CN107461699B - Car light lighting device, car light assembly and car - Google Patents
Car light lighting device, car light assembly and car Download PDFInfo
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- CN107461699B CN107461699B CN201710735717.4A CN201710735717A CN107461699B CN 107461699 B CN107461699 B CN 107461699B CN 201710735717 A CN201710735717 A CN 201710735717A CN 107461699 B CN107461699 B CN 107461699B
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- 238000005286 illumination Methods 0.000 claims abstract description 27
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 230000004313 glare Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—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]
- F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
- F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
-
- 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]
- F21S41/151—Light emitting diodes [LED] arranged in one or more lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/255—Lenses with a front view of circular or truncated circular outline
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
-
- 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
- F21W2102/10—Arrangement or contour of the emitted light
- F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
- F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
- F21W2102/14—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users
- F21W2102/145—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having vertical cut-off lines; specially adapted for adaptive high beams, i.e. wherein the beam is broader but avoids glaring other road users wherein the light is emitted between two parallel vertical cutoff lines, e.g. selectively emitted rectangular-shaped high beam
Abstract
The invention relates to the technical field of automobile lamps, in particular to an automobile lamp lighting device, an automobile lamp assembly comprising the same and an automobile comprising the same. The car light lighting device comprises lenses, a reflecting structure, a plurality of LED light sources which are distributed in an array manner and are transversely provided with an upper row and a lower row, and a circuit board connected with the LED light sources, wherein the reflecting structure comprises a plurality of reflecting mirror groups which are arranged in a one-to-one correspondence with each two upper and lower opposite LED light sources, and each reflecting mirror group comprises an upper reflecting mirror corresponding to the upper row of LED light sources and a lower reflecting mirror corresponding to the lower row of LED light sources; light rays emitted by the upper row of LED light sources are reflected by the upper reflector and then enter the lens, and light rays emitted by the lower row of LED light sources are reflected by the lower reflector and then enter the lens. The brightness of a certain partial area or a plurality of partial areas of the illumination light can be adjusted, so that various illumination light types are realized, and the requirement of head lamp self-adaption is met.
Description
Technical Field
The invention relates to the technical field of automobile lamps, in particular to an automobile lamp lighting device, an automobile lamp assembly comprising the same and an automobile comprising the same.
Background
With the development of LED (Light Emitting Diode ) technology, LEDs have been widely used in various fields. The LED has the advantages of small heating value, long service life, environmental protection, high response speed, small volume, convenient design and the like, and is also applied to the aspect of automobile external illumination more and more commonly.
Matrix LED self-adaptation headlight can adjust road surface lighting condition according to other traffic participants' condition, for example uses in the far-reaching headlamp, and accessible intelligent adjustment light type avoids leading to the danger that the driver caused the glaring to the place ahead, guarantees simultaneously that other regional good illumination except the car comes. The invention aims to provide a car lamp lighting device capable of realizing the dimming adjustment of a certain local area of a lighting type through the control of a light source so as to meet the self-adaptive requirement of a head lamp.
Disclosure of Invention
The invention aims to provide a car lamp lighting device capable of adjusting the brightness of a certain partial area of an illumination light type and realizing various illumination light types, a car lamp assembly comprising the car lamp lighting device and a car comprising the car lamp assembly, so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the lamp lighting device of the car light, including lens, reflecting structure, form the array and is distributed and equipped with a plurality of LED light sources of upper and lower two rows and circuit board connected with a plurality of LED light sources horizontally, reflecting structure include with every two upper, lower opposite LED light sources set up reflecting mirror group one by one, reflecting mirror group include with upper reflecting mirror and lower reflecting mirror corresponding to lower row LED light source that the upper row LED light source corresponds; light rays emitted by the upper row of LED light sources are reflected by the upper reflector and then enter the lens, and light rays emitted by the lower row of LED light sources are reflected by the lower reflector and then enter the lens.
Preferably, the circuit boards are arranged in two, the two circuit boards are arranged at intervals and are opposite up and down, the upper row of LED light sources and the lower row of LED light sources are respectively arranged on the opposite surfaces of the two circuit boards, and the upper reflector and the lower reflector are positioned between the two circuit boards.
