CN208255533U - A kind of laser illuminator system and holographic head-up-display system - Google Patents
A kind of laser illuminator system and holographic head-up-display system Download PDFInfo
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- CN208255533U CN208255533U CN201820912158.XU CN201820912158U CN208255533U CN 208255533 U CN208255533 U CN 208255533U CN 201820912158 U CN201820912158 U CN 201820912158U CN 208255533 U CN208255533 U CN 208255533U
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Abstract
The utility model embodiment is related to technical field of laser display, discloses a kind of laser illuminator system and holographic head-up-display system.Wherein, which includes: laser light source, expands module, beam splitting module and steering module；The laser light source is for exporting laser beam；The laser beam is converted to collimated light beam and exported by the module that expands for receiving the laser beam；The beam splitting module expands between module and the steering module described in being set to, and the collimated light beam is divided into several first beamlets and exported by the beam splitting module for receiving the collimated light beam；The steering module is for receiving all first beamlets, and each first beamlet is divided into several second beamlets and is exported, the outbound course of all second beamlets is identical, and the transmission direction of first beamlet and second beamlet is not identical.In the above manner, the present embodiment need to only use a light source to can be obtained biggish display image, demand at low cost can satisfy.
Description
Technical field
The utility model embodiment is related to technical field of laser illumination, more particularly to a kind of laser illuminator system and holography
Head-up-display system.
Background technique
Head-up-display system (Head Up Display, HUD) refers to centered on driver, the multi-functional instrument of blind operation
Dial plate, it is used to the important informations such as speed per hour, navigation project to the windshield before driver, enables a driver to not low
Head can see important information not rotary head.
As shown in Figure 1, existing head-up-display system includes pictcure generator 1, first surface reflecting mirror 2 and the second curved surface
Reflecting mirror 3 is constituted, and pictcure generator 1 and first surface reflecting mirror 2, the second curved reflector 3 are arranged in triangle respectively, image hair
The image display beams that raw device 1 emits, are successively expanded by first surface reflecting mirror 2, the second curved reflector 3, then
It is shown in image on windshield 4, to enable a driver to see image from windshield 4.
The inventor of the utility model has found during realizing the utility model embodiment: aobvious based on holographic new line
Show that device needs bigbore parallel laser, so that the laser light source of pictcure generator is also required to increase, it is at high cost.
Utility model content
The utility model embodiment mainly solving the technical problems that provide a kind of laser illuminator system and it is holographic come back it is aobvious
Show system, need to only a light source be used to can be obtained biggish display image, can satisfy demand at low cost.
In order to solve the above technical problems, the technical solution that the utility model embodiment uses is: providing a kind of laser
Lighting device, comprising: laser light source expands module, beam splitting module and steering module；The laser light source is for exporting laser light
Beam；The laser beam is converted to collimated light beam and exported by the module that expands for receiving the laser beam；It is described
Beam splitting module expands between module and the steering module described in being set to, and the beam splitting module is used to receive the collimated light beam,
And the collimated light beam is divided into several first beamlets and is exported；The steering module is for receiving all first sub-lights
Beam, and each first beamlet is divided into several second beamlets and is exported, the output side of all second beamlets
To identical, and the transmission direction of first beamlet and second beamlet is not identical.
Optionally, the module that expands includes: the first lens and the second lens；First lens are described sharp for receiving
The laser beam of radiant output, and the laser beam is expanded and exported in a first direction；Described second thoroughly
Mirror is used to receive the laser beam of the first lens output, and expands in a second direction to the laser beam
And export, to export the collimated light beam.
Optionally, the shape of first lens and second lens is semicylinder shape, first lens
Rectangle sides it is opposite with the laser light source, the arcuate flanks phase of the rectangle sides of second lens and first lens
Right, the long side of the rectangle sides of first lens is orthogonal with the long side of rectangle sides of second lens.
Optionally, the laser light source is optical fiber-coupled laser light source, diode laser light source or Solid State Laser light source.
