CN103201556A - Lighting or signalling device for a motor vehicle comprising a light-guiding layer - Google Patents

Lighting or signalling device for a motor vehicle comprising a light-guiding layer Download PDF

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Publication number
CN103201556A
CN103201556A CN2011800531147A CN201180053114A CN103201556A CN 103201556 A CN103201556 A CN 103201556A CN 2011800531147 A CN2011800531147 A CN 2011800531147A CN 201180053114 A CN201180053114 A CN 201180053114A CN 103201556 A CN103201556 A CN 103201556A
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CN
China
Prior art keywords
photoconductive layer
illumination
recoil simulator
circuit board
lower member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011800531147A
Other languages
Chinese (zh)
Other versions
CN103201556B (en
Inventor
M·埃尔米特
N·科姆
J·希龙
F·萨格林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Vision SAS
PSA Automobiles SA
Original Assignee
Valeo Vision SAS
PSA Automobiles SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of CN103201556A publication Critical patent/CN103201556A/en
Application granted granted Critical
Publication of CN103201556B publication Critical patent/CN103201556B/en
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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
    • F21S43/20—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
    • F21S43/249—Light guides with two or more light sources being coupled into the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24—Light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/236—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
    • F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

A lighting or signaling device for a motor vehicle, the lighting or signaling device comprising: a light guiding layer (1) having an upper surface (1 a) and a lower surface (1 b), an output edge (1 d) and a rear side edge (1 c) having at least one lobe; at least one electroluminescent diode (3), mounted on the printed circuit board (B), capable of projecting a light beam through the surface of a light-guiding layer, which provides, by refraction and/or reflection on the surface and on the rear side edge, a substantially parallel light beam, said substantially parallel light beam being exposed through the output edge (1 d); fixing means (F) for fixing the light-guiding layer (1, 1 ') in a support (D), the fixing means of the light-guiding layer comprising fastening means (S) for fastening a surface (1 a, 1 b) of the light-guiding layer between an upper element (6) against which an upper surface (1 a) of the light-guiding layer is applied and a lower member (7) against which a lower surface (1 b) is applied, and positioning means (P) being provided between the lower member (7, 7', 7 '') and the light-guiding layer (1) and between the different components (6, 12) of the device (A).

Description

The illumination or the recoil simulator that are used for motor vehicles that comprise photoconductive layer
Technical field
The present invention relates to a kind of illumination for motor vehicles or recoil simulator, described illumination or recoil simulator comprise:
-photoconductive layer, described photoconductive layer have upper surface and lower surface, output edge and have the posterior edges of at least one lobe shape portion, and described upper surface is normally parallel with lower surface,
-at least one light source, described light source is the light source of electroluminescent diode type, install at printed circuit board (PCB), can be by the surperficial projecting beam of photoconductive layer, photoconductive layer passes through in surface and refraction and/or reflection on posterior edges, substantially parallel light beam is provided, and described substantially parallel light beam exposes by the output edge
-photoconductive layer is fixed on fixed part in the support member.
Background technology
This class device is known, particularly by patent documentation EP2169296A1.Although this class device provides satisfied property, expectation be that fixed part to photoconductive layer improves, with keep from photoconductive layer go out from uniformity of light, with its optical property (prestation optique), particularly avoid producing and lead to the photoconductive layer inside holes, or avoid producing the extention that is fixed on this photoconductive layer.In fact suitable is follows optical surface and at the parabola of photoconductive layer rear side, with do not produce that luminosity disturbs and especially be not created in the optical component of being formed from photoconductive layer go out from the interference of uniformity aspect, the surface that described optical surface is normally smooth, on the photoconductive layer and under.
Summary of the invention
According to the present invention, a kind of signal lighting device that is used for the motor vehicles of preamble defined type is characterised in that:
The fixed part of-photoconductive layer comprises that the surface with photoconductive layer is fastened on the secure component between upper element and the lower member, the upper surface of the photoconductive layer upper element that reclines, the lower surface lower member that reclines,
-and positioning element is arranged between lower member and the photoconductive layer.
Also can be included in positioning element between a plurality of its different assemblies according to signal lighting device of the present invention, to guarantee at the suitable relative position between these assemblies.
The upper element that photoconductive layer reclines can be made up of the printed circuit board (PCB) of arranging above photoconductive layer.
