CN107013857A - Lighting device and the manufacture method of lighting device for vehicle - Google Patents
Lighting device and the manufacture method of lighting device for vehicle Download PDFInfo
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- CN107013857A CN107013857A CN201610973725.8A CN201610973725A CN107013857A CN 107013857 A CN107013857 A CN 107013857A CN 201610973725 A CN201610973725 A CN 201610973725A CN 107013857 A CN107013857 A CN 107013857A
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- Prior art keywords
- conductor
- optical conductor
- light emitting
- lighting device
- emitting diode
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
- B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
- B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
- B60Q3/78—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for generating luminous strips, e.g. for marking trim component edges
-
- 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
-
- 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
-
- 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
- F21W2106/00—Interior vehicle lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Planar Illumination Modules (AREA)
- Led Device Packages (AREA)
Abstract
The present invention relates to a kind of for vehicle, the lighting device (1) particularly for interior lighting.It has the flat or shaft-like optical conductor (2) and multiple light emitting diodes (5) formed deviously.Wherein, the case surface (3) that optical conductor (2) and light emitting diode (5) are arranged for making light incide optical conductor (2) is interior.According to the present invention, light emitting diode (5) is placed on minimum two different circuit boards (4), and the circuit board is arranged in a row on optical conductor (2) or close to optical conductor (2) apart from one another by ground.Wherein, circuit board (4) contacts electric conductor (6) of the minimum of one along row guiding respectively.
Description
Technical field
The present invention relates to it is a kind of for vehicle have optical conductor and light emitting diode (light emitting diodes, abbreviation LED)
Lighting device, it is particularly suitable for use in the interior lighting of vehicle.Therefore it can realize interior lighting and the environment photograph for vehicle
It is bright.The invention further relates to a kind of manufacture method of such lighting device.
Background technology
Become known for the lighting device with light emitting diode of the interior lighting of vehicle in the introduction.For example
DE102013015343A1 or DE102013210261A1 individually disclose a kind of lighting device, plurality of light emitting diode
Light is incided in such as optical conductor.Such optical conductor can also form lamp line of the integration in inner space
(Lichtzeile)。
Generally such optical conductor is embedded into as such as door-plate or instrument board of vehicle in board member, and at this
Place is along the shaping by interior board member and predetermined contour extension.According to the shaping of instrument board, optical conductor must comply with geometry
Complicated profile, this is to arrangement of the light emitting diode on optical conductor and its production and installs and is proposed high requirement.
Therefore, it is known that light emitting diode will be installed on flexible printed circuit board from practice, it is also referred to as flexibility
Circuit board.It can follow the brake forming of optical conductor and bend, wherein bending radius only limited in manufacturing technology is can
Capable.Because the requirement to the shock resistance of electrically or electronically assembly in vehicle is also high, for persistence, flexible PCB
For example must extraly it be fixed by bonding.
European patent application EP2317210A1 describes a kind of LED light device of extension.One kind is also described simultaneously to exist
The method that neon light illumination is simulated in the case of using light-emitting diode assembly (" LED " device), wherein, have in the longitudinal direction
Reeded bar is formed in desired form, wherein, bar by can optical material be made, this can optical material be rigid, and
Comprising photodiffusion material, to produce the light similar to rainbow light.After bar cooling, photophore is in the length direction with bar
It is inserted into generally perpendicular direction in the groove of bar, wherein, photophore includes multiple light emitting diodes (" LED ").
In addition, U.S. Patent application US2015/0247613A1 discloses a kind of light guide for automobile.
German Patent Publication file DE102012105252A1 discloses what a kind of electronics for LED board was connected and positioned
Conductor rail system.This realize in retaining rail can be on the position of unrestricted choice by LED board quick links to power supply, wherein electricity
The power line in source is located on retaining rail.In order to manufacture the electrical contact, contact plug is pressed in by pressure in power line (6)
On LED board.For safety, LED board can be with the extendible biurcated rivet in biurcated rivet passage or with to be threadedly coupled
Bolt fix.
In the presence of simply manufacture optical conductor and circuit board and it is installed in the expectation in vehicle.Also show, it is soft
Property circuit board only allows modification diversity limited in vehicle, because flexible PCB must adapt to every kind of vehicle complicatedly
Modification.
The content of the invention
Therefore the purpose of the present invention is that the photograph for vehicle is obtained in the case where using structure instrument as simple as possible
Bright device, it allows the optical conductor for simply and independently adapting to different form constructions in the case of high shock resistance.
The purpose is realized by the theme of independent claims.Given in dependent claims, specification and accompanying drawing
Go out favourable other schemes of the present invention.
