CN207762814U - Car light deep camber light guide and car light optics module - Google Patents
Car light deep camber light guide and car light optics module Download PDFInfo
- Publication number
- CN207762814U CN207762814U CN201721848537.9U CN201721848537U CN207762814U CN 207762814 U CN207762814 U CN 207762814U CN 201721848537 U CN201721848537 U CN 201721848537U CN 207762814 U CN207762814 U CN 207762814U
- Authority
- CN
- China
- Prior art keywords
- light
- light guide
- face
- car
- deep camber
- 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
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model is related to a kind of car light deep camber light guide and car light optics modules, for thin shell accessory, it sequentially smoothly connects from light inputting end to light extraction end via multiple flat segments and/or bending section, the side of the flat segments and bending section is fully reflecting surface, the radius of curvature of smooth joint is not less than 20mm, the thickness of the flat segments and bending section is 5mm 20mm, the incidence surface of the light guide is arranged on the end face of the light inputting end or one side, the end face at the light extraction end of the light guide is arranged in the light-emitting surface of the light guide, the end face at the light extraction end is light-emitting surface, it which is provided with the granular optical patterns of corn, the side of the flat segments and bending section is also provided with dentation decorative pattern and/or dermatoglyph.The utility model can be applied to deep camber light belt, three-dimensional lighting effect occasion, can efficiently realize complicated space light fitting shape effect.
Description
Technical field
The utility model is related to the optics modules of a kind of light guide and the use light guide, are primarily adapted for use in automobile lamp to reality
Existing free space moulding and three-dimensional lighting effect.
Background technology
Most of light guide of traditional Vehicular lamp realizes optical function using the sheet light guide of post shapes or rule,
The adaptability of corresponding moulding is poor, and complicated large curved surface moulding is often difficult to functionally go to realize.As lamps and lanterns are made
Type becomes increasingly complex, deep camber light belt, stereoscopic effect element constantly gush out, conventional strip column, regular sheet light guide due to from
It is more prominent to form larger this problem of constraint to modelling feature for body limitation.
Utility model content
The utility model is intended to provide a kind of car light deep camber light guide and car light optics module, can be applied to yeast
The occasion of rate light belt, three-dimensional lighting effect, efficiently realizes complicated light fitting shape effect.
The main technical schemes of the utility model have：
A kind of car light deep camber light guide is thin shell accessory, from light inputting end to light extraction end via multiple flat segments and/or
Bending section sequentially smoothly connects, and the side of the flat segments and bending section is fully reflecting surface, the incidence surface of the light guide
It is arranged on the end face of the light inputting end or one side, the light-emitting surface of the light guide is arranged at the end at the light extraction end of the light guide
Face.
The radius of curvature of smooth joint is preferably not less than 20mm.
The end face at the light extraction end is light-emitting surface, is preferably provided with the granular optical patterns of corn thereon.
The thickness of the flat segments and bending section can be 5mm-20mm.
The flat segments are preferably that uniform throughout is consistent with the thickness of bending section.
The car light deep camber light guide can be the straight cylinder of sheet, the light inputting end and light extraction end be located at before,
Both ends afterwards, plain line of straight cylinder or so extend；Alternatively, the car light deep camber light guide may be closing or not closed ring
Shape, the light inputting end and light extraction end are located at front and rear ends, and rotation centerline is front and back to be extended.
Several decorative pattern units can be equipped on the end face of the light inputting end, the surface of each decorative pattern unit is that a space is revolved
Turn curved surface, the bottom of the core recess of the surface of revolution, core is convex outward, and the side wall of core is toroidal surface, should
The periphery of surface of revolution is the total reflection paraboloid of evagination, and the total reflection paraboloid is with the toroidal surface in front end
Intersection, the core sunk surface are incidence surface；Alternatively, several local dents can be equipped on the one side of the light inputting end
The curved surface of curved surface, the recess is incidence surface, and the end face of the light inputting end is smooth total reflection curved surface, passes through total reflection song
Face, the deflection of light being refracted into through incidence surface are propagated to the back-end.
The side of the flat segments and bending section is also provided with dentation decorative pattern and/or dermatoglyph.
A kind of car light optics module, including the plurality of LEDs being arranged on wiring board, wiring board and above-mentioned car light yeast
Rate light guide, the wiring board are relatively fixed setting with the light guide, and the wiring board is close to the light inputting end of the light guide, the light
The incidence surface led is arranged on the end face of the light inputting end or one side, and the light-emitting surface of the light guide is the light extraction end of the light guide
End face, the incidence surface of the light-emitting surface of the LED towards the light guide.
