CN106989342B - Far and near integrated LED headlamp - Google Patents
Far and near integrated LED headlamp Download PDFInfo
- Publication number
- CN106989342B CN106989342B CN201710301050.7A CN201710301050A CN106989342B CN 106989342 B CN106989342 B CN 106989342B CN 201710301050 A CN201710301050 A CN 201710301050A CN 106989342 B CN106989342 B CN 106989342B
- Authority
- CN
- China
- Prior art keywords
- light
- led
- lens
- equal
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/692—Shields, i.e. screens not creating an image meant to be projected
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
-
- 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
- F21V5/008—Combination of two or more successive refractors along an optical axis
-
- 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
-
- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Abstract
The invention discloses a far and near integrated LED headlamp, which comprises an LED light source, a lens group, a light distribution unit, a movable cut-off light barrier and a condenser lens which are sequentially arranged, wherein the focal length of the lens group is on the optical axis of the LED light source corresponding to the lens group, and the light distribution unit and the movable cut-off light barrier are respectively positioned on the upper side and the lower side of the optical axis of the LED light source. The invention has simple structure and lower cost, but can meet the requirements of the high beam and the dipped headlight.
Description
Technical Field
The invention relates to the technical field of vehicle illumination, in particular to a far and near integrated LED headlamp.
Background
The application of the LED light source in the field of automobile headlamps is still in the starting stage, and the main reason is that in the specific implementation process, various engineering technical problems such as light distribution design, heat dissipation, stress, volume and the like are not well solved, wherein the light distribution design, the heat dissipation and the heat resistance design face more problems.
For example, the light distribution design scheme of the current automobile LED headlamp mainly has two types:
firstly, in the traditional large-size curved surface reflecting lamp cup, the LED small lamp core is adopted to directly replace the original halogen bulbs or xenon bulbs with the models of H4, H7 and the like. There are problems that are difficult to solve: because the light emitting characteristics of the LED, halogen lamps and xenon lamps are essentially different, the light distribution performance can not meet the regulation requirements of GB 4599-2007 filament bulb headlamp for automobiles and GB25991 LED headlamp for automobiles.
The LED lamp source chip, the composite ellipsoid reflecting cup, the light blocking plate and the lens form a three-group unit; the existing problems are as follows: (1) because the composite ellipsoidal reflective cup comprises more asymmetric structural units, the processing cost and the manufacturing process difficulty are high, and when the composite ellipsoidal reflective cup is manufactured in batches, the manufacturing tolerance is small, and the quality assurance aspect has more limitations. (2) When the LED emits light, a large amount of heat is radiated, the material of the composite ellipsoidal reflecting cup is easy to age in a lamp body with higher temperature, and a reflecting coating layer falls off and blackens, so that the light efficiency of the headlamp is reduced, and even the headlamp is invalid.
Therefore, it is an urgent technical problem in the industry to provide an automotive LED headlamp with high optical efficiency, simple and reliable structure, and easy mass production.
Disclosure of Invention
The invention provides a high-low integrated LED headlamp, which aims to solve the problems in the prior art and comprises an LED light source, a lens group, a light distribution unit, a movable cut-off light barrier and a condenser lens which are sequentially arranged, wherein the focal length of the lens group falls on the optical axis of the LED light source corresponding to the lens group, and the light distribution unit and the movable cut-off light barrier are respectively positioned on the upper side and the lower side of the optical axis of the LED light source.
In a first embodiment, the LED light source includes a first LED lamp and a second LED lamp arranged side by side from left to right, the lens assembly includes a first lens assembly and a second lens assembly respectively corresponding to the first LED lamp and the second LED lamp, the first lens assembly and the second lens assembly respectively include a first lens and a second lens which are sequentially arranged on respective optical axes from near to far, the left and right widths of the light distribution unit and the cut-off light barrier cover the LED light source, the left and right widths and the upper and lower heights of the condenser cover the LED light source, and the focus of the condenser falls on the left and right central lines of the LED light source.