Preferably, the upper reflector has an upper reflecting surface corresponding to the upper row of LED light sources, and the lower reflector has a lower reflecting surface corresponding to the lower row of LED light sources, the upper reflecting surface and the lower reflecting surface forming a taper with a reduction toward the lens.
Preferably, the circuit board is provided with an upper row of LED light sources and a lower row of LED light sources which are respectively arranged on the upper surface and the lower surface of the circuit board, and the upper reflector and the lower reflector are respectively arranged above and below the circuit board in an opposite way.
Preferably, the upper mirror and the lower mirror are encircling, and the opening direction is towards the lens.
Preferably, a shielding member for blocking light emitted from the LED light source from directly striking the lens is provided between the LED light source and the lens.
Preferably, the LED light source is rotatably provided on the circuit board around the lateral direction, and the maximum angle of rotation of the LED light source around the lateral direction is not more than 60 °.
Preferably, the lens is a cemented lens.
A vehicle lamp assembly comprising a vehicle lamp lighting device as described above.
An automobile comprising a lamp assembly as described above.
Compared with the prior art, the invention has obvious progress:
and a reflecting structure is arranged between the LED light source array and the lens, so that light rays emitted by the LED light source can be totally emitted into the lens after being reflected by the reflecting structure. And each LED light source positioned in the upper row and the corresponding upper reflecting mirror form a reflecting unit, each LED light source positioned in the lower row and the corresponding lower reflecting mirror also form a reflecting unit, the LED light sources distributed in an array mode and the reflecting mirror groups form a reflecting unit array, light rays emitted by the single reflecting unit form a light spot after being transmitted through a lens, and the light spot can be used as a pixel point of an integral illumination light type formed after the light rays emitted by the reflecting unit array are transmitted through the lens, so that pixelation of the illumination light type is realized. The LED light sources are turned on, turned off and independently controlled in brightness, light spots formed by light rays emitted by the reflecting units after being transmitted by the lenses are independently controlled, so that brightness of a certain partial area or a plurality of partial areas of the illumination light can be adjusted, various illumination light types are realized, the requirement of head lamp self-adaption is met, particularly when the head lamp self-adaption is carried out in front, the LED light sources of the reflecting units forming the light spots in the area are turned off by judging the area corresponding to the coming car in the illumination light types, brightness of the LED light sources of the adjacent reflecting units can be darkened when necessary, glare of a coming car driver caused by the illumination light types can be avoided, good illumination of other areas except the area where the coming car is located is ensured, and driving safety is guaranteed.
Drawings
Fig. 1 is a schematic view showing an overall structure of a lamp lighting device according to a first embodiment of the present invention.
Fig. 2 is a schematic view of a lamp lighting device according to a first embodiment of the present invention with a lens removed.
Fig. 3 is a schematic front view of a lamp lighting device according to a first embodiment of the present invention with a lens removed.
Fig. 4 is a schematic cross-sectional view taken along A-A in fig. 3.
Fig. 5 is a schematic view of a lamp lighting device for a vehicle according to a first embodiment of the present invention forming a complete high beam pattern.
Fig. 6 is a schematic view of a headlight illumination device for a vehicle according to the first embodiment of the invention, which has a partial missing high beam pattern.
Fig. 7 is a schematic overall structure of a lamp lighting device according to a second embodiment of the present invention.
Fig. 8 is a schematic view of a lamp lighting device according to a second embodiment of the present invention with a lens removed.
Fig. 9 is a schematic front view of a lamp lighting device according to a second embodiment of the present invention with a lens removed.
Fig. 10 is a schematic cross-sectional view taken along B-B in fig. 9.