Plurality of LEDs can along "-" type or it is arc-shaped be alternatively arranged, per LED and an incidence surface face.
The utility model has the beneficial effects that：
The light guide of the utility model is deep camber, irregular form sheet light guide, since itself has song complicated and changeable
Region feature, therefore the moulding needs of the irregular free form surface of lamps and lanterns can be suited, to reduce for light belt moulding demand and
Constraint, and moulding characteristic complicated and changeable is can adapt to, it can preferably realize optical effect.
The utility model using direct-injection type with it is reflective, pass through the coupling of incidence surface and fully reflecting surface, realization light
Gather propagation, to reduce light loss of energy.
The utility model realizes that different curvature is made by the control for light inputting end incident ray, light extraction end emergent ray
Type feature.Wherein by the way that the processing of decorative pattern or dermatoglyph is arranged in side, to realize three-dimensional lighting effect, to reduce optics reality
The constraint that existing mode designs light fitting shape so that complicated spatial modelling feature also can be realized smoothly.Wherein decorative pattern
Form and position setting are flexible, can be set completely according to moulding demand, thus can effectively push light fitting shape towards
The paces of three-dimensional advance.
Description of the drawings
Fig. 1 is the dimensional structure diagram of one embodiment of the car light optics module of the utility model；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the partial enlarged view for the structure that incidence surface is arranged on the end face of light guide light inputting end；
Fig. 4 is the dimensional structure diagram of second embodiment of the car light optics module of the utility model；
Fig. 5 is the sectional view of Fig. 4；
Fig. 6 is the partial enlarged view for the structure that incidence surface is arranged on the one side of light guide light inputting end；
Fig. 7 is the dimensional structure diagram of the third embodiment of the car light optics module of the utility model；
Fig. 8 is the sectional view of Fig. 7；
Fig. 9 is the dimensional structure diagram of the 4th embodiment of the car light optics module of the utility model；
Figure 10 is the partial sectional view of the light guide of Fig. 9.
Reference numeral：1. light guide；11. the bottom of core；12. the side wall of core；13. the periphery of surface of revolution；14. recess
Curved surface；15. being totally reflected curved surface；17a, 17b. dentation decorative pattern；18. dermatoglyph；2. wiring board；3.LED；4. optical patterns.
Specific implementation mode
As Figure 1-10 shows, the utility model discloses a kind of car lights with deep camber light guide 1 (abbreviation light guide), is shell
Part sequentially smoothly connects from light inputting end to light extraction end via multiple flat segments and/or bending section, the flat segments and
The side of bending section is fully reflecting surface.The incidence surface of the light guide can be arranged in the end face of the light inputting end or one side
On, the light-emitting surface of the light guide is then arranged on the end face at the light extraction end of the light guide.
The light that light source projects enters the light guide through light inputting end, through multiple total reflection inside light guide, finally from light extraction end
It projects.
The radius of curvature (fillet R1, R2, R3 of the moulding bending i.e. in figure) of smooth joint is preferably not less than 20mm.
The end face at the light extraction end is light-emitting surface, can be equipped with the granular optical patterns 4 of corn thereon, be used for the expansion of light
It dissipates.
The thickness of the flat segments and bending section is preferably 5mm-20mm, had both been avoided that and has been missed too because light channel is narrow
More light, but be avoided that keeps light diffusion serious because light channel is wide, so as to better ensure that the utilization rate of light source.
The flat segments are preferably that uniform throughout is consistent with the thickness of bending section.
The car light deep camber light guide can be that the straight cylinder of sheet the light inputting end and goes out as shown in Fig. 1,2,4,5
Light end is located at front and rear ends, and plain line of straight cylinder or so extends, and correspondingly, the flat segments and bending section have 4 sides
Face, wherein being up and down 2 larger sides.
The car light deep camber light guide may be closing or not closed ring-type, such as Fig. 7, not close shown in 9
Annular light guide, thickness control is in 5mm~20mm.The light inputting end and light extraction end are located at front and rear ends, rotation centerline
Front and back extension, correspondingly, only bending section.There are 4 sides for not closed circular, wherein be up and down inside and outside 2 larger sides,
There was only 2 sides up and down for closed circular, is medial surface and lateral surface respectively.In fact, car light deep camber light guide
It is not limited to above-mentioned two major classes structure type.In principle, as long as multistage flat segments and/or bending section sequentially smoothly connect and
At on the whole it can be arbitrary space curved surface moulding.