According to the vehicle that is used for of the present invention, particularly the lighting device for the interior lighting of vehicle, which has, is used for dispersed light
Distribution the flat or shaft-like optical conductor formed deviously, wherein, particularly bar can have (ring-type) it is circular, ellipse
Circular or square-section.In addition, setting is multiple, i.e., more than two light emitting diodes (light emitting diode, abbreviation LED).
Optical conductor and light emitting diode are presented to incident for light in the case surface of optical conductor respectively.Therefore optical conductor can be used
Act on the diffuser of light emitting diode.
According to the present invention, light emitting diode is placed at least two, three, more than four until multiple mutually different electricity
On the plate of road.That is, circuit board is not interconnected, but is formed disconnected from each otherly.It is advantageous, however, that different circuit boards is identical
But the general part formed disconnected from each otherly.In this case, single light emitting diode can also constitute light emitting diode group, its
Middle light emitting diode group is placed on different circuit boards.Different circuit boards is on optical conductor or close to a line of optical conductor
On apart from one another by ground arrangement, wherein, circuit board respectively with minimum of one along row and guide electrical conductor contacts.That is, circuit board
With it is common, i.e., each with same electrical conductor contacts.The electric conductor has positive potential or negative potential.Ideally however, set
First and second electric conductors, it is adjacent to or abreast guided, one of them be connected with positive potential and another with
Negative potential is connected.The nominal section of electric conductor is preferably 0.5mm2, preferably from about 0.13mm2.Conduct can also be guided along row
3rd conductor of signal wire, sets the conductor to be used to transmit the transmission of pwm signal or other control signals for circuit board.
In addition it is possible that a circuit board in a line performs the master for other circuit boards that control is implemented as subordinate (Slave)
Want function.Circuit board can be directly anchored on optical conductor or on light guide body support frame, such as a kind of framework, and it keeps optical conductor certainly
Body and also holding circuit plate when needing.
According to the present invention, at least one electric conductor is placed on optical conductor in typography.Therefore optical conductor is as non-
Conducting base, electric conductor is printed on the matrix along its extension line, so that electric conductor is arranged on matrix, is more properly arranged
On optical conductor.
In one embodiment, electric conductor can be configured to particularly flat, i.e. its thickness and length and width
Compared to smaller.
Using these constructions, the present invention realizes the formation of the lamp line for example used in vehicle, wherein, lamp line can also
Follow the shape and profile in complex geometry, particularly space.Particularly in the interior board member of the arcuate shape of vehicle, such as
In door-plate or instrument board with arcuate shape, light emitting diode has the electricity for the light emitting diode being disposed thereon in other words
Road plate is flexibly arranged along electric conductor, and and electrical conductor contacts.In addition, the simple level series connection of lighting device is feasible
, because according to demand, simply a small amount of or multiple circuit board layouts are embarked on journey, circuit board is common with minimum of one respectively
Electric conductor is contacted with positive potential or negative potential.The single light emitting diode or luminous obtained from by different circuit boards
The distribution of diode group, can calibrate light emitting diode before light emitting diode is arranged in lamp line.Pass through different circuits
Plate, additionally it is possible to realize different intervals between single circuit board in a row, thus light distribution can adapt to it is different curved
It is bent.In addition, circuit board, i.e. so-called flexible PCB of the present invention without using flexible construction, so as to pass through rigid and structure
Make small circuit board and realize high anti-seismic performance, which ensure that durability and kinetic energy security during vehicle operation.These
Rigid circuit board is also due to simple mechanism design is more more economical than flexible PCB.
Particularly advantageous scheme is that optical conductor is preferably to be had for example by what transparent plastic material was made
(annular or semicircle) is circular, the guide-lighting bar of the rigidity of ellipse or square-section.Guide-lighting bar can have several centimetres to one meter or
Several meters of length.Plastic material is, for example, polymethyl methacrylate (PMMA), and it also being capable of injection molding.Preferably, light guide
Body is arranged on case surface for the outgoing of light.For example, case surface can have the edge of blockiness, so that scattered
Light outgoing.The shaft-like lamp line for realizing linear structure and the integration simple in construction in the interior board member of vehicle,
It is exactly for example, integration is in the abutting edge or seam of covering material or leather cover.Therefore generate and be ideally embedded in inner panel
The illuminated area of wire in part.
In addition, the dyed layer particularly manufactured in typography can also be arranged on optical conductor, to avoid from multiple
The light of the light of light emitting diode transmitting is propagated and simultaneously or the inhomogeneities in optional reflection.Dyed layer can be arranged in
Between optical conductor and at least one electric conductor, or alternatively after the printing of electric conductor while covering the electric conductor.Can be with
Consider two or more dyed layer, it can also be arranged in combination.It can also can be considered to select face according to aesthetics according to technology
Color (white, black, colour).
