CN105546452A - Total-reflection lower beam combined module of car lamp - Google Patents
Total-reflection lower beam combined module of car lamp Download PDFInfo
- Publication number
- CN105546452A CN105546452A CN201610071004.8A CN201610071004A CN105546452A CN 105546452 A CN105546452 A CN 105546452A CN 201610071004 A CN201610071004 A CN 201610071004A CN 105546452 A CN105546452 A CN 105546452A
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- Prior art keywords
- light
- dipped beam
- projector
- total reflection
- combination module
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
-
- 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
- F21S41/27—Thick lenses
-
- 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]
-
- 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
- F21S41/322—Optical layout thereof the reflector using total internal reflection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a total-reflection lower beam combined module of a car lamp. The total-reflection lower beam combined module comprises a projector (1), a light adjusting support (2), a heat radiator (3), an LED circuit board (7) and a vertical heat radiator adjusting structure. The heat radiator (3) and the LED circuit board (7) are fixedly connected, and the projector (1) and the LED circuit board (7) are fixedly connected. A supporting point for supporting the projector (1) is arranged on the light adjusting support (2), and when the vertical heat radiator adjusting structure carries out vertical adjustment, the projector (1) is driven to vertically swing around the supporting point to be adjusted. The projector (1) is only a columnar part with the regular appearance, and comprises a condenser structure (11) at the tail, a visor structure (12) at the middle and a lens structure (13) at the head, divergent light emitted by an LED light source is gathered through the condenser structure (11), a point of intersection is formed in front, the light is shielded at the point of intersection through the visor structure (12) to form lower beam cut-off lines, and the light is emitted out forwards through the lens structure (13).
Description
Technical field
The present invention relates to a kind of car light total reflection dipped beam combination module, belong to car light technical field.
Background technology
Along with the application of LED light source in car light, there is huge change in the PES of originally single bulb source or reflective dipped beam module.For entry level, middle rank and senior dipped beam performance requirement, be all that the different PES of corresponding exploitation is to meet different levels necessitate in the past.The development amount done like this is larger, and moulding is single, is generally the lens moulding of circle or squarish, and obviously this can not adapt to the requirement of client in the future to dipped beam module.Increasing client starts to be weary of dipped beam model form single in the past, and starts the moulding seeking some novel, changeable, personalized and scientific and technological senses.
From the utilization ratio in space, the critical optical part of current distributing dipped beam module is three independently parts, as shown in Figure 1, lens diameter φ about 40mm, the cumulative volume of module is limited, and all need corresponding mounting structure to be assemblied on module due to speculum, baffle plate and lens, cause current dipped beam modular volume comparatively large, in limited lamp body space, flexible arrangement cannot go out various moulding.
From the utilization ratio of light, see Fig. 1, the critical optical components of current dipped beam module is generally made up of opticators such as speculum, baffle plate and lens, be difficult to realize seamless connection between three parts, have many light to lose in centre, final not break forth from lens, and the multiple risks repeatedly reflecting and reflect due to light, light efficiency is lower.
From the assembly precision of parts, see Fig. 1, the critical optical components of current dipped beam module adheres to different part body separately, and assembly precision not only affects by the machining accuracy of part, and affects also very large by installation accuracy.
Summary of the invention
The technical issues that need to address of the present invention are: existing car light dipped beam module, and volume is comparatively large, and in limited lamp body space, flexible arrangement cannot go out various moulding, space efficiency utilization is lower; Be difficult to realize seamless connection between speculum, baffle plate and lens three parts, have many light and lose in centre, final not break forth from lens, and the multiple risks repeatedly reflecting and reflect due to light, the utilization ratio of light is lower; Assembly precision is more difficult to be guaranteed; Fixing optical property grade can only be met.
