CN108916811A - Optical module and car light - Google Patents
Optical module and car light Download PDFInfo
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- CN108916811A CN108916811A CN201710266922.0A CN201710266922A CN108916811A CN 108916811 A CN108916811 A CN 108916811A CN 201710266922 A CN201710266922 A CN 201710266922A CN 108916811 A CN108916811 A CN 108916811A
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Abstract
The embodiment provides a kind of optical module for car light and the car lights comprising the optical module.The optical module includes：Light source, the light source, which has, to shine axis and is arranged to sending light beam, and the light beam has central part and outer peripheral portion；And translucent cover, the translucent cover has positive transmissive wall and side transmissive wall, the positive transmissive wall intersects with the luminous axis and is used to transmit the central part of the light beam, the side transmissive wall is located at the radial outside of the positive transmissive wall and the outer peripheral portion for transmiting the light beam, the side transmissive wall is vertical with the positive transmissive wall or tilts relative to the positive transmissive wall, wherein, the side transmissive wall is provided with light uniformization structure.
Description
Technical field
It the present invention relates to optical illumination and signal designation field more particularly to a kind of optical module and include the optical module
Car light.
Background technique
With the development of technology and social progress, requirement of the people for illumination optical or signal designation equipment is no longer only
It is only limitted to provide the function of illumination or signal lamp.Then, for illumination optical or signal designation equipment (such as motor-driven
The car light of vehicle) personalized demand it is more and more, it may be necessary to more abundant beam pattern is provided and lights effect.Than
Such as, it may be desirable to illuminate or signal designation light includes certain information or pattern to meet the requirement of personalized customization.The prior art
It has been provided and generates the device of pattern in illumination optical or signal indicating device.But in existing illumination optical or signal designation
In device, especially in the car light of motor vehicles, also lacking can make illumination or signal designation light realize stereo display effect
The device of (especially in multi-angle).
Summary of the invention
The object of the present invention is to provide a kind of optical modules, can make illumination or signal designation light that stereoscopic display effect be presented
Fruit.
The object of the invention is also to provide a kind of car lights including the optical module.
The embodiment provides a kind of optical modules for car light, including：Light source, the light source, which has, to shine
Axis simultaneously is arranged to issue light beam, and the light beam has central part and outer peripheral portion；And translucent cover, the translucent cover have just
Transmissive wall and side transmissive wall, the positive transmissive wall intersect with the luminous axis and are used to transmit the central part of the light beam,
The side transmissive wall is located at the radial outside of the positive transmissive wall and the outer peripheral portion for transmiting the light beam, the side light transmission
Wall is vertical with the positive transmissive wall or tilts relative to the positive transmissive wall, wherein the side transmissive wall is provided with light uniformization
Structure.
In one embodiment, the optical module further includes beam steering devices, and the beam steering devices are arranged to
The light beam issued from light source is adjusted the light beam before reaching the positive transmissive wall and side transmissive wall.
In one embodiment, the beam steering devices have the first light incident surface and the second light incident surface, described first
Light incident surface is located at the middle section of the side towards light source of the beam steering devices, and second light incident surface is located at institute
The radial outside of the first light incident surface is stated, the beam steering devices also have positive light-emitting face, the forward direction light-emitting face
It is arranged to a part of light from the light of the first light incident surface incidence and from the second light incident surface incidence described in
Positive light transmission wall guided.
In one embodiment, the first light incident surface is optical alignment surface.
In one embodiment, the positive light-emitting face is to expand surface.
In one embodiment, the entire inner surface of the positive transmissive wall is covered from the light that the positive light-emitting face is emitted.
In one embodiment, the beam steering devices further include total reflection surface, and the total reflection surface is arranged to use
In will be totally reflected from a part of light of the second light incident surface incidence towards the positive light-emitting face.
In one embodiment, the beam steering devices further include lateral light-emitting face, the lateral light-emitting face arrangement
At will be from another part light of the second light incident surface incidence towards the side light transmission wall guided.
In one embodiment, the entire inner surface of the side transmissive wall is covered from the light of the lateral light exit face.