When optical conductor is along that is, with 3D shape on the direction of the row of circuit board formation, such as with more bendings
When, the present invention can be applied particularly advantageously.Because by simply changing the interval between circuit board so that different, i.e.,
The circuit board of separation can flexibly adapt to bending or curve.
It has been proved that for visually attractive illumination, it is advantageous to depending at least on optical conductor degree of crook and
The interval between rows of different circuit board is determined, the wherein higher interval of degree of crook is smaller, and degree of crook more low tone is every more
Greatly.That is, the strong bending of optical conductor or small bending radius result in the mutual of various boards in the section
The narrower arrangement in interval.Relatively, weak bending or big bending radius cause the spaced bigger of various boards
Arrangement.
According to the shape of optical conductor and its bending, it is advantageous to which different, separated circuit board is in optical conductor
Arrange with being mutually displaced with being embarked on journey in case surface.That is, row is also to be formed spirally, zigzag, or circuit board is across
The longitudinal direction of optical conductor and apart from one another by.When optical conductor is formed as shaft-like and has bending in different directions, this is special
It is not favourable.
For it is simple in construction implement optical conductor in the case of while for keeping high flexibility advantageously, circuit board exists
Facing away from the flat sides of optical conductor have at least one, that is, one or more preferred bifurcateds cut-out crimp connector,
To contact electric conductor., should by SMT (surface mounting technique) or by through hole technology (through hole technology, abbreviation THT)
Cut-out crimp connector can be preferably fixed by welding on circuit board as the electric contact piece of Plane Installation.Cut-out pressure
Connecting connector is connected via the circuit with one or more light emitting diodes or through being controlled by it electronic device.In cut-out
In crimp connector, electric conductor is simply depressed into according to the arrangement of circuit board, and thus made electrical contact with circuit board.Circuit
Plate, light emitting diode and the structural detail of other arrangements on circuit boards is supplied electric power by supply unit when needing.
In order to simple in construction and economically produce optical conductor, and electric conductor is simply installed, it has proved that, work as conductance
Body is favourable when being flexible strand or flexible flat ribbon cable.It preferably has insulating sheath, insulation shield
It is enclosed on when being pressed into one or more cut-out crimp connectors and is simply cut.In order to electric absolutely with adjacent vehicle part
Edge, contact point can be covered by fringing (Einfassung).
Instead, for saving firmly and if necessary space-efficient design, electric conductor can be compiled as strand, wire
Knitmesh is installed in minimum of one conductor channel as conductive coating, and the conductor channel is in optical conductor or in light guide
On body, or, in optical conductor bearing or on optical conductor bearing, such as keep the framework of optical conductor.More specifically, electric conductor can
To be formed without insulating sheath, but as strand that is being enclosed in conductor channel or being embedded, woven wire cloth,
Or it is used as the coating being applied on the surface of conductor channel.The material of electric wire, woven wire cloth or coating is preferably copper
Or copper coating.Conductor channel is preferably formed to have the guide rail shape or channel form of side wall.This external electrical conductors can load or
It is embedded into the passage bed between the wall of side.Conductive coating can be understood as printing electric conductor.Conductive channel is realized for ink
Side wall so that ink does not lose or lost before curing less.
For printing electric conductor advantageously, conductive channel is in rib shape across longitudinal direction, or with wave structure.So as to
Enough reduce the loss of ink.In one embodiment, conductor channel can have shallow depth on the transition part to groove,
There is dam in other words, ink is preferably maintained in conductor channel before solidification or sintering, and so as to manufacture more
Thick electric conductor, the i.e. electric conductor with bigger section.The loss or outflow of ink will be avoided.The combination of wave structure and dam
It is feasible.In this case, wave structure is up to about the 50% of the high point on dam.
In order to simply install lighting device, it is advantageous to which circuit board has at least in the flat sides for face optical conductor
One is used for electrical conductor contacts from its stretching, namely the contact plug stretched out from circuit board surface.The contact plug for example can
It is enough to be soldered, and can also be inserted into when needing in the matrix of circuit board.
In order to which contact plug is simply inserted into conductive channel, contact plug is formed as extending into conductor channel.Therefore
Circuit board can be simply inserted on optical conductor or optical conductor bearing via the pin, and also along conductor channel displacement, and
And be aligned along row towards defined location.Contact plug is adapted to conductor channel for example formed as cylinder, wherein external diameter
Internal diameter.But other sections are also feasible.It is desirable that the external diameter of contact plug is at least slightly less than the internal diameter of conductor channel.
