CN208255595U - A kind of liquid crystal display device and head-up-display system - Google Patents
A kind of liquid crystal display device and head-up-display system Download PDFInfo
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- CN208255595U CN208255595U CN201820797908.3U CN201820797908U CN208255595U CN 208255595 U CN208255595 U CN 208255595U CN 201820797908 U CN201820797908 U CN 201820797908U CN 208255595 U CN208255595 U CN 208255595U
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Abstract
The utility model embodiment is related to technical field of laser display, discloses a kind of liquid crystal display device and head-up-display system.Wherein, which includes: a kind of liquid crystal display device, comprising: laser light source, reflecting mirror, driving device, controller and display module；The driving device is connect with the reflecting mirror, and the controller is connect with the driving device, and the reflecting mirror is set between the laser light source and the display module；The laser light source is for emitting laser beam, the reflecting mirror is for receiving and reflecting the laser beam to the display module, the controller drives the reflecting mirror movement for controlling the driving device, so that the laser beam that the reflecting mirror is reflected covers the entire back side of the display module, to provide backlight to the display module.In the above manner, the problem of the present embodiment is able to solve display module irradiation for a long time and generates heat, and brightness of image can be enhanced.
Description
Technical field
The utility model embodiment is related to technical field of laser display, more particularly to a kind of liquid crystal display device and new line
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.
The virtual image that HUD is generated mainly passes through reflecting mirror and is imaged, wherein the reflecting mirror is generally windshield.
In order to not influence driving vision, it is desirable that windshield must have higher transmitance, when image of the windshield to HUD carries out instead
When penetrating, only about 10% light can enter human eye, and reflection efficiency is low.
The inventor of the utility model has found during realizing the utility model embodiment: currently, the liquid crystal of HUD
The backlight for showing mould group is all to deliver directly mode using LED light source array to realize, the clarity of the image to improve display then can only
The power of the LED light source array integrally increased, so that the heat of entire liquid crystal display die set be caused to be easier to rise.
Utility model content
The utility model embodiment is mainly solving the technical problems that provide a kind of liquid crystal display device and the display system that comes back
System solves the problems, such as display module irradiation for a long time and generates heat, and can enhance brightness of image.
In order to solve the above technical problems, the technical solution that the utility model embodiment uses is: providing a kind of liquid crystal
Display device, comprising: laser light source, reflecting mirror, driving device, controller and display module；The driving device and described anti-
Mirror connection is penetrated, the controller is connect with the driving device, and the reflecting mirror is set to the laser light source and the display mould
Between group；The laser light source is for emitting laser beam, and the reflecting mirror is for receiving and reflecting institute to the display module
Laser beam is stated, the controller drives the reflecting mirror movement for controlling the driving device, so that reflecting mirror institute
The laser beam of reflection covers the entire back side of the display module, to provide backlight to the display module.
Optionally, the liquid crystal display device further include: beam coupler is connect with the laser light source, is used for institute
The laser beam for stating laser light source transmitting synthesizes laser beam all the way；Optical fiber is connect, for connecing with the beam coupler
The laser beam of the beam coupler synthesis is received, and transmits the laser beam；Optical fiber collimator connects with the optical fiber
It connects, for receiving the laser beam of the optical fiber transmission, the laser beam is collimated and is exported to the reflecting mirror.
Optionally, the driving device includes: first axis driving unit and the second axially driving unit；The first axle
The reflecting mirror, the first axis driving unit, second axis are set to driving unit, the second axially driving unit
It is connect respectively with the controller to driving unit；The first axis driving unit is for driving the reflecting mirror relatively described
Display module rotation, so that the incidence point for the incident display module of laser beam that the reflecting mirror is reflected is in the display
The first party at the back side of mould group moves up；The second axially driving unit is for driving the relatively described display of the reflecting mirror
Mould group rotation, so that the incidence point for the incident display module of laser beam that the reflecting mirror is reflected is in the display module
The second party at the back side move up.
Optionally, the scan frequency of the reflecting mirror is more than or equal to 30HZ.