In one embodiment, the beam steering devices include light guide, and the light guide has light incident side, light
Exit end and the side surface extended between the light incident side and light exit side, the light incident side are arranged to receive from light
The light beam in source, the light exit side arrange towards the positive transmissive wall, from the light beam of light incident side incidence largely from
Positive transmissive wall described in the light exit side directive is disposed with multiple scatterings protrusions on the side surface, enters for making from the light
Another part of the incident light beam in end is penetrated through side transmissive wall described in the side surface directive.
In one embodiment, the scattering protrusion is randomly disposed on the side surface of the light guide.
In one embodiment, the positive transmissive wall is equipped with collimator apparatus.
In one embodiment, the collimator apparatus is Fresnel lens.
In one embodiment, the positive transmissive wall is equipped with collimator apparatus, and the light source is located at the focus of the collimator apparatus
Between the positive transmissive wall.
In one embodiment, the inner surface of the side transmissive wall is equipped with multiple light distribution structures, for saturating by the side
The light distribution of the light of light wall is adjusted.
In one embodiment, the outer surface of the positive transmissive wall is provided with multiple light distribution protrusions, the light distribution protrusion arrangement
At the light distribution for the light that adjustment is emitted from the positive transmissive wall.
The embodiments of the present invention also provide a kind of car lights, including the optical module according to any of the above-described embodiment.
Such as at least one above-mentioned optical module as described in the examples of the invention, there is positive transmissive wall and side by setting
The translucent cover of transmissive wall can be improved the illumination of car light and/or the display effect of signal designation light.
Detailed description of the invention
Fig. 1 shows the schematic diagram of the optical module of an embodiment according to the present invention；
Fig. 2 shows the schematic diagrames of the optical module of an embodiment according to the present invention, are provided with beam steering devices；
Fig. 3 shows the schematic diagram of the optical module of an embodiment according to the present invention, is provided with light guide；
Fig. 4 shows the schematic diagram of the optical module of an embodiment according to the present invention；
Fig. 5 schematically shows the light distribution on the positive transmissive wall outer surface of the optical module of an embodiment according to the present invention
Protrusion；And
Fig. 6 schematically shows the light distribution on the positive transmissive wall outer surface of the optical module of an embodiment according to the present invention
Effect of the protrusion to light.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment of the present invention
Illustrate to be intended to explain present general inventive concept of the invention, and is not construed as to a kind of limitation of the invention.
General plotting according to the present invention provides a kind of optical module for car light, including：Light source, the light source tool
There is luminous axis and be arranged to issue light beam, the light beam has central part and outer peripheral portion；And translucent cover, the translucent cover
With positive transmissive wall and side transmissive wall, the positive transmissive wall intersects with the luminous axis and is used to transmit the center of the light beam
Part, the side transmissive wall is located at the radial outside of the positive transmissive wall and the outer peripheral portion for transmiting the light beam, described
Side transmissive wall is vertical with the positive transmissive wall or tilts relative to the positive transmissive wall, wherein the side transmissive wall is provided with light
Homogenize structure.
In addition, in the following detailed description, to elaborate many concrete details to provide to present disclosure convenient for explaining
The comprehensive understanding of embodiment.It should be apparent, however, that one or more embodiments without these specific details may be used
To be carried out.
Fig. 1 schematically shows the optical module 100 of an embodiment according to the present invention.The optical module 100 includes：
Light source 10, the light source 10, which has, to shine axis x and is arranged to sending light beam 20, and the light beam 20 has central part and periphery
Part；With translucent cover 30.The translucent cover 30 has positive transmissive wall 31 and side transmissive wall 32, and the positive transmissive wall 31 shines with this
Axis x intersects and is used to transmit the central part of the light beam 20, and the side transmissive wall 32 is located at the radial direction of the positive transmissive wall 31
Outside and for transmiting the outer peripheral portion of the light beam 20, the side transmissive wall 32 it is vertical with the positive transmissive wall 31 or relative to
The positive transmissive wall 31 tilts.The side transmissive wall 32 is provided with light uniformization structure 33.Light uniformization structure 33 can be for
Light by side transmissive wall 32 is scattered so that being capable of relatively uniform ground directive all directions from the light that side transmissive wall 32 projects.