Fig. 1,2,3 show one embodiment that incidence surface is arranged on the end face of the light inputting end.The light inputting end
End face is equipped with several decorative pattern units, and the surface of each decorative pattern unit is a Space Rotating curved surface, the core of the surface of revolution
The bottom 11 of recess, core is convex outward, and the side wall 12 of core is toroidal surface, and the periphery 13 of the surface of revolution is outer
Convex total reflection paraboloid, the total reflection paraboloid intersect with the toroidal surface in front end, the core recess
Surface is incidence surface.
Fig. 4,5,6 show one embodiment that incidence surface is arranged on the one side of the light inputting end.The light inputting end
One side be equipped with the curved surfaces 14 of several local dents, the curved surface of the recess is incidence surface, and the end face of the light inputting end is flat
Sliding total reflection curved surface 15, by the total reflection curved surface, the deflection of light that light guide is refracted into through incidence surface is propagated to the back-end.
In any of the above guide structure pattern, the light-emitting zone of light guide in end (i.e. the end face at light extraction end), and due to
What light passed through in light guide internal communication is all total reflection effect, so light guide side does not have light injection, therefore light guide side is not
It will appear luminescence phenomenon.
To realize that three-dimensional lighting effect, the utility model also proposed another structural shape, i.e., the described flat segments and
The side of bending section is additionally provided with dentation decorative pattern and/or dermatoglyph.By carrying out different processing to light pipe side wall, part can be made
Light overflows light pipe, to achieve the effect that solid.
By taking ring-shaped light guide card as an example, as shown in Figures 9 and 10, can according to moulding demand on the inside of light pipe, outside or
Dentation decorative pattern 17a, 17b is arranged in inside and outside bilateral, or increases dermatoglyph 18.Wherein the thickness of dermatoglyph similar to K27~K31 series not
Deng.
It is irradiated on dentation decorative pattern or the dermatoglyph on side wall along the light d1 of light pipe axis propagation, since it is to light
Deviation effect cause some light d2 along side wall project light pipe, formed light-emitting zone；And other part light d3 is in side wall
Total reflection effect occurs, continues, along axis propagation, finally to project light pipe by end.
By the effect of side wall dentation decorative pattern and dermatoglyph, the effect that side wall is lighted can be realized.And the form of side wall decorative pattern
And position is more flexible, such as can be regular strip as shown in the figure, can also be the dotted of irregular distribution, it can be with
Free arrangement forms arbitrary graphic pattern on side, coordinates the space curved surface feature of light guide again in a word, disclosure satisfy that various
Spatial modelling demand.
The invention also discloses a kind of car light optics modules, including more be arranged on wiring board 2, wiring board
LED3 and car light deep camber light guide 1, the wiring board are relatively fixed setting with the light guide, and the wiring board leans on
The light inputting end of the nearly light guide, the incidence surface of the light guide are arranged on the end face of the light inputting end or one side, the light guide
Light-emitting surface be the light guide light extraction end end face, the incidence surface of the light-emitting surface of the LED towards the light guide.
Plurality of LEDs along "-" type or it is arc-shaped be alternatively arranged, the shape that is formed is set into on the light guide after arrangement
The extension shape on the surface of smooth surface is close.Every LED and an incidence surface face.
Fig. 1,2 show a kind of direct-injection type car light optics module realized using deep camber sheet light guide, by side by side
Plurality of LEDs direct projection emits beam a, in sheet light guide inner full-reflection, to ensure that light can be projected from light pipe end.
Fig. 3 show a kind of direct-injection type car light optics module realized using deep camber sheet light guide, the portion that LED is sent out
A light splitter part is injected inside light pipe by the bottom 11 of core and is propagated along optical axis direction, and a part of light passes through core
Side wall 12 be refracted into inside light guide, then penetrated along optical axis direction after the total reflection effect deviation for passing through the periphery 13 of surface of revolution
Enter light pipe.The periphery of surface of revolution is total reflection parabolic, and focal length is preferably 2mm~8mm, the smaller total reflection of mid-focal length
Light is also more assembled, and capacity usage ratio is higher.By the above-mentioned design of the light inputting end to the light guide, incidence surface and total reflection
The coupling in face can realize the focusing for just penetrating light, ensure the utilization rate of light source.