The present invention takes following technical scheme:
A kind of car light total reflection dipped beam combination module, comprises the projector 1, light modulation support 2, radiator 3, LED circuit board 7, radiator up-down adjustment structure; Described radiator 3 is connected and fixed with LED circuit board 7, being connected and fixed with LED circuit board 7 of the described projector 1; Described light modulation support 2 is provided with the fulcrum for supporting the projector 1, when described radiator up-down adjustment mechanism carries out up-down adjustment, drives the described projector 1 to swing up and down adjustment around described fulcrum; The column part of a described projector 1 only profile rule, comprise the concentrator construction 11 of afterbody, the anti-dazzle plate structure 12 at middle part, the lens arrangement 13 of head, the diverging light that LED light source sends by described concentrator construction 11 converges, and form intersection point in front, at position of intersecting point, blocked by described anti-dazzle plate structure 12 and form dipped beam dead line, light is penetrated forward by described lens arrangement 13 again.
Further, light regulating bolt 4, light-adjusting nut 5 is also comprised, retaining reed 6; Described light modulation support 2 is provided with at least one cylindrical hole, described light regulating bolt 4 is through described cylindrical hole, by described retaining reed 6, described light regulating bolt 4 is fixed on described light modulation support 2, described light-adjusting nut 5 is arranged on described light regulating bolt 4 by screw thread pair, described radiator 3 is contained on described light-adjusting nut 5, and described LED circuit board 7 is positioned on described radiator 3 by the straight pin on the described projector 1.
Further, the described projector 1 profile is cylindrical structure, the tapered structure of its afterbody.
Further, the refractive index of the described projector 1 is greater than the refractive index of air, the light sent by the LED light source in described LED circuit board 7, when propagating in the described projector 1, light is irradiated on described concentrator construction 11, incidence angle is more than or equal to the cirtical angle of total reflection, is irradiated to light on described concentrator construction 11 without refraction, and whole light returns to projector inside to be continued to propagate.
Further, described light regulating bolt 4 bottom is provided with profile of tooth coiled hair, by the rotation of described profile of tooth coiled hair, transfer torque to described light regulating bolt 4 upper end, described light regulating bolt rotates and drives the light-adjusting nut 5 coordinated with it to move up and down, and described light-adjusting nut moves up and down and drives described radiator 3 to move up and down.
Further, the described projector 1 is provided with 2 coaxial pivot structures, and moving up and down of described radiator 1 drives the described projector 1 to rotate around the axis of described pivot structure.
Further, the dipped beam light efficiency of described total reflection dipped beam combination module is between 45%-50%.
Further, the pitch of described light regulating bolt 4 is 0.6mm, the light modulation precision 0.1 °/r of described car light total reflection dipped beam combination module.
Further, described car light total reflection dipped beam combination module compact, described projector diameter phi 20mm, long to equal or close to 81.5mm, widely to equal or close to 27.5mm, high in or close to 20mm, the fitted position of described total reflection dipped beam combination module is long to be equaled or close to 115.5mm, widely to equal or close to 27.5mm, high in or close to 48.5mm.
Further, the described projector 1 cross section is square that is circular or length of side 20mm.
Beneficial effect of the present invention is:
1) car light total reflection dipped beam combination modular volume significantly reduces, and flexible arrangement can go out various moulding in limited lamp body space, can realize the moulding that prior art cannot realize, space efficiency utilization significantly improves;
2) realize seamless connection between speculum, baffle plate and lens three parts, the loss of light after superrefraction and reflection is less, and the utilization ratio of light significantly promotes;
3) structure is simple, and assembly precision is guaranteed;
4) combined by the module of varying number, can reach the optical performance requirements of different brackets, optical property grade can regulate, and avoid for certain optical property grade and completely newly develop dipped beam module, the construction cycle is short;
5) structure is simple, and cost reduces, and reliability is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of car light dipped beam combination module in prior art.
Fig. 2 is the three-dimensional structure diagram of car light of the present invention total reflection dipped beam combination module.
Fig. 3 is that the light in the projector moves towards schematic diagram.
Fig. 4 is the combination shaping schematic diagram that the present invention is totally reflected dipped beam combination module.
