CN108626679A - A kind of light source assembly for motor vehicles based on light guide - Google Patents
A kind of light source assembly for motor vehicles based on light guide Download PDFInfo
- Publication number
- CN108626679A CN108626679A CN201810491865.0A CN201810491865A CN108626679A CN 108626679 A CN108626679 A CN 108626679A CN 201810491865 A CN201810491865 A CN 201810491865A CN 108626679 A CN108626679 A CN 108626679A
- Authority
- CN
- China
- Prior art keywords
- light guide
- light
- led
- motor vehicles
- interior lampshade
- 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.)
- Granted
Links
- 238000009792 diffusion process Methods 0.000 claims abstract description 5
- 230000003760 hair shine Effects 0.000 claims abstract description 5
- 238000005538 encapsulation Methods 0.000 claims description 11
- 238000004020 luminiscence type Methods 0.000 claims description 3
- 241001465382 Physalis alkekengi Species 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect 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
- 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
- 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
-
- 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
- F21S41/24—Light guides
-
- 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
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—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
- 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
- F21S43/242—Light guides characterised by the emission area
- F21S43/246—Light guides characterised by the emission area having two or more output branches
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention discloses a kind of light source assembly for motor vehicles based on light guide, belongs to vehicle lamp lighting area.It includes translucent interior lampshade, light guide, light guide bracket, LED, LED module, light guide is mounted on light guide bracket, LED mounted on light-emitting surface intermediate region shines to different directions, the join domain between two guiding branch designs decorative pattern simultaneously, the light refraction that side enters is overlapped to vehicle reference axis direction, to form uniform light distribution by the translucent interior lampshade with diffusion function, uniformly lighting for entire position lamp light-emitting surface is finally realized.
Description
Technical field
The invention belongs to vehicle lamp lighting area, especially a kind of light source group for motor vehicles based on light guide
Part.
Background technology
With the continuous promotion that the universal and user of automobile requires automobile appearance, the requirement of each bound pair vehicle configuration is also got over
Come it is more harsh, especially on vehicle light shape.In recent years, for light guide due to simple in structure, design space is small, moulding degree of freedom it is high and
It is widely used on automobile lamp.The pipe of guide structure generally use diameter 5-10mm, light guide are placed on light guide branch at present
On frame, LED light source is arranged in the end of light guide, so that light guide freely shines in the range of shape-designing.
And the angle that partly declines of current LED light source is usually unilateral 60 °, thus it is next when being combined with LED light source using light guide
When meeting various modeling requirements, it is necessary to be blocked or be hidden to LED light source, so lightguide length will exceed the light extraction of position lamp
In addition face will also reserve enough space layout LED light sources and LED circuit board, if lamps and lanterns space is narrow in light guide entrance face
It is small, then optical texture can not be arranged at all.
Invention content
To solve to limit due to car light metal plate and moulding, position lamp is equal when lamps and lanterns narrow space can not arrange optical texture
Even luminous problem, the present invention are provided a kind of simple and reasonable and are used for based on light guide in the case that LED light source is unobstructed
The light source assembly of motor vehicles.
To achieve the above object, the present invention uses following technical proposals：
A kind of light source assembly for motor vehicles based on light guide, it includes translucent interior lampshade, light guide, light guide branch
Frame, side-emitting LED, common encapsulation LED and LED module, light guide are each attached to LED module on light guide bracket, side-emitting LED and
Common encapsulation LED is in the intermediate region of LED light-emitting surfaces, shines to different directions and enters light guide, is penetrated after being emitted by light guide
Translucent interior lampshade with diffusion, LED light-emitting surfaces are parallel with the incidence surface of light guide, light guide be divided into the first guiding branch and
Second guiding branch is connected by convex pattern between two guiding branch, and convex decorative pattern is by light refraction to translucent interior lamp
On cover, the dark space between different directions light guide is connected.
Further, convex decorative pattern, which is distributed in the entering light region front of light guide and side, convex decorative pattern, will commonly encapsulate LED
Light emission direction deviation overlapped to vehicle reference axis direction.
Further, light guide is between translucent interior lampshade and light guide bracket, and translucent interior lampshade is located at light guide
Front.
Further, side-emitting LED is located at convex decorative pattern dead astern and the first guiding branch side；
The light emission direction of common encapsulation LED is vertical with LED module, the common light emission direction for encapsulating LED and vehicle reference axis
The angle in line direction is -25 ° -25 °, and the common centre of luminescence for encapsulating LED is not exclusively overlapped with the center of the first guiding branch, the
The center line of one guiding branch and the angle of vehicle reference axis are 65 ° -115 °.
Advantageous effect：
1. the join domain between two light guides, according to common encapsulation LED design decorative pattern, the light refraction that side is entered
Finally make to form uniform light distribution on the translucent interior lampshade with diffusion to vehicle reference axis direction
Entire position lamp light-emitting surface is obtained uniformly to light.