In a second embodiment, the LED light source includes a first LED lamp and a second LED lamp disposed left and right, the lens assembly includes a first lens assembly and a second lens assembly respectively corresponding to the first LED lamp and the second LED lamp, the first lens assembly and the second lens assembly respectively include a first lens and a second lens sequentially disposed on respective optical axes from near to far, the left and right width of the light distribution unit only covers the second LED lamp, and two light blocking plates and two collecting lenses are disposed and respectively corresponding to the first LED lamp and the second LED lamp.
In a third embodiment, the LED light source adopts an LED lamp, the lens assembly includes a first lens and a second lens disposed on an optical axis of the LED lamp from near to far, and the light distribution unit, the cut-off light barrier, and the condenser are all provided with 1.
In all the embodiments described above, the blocking light barrier is connected to the electromagnetic valve, and is moved from the optical axis side toward the direction away from the optical axis by the control of the electromagnetic valve. The focal length f1 of the first lens is less than or equal to 5mm and less than or equal to f1 and less than or equal to 18mm, the focal length f2 of the second lens is less than or equal to 10mm and less than or equal to f2 and less than or equal to 28mm, and the temperature resistance ranges of the first lens and the second lens are-100 ℃ to 300 ℃. The light distribution unit is formed by arraying a plurality of R columns, the vertical distance range from the light incidence surface to the light emergence surface of each R column is 1-10mm, the light incidence surface of each R column is wavy, and the light emergence surface is an optical plane, or the light incidence surface and the light emergence surface of each R column are wavy. The blocking light barrier is plate-shaped or cylindrical. The focal length f of the condenser satisfies that f is not less than 20mm and not more than 50mm, and the rise Z of the light incident surface and the light emergent surface of the condenser both satisfy
Wherein c is the curvature of the surface shape of the light incident surface and the light emergent surface, y is the radius of the coincident circumference of the edges of the light incident surface and the light emergent surface, and K is the conical coefficient of the surface shape of the light incident surface or the light emergent surface. The radius R2 of the light incident surface S2 satisfies that R2 is more than or equal to-300<0; the cone coefficient K2 satisfies-60 is more than or equal to K1 and less than or equal to 0. The radius R1 of the light-emitting surface is more than or equal to 20mm and less than or equal to 40mm, and the coefficient K1 of the cone is more than or equal to-1.5 and less than or equal to K1 and less than or equal to 0.5.
Aiming at the technical problems in the prior art, the invention provides a light distribution design method and a system scheme of an LED automobile headlamp, which can distinguish common optical structures in the prior art, and have the advantages of high optical efficiency, high temperature tolerance, simple structure, easy engineering manufacture and batch production. In addition, the invention can realize the functions of a dipped headlight and a high beam by controlling the movement of the cut-off light barrier, thereby greatly reducing the cost.
Drawings
FIG. 1 is an X-Z view of a first embodiment of the present invention;
FIG. 2 is a Y-Z view of the first embodiment of the present invention;
FIG. 3 is a view in the X-Z direction of a second embodiment of the present invention;
FIG. 4 is an X-Z view of a third embodiment of the present invention;
FIG. 5 is an X-Z and Y-Z view of a cutoff barrier;
FIG. 6 is an X-Z view of an R-pillar in the light distribution unit;
FIG. 7 is a Y-Z view of the collection mirror.
Detailed Description
The invention provides a far and near integrated LED headlamp, which comprises an LED light source, a lens group, a light distribution unit, a movable cut-off light barrier and a condenser lens which are sequentially arranged, wherein the direction from the LED light source to the condenser lens is defined as a Z axis, the focal length of the lens group falls on the optical axis of the LED light source corresponding to the lens group, namely the focal length of the lens group falls on the parallel direction of the Z axis, the light distribution unit and the movable cut-off light barrier are respectively positioned at the upper side and the lower side of the optical axis of the LED light source, the upper and lower direction perpendicular to the optical axis of the LED light source is set as a Y axis, and the left and right direction perpendicular to the optical axis of the LED light source is set as an X axis.