In figure, the 1. projector, 2. light modulation support, 3. radiator, 4. light regulating bolt, 5. light-adjusting nut, 6. retaining spring, 7.LED circuit board, 11. concentrator construction, 12. anti-dazzle plate structures, 13. lens arrangements, 14. lens, 15. baffle plates, 16. speculums.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
As shown in Figure 2, embodiments provide a kind of total reflection dipped beam combination module, for the illumination of automobile, be placed in car headlamp.This total reflection dipped beam combination module comprises the projector 1, light modulation support 2, radiator 3, light regulating bolt 4, light-adjusting nut 5, retaining reed 6 and LED circuit board 7, the cylindrical hole of light regulating bolt 4 and light modulation support 2 coordinates, by retaining reed 6, light regulating bolt 4 and light modulation support 2 are fixed, light-adjusting nut 5 and light regulating bolt 4 are coordinated by screw thread pair, radiator 3 is enclosed within light-adjusting nut 5, coated with thermally conductive glue between LED circuit board 7 and radiator 3, LED circuit board 7 is positioned on radiator 3 by the straight pin of 2 on the projector 1, the projector 1 realizes buckle installation by 2 borehole structures of 2 circular shaft structures and light modulation support 2.This total reflection dipped beam combination module overall dimension is for being about 115.5mm, and wide about 27.5mm, height is 48.5mm about, compares the dipped beam module common at present volume that takes up room little.
This total reflection dipped beam combination module can realize finely tuning light up and down, and with the dipped beam horizontal cut line that aligns, its light adjusting system comprises light modulation support 2, light regulating bolt 4, light-adjusting nut 5 and retaining reed 6.Light modulation instrument is utilized to transfer torque to light regulating bolt 4 upper end by light regulating bolt 4 bottom profile of tooth coiled hair, light regulating bolt 4 rotates and drives the light-adjusting nut 5 coordinated with it to move up and down, light-adjusting nut 5 move up and down the axis of rotation driving radiator 3 and LED circuit board 7 fixed thereon, the projector 1 front end on the projector 1, thus realize finely tuning light up and down.
The pitch of light regulating bolt 4 is 0.6mm, and the light modulation precision of this total reflection dipped beam combination module can reach 0.1 °/r.
Dipped beam module common at present, generally be made up of independently critical optical parts such as concentrator or speculum part, shadow shield part and lens part, because its relative positional accuracy not only affects by respective machining accuracy, also affect by assembly precision, and these three critical optical of concentrator construction 11, anti-dazzle plate structure 12 and lens arrangement 13 are partially integrated in one by the projector 1 of the present embodiment total reflection dipped beam combination module, without the need to assembly process, under same machining accuracy, between optical texture relative positional accuracy high.
See Fig. 4, the LED of this total reflection dipped beam combination module is the single-chip LED that 250lm exports, and the output of single module on dipped beam 25m screen is between 110lm-115lm, and dipped beam light efficiency is between 45%-50%.Dipped beam exports total reflection dipped beam combination module can meet car headlamp dipped beam light distribution requirements by the combination of 6 quantity, wherein 4 total reflection dipped beam combination modules are mainly used in irradiating dipped beam broadening, and other 2 are mainly used in irradiating dipped beam dead line and center brightness.
When the dipped beam design carrying out different brackets optical property, 6 this total reflection dipped beam combination modules are carried out Combination Design, and dipped beam exports and can be between 660lm-690lm.7 this total reflection dipped beam combination modules are carried out Combination Design, and dipped beam exports and can be between 770lm-805lm.8 this total reflection dipped beam combination modules are carried out Combination Design, and dipped beam exports and can be between 880lm-920lm.
As shown in Fig. 2-Fig. 3, the concentrator construction 11 of light source on the projector 1 sent as the LED in LED circuit board 7 converges, and forms intersection point in front, at position of intersecting point, blocked by anti-dazzle plate structure 12 and form dipped beam dead line, light again scioptics structure 13 penetrates.
The projector 1 material of this total reflection dipped beam combination module can be PC.