As an example, light uniformization structure 33 may include the protrusion being arranged on the outer surface of the side transmissive wall 32 or texture, it is somebody's turn to do
Protrusion or texture for example can have the height or depth of 0.01mm to 0.05mm, can have Arbitrary Shape Cross Section.Show another
In example, light uniformization structure 33 be can be set in side transmissive wall 32, such as with the formal distribution of scattering particles in side transmissive wall
In 32 material.These scattering particles can be mixed into the material of production side transmissive wall 32 in the preparation process of side transmissive wall 32
In material.As an example, light uniformization structure 33 can also be convex on the outer surface of the side transmissive wall 32 including being arranged in simultaneously
It rises or texture and the scattering particles being distributed in the material of side transmissive wall 32.
Light beam 20 can be used to implement illumination and/or signal designation function from the part that positive transmissive wall 31 projects, and light beam
20 can be used for presenting three-dimensional visual effect from the part that side transmissive wall 32 projects.Due to positive transmissive wall 31 and side transmissive wall 32
There is light emission to go out, so observer can see the stereopsis of cubic light pillar when observer is in 30 external observation of translucent cover
Feel effect.And in the case where being not provided with translucent cover 30, observer will can only see the luminous point of light source.Obviously, according to this hair
What bright optical module 100 can significantly promote lamps and lanterns lights effect.
In one example, as shown in Fig. 2, optical module 100 ' further includes beam steering devices 40, the light beam adjustment dress
Setting 40 can be arranged to before the light beam 20 issued from light source 10 reaches the positive transmissive wall 31 and side transmissive wall 32 to described
Light beam 20 is adjusted.Beam steering devices 40 can the light intensity spatial distribution to light beam 20 be adjusted so that light beam 20
The area of irradiating angle and positive transmissive wall 31 and side transmissive wall 32 after beam steering devices 40 matches, to improve
Optical efficiency.
In one example, as shown in Fig. 2, the beam steering devices 40 have the first light incident surface 41 and the second light incident
Face 42, first light incident surface 41 are located at the middle section of the side towards light source 10 of the beam steering devices 40, institute
State the radial outside that the second light incident surface 42 is located at first light incident surface 41.The beam steering devices 40 also have forward direction
Light-emitting face 43, the forward direction light-emitting face 43 is arranged to will be from the incident light of first light incident surface 41 and from described second
The incident a part of light of light incident surface 42 is guided towards the positive transmissive wall 31.As an example, 41 He of the first light incident surface
Second light incident surface 42 has refraction action for incident light, and refraction action can make incident from first light incident surface 41
Light and deflected from the incident a part of light of second light incident surface 42 towards positive light-emitting face 43.This helps to make light beam
20 most of energy concentrates on positive light-emitting face 43 with the positive transmissive wall 31 of directive.The beam section projected from positive transmissive wall 31
It is mainly used for realizing illumination and/or signal designation function, the luminous energy needed is more, therefore, collects luminous energy to positive transmissive wall 31
In be conducive to improve optical efficiency.As an example, the first light incident surface 41 can be optical alignment surface.This is point in light source 10
It is particularly useful when form of light source.Optical alignment surface can make the divergent beams issued from the point light source for being located at its focal position quasi-
Directly at collimated light beam, so that luminous energy is concentrated on the direction towards positive transmissive wall 31.
In one example, in order to make the beam section being emitted from positive light-emitting face 43 that there is bigger irradiated area, just
It can be to expand surface to light-emitting face 43, for example, with the surface of concave lens shape.As an example, going out from the positive light
The light for penetrating the outgoing of face 43 can cover the entire inner surface of the positive transmissive wall 31.For example, in the illustrated example shown in fig. 2, from just
The light being emitted to 43 edge of light-emitting face can reach the edge of positive 31 inner surface of transmissive wall, or even up to side transmissive wall 32 with
The positive neighbouring part of transmissive wall 31.The light being emitted from the positive light-emitting face 43 covers the entire interior table of the positive transmissive wall 31
Face, it is ensured that the light projected from positive transmissive wall 31 has enough irradiated areas.
In one example, the beam steering devices 40 can also include total reflection surface 44, the total reflection surface 44
It is arranged for be totally reflected from the incident a part of light of second light incident surface 42 towards the positive light-emitting face 43.Benefit
With total reflection surface 44, more light can be made to be focused into positive transmissive wall 31.