For lighting device extra high shock resistance advantageously, contact plug is pressed into conductor channel.Conductor leads to
Road, which can for example have, makes what conductor channel laterally narrowed, i.e., from side wall towards the internal projection stretched out, contact plug press-in should
In projection.
Contact for lasting security and circuit board being fixed with optical conductor or optical conductor bearing when needing
Profit, conductor channel has the minimum of one clamping element for being used for fixing minimum of one contact plug.
The thought of the present invention can also be implemented by manufacture method.Illumination according to the manufacture of the present invention for vehicle is filled
The step of method put at least includes providing optical conductor, multiple light emitting diodes are arranged on optical conductor or close to optical conductor cloth
The step of putting, and the step of printing minimum of one electric conductor.
In deposition step, multiple light emitting diodes are apart from one another by ground on optical conductor or close to the rows of cloth of optical conductor
Put.In the case surface that light emitting diode is set to make light incide optical conductor.In print steps, by minimum of one electric conductor
It is printed on optical conductor.At this moment at least one light emitting diode of electrical conductor contacts or a circuit board being printed, in the electricity
Light emitting diode is disposed with the plate of road.If light emitting diode is arranged on circuit boards, conducting wire is set on circuit boards,
It establishes the electrical contact of light emitting diode by the contact contact with electric conductor.
By typography, such as, by intaglio printing, hectographic printing or flexographic printing realize minimum of one electric conductor
Printing.It is also conceivable to silk-screen printing (Siebdruckverfahren).For it is specifically preferred according to the invention be ink jet printing
Technique (Inkjetdruckverfahren), it is also referred to as InkJet printing processes (Tintenstrahldruckverfahren).
In the case of ink-jet printing process, particularly by fluid media (medium) in the way of dropwise addition, such as pigment can also be referred to as ink
Water, is applied on matrix, for example, utilize multiple nozzles preferably used at the same time.Fluid pigment can be solution, dispersoid or
The form of person's suspension.Pigment is conductive.It is used as feasible pigment, it is also contemplated that other colloidal metal solutions, particularly
Silver ink (Silbertinte), or it is ink (Nano-Ink) to receive, it includes such as CNT as conductive tool.
Pigment can be after being printed on matrix, such as before other layers are applied, such as by heat and/or UV beams
Solidification.
Printing process can also include the technical process of sintering.
Alternatively, optical conductor has groove or otch, and electric conductor can be arranged in groove or otch.Thus enable that
The thickness of electric conductor more easily increases.Other materials can be additionally used, because being used in being incorporated into groove or otch
The material of electric conductor is guided until sintering or solidifying by corresponding.
Electric conductor can have conductive material, name just a few, for example copper, silver, gold, platinum.
The thickness of the conductor section of application for example can be by the thick dyed layer of printing or the multiple thin dyed layers of application
Change in a straightforward manner, so as to optionally determine the section thickness of the first and second conductor sections in a straightforward manner.
Thus the thick cross-sectional area of conductor of manufacture can also be printed.
In print steps, at least one electric conductor is electrically and mechanically connected with least one light emitting diode.
In deposition step, light emitting diode can be clipped in the recess of optical conductor, connected in adhesion process with optical conductor
Connect, or realize in another way light emitting diode is fixed on optical conductor.For example, can be in optical conductor in the side of recess
Stop device is set on wall, and after arrangement light emitting diode, light emitting diode is firmly held in predetermined by the stop device
Position.
It is also conceivable to the combination of printed conductor and insertion conductor, as described above.
Alternatively, there is provided adhesion step.Herein, after printing minimum of one electric conductor, electric conductivity is extraly applied
Adhesive, the electrical pickoff of light emitting diode is electrically connected with printing electric conductor.Advantageously, so that also by light emitting diode
It is fixed on optical conductor.
Inhomogeneities in propagating or reflect in order to avoid the light for the light launched from light emitting diode, can be in optical conductor
Dyed layer is arranged on side.Dyed layer can be arranged between optical conductor and electric conductor, or covering electric conductor.It is above-mentioned on cloth
Putting two modifications of dyed layer can also combine.The electric insulation of electric conductor can also be realized simultaneously using dyed layer.One
In individual embodiment, dyed layer is film (Folie).Alternatively, dyed layer can be applied in print steps.
The combination of printing electric conductor and light emitting diode (LED) and other Electrical and Electronic components is realized：When all
Component and light emitting diode are arranged on optical conductor, and via printed wire or electric conductor coincident circuit figure connection when,
Circuit board is eliminated completely.