Optionally, the beam splitting module includes the first reflecting mirror and at least one beam splitter prism；At least one described beam splitting
Prism and first reflecting mirror are linearly arranged successively, and first reflecting mirror is located at an end, are located at another end
The beam splitter prism for receiving the collimated light beam；Each beam splitter prism all has light reflection and optical transmittance property,
First reflecting mirror has light reflective properties, and the collimated light beam is transmitted to described the by the beam splitter prism for being located at another end
One reflecting mirror, in the process of collimated light beam transmission, each beam splitter prism is isolated described in one from the collimated light beam
It first beamlet and exports, first reflecting mirror is defeated as first beamlet using the remainder of collimated light beam
Out.
Optionally, first reflecting mirror and at least one described beam splitter prism are arranged in parallel, and the directional light
The incident angle that beam is incident to the inclined edge surfaces of the beam splitter prism positioned at another end is 45 degree.
Optionally, the quantity of the beam splitter prism is several, from the beam splitter prism of another end is located to being located at
The reflected light of the beam splitter prism and the beam intensity ratio of transmitted light of first reflecting mirror one end respectively are: (n-1)/n:
(1/n),[1/(n-1)]:(n-2)/(n-1),(n-3)/(n-2):[1/(n-2)],...,1/2:1/2；Wherein, the n is point
The quantity of beam prism.
Optionally, the steering module includes the second reflecting mirror and at least one turns to prism；At least one described steering
Prism and second reflecting mirror are set gradually, and second reflecting mirror is located at an end, and the steering prism is reflected with light
And optical transmittance property, second reflecting mirror have light reflective properties；The length for turning to prism and second reflecting mirror
Identical as the length of the beam splitting module, the steering prism positioned at another end receives all first beamlets, Mei Yisuo
It states the first beamlet and is located at the steering prism transfer of another end to second reflecting mirror, passed in first beamlet
Defeated process, each steering prism is isolated second beamlet from first beamlet and is exported, described
Second reflecting mirror is exported the remainder of first beamlet as second beamlet.
Optionally, the quantity for turning to prism is several, from the prism that turns to of another end is located to being located at
The reflected light of the steering prism and the beam intensity ratio of transmitted light of second reflecting mirror one end respectively are: (1/m): (m-1)/m,
(m-2)/(m-1):[1/(m-1)],[1/(m-2)]:(m-3)/(m-2),...,1/2:1/2；Wherein, the m is beam splitter prism
Quantity.
In order to solve the above technical problems, another technical solution that the utility model embodiment uses is: providing a kind of complete
Head-up-display system is ceased, including above-mentioned laser illuminator system and display module, the second son of the laser illuminator system output
Light beam irradiates the display module, to be projected out image display beams.
The beneficial effect of the utility model embodiment is: being in contrast to the prior art, the utility model embodiment mentions
For a kind of laser illuminator system and holographic head-up-display system, module is expanded by setting and exports collimated light beam, beam splitting module will
Collimated light beam is divided into identical first beamlet of several Shu Guangqiang, and every one first beamlet is divided into several second sons by steering module
Light beam can satisfy need at low cost in the above manner, need to only a light source be used to can be obtained biggish display image
It asks.
Detailed description of the invention
One or more is implemented to illustrate by corresponding attached drawing, these exemplary illustrations are not constituted
Restriction to embodiment, the element in attached drawing with same reference numbers label is expressed as similar element, unless there are special Shen
Bright, composition does not limit the figure in attached drawing.
Fig. 1 is the structural schematic diagram of the head-up-display system of the prior art；
Fig. 2 is a kind of structural schematic diagram of the utility model laser illuminator system that wherein an embodiment provides；
Fig. 3 is the first lens of the laser illuminator system in Fig. 2 and the structural schematic diagram of the second lens；
Fig. 4 a is the structural schematic diagram of the beam splitting module of the laser illuminator system in Fig. 2；
Fig. 4 b is the structural schematic diagram of the beam splitting module of the laser illuminator system in Fig. 2；
Fig. 5 is the structural schematic diagram of the steering module of the laser illuminator system in Fig. 2；
Fig. 6 is a kind of structural schematic diagram for holographic head-up-display system that another embodiment of the utility model provides；
Fig. 7 is a kind of structural schematic diagram for holographic head-up-display system that another embodiment of the utility model provides；
Fig. 8 is the functional block diagram of the holographic head-up-display system of Fig. 7.