Optionally, the driving device includes rotating unit and translation unit, the rotating unit and the translation unit
It is connect with the controller；
The rotating unit is for driving the reflecting mirror to rotate relative to the display module, so that reflecting mirror institute
The first party at the back side of the incidence point of the incident display module of the laser beam of reflection in the display module moves up；
The translation unit is used to that the reflecting mirror and the laser light source to be driven to move in parallel both with respect to display module,
So that the incidence point for the incident display module of laser beam that the reflecting mirror is reflected is at the back side of the display module
Second party moves up.
Optionally, the liquid crystal display device further include: Fresnel Lenses is set to the reflecting mirror and the display module
Between, for receiving the laser beam of the reflecting mirror reflection, the laser beam is made to be converted to the laser of uniform parallel
Light beam is simultaneously emitted.
Optionally, the liquid crystal display device further include: divergent lens is set to the Fresnel Lenses and the display mould
Between group, for receiving the laser beam of the Fresnel Lenses outgoing, the laser beam is dissipated and exported.
Optionally, the divergent lens is diffusion sheet or fly's-eye lens.
In order to solve the above technical problems, another technical solution that the utility model embodiment uses is: providing a kind of lift
Head display system, including above-mentioned liquid crystal display device.
Optionally, further includes: turnover eyeglass and concave mirror, the turnover eyeglass is for receiving the liquid crystal display dress
The image display beams for the display module transmitting set, and change the direction of described image display beams；The concave mirror is used
In the described image display beams of the reception turnover lens reflecting, and amplifies described image display beams and export.
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 liquid crystal display device and head-up-display system, laser beam is emitted to reflecting mirror, controller control by laser light source
Driving device drives reflecting mirror rotation, to provide backlight for display module, reduce the quantity of light source and avoid display module
It irradiates for a long time, the technical issues of liquid crystal display device is easy fever is solved, in addition, the laser that laser light source is exported, laser
The brightness of light beam is better than the light that LED light source is exported, and enhances the brightness of image of liquid crystal display device.
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 a kind of structural schematic diagram of the utility model liquid crystal display device that wherein an embodiment provides；
Fig. 2 is the functional block diagram of the liquid crystal display device in Fig. 1；
Fig. 3 is the structural schematic diagram of the controller of the liquid crystal display device in Fig. 1；
Fig. 4 is another structural schematic diagram of the liquid crystal display device in Fig. 1；
Fig. 5 is a kind of structural schematic diagram for liquid crystal display device that another embodiment of the utility model provides；
Fig. 6 is a kind of structural schematic diagram for liquid crystal display device that another embodiment of the utility model provides；
Fig. 7 is the functional block diagram of the liquid crystal display device in Fig. 6；
Fig. 8 is the structural schematic diagram of the translation unit of the liquid crystal display device in Fig. 6；
Fig. 9 is a kind of structural schematic diagram of head-up-display system provided by the embodiment of the utility model.
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.
Liquid crystal display die set in the utility model embodiment can provide light source by single source for display module,
It avoids LED light source array from delivering directly, solves the problems, such as display module irradiation for a long time and generate heat, and by using laser light
Source enhances brightness of image.
Liquid crystal display die set in the utility model embodiment can be applied to the head-up-display system in the present embodiment,
To improve the heat dissipation problem of head-up-display system, and enhance brightness of image.
Specifically, liquid crystal display die set and head-up-display system will be illustrated by embodiment below.
Embodiment one
Referring to Fig. 1, being a kind of structural schematic diagram of the utility model liquid crystal display device that wherein an embodiment provides.
As shown in Figure 1, liquid crystal display device 100 includes laser light source 10, reflecting mirror 20, driving device 30, controller 40 and display mould
Group 50.
Driving device 30 is connect with reflecting mirror 20, and controller 40 is connect with driving device 30, and reflecting mirror 20 is set to laser light
Between source 10 and display module 50.Laser light source 10 is for emitting laser beam, and reflecting mirror 20 is for receiving and to display module
50 reflection laser light beams, controller 40 drives reflecting mirror 20 to move for controlling driving device 30, so that reflecting mirror 20 is reflected
Laser beam covering display module 50 the entire back side, with to display module 50 provide backlight.
Specifically, laser light source 10 may include red laser light source, green laser light source, blue laser light source.Pass through
Using tricolor laser, laser light source 10 most can truly reproduce that objective world is abundant, gorgeous color, provide and more shake
Expressive force.Such as: red, green is obtained by laser diode-pumped all solid state laser and frequency doubling technology, blue swashs
Radiant.
