The utility model is related to automobile lighting lamp field, more specifically, is related specifically to a kind of vapour of uniformly light-emitting
Car brakes lamp lighting apparatus.
Background technology：
The development of China Automobile Industry is to a new stage, with the popularization and the increase of consumer groups of automobile,
The requirement of each bound pair vehicle configuration is more and more harsher, especially on vehicle light shape, the design structure of the vehicle light shape of all styles of
Conclusive effect is played in influence to light shape, by taking Brake lamp as an example, due to the design feature of internal mirror, using common bright
The light fixture for the interior lens that red material makes can form speck or dark space in lighting.
At present, among research and development of the Ge Jia lamp for automobile manufacturing enterprise to automobile each illuminator are in weight, product is
Whether no excellent, outward appearance attractive in appearance, can farthest show that uniform lighting effect is while illumination, alarming effect is ensured
The Important Problems considered are needed during research and development.
In existing Design of Luminaires, the lens material in Brake lamp is generally transparent red PMMA (polymethyls
Sour methyl esters), the material is 82% to the light percent of pass of red light source, typically without dispersion effect.When light by shape not
It is relatively more mixed and disorderly (as shown in Figure 8) through the light trend after interior lens during the interior lens of rule, easily form speck or dark
Area, causes lighting effect uneven.
Brake lamp light-configuration mode under prior art mainly includes following several：
1. bulb+speculum.The advantage of such car light is bulb advantage of lower cost, cheap, can be full
The need for foot low grade car, but it is the disadvantage is that, bulb outward appearance is visible after lighting, influences light fixture appearance.
2.LED+ speculums.It is new technology widely used at present, the advantage is that and used LED, its space knot
Structure is compact, therefore is applicable the appearance and modeling with various complex characteristics.But its shortcoming is that subregion is presented uniformly in lighting effect, individually anti-
Penetrate between face and there is obvious dark space.
3.LED+ concentrators.Structure is more compact, but lighting effect is presented and also deposited between obvious graininess, adjacent LED
In obvious dark space.
In addition to above-mentioned three kinds of technologies, also there is the scheme of LED+ speculums+transparent interior lens, this succession at present
The compact conformation advantage of LED+ speculums, but the increase of transparent interior lens can not be obviously improved lighting effect.
And with the novelty of light fixture outward appearance, the lighting effect for Brake lamp is also paid attention to all the more.Face is passed through for large curved surface
Brake lamp, the lighting effect of continuous uniform can not be met using above several ways.
The content of the invention：
The purpose of this utility model is that there is provided a kind of automobile brake of uniformly light-emitting for deficiency of the prior art
Lamp lighting apparatus, sets dermatoglyph process layer by the interior lens surface in Brake lamp, generates dispersion effect well, can
Effectively solve surface illumination caused by changing because of external factor such as modeling structure, light sources irregular, the situation of the bright dark space of appearance.
The technical problem that the utility model is solved can be realized using following technical scheme：A kind of vapour of uniformly light-emitting
Car brakes lamp lighting apparatus, including LED/light source and interior lens, and the first surface of interior lens is located at the light-receiving of LED/light source
Direction, is provided with the first dermatoglyph process layer on the first surface of interior lens.
In one embodiment, speculum is located at the light injection direction of the LED/light source, after the reflection that light passes through speculum
First dermatoglyph process layer of lens in directive.
In one embodiment, the second surface of interior lens is provided with the second dermatoglyph process layer, and second surface is located at first
The opposite face on surface.
In one embodiment, in the circuit board, the side of wiring board passes sequentially through speculum and interior matched somebody with somebody LED/light source arrangement
The opposite side of wiring board is reached after light microscopic, a sealing surface is formed, LED/light source is in the sealing surface, and speculum is by two-part arc
Shape surface composition is formed.