In the figure:
1. lens 2 and reflecting structure
21. Upper mirror 211, upper reflecting surface
22. Lower mirror 221, lower reflecting surface
23. Frame 3, LED light source
4. Circuit board 5, shielding member
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the mechanical connection can be realized, the electrical connection can be realized, and laser welding or other technologies can be adopted; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
Example 1
As shown in fig. 1 to 6, an embodiment of a lamp lighting device of the present invention is shown. As shown in fig. 1 to 4, the lamp lighting device of the first embodiment includes a lens 1, a reflecting structure 2, an LED light source 3, and a circuit board 4.
The LED light sources 3 are arranged in plurality, and all the LED light sources 3 are distributed in an array to form an LED light source array, wherein the LED light source array in the first embodiment is transversely provided with an upper row and a lower row, and is longitudinally provided with a plurality of columns. All the LED light sources 3 are connected with the circuit board 4, the circuit board 4 is used for carrying the LED light sources 3, the on and off of each LED light source 3 are independently controlled, and the brightness of light rays emitted by each LED light source 3 can be independently and freely adjusted within the range of 0-100%. In the first embodiment, two circuit boards 4 are provided, referring to fig. 4, the two circuit boards 4 are arranged at intervals and vertically opposite to each other, the upper and lower rows of LED light sources 3 are respectively arranged on the opposite surfaces of the two circuit boards 4, that is, the upper row of LED light sources 3 (that is, the LED light sources 3 located in the upper row in the LED light source array) are arranged on the lower surface of the circuit board 4 located above, and the lower row of LED light sources 3 (that is, the LED light sources 3 located in the lower row in the LED light source array) are arranged on the upper surface of the circuit board 4 located below. Preferably, in the first embodiment, each LED light source 3 is individually rotatably disposed on the circuit board 4 around the lateral direction of the LED light source array, and the maximum angle of rotation of each LED light source 3 around the lateral direction is not more than 60 °, so that the flexibility of adjusting the illumination light type can be increased.
The reflecting structure 2 comprises a plurality of reflecting mirror groups, all the reflecting mirror groups are arranged in a linear array, and each reflecting mirror group is arranged in one-to-one correspondence with each two LED light sources 3 which are opposite up and down. The single mirror group includes an upper mirror 21 and a lower mirror 22, the lower mirror 22 being located below the upper mirror 21. The upper reflector 21 corresponds to the upper row of LED light sources 3, the single LED light source 3 positioned in the upper row is positioned at the focus of the corresponding upper reflector 21, and the light rays emitted by the upper row of LED light sources 3 are reflected by the upper reflector 21 and then enter the lens 1. The lower reflector 22 corresponds to the lower row of LED light sources 3, the single LED light source 3 positioned in the lower row is positioned at the focus of the corresponding lower reflector 22, and the light rays emitted by the lower row of LED light sources 3 are reflected by the lower reflector 22 and then enter the lens 1. In the first embodiment, the upper reflector 21 and the lower reflector 22 of the single reflector group are located between the two upper and lower opposite LED light sources 3 on the two circuit boards 4, that is, the upper reflector 21 is located below the upper row of LED light sources 3, and the lower reflector 22 is located above the lower row of LED light sources 3.
Specifically, the upper reflector 21 has an upper reflecting surface 211 corresponding to the upper row of LED light sources 3, and the lower reflector 22 has a lower reflecting surface 221 corresponding to the lower row of LED light sources 3. Both the upper reflective surface 211 and the lower reflective surface 221 have high reflectivity. Light rays emitted by the single LED light sources 3 positioned in the upper row firstly enter the upper reflecting surface 211 of the corresponding upper reflecting mirror 21, and are reflected by the upper reflecting surface 211 and then enter the lens 1; light rays emitted by the single LED light sources 3 positioned in the lower row are firstly incident on the lower reflecting surface 221 of the corresponding lower reflecting mirror 22, and are reflected by the lower reflecting surface 221 and then are incident on the lens 1. The light entering the lens 1 is transmitted through the lens 1 to form an illumination light pattern. Preferably, in the first embodiment, the upper reflecting surface 211 of the upper reflecting mirror 21 and the lower reflecting surface 221 of the lower reflecting mirror 22 form a taper of the reduction toward the lens 1.