As an example, beam steering devices 40 can also include lateral light-emitting face 45, lateral 45 cloth of light-emitting face
Being set to will guide from the incident another part light of second light incident surface 42 towards the side transmissive wall 32.It is emitted from lateral light
The light that face 45 is emitted can be directed to side transmissive wall 32 to be used to form three-dimensional visual effect.Lateral light-emitting face 45 is set
It sets, such as tilt angle, length, curvature etc., can be used for controlling the light being emitted from side to light-emitting face 45 in side transmissive wall
Distribution on 32.The light being emitted from the side to light-emitting face 45 is set to cover institute for example, lateral light-emitting face 45 can be set into
State the entire inner surface of side transmissive wall 32.This can enable the output intensities of side transmissive wall 32 to more uniformly spread.It is shown in Fig. 2
Example in, for example, the irradiating angle for the light being emitted from side to light-emitting face 45 may range from β.
In another example of the invention, as shown in figure 3, the beam steering devices 40 in optical module 100 " may include
Light guide 50, the light guide 50 have light incident side 51, light exit side 52 and are emitted in the light incident side 51 and light
The side surface 53 extended between end 52.The light incident side 51 is arranged to receive the light beam 20 from light source 10, the light outgoing
End 52 is arranged towards the positive transmissive wall 31, from the most of from the light exit side 52 of the incident light beam of the light incident side 51
Positive transmissive wall 31 described in directive.Multiple scattering protrusions 54 are disposed on the side surface 53, for making from the light incident side 51
Another part of incident light beam is through side transmissive wall 32 described in 53 directive of side surface.
So-called light guide refers to the guiding device for mainly transmitting light inside it with total reflection mode.It can
(can be described as with various shape, such as cylinder (can be described as lamp guide), strip (can be described as light-strip, lamp bar), plate shape
Light guide plate), annular (can be described as light guide ring) etc..Due to mainly total reflection mode being used to be transmitted, the optics of light guide
High-efficient, light loss is small.Since light guide 50 will be injected in the way of total reflection from the light incident side 51 of light guide 50
Light to light exit side 52 conduct.Therefore, it in light guide 50, usually requires that and meets total reflection item at incident light side surface 53
Part, still, the setting of scattering protrusion 54 will destroy total reflection condition, that is to say, that when the light injected from light incident side 51 is anti-
It when being mapped in scattering protrusion 54, will not be totally reflected, and can be projected from light guide 50, to reach side transmissive wall 32.
As an example, the surface of scattering protrusion 54 can be tilted relative to the side surface 53 of light guide 50, specific tilt angle is relied on
In the incidence angle of light and the refractive index of light guide 50.And on side surface 53 it is not set it is described scattering protrusion 54 part,
Total reflection condition is still met, and the light injected from light incident side 51 is transmitted in a manner of being totally reflected to light exit side 52.
Since the major part of light beam is transmitted to light exit side 52 from light incident side 51 with total reflection mode by light guide 50,
Therefore, optical efficiency is high.By means of such mode, most of luminous energy of light beam can be concentrated on positive light transmission by light guide 50
Wall 31, and small part light is transmitted to side transmissive wall 32 by scattering protrusion 54, thus guaranteeing illumination and/or signal designation function
Three-dimensional display effect is capable of providing while energy.
As an example, as shown in figure 3, scattering protrusion 54 is randomly disposed in the side surface 53 of the light guide 50
On.This can enable more uniformly spreading for the light intensity being irradiated on 32 inner surface of side transmissive wall.As an example, scattering protrusion 54
It can make the light uniformization being emitted from it by scattering, such as may include the side surface 53 that the light guide 50 is set
Protrusion or texture, the protrusion or texture for example can have the height or depth of 0.01mm to 0.05mm.