2. being arranged light guide in the translucent interior lampshade with diffusion and between light guide bracket, make translucent interior lampshade
Positioned at the front of light guide, the LED for being mounted on light-emitting surface intermediate region shines to different directions, so that whole light guide is uniformly sent out
Light, then realize that entire light-emitting surface is uniformly lighted by total reflection of the light in light guide.
3. the light direct projection that commonly encapsulation LED is sent out enters light guide, realize that the direction is uniform by light guide inner full-reflection
It lights；The light that side-emitting LED is sent out enters the light guide of another different directions, which can be according to lamps and lanterns space certainly
By adjustment wall thickness, and then effectively solve the area caused by causing the region that can not arrange optical texture due to vehicle body sheet metal limitation
There is dark space after lighting in domain.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the invention；
Fig. 2 is the structure enlargement diagram in one embodiment of the invention light guide entering light region.
In figure：The translucent interior lampshades of 1-, 2- light guides, 3- light guide brackets, 4- side-emitting LEDs, 5- commonly encapsulate LED, 6-LED
Module, the first guiding branch of 201-, the second guiding branch of 202-, 203- convex decorative patterns, the side in 21- light guide entering lights region, 22-
The front in light guide entering light region.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
The present embodiment proposes a kind of light source assembly for motor vehicles based on light guide, as shown in Figure 1, it includes semi-transparent
Bright interior lampshade 1, light guide 2, light guide bracket 3, side-emitting LED 4, common encapsulation LED 5 and LED module 6, light guide 2 and LED module 6
It is each attached on light guide bracket 3, light guide 2 is between translucent interior lampshade 1 and light guide bracket 3, and 1, translucent interior lampshade
In the front of light guide 2, side-emitting LED 4 and the common intermediate region for encapsulating LED 5 and being in LED light-emitting surfaces are sent out to different directions
Light, LED light-emitting surfaces are parallel with the incidence surface of light guide 2, and light guide 2 divides for the first guiding branch 201 and the second guiding branch 202, and two
It is connected by convex pattern 203 between a guiding branch, side-emitting LED 4 is located at 203 dead astern of convex decorative pattern and the first light guide
201 side of branch, the common light emission direction for encapsulating LED 5 is vertical with LED module 6, the common light emission direction and vehicle for encapsulating LED 5
The angle in datum axis direction is -25 ° -25 °, the center of the common centre of luminescence and the first guiding branch 201 for encapsulating LED 5
It not exclusively overlaps, the center line of the first guiding branch 201 and the angle of vehicle reference axis are 65 ° -115 °, by side-emitting LED
The light that 4 and common encapsulation LED 5 is sent out is applied to by the conduction of light guide 2 on translucent interior lampshade 1, is dissipated using it
It penetrates, realizes uniformly lighting for entire position lamp light-emitting surface.
As shown in Fig. 2, convex decorative pattern 203 is distributed in the entering light region front 22 and side 21 of light guide 2, in LED module 6
The light that common encapsulation LED 5 is sent out passes through light guide 2, and some light enters 2 localized thickened areas of light guide, in connection decorative pattern 203
Place reflects, and the deflection of light propagated originally to vehicle outside direction is made to be overlapped to vehicle reference axis direction.Convex is spent
The side inclined-plane of line 203 is 50 ° -90 ° with the angle α of 2 back side basal plane of light guide, other side inclined-plane and the light guide 2 of convex decorative pattern 203
The angle β of back side basal plane is 0 ° -60 °.α should be with light incident from common encapsulation LED 5 in concrete structure with calculating for β angles
Just deviation to being overlapped with vehicle reference axis direction is best to line, to light the dark space between two LED.Along with left and right
Light guide tooth, the Integral luminous for realizing position lamp existing for script are uniform in two side-light guides 2.
Limiting the scope of the invention, those skilled in the art should understand that, in technical scheme of the present invention
On the basis of, the various modifications or variations that can be made by those skilled in the art with little creative work still the present invention's
Within protection domain.
Claims (4)
1. a kind of light source assembly for motor vehicles based on light guide, it includes translucent interior lampshade (1), light guide (2), light guide
Holder (3), side-emitting LED (4), commonly encapsulation LED (5) and LED module (6), light guide (2) are each attached to LED module (6)
On light guide bracket (3), side-emitting LED (4) and the common intermediate region for encapsulating LED (5) and being in LED light-emitting surfaces, to different directions
It shines and enters light guide (2), through the translucent interior lampshade (1) with diffusion after being emitted by light guide (2), feature exists
In：The LED light-emitting surfaces are parallel with the incidence surface of light guide (2), and light guide (2) is divided into the first guiding branch (201) and the second light guide
Branch (202) is connected by convex pattern (203) between two guiding branch, and convex decorative pattern (203) is by light refraction to semi-transparent
On bright interior lampshade (1), the dark space between different directions light guide (2) is connected.
2. the light source assembly for motor vehicles according to claim 1 based on light guide, it is characterised in that：The convex
The entering light region that decorative pattern (203) is distributed in light guide (2) is positive (22) and side (21), and convex decorative pattern (203) will commonly encapsulate LED
(5) light emission direction deviation is overlapped to vehicle reference axis direction.