Secure component can comprise: upper component, and upper component comprises leading edge, leading edge is blocked printed circuit board (PCB) and is stopped near photoconductive layer; And, the secure component of upper component and lower member.
Advantageously, upper component is independent of lower member; Secure component comprises at least one retention mechanism, and retention mechanism is arranged on the posterior edges back, so that the photoconductive layer pincers are held between two members.Retention mechanism can comprise at least one screw.
According to a modification, upper component and lower member form an entire combination part, and definite sealing, and photoconductive layer is installed to take out sliding mode in described sealing.
The following portion of sealing can comprise at least one spring leaf, and spring leaf is level particularly, protrudes backward, forms retention mechanism.Spring leaf preferably can comprise groove seat or pin, and described groove seat or pin can cooperate with the pin that arranges below photoconductive layer or groove seat.
In general manner, light source protrudes at printed circuit board (PCB), arranges that to face optical receiving region printed circuit board (PCB) comprises the pin of protrusion near this receiving area, with the printed circuit board (PCB) that reclines when fastening.Also can protruding pin be set at photoconductive layer, be used for positioning according to the pairwise orthogonal direction, pairwise orthogonal direction correspondence is furnished with horizontal direction and the longitudinal direction of the motor vehicles of illumination or recoil simulator.
Optical receiving region can be formed by the truncated cone shape arched member, and the little bottom of arched member is away from printed circuit board (PCB).
At least one groove seat or protruding pin that positioning element at photoconductive layer and lower member place can be included at least one protruding pin of arranging under the lower surface of photoconductive layer or groove seat and arrange in lower member.
Positioning element also can comprise stop mechanism, and described stop mechanism protrudes in lower member, the posterior edges of the photoconductive layer that can recline.Preferably, recline in the recessed empty part of these stop mechanisms between the two parabola shaped lobe shape portions posterior edges of photoconductive layer.Stop mechanism can be formed by cylindrical contact.
Heat sink can be arranged between printed circuit board (PCB) and the upper board.
Another object of the present invention is to a kind of motor vehicles that comprise according to illumination of the present invention and/or recoil simulator.
Description of drawings
Except the layout of above showing, the present invention can comprise other layout of some, and these layouts will clearly be set forth with regard to the embodiment that reference will be made to the accompanying drawings hereinafter, but these accompanying drawings are not restrictive.In the accompanying drawing:
Fig. 1 is the illumination of first embodiment of the invention or the decomposition diagram of recoil simulator.
Fig. 2 is the perspective view of the device that assembles of Fig. 1.
Fig. 3 is the vertical cutaway view of magnification ratio along the line III-III of Fig. 2.
Fig. 4 is the vertical cutaway view similar to Fig. 3, illustrates one and implements modification.
Fig. 5 is the partial top view that is arranged in the photoconductive layer of the Fig. 1 on the lower member.
Fig. 6 is similar to Fig. 1, is the decomposition diagram of an enforcement modification.
Fig. 7 be the device that assembles along the magnification ratio cutaway view of the line VII-VII of Fig. 6 and
Fig. 8 is the front perspective view of the device of Fig. 6 of assembling.
The specific embodiment
All statements of types such as " preceding " that uses in specification and claim, " back " are used for understanding illumination or the recoil simulator that is fixed on the motor vehicles.
With reference to accompanying drawing, particularly Fig. 1 can see illumination or recoil simulator A for motor vehicles, described illumination or recoil simulator comprise photoconductive layer 1, this photoconductive layer is made with transparent material, has upper surface 1a and lower surface 1b, and upper surface generally is parallel with lower surface.The surperficial 1a of in example these, 1b are smooth, but can have the curved shape of showing as in patent documentation EP1881263.Photoconductive layer 1 comprises posterior edges 1c and at the output edge of front side 1d.
Device A can be positioned at the front portion of motor vehicles, exports edge 1d is positioned at posterior edges 1c according to motor vehicles moving direction forward front in this case.When device A was disposed in the rear portion of motor vehicles, output edge 1d was positioned at the back of edge 1c according to the normal moving direction of motor vehicles.
Posterior edges 1c comprises at least one lobe shape portion 2, in situation now, comprises a plurality of lobe shape portion 2,2.1,2.2,2.3,2.4 of protruding backward with parabolic outline.As visual on Fig. 3, the vertical section of edge 1c can have the shape of dihedral angle, and the top of dihedral angle is towards rear side.