In the lamp lighting device of the first embodiment, each LED light source 3 located in the upper row and the upper reflector 21 corresponding thereto constitute one reflecting unit, and each LED light source 3 located in the lower row and the lower reflector 22 corresponding thereto also constitute one reflecting unit. The array-type distributed LED light sources 3 and the reflector group form a reflecting unit array. The light emitted by each LED light source 3 is reflected by the reflector group and then is emitted into the lens 1, and is transmitted by the lens 1 to form a light spot, namely, the light emitted by a single reflecting unit is transmitted by the lens 1 to form a light spot, and the light spot can be used as a pixel point of an integral illumination light type formed by the light emitted by the reflecting unit array after being transmitted by the lens 1, so that the pixelation of the illumination light type is realized. By individually controlling the on/off and brightness of each LED light source 3, the light spot formed by the light emitted from each reflecting unit after being transmitted through the lens 1 can be individually controlled. When all the LED light sources 3 are turned on, the light rays emitted by the reflecting unit array are transmitted by the lens 1 to form a complete illumination light type (see FIG. 5); when one or more LED light sources 3 are turned off or darkened, the spots formed by their corresponding reflecting units disappear or darken, thereby forming a locally missing illumination pattern (see fig. 6). Therefore, the lamp lighting device of the first embodiment can adjust the brightness of a certain partial area or a plurality of partial areas of the lighting type, thereby realizing various lighting types, meeting the requirement of the self-adaptation of the head lamp, particularly when the head lamp is in front, the LED light sources 3 of the reflection units forming the light spots of the area are turned off by judging the corresponding area of the lighting type, and the brightness of the LED light sources 3 of the adjacent reflection units can be darkened when necessary, so that the glare of a driver of the coming vehicle caused by the lighting type can be avoided, and meanwhile, the good lighting of other areas except the area where the coming vehicle is located is ensured, thereby ensuring the driving safety.
Preferably, in the first embodiment, in order to avoid stray light, a shielding member 5 is disposed between the LED light source 3 and the lens 1, and the shielding member 5 is used for blocking the light emitted by the LED light source 3 from directly impinging on the lens 1, so that all the light emitted by the LED light source 3 is reflected by the upper reflector 21 and then impinging on the lens 1. In the first embodiment, two shielding members 5 are provided, and the two shielding members 5 are respectively disposed in front of the upper row of LED light sources 3 and the lower row of LED light sources 3 towards the lens 1, and are respectively used for blocking the light rays emitted by the upper row of LED light sources 3 and the lower row of LED light sources 3 from directly impinging on the lens 1.
In the first embodiment, the reflecting structure 2 further includes a frame 23, a cavity is disposed in the frame 23, and an opening is disposed at one end of the cavity facing the lens 1, and the circuit board 4, all of the LED light sources 3, the upper reflector 21 and the lower reflector 22 are disposed in the cavity. Preferably, in the first embodiment, the shielding member 5 is also disposed on the frame 23 of the reflecting structure 2, and is formed as an integral piece with the frame 23, so as to save design and manufacturing costs.
Further, a shielding member (not shown) may be provided between each two adjacent reflecting units to prevent the incident light of the reflecting unit from affecting the adjacent or nearby reflecting units.
Preferably, in the first embodiment, the lens 1 may be a cemented lens, and the cemented lens is made of two materials with different refractive indexes by using a multi-color injection molding process, and mainly plays a role in dispersion elimination.
Based on the above-mentioned car light lighting device, the first embodiment also provides a car light assembly, and the car light assembly of the first embodiment includes the above-mentioned car light lighting device of the first embodiment.
Based on the above-mentioned car light assembly, this embodiment first still provides an automobile, and the automobile of this embodiment first includes the above-mentioned car light assembly of this embodiment first.