The LED light source selected by the invention provides enough luminous flux, and the regulation requirements of GB25991 LED headlamp for automobiles on high beam or low beam integrated headlamp are met through light distribution design. The lens group collects the luminous flux emitted by the corresponding LED light source, reduces the emergent beam angle of the LED light source and is beneficial to the light distribution design of the condenser lens. The light distribution unit performs auxiliary light distribution on an area I defined in the regulation requirements of GB25991 LED headlamp for automobiles, and plays a more uniform and wider paving and illuminating function. And the cut-off light barrier is positioned near the focal plane of the condenser lens, and when the far-near integrated LED headlamp is used as a low-beam headlamp, a light and shade cut-off line is provided for the low-beam headlamp. The collecting lens collects the light beams emitted from the LED light source and then shaped by the cut-off light blocking plate, and the light beams are projected out for illumination. The LED headlamp can be projected to a receiving screen at a distance of 25 meters in a test stage to test the light distribution performance, and the standard requirements in the regulations of GB25991 automobile LED headlamp are met through verification.
FIG. 1 is a view in the direction X, Z, also referred to as a top view, of a first embodiment of the present invention. FIG. 2 is a view in the direction Y, Z, also referred to as a side view, of a first embodiment of the present invention. In this embodiment, the LED light sources are divided into two groups, and the lens groups are also divided into two groups corresponding to the two groups of LED light sources, respectively. Two groups of LED light sources share one set of light distribution unit, a cut-off light barrier and a condenser lens. Specifically, the LED light source includes that first LED lamp 11 and second LED lamp 12 that control and set up side by side, first LED lamp 11 and second LED lamp 12 are located the both sides of Z axle respectively in the X direction, the battery of lens is including corresponding first battery of lens and the second battery of lens first, the second LED lamp respectively, first, the second battery of lens all includes and sets gradually first lens 21 and second lens 22 on respective LED optical axis from near to far away, the width covers two sets of LED light sources about grading unit 30 and the board 40 that ends covers, has covered the LED light source promptly in the X axle direction, wherein, the grading unit be located in the Y axle direction and only covered the part that the LED light source is located the Y axle positive direction. The cut-off light-blocking plate 40 is located in the Y-axis direction to cover only the portion of the LED light source located in the negative Y-axis direction. The condenser lens 50 covers the LED light source in both the horizontal width and the vertical height, and the focal point of the condenser lens falls on the horizontal center line of the LED light source, i.e., the Z-axis of the center line of the X-axis.
FIG. 3 is a view in the direction of X, Z of a second embodiment of the present invention. In this embodiment, the LED light source, the lens group, the blocking light barrier, and the condenser lens are divided into two groups. Specifically, the LED light source includes a first LED lamp 11 and a second LED lamp 12 arranged left and right (respectively located in the positive and negative directions of the X axis), the lens group includes a first lens group and a second lens group corresponding to the first and second LED lamps, the first and second lens groups include a first lens 21 and a second lens 22 sequentially arranged on the respective LED optical axes from near to far, the light distribution unit 30 is only arranged in the light path of the second LED lamp 12, that is, the left and right width (in the X axis direction) of the light distribution unit 30 only covers the second LED lamp 12, the number of the blocking light blocking plates and the condensing lenses are two, that is, the first blocking light blocking plate 41 and the first condensing lens 51 corresponding to the first LED lamp, and the second blocking light blocking plate 42 and the second condensing lens 52 corresponding to the second LED lamp.
Fig. 4 is a view of X, Z in a third embodiment of the present invention, in this embodiment, one LED lamp 10 is used as an LED light source, the lens assembly includes a first lens 21 and a second lens 22 disposed on an optical axis of the LED lamp from near to far, and there are 1 light distribution unit 30, a blocking light barrier 40, and a condenser 50.
