CN209581151U - Automobile and its liquid crystal display device - Google Patents

Abstract

The application embodiment provides a kind of automobile and its liquid crystal display device, and liquid crystal display device includes: transparent liquid crystal panel and backlight mould group plate, is arranged in angle, wherein the back side of the light-emitting surface and transparent liquid crystal panel of backlight mould group plate is opposite；And backlight, the reflecting surface of backlight is towards the back side of transparent liquid crystal panel.The liquid crystal display device of the application has imaging effect good, and low to cooling requirements, the high beneficial effect of clarity, color rendition degree is more suitable for the demand of vehicle-mounted media delivery device.

Description

Automobile and its liquid crystal display device

Technical field

The utility model relates to vehicle-mounted media technical field, in particular to a kind of automobile and its liquid crystal display device.

Background technique

Automobile has become the important vehicles of carrying people's trip requirements, is ideal since radix is very big Multimedia placement carrier.

It has had already appeared and has been arranged on automobile in the market current, launched in media with outside the vehicle rear window for automobile The vehicle-mounted media delivery device of appearance.These vehicle-mounted media delivery devices can be on the rear car glass pane of automobile or neighbouring position Imaging to provide the various information such as news, advertisement for the outer personnel of vehicle, or even is also possible to form interaction with personnel outside vehicle, meet Video display, game and entertainment requirements.

But the vehicle-mounted media of the prior art throws device, some factors of automobile itself is limited to, often using vehicle Projector is carried, is imaged on the vehicle rear window of automobile by the mode of projection.And vehicle-mounted projector has the drawback that

Since the power of projector is big, calorific value is very big, needs to radiate, and is easy to generate noise because of the work of radiator fan. The imaging effect of projector is limited to the light intensity of environment light, and when ambient light is preferable in the daytime, imaging effect is very poor, it is difficult to It sees.The clarity of projector, color contrast, color saturation are usually low compared to other imaging devices.

Therefore, the vehicle-mounted projector of the prior art is difficult to meet the needs of vehicle-mounted media delivery device.

Utility model content

Then, in the embodiment of the application, a kind of liquid crystal display device is provided, comprising:

Transparent liquid crystal panel and backlight mould group plate, in angle be arranged, wherein the light-emitting surface of backlight mould group plate with it is transparent The back side of liquid crystal display panel is opposite；And

Backlight is matched with transparent liquid crystal panel and backlight mould group plate to enclose transparent liquid crystal panel and backlight mould Angle space between group plate.

A kind of automobile is additionally provided in the another embodiment of the application, including above-mentioned liquid crystal display device, wherein The liquid crystal display device is set in the vehicle rear window of automobile, and the display surface of transparent liquid crystal panel is arranged towards vehicle rear window.

In this application, it realizes that vehicle-mounted media launches the display of content by transparent liquid crystal panel, there is fine definition With better color rendition effect.In addition, the application is by backlight mould group plate, it is transparent with being reflected into for reflecting element by itself Liquid crystal display panel polishing ensure that display brightness, therefore also can still clearly illustrate when daytime, light intensity was big.Cause This in terms of existing technologies, media information can be carried out dynamic hair by the liquid crystal display device of the application in vehicle-mounted scene Cloth, and brightness is higher, is more suitable for the demand of vehicle-mounted media dispensing.

Optionally, backlight is reflecting element or reflective backlight.

Optionally, the reflecting surface of the reflecting element can be disposed towards the back side of transparent liquid crystal panel.

Optionally, backlight may be active light source formula backlight, be provided with the active light sources such as luminous lamp strip, knot Structure is similar to backlight mould group plate.

Optionally, backlight can also have both active light source and reflection source, also as above-mentioned reflecting element and backlight mould The combination of group plate.

Optionally, backlight can also be only one piece of light barrier, barn door, avoid light leakage.

Furthermore, it is understood that optionally, transparent liquid crystal panel, backlight mould group plate and reflecting element formed after enclosing it is prismatic, Such as triangular prism shape.

Reflecting element reduces the space hold of liquid crystal display device after enclosing.And it is formed by the shapes such as triangular prism, quadrangular It is particularly suitable for mounting at the position of automotive rear windshields.

Therefore optionally, liquid crystal display device is mounted on automobile；

Wherein, transparent liquid crystal panel is set in the vehicle rear window of automobile, and display surface is towards vehicle rear window.

Optionally, the light for being provided with several lamp bars on the light-emitting surface of backlight mould group plate and being covered in these lamp bars Diffuser plate.

Light diffuser plate is cooperated to illuminate using a plurality of lamp bar, compared to directlying adopt point light source or based on the expansion of point light source It shines for astigmatism source more uniform, soft, so that the display effect of liquid crystal display panel is more preferable, and compared to directlying adopt area source For, illumination effect close under the premise of be capable of providing similar display effect.