Specific embodiment
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.It should be noted that it can be directly in another element when element is expressed " being fixed on " another element
Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can
To be directly to another element or elements placed in the middle there may be one or more therebetween.This specification is used
Term "vertical", "horizontal", "left" and "right", "upper", "lower", "inner", "outside", the instructions such as " bottom " orientation or position
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and cannot manage
Solution is indication or suggestion relative importance.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Term used in the description of the utility model is intended merely to
The purpose for describing specific embodiment is not intended to limitation the utility model.Term "and/or" used in this specification includes
Any and all combinations of one or more related listed items.
In addition, as long as technical characteristic involved in the utility model difference embodiment disclosed below is each other not
Constituting conflict can be combined with each other.
Laser illuminator system in the utility model embodiment can provide the directional light of large aperture by single source
Beam need to only use a light source to can be obtained biggish display image, and multiple light sources that no setting is required can satisfy need at low cost
It asks.
Laser illuminator system in the utility model embodiment can be applied to the holographic display system that comes back in the present embodiment
System, to reduce the cost of holographic head-up-display system.
Specifically, laser illuminator system and holographic head-up-display system will be illustrated by embodiment below.
Embodiment one
Referring to Fig. 2, being a kind of structural schematic diagram of the utility model laser illuminator system that wherein an embodiment provides.
As shown in Fig. 2, laser illuminator system 100 includes laser light source 10, expands module 20, beam splitting module 30 and steering module 40.
Wherein, laser light source 10 is for exporting laser beam, expands module 20 for receiving laser beam, and by laser light
Beam is converted to collimated light beam and exports, and beam splitting module 30 is set to and expands between module 20 and steering module 40, and beam splitting module 30 is used
In reception collimated light beam, and collimated light beam is divided into several first beamlets and is exported；Steering module 40 is for receiving all the
One beamlet, and every one first beamlet is divided into several second beamlets and is exported, the outbound course of all second beamlets
It is identical, and the transmission direction of the first beamlet and the second beamlet is not identical.Wherein, in the present embodiment, the first beamlet
It is vertical with the second beamlet.In the above manner, the directional light of large aperture can be obtained, and without using multiple light sources, at
This is lower.
Laser light source 10 can be optical fiber-coupled laser light source, diode laser light source or Solid State Laser light source.Laser light
Source 10 may include red laser light source, green laser light source, blue laser light source.By using tricolor laser, laser light
Source 10 most can truly reproduce that objective world is abundant, gorgeous color, provide the expressive force more shaken.Such as: by swashing
The all solid state laser and frequency doubling technology of optical diode pumping obtain red, green, blue laser light source.
The side that module 20 is set to 10 outgoing laser beams of laser light source is expanded, to receive swashing for the output of laser light source 10
Light light beam, to be expanded to laser beam.
Wherein, expanding module 20 includes the first lens 21 and the second lens 22.First lens 21 are set to relatively close laser
The side of light source 10, the second lens 22 are set to the side for being relatively distant from laser light source 10.First lens 21 are for receiving laser light
The laser beam that source 10 exports, and laser beam is expanded and exported in a first direction.Second lens 22 are for receiving the
The laser beam of one lens 21 output, and laser beam is expanded and exported in a second direction, to export collimated light beam.
Wherein, first direction is vertical with second direction, for example, first direction can be horizontal direction, second direction can be with
For vertical direction, so that laser beam exports rectangular parallel light beam after expanding.
Wherein, the shape of the first lens 21 and the second lens 22 is semicylinder shape, the rectangular side of the first lens 21
Face and laser light source 10 are opposite, and the rectangle sides of the second lens 22 are opposite with the arcuate flanks of the first lens 21, the first lens 21
Rectangle sides long side it is orthogonal with the long side of rectangle sides of the second lens 22.
