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CN109519858A - The photochromic Multifunctional signal lamp combined type optical system of car light three - Google Patents

The photochromic Multifunctional signal lamp combined type optical system of car light three Download PDF

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Publication number
CN109519858A
CN109519858A CN201910014186.9A CN201910014186A CN109519858A CN 109519858 A CN109519858 A CN 109519858A CN 201910014186 A CN201910014186 A CN 201910014186A CN 109519858 A CN109519858 A CN 109519858A
Authority
CN
China
Prior art keywords
light
light guide
photochromic
incidence
reflecting surface
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.)
Pending
Application number
CN201910014186.9A
Other languages
Chinese (zh)
Inventor
黄春燕
徐魏
严辉
丁骏骅
王慧康
瞿亚浩
高磊
孔建
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.)
HASCO Vision Technology Co Ltd
Original Assignee
HASCO Vision Technology Co Ltd
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
Application filed by HASCO Vision Technology Co Ltd filed Critical HASCO Vision Technology Co Ltd
Priority to CN201910014186.9A priority Critical patent/CN109519858A/en
Publication of CN109519858A publication Critical patent/CN109519858A/en
Pending legal-status Critical Current

Links

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
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31—Optical layout thereof
    • F21S43/315—Optical layout thereof using total internal reflection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • F21S10/023—Lighting devices or systems producing a varying lighting effect changing colors by selectively switching fixed 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
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2607—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic comprising at least two indicating lamps
    • 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
    • F21S43/243—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
    • 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
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • 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
    • F21V7/00—Reflectors for 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
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/20—Multi-color single source or LED matrix, e.g. yellow blinker and red brake lamp generated by single lamp
    • 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
    • F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/10—Position lights
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/20—Direction indicator lights
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/35—Brake lights
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/45—Reversing lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The present invention relates to a kind of photochromic Multifunctional signal lamp combined type optical systems of car light three, first light guide is reflective light guide, with a pair along X to parallel upper side wall reflecting surface and lower wall reflecting surface, first light guide one end is curved end, curved end outside to inside when be the light refraction plane of incidence, it is fully reflecting surface when from inside to outside, the first light guide other end is light-emitting surface I；Double photochromic chip LEDs are set to by upper side wall reflection surface side, and are directed at fully reflecting surface along Y-direction, and light is collimated and is projected；Second light guide, set on the rear end of the light refraction plane of incidence of the first light guide, light-emitting surface II is directed at the light refraction plane of incidence；Monochromatic light color LED matches with the second light guide.The present invention can realize the three photochromic multi-signal lamp functions of uniformly lighting effect by one in front and one in back two light guide combinations on the same light-emitting surface of car light, keep the compact dynamic, level of whole car light internal structure more succinct and rich in dense technology sense.