Reflecting mirror 20 is a kind of optical element to be worked using reflection law.Reflecting mirror 20 can be plane mirror, ball
Face reflecting mirror and non-spherical reflector can be selected according to actual needs.In the present embodiment, reflecting mirror 20 and driving fill
30 connections are set, and are moved under the driving of driving device 30.
In some embodiments, driving device 30 includes first axis driving unit (not shown) and the second axially driving list
First (not shown).Wherein, first axis driving unit and the second axially driving unit can be motor, such as piezo-electric motor.
First axis driving unit, the second axially driving unit are connect with reflecting mirror 20, also, first axis driving unit, the second axis
It is connect respectively with controller 40 to driving unit.First axis driving unit is for driving reflecting mirror 20 with respect to 50 turns of display module
It is dynamic, so that the incidence point for the laser beam incidence display module 50 that reflecting mirror 20 is reflected is the first of the back side of display module 50
It is moved on direction.Second axially driving unit is for driving reflecting mirror 20 to rotate relative to display module 50, so that 20 institute of reflecting mirror
Second party of the incidence point of the laser beam incidence display module 50 of reflection at the back side of display module 50 moves up.Wherein,
First direction can be the horizontal direction of display module 50, and second direction can be the vertical direction of display module 50.By setting
First axis driving unit and the second axially driving unit are set, laser beam is enabled to be reflected into display mould by reflecting mirror 20
Group 50, and progressively scanned in display module 50, it avoids delivering directly mode using LED light source array, to solve display
The problem of mould group is irradiated for a long time and is generated heat.
Wherein, the scan frequency of reflecting mirror 20 is more than or equal to 30HZ, the i.e. fortune of the driving of driving device 30 reflecting mirror 20
Dynamic frequency is more than or equal to 30HZ, to eliminate the splashette effect of backlight.
In some other embodiments, reflecting mirror 20 and driving device 30 can be replaced with two dimension MEMS scanning mirror.Two dimension
MEMS scanning mirror is tilted by motor driven mirror surface, to realize the device of deflection control to light beam.It is normal with scanning galvanometer etc.
The optical beam scanner part seen is compared, and two-dimentional MEMS scanning mirror is with small in size, light-weight, low in energy consumption, effect on environment is insensitive
The features such as, and two dimension MEMS scanning mirror can realize higher positioning accuracy with the integrated use of position sensor.Also, two dimension
MEMS scanning mirror is controlled by analog voltage can be achieved any angle deflection, the scanning of point-to-point light beam, driving voltage and scan angle
Degree corresponds；Two-dimentional MEMS scanning mirror is by carrying out module design, to facilitate the various various sizes of mirror surfaces of selection, with root
It realizes and optimizes according to different application；Two-dimentional MEMS scanning mirror can realize that high speed, dynamic, wide-angle are swept in the x direction and the y direction simultaneously
It retouches, scanning angle can achieve -160 ° to+160 °.
It is electrically connected referring to Figure 2 together with Fig. 3, controller 40 with driving device 30, controller 40 is for controlling driving dress
The movement of 30 driving reflecting mirrors 20 is set, so that the entire back side for the laser beam covering display module 50 that reflecting mirror 20 is reflected, with
Backlight is provided to display module 50.Wherein, the entire back side of laser beam covering display module 50 refers to: reflecting mirror 20 to swash
Light light beam is progressively scanned in display module 50, and the range of laser beam scanning just covers the back of entire display module 50
Plate entire area.
Wherein, controller 40 includes at least one processor 41 and memory 42.Processor 41 is with certain logic
The processor of operational capability, such as perhaps the processor 41 such as CPU can also have one or more for single-chip microcontroller, microprocessor
A processing core.Processor 41 is connect with driving device 30 and memory 42 respectively.Wherein, memory 42 can be built in processing
, can also be external outside processor 41 in device 41, memory 42 can also be remotely located memory, pass through network connection
Processor 41 (illustrates so that memory 42 is placed outside processor 41 as an example) in Fig. 3.Processor 41 and memory 42 can be by total
Line or other modes connect, in Fig. 3 for being connected by bus.Wherein, memory is as a kind of non-volatile computer
Readable storage medium storing program for executing can be used for storing non-volatile software program, non-volatile computer executable program and module.Processing
Device 41 is stored in non-volatile software program, instruction and the module of memory 42 by operation, to control driving device 30.