Wherein, referring to Figure 2 together, the first lens 21 are equipped with the first rectangle sides 211, the first arcuate flanks 212 and the
One semi-circular section 213, there are two the quantity of the first semi-circular section 213, and two the first semi-circular sections 213 are respectively perpendicular set on first
Two opposite side of rectangle sides 211, the first arcuate flanks 212 respectively with 211, two the first semi-circular sections 213 of the first rectangle sides
Connection.Second lens 22 are equipped with the second rectangle sides 221, the second arcuate flanks 222 and the second semi-circular section 223, the second semicircle
There are two the quantity in section 223, and two the second semi-circular sections 223 are respectively perpendicular two opposite side set on the second rectangle sides 221, the
Two arcuate flanks 222 are connect with 221, two second semi-circular sections 223 of the second rectangle sides respectively.First rectangle sides
211 be the rectangle sides of the first lens 21, and the second rectangle sides 221 are the rectangle sides of the second lens 22.Specifically, the first square
Shape side 211 and laser light source 10 are opposite, and the second rectangle sides 221 and the first arcuate flanks 212 are opposite, the second arcuate flanks
222 is opposite with beam splitting module 30, also, the long side of the first rectangle sides 211 is orthogonal with the long side of the second rectangle sides 221, the
One semi-circular section 213 is vertical with the second semi-circular section 223, the first semi-circular section 213 and horizontal plane, the second semi-circular section
223 are parallel to the horizontal plane, so that the first lens 21 and the orthogonal setting of the second lens 22.
It is understood that the position of the position of the first lens 21 and the second lens 22 can in some other embodiments
To exchange, expanded so that laser beam first passes through the second lens 22 in second direction, using the first lens 21 first
Direction is expanded.
A and Fig. 4 b referring to Figure 4 together, beam splitting module 30 are set to the collimated light beam for expanding the second lens 22 of module 20
The side of exit direction, to receive collimated light beam.Beam splitting module 30 includes the first reflecting mirror 31 and at least one beam splitter prism
32.At least one beam splitter prism 32 and the first reflecting mirror 31 are linearly arranged successively, and the first reflecting mirror 31 is located at an end.
Beam splitter prism 32 positioned at another end is for receiving collimated light beam.Each beam splitter prism 32 all has light reflection and transmitance
Can, the first reflecting mirror 31 has light reflective properties, and collimated light beam is transmitted to first instead by the beam splitter prism 32 for being located at another end
Mirror 31 is penetrated, in the process of collimated light beam transmission, each beam splitter prism 32 isolates one first beamlet and defeated from collimated light beam
Out, the first reflecting mirror 31 is exported the remainder of collimated light beam as one first beamlet.
Wherein, the first reflecting mirror 31 can be plane of reflection mirror or Amici prism, when the first reflecting mirror 31 is that reflection is flat
When the mirror of face, the first reflecting mirror 31 is parallel with the inclined edge surfaces of beam splitter prism 32；When the first reflecting mirror 31 is Amici prism, first is anti-
The beam intensity ratio of the reflected light and transmitted light of penetrating mirror 31 is 1:0, so that the first reflecting mirror 31 realizes light reflective properties.
Wherein, beam splitter prism 32 is Amici prism, and beam splitter prism 32 is positive cube shape, the inclined edge surfaces plating of beam splitter prism 32
There is spectro-film, so that beam splitter prism 32 can be realized light reflection and optical transmittance property.Wherein, inclined edge surfaces are beam splitter prism 32
The face that the bevel edge in each face is formed.
Wherein, the first reflecting mirror 31 and at least one beam splitter prism 32 are arranged in parallel, for example, when the first reflecting mirror 31 is
When plane of reflection mirror, the first reflecting mirror 31 is parallel with the inclined edge surfaces of beam splitter prism 32.Also, parallel beam incident is another to being located at
The incident angle of the inclined edge surfaces of the beam splitter prism 32 of end be 45 degree so that beam splitter prism 32 reflect the first beamlet and
The inclined edge surfaces of beam splitter prism 32 are emitted at 45 degree.
It is understood that in some other embodiments, parallel beam incident to the beam splitter prism for being located at another end
The incident angle of 32 inclined edge surfaces can be more than or less than 45 degree, as long as guaranteeing the inclined edge surfaces of each beam splitter prism 32, first
Reflecting mirror 31 is parallel.