This total reflection dipped beam combination module can be arranged by different spatial forms, realizes different dipped beam model form, and combines the compact of module, so can realize the matrix moulding of various shape due to this total reflection dipped beam.See Fig. 4,6 this total reflection dipped beam combination modules are angularly distributed around a certain center of circle on same circle, the circular matrix moulding shown in figure can be realized, because the diameter of the projector only has φ 20mm, so this moulding more personalized and science and technology sense.
This total reflection dipped beam combines module when locus is arranged, due to its compact, and spatially can flexible arrangement.Except above-mentioned circular matrix, square matrix, arc line shaped matrix, trapezoidal matrix or other irregular matrix modeling schemes can also be arranged to.
Claims (10)
1. a car light total reflection dipped beam combination module, is characterized in that:
Comprise the projector (1), light modulation support (2), radiator (3), LED circuit board (7), radiator up-down adjustment structure;
Described radiator (3) and LED circuit board (7) are connected and fixed, being connected and fixed with LED circuit board (7) of the described projector (1);
Described light modulation support (2) is provided with the fulcrum for supporting the projector (1), when described radiator up-down adjustment mechanism carries out up-down adjustment, drives the described projector (1) to swing up and down adjustment around described fulcrum;
The column part of the described projector (1) only profile rule, comprise the concentrator construction (11) of afterbody, the anti-dazzle plate structure (12) at middle part, the lens arrangement (13) of head, the diverging light that LED light source sends by described concentrator construction (11) converges, and form intersection point in front, at position of intersecting point, blocked by described anti-dazzle plate structure (12) and form dipped beam dead line, light is penetrated forward by described lens arrangement (13) again.
2. car light total reflection dipped beam combination module as claimed in claim 1, is characterized in that: also comprise light regulating bolt (4), light-adjusting nut (5), retaining reed (6); Described light modulation support (2) is provided with at least one cylindrical hole, described light regulating bolt (4) is through described cylindrical hole, by described retaining reed (6), described light regulating bolt (4) is fixed on described light modulation support (2), described light-adjusting nut (5) is arranged on described light regulating bolt (4) by screw thread pair, described radiator (3) is contained on described light-adjusting nut (5), and described LED circuit board (7) is positioned on described radiator (3) by the straight pin on the described projector (1).
3. car light total reflection dipped beam combination module as claimed in claim 1, is characterized in that: the described projector (1) profile is cylindrical structure, the tapered structure of its afterbody.
4. car light total reflection dipped beam combination module as claimed in claim 1, it is characterized in that: the refractive index of the described projector (1) is greater than the refractive index of air, the light sent by the LED light source in described LED circuit board (7), when propagating in the described projector (1), light is irradiated on described concentrator construction (11), incidence angle is more than or equal to the cirtical angle of total reflection, be irradiated to light on described concentrator construction (11) without refraction, whole light returns to projector inside to be continued to propagate.
5. car light total reflection dipped beam combination module as claimed in claim 2, it is characterized in that: described light regulating bolt (4) bottom is provided with profile of tooth coiled hair, by the rotation of described profile of tooth coiled hair, transfer torque to described light regulating bolt (4) upper end, described light regulating bolt rotates and drives the light-adjusting nut (5) coordinated with it to move up and down, and described light-adjusting nut moves up and down and drives described radiator (3) to move up and down.
6. car light total reflection dipped beam combination module according to claim 5, it is characterized in that: the described projector (1) is provided with 2 coaxial pivot structures, moving up and down of described radiator (1) drives the described projector (1) to rotate around the axis of described pivot structure.
7. car light total reflection dipped beam combination module according to claim 1, is characterized in that: the dipped beam light efficiency of described total reflection dipped beam combination module is between 45%-50%.
8. car light total reflection dipped beam combination module according to claim 1, is characterized in that: the pitch of described light regulating bolt (4) is 0.6mm, the light modulation precision 0.1 °/r of described car light total reflection dipped beam combination module.