Display module 50 is liquid crystal display, and display module 50, which passes through, receives the laser beam that reflecting mirror 20 reflects, thus
Show image.In the present embodiment, the laser beam that reflecting mirror 20 reflects is progressively scanned in display module 50, so that aobvious
The single-point luminous intensity for showing 50 backlight of mould group is the luminous intensity of laser beam single fraction irradiation display module 50, so as to avoid LED light
Source array irradiates for a long time, can be obtained the image of enough brightness using the laser light source of lower-wattage.
In some other embodiments, referring to Figure 4 together, liquid crystal display device 100 further include: 51 He of Fresnel Lenses
Divergent lens 52.
Wherein, Fresnel Lenses 51 can be formed by polyolefine material or glass material injection pressure, can be adjusted to light
Directional light or optically focused, and eliminate Part-spherical aberration.Fresnel Lenses 51 is set between reflecting mirror 20 and display module, specifically
Ground, Fresnel Lenses 51 are set between reflecting mirror 20 and divergent lens 52, also, the focus of Fresnel Lenses 51 and reflecting mirror 20
Center in the same horizontal line so that the laser beam that reflecting mirror 20 reflects is by that can hang down after Fresnel Lenses 51
Straight outgoing.Fresnel Lenses 51 is used to receive the laser beam of the reflection of reflecting mirror 20, and laser beam is made to be converted to uniform parallel
Laser beam is simultaneously emitted.Certainly, Fresnel Lenses 51 can be replaced with non-spherical lens, the laser light that reflecting mirror 20 is reflected
Beam is converted to parallel laser beam, so that the laser beam vertically reaches next optical element (such as divergent lens 52
Or display module 50).
Wherein, divergent lens 52 can be diffusion sheet or fly's-eye lens, wherein diffusion sheet is the optics that light can be made to dissipate
Element, such as frosted glass；Fly's-eye lens is to combine the optical element formed by a series of lenslets, by double fly eye lens array
The Uniform Illumination of the high efficiency of light energy utilization and large area can be obtained applied to lighting system.It is saturating that divergent lens 52 is set to Fresnel
Between mirror 51 and display module 50, divergent lens 52 is used to receive the laser beam of the outgoing of Fresnel Lenses 50, to laser beam
It is dissipated and is exported to display module 50.Wherein, diffusion angle and display module 50 of the divergent lens 52 to laser beam
Light-emitting angle matches, such as: when liquid crystal display device 100 is applied to head-up-display system, head-up-display system requires aobvious
The vertical direction visual angle of diagram picture is 20 °, horizontal direction visual angle is 36 °, then the light-emitting angle vertical direction view of display module 50
Angle is 20 °, horizontal direction visual angle is 36 °, thus divergent lens 52 to after the diffusion of laser beam it is required that display module 50
Light-emitting angle vertical direction visual angle be 20 °, horizontal direction visual angle is 36 °.
In the present embodiment, liquid crystal display device 100 emits laser beam to reflecting mirror 20, control by laser light source 10
Device 40 controls driving device 30 and reflecting mirror 20 is driven to rotate, to provide backlight for display module 50, reduces the quantity of light source simultaneously
And display module is avoided to irradiate for a long time, the technical issues of liquid crystal display device is easy fever is solved, in addition, laser light source institute is defeated
Laser out, the brightness of laser beam are better than the light that LED light source is exported, enhance the brightness of image of liquid crystal display device.
Embodiment two
Referring to Fig. 5, a kind of structural schematic diagram of the liquid crystal display device provided for another embodiment of the utility model.Such as
Shown in Fig. 5, liquid crystal display device 100 includes laser light source 10, beam coupler 11, optical fiber 12, optical fiber collimator 13, reflecting mirror
20, driving device 30, controller 40 and display module 50.
Wherein, in laser light source 10, reflecting mirror 20, driving device 30, controller 40 and display module 50 and embodiment one
Structure it is identical, details are not described herein again.