Wherein, the quantity of beam splitter prism 32 is several, and the quantity of beam splitter prism 32 can be according to required image size
Freely it is arranged.Referring again to Fig. 4 a, when the incident direction of collimated light beam and the exit direction of the first beamlet are the same direction,
From the beam splitter prism 32 of another end is located to the reflected light and transmitted light of the beam splitter prism 32 for being located at 31 one end of the first reflecting mirror
Beam intensity ratio respectively be: (n-1)/n:(1/n), [1/ (n-1)]: (n-2)/(n-1), (n-3)/(n-2): [1/ (n-
2)] ..., 1/2:1/2, wherein n is the quantity of beam splitter prism 32.In the present embodiment, the quantity of beam splitter prism 32 is 3,
First reflecting mirror 31 is the Amici prism that the beam intensity ratio of reflected light and transmitted light is 1:0.The reflected light and transmission of beam splitter prism 32
The beam intensity ratio of light is successively are as follows: 0.75:0.25,0.33:0.67,0.5:0.5.When first Amici prism 32 of parallel beam incident
When, 25% collimated light beam transmits from the inclined edge surfaces of first Amici prism 32 and is emitted into one first beamlet, 75% it is flat
Row light beam is reflected in the inclined edge surfaces of first Amici prism 32, and is emitted to along the direction vertical with the incident direction of collimated light beam
Second Amici prism 32；33% collimated light beam in 75% is reflected and is emitted into the inclined edge surfaces of second Amici prism 32
One first beamlet, the inclined edge surfaces in 67% collimated light beam in 75% in second Amici prism 32 are transmitted through third point
Light prism 32；67% 50% collimated light beam in 75% reflects in third Amici prism 32 and is emitted into one first sub-light
Beam, 67% 50% collimated light beam in 75% are transmitted through the first reflecting mirror 31, the first reflecting mirror in third Amici prism 32
Remaining collimated light beam is reflected and is emitted into one first beamlet by 31, and the light intensity of all first beamlets is identical.
It is understood that Fig. 4 b is please referred in some other embodiments, when the incident direction and first of collimated light beam
When the exit direction of beamlet is vertical, from the beam splitter prism 32 positioned at another end to the beam splitting for being located at 31 one end of the first reflecting mirror
The reflected light of prism 32 and the beam intensity ratio of transmitted light respectively are: (1/n): (n-1)/n, (n-2)/(n-1): [1/ (n-1)],
[1/ (n-2)]: (n-3)/(n-2) ..., 1/2:1/2, wherein n be beam splitter prism 32 quantity.For example, working as beam splitter prism 32
Quantity when being 3, from the beam splitter prism 32 of another end is located to the beam splitter prism 32 for being located at the first reflecting mirror 31 one end
The beam intensity ratio of reflected light and transmitted light respectively is: 0.25:0.75,0.67:0.33,0.5:0.5.
Please refer to fig. 5, steering module 40 is set to the side of the exit direction of the first beamlet of beam splitting module 30, from
And receive all first beamlets.Steering module 40 includes the second reflecting mirror 41 and at least one turns to prism 42.At least one
It turns to prism 42 and the second reflecting mirror 41 is set gradually, the second reflecting mirror 41 is located at an end, turns to prism 42 and reflects with light
And optical transmittance property, the second reflecting mirror 41 have light reflective properties.Turn to the length and beam splitting of prism 42 and the second reflecting mirror 41
The length of module 30 is identical, and the steering prism 42 positioned at another end receives all first beamlets, every one first beamlet position
Steering prism 42 in another end is transmitted to the second reflecting mirror 41.In the process of the first beamlet transmission, each steering prism
42 isolate one second beamlet from first beamlet and export, and the second reflecting mirror 41 is by the remainder of the first beamlet
It is allocated as the output of one second beamlet.
Wherein, the second reflecting mirror 41 can be plane of reflection mirror or Amici prism, when the second reflecting mirror 41 is that reflection is flat
When the mirror of face, the second reflecting mirror 41 is parallel with the inclined edge surfaces of prism 42 are turned to, and when the second reflecting mirror 42 is Amici prism, second is anti-
The beam intensity ratio of the reflected light and transmitted light of penetrating mirror 42 is 1:0, so that the second reflecting mirror 11 realizes light reflective properties.