In the three embodiments, the focal length f1 of the first lens 21 is less than or equal to 5mm and less than or equal to f1 and less than or equal to 18mm, the focal length f2 of the second lens 22 is less than or equal to 10mm and less than or equal to f2 and less than or equal to 28mm, and the temperature resistance ranges of the first lens and the second lens are-100-300 ℃.
Fig. 5 is a X, Z and Y, Z view of the blocking light barrier, and it can be seen that in the above three embodiments, the blocking light barrier may be in a plate shape or a cylindrical shape. In the above three embodiments, the blocking light barrier is movable, (refer to fig. 2) by connecting the solenoid valve 60, when the low beam needs to be changed to the high beam, the solenoid valve 60 is opened, and the blocking light barrier is controlled to move from the side of the optical axis to the direction away from the optical axis, i.e. to move along the negative direction of the Y axis, so that the light barrier can be used as the high beam.
As shown in fig. 6, in the above three embodiments, the light distribution unit is formed by a plurality of R pillars 70 arranged in an array, a vertical distance range from the light incident surface to the light emitting surface of the R pillars is 1-10mm, in one embodiment, the light incident surface of the R pillars is in a wave shape, and the light emitting surface is an optical plane, in another embodiment, both the light incident surface and the light emitting surface of the R pillars may be in a wave shape.
As shown in FIG. 7, the focal length f of the condenser in the above three embodiments satisfies 20mm ≤ f ≤ 50mm, and the rise Z of the incident surface and the emergent surface of the condenser satisfies
C is the curvature of the surface shape of the light incident surface and the light emergent surface, Y is the distance between the point on the light incident surface and the light emergent surface and the optical axis of the condenser lens in the Y-axis coordinate direction in the figure, and in a specific product, Y is the distance between the light incident surface and the light emergent surfaceThe edge of the light-emitting surface is overlapped with the radius of the circumference. K is the surface-shaped conical coefficient of the light incident surface or the light emergent surface. The radius R1 of the light-emitting surface S1 is more than or equal to 20mm and less than or equal to 40mm, the cone coefficient K1 is more than or equal to-1.5 and less than or equal to K1 and less than or equal to 0.5, and the surface curvature c1=1/R1. The light incident surface S2 is a curved surface with the direction opposite to that of the light emergent surface, so that the radius R2 of the curved surface of the light incident surface S2 is equal to or more than 300mm and is equal to or less than R2<0mm; the conic coefficient K2 of S2 in the light incident surface satisfies that K1 is more than or equal to-60 and less than or equal to 0./>
The above embodiments are merely illustrative of the optical structure of the present invention, and those skilled in the art can make various modifications and changes within the spirit of the present invention, which are included in the scope of the present invention.
Claims (10)
1. A far and near integrated LED headlamp is characterized by comprising an LED light source, a lens group, a light distribution unit, a movable cut-off light barrier and a condenser lens which are sequentially arranged, wherein the focal length of the lens group falls on the optical axis of the LED light source corresponding to the lens group, and the light distribution unit and the movable cut-off light barrier are respectively positioned on the upper side and the lower side of the optical axis of the LED light source;
the lens group comprises a first lens and a second lens which are arranged on an optical axis of the LED lamp from near to far, the focal length f1 of the first lens is less than or equal to 5mm and less than or equal to f1 and less than or equal to 18mm, the focal length f2 of the second lens is less than or equal to 10mm and less than or equal to f2 and less than or equal to 28mm, the light distribution unit is formed by arraying a plurality of R columns, and the vertical distance range from the light incident surface to the light emergent surface of each R column is 1-10mm.