Brief description of the drawings
The advantageous embodiment of the present invention is described next with reference to accompanying drawing.There is shown with：
Lighting devices according to first embodiment of the Fig. 1 in schematic side elevation, it has optical conductor and is arranged in
Light emitting diode on optical conductor；
Lighting devices according to first embodiment of the Fig. 2 in schematic plan, it has optical conductor and is arranged in
Light emitting diode on optical conductor；
Lighting devices according to second embodiment of the Fig. 3 in schematic side elevation, it has optical conductor and is arranged in
Light emitting diode on optical conductor；
Lighting devices according to second embodiment of the Fig. 4 in perspective schematic view, it has optical conductor and is arranged in
Light emitting diode on optical conductor；
Lighting devices according to another construction of the Fig. 5 in perspective schematic view, it has optical conductor and is arranged in light
Light emitting diode on conductor；
Lighting devices according to another construction of the Fig. 6 in schematic side elevation, it has optical conductor and is arranged in light guide
Light emitting diode and printed electric conductor on body；
Lighting devices according to another construction of the Fig. 7 in schematic sectional view, it has optical conductor and is arranged in light guide
Light emitting diode and printed electric conductor on body；And
The flow chart of Fig. 8 manufacture methods according to an embodiment of the invention.
List of reference signs
1 lighting device
2 optical conductors (such as guide-lighting bar)
3 case surfaces (such as outer surface)
More than 4 circuit board
More than 5 light emitting diode (LED)
6 electric conductors/multiple electric conductors
7 conductor channels
8 contact elements (for example, cylindrical contact pin)
9 clamping elements
10 cutting crimp connectors
11 alignment pins
12 signal wires
13 recesses
14 conductive adhesives
15 dyed layers
S1 provides step
S2 deposition steps
S3 print steps
R longitudinal directions
U is circumferential
Embodiment
Accompanying drawing is only schematic illustration, and is merely to illustrate the present invention.Same or analogous element is as one man provided with phase
Same reference number.
Fig. 1 shows the lighting device 1 for vehicle in the first embodiment, and its inside for being particularly suitable for use in vehicle is shone
It is bright.Such as backlight lamp line of its interior board member that can be achieved in vehicle.
Lighting device 1 has the optical conductor 2 formed deviously, and optical conductor is the guide-lighting bar with semi-circular cross-section herein,
It is further divided into flat section (being not further indicated) and circular section (being not further indicated).Optical conductor 2 is by transparent
, translucent synthetic material be made by using injection molding process, wherein synthetic material used herein is PMMA.This
Locating optical conductor 2 has multiple bending sections, and multiple bending sections have degree of crook mutually different at least in part, to follow inner panel
The geometric format or profile of part.
Multiple circuit boards 4 formed disconnected from each otherly are arranged in the case surface 3 of optical conductor 2, wherein, these circuits
Plate is arranged in flat section, can preferably be fixed on optical conductor 2.Seven circuit boards 4 are exemplarily illustrated herein, its
Middle length and/or demand according to optical conductor 2 can also set two or even more than circuit board 4.Circuit board 4 is along light guide
Longitudinal R arrangements of body 2 are in a row.As can be known from Fig. 1, arrangement different circuit boards 4 in a row be mutually of it is independent between
Every herein exemplarily with d1To d6These intervals are shown.Especially determine to be spaced by the degree of crook of optical conductor 2, wherein,
Degree of crook is higher, i.e., stronger bending, then causes the smaller interval between different circuit boards 4.If on the contrary, curved
It is bent weaker, then it is spaced d bigger.
In addition, circuit board 4 carries multiple light emitting diodes 5, it is dispersedly arranged on different circuit boards 4.In addition, with
In control light emitting diode 5 (unshowned) electrically and/or electronic component attaching on the circuit board 4.Will be multiple according to demand
Single light emitting diode 5 is combined into light emitting diode group, and is arranged on single circuit board 4.Herein, light emitting diode
5 are embodied as so-called RGB light emitting diodes by polychrome, to launch red, green and blue and secondary colour.In the present embodiment
It is related to the circuit board 4 implemented identically in relation to each other and the light emitting diode 5 of each identical quantity.Circuit board 4 is by substantially rigid
Matrix is formed, and is thus antidetonation.
Circuit board 4 and the light emitting diode 5 being disposed thereon are arranged along optical conductor 2 so that realized via case surface 3
It is incident and from the light outgoing of optical conductor 2 to the light in optical conductor 2.Therefore, optical conductor 2 in flat section for example with recessed
Portion, light emitting diode 5 is extended at least partially into the recess.Light outgoing, the circle mainly occur in circular section
The summit of section is opposite with flat section.