Wherein, turning to prism 42 is Amici prism, and steering prism 42 is rectangular shape, and turns to the length of prism 42
It is equal plus the sum of the length of the first reflecting mirror 41 with all beam splitter prisms 32 of spectral module 30.Wherein, inclined edge surfaces are to turn to
The face that the bevel edge in each face of prism 42 is formed.
Wherein, the second reflecting mirror 41 and at least one steering prism 42 are arranged in parallel, for example, when the second reflecting mirror 41 is
When plane of reflection mirror, the incident angle of the second reflecting mirror 41 and the inclined edge surfaces for turning to prism 42 is 45 degree, so that turning to rib
The second beamlet and turn to the inclined edge surfaces of prism 42 into 45 degree of outgoing that mirror 42 reflects.
It is understood that in some other embodiments, parallel beam incident to the steering prism for being located at another end
The incident angle of 42 inclined edge surfaces can be more than or less than 45 degree, as long as guaranteeing each inclined edge surfaces for turning to prism 42, second
Reflecting mirror 41 is parallel.
Wherein, the quantity for turning to prism 42 is several, and the quantity for turning to prism 42 can be according to required image size
Freely it is arranged.Referring again to Fig. 2, when the first beamlet incidence steering module 40, prism 42 is turned to from positioned at another end
It respectively is to the reflected light of steering prism 42 and the beam intensity ratio of transmitted light for being located at 41 one end of the second reflecting mirror: (1/m):
(m-1)/m, (m-2)/(m-1): [1/ (m-1)], [1/ (m-2)]: (m-3)/(m-2) ..., 1/2:1/2, wherein the m is
Turn to the quantity of prism 42.In the present embodiment, the quantity for turning to prism 42 is 2, and the second reflecting mirror 41 is for reflected light and thoroughly
The beam intensity ratio for penetrating light is the Amici prism of 1:0.The beam intensity ratio of the reflected light and transmitted light that turn to prism 42 is successively are as follows: 0.33:
0.67,0.5:0.5.When the incident first steering prism 42 of all first beamlets, 33% collimated light beam turns from first
Reflect and be emitted into one second beamlet to the inclined edge surfaces of prism 42,67% collimated light beam is oblique first steering prism 42
The transmission of side face, and second steering prism 42 is emitted to along the direction vertical with the incident direction of collimated light beam；In 67%
50% the first beamlet reflects and is emitted into one first beamlet in the inclined edge surfaces of second steering prism 42, in 67%
Inclined edge surfaces in 50% collimated light beam in second steering prism 42 are transmitted through the second reflecting mirror 41, and the second reflecting mirror 41 will remain
The first remaining beamlet reflects and is emitted into one second beamlet, and the light intensity of all second beamlets is identical.
In the present embodiment, laser illuminator system 100 is by being arranged laser light source 10, expanding module 20, beam splitting module 30
With steering module 40, laser light source 10 exports laser light source, expands module 20 for laser light source and be converted to collimated light beam, beam splitting mould
Collimated light beam is divided into several first beamlets by block 30, and every one first beamlet is divided into several second beamlets by steering module 40
And export, to export large aperture collimated light beam, multiple light sources that no setting is required need to only use a light source can be obtained biggish
It shows image, can satisfy demand at low cost.
Embodiment two
Referring to Fig. 6, for a kind of structural schematic diagram of holographic head-up-display system provided by the embodiment of the utility model.Such as
Shown in Fig. 6, which includes the laser illuminator system 100 in display module 210 and above-described embodiment.
The second beamlet that laser illuminator system 100 exports irradiates display module 210, to project image display beams.
Wherein, laser illuminator system 100 is identical as the structure in above-described embodiment, and details are not described herein again.
Display module 210 is holographic display module etc., in this example it is shown that mould group 210 is programmable for transmission-type
Holographic display device.The second beamlet that display module 210 is emitted by receiving laser illuminator system 100, to show holography
Image.
In the present embodiment, when the image display beams that display module 210 projects project display carrier, eye can be from aobvious
Show and observes image on carrier.Wherein, display carrier can be metope, ground, glass etc..When holographic head-up-display system
200 be applied to vehicle on when, display carrier be windshield, windshield be used for receive display module 210 output image show
Show light beam, and the image display beams are reflexed into human eye, so that driver is it can be seen that holographic head-up-display system 200 generates
Image.