In one embodiment, speculum is combined by several independent reflectings surface, several independent reflecting surface combinations
Undulate afterwards, interior lens is an arc-shaped curved surface, and the interface at interior lens two ends and speculum two ends leaves two
Opening, LED is arranged at any opening in two openings.
In one embodiment, LED/light source is multiple sets of light sources array, and interior lens is an arc-shaped curved surface.
In one embodiment, the base material of interior lens includes PC or PMMA materials.
In one embodiment, the base material of the interior lens is provided with scattered in PC materials or PMMA materials, the base material
Radion.
In one embodiment, the scattering particles includes DF22 and/or DF23 materials.
In one embodiment, scattering particles is white or red, the base material of interior lens for transparent PMMA materials or
Transparent PC materials.
In one embodiment, scattering particles is white or red, the base material of interior lens for red PMMA materials or
Red PC materials.
Compared with prior art, the beneficial effects of the utility model are as follows：
1. employ light distribution scheme of the present utility model, i.e., using the surface of interior lens provided with dermatoglyph process layer or/and
Scattering particles is provided with inside interior lens, the light of output can be made to obtain more equably scattering (as shown in Figure 9), can be had
Lens surface forms bright, dark space in after effect decrease, elimination lighting, so that uniform illumination is attractive in appearance, internal structure and light source
Selection is more changeable extensively；Also the selection space of light fixture its internal structure and light source in design can be greatly increased, so that for more
Outstanding Design of Luminaires provides good basis.
2. employing light distribution scheme of the present utility model, the material is on the basis of normal transparent or red PMMA materials
Scattering particles is mixed, compared to normal transparent or red PMMA material light, its percent of pass significantly reduces, gone out during to script lighting
Existing speck and dark space has more obvious reduction effect, and with certain dispersion effect, can change the propagation of light
Path.
3. employing light distribution scheme of the present utility model, plurality of LEDs is irradiated light by way of direct projection or reflection
The interior lens of dermatoglyph processing is carried out to surface, by the scattering process after dermatoglyph process layer, realizes that the uniform of Brake lamp is lighted
Effect, form is lighted there is provided effective solution especially for the continuous uniform of large curved surface.
Brief description of the drawings：
The above and other feature of the utility model, property and advantage are by by with reference to the accompanying drawings and examples
Describe and become apparent, identical reference represents identical feature all the time in the accompanying drawings, wherein：
Fig. 1-Fig. 4 discloses the Brake lamp light distribution scheme schematic diagram of four embodiments of prior art；
Fig. 5 discloses the reflective Brake lamp light distribution scheme schematic diagram according to the utility model first embodiment；
Fig. 6 discloses the reflective Brake lamp light distribution scheme schematic diagram according to the utility model second embodiment；
Fig. 7 discloses the direct-injection type Brake lamp light distribution scheme schematic diagram according to the utility model 3rd embodiment；
Fig. 8 discloses the opticpath schematic diagram of common lens in the prior art；
Fig. 9 discloses the opticpath schematic diagram of the lens in the utility model.
Embodiment：
To be easy to understand technological means, creation characteristic, reached purpose and effect of the utility model realization, below
With reference to embodiment, the utility model is expanded on further.
With reference to Fig. 1, Fig. 1 discloses the Brake lamp light distribution scheme schematic diagram of prior art first embodiment.1 point of common bulb
After lamp, a part of light that common bulb 1 is projected is transmitted after reaching lens by the reflex of speculum 2 from lens
Go, wherein speculum 2 is two pieces of both sides for being arranged on common bulb 1 and outward-dipping, speculum 2 and the formation of lens 3 one
Delta Region.The configuration of first embodiment is simple in the prior art, cheap, but bulb outward appearance is visible after lighting, speculum
Depth needs very deep.
With reference to Fig. 2, Fig. 2 discloses the Brake lamp light distribution scheme schematic diagram in the second embodiment of prior art.In Fig. 2
Light source is LED 11, and its LED 11 is located at the interface of two pieces of speculums 12, after LED lighting, and the light that LED is projected passes through
Transmitted away after reaching lens 13 after the reflection of two pieces of speculums.In the prior art size needed for the moulding of second embodiment compared with
Small, lighting works well (independent reflecting surface is uniform, and reflecting surface junction has dark space), but design cost is higher.
