CN109539177A - A kind of butterfly-like light guide sheet and its method for realizing car light signal lamp large area light emitting - Google Patents
A kind of butterfly-like light guide sheet and its method for realizing car light signal lamp large area light emitting Download PDFInfo
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- CN109539177A CN109539177A CN201910016402.3A CN201910016402A CN109539177A CN 109539177 A CN109539177 A CN 109539177A CN 201910016402 A CN201910016402 A CN 201910016402A CN 109539177 A CN109539177 A CN 109539177A
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- Prior art keywords
- light guide
- light
- butterfly
- strip
- reflecting surface
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- 238000000034 method Methods 0.000 title claims description 7
- 230000001795 light effect Effects 0.000 claims abstract description 20
- 230000011218 segmentation Effects 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 14
- 238000009792 diffusion process Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 10
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 229920005372 Plexiglas® Polymers 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241001442589 Convoluta Species 0.000 description 1
- 241000256259 Noctuidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention relates to a kind of butterfly-like light guide sheet, including lateral light guide section, a pair being connected with lateral light guide section distinguishes inclined inclination light guide section up and down；It is plane of incidence on rear side of lateral light guide section；Inclination light guide section includes one section of flat part for having the bending section of curvature and being connected with bending section and extending；The front side of bending section has the first fully reflecting surface, and the front side of flat part is the second fully reflecting surface, rear side is third fully reflecting surface；The front end of flat part is tapered；It is the first strip patterned surface on the outside of the front end of flat part, inside is the second strip patterned surface, and the strip segmentation of the first strip patterned surface and one of the strip segmentation of the second strip patterned surface are vertical with the face YOZ, another parallel with the face YOZ；First fully reflecting surface and the first strip patterned surface cooperate, and play light reflection to the second strip patterned surface, form high bright light effect；Second fully reflecting surface, third fully reflecting surface form low bright light effect.
Description
Technical field
The present invention relates to a kind of car light guiding bodies, specifically, are a kind of butterfly-like light guide sheets and its realize car light signal
The method of lamp large area light emitting.
Background technique
Car light front-rear position lamp function light-emitting surface be open larger (30mm or more) the case where, frequently with light emitting species be more
Arrange LED direct projection milky dispersed material part or multiple rows of LED after primary event mirror direct projection milky dispersed material part or
Transparent PC material part with dermatoglyph particle, program LED quantity is double at high cost, and more uniform lights effect to realize
Fruit, LED and light-emitting surface or reflecting mirror and light-emitting surface longitudinal space require greatly, while it is more dull to light effect.
Summary of the invention
The object of the present invention is at high cost, the longitudinal space demand for current car lights field realization large area light emitting
Big problem, provides a kind of butterfly-like light guide sheet realization car light signal lamp large area light emitting scheme, and required LED number is few simultaneously
Saving longitudinal inner space keeps its compact small and exquisite, which may be implemented timing and light effect, make vehicle
Lamp is rich in technology sense.
The present invention takes following technical scheme:
A kind of butterfly-like light guide sheet, section of the butterfly-like light guide sheet in the face for being parallel to the face XOZ are in the herringbone of accumbency；
Including lateral light guide section, a pair being connected with lateral light guide section distinguishes inclined inclination light guide section up and down；It is laterally guide-lighting
It is plane of incidence 1 on rear side of portion；The inclination light guide section includes one section and has the bending section of curvature and be connected simultaneously with the bending section
The flat part of extension；The front side of the bending section has the first fully reflecting surface 2, the front side of flat part be the second fully reflecting surface 6, after
Side is third fully reflecting surface 7；The front end of the flat part is tapered；It is the first strip patterned surface on the outside of the front end of flat part
4, inside is the second strip patterned surface 5, the strip segmentation of the strip segmentation of the first strip patterned surface 4 and the second strip patterned surface 5
One of them is vertical with the face YOZ, another parallel with the face YOZ；First fully reflecting surface 2 and the first strip patterned surface 4 cooperate, and make
Light reflection is beaten to the second strip patterned surface 5, and high bright light effect is formed；Second fully reflecting surface 6, third fully reflecting surface 7
Form low bright light effect.
Further, the lateral light guide section is that the light guide is interior to match 0 with a thickness of 3.5mm with 0 in light guide.
Further, lateral light guide section is equipped with multiple light sources 8 along Y-direction.