Fig. 4,5 are shown a kind of reflective car light realized using deep camber sheet light guide and use up module.Different from straight
Formula mode is penetrated, the light of LED light source is preferably normal to light guide optical axis direction and enters from a side incidence of light guide light inputting end
It penetrates, by being totally reflected the total reflection effect of curved surface, Propagations of the light b along light pipe.Wherein with the light pipe of direct manner
Similar, the thickness control of light guide is controlled in 5mm~20mm, the fillet R2 of moulding bending in R>20mm.
Fig. 6 is shown a kind of reflective car light realized using deep camber sheet light guide and uses up module.It is leaned in light pipe
Nearly LED incidence positions, the curved surface 14 for making local dent are used as incidence surface, the total reflection curved surface 15 that incident ray passes through end
Total reflection effect, by deflection of light to light pipe axial direction, to realize propagation of the light inside light pipe.According to not
With signal lamp functional requirement, corn shape optical patterns 4 can be set in sheet light guide end, be used for the diffusion of light.
By taking annular light guide as an example, as shown in Figure 7,8, LED circuit board upper annular is distributed plurality of LEDs, and wiring board is arranged in ring
The front of shape light guide, the light c that LED is sent out are propagated in an axial direction by the total reflection effect of the inside of light guide, and by being arranged in
The corn granular pattern of ring-shaped light guide card end is diffused, and realizes signal lamp function.Wherein, in order to ensure being all-trans for light
It penetrates, the fillet R3 of moulding bending is controlled in R>20mm.In addition, the structure of light guide light inputting end is consistent with the direct-injection type mode of Fig. 3.
This specification so-called " axis ", " axial direction ", " optical axis direction " refer both to the direction that light is propagated in light guide.
The utility model has the degree of freedom of apparent moulding construction compared to the light guide of traditional form, disclosure satisfy that complexity
Changeable modelling feature demand.
Claims (10)
1. a kind of car light deep camber light guide, it is characterised in that：For thin shell accessory, put down from light inputting end to light extraction end via multiple
Straight section and/or bending section sequentially smoothly connect, and the side of the flat segments and bending section is fully reflecting surface, the light guide
Incidence surface be arranged on the end face of the light inputting end or one side, the light extraction in the light guide is arranged in the light-emitting surface of the light guide
The end face at end.
2. car light as described in claim 1 deep camber light guide, it is characterised in that：The radius of curvature of smooth joint is not less than
20mm。
3. car light as described in claim 1 deep camber light guide, it is characterised in that：The end face at the light extraction end is light-emitting surface,
It which is provided with the granular optical patterns of corn.
4. car light as described in claim 1 deep camber light guide, it is characterised in that：The thickness of the flat segments and bending section is
5mm-20mm。
5. car light as described in claim 1 deep camber light guide, it is characterised in that：The thickness of the flat segments and bending section is each
Locate uniformity.
6. the car light deep camber light guide as described in any one of claim 1-5 claims, it is characterised in that：It is piece
The straight cylinder of shape, the light inputting end and light extraction end are located at front and rear ends, and plain line of straight cylinder or so extends；Alternatively, it is
Closing or not closed ring-type, the light inputting end and light extraction end are located at front and rear ends, and rotation centerline is front and back to be extended.
7. car light as claimed in claim 6 deep camber light guide, it is characterised in that：The end face of the light inputting end is equipped with several
The surface of decorative pattern unit, each decorative pattern unit is a Space Rotating curved surface, and the core of the surface of revolution is recessed, the bottom of core
Side wall for convex outward, core is toroidal surface, and the periphery of the surface of revolution is the total reflection paraboloid of evagination, described
Total reflection paraboloid intersects with the toroidal surface in front end, and the core sunk surface is incidence surface；Alternatively, described
The one side of light inputting end is equipped with the curved surface of several local dents, and the curved surface of the recess is incidence surface, the end face of the light inputting end
For smooth total reflection curved surface, by the total reflection curved surface, the deflection of light being refracted into through incidence surface is propagated to the back-end.
8. car light as claimed in claim 7 deep camber light guide, it is characterised in that：The side of the flat segments and bending section is also
Equipped with dentation decorative pattern and/or dermatoglyph.