Furthermore, it is understood that optionally, each lamp bar self-induced transparency liquid crystal display panel is arranged to reflecting element interval.

Spaced each lamp bar is capable of providing uniform illuminating effect.

Further optionally: liquid crystal display device further includes switching mechanism, is coupled in reflecting element, is being hidden with controlling reflecting element Switch between light or light transmission state.

When reflecting element being switched to shading status using switching mechanism, it is capable of providing better reflecting effect.By reflecting element When being switched to light transmission state, then make liquid crystal display device that observer not stopped to throw the sight of coming from reflecting element direction.

Optionally, reflecting element is the PDLC panel made of polymer dispersed liquid crystals or polymer network liquid crystal, switching machine Structure switches electrode, and switching electrode and PDLC panel are electrically coupled to switch PDLC panel as shading/light transmission state.

Using PDLC panel can freely toggle reflections part shading/light transmission state, and switch rapidly, the service life is long.

Alternatively, optionally, reflecting element is mechanical component, the switching mechanism further includes motor and transmission component, and motor can Change the orientation of mechanical component by transmission component so that the light for passing through transparent liquid crystal panel directive mechanical component is blocked Or pass through.

Using mechanical component come toggle reflections part state when, for PDLC panel, due under same cost The reflectivity of mechanical component can be higher, therefore has better reflecting effect.

Wherein, optionally, mechanical component includes the blade that several length or width directions along reflecting element arrange；

Transmission component includes:

Traction component is connected to motor, and motor can drive each blade to overturn by traction component.

By the overturning of blade, can be switched fast under shading/light transmission state.

Alternatively, optionally, mechanical component is cord,

Transmission component includes:

Drag rope, drag rope one end connect the lower part of cord, and the other end is connected to motor, and motor can pass through traction rope Strap moves cord and rises and decline.

It is unobstructed under light transmission state after switching by cord come when switching, the better visual field can be provided for observer.

Optionally, in addition: the side of reflecting element towards transparent liquid crystal panel is coated with diffusing reflection coating.

The diffusing reflection figure layer being coated with can be improved the diffusing reflection rate of reflecting element, make liquid crystal display device in backlight mould group Plate has higher display brightness under the premise of being in same output power.

Further optionally, further includes:

The side backwards to angle of reflecting element is arranged in liquid crystal display；

Camera module, towards outside the vehicle rear window of automobile, camera module and liquid crystal display are communicated to connect.

Set liquid crystal display can be used for providing the view of transparent liquid crystal panel side positioned at the personnel of reflecting element side Open country can be improved convenience.

Optionally, automobile further includes gear control device；

Liquid crystal display device and gear control device communicate to connect, so as to by the shift control of automobile automatically The display state of switching liquid crystal display unit.

Detailed description of the invention

It, below will be to embodiment in order to illustrate more clearly of the application embodiment or technical solution in the prior art Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the application, for those of ordinary skill in the art, without creative efforts, also The association structure not occurred in other attached drawings can be derived according to these attached drawings.

Fig. 1 be the application first embodiment provide liquid crystal display device from the angle of transparent liquid crystal panel when Schematic perspective view；

Fig. 2 be the application first embodiment provide liquid crystal display device from the angle of transparent liquid crystal panel when Internal structure stereoscopic schematic diagram；

Fig. 3 is the side elevational cross-section signal when liquid crystal display device that the application first embodiment provides is mounted on automobile Figure；

Fig. 4 is the liquid crystal display device of the application first embodiment offer from the angle of reflecting element, and is equipped with Structural upright schematic diagram when liquid crystal display and camera module；

Fig. 5 is the structural schematic diagram of the reflecting element for the liquid crystal display device that the application third embodiment provides；

Fig. 6 is the structural schematic diagram of the reflecting element for the liquid crystal display device that the 4th embodiment of the application provides；

Fig. 7 is the gear control device communication link on liquid crystal display device and automobile that the 5th embodiment of the application provides The schematic diagram connect.

Description of symbols:

1- transparent liquid crystal panel；

2- reflecting element；21- blade；22- torsion shaft；The first idler wheel of 23-；The second idler wheel of 24-；The left draw bar of 25-；26- is right Draw bar；27- belt；28- bracket；29- cord；20- drag rope；

3- backlight mould group plate；31- lamp bar；32- light diffuser plate；4- vehicle rear window；5- motor；51- motor shaft；6- liquid crystal Screen；7- camera module；8- gear control device.