Example two
As shown in fig. 7 to 10, a second embodiment of the lamp lighting device of the present invention. The second embodiment is basically the same as the first embodiment, and the details are not repeated, but the difference is that in the second embodiment, the circuit board 4 is provided with one piece, and referring to fig. 10, the upper and lower rows of LED light sources 3 are respectively disposed on the upper and lower surfaces of the circuit board 4, and the upper reflector 21 and the lower reflector 22 are respectively disposed above and below the circuit board 4 oppositely. That is, the upper row LED light sources 3 are disposed on the upper surface of the circuit board 4, the upper reflector 21 is disposed above the circuit board 4, and the upper reflector 21 is disposed above the upper row LED light sources 3; the lower row of LED light sources 3 is arranged on the lower surface of the circuit board 4, the lower reflector 22 is arranged below the circuit board 4, and the lower reflector 22 is arranged below the lower row of LED light sources 3. Preferably, in the second embodiment, the upper mirror 21 and the lower mirror 22 are in a surrounding shape, and the opening direction is toward the lens 1.
In the second embodiment, only one shielding member 5 is provided, and the shielding member 5 is disposed right in front of the circuit board 4 toward the lens 1, and can simultaneously block the light emitted by the upper row LED light sources 3 and the lower row LED light sources 3 from directly impinging on the lens 1.
In summary, according to the vehicle lamp lighting device, the vehicle lamp assembly comprising the vehicle lamp lighting device and the vehicle comprising the vehicle lamp assembly, the reflection structure 2 is arranged between the LED light source array and the lens 1, so that the light rays emitted by the LED light source 3 can be totally emitted into the lens 1 after being reflected by the reflection structure 2. The light spots formed by the light rays emitted by the reflecting units after being transmitted by the lenses 1 can be independently controlled by independently controlling the on/off and brightness of each LED light source 3, so that the brightness of a certain partial area or a plurality of partial areas of the illumination light can be adjusted, various illumination light types can be realized, the requirement of head lamp self-adaption is met, especially when the head lamp self-adaption is carried out in front, the LED light sources 3 of the reflecting units forming the light spots of the area are turned off by judging the area corresponding to the coming automobile in the illumination light types, the brightness of the LED light sources 3 of the adjacent reflecting units can be darkened when necessary, the glare of a coming automobile driver caused by the illumination light types can be avoided, and meanwhile, the good illumination of other areas except the area where the coming automobile is located is ensured, so that the driving safety is ensured.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (10)
1. The car lamp lighting device is characterized by comprising a lens (1), a reflecting structure (2), a plurality of LED light sources (3) which are distributed in an array manner and are transversely provided with an upper row and a lower row, and a circuit board (4) connected with the LED light sources (3), wherein the reflecting structure (2) comprises a plurality of reflecting mirror groups which are arranged in a one-to-one correspondence with each two upper and lower opposite LED light sources (3), and each reflecting mirror group comprises an upper reflecting mirror (21) corresponding to the upper row of LED light sources (3) and a lower reflecting mirror (22) corresponding to the lower row of LED light sources (3); light emitted by the upper row of LED light sources (3) is reflected by the upper reflecting mirror (21) and then enters the lens (1), light emitted by the lower row of LED light sources (3) is reflected by the lower reflecting mirror (22) and then enters the lens (1), each LED light source (3) positioned in the upper row and the upper reflecting mirror (21) corresponding to the upper row form a reflecting unit, each LED light source (3) positioned in the lower row and the lower reflecting mirror (22) corresponding to the lower row also form a reflecting unit, the array-type distributed LED light sources (3) and the reflecting mirror groups form a reflecting unit array, the light emitted by the single reflecting unit is transmitted by the lens (1) to form a light spot, the light spot is used as a pixel point of an integral illumination light pattern formed by transmitting the light emitted by the reflecting unit array through the lens (1), and the light spot formed by each reflecting unit after the light emitted by each reflecting unit is transmitted by the lens (1) can be independently controlled to realize the independent control of the light spot formed by the opening, closing and brightness of each reflecting unit, so that a certain partial brightness and multiple partial brightness adjustment of the illumination area can be realized.
2. The vehicle lamp lighting device according to claim 1, wherein the circuit board (4) is provided with two, two circuit boards (4) are arranged at intervals and opposite to each other up and down, the upper and lower rows of LED light sources (3) are respectively arranged on the opposite surfaces of the two circuit boards (4), and the upper reflector (21) and the lower reflector (22) are positioned between the two circuit boards (4).