Lighting device A comprises at least one light source 3, and this light source is schematically illustrated on Fig. 3, is the light source of electroluminescent diode type, is installed on the printed circuit board (PCB) B, and in example, printed circuit board arrangement is above photoconductive layer 1.Electroluminescent diode 3 protrudes under the lower surface of circuit board B and can be by the upper surface projecting beam of photoconductive layer 1, photoconductive layer is by refraction and/or reflection surperficial at it and on posterior edges, substantially parallel light beam is provided, and light beam exposes by output edge 1d.
According to the example of Fig. 1, printed circuit board (PCB) B carries four electroluminescent diodes, and described electroluminescent diode is arranged in this circuit board below and is used for, when assembled (see figure 3) when good of device A, perpendicular to knuckle 4, knuckle is the shape of truncated cone shape arched member, and its little bottom is towards the top.Arched member 4 is positioned on the upper surface of photoconductive layer 1, is used for light is projected this photoconductive layer.Arched member 4(Fig. 5) towards the posterior edges setting of lobe shape portion 2,2.1,2.2,2.3.Near arched member 4, pin 5a is arranged on the upper surface of photoconductive layer 1, to be used for supporting printing board B, shown on Fig. 3, keeps one to determine distance simultaneously between the upper surface of each electroluminescent diode 3 and arched member 4.Protruding pin 5x, 5y(Fig. 5) also be arranged on the photoconductive layer 1, be used for positioning according to pairwise orthogonal horizontal direction x, y.
Photoconductive layer is fixed on fixed part F among the support member D and transposition and the positioning element P of different assemblies of device A is configured to:
-follow the optical surface of photoconductive layer 1, parabolic and upper and lower smooth surface, back particularly,
-do not produce luminosity to disturb,
-and especially go out from photoconductive layer from uniformity aspect do not produce interference.
For this reason, according to the present invention, be arranged so that:
-do not pass the hole of the material thickness of photoconductive layer 1;
-not by adding material, at the rear side of photoconductive layer 1, particularly produce extention at posterior edges 1c and lobe shape portion place;
-the avris at photoconductive layer 1 does not increase the material extention, and this is because lack space and blocked up at photoconductive layer place material in the headlamp that is associated (projecteur optique).
The fixed part F of photoconductive layer 1 comprises that surperficial 1a, the 1b with photoconductive layer is fastened on the secure component S between upper element 6 and the lower member 7, the upper surface 1a of the photoconductive layer upper element that reclines, the lower surface 1b of the photoconductive layer lower member that reclines.In example, upper element 6 forms by printed circuit board (PCB) B.
Between lower member 7 and the photoconductive layer 1 and between the different assemblies of device positioning element P being set, in order to guarantee the suitable relative positioning between assembly in the device that assembles.
Comprising at least one protruding pin 8 under the lower surface that is arranged on photoconductive layer 1 between lower member 7 and the photoconductive layer 1 and forming at least one corresponding groove seat 9 on the lower member 7 of support member D according to the positioning element P of the embodiment of Fig. 1 to Fig. 3; The cooperation of protruding pin 8 and groove seat 9 guarantees to keep photoconductive layer 1 towards the front side, shown on Fig. 3 at least.
According to the isolated rib 10 of the embodiment tilted alignment of Fig. 1, be provided on the upper surface of lower member 7 and protrude, be used for supporting the lower surface of photoconductive layer 1, shown on Fig. 3.Rib 10 is beneficial to advantageously the demoulding of this member made from plastic material with respect to the inclination with the direction of the large scale quadrature of member 7.
Each raised zones that is formed by rib 10 than the support pin 5a of the upper surface of photoconductive layer more away from the posterior edges 1c of photoconductive layer.
Comprise two contacts 11 in this external example (see figure 5) of considering of positioning element P, two contacts protrude at the upper surface of lower member 7, be positioned at the rear portion of lower member, the posterior edges 1c of the photoconductive layer 1 that reclines in can the recessed empty part between two parabola shaped lobe shape portions 2,2.1,2.3,2.4.By being carried on the parabola, contact 11 applies the maintenance towards the rear portion of photoconductive layer 1.
Shown at Fig. 1 to Fig. 3, lighting device can comprise the radiator 12 that is the metallic plate form, the profile of applying printed circuit board (PCB) B.Non-limiting ground, device can comprise thermal screw 6a, 6b, thermal screw is tightened in radiator, by fastening radiator is remained on the circuit board B.These screws also can be used as the ground wire for electronic device part.