2. The near-far integrated LED headlamp according to claim 1, wherein the LED light source comprises a first LED lamp and a second LED lamp which are arranged side by side from left to right, the lens group comprises a first lens group and a second lens group which respectively correspond to the first LED lamp and the second LED lamp, the first lens group and the second lens group respectively comprise a first lens and a second lens which are sequentially arranged on respective optical axes from near to far, the left and right widths of the light distribution unit and the cut-off light barrier cover the LED light source, the left and right widths and the up and down heights of the condenser cover the LED light source, and the focus of the condenser falls on the left and right center lines of the LED light source.
3. The near-far integrated LED headlamp according to claim 1, wherein the LED light source comprises a first LED lamp and a second LED lamp which are arranged left and right, the lens assembly comprises a first lens assembly and a second lens assembly which respectively correspond to the first LED lamp and the second LED lamp, the first lens assembly and the second lens assembly respectively comprise a first lens and a second lens which are sequentially arranged on respective optical axes from near to far, the left width and the right width of the light distribution unit only cover the second LED lamp, and two light blocking plates and two collecting lenses are arranged and respectively correspond to the first LED lamp and the second LED lamp.
4. The near-far integrated LED headlamp according to claim 1, wherein the LED light source is an LED lamp, and the number of the light distribution unit, the cut-off light barrier and the condenser lens is 1.
5. The all-in-one LED headlamp according to any one of claims 1 to 4, wherein the cut-off light barrier is connected to a solenoid valve, and is moved from the side of the optical axis toward a direction away from the optical axis by the control of the solenoid valve.
6. The near-far integrated LED headlamp according to any one of claims 2 to 4, wherein the temperature resistance of the first and second lenses is in the range of-100 to 300 ℃.
7. The near-far integrated LED headlamp according to any one of claims 1 to 4, wherein the incident surface of the R-pillar is wavy, the emergent surface is an optical plane, or both the incident surface and the emergent surface of the R-pillar are wavy.
8. The near-far integrated LED headlamp according to any one of claims 1 to 4, wherein the cut-off light barrier has a plate-like or cylindrical shape.
9. Any one of claims 1 to 4The high-low integrated LED headlamp is characterized in that the focal length f of the condenser satisfies that f is more than or equal to 20mm and less than or equal to 50mm, and the rise Z of the light incident surface and the light emergent surface of the condenser satisfies
C is the curvature of the surface shape of the light incident surface and the light emergent surface, y is the radius of the coincident circumference of the edges of the light incident surface and the light emergent surface, and K is the conical coefficient of the surface shape of the light incident surface or the light emergent surface.
10. The far-near integrated LED headlamp according to claim 9, wherein the radius R1 of the light emitting surface S1 is equal to or greater than 20mm and equal to or less than R1 and equal to or less than 40mm, and the conic coefficient K1 is equal to or greater than-1.5 and equal to or less than K1 and equal to or less than 0.5; the radius R2 of the light incident surface S2 is more than or equal to-300, and R2 is less than 0; the cone coefficient K2 satisfies-60 is more than or equal to K1 and less than or equal to 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301050.7A CN106989342B (en) | 2017-05-02 | 2017-05-02 | Far and near integrated LED headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301050.7A CN106989342B (en) | 2017-05-02 | 2017-05-02 | Far and near integrated LED headlamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106989342A CN106989342A (en) | 2017-07-28 |
| CN106989342B true CN106989342B (en) | 2023-04-07 |
Family