3. The vehicle lamp lighting device according to claim 2, characterized in that the upper reflector (21) has an upper reflecting surface (211) corresponding to the upper row of LED light sources (3), the lower reflector (22) has a lower reflecting surface (221) corresponding to the lower row of LED light sources (3), the upper reflecting surface (211) and the lower reflecting surface (221) constituting a taper with a reduction toward the lens (1).
4. The lighting device for vehicle lamp according to claim 1, wherein the circuit board (4) is provided with one, the upper and lower rows of LED light sources (3) are respectively arranged on the upper and lower surfaces of the circuit board (4), and the upper reflector (21) and the lower reflector (22) are respectively arranged above and below the circuit board (4) in opposition.
5. The vehicle lamp lighting device according to claim 4, characterized in that the upper mirror (21) and the lower mirror (22) are encircling and the opening direction is directed towards the lens (1).
6. A vehicle lamp lighting device according to claim 1, characterized in that a shield (5) for blocking the light emitted by the LED light source (3) from directly striking the lens (1) is provided between the LED light source (3) and the lens (1).
7. The vehicle lamp lighting device according to claim 1, characterized in that the LED light source (3) is rotatably arranged on the circuit board (4) around a transverse direction, and that the maximum angle of rotation of the LED light source (3) around the transverse direction does not exceed 60 °.
8. The vehicle lamp lighting device according to claim 1, characterized in that the lens (1) is a cemented lens.
9. A vehicle lamp assembly comprising a vehicle lamp lighting device as claimed in any one of claims 1 to 8.
10. An automobile comprising the lamp assembly of claim 9.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710735717.4A CN107461699B (en) | 2017-08-24 | 2017-08-24 | Car light lighting device, car light assembly and car |
| US16/108,332 US10527244B2 (en) | 2017-08-24 | 2018-08-22 | Automobile lamp lighting device, automobile lamp assembly and automobile |
| DE102018120733.6A DE102018120733B4 (en) | 2017-08-24 | 2018-08-24 | Lighting device of a vehicle lamp, vehicle lamp assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710735717.4A CN107461699B (en) | 2017-08-24 | 2017-08-24 | Car light lighting device, car light assembly and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107461699A CN107461699A (en) | 2017-12-12 |
| CN107461699B true CN107461699B (en) | 2024-02-06 |
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ID=60550493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710735717.4A Active CN107461699B (en) | 2017-08-24 | 2017-08-24 | Car light lighting device, car light assembly and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107461699B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9896023B1 (en) * | 2017-02-09 | 2018-02-20 | Ford Global Technologies, Llc | Vehicle rear lighting assembly |
| CN109973922A (en) * | 2017-12-28 | 2019-07-05 | 长城汽车股份有限公司 | Automobile-used lamp group and vehicle |
| IT201900024226A1 (en) * | 2019-12-17 | 2021-06-17 | Osram Gmbh | LAMP AND CORRESPONDING PROCEDURE |
| US11906120B2 (en) | 2022-07-04 | 2024-02-20 | Lumileds Llc | Hybrid function LED auxiliary lamp for motor vehicles |
| WO2024010744A1 (en) * | 2022-07-04 | 2024-01-11 | Lumileds Llc | Lamp for motor vehicles |
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| CN106439683A (en) * | 2016-09-30 | 2017-02-22 | 武汉通畅汽车电子照明有限公司 | PES light-path double-reflector structure and automotive lamp PES unit thereof |
| CN206036884U (en) * | 2016-08-30 | 2017-03-22 | 堤维西交通工业股份有限公司 | Projective headlight |
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| CN206036884U (en) * | 2016-08-30 | 2017-03-22 | 堤维西交通工业股份有限公司 | Projective headlight |
| CN106439683A (en) * | 2016-09-30 | 2017-02-22 | 武汉通畅汽车电子照明有限公司 | PES light-path double-reflector structure and automotive lamp PES unit thereof |
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