In one example, the positive transmissive wall 31 is equipped with collimator apparatus 60.The collimator apparatus 60 can make from positive light transmission
The energy for the light that wall 31 projects is concentrated towards the front of positive transmissive wall 31, so that illumination and/or signal designation be better achieved
Brightness needed for function.For example, the collimator apparatus 60 can be Fresnel lens, as shown in Figures 2 to 4.Fresnel lens
It is a kind of widely used optical element, is smooth surface on one side, another side is carved with concentric circles not of uniform size.It is saturating using Fresnel
Mirror can obtain optical efficiency more higher than ordinary lens, can also reduce cost.Certainly, the collimation in the embodiment of the present invention
Device 60 is not limited to Fresnel lens, can also use ordinary lens or any other known collimator apparatus.As an example, such as
Shown in Fig. 2 to Fig. 4, the collimator apparatus 60 be can be set on the inner surface of positive transmissive wall 31, this helps avoid collimation dress
Set 60 damage by 30 external component of translucent cover.However, as an example, the collimator apparatus 60 is not limited to setting just thoroughly
On the inner surface of light wall 31, for example, it is also possible to be arranged on the outer surface of positive transmissive wall 31.
In the embodiment that optical module 100 ', 100 " is provided with both beam steering devices 40 and collimator apparatus 60, example
As shown in Fig. 2, the light source 10 can be located between the focus v and the positive transmissive wall 31 of the collimator apparatus 60.Not
In the case where beam steering devices 40 are arranged, in order to make collimator apparatus 60 preferably work, it will usually be arranged light source 10 in standard
At the focus v of straight device 60.And the corrective action for beam direction of beam steering devices 40 can make light source 10 be located at
Good collimating effect can be realized when position between the focus v of collimator apparatus 60 and the positive transmissive wall 31.In other words,
The setting of beam steering devices 40 can make the optimum position of the setting of light source 10 mobile towards positive transmissive wall 31.This facilitates
Reduce the overall dimensions of optical module 100.
In one example, the inner surface of side transmissive wall 32 can be equipped with multiple light distribution structures 34, for by the side
The light distribution of the light of transmissive wall 32 is adjusted.The light distribution structure 34 may include raised or sunken structure, such as can benefit
It is diffused with modes such as scattering, refractions come the light being irradiated in side transmissive wall 32, thus make to be emitted from side transmissive wall 32
Light has more uniform light distribution.In addition, as an example, some light is also possible to after approaching side transmissive wall 32
By the light 21 in multiple reflections, such as example shown in Fig. 4 inside side transmissive wall 32, it is incident on generally perpendicular direction
In side transmissive wall 32, and (such as end face 35 can be with the inner surface of side transmissive wall 32 at being less than by the end face of side transmissive wall 32 35
90 degree or less than 60 degree (such as 45 degree) angle) be reflected towards the inside of side transmissive wall 32, by end face 35 reflect light again may
It is reflected by the inner surface and the outer surface of side transmissive wall 32.And the light distribution structure 34 on the inner surface of side transmissive wall 32 can be enhanced pair
In the reflection of the light on from 32 internal irradiation of side transmissive wall to the inner surface of side transmissive wall 32, such as make it along multiple and different sides
To reflection, to further increase the uniformity of the light projected from side transmissive wall 32.
Although above-mentioned light distribution structure 34 is only shown in FIG. 4, it can be used for being not provided with beam steering devices 40
The embodiment of (as shown in Figure 1) is arranged in the embodiment (as shown in Figure 3) of light guide 50.
In one example, multiple light distribution protrusions 36 (as shown in Figure 5) have can be set in the outer surface of the positive transmissive wall 31,
The light distribution protrusion 36 is arranged to adjust the light distribution for the light being emitted from the positive transmissive wall 31.Light distribution protrusion 36 can make light
It is more evenly distributed by force, the light distribution at different distances in front of positive transmissive wall 31 can also be adjusted, it is motor-driven to meet
The requirement of the car light specification (such as chinese national standard, EU criteria etc.) of vehicle.As an example, the table of the light distribution protrusion 36
Face shape, which can be set into, to be adjusted to the light distribution for the light being emitted from positive transmissive wall 31 to meet the vehicle of any motor vehicles
The specification of lamp.
Fig. 6 schematically illustrates the schematic diagram of the effect of the raised 36 pairs of light beams of illustrative light distribution.The wherein row of light
It is schematically shown into direction by filled arrows.It is incited somebody to action as an example, the surface shape of each light distribution protrusion 36 can be set into
Beam section by the light distribution protrusion 36 assembles (such as upper convex surface) or diverging (such as concave surface) along predetermined direction.