Electric conductor 6 (see Fig. 2) only can be limitedly seen in Fig. 1, and it is gone and be directed along circuit board 4.At this
In embodiment, electric conductor 6 as copper is coated or layers of copper and be introduced into the conductor channel 7 (see Fig. 2) of optical conductor 2, copper is coated or copper
The thickness of layer depends on the power consumption of light emitting diode 5.Electricity can be realized along the row guiding electric conductor 6 of light emitting diode 5
The electrical contact of conductor 6, the electrical contact is independent on interval d to each other and at least largely can freely matched somebody with somebody
Put.Also known by Fig. 1, circuit board 4 has multiple contact plugs 8 in its flat sides towards optical conductor, the plurality of contact plug 8 is inserted
Enter into conductor channel 7 to contact electric conductor 6.
Fig. 2 shows the top view of the partial sector of optical conductor 2.It can be seen that the case surface 3 of optical conductor 2 is flat
Section has two conductor channels 7 arranged parallel to each other, and two conductor channels 7 are respectively provided with for forming leading for electric conductor 6
Electrolytic copper layer.In order to be powered to different circuit boards 4, a conductor channel 7 is electrically connected with (unshowned) positive potential, and another
Individual conductor channel 7 is electrically connected with (unshowned) negative potential.Conductor channel 7 each has two side walls, between two side walls
The electric conductor 6 of introduction passage bed type.Also know in fig. 2, clamping element 9 stretches into passage from the side wall side face of conductor channel
It is internal.Shown as ground, in order to accommodate and set clamping element 9 to crimp cylindrical contact pin 8.As flexible member,
Clamping element 9 is formed with the elastomeric element of two similar leaf-spring-likes, and the precharge on the direction towards channel interior.So as to connect
Contact pin 8 can be crimped in clamping element 9 by the mutual extruding of elastomeric element.
Figure 3 illustrates the second embodiment of lighting device 1.In order to avoid repeating, only explanation is implemented with foregoing below
The different feature of example.
As shown in figure 3, electric conductor 3 is not introduced into or is embedded into optical conductor 2 herein, but it is directed to embark on journey along arrangement
Circuit board 4 and separated with optical conductor 2.In this embodiment, electric conductor 6 is embodied as the strand or flat ribbon cable of flexibility,
The bending of optical conductor 2 can be so adapted to particularly well.
In figure 3 it is also known that electric conductor 3 is directed in flat sides facing away from optical conductor 2 on the circuit board 4 along electricity
The row of road plate 4.That is, circuit board 4 is arranged between electric conductor 6 and optical conductor 2.For the electrical contact of electric conductor 6, in circuit board 4
The flat sides facing away from optical conductor 2 on arrangement cut-out crimp connector 10, electric conductor 6 is pressed by cutting off its insulation-coated
Or be compressed in the cut-out crimp connector 10, and be thus kept.It is desirable that circuit board 4 is installed in optical conductor 2 first
On, then electric conductor 6 is pressed into cut-out crimp connector 10.
Arrange Cylindrical locating pins 11 in the flat sides for facing optical conductor 2 of circuit board 4, its herein it goes without doing contact
Pin, is only used for being fixed on optical conductor 2.For example, they are pressed into the circular recess of optical conductor 2, or pressed
Enter to similar to conductor channel 7 is such a or multiple fixed passages in, so that circuit board 4 is maintained on optical conductor 2.Gu
Routing can also have clamping element 9.
Fig. 4 shows to show the partial sector of optical conductor 2 in the perspective, as can be seen from Figure 4, in circuit board 4 facing away from light guide
The cut-out crimp connector 10 of more than two current potentials for different electric conductors 6 is arranged in the flat sides of body 2.In addition,
There is provided the 3rd cut-out crimp connector 10 of the signal wire 12 for contacting flexibility, circuit board 4 is realized via the signal wire 12
That is the control of light emitting diode 5.
Fig. 5 shows the partial sector of optical conductor 2, wherein, circumferential U of two different circuit boards 4 in case surface 3 herein
On be mutually displaced.This is easily realized based on flexible electric conductor 6 and flexible signal wire 12.Understand the outer rim of circuit board 4
And it is unjustified, but on the parallel lines being mutually displaced.What this was distorted mutually, i.e., shifted on circumferential U and be arranged such that light enters
Optical conductor 2 can be well adapted to by penetrating.