It is understood that holographic head-up-display system 200 further includes Fresnel Lenses in some other embodiments
(not indicating), Fresnel Lenses are set between laser illuminator system 100 and display module 210.Fresnel Lenses is sharp for receiving
The second beamlet that illuminating apparatus 100 exports, makes the second beamlet be converted to the second beamlet of uniform parallel and is emitted.
It is understood that please referring to Fig. 7 and Fig. 8, holographic head-up-display system 200 is also in some other embodiments
Including driving device 220 and controller 230, driving device 220 is connect with laser illuminator system 100, and controller 230 and driving fill
220 are set, controller 230 drives laser illuminator system 100 to move for controlling driving device 220.By the way that driving device 220 is arranged
With controller 230, the second beamlet that laser illuminator system 100 can be made to export is scanned in display module 210, thus
The long-time of display module 210 is avoided to irradiate, energy saving, and then can be obtained using the laser illuminator system 100 of lower-wattage
Enough to the image of brightness.
In the present embodiment, holographic head-up-display system 200 laser illuminator system 100 low by setup cost, so that
The cost of entire holography head-up-display system 200 also reduces, also, holographic head-up-display system 200 no setting is required camber reflection
Mirror, compact-sized, small volume.
It should be noted that giving the preferable implementation of the utility model in the specification and its attached drawing of the utility model
Mode, still, the utility model can be realized by many different forms, however it is not limited to which this specification is described to be implemented
Mode, these embodiments are not as the additional limitation to the content of the present invention, the purpose of providing these embodiments is that making
It is more thorough and comprehensive to the understanding of the disclosure of the utility model.Also, above-mentioned each technical characteristic continues to be combined with each other, and is formed
The various embodiments not being enumerated above are accordingly to be regarded as the range of the utility model specification record；Further, to this field
For those of ordinary skill, it can be modified or changed according to the above description, and all these modifications and variations all should belong to
The protection scope of the appended claims for the utility model.
Claims (10)
1. a kind of laser illuminator system, which is characterized in that including laser light source, expand module, beam splitting module and steering module；
The laser light source is for exporting laser beam；
The laser beam is converted to collimated light beam and exported by the module that expands for receiving the laser beam；
The beam splitting module expands between module and the steering module described in being set to, and the beam splitting module is described flat for receiving
Row light beam, and the collimated light beam is divided into several first beamlets and is exported；
Each first beamlet is divided into several second for receiving all first beamlets by the steering module
Beamlet simultaneously exports, and the outbound course of all second beamlets is identical, and first beamlet and second son
The transmission direction of light beam is not identical.
2. laser illuminator system according to claim 1, which is characterized in that it is described expand module include: the first lens and
Second lens；
First lens are used to receive the laser beam of the laser light source output, and in a first direction to the laser
Light beam is expanded and is exported；
Second lens are used to receive the laser beam of the first lens output, and swash in a second direction to described
Light light beam is expanded and is exported, to export the collimated light beam.
3. laser illuminator system according to claim 2, which is characterized in that
The shape of first lens and second lens is semicylinder shape, the rectangle sides of first lens with
The laser light source is opposite, and the rectangle sides of second lens are opposite with the arcuate flanks of first lens, and described first
The long side of the rectangle sides of lens is orthogonal with the long side of rectangle sides of second lens.
4. laser illuminator system according to claim 2, which is characterized in that the laser light source is optical fiber-coupled laser light
Source, diode laser light source or Solid State Laser light source.
5. laser illuminator system according to claim 1, which is characterized in that the beam splitting module include the first reflecting mirror and
At least one beam splitter prism；
At least one described beam splitter prism and first reflecting mirror are linearly arranged successively, and first reflecting mirror is located at
One end, the beam splitter prism positioned at another end is for receiving the collimated light beam；
Each beam splitter prism all has light reflection and optical transmittance property, and first reflecting mirror has light reflective properties, institute
It states collimated light beam and first reflecting mirror is transmitted to by the beam splitter prism for being located at another end, in the mistake of collimated light beam transmission
Journey, each beam splitter prism are isolated first beamlet from the collimated light beam and are exported, first reflection
Mirror is exported the remainder of collimated light beam as first beamlet.