ID=59418104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710301050.7A Active CN106989342B (en) | 2017-05-02 | 2017-05-02 | Far and near integrated LED headlamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106989342B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017128125B4 (en) | 2017-11-28 | 2024-02-22 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Headlights and operating procedures |
| DE102018008760A1 (en) * | 2018-11-08 | 2019-04-25 | Daimler Ag | Vehicle headlight with a light source |
| CN109373281A (en) * | 2018-11-13 | 2019-02-22 | 深圳智诺车灯科技有限公司 | A kind of LED automobile lower beam headlamp |
| CN111750332B (en) * | 2020-07-03 | 2022-09-20 | 深圳大学 | Variable lighting device and automobile lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006252925A (en) * | 2005-03-10 | 2006-09-21 | Ichikoh Ind Ltd | Headlight for vehicle |
| JP2007095681A (en) * | 2005-09-26 | 2007-04-12 | Compal Communications Inc | Floodlight system with multiple light sources and multiple light axes |
| JP2016015303A (en) * | 2014-06-11 | 2016-01-28 | ヤマハ発動機株式会社 | Vehicular headlight and vehicle equipped with the same |
| CN207350120U (en) * | 2017-05-02 | 2018-05-11 | 深圳智诺车灯科技有限公司 | Far and near one LED headlamps |
-
2017
- 2017-05-02 CN CN201710301050.7A patent/CN106989342B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006252925A (en) * | 2005-03-10 | 2006-09-21 | Ichikoh Ind Ltd | Headlight for vehicle |
| JP2007095681A (en) * | 2005-09-26 | 2007-04-12 | Compal Communications Inc | Floodlight system with multiple light sources and multiple light axes |
| JP2016015303A (en) * | 2014-06-11 | 2016-01-28 | ヤマハ発動機株式会社 | Vehicular headlight and vehicle equipped with the same |
| CN207350120U (en) * | 2017-05-02 | 2018-05-11 | 深圳智诺车灯科技有限公司 | Far and near one LED headlamps |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106989342A (en) | 2017-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106989342B (en) | Far and near integrated LED headlamp | |
| JP4089866B2 (en) | Light projecting unit and LED vehicle illumination lamp comprising the light projecting unit | |
| US20070171665A1 (en) | High-intensity zone LED projector | |
| JP4335785B2 (en) | Vehicle lighting | |
| CN101858550B (en) | LED light source of dipped headlamp of automobile, with cut-off line | |
| CN108534078B (en) | LED array far and near light dual-function module system | |
| JP2013243130A (en) | Headlamp featuring both low-beam and high-beam output and devoid of moving part | |
| CN101858565B (en) | Headlamp reflection cup, headlamp and motor vehicle | |
| CN103375748B (en) | Lamp unit | |
| WO2013143330A1 (en) | Optical lens with free-form surfaces for led automobile headlight on high beam | |
| JP6999036B2 (en) | Projection device for floodlights for automatic vehicles | |
| CN100549501C (en) | Projection type optical system structure | |
| CN207350120U (en) | Far and near one LED headlamps | |
| CN103206668A (en) | Free-form surface lens for projection-type light emitting diode (LED) automobile dipped headlight | |
| US20230175663A1 (en) | Lens unit, auxiliary low-beam module, lens, low-beam illumination module and vehicle | |
| CN110736072A (en) | Headlamp lighting module and vehicle | |
| JP4780809B2 (en) | Vehicle lighting | |
| CN206352795U (en) | The integrated auxiliary lamp module of key light lamp and car headlamp | |
| WO2017114027A1 (en) | Led automobile headlight | |
| US2454765A (en) | Electric head lamp projector and incandescent lamp therefor | |
| CN107062116B (en) | LED automobile headlamp with integral structure optical lens | |
| CN102486297B (en) | Reflector of front fog lamp, front fog lamp and motor vehicle | |
| CN101858562B (en) | Dipped headlamp reflector, dipped headlamp and motor vehicle | |
| CN210398738U (en) | Auxiliary low-beam lighting module of vehicle headlamp, vehicle lamp and vehicle | |
| CN210568143U (en) | Headlamp lighting module and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230404 Address after: 518000 Zhaoye Factory Building 515, No. 172 Huanguan Middle Road, Songyuanxia Community, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zihong Optical Technology Co.,Ltd. Address before: No. 8 Shajing Youchang Road, Bao'an District, Shenzhen City, Guangdong Province, 518000 Patentee before: SHENZHEN ZHINUO CAR LIGHT TECHNOLOGY CO.,LTD. |