Description

The photochromic Multifunctional signal lamp combined type optical system of car light three
Technical field
The present invention relates to a kind of car light optical systems, are a kind of photochromic Multifunctional signal lamps of automobile lamp three specifically Combined type optical system.
Background technique
Two photochromic Multifunctional signal lamps are realized in car light field on same light-emitting surface at present, generally all pass through double light LED (such as Shown in Fig. 1, wherein A is double light LED) or the two kinds of photochromic LED that are intervally arranged (as shown in Fig. 2, wherein B is yellow light LED, C is White light LEDs) it realizes on the independent light guide body.
How to be realized on same light-emitting surface and uniformly light three photochromic multiple functions signal lamps of effect, be this field urgently The technical problem of solution.
Summary of the invention
It is an object of the present invention to provide a kind of photochromic Multifunctional signal lamp combined type optical systems of car light three, in same light-emitting surface The optical system for the three photochromic multi-signal lamp functions that upper realization uniformly lights effect make whole car light internal structure it is compact it is dynamic, Level is more succinct and rich in dense technology sense.
The present invention takes following technical scheme:
A kind of photochromic Multifunctional signal lamp combined type optical system of car light three, including double photochromic chip LEDs 1, monochromatic light color LED2, the first light guide 3, the second light guide；First light guide 3 is reflective light guide, have it is a pair of along X to parallel Upper side wall reflecting surface g and lower wall reflecting surface f, 3 one end of the first light guide be curved end, the curved end outside to inside when be Light refraction plane of incidence e, from inside to outside when be fully reflecting surface e ', 3 other end of the first light guide is I h of light-emitting surface；Double photochromic cores Piece LED1 is set to by the side upper side wall reflecting surface g, and is directed at the fully reflecting surface e ' along Y-direction, and light is collimated and is projected；Described second Light guide, set on the rear end of the light refraction plane of incidence e of the first light guide 3, II c of light-emitting surface is directed at light refraction plane of incidence e； The monochromatic light color LED2 matches with the second light guide.
Further, second light guide is reflective light guide, and shape design is identical as the first light guide, monochromatic light color LED2 and double photochromic chip LEDs 1 are fixed on same wiring board 5.
Further, the light refraction plane of incidence e face of II c of light-emitting surface of second light guide and the first light guide 3 Cooperate and there is certain interval i；Upper and lower side wall reflecting surface g, f of first light guide 3 can add dermatoglyph.
Further, double photochromic chip LEDs 1 are yellow, white dual chip LED, as rear directional, reversing after lighting Lamp function；The monochromatic light color LED2 is red light chips LED, is Rear Position Lamp function as Brake lamp or concurrent multiplexing.
Further, the fully reflecting surface e ' of first light guide 3 has particular focal length point, which is located at double Any position on 1 liang of optic center point connecting line segment of photochromic chip LED makes the equal defocus of two optic center points or wherein one A photochromic optical centre defocus and another photochromic optical centre not defocus.
Further, the first light guide 3X is 30-50mm to depth, and Y-direction opening is 5-12mm；Described second is guide-lighting Body is reflective light guide, X to depth be 15-30mm.
Further, the fully reflecting surface b of the second light guide, the first light guide 3 fully reflecting surface e ' be 1mm*1mm grid The small cambered surface of array；II c of light-emitting surface is the small cambered surface of 1mm width column；I h of light-emitting surface is the grid array cambered surface of 1.5mm*1.5mm； Double photochromic chip LEDs 1 and 3 gap plane of light incidence d of the first light guide are 0.5mm, monochromatic light color LED2 and the second light guide light The plane of incidence (a) gap is 0.5mm；First light guide 3 and the second light guide are transparent PC material.
Further, second light guide is reflective light guide, and shape design is identical as the first light guide, and first leads Body of light 3 and the second light guide respective LED pendulum are mounted on wiring board independent not ipsilateral.
Further, the second light guide is direct-injection type light guide 6.
Further, the second light guide is cylindrical light guide 7, from end head incidence, is reflected through rear portion flank of tooth j Light, the flank of tooth and 3 light refraction plane of incidence e of the first light guide cooperate, and eventually pass through I h of light-emitting surface of grid array cambered surface；Or Person, the second light guide are face type light guide 8, from end head incidence, reflect light through rear portion flank of tooth k, flank of tooth k and first is guide-lighting 3 light refraction plane of incidence e of body cooperates, and I h of light-emitting surface for eventually passing through grid array cambered surface carries out homogenization to light and matches Light, 8 light guide thickness of face type light guide are 3.5-5mm.