With reference to Fig. 3, Fig. 3 discloses the Brake lamp light distribution scheme schematic diagram in the 3rd embodiment of prior art.LED can
Think 1 group, or multigroup, in the 3rd embodiment of Fig. 3 prior art, LED 21 is 4 groups, in every group of LED 21
Direction of illumination provided with concentrator 22, its concentrator 22 is provided with arc convex, arc convex be located at LED just before
Side, and correspond.Arc convex plays optically focused effect, and concentrator 22 is located on lens 23, and LED 21 passes through concentrator 22
Optically focused after transmitted from lens 23.Size needed for the moulding of 3rd embodiment is small in the prior art, and depth is shallow, and cost is fitted
In, but lighting effect is that there is also obvious dark space between obvious graininess, adjacent LED.
With reference to Fig. 4, Fig. 4 discloses the Brake lamp light distribution scheme schematic diagram of the fourth embodiment of prior art.In Fig. 4
LED 31 is located at the interface of two pieces of speculums 32, after the lighting of LED 31, and the light that LED 31 is projected passes through two pieces of speculums 32
Reflection after reach transparent interior lens 33 after transmit away.In the prior art size needed for the moulding in fourth embodiment compared with
It is small, compact conformation, but the increase of transparent interior lens 33 can not be obviously improved lighting effect, and cost is high.
Four embodiments of the prior art that above-mentioned Fig. 1-Fig. 4 is enumerated can not realize the lighting effect of continuous uniform.
With reference to Fig. 5, Fig. 5 is disclosed to be illustrated according to the reflective Brake lamp light distribution scheme of the utility model first embodiment
Figure.Fig. 5 light distribution scheme is realized by using the mode of the lens of LED+speculum+belt leather lamina, can be obtained
The lighting effect of Brake lamp continuous uniform.In Figure 5, LED 41 can arrange above assist side 42 that light passes through speculum
Diffusion is produced after the 43 interior lens 44 of reflection and transmission with dispersed material, is transmitted finally by outer lens 45
Come, realize the effect of uniformly light-emitting.The plane of illumination of wherein interior lens 44 is provided with dermatoglyph process layer (Fig. 5 is not marked), in addition,
The base material of interior lens can be PMMA (polymethyl methacrylate) or PC (makrolon) material, and dispersed material can be
DF22 or DF23.It is understood that if dispersed material were configured in the base material of interior lens 44, base material and dispersed material
Can be multiple combinations configuration, such as the configuration of PMMA+DF22, PMMA+DF23 configuration, PC+DF22 configuration or PC+
DF23 configuration etc..
With continued reference to Fig. 5, LED 41 arranges in assist side 42 that the side of wiring board 42 passes sequentially through the He of speculum 43
The opposite side of the wiring board is reached after lens 44, a sealing surface is formed, LED 41 is in the sealing surface, the reflection
Mirror is combined by first paragraph arc-shaped curved surface 46 and second segment arc-shaped curved surface 47.
With reference to Fig. 6, Fig. 6 is disclosed to be illustrated according to the reflective Brake lamp light distribution scheme of the utility model second embodiment
Figure.LED 51 in Fig. 6 is located at the interface of speculum 52 and interior lens 53 here, and speculum 52 is by alphabetical a~h totally 8
Independent reflecting surface is combined, and undulate after 8 independent reflecting surface combinations, the light after being totally reflected by speculum 52 irradiates
On the interior lens 53 of the large curved surface with dermatoglyph process layer or/and with dispersed material, and in the table of interior lens 53 of large curved surface
The lighting effect of continuous uniform is presented in face, and last light is transmitted by outer lens 54.The base material of wherein interior lens can
To be PMMA or PC materials, dispersed material can be DF22 or/and DF23.It is understood that the base material of interior lens and
Dispersed material can be multiple combinations configuration, such as the configuration of PMMA+DF22, PMMA+DF23 configuration, PC+DF22 configuration
Either PC+DF23 configuration etc..