Further, lateral light guide section is equipped with prefabricated matched round strip light guide 10 along Y-direction.
Further, 2 tilt angle of the first fully reflecting surface is 45 °, wide 6mm.
Further, first fully reflecting surface 2 puts the first strip patterned surface 4 of oblique light guide section side with inclining where it
In parallel.
Further, the segmentation of the first strip patterned surface 4 has the vertical bar decorative pattern vertical with the face YOZ, the Article 2
Segmentation has the cross-over style parallel with the face YOZ on shape patterned surface 5.
Further, the vertical bar decorative pattern, cross-over style are 1.5mm width, and vertical bar decorative pattern, cross-over style segmentation can be mutual
Change place, i.e., outside is cross-over style, inside is vertical bar decorative pattern.
It further, is the transparent PC material with higher light transmittance with material in the butterfly-like light guide sheet, second is complete
Reflecting surface 6, third fully reflecting surface 7 are equipped with dermatoglyph particle；Alternatively, produced in the butterfly-like light guide sheet with material for Evonik
PLEXIGLAS LED 8N LD12, the transparent PMMA light curtain material of LD24, LD48, LD96, the material itself, which has, scatters light spy
Property.
A kind of method that above-mentioned butterfly-like light guide sheet realizes signal lamp large area light emitting, by adjusting the arc of vertical bar decorative pattern
Degree, to control the high bright light effect zonal ray horizontal direction i.e. diffusion of Y-direction；By adjusting the radian of cross-over style, come
Control light high bright light effect region vertical direction, that is, Z-direction diffusion；The dermatoglyph of second fully reflecting surface, third fully reflecting surface
Particle or part itself scatter light characteristic realize the big light-emitting surface of the second fully reflecting surface 6 uniformly it is low it is bright light effect,
First strip patterned surface, the second strip patterned surface realize that the small light-emitting surface of the second strip patterned surface 5 is equal under controlled diffusion degree
It is even highlighted to light effect.
The beneficial effects of the present invention are:
1) large area light emitting and the big light-emitting surface butterfly-like leaded light that uniformly low bright, small light-emitting surface uniformly highlights are realized with a low cost
Match in vivo；Required LED number is few while saving longitudinal inner space.
2) light is angled into the plane of incidence and is totally reflected inside it, later by two sections of fully reflecting surfaces by light to
Upper and downward deviation, beaten after persistently total reflection is propagated at the wing later on top right-hand side and bottom right side vertical bar patterned surface then to
The cross-over style face reflecting light of direction of traffic forms highlighted lighting effect, and front-back has dermatoglyph to form low bright spot at upper and lower wing
Lamp effect.
3) fully reflecting surface and outside vertical bar patterned surface cooperate up and down, play light reflection to inside cross-over style face
On, by adjusting vertical bar decorative pattern radian, it can control light level direction i.e. Y-direction diffusion angle；
4) outside vertical bar patterned surface and inside cross-over style face cooperate, and make light refraction to direction of traffic, pass through tune
Whole cross-over style radian can control light vertical direction i.e. Z-direction diffusion angle；
5) cooperate eventually by vertical bar patterned surface, cross-over style face above and below wing and realize equalizing light rays and meet anteroposterior position
Set lamp light distribution laws and regulations requirement, realize big light-emitting surface by dermatoglyph particle or part itself to scatter light characteristic uniformly low bright, small
Light-emitting surface uniformly highlights by vertical bar patterned surface, the cooperation of cross-over style face and lights effect.
6) structure is simple, modern design, and longitudinal space compact layout realizes big light-emitting surface uniformly low bright, small light-emitting surface
Uniformly highlighted uniqueness lights effect, and plurality of LEDs can also realize that timing lights effect, makes car light rich in technology sense.
Detailed description of the invention
Fig. 1 is the butterfly-like light guide sheet stereoscopic schematic diagram of the present invention.
Fig. 2 is the three-dimensional signal in embodiment one, after the light source module group assembly of butterfly-like light guide sheet and multiple light sources composition
Figure.
Fig. 3 is the stereoscopic schematic diagram in embodiment two, after butterfly-like light guide sheet and circle strip light guide assembly.
In figure, match in 0. light guide, 1. planes of incidence, 2. first fully reflecting surfaces, at 3. wings, 4. first strip patterned surfaces,
5. the second strip patterned surface, 6. second fully reflecting surfaces, 7. third fully reflecting surfaces, 8. light sources, 9. illuminating sources, 10. circle strips
Light guide, 13. brackets.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific examples.