The beneficial effects of the present invention are:
1) three kinds of double photochromic chip LEDs (yellow, white dual chip LED), red-light LED photochromic LED will be packaged with as primary light Source can realize that uniformly light effect three is photochromic by one in front and one in back two light guide combinations on the same light-emitting surface of car light Multi-signal lamp function (rear directional, back-up lamp, Brake lamp, Rear Position Lamp) makes the compact dynamic, layer of whole car light internal structure It is secondary more succinct and rich in dense technology sense；
2) simple in sturcture, ingenious in design, the structure type of the second light guide can carry out a variety of transformation according to actual needs, Plasticity is strong；
3) with the prospect of wide popularization and application.
Detailed description of the invention
Fig. 1 is the schematic diagram of optical system for realizing two photochromic Multifunctional signal lamps by double light LED in the prior art.
Fig. 2 be realized in the prior art by being intervally arranged two kinds of photochromic LED on independent light guide body two kinds it is photochromic Signal lamp schematic diagram of optical system.
Fig. 3 is the perspective view that the photochromic Multifunctional signal lamp combined type optical system of car light three of the present invention implements one.
Fig. 4 is to implement left view corresponding with Fig. 1 in one, and figure acceptance of the bid shows light beam and moves towards signal.
Fig. 5 is the left view of embodiment two, is a kind of deformation of embodiment one.
Fig. 6 is the left view of embodiment three.
Fig. 7 is the schematic diagram of example IV.
Fig. 8 is the left intention of example IV.
Fig. 9 is the schematic diagram of embodiment five.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific examples:
Embodiment one:
Referring to Fig. 3-Fig. 4, a kind of photochromic Multifunctional signal lamp combined type optical system of car light three, including double photochromic chips LED1, monochromatic light color LED2, the first light guide 3, the second light guide 4；First light guide 3 is reflective light guide, has one To along X, to parallel upper side wall reflecting surface g and lower wall reflecting surface f, 3 one end of the first light guide is curved end, the arc End face outside to inside when be light refraction plane of incidence e, from inside to outside when be fully reflecting surface e ', 3 other end of the first light guide is light-emitting surface I h；Double photochromic chip LEDs 1 are set to by the side upper side wall reflecting surface g, and are directed at the fully reflecting surface e ' along Y-direction, by light standard Direct projection goes out；Second light guide 4, set on the rear end of the light refraction plane of incidence e of the first light guide 3, II c of light-emitting surface alignment Light refraction plane of incidence e, the other end are fully reflecting surface b；The monochromatic light color LED2 matches with the second light guide, and along Y-direction pair The quasi- fully reflecting surface b, light is collimated and is projected.
In this embodiment, referring to Fig. 3-Fig. 4, second light guide is reflective light guide, shape design and first Light guide is identical, and monochromatic light color LED2 and double photochromic chip LEDs 1 are fixed on same wiring board 5, save wiring board at This.
In this embodiment, referring to fig. 4, the light refraction of II c of light-emitting surface of second light guide and the first light guide 3 Plane of incidence e face cooperates and has certain interval i；Upper and lower side wall reflecting surface g, f of first light guide 3 can add dermatoglyph.
In this embodiment, double photochromic chip LEDs 1 are yellow, white dual chip LED, and rear directional is used as after lighting, is fallen Car light function；The monochromatic light color LED2 is red light chips LED, is Rear Position Lamp function as Brake lamp or concurrent multiplexing.
In this embodiment, the fully reflecting surface e ' of first light guide 3 has particular focal length point, the particular focal length point Any position on double 1 liang of optic center point connecting line segment of photochromic chip LED, make the equal defocus of two optic center points or its In a photochromic optical centre defocus and another photochromic optical centre not defocus.It is not indicated in attached drawing.
In this embodiment, referring to fig. 4, the first light guide 3X is 30-50mm to depth, and Y-direction opening is 5-12mm； Second light guide is reflective light guide, X to depth be 15-30mm.
In this embodiment, the fully reflecting surface b of the second light guide, the first light guide 3 fully reflecting surface e ' be the side 1mm*1mm The small cambered surface of lattice array lights uniformity for diffusing light improvement；
II c of light-emitting surface is the small cambered surface of 1mm width column, lights uniformity for diffusing light improvement；