Be used for the positioning element P that circuit board B and radiator 12 are stacked on the photoconductive layer 1 is comprised two taper pins nails 13, two taper pin nails protrude at the upper surface of photoconductive layer 1, can be bonded in the strip gab 14,15, strip gab also tilts, and is arranged on circuit board B respectively and in radiator 12.
When photoconductive layer 1 was arranged end in place, the lower surface of circuit board was supported on the pin 5a at circuit board B, and pin is determined the position along vertical direction z at the height of photoconductive layer 1.
The protruding pin 5x that can have the shape of cross, protrude at the upper surface of photoconductive layer 1 is used for guaranteeing to be orthogonal to along the direction x(of circuit board B the direction of the fore-and-aft plane of the motor vehicles of being furnished with lighting device) the position, circuit board comprises conjugation pin 6x, described conjugation pin protrudes under the lower surface of circuit board, to cooperate with protruding pin 5x.Being arranged on pin 6y on the circuit board B and that protrude under this circuit board can cooperate with the protruding pin 5y that also is the cross shape, to guarantee to install along direction y(the longitudinal direction of the motor vehicles of lighting device thereon) interruption (arr ê t).
The upper element of device A is made up of upper component 16, and upper component is furnished with leading edge 17 or the flange under pointing to forward.Photoconductive layer 1 protrudes forward and exceeds upper component 16 and leading edge 17.
Embodiment according to Fig. 1 to Fig. 4, upper component 16 is independent of lower member 7, and the secure component S between two members comprises two trip bolts 18, and described screw can pass the limit portion of chamber 20 of the upper surface of the hole that is arranged in the member 16 19 and the member 16 that can recline.
As visual on Fig. 3, screw 18 passes the hole 21,22 that is separately positioned among radiator and the circuit board B, to tighten in the hole in being arranged on contact 11, preferably tightens by thread tapping.Screw 18 is positioned at the back of the posterior edges 1c of photoconductive layer, and the permission of tightening of these screws is held in the photoconductive layer pincers between lower member 7 and the upper component 16, exerts pressure by radiator 12 and circuit board B upper component.If needed, according to the hot specificity of printed circuit board (PCB) B, radiator 12 can omit.
Upper component 16 can comprise window shape spare 23 in its front side mid portion, window shape spare particularly allows air to flow, to dispel the heat.
Leading edge 17 is positioned near the upper surface of photoconductive layer 1 by its underpart, but does not apply fastening at this photoconductive layer.Enough reduced in the lower part of leading edge 17 and the gap between the photoconductive layer 1, about 0.2mm particularly is to see the inside of blocking the space that comprises circuit board B and diode 3 from the front side of photoconductive layer 1.
The secure component of being made up of screw 18 can substitute by the parts of equivalence, particularly the elasticity folder.
If needed, upper component 16 can be removed and screw 18 directly is supported on the radiator 12 or directly is being supported on the printed circuit board (PCB) B under the situation that does not have radiator.
According to the demoulding angle of photoconductive layer 1, the protruding pin 8 that is arranged under this photoconductive layer can be enough to be used in cooperating with groove seat 9, makes the maintenance of photoconductive layer 1 be guaranteed forward and backward, in this case, does not need to arrange the backstop of the contact 11 of posterior edges 1c.But, in the situation of the demoulding that contact-making surface is crossed, it is favourable using rear side contact 11.
Assembling at the assembly of the device A shown in Fig. 1 is derived from the elaboration that preamble carries out.
Cooperation by protruding pin 8 and groove seat 9 and the posterior edges by the photoconductive layer contact 11 wide conducting shells that recline are positioned, and photoconductive layer 1 is arranged in place in lower member 7, and lower member is as support member.
Be directed to by the taper pin nail 13 that engages in the strip gab 14,15 of circuit board and radiator, circuit board B and radiator 12 are installed on the photoconductive layer 1 then.The position of circuit board B is accurately guaranteed by the cooperation of the support on pin 5a and location protruding pin 5x, 5y and pin 6x, 6y.
In these conditions, electroluminescent diode 3 accurately is positioned at and makes light enter arched member 4 tops in the photoconductive layer.
Upper component 16 is arranged in place and fixing then by means of screw 18, screw allows to apply surface fastening of photoconductive layer 1, and does not produce stress at the optical surface of sensitivity.
With reference to Fig. 4, can see that one implements modification, the same or analogous element of element that has been described to Fig. 3 with Fig. 1 just of this enforcements modification no longer repeats described by identical figure notation sign.