9. car light total reflection dipped beam combination module according to claim 1, it is characterized in that: described car light total reflection dipped beam combination module compact, described projector diameter equals or close to φ 20mm, long to equal or close to 81.5mm, widely to equal or close to 27.5mm, high in or close to 20mm, the fitted position of described total reflection dipped beam combination module is long to be equaled or close to 115.5mm, widely to equal or close to 27.5mm, high in or close to 48.5mm.
10. the car light total reflection dipped beam combination module according to claim 1 or 9, is characterized in that: the described projector (1) cross section is the circle of diameter phi 20mm or the square of length of side 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071004.8A CN105546452B (en) | 2016-02-01 | 2016-02-01 | A kind of car light total reflection dipped beam combination module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071004.8A CN105546452B (en) | 2016-02-01 | 2016-02-01 | A kind of car light total reflection dipped beam combination module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105546452A true CN105546452A (en) | 2016-05-04 |
| CN105546452B CN105546452B (en) | 2018-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071004.8A Active CN105546452B (en) | 2016-02-01 | 2016-02-01 | A kind of car light total reflection dipped beam combination module |
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| Country | Link |
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| CN (1) | CN105546452B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018058885A1 (en) * | 2016-09-30 | 2018-04-05 | 武汉通畅汽车电子照明有限公司 | Condenser for low-beam vehicle light module |
| CN108397746A (en) * | 2018-04-13 | 2018-08-14 | 华域视觉科技(上海)有限公司 | Far and near photosystem based on light guide and car light |
| CN113028355A (en) * | 2021-03-23 | 2021-06-25 | 华域视觉科技(上海)有限公司 | Car light optical assembly, illumination optical device and vehicle |
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| JPS5385027A (en) * | 1977-01-05 | 1978-07-27 | Ducellier & Cie | Additional lighting system for use in vehicle or the like |
| US20100008080A1 (en) * | 2008-07-14 | 2010-01-14 | Martin Professional A/S | Power module drawer |
| CN204062774U (en) * | 2014-07-15 | 2014-12-31 | 华南理工大学 | A kind of dipped beam widens the total internal reflection type simple lens LED light device of light type |
| WO2015178155A1 (en) * | 2014-05-23 | 2015-11-26 | スタンレー電気株式会社 | Lens body, combined lens body, and vehicular lamp fitting |
| CN204829642U (en) * | 2015-08-11 | 2015-12-02 | 南通航大电子科技有限公司 | Environmental protection is light for car |
| CN205592822U (en) * | 2016-02-01 | 2016-09-21 | 上海小糸车灯有限公司 | Car light total reflection short -distance beam combination module |
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2016
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| JPS5385027A (en) * | 1977-01-05 | 1978-07-27 | Ducellier & Cie | Additional lighting system for use in vehicle or the like |
| US20100008080A1 (en) * | 2008-07-14 | 2010-01-14 | Martin Professional A/S | Power module drawer |
| WO2015178155A1 (en) * | 2014-05-23 | 2015-11-26 | スタンレー電気株式会社 | Lens body, combined lens body, and vehicular lamp fitting |
| CN204062774U (en) * | 2014-07-15 | 2014-12-31 | 华南理工大学 | A kind of dipped beam widens the total internal reflection type simple lens LED light device of light type |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018058885A1 (en) * | 2016-09-30 | 2018-04-05 | 武汉通畅汽车电子照明有限公司 | Condenser for low-beam vehicle light module |
| CN108397746A (en) * | 2018-04-13 | 2018-08-14 | 华域视觉科技(上海)有限公司 | Far and near photosystem based on light guide and car light |
| CN113028355A (en) * | 2021-03-23 | 2021-06-25 | 华域视觉科技(上海)有限公司 | Car light optical assembly, illumination optical device and vehicle |
| CN113028355B (en) * | 2021-03-23 | 2022-01-07 | 华域视觉科技(上海)有限公司 | Car light optical assembly, illumination optical device and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105546452B (en) | 2018-03-23 |
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