I h of light-emitting surface is the grid array cambered surface of 1.5mm*1.5mm；Double photochromic chip LEDs 1 enter with 3 light of the first light guide Penetrating the face gap d is 0.5mm, and monochromatic light color LED2 and the second light guide gap plane of light incidence a are 0.5mm；First light guide 3 and Two light guides are transparent PC material.It is not indicated in attached drawing.
It is described below in detail as follows: referring specifically to Fig. 2.
1) when only red-light LED is lighted the used time, reflective light guide 4 has plane of light incidence a, fully reflecting surface b, exit facet c； Corresponding reflective light guide 3 have light refraction plane of incidence e, reflecting surface f, g, light-emitting surface h, as shown in Figure 4.
Reflective 4 exit facet c of light guide and reflective 3 light refraction plane of incidence e face of light guide cooperate and have certain Gap i；Top and the bottom reflecting surface f, g of reflective light guide 3, which can add dermatoglyph, which allows a small amount of light refraction to go out light, becomes more uniform Light-emitting surface.
Light is issued from 2 light source of monochromatic light color red-light LED into after plane of incidence a, is collimated through fully reflecting surface b, Zhi Houtong Top and bottom sidewall reflecting surface f, the g for crossing exit facet c, light refraction plane of incidence e into reflective light guide 3 are totally reflected (addition When dermatoglyph, a small amount of light will reflect light as more uniform light-emitting surface), exit facet c and light refraction plane of incidence e phase interworking It closes, the light-emitting surface h for eventually passing through grid array cambered surface carries out homogenization to light and realizes light distribution requirements.
2) described reflective when only double light LED (yellow, white dual chip LED) are lighted and are used as rear directional, back-up lamp function Light guide 3 has plane of light incidence d, fully reflecting surface e ', light-emitting surface h.
The fully reflecting surface e ' of reflective light guide 3 has particular focal length point, which is located at two optical centre of LED Any position of point connecting line segment, can making the equal defocus of two optic center points, (i.e. the particular focal length point is located in two optics of LED Between heart point connecting line segment, not on endpoint) or one of them photochromic optical centre defocus and another photochromic optical centre are not Defocus (i.e. the particular focal length point is located in two optic center point of LED).
Light is issued from double photochromic LED light sources into after plane of incidence d, is collimated through fully reflecting surface e ', finally by side The light-emitting surface h of lattice array cambered surface carries out homogenization to light and realizes light distribution requirements.
Embodiment two:
Referring to Fig. 5, the present embodiment is the deformation of embodiment one, and the second light guide is reflective light guide, shape design with First light guide is identical, and the respective LED pendulum of the first light guide 3 and the second light guide is mounted on line independent not ipsilateral On the plate of road.Remaining structure, function are together with embodiment.When wiring board heat-resistant quality deficiency, this scheme can be used.
Embodiment three:
Referring to Fig. 6, the present embodiment is the deformation of embodiment one, and the second light guide is direct-injection type light guide 6.Remaining structure, Function is together with embodiment.
Example IV:
Referring to Fig. 7-8, the present embodiment is the deformation of embodiment one, and the second light guide is cylindrical light guide 7, in combination with Fig. 4 reflects light, the flank of tooth and 3 light refraction plane of incidence e phase interworking of the first light guide through rear portion flank of tooth j from end head incidence It closes, eventually passes through I h of light-emitting surface of grid array cambered surface.
Embodiment five:
Referring to Fig. 9, the present embodiment is the deformation of embodiment one, and the second light guide is face type light guide 8, is entered from an end head It penetrates, reflects light through rear portion flank of tooth k, flank of tooth k and 3 light refraction plane of incidence e of the first light guide cooperate, and eventually pass through grid I h of light-emitting surface of array cambered surface carries out homogenization light distribution to light, and type light guide 8 light guide thickness in face is 3.5-5mm.
Combined type optical system of the present invention will be packaged with double photochromic chip LEDs (yellow, white dual chip LED), three kinds of red-light LED Photochromic LED is realized on the same light-emitting surface of car light by one in front and one in back two light guide combinations and is uniformly lighted as original light source The photochromic multi-signal lamp function of the three of effect keeps the compact dynamic, level of whole car light internal structure more succinct and rich in dense Technology sense.
Above five embodiments are alternative embodiments of the invention, and those of ordinary skill in the art can also be basic herein Upper to carry out various transformation or improvement, under the premise of not departing from the present invention total design, these transformation or improve all be should belong to Within the scope of protection of present invention.