Modification according to Fig. 4, lower member 7' comprises protruding pin 8', protruding pin surface is thereon gone up protrusion, and photoconductive layer 1' comprises groove seat 9' at its lower surface, the groove seat forms by the non-through hole hole, can admit protruding pin 8' with the gap that dwindles so that this protruding pin 8' and groove seat 9' cooperate assurance photoconductive layer 1' with respect to lower member 7' forward and maintenance backward.
Keep in touch part 11 and can the mode similar to the embodiment of Fig. 1 to Fig. 3 be arranged on the back of photoconductive layer 1', shown on Fig. 4.
Groove seat 9' according to Fig. 4 and lower member 7' from support member go out from pin 8' cooperate.But, can make as a plurality of photoconductive layers of photoconductive layer 1' stackedly, in this case, the groove seat of the hole 9' of corresponding top photoconductive layer can cooperate with the pin on the upper surface that is arranged on the bottom photoconductive layer.Thereby can be with stacked a plurality of photoconductive layer transpositions (indexer).
As shown in the example of Fig. 1 to Fig. 3, the photoconductive layer 1' of Fig. 4 clamps between the lower member 7' of support member and upper component 16 and holds, and is plugged with printed circuit board (PCB) B and radiator 12 if needed.
With reference to Fig. 6 to Fig. 8, can see an enforcement modification of lighting device, implement modification according to this, upper component 16'' and lower member 7'' are single piece and form combined member 24, determine sealing 25, photoconductive layer 1 can engage to take out sliding mode backward in the past install in this sealing.
The following portion of sealing 25 comprises that according to the example of Fig. 6 two horizontal spring sheets, 26, two horizontal spring sheets laterally separate, and protrudes backward.Each reed 26 comprises hitch, and hitch is made up of the hole 27 in the example of Fig. 7, can---namely be arranged on the pin 28 under the photoconductive layer 1---with complementary means and cooperate.Opposite layout is possible, and according to opposite layout, pin arranges on reed 26 projectedly and the groove seat is arranged in the photoconductive layer 1, shown on Fig. 4.
Spring leaf 26 also forms the retention mechanism with the top part 16'' of the photoconductive layer 1 fastening member 24 that reclines, and is plugged with printed circuit board (PCB) B and radiator 12 if needed.
According to Fig. 6 this modification to Fig. 8, no longer need to arrange the screw of tightening as the preamble accompanying drawing, fastening by spring leaf 26 assurances.Structure is simplified, because member 24 is concentrated into black box with lower member and upper component.
Regardless of the embodiment that adopts, allow transposition and the fixing optical component of being formed by photoconductive layer 1,1' according to lighting device of the present invention, keep simultaneously from optical component go out from uniformity of light and its optical property, and do not produce the hole that leads in the zone that is sensitive to component inside, and do not produce the extention that is fixed on the optical component.
The device that proposes allows:
-from the light output edge of optical component (photoconductive layer), eliminate " black hole " at light, " black hole " comes from screw and passes through in the material thickness of optical component;
-avoid be used to the extention that is fixed on the optical component rear side, if at parabolic rear side extention is set, extention will obviously reduce the optical property of member;
-avoid the extention for the end that is fixed on optical component---take up space at headlamp;
-very little along the gap around the week of optical component, particularly in the technical scheme of Fig. 1 to Fig. 4.

Claims (15)

1. illumination or recoil simulator that is used for motor vehicles, described illumination or recoil simulator comprise:
-photoconductive layer (1,1'), described photoconductive layer has upper surface (1a) and lower surface (1b), output edge (1d) and has the posterior edges (1c) of at least one lobe shape portion,
-at least one light source, described light source is the light source of electroluminescent diode (3) type, install at printed circuit board (PCB) (B), can be by the surperficial projecting beam of described photoconductive layer, described photoconductive layer passes through in surface and refraction and/or reflection on described posterior edges, substantially parallel light beam is provided, and described substantially parallel light beam exposes by described output edge (1d)
-with described photoconductive layer (1,1') be fixed on fixed part (F) in the support member (D),
It is characterized in that:
The fixed part of-described photoconductive layer (F) comprises the surface (1a with described photoconductive layer, 1b) be fastened on upper element (6, B) and the secure component (S) between the lower member (7), the upper surface of described photoconductive layer (1a) the described upper element that reclines, described lower surface (1b) the described lower member that reclines
-and, positioning element (P) be arranged on lower member (7,7', 7'') and described photoconductive layer (1,1') between.