According to the embodiment shown, lighting device 1 can be changed in many-side.For example, it is possible that contact plug 8 is pressed
In conductor channel 7, wherein setting up two basic change portion for press-fit (Presspassen).Thus, it is possible to omit clamping element
9.It is also conceivable to not only forming two but forming three conductor channels 7, two of which conductor channel 7 is connected with current potential,
And the 3rd conductor channel 7 is connected with signalling means, for signal transmission, such as to control light emitting diode 5.Utilize corresponding shape
The shaping jig of shape, additionally it is possible to which realization makes optical conductor 2 be formed as having along case surface 3 spirally or zigzag
The conductor channel 7 of extension, so that circuit board 4 can be arranged to be mutually displaced in the circumferential.
Fig. 6 shows the lighting device 1 in side view according to an embodiment of the invention.Side view is shown through optical conductor
2 longitudinal section.Optical conductor 2 has two recesses 13, and is each disposed with light emitting diode 5 in recess.Wherein in Fig. 6 left side
The light emitting diode 5 shown is arranged on the circuit board 4, is directly loadable into the light emitting diode 5 shown in right side in recess 13, is
Electronic unit or power module needed for this dividually arrange on optical conductor 2, and via printing electric conductor 6 and with
(shown in right side) light emitting diode 5 is connected.Light emitting diode 5 will be contacted with the electric conductor 6 being stamped on optical conductor 2.
Strengthened by conductive adhesive 14 between light emitting diode 5 and electric conductor 6 electrically and mechanically, the electric conductivity is glued
Mixture arrangement therebetween between transition part on, i.e. be applied in the region that light emitting diode 5 and electric conductor 6 are connected
On the circuit board 4 being connected on light emitting diode 5 or with light emitting diode.Conductive adhesive 14 is completed and optical conductor 2
Electrical connection and mechanical connection.
At the electric conductor 6 shown in right side, dyed layer 15 is arranged between optical conductor 2 and electric conductor 6.In an implementation
In example, the dyed layer 15 is formed as electric insulation.Dyed layer 15 for example applies in typography (Druckverfahren).
Fig. 7 shows to cross the sectional view of lighting device 1 according to an embodiment of the invention.The electric conductor 6 significantly printed
It is arranged in the conductor channel 7 for being formed as groove or otch.By this shape-designing, although when ink starts being liquid,
Also (can conduct ground) and realize is used for the necessary thickness of electric conductor 6 in cross section.Ink is maintained at pre- by conductive channel 7
Until solidification at fixed position.
Fig. 8 shows the flow chart of manufacture method according to an embodiment of the invention.This method has at least three steps：Carry
For S1, arrangement S2 and printing S3.Manufacture for vehicle, filled in particular for the illumination of interior lighting by the above method
Put.In step S1 is provided, it will thus provide optical conductor.In deposition step S2, multiple light emitting diodes be arranged on optical conductor or
Person is arranged close to optical conductor, and then in print steps S3, minimum of one electric conductor is printed on optical conductor, so as to send out
Optical diode and minimum of one electrical conductor contacts.
Alternatively, print steps S3 includes the sub-step (Unterschritt) of sintering or (part) heating, for example, pass through
Radiated using UV ray.Solidify thereby, it is possible to conductive " ink ".
Alternatively, this method has adhesion step S4.In optional adhesion step S4, after print steps S3, most
A few electric conductor is electrically connected using electrical pickoff by conductive adhesive with least one in light emitting diode.
In a particular embodiments, this method includes the step S5 of optional impressing dyed layer.Can be in minimum of one electricity
Before the print steps S3 of conductor, between or implement print steps S5 afterwards.Dyed layer is nonconducting in a preferred embodiment.
Dyed layer is, for example, the color of white, the black desired ambient lighting either such as red, blueness or green.Thus colour
Layer alternatively for example has high reflectivity by the metallic particles wherein contained.It will be avoided from light-emitting diodes by dyed layer
The inhomogeneities that the light of the light of pipe transmitting is propagated.
Claims (15)
1. a kind of lighting device (1), for vehicle, is particularly used for interior lighting, has：
~formed deviously, flat or shaft-like optical conductor (2)；And
~multiple light emitting diodes (5),
~wherein, the optical conductor (2) and the light emitting diode (5) are arranged for making light incide the optical conductor
(2) in case surface (3),
~the light emitting diode (5) is arranged on the optical conductor (2) or close to the optical conductor (2) apart from one another by ground
OK,
Characterized in that,
The light emitting diode (5) each contacts minimum of one electric conductor (6), and the electric conductor is directed along row and in print
Manufactured in dataller's skill.
2. lighting device (1) according to claim 1, is characterised by, the light emitting diode (5) is placed in minimum two
On different circuit boards (4), the circuit board embarked on journey on the optical conductor (2) or close to optical conductor (2) apart from one another by
Ground is arranged.