Embodiment one:
Referring to Fig. 1-2, a kind of butterfly-like light guide sheet, section of the butterfly-like light guide sheet in the face for being parallel to the face XOZ is in cross
Sleeping herringbone；Including lateral light guide section, inclined inclination is guide-lighting up and down for a pair of of the difference being connected with lateral light guide section
Portion；It is plane of incidence 1 on rear side of lateral light guide section；It is described inclination light guide section include one section with curvature bending section and with it is described curved
The flat part that pars convoluta is connected and extends；The front side of the bending section has the first fully reflecting surface 2, and the front side of flat part is second complete
Reflecting surface 6, rear side are third fully reflecting surface 7；The front end of the flat part is tapered；It is first on the outside of the front end of flat part
Strip patterned surface 4, inside are the second strip patterned surface 5, the strip segmentation of the first strip patterned surface 4 and the second strip patterned surface 5
One of strip segmentation it is vertical with the face YOZ, it is another parallel with the face YOZ；First fully reflecting surface 2 and the first strip patterned surface 4
It cooperates, plays light reflection to the second strip patterned surface 5, form high bright light effect；Second fully reflecting surface 6,
Three fully reflecting surfaces 7 are equipped with dermatoglyph particle, form low bright light effect.
In this embodiment, referring to Fig. 1, the transverse direction light guide section is that the light guide is interior to match 0 thickness with 0 in light guide
For 3.5mm.
In this embodiment, referring to fig. 2, lateral light guide section is equipped with multiple light sources 8 along Y-direction.
In this embodiment, referring to fig. 2,2 tilt angle of the first fully reflecting surface is 45 °, wide 6mm.
In this embodiment, referring to fig. 2, first fully reflecting surface 2 and inclining where it put the of oblique light guide section side
One strip patterned surface 4 is parallel.
In this embodiment, referring to fig. 2, the segmentation of the first strip patterned surface 4 has the vertical bar decorative pattern vertical with the face YOZ,
Segmentation has the cross-over style parallel with the face YOZ on the second strip patterned surface 5.Principles and methods are as follows: with continued reference to Fig. 1, light
Line is angled into the plane of incidence 1 and is totally reflected inside it, by two sections of fully reflecting surfaces 2 that light is inclined up and down later
Folding is beaten on top right-hand side and bottom right side the first strip patterned surface 4 (vertical bar decorative pattern) after 3 lasting total reflection propagation at wing later
Then highlighted lighting effect is formed to second strip patterned surface 5 (cross-over style) reflecting light of direction of traffic, at upper and lower wing
Front-back 6,7 has dermatoglyph to form low bright spot lamp effect.Upper and lower fully reflecting surface 2 cooperates with the first strip of the right patterned surface 4, makes
Light reflection is beaten to the left side the second strip patterned surface 5 (cross-over style), by adjusting vertical bar decorative pattern radian, can control light
Horizontal direction, that is, Y-direction diffusion angle；The right the first strip patterned surface 4 and the second strip of left side patterned surface 5 cooperate, and make light
Direction of traffic is refracted to, by adjusting cross-over style radian, can control light vertical direction i.e. Z-direction diffusion angle；It is final logical
Crossing wing, vertical bar patterned surface, the cooperation of cross-over style face realize equalizing light rays and meet front-rear position lamp light distribution regulation and want up and down
It asks, realizing big light-emitting surface 6, uniformly low bright, small light-emitting surface 5 is uniformly high by vertical bar patterned surface, the cooperation of cross-over style face by dermatoglyph particle
The bright effect of bright spot.It is uniformly low bright, small to realize big light-emitting surface for the configuration of the present invention is simple, modern design, longitudinal space compact layout
The uniqueness that light-emitting surface uniformly highlights lights effect, and plurality of LEDs can also realize that timing lights effect, makes car light rich in technology sense.
In this embodiment, the vertical bar decorative pattern, cross-over style are 1.5mm width, and vertical bar decorative pattern, cross-over style segmentation can
Transposition, i.e., outside is cross-over style, inside is vertical bar decorative pattern.It is not indicated in figure.