Beam coupler 11, optical fiber 12, optical fiber collimator 13 are set between laser light source 10 and reflecting mirror 20.Specifically,
Beam coupler 11 can carry out light combination or light splitting to laser beam.In the present embodiment, beam coupler 11 and laser light source
10 connections, specifically can be set on the optic fibre input end face of laser light source 10, and beam coupler 11 is used for laser light source 10
The laser beam of transmitting synthesizes laser beam all the way, to realize laser high power, efficient output.
Optical fiber 12 can be single mode optical fiber or multimode fibre, and optical fiber 12 is connect with beam coupler 11, and optical fiber 12 is for connecing
The laser beam that beam coupler 11 synthesizes is received, and transmits the laser beam.By the way that optical fiber 12 is arranged, laser beam can be changed
The direction of propagation so that the structure of liquid crystal display device 100 is more compact.
Optical fiber collimator 13 can change the dispersion angle of laser beam, so that laser beam is to enter other compared with low-loss
Optical element.In the present embodiment, optical fiber collimator 13 is connect with optical fiber 12, and optical fiber collimator 13 is for reception optical fiber transmission
Laser beam is collimated and is exported to reflecting mirror 20 by laser beam.
It is understood that in further embodiments, the sequence of beam coupler 11, optical fiber 12 and optical fiber collimator 13
It can change.For example, optical fiber collimator 13 is connect with laser light source 10, optical fiber collimator 13 is connect with optical fiber 12, optical fiber 12 with
Beam coupler 11 connects.
In the present embodiment, by setting beam coupler 11, optical fiber 12 and optical fiber collimator 13, laser light source 10 emits
Laser beam coupled by beam coupler 11, conducted subsequently into optical fiber 12, enter back into optical fiber collimator 13
It is exported after being collimated, so that laser beam power and efficiency are improved, to enhance brightness of image.
Embodiment three
Referring to Fig. 6, a kind of structural schematic diagram of the liquid crystal display device provided for another embodiment of the utility model.Such as
Shown in Fig. 6, liquid crystal display device 100 includes laser light source 10, reflecting mirror 20, driving device 60, controller 40 and display module
50。
Wherein, laser light source 10, reflecting mirror 20, controller 40 and display module 50 are identical as the structure in embodiment one,
Details are not described herein again.
Referring to Figure 7 together, driving device 60 includes rotating unit 61 and translation unit 62.Rotating unit 61 and reflecting mirror
20 connections, translation unit 62 connect with laser light source 10, reflecting mirror 20 respectively, rotating unit 61 and translation unit 62 with control
Device 40 connects.Rotating unit 61 is for driving reflecting mirror 20 to rotate relative to display module 50, so that reflecting mirror 20 was reflected
First party of the incidence point of laser beam incidence display module 50 at the back side of display module 50 moves up.Translation unit 62 is used
It is moved in parallel in driving reflecting mirror 20 and laser light source 10 both with respect to display module 50, so that the laser that reflecting mirror 20 is reflected
Second party of the incidence point of light beam incidence display module 50 at the back side of display module 50 moves up.Wherein, first direction can
Think that the horizontal direction of display module 50, second direction can be the vertical direction of display module 50.By the way that rotating unit is arranged
61 and translation unit 62, enable laser beam to be reflected into display module 50 by reflecting mirror 20, and in display module 50
It is progressively scanned, avoids delivering directly mode using LED light source array, irradiated and generate heat for a long time to solve display module
Problem.
Wherein, also referring to Fig. 8, translation unit 62 includes the first plate portion 621, the second plate portion 622, connecting rod 623, slides
Row part 624 and actuator 625.First plate portion 621 and the second plate portion 622 are for being fixed on other elements, so that the first plate portion
621 and second plate portion 622 and display module 50 it is opposing stationary.First plate portion 621 offers the first slide slot 6210, the second plate portion
622 offer the second slide slot 6220, and there are two the quantity for sliding part 624, and one is slided part 624 across the one of connecting rod 623
End, the first slide slot 6210 are connect with laser light source 10, and another part 624 that slides passes through the other end of connecting rod 623, second slides
Slot 6220 is connect with reflecting mirror 20, so that two are slided part 624 respectively on the first slide slot 6210 and the second slide slot 6220
When sliding, drive laser light source 10 and reflecting mirror 20 mobile simultaneously.Actuator 625 can be hydraulic cylinder, actuator 625 and company
Extension bar 623 is fixedly connected, and is specifically as follows actuator 625 and is connect with the middle part of connecting rod 623, and actuator 625 is gone back and controller
40 connections, when controller 40 drives translation unit 62 to move, 625 drive connection bar 623 of actuator is mobile, thus sliding part
624 slide on the first slide slot 6210 and the second slide slot 6220 respectively, to drive laser light source 10 and reflecting mirror 20 same
Shi Yidong.
In some other embodiments, when the area of display module 50 is less than or equal to the area of reflecting mirror 20, put down
Moving unit 62 can only connect with laser light source 10, for driving laser light source to move in parallel relative to display module 50, so that
The incidence point for the laser beam incidence display module 50 that reflecting mirror 20 is reflected is in the second direction at the back side of display module 50
It is mobile.
In the present embodiment, liquid crystal display device 100 emits laser beam to reflecting mirror 20, control by laser light source 10
Device 40 controls driving device 30 and drives the rotation of reflecting mirror 20 and move in parallel, to provide backlight for display module 50, reduces light
The quantity in source and avoid display module for a long time irradiate, solve liquid crystal display device be easy fever the technical issues of, in addition, swash
The laser that radiant is exported, the brightness of laser beam are better than the light that LED light source is exported, enhance the figure of liquid crystal display device
Image brightness.
Example IV
Referring to Fig. 9, being a kind of structural schematic diagram of head-up-display system provided by the embodiment of the utility model.Such as Fig. 9
Shown, which includes appointing in turnover eyeglass 210, concave mirror 220 and above-described embodiment one, two, three
It anticipates a liquid crystal display device 100.In the present embodiment, it is illustrated by taking the liquid crystal display device 100 in embodiment one as an example.
Wherein, turnover eyeglass 210 can be plane mirror, and plane mirror can change the direction of optical axis, will be longer
Optical path compression in a smaller space.Eyeglass 210 of transferring is set to the side of the display module 50 of liquid crystal display device 100, turns
Fold mirror piece 210 is used to receive the image display beams of the transmitting of display module 50, and changes the direction of the image display beams.
Wherein, concave mirror 220 is set to the side of turnover eyeglass 210, and concave mirror 220 is for receiving turnover eyeglass
The image display beams of 210 reflections, and amplify the image display beams and export.
In the present embodiment, when the image display beams that concave mirror 220 exports project display carrier, human eye can
Image is observed from display carrier.Wherein, display carrier can be metope, ground, glass etc..Work as head-up-display system
200 be applied to vehicle on when, display carrier be windshield, windshield for receive concave mirror 220 amplification after export
Image display beams, and the image display beams are reflexed into human eye, so that driver is it can be seen that head-up-display system 200
The image of generation.
In some embodiments, the angular field of view of head-up-display system 200 and human eye diopter are adapted.Wherein, human eye regards
Degree refers to the degree of human eye visible angle, and human eye vision is sensitizing range within 10 degree, and 10~20 degree can correctly identify
Information, 20~30 degree more sensitive to dynamic thing, then the angular field of view of head-up-display system 200 at least needs to cover human eye view
10 degree or more of degree, so that user can see the picture material shown on windshield.
In this embodiment, head-up-display system 200 passes through setting turnover eyeglass 210, concave mirror 220 and liquid crystal display
Device 100 can obtain display image of high brightness, reduce the quantity of light source and display module is avoided to irradiate for a long time, solution
Certainly liquid crystal display device is easy the technical issues of fever, and then solves the heat dissipation problem in automobile middle control space.
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 liquid crystal display device characterized by comprising laser light source, reflecting mirror, driving device, controller and display
Mould group；
The driving device is connect with the reflecting mirror, and the controller is connect with the driving device, and the reflecting mirror is set to
Between the laser light source and the display module；
The laser light source is for emitting laser beam, and the reflecting mirror is for receiving and swashing to display module reflection is described
Light light beam, the controller drives the reflecting mirror movement for controlling the driving device, so that the reflecting mirror is reflected
Laser beam cover the entire back side of the display module, to provide backlight to the display module.
2. liquid crystal display device according to claim 1, which is characterized in that the liquid crystal display device further include:
Beam coupler is connect with the laser light source, the laser beam synthesis one for emitting the laser light source
Road laser beam；
Optical fiber is connect with the beam coupler, for receiving the laser beam of the beam coupler synthesis, and is transmitted
The laser beam；
Optical fiber collimator is connect with the optical fiber, for receiving the laser beam of the optical fiber transmission, by the laser light
Beam is collimated and is exported to the reflecting mirror.
3. liquid crystal display device according to claim 1, which is characterized in that the driving device includes: that first axis is driven
Moving cell and the second axially driving unit；
The first axis driving unit, the second axially driving unit are connect with the reflecting mirror respectively, the first axle
It is connect respectively with the controller to driving unit, the second axially driving unit；
The first axis driving unit is for driving the reflecting mirror to rotate relative to the display module, so that the reflecting mirror
The first party at the back side of the incidence point of the incident display module of the laser beam reflected in the display module moves up；
The second axially driving unit is for driving the reflecting mirror to rotate relative to the display module, so that the reflecting mirror
The second party at the back side of the incidence point of the incident display module of the laser beam reflected in the display module moves up.
4. liquid crystal display device according to claim 3, which is characterized in that the scan frequency of the reflecting mirror be greater than or
Equal to 30HZ.
5. liquid crystal display device according to claim 1, which is characterized in that
The driving device includes rotating unit and translation unit, the rotating unit and the translation unit with the control
Device connection；
The rotating unit is for driving the reflecting mirror to rotate relative to the display module, so that the reflecting mirror is reflected
The first party at the back side of the incidence point in the display module of the incident display module of laser beam move up；
The translation unit is used to that the reflecting mirror and the laser light source to be driven to move in parallel both with respect to the display module,
So that the incidence point for the incident display module of laser beam that the reflecting mirror is reflected is at the back side of the display module
Second party moves up.
6. liquid crystal display device according to claim 1, which is characterized in that the liquid crystal display device further include:
Fresnel Lenses is set between the reflecting mirror and the display module, for receiving described in the reflecting mirror reflection
Laser beam makes the laser beam be converted to laser beam and the outgoing of uniform parallel.
7. liquid crystal display device according to claim 6, which is characterized in that the liquid crystal display device further include:
Divergent lens is set between the Fresnel Lenses and the display module, for receiving the Fresnel Lenses outgoing
Laser beam, the laser beam is dissipated and is exported.
8. liquid crystal display device according to claim 7, which is characterized in that the divergent lens is that diffusion sheet or compound eye are saturating
Mirror.
9. a kind of head-up-display system, which is characterized in that including the described in any item liquid crystal display devices of claim 1-8.
10. head-up-display system according to claim 9, which is characterized in that the head-up-display system further include: turnover
Eyeglass and concave mirror,
The turnover eyeglass is used to receive the image display beams of the display module transmitting of the liquid crystal display device, and changes institute
State the direction of image display beams；
The concave mirror is used to receive the described image display beams of the turnover lens reflecting, and it is aobvious to amplify described image
Show light beam and exports.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531551A (en) * | 2018-05-25 | 2019-12-03 | 深圳疆程技术有限公司 | A kind of liquid crystal display device and head-up-display system |
| CN111781773A (en) * | 2019-04-04 | 2020-10-16 | 上海微电子装备（集团）股份有限公司 | Photo-alignment apparatus and photo-alignment method |
| CN113793826A (en) * | 2021-11-16 | 2021-12-14 | 西安奕斯伟材料科技有限公司 | Silicon wafer orientation alignment device and silicon wafer defect detection equipment |
-
2018
- 2018-05-25 CN CN201820797908.3U patent/CN208255595U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531551A (en) * | 2018-05-25 | 2019-12-03 | 深圳疆程技术有限公司 | A kind of liquid crystal display device and head-up-display system |
| CN111781773A (en) * | 2019-04-04 | 2020-10-16 | 上海微电子装备（集团）股份有限公司 | Photo-alignment apparatus and photo-alignment method |
| CN113793826A (en) * | 2021-11-16 | 2021-12-14 | 西安奕斯伟材料科技有限公司 | Silicon wafer orientation alignment device and silicon wafer defect detection equipment |
| CN113793826B (en) * | 2021-11-16 | 2022-03-08 | 西安奕斯伟材料科技有限公司 | Silicon wafer orientation alignment device and silicon wafer defect detection equipment |
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