9. a kind of car light optics module, it is characterised in that：Including the plurality of LEDs being arranged on wiring board, wiring board and right
It is required that the car light deep camber light guide described in any one of 1-8 claims, the wiring board are relatively fixed with the light guide
Setting, the wiring board close to the light guide light inputting end, the incidence surface of the light guide be arranged in the end face of the light inputting end or
On one side, the light-emitting surface of the light guide is the end face at the light extraction end of the light guide, and the light-emitting surface of the LED is towards the light guide
Incidence surface.
10. car light optics module as claimed in claim 9, it is characterised in that：Plurality of LEDs is along "-" type or arc-shaped interval
Arrangement, every LED and an incidence surface face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848537.9U CN207762814U (en) | 2017-12-26 | 2017-12-26 | Car light deep camber light guide and car light optics module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848537.9U CN207762814U (en) | 2017-12-26 | 2017-12-26 | Car light deep camber light guide and car light optics module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207762814U true CN207762814U (en) | 2018-08-24 |
Family
ID=63184817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721848537.9U Active CN207762814U (en) | 2017-12-26 | 2017-12-26 | Car light deep camber light guide and car light optics module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207762814U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975755A (en) * | 2017-12-26 | 2018-05-01 | 上海小糸车灯有限公司 | Car light is with deep camber light guide and car light optics module |
| CN109282237A (en) * | 2018-09-25 | 2019-01-29 | 华域视觉科技(上海)有限公司 | A kind of lamps and lanterns and its lighting control method |
| CN109708072A (en) * | 2018-12-19 | 2019-05-03 | 马瑞利汽车零部件(芜湖)有限公司 | The optical system of large scale light guide with free form surface light-emitting surface |
-
2017
- 2017-12-26 CN CN201721848537.9U patent/CN207762814U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975755A (en) * | 2017-12-26 | 2018-05-01 | 上海小糸车灯有限公司 | Car light is with deep camber light guide and car light optics module |
| CN109282237A (en) * | 2018-09-25 | 2019-01-29 | 华域视觉科技(上海)有限公司 | A kind of lamps and lanterns and its lighting control method |
| CN109282237B (en) * | 2018-09-25 | 2024-03-22 | 华域视觉科技(上海)有限公司 | Lamp and lighting control method thereof |
| CN109708072A (en) * | 2018-12-19 | 2019-05-03 | 马瑞利汽车零部件(芜湖)有限公司 | The optical system of large scale light guide with free form surface light-emitting surface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107975755A (en) | Car light is with deep camber light guide and car light optics module | |
| CN107893963B (en) | Light optical system for vehicle | |
| TWI420166B (en) | Light guide unit and light source module | |
| CN106066020A (en) | Auto lamp | |
| CN207762814U (en) | Car light deep camber light guide and car light optics module | |
| JP2006522442A (en) | Tail lamps, especially rear stop lamps for cars | |
| US20170267163A1 (en) | Vehicle decorative lighting device and vehicle lamp | |
| CN104534379A (en) | Automotive light | |
| CN214198514U (en) | Vehicle lamp lighting system and thick-walled member | |
| CN104696846A (en) | LED optical structure for car lamps | |
| US10955100B2 (en) | Light emitting module with light guide plate for automotive headlight | |
| US11512832B2 (en) | Light bulb and crystal lamp | |
| CN104791714A (en) | Light collecting and guiding machine | |
| CN203202909U (en) | LED condensing lens with reflecting cover and scattering layer | |
| CN108626679B (en) | Light guide-based light source assembly for motor vehicle | |
| CN212618072U (en) | Automobile optical signal device | |
| WO2022110760A1 (en) | High-beam optical element, high-beam lighting unit, vehicle lamp and vehicle | |
| CN109708072B (en) | Large-size light guide optical system with free-form surface light-emitting surface | |
| TWM462330U (en) | Light apparatus with curved surface structure | |
| CN113898922A (en) | Optical pattern structure and automobile signal lamp | |
| CN208222386U (en) | A kind of light source assembly for motor vehicles based on light guide | |
| TWM578246U (en) | Multi-mapping vehicular lamp | |
| CN220169248U (en) | Car lamp and optical structure of dual-function multiplexing thick-wall part thereof | |
| CN213656636U (en) | Steering lamp, position lamp and brake lamp combined automobile tail lamp | |
| US12000565B1 (en) | Illuminating lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |