CN109695854A - Light source assembly, lighting device and motor vehicles - Google Patents
Light source assembly, lighting device and motor vehicles Download PDFInfo
- Publication number
- CN109695854A CN109695854A CN201710991898.7A CN201710991898A CN109695854A CN 109695854 A CN109695854 A CN 109695854A CN 201710991898 A CN201710991898 A CN 201710991898A CN 109695854 A CN109695854 A CN 109695854A
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- CN
- China
- Prior art keywords
- light
- light guide
- source assembly
- guide section
- emitting component
- 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.)
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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
- F21S43/10—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
- F21S43/10—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
- F21S43/15—Strips of light sources
-
- 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
- F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
-
- 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
- F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
-
- 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
- F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces
-
- 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
- F21S43/27—Attachment thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/40—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of hollow light guides
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 present invention provides light source assembly and lighting device and motor vehicles including the light source assembly.The light source assembly includes: light-emitting component；First light guide, first light guide are configured to that the light emitted from the light-emitting component is guided to project the light source assembly along exit direction；And light obstructing member, the light obstructing member are configured at least block the light-emitting component, so that the light-emitting component is sightless when watching light source assembly against the exit direction.
Description
Technical field
This invention relates generally to illumination and/or signal designation field, and more particularly, to a kind of light source assembly,
Lighting device and motor vehicles.
Background technique
Lighting device is an indispensable part in various illuminations and/or optical signalling instruction device, is used for for providing
The light of illumination and/or optics instruction, is widely used in every field, such as utilizes the photograph of such as car light etc in the motor vehicle
Bright device guarantees to drive safely.And generally require various types of car lights on the rolling stock to realize different functions.?
In conventional illuminator, by directly lighting light guide by light-emitting component, and by light guide guidance come the light Xiang Zhaoming of self-emission device
Device external exit.In this case, light-emitting component is usually directly may be used for the observer being located at except lighting device
See, this will affect the aesthetics of lighting device；In addition, the light from other light-emitting components is also easily accessible light guide and interferes
Propagation of the light in light guide.Therefore, it is necessary to more spaces or component to hide light-emitting component, the design pattern of lighting device
It is restricted, and then may cause to limit to the spatial design of motor vehicles.
Summary of the invention
It is an object of the invention to overcome the problems, such as at least one of existing in the prior art above and other and defect.
The present invention provides a kind of light source assemblies, comprising: light-emitting component；First light guide, first light guide are constructed
The light source assembly is projected along exit direction from the light that the light-emitting component emits at guidance；And light obstructing member, the light obstructing member quilt
It is configured at least block the light-emitting component, so that the light-emitting component is when watching light source assembly against the exit direction
It is sightless.
In one embodiment, first light guide includes the first light guide section and the second light guide section, the first light guide section quilt
It is configured to receive the light emitted from the light-emitting component, the second light guide section has for being emitted the light emitted from the light-emitting component
Light-emitting surface and the shady face opposite with light-emitting surface；And the light obstructing member includes the first light-blocking member, first light shielding part
Part is located between the shady face and the light-emitting component of second light guide section, to block the light-emitting component.
In one embodiment, the first light guide section deviates from described second from one end of the second light guide section to the first light-blocking member
The side of light guide section simultaneously extends to the light-emitting component, so that first light guide forms generally L-shaped or V-arrangement profile.
In one embodiment, the light obstructing member includes the second light-blocking member, and second light-blocking member is at least partly
Around first light guide and the light-emitting component and it is provided with an exit portal, so that being gone out by the light edge of the first light guide guidance
It penetrates direction and the light source assembly is projected by the exit portal, and work as and watched against the exit direction by the exit portal
Shi Suoshu light-emitting component is sightless.
In one embodiment, first light guide includes third light guide section and the 4th light guide section, third light guide section quilt
It is configured to receive the light emitted from the light-emitting component, the 4th light guide section has for being emitted the light emitted from the light-emitting component
Light-emitting surface and the shady face opposite with light-emitting surface；The light obstructing member is far from the light-emitting surface and close to the 4th light guide section
One shading space of restriction at the position of one end, at least part of the third light guide section and light-emitting component positioning are simultaneously hidden
It ensconces in the shading space.
In one embodiment, first light guide further includes between third light guide section and the 4th light guide section
Five light guide sections, the 5th light guide section are located in the shading space and extend to third from the one end of the 4th light guide section and lead
Light portion, so that the 5th light guide section and third light guide section and the 4th light guide section are respectively formed generally L-shaped or V-arrangement profile.
In one embodiment, the third light guide section is on the direction away from the light-emitting surface from the institute of the 4th light guide section
One end extension is stated, so that third light guide section and the 4th light guide section form generally L-shaped or V-arrangement profile.
In one embodiment, the light obstructing member includes third light-blocking member, which has along institute
L shape or V-arrangement profile are stated in the part of the side of the shady face close to the 4th light guide section extension and is led partially around the third
Light portion and the light-emitting component.
In one embodiment, the light obstructing member further includes the 4th light-blocking member, and the 4th light-blocking member is positioned to lean on
The one end of nearly 4th light guide section, so that the 4th light-blocking member and the 4th light guide section on the thickness direction of the 4th light guide section
Partly it is overlapped.
In one embodiment, at least one of the light-emitting surface and the shady face are provided with micro-structure, micro- knot
Structure is configured to emit light from the first light guide in the form of point source of light.
In one embodiment, the micro-structure includes at least one of protrusion and recess.
In one embodiment, the first light guide includes incident side, and light source assembly includes being positioned adjacent to first to lead
The incident side of light part simultaneously emits light into multiple light-emitting components in the first light guide.
In one embodiment, light source assembly further includes the second light guide for positioning the incident side of first light guide,
Second light guide is configured to that first leaded light will be directed to from the light of the light-emitting component in the form of linear or planar
In part.
In one embodiment, light source assembly further includes circuit board, and the light-emitting component is mounted on the circuit board, and
And light obstructing member is further configured to block the circuit board, so that when watching light source assembly when institute against the exit direction
It is also sightless for stating circuit board.
In one embodiment, the light-emitting component includes LED.
In one embodiment, the light obstructing member is a part of the adornment frame of a lighting device.
In one embodiment, first light guide includes flat light guide structure.
The embodiments of the present invention also provide a kind of lighting devices comprising the light source group in any embodiment of the invention
Part.
The embodiments of the present invention also provide a kind of motor vehicles comprising the light source group in any embodiment of the invention
Part or lighting device.
By below with reference to attached drawing detailed description made for the present invention, other objects and advantages of the present invention will it is aobvious and
It is clear to, and can help that complete understanding of the invention will be obtained.
Detailed description of the invention
These and or other aspects and advantage of the invention will become from description of preferred embodiments with reference to the accompanying drawing
It obtains obviously and is readily appreciated that, in which:
Figure 1A is the side view for schematically showing the structure of light source assembly according to an embodiment of the present；
Figure 1B is the exploded view of light source assembly shown in Figure 1A；
Fig. 1 C is the perspective view for showing the section components in assembled state of light source assembly shown in Figure 1A；
Fig. 1 D is the schematic diagram for showing the optical path in light source assembly shown in Figure 1A；
Fig. 2A is the sectional view for schematically showing the structure of light source assembly of another embodiment according to the present invention；
Fig. 2 B is the partial enlargement diagram of light source assembly shown in Fig. 2A；
Fig. 2 C is the decomposition diagram of light source assembly shown in Fig. 2A；
Fig. 2 D is the perspective diagram of light source assembly shown in Fig. 2A；
Fig. 3 A is the sectional view for schematically showing the structure of light source assembly of another embodiment according to the present invention；
Fig. 3 B is the partial enlargement diagram of light source assembly shown in Fig. 3 A；
Fig. 3 C is the perspective diagram of light source assembly shown in Fig. 3 A；
Fig. 4 A is the sectional view for schematically showing the structure of light source assembly of another embodiment according to the present invention；
Fig. 4 B is the partial enlargement diagram of light source assembly shown in Fig. 4 A；
Fig. 4 C is the perspective diagram of light source assembly shown in Fig. 4 A；
Fig. 5 A is the sectional view for schematically showing the also structure of the light source assembly of another embodiment according to the present invention；
Fig. 5 B is the partial enlargement diagram of light source assembly shown in Fig. 5 A；
Fig. 5 C is the perspective diagram of light source assembly shown in Fig. 5 A；
Fig. 6 A is the schematic diagram for showing the micro-structure on the light guide of light source assembly according to an embodiment of the present；
And
Fig. 6 B is another micro-structure shown on the light guide of light source assembly according to an embodiment of the present
Schematic diagram；
Specific embodiment
Below in conjunction with attached drawing, the embodiment of the present invention is described in detail.In the present specification, same or similar
Component indicated by same or similar drawing reference numeral.
In addition, in the following detailed description, for purposes of illustration only, elaborating many concrete details to provide to the present invention
Embodiment comprehensive understanding.It should be apparent, however, that one or more embodiments without these specific details may be used
To be carried out.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.
A total inventive concept according to the present invention, provides a kind of light source assembly, comprising: light-emitting component；First is guide-lighting
Part, first light guide are configured to that the light emitted from light-emitting component is guided to project light source assembly along exit direction；With shading structure
Part, the light obstructing member are configured to block light-emitting component, so that light-emitting component is when watching light source assembly against exit direction
It is sightless.As a result, when this light source assembly is mounted on the machine of such as motor vehicles etc, at least by light obstructing member
Light-emitting component is blocked, observer is can be avoided and sees light-emitting component on the outside of the machine, so as to be set in beautiful and space
Meter etc. provides bigger freedom degree, and at least partially avoid the light from other light-emitting components enter light guide and
Interfere propagation of the light in light guide.
It is following to be intended to illustrate the present general inventive concept referring to explanation of the attached drawing to the embodiments of the present invention, without answering
When being interpreted as to a kind of limitation of the invention.
Figure 1A to 1D schematically shows the structure of light source assembly according to an embodiment of the present, and wherein Figure 1A is
The side view of the light source assembly, Figure 1B are the exploded views of light source assembly shown in Figure 1A, and Fig. 1 C is shown shown in Figure 1A
The perspective view of the section components in assembled state of light source assembly, Fig. 1 D schematically show light source assembly shown in Figure 1A
In optical path.
As shown, a kind of light source assembly 100 includes light-emitting component 110, light guide 120 and light obstructing member 130.In this hair
In bright embodiment, light guide is configured to that the light emitted from light-emitting component is guided to project light source assembly, shading along exit direction R
Component is configured at least block light-emitting component, so that the member that shines when observer OB watches light source assembly against exit direction R
Part is sightless.Illustratively, light obstructing member is in the side of the light-emitting surface away from light guide, such as in the backlight side of light guide or
In the end side of light guide, a space is defined, light-emitting component is arranged and hidden within this space, and light-emitting component or its sending are avoided
Light arrived by external observer's direct viewing.
Illustratively, as shown in Figure 1A to 1D, light guide 120 includes light guide section 121 and 122, the one end of light guide section 121
The incident side or incidence surface of face (end side surface i.e. towards light-emitting component 110) composition light guide simultaneously are configured to receive from luminous member
Part 110 emit light, light guide section 122 have for be emitted from light-emitting component 110 transmitting light light-emitting surface 1221 and with light out
The opposite shady face 1222 in face, light obstructing member 130 include light-blocking member 131, which is located in light guide section 122
Between shady face 1222 and light-emitting component 110, to block light-emitting component 110, and it can also avoid carrying out self-emission device 110
Light enters light guide 120 from the other positions in addition to the incidence surface of light guide 120 and interferes biography of the light in light guide 120
It broadcasts.In general, light guide is transparent or translucent, and the presence of the light-blocking member and arrangement can be to avoid observers from outside
It is immediately seen the light-emitting component for being located in the shady face side of light guide.
In one embodiment, as shown in Figure 1A to 1D, light guide section 121 from one end of light guide section 122 (be in figure 1A upper
End) extend to light-blocking member 131 away from the side of light guide section 122 and extends to light-emitting component 110, so that light guide 120 is formed
Generally L-shaped or V-arrangement profile, and a part of light guide section 121 can also be blocked by light-blocking member 131.
In one example, as shown in figs. ib and 1 c, light-blocking member 131 is provided with joint portion 1314, such as protrusion, light guide
Joint portion 124 is provided on 120, such as aperture, joint portion 1314 is engaged with joint portion 124, such as is clasped, so that light shielding part
Part 131 and light guide 120 fit together.Certainly, it will be understood by those skilled in the art that other suitable groups can also be used
Assembling structure assembles all parts of light source assembly.
In another embodiment, light obstructing member 130 can also include light-blocking member 132, at least portion of light-blocking member 132
Divide ground around light guide 120 and light-emitting component 110 and is provided with an exit portal 1321；In one example, as shown in Figure 1B, it hides
Light component 132 has substantially hood shape, exit portal 1321 is being provided on one side, so that the light edge guided by light guide 120
Exit direction R projects light source assembly by the exit portal 1321, and is seen when passing through exit portal 1321 against exit direction
Light-emitting component 110 is sightless when seeing.In the illustrated embodiment, light-blocking member 132 has the light out for being located in light guide
The part of face side and the part for being located in light guide side, at least partly around light-emitting component.In addition, the shading of cover shape
Component 132 also can be configured to block light-emitting component in the light-emitting surface side of light guide, i.e., is only capable of leading to from the light that light guide is emitted
It crosses the exit portal being arranged on light-blocking member 132 to project, is located so that the light of other transmittings does not interfere in light-emitting component in this way and leads
In the case where the propagation of light in light part, it is convenient to omit above-mentioned light-blocking member 131.It is appreciated that the shape and knot of light obstructing member
Structure is without being limited thereto, can need to be suitably designed according to the appearance of lighting device.
In an embodiment of the present invention, light source assembly can also include circuit board 140, and as shown in Figure 1A to 1D, shine member
Part 110 is mounted on circuit board 140.Circuit board can be pcb board.In one example, light obstructing member may be configured as
Block circuit board so that when against exit direction watch light source assembly when the circuit board be also it is sightless, so as to improve
The aesthetics of lighting device, and at least partly avoid the light from other light-emitting components from entering light guide and light is interfered to lead
Propagation in light part.
As shown in Figure 1A and 1B, light source assembly 100 can also include other optical components, such as optical panel 150, lens, standard
Straight device etc., these optical components are located in the light-emitting surface side of light guide 120, handle the light from light guide, to obtain
Obtain suitable outgoing beam.
Fig. 2A to 2D schematically shows the structure of the light source assembly 200 of another embodiment according to the present invention, wherein
Fig. 2 B is the partial enlargement diagram of light source assembly shown in Fig. 2A, and Fig. 2 C is that the decomposition of light source assembly shown in Fig. 2A is shown
It is intended to, Fig. 2 D is the perspective diagram of light source assembly shown in Fig. 2A.
As shown, light source assembly 200 includes light-emitting component 210, light guide 220 and light obstructing member 231,232.In this hair
In bright embodiment, light guide is configured to that the light emitted from light-emitting component 210 is guided to project light source assembly along exit direction, hides
Light component is configured at least block light-emitting component 210, so that sending out when observer OB watches light source assembly against exit direction
Optical element is sightless.In an embodiment of the present invention, light-emitting component can be positioned at the side or the back side of light guide, that is, send out
Optical element emits light to light guide from the invisible area or hidden area of light source assembly.
In one embodiment, as shown in fig. 2 a-2d, light guide 220 includes light guide section 221 and 222, light guide section 221
One end side (end side surface i.e. towards light-emitting component 210 is in Figures 2 A and 2 B left end face) composition light guide 220 enters light
Side or incidence surface simultaneously are configured to receive the light emitted from light-emitting component 210, and light guide section 222 has for being emitted from light-emitting component
The light-emitting surface 2221 and the shady face 2222 opposite with light-emitting surface of the light of 210 transmittings.In embodiments of the present invention, light obstructing member
231,232 a screening is being limited far from light-emitting surface 2221 and at the position of the one end (left end side in figure) of light guide section 222
Light space S, at least part and light-emitting component 210 of light guide section 221 are positioned and are hidden in the shading space S, thus avoid
Light-emitting component is seen by external observer OB and influences beauty, and at least partially avoid from other light-emitting components
Light enters light guide and the propagation of interfering light in light guide.
In another embodiment, as shown in fig. 2 a-2d, light guide 220 further includes between light guide section 221 and 222
Light guide section 223, light guide section 223 is positioned at least partially at the one end in above-mentioned shading space and from light guide section 222
(left end side in figure) extends to light guide section 221, so that light guide section 223 and light guide section 221 and light guide section 222 are respectively formed substantially
L shape or V-arrangement profile.Using this structure, the incidence surface of light-emitting component and at least light guide is located in the screening of light obstructing member formation
It cannot be seen by external observer OB in light space S.
In one embodiment, as shown in fig. 2 a-2d, light obstructing member includes light-blocking member 231, is had and light guide
The part that 220 match profiles are closed.Illustratively, light-blocking member 231 has and is leaning on along the L shape or V-arrangement profile of light guide 220
Part that the side of the shady face 2222 of nearly light guide section 222 extends and partially around light guide section 221 and light-emitting component 210.?
In the embodiment of diagram, light-blocking member 231 includes the L shape segmentation partially along the third light guide section 221 of light guide 220
2311, along light guide section 222 in the segmentation 2312 of the side of the shady face 2222 close to light guide section 222 extension and along light guide section
223 segmentation 2313, at least partially defining above-mentioned shading space S, thus light-emitting component 210, light guide section 221, guide-lighting
At least part in portion 223 is located in the shading space S of light obstructing member formation.
In another embodiment, as shown in fig. 2 a-2d, light obstructing member further includes light-blocking member 232, the light-blocking member
232 are positioned adjacent to the one end (left end side in figure) of light guide section 222, so that on the thickness direction T of light guide section 222
Light-blocking member 232 is partly be overlapped with light guide section 222, so on the thickness direction T light-blocking member 232 can also and light shielding part
A part overlapping of the segmentation 2313 of part 231, to further avoid observer through normally transparent or translucent light guide section
See light-emitting component 210.As shown, light-blocking member 232 can be configured to substantially L-shaped form, including 2321 Hes of segmentation
2322, wherein segmentation 2313 on the thickness direction T of light guide section 222 with light guide section 222 and light-blocking member 231 of segmentation 2321
Divide ground overlapping, so as to block light-emitting component 210 and light guide section 221.
In one embodiment, as shown in Fig. 2 B to 2D, light source assembly 200 can also include being located in light guide 220
Another light guide 260 of incident side (being the left end side towards light-emitting component 210 of light guide section 221 in the figure), the light guide
260 light for being configured to self-emission device in the form of linear or planar future 210 are directed in light guide 220.Illustratively, it leads
Light part 260 can be rodlike or rod-like structure, can future self-emission device spot beam be converted into linear or planar light
Beam and be incident in light guide 220.As illustrated by figures 2 b and 2 c, light-emitting component 210 may be mounted on circuit board 240, and position
In the end side of light guide 260.
Fig. 3 A to 3C schematically shows the structure of the light source assembly 300 of another embodiment according to the present invention, wherein
Fig. 3 B is the partial enlargement diagram of light source assembly shown in Fig. 3 A, and Fig. 3 C is that the perspective of light source assembly shown in Fig. 3 A is shown
It is intended to.As shown, light source assembly 300 includes light-emitting component 310, light guide 320 and light obstructing member.In the embodiment of diagram
In, light guide 320 includes light guide section 321,322 and 323, and light obstructing member includes light-blocking member 331 and 332.In reality of the invention
It applies in example, light guide is configured to that the light emitted from light-emitting component 310 is guided to project light source assembly, light obstructing member along exit direction
It is configured at least block light-emitting component 310, so that the light-emitting component when observer OB watches light source assembly against exit direction
It is sightless.Light-emitting component can be positioned at the side or the back side of light guide, i.e. light-emitting component is from the invisible of light source assembly
Region or hidden area emit light to light guide.
Light shown in the light guide of light source assembly shown in Fig. 3 A to 3C and the structure of light obstructing member and Fig. 2A to 2D
The light guide of source component and the structure of light obstructing member are roughly the same or similar, will omit detailed description, explained below
In place of main difference between them.
In embodiment shown in figs. 3a to 3c, light source assembly 300 includes a plurality of light-emitting elements 310, these members that shine
Part is positioned adjacent to the incident side (being the left end side of light guide section 321 in the figure) of light guide 320, illustratively, these members that shine
Part 310 is arranged in a row, to emit light to the incident side of light guide 320.Light-emitting component 310 may be mounted on circuit board 340.
Fig. 4 A to 4C schematically shows the structure of the light source assembly 400 of another embodiment according to the present invention.Such as figure
Shown, light source assembly 400 includes light-emitting component 410, light guide 420 and light obstructing member.In the illustrated embodiment, light obstructing member
Including light-blocking member 431 and 432, as described below.In an embodiment of the present invention, light guide 420 is configured to guide from luminous
The light that element 410 emits projects light source assembly along exit direction, and light obstructing member is configured at least block light-emitting component 410, make
Light-emitting component is sightless when proper observer OB watches light source assembly against exit direction.In an embodiment of the present invention,
Light-emitting component can be positioned at the side or the back side of light guide, i.e. invisible area or hidden area of the light-emitting component from light source assembly
Domain emits light to light guide.
In one embodiment, as shown in figs. 4 a-4 c, light guide 420 includes light guide section 421 and 422, light guide section 421
One end side (end side surface i.e. towards light-emitting component 410 is downside end face in figure) constitutes the incident side of light guide 420 or enters
Smooth surface simultaneously is configured to receive the light emitted from light-emitting component 410, and light guide section 422 has to be sent out for being emitted from light-emitting component 410
The light-emitting surface 4221 for the light penetrated and the shady face 4222 opposite with light-emitting surface.In one embodiment, light guide section 421 is from light guide section
422 one end, which supports or opposes, separates out the direction extension of smooth surface 4221, so that the two constitutes generally L-shaped or V-arrangement profile.
In embodiments of the present invention, light obstructing member is in the light-emitting surface 4221 far from light guide 420 and close to light guide section 422
A shading space S, at least part and light-emitting component of light guide section 421 are limited at the position of one end (left end side in figure)
410 position and are hidden in the shading space S, thus avoid light-emitting component from being seen by external observer OB and influence beauty,
And it at least partially avoid the propagation that the light from other light-emitting components enters light guide and interferes light in light guide.
In one embodiment, as shown in figs. 4 a-4 c, light obstructing member includes light-blocking member 431, is had and light guide
The part that 420 match profiles are closed.Illustratively, light-blocking member 431 has and is leaning on along the L shape or V-arrangement profile of light guide 420
The part that the side of the shady face 4222 of nearly light guide section 422 extends.In the illustrated embodiment, light-blocking member 431 includes part
Ground is being leaned on along the light guide section 421 of light guide 420 in the segmentation 4311 of one side (right side in figure) extension and along light guide section 422
The segmentation 4312 that the side of the shady face 4222 of nearly light guide section 422 extends, at least partially defining above-mentioned shading space S.
Segmentation 4311 and 4312 can form the profile with the L shape of light guide 420 or the conjunction of V-arrangement match profiles.
In another embodiment, as shown in figs. 4 a-4 c, light obstructing member further includes light-blocking member 432, the light-blocking member
432 are positioned adjacent to the one end (left end side in figure) of light guide section 422, so that on the thickness direction T of light guide section 422
Light-blocking member 432 is partly be overlapped with light guide section 422, so on the thickness direction T light-blocking member 432 can also and light shielding part
A part overlapping of the segmentation 4311 of part 431, to further avoid observer through normally transparent or translucent light guide section
See light-emitting component 410.As shown, light-blocking member 432 can be configured to substantially L-shaped form, including 4321 Hes of segmentation
4322, wherein segmentation 4311 on the thickness direction T of light guide section 422 with light guide section 422 and light-blocking member 431 of segmentation 4321
Divide ground overlapping, so as to block light-emitting component 410 and light guide section 421.Using this structure, light-emitting component and at least light guide
Incidence surface be located in the shading space S of light obstructing member formation and cannot be seen by external observer OB.
In one embodiment, as shown in Figure 4 B and 4C, light source assembly 400 can also include being located in light guide 420
Another light guide 460 of incident side (being the lower end side towards light-emitting component 410 of light guide section 421 in the figure), the light guide
460 light for being configured to self-emission device in the form of linear or planar future 410 are directed in light guide 420.Illustratively, it leads
Light part 460 can be rodlike or rod-like structure, can future self-emission device spot beam be converted into linear or planar light
Beam and be incident in light guide 420.As shown in Figure 4 B and 4C, light-emitting component 410 can be positioned at the end side of light guide 460.
Fig. 5 A to 5C schematically shows the structure of light source assembly 500 according to an embodiment of the present.As schemed
Show, light source assembly 500 includes light-emitting component 510, light guide 520 and light obstructing member.In the illustrated embodiment, light guide 521
Including forming generally L-shaped or V-arrangement profile light guide section 521 and 522, light obstructing member includes light-blocking member 531 and 532.In this hair
In bright embodiment, light guide 520 is configured to that the light emitted from light-emitting component 510 is guided to project light source group along exit direction
Part, light obstructing member are configured at least block light-emitting component 510, so that when observer OB watches light source assembly against exit direction
When light-emitting component be sightless.In an embodiment of the present invention, light-emitting component can be positioned at the side or the back side of light guide,
I.e. light-emitting component emits light to light guide from the invisible area or hidden area of light source assembly.
The light guide of light source assembly shown in Fig. 5 A to 5C and the structure of light obstructing member and light shown in Fig. 4 A to 4C
The light guide of source component and the structure of light obstructing member are roughly the same or similar, will omit detailed description, explained below
In place of main difference between them.
In the embodiment shown in Fig. 5 A to 5C, light source assembly 500 includes a plurality of light-emitting elements 510, these members that shine
Part is positioned adjacent to the incident side (being the lower end side of light guide section 521 in the figure) of light guide 520, illustratively, these members that shine
Part 510 is arranged in a row, to emit light to the incident side of light guide 520.Light-emitting component 510 may be mounted on circuit board 540.
In one embodiment, micro- knot has can be set at least one of the light-emitting surface of above-mentioned light guide and shady face
Structure, the micro-structure are configured to emit light from light guide in the form of point source of light, i.e., the light being guided in light guide is being met
The micro-structure is lighted when to micro-structure, micro-structure emergent light in the form of point source of light.Below only shown in Fig. 2A -2D
It is explained for micro-structure on light guide, the light guide in other embodiments can have same or similar micro- knot
Structure.
As shown in Figure 6A, it is arranged or is formed with micro-structure 2223 on the light-emitting surface 2221 of the light guide section of light guide 222,
It may include protrusion or salient point, such as conical projections, there is inclined-plane or tapered surface 2224, the light being guided in light guide exists
The micro-structure is lighted when encountering micro-structure 2223, so that light is emitted from the inclined-plane or tapered surface 2224 of micro-structure 2223, thus shape
At the form of point source of light.
Fig. 6 B shows the 222 ' of the another form of light guide section of light guide, is arranged or is formed on shady face 2222
Micro-structure 2225 may include recess or pit, such as tapered recess, have inclined-plane or tapered surface 2226, in light guide
The light being guided lights the micro-structure when encountering micro-structure 2225, so that light is from the inclined-plane or tapered surface 2226 of micro-structure 2225
Outgoing, to form the form of point source of light so that this light source assembly may be used as motor vehicles daytime running lamps or its
The light source of its lighting device.
It is appreciated that as needed, can be arranged or be formed with this micro- knot on the light-emitting surface and shady face of light guide
Multiple protrusions, multiple recess or combinations thereof are can be set or have been formed on structure, light-emitting surface or shady face., it will also be appreciated that figure
Show it is raised or sunken be only illustratively, the form of the micro-structure being arranged on the light-emitting surface or shady face of light guide not by
Limitation can use any be suitable for the structure of point source of light emergent light.
In an embodiment of the present invention, above-mentioned light guide 120,220,320,420,520 etc. or its light guide section may include
Flat light guide structure, for example, by using light guide plate form, the present invention is without limitation.
In an embodiment of the present invention, above-mentioned light obstructing member can be the machines such as adornment frame or the motor vehicles of lighting device
Frame a part.
The embodiments of the present invention also provide it is a kind of include the light source assembly as described in above-mentioned any embodiment illumination dress
It sets.Light source assembly described in the embodiment of the present invention for example can be used in any illumination and/or signal indicating device.The photograph
Bright and/or signal indicating device may include any kind of headlight for motor-driven vehicles and/or signal lamp, for example, headlamp, in
Entreat high-mount stop lamp, turn signal, position lamp, tail portion brake lamp etc..
The embodiments of the present invention also provide it is a kind of include light source assembly or above-mentioned photograph as described in above-mentioned any embodiment
The motor vehicles of bright device.
Although in conjunction with attached drawing, the present invention is described, and embodiment disclosed in attached drawing is intended to preferred to the present invention
Embodiment illustrates, and should not be understood as to a kind of limitation of the invention.Dimension scale in attached drawing is only
Schematically, limitation of the present invention can not be interpreted as.
Although some embodiments of present general inventive concept have been shown and have illustrated, those of ordinary skill in the art will be managed
Solution can make a change these embodiments in the case where the principle and spirit without departing substantially from this present general inventive concept, of the invention
Range is limited with claim and their equivalent.
Claims (19)
1. a kind of light source assembly (100,200,300,400,500), comprising:
Light-emitting component (110,210,310,410,510)；
First light guide (120,220,320,420,520), first light guide are configured to guidance and send out from the light-emitting component
The light penetrated projects the light source assembly along exit direction (R)；With
Light obstructing member (130), the light obstructing member are configured at least block the light-emitting component, so that when against the outgoing side
The light-emitting component is sightless when to viewing light source assembly.
2. light source assembly according to claim 1, wherein
First light guide includes that the first light guide section (121) and the second light guide section (122), the first light guide section are configured to receive
The light emitted from the light-emitting component, the second light guide section have the light-emitting surface for being emitted the light emitted from the light-emitting component
(1221) and the shady face opposite with light-emitting surface (1222)；And
The light obstructing member includes the first light-blocking member (131), which is located in the back of second light guide section
Between smooth surface and the light-emitting component, to block the light-emitting component.
3. light source assembly according to claim 2, wherein
First light guide section is from one end of the second light guide section to the first light-blocking member away from the side of second light guide section and to institute
Light-emitting component extension is stated, so that first light guide forms generally L-shaped or V-arrangement profile.
4. light source assembly according to any one of claim 1-3, wherein
The light obstructing member includes the second light-blocking member (132), which leads at least partly around described first
Light part and the light-emitting component are simultaneously provided with an exit portal (1321), so that by the light of the first light guide guidance along exit direction
(R) light source assembly is projected by the exit portal, and when being watched against the exit direction by the exit portal
The light-emitting component is sightless.
5. light source assembly according to claim 1, wherein
First light guide includes third light guide section (221) and the 4th light guide section (222), and third light guide section is configured to receive
The light emitted from the light-emitting component, the 4th light guide section have the light-emitting surface for being emitted the light emitted from the light-emitting component
(2221) and the shady face opposite with light-emitting surface (2222)；
The light obstructing member is limiting shading sky far from the light-emitting surface and at the position of the one end of the 4th light guide section
Between (S), at least part of the third light guide section and the light-emitting component are positioned and are hidden in the shading space.
6. light source assembly according to claim 5, wherein
First light guide further includes between third light guide section (221,321) and the 4th light guide section (222,322)
Five light guide sections (223,323), the 5th light guide section are located in the shading space and prolong from the one end of the 4th light guide section
Third light guide section is extended to, so that the 5th light guide section and third light guide section and the 4th light guide section are respectively formed generally L-shaped or V-arrangement wheel
It is wide.
7. light source assembly according to claim 5, wherein
The third light guide section (421,521) is on the direction away from the light-emitting surface from the institute of the 4th light guide section (422,522)
One end extension is stated, so that third light guide section and the 4th light guide section form generally L-shaped or V-arrangement profile.
8. light source assembly according to claim 6 or 7, wherein
The light obstructing member includes third light-blocking member (231,331,431,531), which has along the L
Part that shape or V-arrangement profile extend in the side of the shady face close to the 4th light guide section and partially around the third light guide section
With the light-emitting component.
9. light source assembly according to claim 8, wherein
The light obstructing member further includes the 4th light-blocking member (232,332,432,532), and the 4th light-blocking member is positioned adjacent to
The one end of 4th light guide section, so that the 4th light-blocking member and the 4th leaded light on the thickness direction (T) of the 4th light guide section
Portion is partly overlapped.
10. light source assembly according to claim 2 or 5, wherein at least one of the light-emitting surface and the shady face
It is provided with micro-structure (2223,2225), which is configured to emit light from the first light guide in the form of point source of light.
11. light source assembly according to claim 10, wherein the micro-structure includes raised (2223) and recess (2225)
At least one of.
12. according to claim 1,2, light source assembly described in any one of 5-7,9 and 11, wherein the first light guide includes into light
Side, and light source assembly includes being positioned adjacent to the incident side of the first light guide and emitting light into multiple in the first light guide
The light-emitting component.
13. according to claim 1,2, light source assembly described in any one of 5-7,9 and 11, wherein the light source assembly further includes fixed
The second light guide (260,460) of the incident side of position first light guide, second light guide are configured to linear or face
Light from the light-emitting component is directed in first light guide by shape form.
14. according to claim 1,2, light source assembly described in any one of any one of 5-7,9 and 11, further includes circuit board
(140,240,340,540), the light-emitting component are mounted on the circuit board, and light obstructing member is further configured to hide
The circuit board is kept off, so that the circuit board is also sightless when watching light source assembly against the exit direction.
15. according to claim 1,2, light source assembly described in any one of 5-7,9 and 11, wherein the light-emitting component includes
LED。
16. according to claim 1,2, light source assembly described in any one of 5-7,9 and 11, wherein the light obstructing member is a photograph
A part of the adornment frame of bright device.
17. according to claim 1,2, light source assembly described in any one of 5-7,9 and 11, wherein first light guide includes
Flat light guide structure.
18. a kind of lighting device, including according to claim 1 to light source assembly described in any one of 17.
19. a kind of motor vehicles, including according to claim 1 to light source assembly described in any one of 17 or according to claim
Lighting device described in 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710991898.7A CN109695854A (en) | 2017-10-20 | 2017-10-20 | Light source assembly, lighting device and motor vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710991898.7A CN109695854A (en) | 2017-10-20 | 2017-10-20 | Light source assembly, lighting device and motor vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109695854A true CN109695854A (en) | 2019-04-30 |
Family
ID=66226699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710991898.7A Pending CN109695854A (en) | 2017-10-20 | 2017-10-20 | Light source assembly, lighting device and motor vehicles |
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| Country | Link |
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| CN (1) | CN109695854A (en) |
Cited By (1)
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| CN113007660A (en) * | 2019-12-19 | 2021-06-22 | 斯坦雷电气株式会社 | Vehicle lamp |
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