2. illumination according to claim 1 or recoil simulator is characterized in that, (1, the described upper element (6) that 1') reclines is by (1,1') the described printed circuit board (PCB) (B) of top layout is formed at described photoconductive layer for described photoconductive layer.
3. illumination according to claim 1 and 2 or recoil simulator is characterized in that, described secure component (S) comprising: upper component (16,16''), upper component comprises leading edge, and (17,17''), leading edge is blocked described printed circuit board (PCB) (B) and is stopped near described photoconductive layer (1); And, upper component (16,16'') with lower member (7,7', secure component 7'') (S).
4. illumination according to claim 3 or recoil simulator is characterized in that, upper component (16) be independent of lower member (7,7'); Secure component (S) comprises at least one retention mechanism (18), and retention mechanism is arranged on described posterior edges (1c) back, so that described photoconductive layer (1) pincers are held in two member (7,7'; 16) between.
5. illumination according to claim 4 or recoil simulator is characterized in that, retention mechanism comprises at least one screw (18).
6. according to each described illumination or recoil simulator in the claim 1 to 3, it is characterized in that, upper component (17'') and lower member (7'') form an entire combination part (24), and definite sealing (25), and described photoconductive layer (1) is installed to take out sliding mode in described sealing.
7. illumination according to claim 6 or recoil simulator is characterized in that, the following portion of described sealing (25) comprises at least one spring leaf (26), and spring leaf is level particularly, protrude backward, form retention mechanism.
8. illumination according to claim 7 or recoil simulator is characterized in that, spring leaf (26) comprises groove seat (27) or pin, and described groove seat or pin can cooperate with the pin that arranges below described photoconductive layer (28) or groove seat.
9. according to each described illumination or recoil simulator in the aforementioned claim, it is characterized in that, described light source (3) protrudes at described printed circuit board (PCB) (B), arrange to face optical receiving region (4), described printed circuit board (PCB) comprises the pin (5a) of protrusion near described optical receiving region, with the described printed circuit board (PCB) (B) that reclines when fastening.
10. illumination according to claim 9 or recoil simulator, it is characterized in that, also at described photoconductive layer (1, protruding pin (5x is set 1'), 5y), for (x y) positions, and described pairwise orthogonal direction correspondence is furnished with horizontal direction and the longitudinal direction of the motor vehicles of described illumination or recoil simulator according to the pairwise orthogonal direction.
11. according to each described illumination or recoil simulator in the aforementioned claim, it is characterized in that, at described photoconductive layer (1,1') and lower member (7,7', the positioning element of 7'') locating (P) is included at least one protruding pin (8 that arranges under the lower surface of described photoconductive layer, 28) or groove seat (9'), with lower member (7,7') at least one groove seat (9,27) or the protruding pin (8') that go up to arrange.
12. according to each described illumination or recoil simulator in the aforementioned claim, it is characterized in that described positioning element (P) comprises stop mechanism (11), described stop mechanism is in lower member (7,7') go up protrusion, the posterior edges (1c) of the described photoconductive layer that can recline.
13. illumination according to claim 12 or recoil simulator is characterized in that, the posterior edges (1c) of the described photoconductive layer that reclines in the recessed empty part of described stop mechanism between two parabola shaped lobe shape portions.
14., it is characterized in that heat sink (12) is arranged between described printed circuit board (PCB) (B) and the upper board (16) according to each described illumination or recoil simulator in the aforementioned claim.
15. motor vehicles is characterized in that, described motor vehicles comprise according to each described illumination or recoil simulator in the aforementioned claim.
CN201180053114.7A 2010-11-05 2011-10-28 Lighting or signalling device for a motor vehicle comprising a light-guiding layer Active CN103201556B (en)

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FR1059126A FR2967235B1 (en) 2010-11-05 2010-11-05 LIGHTING OR SIGNALING DEVICE FOR A MOTOR VEHICLE HAVING A LIGHT GUIDE RAIL.
FR1059126 2010-11-05
PCT/IB2011/054801 WO2012059852A1 (en) 2010-11-05 2011-10-28 Lighting or signalling device for a motor vehicle, comprising a light guide layer

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WO2012059852A1 (en) 2012-05-10
EP2635842A1 (en) 2013-09-11

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