It in this embodiment, is the transparent PC material with higher light transmittance with material in the butterfly-like light guide sheet；Or
Person, interior PLEXIGLAS LED 8N LD12 with material for Evonik production of the butterfly-like light guide sheet, LD24, LD48, LD96
Transparent PMMA light curtain material, the material itself, which has, scatters light characteristic, cancels the upper underwing that the fully reflecting surface closes at this time
The dermatoglyph particle of front-back 6,7 at wing.
Referring to fig. 2, including multiple light sources 8, plating aluminum frame or similar spray-coated white paint bracket 11, shading decorative circle 12 and the butterfly
Butterfly-shaped light guide 0.Plating aluminum frame or similar spray-coated white paint bracket 11 play certain reflection light action and appearance shield inner body
Effect, shading decorative circle 12 plays the role of blocking light source 8, while avoiding stray light directive direction of traffic.
This butterfly-like light guide sheet, by adjusting the radian of vertical bar decorative pattern, is come when realizing signal lamp large area light emitting function
Control the high bright light effect zonal ray horizontal direction i.e. diffusion of Y-direction；By adjusting the radian of cross-over style, to control light
Line high bright light effect region vertical direction, that is, Z-direction diffusion；Second fully reflecting surface, third fully reflecting surface dermatoglyph particle or
Person's part itself scatter light characteristic realize the big light-emitting surface of the second fully reflecting surface 6 uniformly it is low it is bright light effect, first
Shape patterned surface, the second strip patterned surface realize that the small light-emitting surface of the second strip patterned surface 5 uniformly highlights under controlled diffusion degree
Light effect.
Embodiment two:
Referring to Fig. 3, the present embodiment and embodiment one the difference is that: lateral light guide section is equipped with prefabricated matching along Y-direction
Circle strip light guide 10.Butterfly-like light guide sheet is supported by the bracket 13 of spray-coated white paint aluminize or similar.
In the present embodiment, circle 10 right side geared surface of strip light guide, by beam projecting to the optics of butterfly-like light guide 0
The plane of incidence 1, required light source is few while saving the shading decorative circle 12 in Fig. 2, and cost is very low.
Remaining structure and function implementation is the same as embodiment one.
Above two embodiments are the preferred embodiment of invention, and those of ordinary skill in the art can also be on this basis
Various transformation or improvement are carried out, under the premise of not departing from the present invention total design, these transformation or improves this all should belong to
Within the scope of invention is claimed.
Claims (10)
1. a kind of butterfly-like light guide sheet, it is characterised in that:
Section of the butterfly-like light guide sheet in the face for being parallel to the face XOZ is in the herringbone of accumbency；
Including lateral light guide section, a pair being connected with lateral light guide section distinguishes inclined inclination light guide section up and down；Laterally
It is plane of incidence (1) on rear side of light guide section；
The inclination light guide section includes one section of flat part for having the bending section of curvature and being connected and extend with the bending section；Institute
The front side for stating bending section has the first fully reflecting surface (2), and the front side of flat part is the second fully reflecting surface (6), rear side is that third is complete
Reflecting surface (7)；The front end of the flat part is tapered；It is the first strip patterned surface (4), inside on the outside of the front end of flat part
For the second strip patterned surface (5), the strip segmentation of the strip segmentation of the first strip patterned surface (4) and the second strip patterned surface (5)
One of them is vertical with the face YOZ, another parallel with the face YOZ；
First fully reflecting surface (2) and the first strip patterned surface (4) cooperate, and play light reflection to the second strip patterned surface
(5) on, high bright light effect is formed；
Second fully reflecting surface (6), third fully reflecting surface (7) form low bright light effect.
2. butterfly-like light guide sheet as described in claim 1, it is characterised in that: the transverse direction light guide section is to match (0) in light guide,
With (0) with a thickness of 3.5mm in the light guide.
3. butterfly-like light guide sheet as described in claim 1, it is characterised in that: lateral light guide section is equipped with multiple light sources along Y-direction
(8)。
4. butterfly-like light guide sheet as described in claim 1, it is characterised in that: lateral light guide section is equipped with prefabricated matched along Y-direction
Circle strip light guide (10).
5. butterfly-like light guide sheet as described in claim 1, it is characterised in that: the first fully reflecting surface (2) tilt angle is 45 °,
Wide 6mm.
6. butterfly-like light guide sheet as described in claim 1, it is characterised in that: first fully reflecting surface (2) and its where
Incline put oblique light guide section side the first strip patterned surface (4) it is parallel.