With reference to Fig. 7, Fig. 7 is disclosed to be illustrated according to the direct-injection type Brake lamp light distribution scheme of the utility model 3rd embodiment
Figure.It can be one or more groups of LED combinations, be combined into direct light source array, direct projection in the present embodiment for 4 groups of LEDs 61
Light configures scattering particles, or be provided with the irradiation surface of interior lens 62 by interior lens 62 in interior lens 62
Dermatoglyph process layer, so that interior lens 62 produces good diffusion, forms the lighting effect of continuous insulation.According to
The feature of lens large curved surface moulding, the arrangement of multigroup LED can be uniformly distributed according to the size of curved surface, wherein interior match somebody with somebody
The material of light microscopic can include dispersed material DF23, DF22 etc., or in the Surface Machining dermatoglyph process layer of interior lens.Or
Person is the combination of configuration dispersed material and the interior lens of setting surface dermatoglyph process layer in interior lens.
With reference to Fig. 8, Fig. 8 discloses the opticpath schematic diagram of common interior lens in the prior art.In fig. 8, light
Output and uneven, formation certain dark space and clear zone by light after common interior lens 71, it is impossible to produce uniform
Lighting effect.
With reference to Fig. 9, Fig. 9 discloses the opticpath schematic diagram of the interior lens in the utility model.In the utility model
Lens 81 in can the configuration by dispersed material in interior lens base material or the first surface in interior lens
82 set dermatoglyph process layer (not marked in Fig. 9), can also set dermatoglyph process layer (Fig. 9 in the second surface 83 of interior lens
In do not mark), dermatoglyph process layer can also be all set in the first surface 82 and second surface 83 in interior lens, or pass through
The surface of the configuration of dispersed material and interior lens sets the independent assortment form between dermatoglyph process layer in interior lens base material
To form the light distribution scheme of automobile brake lamp of the present utility model, by being formed after the interior lens described in the utility model Fig. 9
Light output it is uniform, generate uniform lighting effect.
Embodiment one：
With reference to Fig. 5：This light distribution scheme is by using LED+ speculums+interior lens with dermatoglyph process layer or with scattering grain
The mode of the interior lens of son is realized, has obtained the lighting effect of Brake lamp continuous uniform.LED can be arranged in the circuit board
Diffusion is produced after face, the interior lens of total reflection and transmission with dispersed material that light passes through speculum, is realized uniform
Luminous effect.The base material of wherein interior lens can be PMMA or PC materials, dispersed material can be DF22, DF23,
DF22 either DF23.If it is understood that it can be multiple combinations that dispersed material, which is configured in the base material of interior lens,
Configuration, such as the configuration of PMMA+DF22, PMMA+DF23 configuration, PC+DF22 configuration either PC+DF23 configuration etc..
In addition, the base material of interior lens in the present embodiment is transparent red PMMA, thickness is 3mm, followed by normal transparent
White or red scattering particles DF22 or DF23 are mixed with red PMMA material foundations, leads to its light to red light source
Crossing the lower half-value angle that rate is 16.88%, 3mm thickness is 20.7 degree (lower half-value angle has reacted the dispersion effect of material, and its numerical value is got over
Big dispersion effect is better), compared to normal transparent red PMMA base materials, the percent of pass of light significantly reduces, to script lighting
When the speck that occurs and dark space have obvious reduction effect, and with certain dispersion effect, the propagation of light can be changed
Path.