Claims (10)

1. a kind of photochromic Multifunctional signal lamp combined type optical system of car light three, it is characterised in that:
Including double photochromic chip LEDs (1), monochromatic light color LED (2), the first light guide (3), the second light guide；
First light guide (3) is reflective light guide, have it is a pair of along X to parallel upper side wall reflecting surface (g) and downside Wall reflecting surface (f), the first light guide (3) one end be curved end, the curved end outside to inside when be the light refraction plane of incidence It (e), is fully reflecting surface (e ') when from inside to outside, the first light guide (3) other end is light-emitting surface I (h)；Double photochromic chip LEDs (1) it is set to by upper side wall reflecting surface (g) side, and is directed at the fully reflecting surface (e ') along Y-direction, light is collimated and is projected；
Second light guide, is set to the rear end of the light refraction plane of incidence (e) of the first light guide (3), and light-emitting surface II (c) is right Quasi-optics reflects the plane of incidence (e)；The monochromatic light color LED (2) matches with the second light guide.
2. the photochromic Multifunctional signal lamp combined type optical system of car light three as described in claim 1, it is characterised in that: described Two light guides are reflective light guides, and shape design is identical as the first light guide, monochromatic light color LED (2) and double photochromic chip LEDs (1) it is fixed on same wiring board (5).
3. the photochromic Multifunctional signal lamp combined type optical system of car light three as described in claim 1, it is characterised in that: described The light refraction plane of incidence (e) face of the light-emitting surface II (c) of two light guides and the first light guide (3) cooperates and has certain interval (i)；The upper and lower side wall reflecting surface (g, f) of first light guide (3) adds dermatoglyph.
4. the photochromic Multifunctional signal lamp combined type optical system of car light three as claimed in claim 1 or 2, it is characterised in that: institute Double photochromic chip LEDs (1) are stated as yellow, white dual chip LED, rear directional, back-up lamp function are used as after lighting；The monochromatic light color LED (2) is red light chips LED, is Rear Position Lamp function as Brake lamp or concurrent multiplexing.
5. the photochromic Multifunctional signal lamp combined type optical system of car light three as described in claim 1, it is characterised in that: described The fully reflecting surface (e ') of one light guide (3) has particular focal length point, which is located at double photochromic (1) two light of chip LED Learn central point connecting line segment on any position, make the equal defocus of two optic center points or one of them photochromic optical centre from Burnt and another photochromic optical centre not defocus.
6. the photochromic Multifunctional signal lamp combined type optical system of car light three as described in claim 1, it is characterised in that: described One light guide (3) X is 30-50mm to depth, and Y-direction opening is 5-12mm；Second light guide is reflective light guide, X to Depth is 15-30mm.
7. the photochromic Multifunctional signal lamp combined type optical system of car light three as claimed in claim 2, it is characterised in that: second leads The fully reflecting surface (b) of body of light, the first light guide (3) fully reflecting surface (e ') be the small cambered surface of 1mm*1mm grid array；Light-emitting surface II It (c) is the small cambered surface of 1mm width column；Light-emitting surface I (h) is the grid array cambered surface of 1.5mm*1.5mm；Double photochromic chip LEDs (1) It is 0.5mm, monochromatic light color LED (2) and the second light guide plane of light incidence (a) with the first light guide (3) plane of light incidence (d) gap Gap is 0.5mm；First light guide (3) and the second light guide are transparent PC material.
8. the photochromic Multifunctional signal lamp combined type optical system of car light three as described in claim 1, it is characterised in that: described Two light guides are reflective light guides, and shape design is identical as the first light guide, the first light guide (3) with the second light guide respectively LED pendulum not ipsilateral, be mounted on wiring board independent.
9. the photochromic Multifunctional signal lamp combined type optical system of car light three as claimed in claim 1 or 3, it is characterised in that: the Two light guides are direct-injection type light guide (6).
10. the photochromic Multifunctional signal lamp combined type optical system of car light three as described in claim 1, it is characterised in that: second Light guide is cylindrical light guide (7), from end head incidence, reflects light, the flank of tooth and the first light guide through rear portion flank of tooth j (3) the light refraction plane of incidence (e) cooperates, and eventually passes through the light-emitting surface I (h) of grid array cambered surface；Alternatively, the second light guide Light, the flank of tooth (k) and the first light guide (3) light are reflected through the rear portion flank of tooth (k) from end head incidence for face type light guide (8) The refraction plane of incidence (e) to be learned to cooperate, the light-emitting surface I (h) for eventually passing through grid array cambered surface carries out homogenization light distribution to light, Face type light guide (8) light guide thickness is 3.5-5mm.
CN201910014186.9A 2019-01-08 2019-01-08 The photochromic Multifunctional signal lamp combined type optical system of car light three Pending CN109519858A (en)

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Application publication date: 20190326