3. lighting device (1) according to claim 1 or 2, is characterised by, the optical conductor (2) is by transparent plastics
The guide-lighting bar that material is made.
4. the lighting device (1) according to one of preceding claims, is characterised by, the electric conductor being made in typography
(6) between the optical conductor (2) or on, the dyed layer (15) particularly manufactured in typography is arranged, to avoid
Inhomogeneities from the light propagation and/or reflection of the light of multiple light emitting diode (5) transmittings.
5. the lighting device (1) according to one of preceding claims, is characterised by, depending at least on the optical conductor (2)
Degree of crook limits interval (d, d between the different circuit boards (4) in a line1-d6), wherein, degree of crook is higher
It is then described to be spaced (d, d1-d6) smaller, and the more low then described interval of the degree of crook is bigger.
6. the lighting device (1) according to one of preceding claims, is characterised by, the circuit board (4) is in the light guide
Arranged with being mutually displaced with embarking on journey in the case surface (3) of body (2).
7. the lighting device (1) according to one of preceding claims, is characterised by, the circuit board (4) is facing away from described
There is the minimum of one cut-out crimp connector (10) for being used to contact the electric conductor (6) on the flat side of optical conductor (2).
8. the lighting device (1) according to one of preceding claims, is characterised by, the electric conductor (6) is flexible strands
Or flexible flat ribbon cable.
9. the lighting device (1) according to one of Claims 1-4, is characterised by, the electric conductor (6) is used as wire
Mesh grid is introduced as coating among or on the optical conductor (2) or among or on light guide body support frame
Minimum of one conductor channel (7) in.
10. lighting device (1) according to claim 7, is characterised by, the circuit board (4) is towards the optical conductor
(2) have that minimum of one protrudes at this in flat sides to the contact plug (8) that is contacted with the electric conductor (6).
11. lighting device (1) according to claim 8, is characterised by, the contact plug (8) is formed as being used to extend into
In the conductor channel (7).
12. lighting device (1) according to claim 8 or claim 9, is characterised by, the contact plug (8) is pressed against described lead
In body passage (7).
13. one kind is used for the method for manufacturing lighting device (1), the lighting device is used for vehicle, is particularly used for interior lighting,
Methods described has steps of：
~providing (S1), there is provided being formed deviously, flat or shaft-like optical conductor (2)；
~arrangement (S2), to set light emitting diode to make light incide in the case surfaces (3) of the optical conductor (2)
(5) mode, by multiple light emitting diodes (5) on the optical conductor (2) or close to the optical conductor embark on journey with each other
Every ground arrangement；
~printing (S3), along the row printing minimum of one electric conductor (6) on the optical conductor (2) so that the light-emitting diodes
(5) electric conductor (6) described in minimum of one is managed to contact.
14. method according to claim 13, with adhesion step, wherein, after the printing, the minimum of one conductance
Body (2) is electrically connected by electrical pickoff with light emitting diode at least one described (5) by conductive adhesive (14).
15. the method according to claim 13 or 14, before or after the print steps, implements dyed layer
(15) print steps on the optical conductor (2) are printed on, to avoid the light of the light from multiple light emitting diode (5) transmittings
Inhomogeneities in propagating and/or reflecting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015119109.1 | 2015-11-06 | ||
| DE102015119109 | 2015-11-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107013857A true CN107013857A (en) | 2017-08-04 |
| CN107013857B CN107013857B (en) | 2023-12-12 |
Family
ID=58585064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610973725.8A Active CN107013857B (en) | 2015-11-06 | 2016-11-04 | Lighting device for vehicle and manufacturing method of lighting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107013857B (en) |
| DE (1) | DE102016121047B4 (en) |
Cited By (1)
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| CN112747284A (en) * | 2021-03-05 | 2021-05-04 | 深圳市银宝山新科技股份有限公司 | Rhythm product and manufacturing process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017211659A1 (en) * | 2017-07-07 | 2019-01-10 | Bayerische Motoren Werke Aktiengesellschaft | Lighting unit for a vehicle and method for its manufacture |
| DE102020134419A1 (en) | 2020-12-21 | 2022-06-23 | Hib Trim Part Solutions Gmbh | Illuminatable decorative part with a molded part with a light strip arranged on the back and method for producing the decorative part |
| DE102022127235A1 (en) | 2022-10-18 | 2024-04-18 | HELLA GmbH & Co. KGaA | Lighting device for vehicles |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102016121047B4 (en) | 2021-07-01 |
| CN107013857B (en) | 2023-12-12 |
| DE102016121047A1 (en) | 2017-05-11 |
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