It should be noted that even if the surface shape of light distribution protrusion 36 is configured to assemble light beam, but due to optical property, when
Convergent beam may also become the light beam of diverging by convergent point later, as shown in Figure 6.The different surface shapes of light distribution protrusion 36
Shape (such as curvature or tilted shape) can change light distribution of the light beam at the position for leaving positive 31 different distance of transmissive wall,
Such as it can make have the light intensity relatively concentrated to meet on leaving the beam cross section within the scope of positive 31 certain distance of transmissive wall
The illumination requirement needed.Specific parameter depends on the design requirement of the car light of different function, and the car light about different function is set
Meter requires to can refer to the relevant technical specification in this field, and details are not described herein.The convergence of the raised 36 pairs of beam sections of the light distribution
Or disperse function can realize the refraction of beam section by the surface of light distribution protrusion 36.
Although the cross sectional shape of the positive transmissive wall 31 shown in Fig. 5 is circle, as example, it also can have triangle
The polygonal shapes such as shape, quadrangle, hexagon, correspondingly, the overall shape of the translucent cover 30 can be cylindrical or prism
Shape.However, embodiments of the present invention are not limited thereto, the overall shape of translucent cover 30 also can have any other shape.As
The wall thickness of example, positive transmissive wall 31 and side transmissive wall 32 can design according to actual needs, for example, it can have such as 1
Millimeter is to the wall thickness between 50 millimeters, such as can be 2 millimeters, 5 millimeters, 10 millimeters, 20 millimeters etc., but the embodiment of the present invention
Without being limited thereto, as long as design space and material cost allow, positive transmissive wall 31 and side transmissive wall 32 can have arbitrary wall thickness.
The embodiments of the present invention also provide a kind of car light, including as described in above-mentioned any embodiment optical module 100,
100',100".It may include the optical module 100,100 ', 100 " in a car light, also may include multiple light
Component 100,100 ', 100 " are learned, such as with multiple optical modules 100 of different shapes, 100 ', 100 ".From positive transmissive wall 31
The light beam of injection can be used for being formed illumination and/or the signal designation light of car light, to improve visual effect.
As an example, the light source 10 may include white light or monochrome light emission diode, it is also possible to known in the art
Other light sources, such as incandescent lamp.As an example, the translucent cover 30 can be integrated, to simplify manufacture craft, and have
Help improve optical efficiency.For example, translucent cover 30 (including positive transmissive wall and side transmissive wall) can by transparent glass, resin or
Plastic material is made, such as PMMA (polymethyl methacrylate).The Refractive Index of Material of translucent cover 30 for example can 1.3 to
Between 2.0.
In an embodiment of the present invention, optical module 100,100 ', 100 " can be by any of for keeping optics
The suitable device of element is supported or is hung, such as support, boom etc..
The car light of embodiment according to the present invention may include any kind of headlight for motor-driven vehicles and/or signal lamp,
Such as headlamp, center high-mounted stop lamp, turn signal, position lamp, tail portion brake lamp etc..The vehicle of embodiment according to the present invention
Lamp can be headlight, Rear lamp for vehicle or indoor lamp.
Although in conjunction with attached drawing, the present invention is described, and embodiment disclosed in attached drawing is intended to preferred to the present invention
Embodiment illustrates, and should not be understood as to a kind of limitation of the invention.Dimension scale in attached drawing is only
Schematically, limitation of the present invention can not be interpreted as.
Although some embodiments of present general inventive concept have been shown and have illustrated, those of ordinary skill in the art will be managed
Solution can make a change these embodiments in the case where the principle and spirit without departing substantially from this present general inventive concept, of the invention
Range is limited with claim and their equivalent.
Claims (17)
1. a kind of optical module for car light, including：
Light source, the light source, which has, to shine axis and is arranged to sending light beam, and the light beam has central part and outer peripheral portion；
With
Translucent cover, the translucent cover have positive transmissive wall and side transmissive wall, and the positive transmissive wall intersects simultaneously with the luminous axis
For transmiting the central part of the light beam, the side transmissive wall is located at the radial outside of the positive transmissive wall and for transmiting institute
The outer peripheral portion of light beam is stated, the side transmissive wall is vertical with the positive transmissive wall or tilts relative to the positive transmissive wall,
Wherein, the side transmissive wall is provided with light uniformization structure.