7. butterfly-like light guide sheet as claimed in claim 6, it is characterised in that: the first strip patterned surface (4) segmentation have with
The vertical vertical bar decorative pattern in the face YOZ, segmentation has the cross-over style parallel with the face YOZ on the second strip patterned surface (5).
8. butterfly-like light guide sheet as claimed in claim 7, it is characterised in that: the vertical bar decorative pattern, cross-over style are 1.5mm wide
Degree.
9. butterfly-like light guide sheet as claimed in claim 2, it is characterised in that: in the butterfly-like light guide sheet with material be with
The transparent PC material of higher light transmittance, second fully reflecting surface (6), third fully reflecting surface (7) are equipped with dermatoglyph particle；Alternatively,
It is saturating with PLEXIGLAS LED 8N LD12, LD24, LD48, LD96 that material is Evonik production in the butterfly-like light guide sheet
Bright PMMA light curtain material, the material itself, which has, scatters light characteristic.
10. a kind of method for realizing signal lamp large area light emitting using butterfly-like light guide sheet as claimed in claim 7, feature exist
In: by adjusting the radian of vertical bar decorative pattern, to control the diffusion of high bright light effect zonal ray horizontal direction；By adjusting
The radian of cross-over style, to control the diffusion of light high bright light effect region vertical direction；Second fully reflecting surface, third are complete
The light characteristic that scatters of the dermatoglyph particle or part of reflecting surface itself realizes that the big light-emitting surface of the second fully reflecting surface (6) is uniformly low
Bright lights effect, and the first strip patterned surface, the second strip patterned surface realize the second strip patterned surface under controlled diffusion degree
(5) what small light-emitting surface uniformly highlighted lights effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016402.3A CN109539177B (en) | 2019-01-08 | 2019-01-08 | Butterfly-shaped light guide sheet and method for realizing large-area light emission of lamp signal lamp of vehicle lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016402.3A CN109539177B (en) | 2019-01-08 | 2019-01-08 | Butterfly-shaped light guide sheet and method for realizing large-area light emission of lamp signal lamp of vehicle lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109539177A true CN109539177A (en) | 2019-03-29 |
| CN109539177B CN109539177B (en) | 2024-03-22 |
Family
ID=65834592
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910016402.3A Active CN109539177B (en) | 2019-01-08 | 2019-01-08 | Butterfly-shaped light guide sheet and method for realizing large-area light emission of lamp signal lamp of vehicle lamp |
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| Country | Link |
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| CN (1) | CN109539177B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237686A (en) * | 2020-03-17 | 2020-06-05 | 宁波福尔达智能科技有限公司 | Light guide body and vehicle knob structure with same |
| EP4375568A1 (en) * | 2022-11-23 | 2024-05-29 | Hella Autotechnik Nova, s.r.o. | Illumination assembly for a vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040012976A1 (en) * | 2002-07-15 | 2004-01-22 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
| JP2013160604A (en) * | 2012-02-03 | 2013-08-19 | Yazaki Corp | Light guide plate |
| WO2016104111A1 (en) * | 2014-12-24 | 2016-06-30 | 株式会社小糸製作所 | Vehicular lighting tool |
| CN209116235U (en) * | 2019-01-08 | 2019-07-16 | 华域视觉科技(上海)有限公司 | A kind of butterfly-like light guide sheet |
-
2019
- 2019-01-08 CN CN201910016402.3A patent/CN109539177B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040012976A1 (en) * | 2002-07-15 | 2004-01-22 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
| JP2013160604A (en) * | 2012-02-03 | 2013-08-19 | Yazaki Corp | Light guide plate |
| WO2016104111A1 (en) * | 2014-12-24 | 2016-06-30 | 株式会社小糸製作所 | Vehicular lighting tool |
| CN209116235U (en) * | 2019-01-08 | 2019-07-16 | 华域视觉科技(上海)有限公司 | A kind of butterfly-like light guide sheet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237686A (en) * | 2020-03-17 | 2020-06-05 | 宁波福尔达智能科技有限公司 | Light guide body and vehicle knob structure with same |
| EP4375568A1 (en) * | 2022-11-23 | 2024-05-29 | Hella Autotechnik Nova, s.r.o. | Illumination assembly for a vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109539177B (en) | 2024-03-22 |
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