Specific embodiment

Embodiment one

In the first embodiment of the application, a kind of liquid crystal display device is provided, referring to shown in Fig. 1 to Fig. 3, comprising:

Transparent liquid crystal panel 1 and backlight mould group plate 3, in angle be arranged, wherein the light-emitting surface of backlight mould group plate 3 with The back side of transparent liquid crystal panel 1 is opposite；And

Backlight 2 is matched with transparent liquid crystal panel and backlight mould group plate to enclose transparent liquid crystal panel and backlight Angle space between mould group plate.

Optionally, backlight can be reflective backlight or reflecting element, can be to from backlight mould group plate 3 one A little light are reflected.

In some embodiments, the reflecting surface of the reflecting element 2 may be also configured to essentially toward transparent liquid crystal panel 1 The back side, so that the orientation where the light directive transparent liquid crystal panel 1 more reflected by reflecting element 2.

In the prior art, there are some for showing the transparent liquid crystal display device of commodity.It typically is a cabinet body, Commodity to be presented are placed in cabinet body.In this kind of transparent liquid crystal display device of the prior art, in order to highlight commodity, often It is also equipped with backlight.But their backlight is commonly used in being commodity polishing, therefore backlight is often arranged in cabinet body Interior corner or edge, the irradiation target of light source are commodity to be presented and not liquid crystal display panel, this leads to transparent liquid crystal panel 1 The light of itself be it is not sufficient enough and not uniform enough, thus the display effect for the information that transparent liquid crystal panel 1 itself is loaded It is not good enough.

In this application, liquid crystal display device is only used for the prominent display content for showing transparent liquid crystal panel 1, therefore backlight Lamp mould group is arranged with plate-like form, so that the light of transparent liquid crystal panel 1 is more sufficient, uniform, display effect is more preferable.

In addition, it may be not provided with backlight mould group plate in bottom in the cabinet body of the prior art, and only from above for wait open up The commodity polishing shown, alternatively, cabinet body bottom may be essentially perpendicularly arranged in transparent liquid crystal panel 1 in backlight mould group plate 3 Portion, thus be commodity polishing to be presented, rather than for transparent liquid crystal panel 1 provides light source and in some embodiments of the application In, backlight mould group plate 3 and transparent liquid crystal panel 1 can be at angle setting and the light-emitting surfaces and transparent liquid of backlight mould group plate 3 The back side of crystal panel 1 is oppositely arranged, that is to say, that the two angle is essentially acute angle, consequently facilitating backlight mould group plate 3 is transparent 1 polishing of liquid crystal display panel.

Since used angle is acute angle, light a part that backlight mould group plate 3 is issued is directly through transparent Liquid crystal display panel 1, another part pass through transparent liquid crystal panel 1 after then passing through 2 diffusing reflection of reflecting element, take full advantage of light source with this Shine and improve the display brightness of transparent liquid crystal panel 1.

Liquid crystal display device provided herein can be individually used in the numerous areas such as environment is shown, media are launched. But in contrast, the liquid crystal display device of the application is more suitable for applying in the media dispensing field of automobile.

Therefore, optionally, shown in Figure 3, liquid crystal display device is mounted on automobile；

Wherein, transparent liquid crystal panel 1 is set in the vehicle rear window 4 of automobile, and display surface is towards vehicle rear window 4.

When in the vehicle rear window 4 that automobile is arranged in, angle formed by transparent liquid crystal panel 1 and backlight mould group plate 3 can be with It is arranged to close with the angle of vehicle rear window 4 and horizontal plane, at this point it is possible to which transparent liquid crystal panel 1 is mounted on 4 side of vehicle rear window simultaneously So that transparent liquid crystal panel 1 is abutted or even is fitted on vehicle rear window 4 substantially, space can be thus saved well, improved Display effect outside to vehicle.

In presently filed embodiment, the back side and backlight mould group plate 3 of the reflecting element 2 against transparent liquid crystal panel 1 Light-emitting surface.It can be not connected between three, and present invention purpose can be realized substantially by only showing this positional relationship. But it is shown in Figure 3, reflecting element 2 and transparent liquid crystal panel 1 and backlight mould group plate 3 can mate with each other saturating to enclose Angle space between bright liquid crystal display panel 1 and backlight mould group plate 3.

When reflecting element, transparent liquid crystal panel and backlight mould group plate three, which enclose, to be arranged, it is formed by integrated structure It is unobstructed with optical path, the advantages such as light utilization efficiency height.