Embodiment two：
With reference to Fig. 6, the light-configuration mode in Fig. 6 be it is reflective, by such as a~h 8 independent reflectings surface combine it is anti-
Mirror is penetrated, the light of total reflection is radiated on the interior lens with dispersed material of large curved surface or is provided with the shadow surface of large curved surface
Dermatoglyph process layer, so can be presented the lighting effect of continuous uniform on the interior lens surface of large curved surface.Wherein interior lens
Base material is PMMA or PC materials, and dispersed material can be DF22, DF23, DF22 either DF23.If it is understood that
It can be multiple combinations configuration, such as the configuration of PMMA+DF22, PMMA+ that dispersed material, which is configured in the base material of interior lens,
DF23 configuration, PC+DF22 configuration either PC+DF23 configuration etc..It is understood that being used as other deformation sides
Case, can carry out single dermatoglyph processing, or interior lens and interior luminous intensity distribution with discrete material on the surface of interior lens
The assembled scheme of mirror surface dermatoglyph processing.
Embodiment three：
With reference to Fig. 7, the light-configuration mode in Fig. 7 is direct-injection type, in the present embodiment not speculum, multigroup LED light group
Direct light source array is synthesized, direct projection light is formed by the diffusion of the interior lens with scattering particles or with dermatoglyph processing
The lighting effect of continuous insulation.According to the feature of large curved surface moulding, the arrangement of plurality of LEDs can be carried out according to the size of curved surface
Uniform distribution.
Compared with prior art, the beneficial effects of the utility model are as follows：
1. employing light distribution scheme of the present utility model, i.e., interior lens is obtained using band dermatoglyph process layer or dissipated with novel belt
Radion can make the light of output obtain more equably scattering (as shown in Figure 9) as interior lens, can effectively weaken,
Eliminate lens surface in after lighting and form bright, dark space, so that uniform illumination is attractive in appearance, internal structure and light source selection are more
It is changeable extensively；Also the selection space of light fixture its internal structure and light source in design can be greatly increased, so as to be more excellent lamp
Tool design provides good basis.
2. employing light distribution scheme of the present utility model, the material is mixed on the basis of normal transparent red PMMA materials
Enter scattering particles, significantly reduce compared to normal transparent red PMMA material light percent of pass, occur during to script lighting
There is more obvious reduction effect speck and dark space, and with certain dispersion effect, can change the propagation path of light.
3. employing light distribution scheme of the present utility model, plurality of LEDs is irradiated light by way of direct projection or reflection
The interior lens of dermatoglyph processing is carried out to surface, by the scattering process of dermatoglyph, realizes that the uniform of Brake lamp lights effect, especially
It is to light form there is provided effective solution for the continuous uniform of large curved surface.
Above-described embodiment, which is available to, to be familiar with person in the art to realize or using of the present utility model, be familiar with ability
The personnel in domain can in the case where not departing from utility model thought of the present utility model, above-described embodiment is made various modifications or
Change, thus protection domain of the present utility model do not limit by above-described embodiment, and should meet claims to mention
Inventive features maximum magnitude.
Claims (10)
1. the automobile brake lamp lighting apparatus of a kind of uniformly light-emitting, it is characterised in that the lighting device includes LED/light source and interior
Lens, the first surface of the interior lens is located at the light-receiving direction of the LED/light source, the first of the interior lens
Surface is provided with the first dermatoglyph process layer.
2. automobile brake lamp lighting apparatus according to claim 1, it is characterised in that the lighting device also includes reflection
Mirror, the light that the speculum is located at the LED/light source projects direction, after the reflection that the light passes through the speculum described in directive
First dermatoglyph process layer of lens.
3. automobile brake lamp lighting apparatus according to claim 1, it is characterised in that in the second table of the interior lens
Face is provided with the second dermatoglyph process layer, and the second surface is located at the opposite face of the first surface.
4. automobile brake lamp lighting apparatus according to claim 2, it is characterised in that the LED/light source is arranged in circuit
On plate, the side of the wiring board reaches the another of the wiring board after passing sequentially through the speculum and the interior lens
Side, forms a sealing surface, the LED/light source is in the sealing surface, and the speculum is combined by two-part arc-shaped curved surface.