6. laser illuminator system according to claim 5, which is characterized in that
First reflecting mirror and at least one described beam splitter prism are arranged in parallel, and the parallel beam incident is to being located at
The incident angle of the inclined edge surfaces of the beam splitter prism of another end is 45 degree.
7. laser illuminator system according to claim 5, which is characterized in that the quantity of the beam splitter prism is several,
From the beam splitter prism of another end is located to the reflection for the beam splitter prism for being located at first reflecting mirror one end
The beam intensity ratio of light and transmitted light respectively is: (n-1)/n:(1/n), [1/ (n-1)]: (n-2)/(n-1), (n-3)/(n-2):
[1/(n-2)],...,1/2:1/2；
Wherein, the n is the quantity of beam splitter prism.
8. laser illuminator system according to claim 1, which is characterized in that the steering module include the second reflecting mirror and
At least one turns to prism；
At least one described steering prism and second reflecting mirror are set gradually, and second reflecting mirror is located at an end, institute
It states and turns to prism with light reflection and optical transmittance property, second reflecting mirror has light reflective properties；
The length of the steering prism and second reflecting mirror is identical as the length of the beam splitting module, positioned at another end
The steering prism receives all first beamlets, and the steering prism that each first beamlet is located at another end passes
Second reflecting mirror is transported to, in the process of first beamlet transmission, each steering prism is from first sub-light
Beam is isolated second beamlet and is exported, second reflecting mirror using the remainder of first beamlet as
The one second beamlet output.
9. laser illuminator system according to claim 8, which is characterized in that the quantity for turning to prism is several,
From be located at another end it is described turn to prism to be located at second reflecting mirror one end the reflected light for turning to prism and
The beam intensity ratio of transmitted light respectively is: (1/m): (m-1)/m, (m-2)/(m-1): [1/ (m-1)], [1/ (m-2)]: (m-3)/
(m-2),...,1/2:1/2；
Wherein, the m is the quantity of beam splitter prism.
10. a kind of holography head-up-display system, which is characterized in that including the described in any item laser lighting dresses of claim 1-9
It sets and display module, the second beamlet of the laser illuminator system output irradiates the display module, shown with being projected out image
Show light beam.
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| CN201820912158.XU CN208255533U (en) | 2018-06-12 | 2018-06-12 | A kind of laser illuminator system and holographic head-up-display system |
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| CN109738988A (en) * | 2018-12-26 | 2019-05-10 | 上海交通大学 | All solid state horizontal two-dimension beam steering arrangements based on lens |
| CN109814086A (en) * | 2019-01-07 | 2019-05-28 | 上海禾赛光电科技有限公司 | A kind of laser radar |
| CN110543017A (en) * | 2018-06-12 | 2019-12-06 | 深圳疆程技术有限公司 | Laser lighting device and holographic head-up display system |
| CN113687462A (en) * | 2021-09-01 | 2021-11-23 | 哈尔滨工程大学 | Method for manufacturing fiber grating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110543017A (en) * | 2018-06-12 | 2019-12-06 | 深圳疆程技术有限公司 | Laser lighting device and holographic head-up display system |
| CN109738988A (en) * | 2018-12-26 | 2019-05-10 | 上海交通大学 | All solid state horizontal two-dimension beam steering arrangements based on lens |
| CN109738988B (en) * | 2018-12-26 | 2020-05-05 | 上海交通大学 | All-solid-state horizontal two-dimensional light beam steering device based on lens |
| CN109814086A (en) * | 2019-01-07 | 2019-05-28 | 上海禾赛光电科技有限公司 | A kind of laser radar |
| WO2020143542A1 (en) * | 2019-01-07 | 2020-07-16 | 上海禾赛光电科技有限公司 | Laser radar |
| CN112327275A (en) * | 2019-01-07 | 2021-02-05 | 上海禾赛科技股份有限公司 | Laser radar |
| CN112327275B (en) * | 2019-01-07 | 2022-08-02 | 上海禾赛科技有限公司 | Laser radar |
| CN113687462A (en) * | 2021-09-01 | 2021-11-23 | 哈尔滨工程大学 | Method for manufacturing fiber grating |
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