3. the light source assembly for motor vehicles according to claim 1 or 2 based on light guide, it is characterised in that：It is described
Light guide (2) is between translucent interior lampshade (1) and light guide bracket (3), and translucent interior lampshade (1) is located at light guide (2)
Front.
4. the light source assembly for motor vehicles according to claim 1 or 2 based on light guide, it is characterised in that：It is described
Side-emitting LED (4) is located at convex decorative pattern (203) dead astern and the first guiding branch (201) side；
The light emission direction of the common encapsulation LED (5) is vertical with LED module (6), commonly encapsulates the light emission direction and vehicle of LED (5)
The angle in datum axis direction is -25 ° -25 °, commonly encapsulates the centre of luminescence and the first guiding branch (201) of LED (5)
Center not exclusively overlaps, and the center line of the first guiding branch (201) and the angle of vehicle reference axis are 65 ° -115 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491865.0A CN108626679B (en) | 2018-05-22 | 2018-05-22 | Light guide-based light source assembly for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491865.0A CN108626679B (en) | 2018-05-22 | 2018-05-22 | Light guide-based light source assembly for motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108626679A true CN108626679A (en) | 2018-10-09 |
| CN108626679B CN108626679B (en) | 2024-05-17 |
Family
ID=63693832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810491865.0A Active CN108626679B (en) | 2018-05-22 | 2018-05-22 | Light guide-based light source assembly for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108626679B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539159A (en) * | 2019-01-03 | 2019-03-29 | 华域视觉科技(上海)有限公司 | A kind of optics module and car light |
| WO2021212370A1 (en) * | 2020-04-22 | 2021-10-28 | 诚益光电科技股份有限公司 | Lighting device and optical module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050141213A1 (en) * | 2003-12-19 | 2005-06-30 | Jean-Claude Gasquet | Signalling or lighting apparatus, in particular for a motor vehicle |
| EP2363738A2 (en) * | 2010-02-24 | 2011-09-07 | Stanley Electric Co., Ltd. | Lighting device for vehicle |
| JP2015076310A (en) * | 2013-10-10 | 2015-04-20 | スタンレー電気株式会社 | Vehicle lighting appliance |
| CN105276486A (en) * | 2015-11-13 | 2016-01-27 | 华晨汽车集团控股有限公司 | Light guide backlight structure for switch block |
| CN106500021A (en) * | 2015-09-01 | 2017-03-15 | 常州星宇车灯股份有限公司 | Automobile Rear Position Lamp guide structure of the light inlet with coupling device |
| CN107489954A (en) * | 2016-05-19 | 2017-12-19 | 标致·雪铁龙汽车公司 | Backlight illuminating system for vehicle |
| CN208222386U (en) * | 2018-05-22 | 2018-12-11 | 常州星宇车灯股份有限公司 | A kind of light source assembly for motor vehicles based on light guide |
| CN208253450U (en) * | 2018-03-05 | 2018-12-18 | 一汽-大众汽车有限公司 | A kind of car light guide structure |
-
2018
- 2018-05-22 CN CN201810491865.0A patent/CN108626679B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050141213A1 (en) * | 2003-12-19 | 2005-06-30 | Jean-Claude Gasquet | Signalling or lighting apparatus, in particular for a motor vehicle |
| EP2363738A2 (en) * | 2010-02-24 | 2011-09-07 | Stanley Electric Co., Ltd. | Lighting device for vehicle |
| JP2015076310A (en) * | 2013-10-10 | 2015-04-20 | スタンレー電気株式会社 | Vehicle lighting appliance |
| CN106500021A (en) * | 2015-09-01 | 2017-03-15 | 常州星宇车灯股份有限公司 | Automobile Rear Position Lamp guide structure of the light inlet with coupling device |
| CN105276486A (en) * | 2015-11-13 | 2016-01-27 | 华晨汽车集团控股有限公司 | Light guide backlight structure for switch block |
| CN107489954A (en) * | 2016-05-19 | 2017-12-19 | 标致·雪铁龙汽车公司 | Backlight illuminating system for vehicle |
| CN208253450U (en) * | 2018-03-05 | 2018-12-18 | 一汽-大众汽车有限公司 | A kind of car light guide structure |
| CN208222386U (en) * | 2018-05-22 | 2018-12-11 | 常州星宇车灯股份有限公司 | A kind of light source assembly for motor vehicles based on light guide |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539159A (en) * | 2019-01-03 | 2019-03-29 | 华域视觉科技(上海)有限公司 | A kind of optics module and car light |
| CN109539159B (en) * | 2019-01-03 | 2024-01-26 | 华域视觉科技(上海)有限公司 | Optical module and car light |
| WO2021212370A1 (en) * | 2020-04-22 | 2021-10-28 | 诚益光电科技股份有限公司 | Lighting device and optical module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108626679B (en) | 2024-05-17 |
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