5. automobile brake lamp lighting apparatus according to claim 2, it is characterised in that the speculum is independent by several
Reflecting surface is combined, undulate after several described independent reflecting surface combinations, and the interior lens is an arc-shaped curved surface,
Interface at the interior lens two ends and the speculum two ends leaves two openings, and the LED is arranged on described two
At any opening in individual opening.
6. automobile brake lamp lighting apparatus according to claim 1, it is characterised in that the LED/light source is multiple sets of light sources
Array, the interior lens is an arc-shaped curved surface.
7. according to any described automobile brake lamp lighting apparatus in claim 1-6, it is characterised in that the interior lens
Base material is PC materials or PMMA materials.
8. the automobile brake lamp lighting apparatus according to claim 2,4,5 or 6, it is characterised in that the interior lens
Base material is that scattering particles is provided with PC materials or PMMA materials, the base material, and the scattering particles includes DF22 and/or DF23 materials
Material.
9. automobile brake lamp lighting apparatus according to claim 8, it is characterised in that the scattering particles is white or red
Color, the base material of the interior lens is transparent PMMA materials or transparent PC materials.
10. automobile brake lamp lighting apparatus according to claim 8, it is characterised in that the scattering particles for white or
Red, the base material of the interior lens is red PMMA materials or the PC materials of red.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720061938.3U CN206419853U (en) | 2016-08-16 | 2016-08-16 | A kind of automobile brake lamp lighting apparatus of uniformly light-emitting |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720061938.3U CN206419853U (en) | 2016-08-16 | 2016-08-16 | A kind of automobile brake lamp lighting apparatus of uniformly light-emitting |
| CN201620890506.9U CN205896943U (en) | 2016-08-16 | 2016-08-16 | Uniform lighting's car stop lamp lighting device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620890506.9U Division CN205896943U (en) | 2016-08-16 | 2016-08-16 | Uniform lighting's car stop lamp lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206419853U true CN206419853U (en) | 2017-08-18 |
Family
ID=57779413
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620890506.9U Active CN205896943U (en) | 2016-08-16 | 2016-08-16 | Uniform lighting's car stop lamp lighting device |
| CN201720061938.3U Active CN206419853U (en) | 2016-08-16 | 2016-08-16 | A kind of automobile brake lamp lighting apparatus of uniformly light-emitting |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620890506.9U Active CN205896943U (en) | 2016-08-16 | 2016-08-16 | Uniform lighting's car stop lamp lighting device |
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| Country | Link |
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| CN (2) | CN205896943U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679574A (en) * | 2018-06-14 | 2018-10-19 | 华域视觉科技(上海)有限公司 | Car light and automobile |
| CN108692283A (en) * | 2017-09-18 | 2018-10-23 | 常州星宇车灯股份有限公司 | A kind of uniformly light-emitting structure and the car headlight device using the light emitting structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131465A (en) * | 2017-06-27 | 2017-09-05 | 上海小糸车灯有限公司 | The bright diversified lighting effect light unit of front uniformly continuous side asterism |
-
2016
- 2016-08-16 CN CN201620890506.9U patent/CN205896943U/en active Active
- 2016-08-16 CN CN201720061938.3U patent/CN206419853U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692283A (en) * | 2017-09-18 | 2018-10-23 | 常州星宇车灯股份有限公司 | A kind of uniformly light-emitting structure and the car headlight device using the light emitting structure |
| CN108679574A (en) * | 2018-06-14 | 2018-10-19 | 华域视觉科技(上海)有限公司 | Car light and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205896943U (en) | 2017-01-18 |
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Address after: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee after: Hua Yu vision technology (Shanghai) Co., Ltd. Address before: 201821 Yecheng Road, Jiading District, Jiading District, Shanghai Patentee before: Xiaoxi Car Lights Co., Ltd., Shanghai |
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