2. optical module according to claim 1 further includes beam steering devices, the beam steering devices are arranged to
The light beam issued from light source is adjusted the light beam before reaching the positive transmissive wall and side transmissive wall.
3. optical module according to claim 2, wherein the beam steering devices have the first light incident surface and second
Light incident surface, first light incident surface is located at the middle section of the side towards light source of the beam steering devices, described
Second light incident surface is located at the radial outside of first light incident surface, and also there is the beam steering devices positive light to be emitted
Face, the forward direction light-emitting face is arranged to will be from the light of the first light incident surface incidence and from second light incident surface incidence
A part of light towards the positive light transmission wall guided.
4. optical module according to claim 3, wherein the first light incident surface is optical alignment surface.
5. optical module according to claim 3, wherein the forward direction light-emitting face is to expand surface.
6. optical module according to claim 3, wherein the light covering being emitted from the positive light-emitting face is described just thoroughly
The entire inner surface of light wall.
7. optical module according to claim 3, wherein the beam steering devices further include total reflection surface, described
Total reflection surface is arranged for will be complete from a part of light of the second light incident surface incidence towards the positive light-emitting face
Reflection.
8. optical module according to claim 7, wherein the beam steering devices further include lateral light-emitting face, institute
Stating that lateral light-emitting face is arranged to will be from another part light of the second light incident surface incidence towards the side light transmission wall guided.
9. optical module according to claim 8, wherein it is saturating to cover the side from the light of the lateral light exit face
The entire inner surface of light wall.
10. optical module according to claim 2, wherein the beam steering devices include light guide, the light guide
Device has light incident side, light exit side and the side surface extended between the light incident side and light exit side, and the light enters
It penetrates end to be arranged to receive the light beam from light source, the light exit side is arranged towards the positive transmissive wall, from the light incident side
It is convex that the major part of incident light beam is disposed with multiple scatterings from positive transmissive wall described in the light exit side directive, the side surface
It rises, for making from another part of the light beam of the light incident side incidence through side transmissive wall described in the side surface directive.
11. optical module according to claim 10, wherein the scattering protrusion is randomly disposed in the light guide
Side surface on.
12. optical module according to any one of claim 1 to 11, wherein the positive transmissive wall is equipped with collimator apparatus.
13. optical module according to claim 12, wherein the collimator apparatus is Fresnel lens.
14. the optical module according to any one of claim 2 to 8, wherein the positive transmissive wall is equipped with collimator apparatus,
The light source is located between the focus and the positive transmissive wall of the collimator apparatus.
15. optical module according to any one of claim 1 to 11, wherein the inner surface of the side transmissive wall is equipped with
Multiple light distribution structures are adjusted for the light distribution to the light Jing Guo the side transmissive wall.
16. optical module according to any one of claim 1 to 11, wherein the outer surface of the positive transmissive wall is arranged
There are multiple light distribution protrusions, the light distribution protrusion is arranged to adjust the light distribution for the light being emitted from the positive transmissive wall.
17. a kind of car light, including optical module described according to claim 1 any one of -16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266922.0A CN108916811A (en) | 2017-04-21 | 2017-04-21 | Optical module and car light |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266922.0A CN108916811A (en) | 2017-04-21 | 2017-04-21 | Optical module and car light |
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| CN108916811A true CN108916811A (en) | 2018-11-30 |
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| CN201710266922.0A Pending CN108916811A (en) | 2017-04-21 | 2017-04-21 | Optical module and car light |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701568A (en) * | 2019-10-10 | 2020-01-17 | 东风汽车有限公司 | Front light |
| CN113464898A (en) * | 2020-03-30 | 2021-10-01 | 上海汽车集团股份有限公司 | Automobile tail lamp and automobile with same |
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| CN103511978A (en) * | 2012-06-29 | 2014-01-15 | 欧司朗股份有限公司 | Lens, illuminating device and light box |
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| CN110701568A (en) * | 2019-10-10 | 2020-01-17 | 东风汽车有限公司 | Front light |
| CN110701568B (en) * | 2019-10-10 | 2022-03-08 | 东风汽车有限公司 | Front light |
| CN113464898A (en) * | 2020-03-30 | 2021-10-01 | 上海汽车集团股份有限公司 | Automobile tail lamp and automobile with same |
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Application publication date: 20181130 |