It should be noted that in some embodiments of the invention, reflecting element, transparent liquid crystal panel and backlight mould group plate It is arranged between three's enclosing or transparent liquid crystal panel and backlight mould group plate in angle, and reflecting element encloses angle therebetween Space, this, which does not mean that, forms direct engagement or the connection of leakproofness between both therein or three.For example, In three appoint may engage or connect by other plate objects or other component between the two with is formed enclose construct and it is interior The space in portion, these deformation schemes belong to spirit of the invention and within the scope of.In some embodiments, appoint in three Between the two can be with, such as pass through marginal portion, directly engage；It can also be there are a certain distance, as long as backlight mould group plate 3 Shine partly can make 1 imaging of transparent liquid crystal panel by directive transparent liquid crystal panel 1.And if reflecting element 2 can be again By at least part of light that backlight mould group plate 3 issues, fundamental reflection to transparent liquid crystal panel 1 then may be used in the form of diffusing reflection etc. The utilization rate for further promoting light, so that the brightness of 1 imaging of transparent liquid crystal panel is higher.

And more specifically, transparent liquid crystal panel 1, backlight mould group plate 3 and reflecting element 2 can form prism after enclosing Shape structure, such as triangular prism shaped structure.And if transparent liquid crystal panel 1, backlight mould group plate 3 and reflecting element 2 are both any Between be to be engaged by other plate objects or the component of other shapes, then can form quadrangular, pentagonal prism or six ribs on the whole The structures such as column, and the internal enclosed space that can also form correspondingly-shaped.

Be formed by triangular prism shaped structure can with 4 glass of vehicle rear window --- the physical fit of clothing plate of automobile, therefore It is particularly suitable for mounting at the position of automotive rear windshields.

Optionally, in this application, it is provided with several lamp bars 31 on the light-emitting surface of backlight mould group plate 3 and is covered on Light diffuser plate 32 in these lamp bars 31.

Cooperate light diffuser plate 32 to illuminate using a plurality of lamp bar 31, shines more for point light source compared to directlying adopt Soft, uniform, display effect is more preferable, and compared to area source is directlyed adopt for, illumination effect close under the premise of can Similar display effect is provided, cost is but greatly reduced.

Furthermore, it is understood that optionally, each 31 self-induced transparency liquid crystal display panel 1 of lamp bar is spaced to reflecting element 2 to be arranged.

Spaced each lamp bar 31 is capable of providing uniform illuminating effect.

The operational process that presently filed embodiment additionally provides a kind of liquid crystal display device is as follows:

1, content is shown on transparent liquid crystal panel 1, at the same time, backlight mould group plate 3 emits beam.

2, the light that backlight mould group plate 3 is issued is moved along the arrow direction in Fig. 3.A part exposes to transparent liquid The back side of crystal panel 1 directly through transparent liquid crystal panel 1 and provides lighting source for it.Another part exposes to reflecting element 2 Surface.

3, diffusing reflection, the same lighting source for becoming transparent liquid crystal panel 1 occur for the light for exposing to 2 surface of reflecting element.

In addition, in order to further improve the diffusing reflection efficiency of reflecting element 2, optionally, reflecting element 2 is towards transparent liquid The side of crystal panel 1 is coated with diffusing reflection coating.

The diffusing reflection figure layer being coated with can be improved the diffusing reflection rate of reflecting element 2, make liquid crystal display device in backlight mould Group plate 3 has higher display brightness under the premise of being in same output power.

In this application, it realizes that vehicle-mounted media launches the display of content by transparent liquid crystal panel 1, has higher clear Clear degree and better color rendition effect.In addition, the application passes through the reflection of itself and reflecting element 2 by backlight mould group plate 3 For 1 polishing of transparent liquid crystal panel, display brightness ensure that, therefore also still can be clearly when daytime, light intensity was big Display.Therefore in terms of existing technologies, the liquid crystal display device of the application has imaging effect good, low to cooling requirements, The high beneficial effect of clarity, color rendition degree, is more suitable for the demand of vehicle-mounted media delivery device.

In addition to this, shown in Figure 4, optionally, liquid crystal display device can also include:

The side backwards to angle of reflecting element 2 is arranged in liquid crystal display 6；

Camera module 7, towards outside the vehicle rear window 4 of automobile, camera module 7 and liquid crystal display 6 are communicated to connect.

Set liquid crystal display 6 can be used for providing 1 side of transparent liquid crystal panel positioned at the personnel of 2 side of reflecting element The visual field can be improved convenience.When being applied to vehicle environment, driver can lead to liquid crystal display 6 and see the outer camera institute of vehicle rear window 4 The image taken, therefore can be improved safety.

Embodiment two

The inventors of the present application found that liquid crystal display in the prior art can also be directly converted on automobile, make For vehicle-mounted media delivery device come using.But the liquid crystal display of the prior art is lighttight, although compared to vehicle-mounted throwing Display effect is more preferable for shadow instrument, but is easy to block the sight outside driver's trend of purchasing vehicle rear window 4, causes and drives risk.

In view of this, the second embodiment of the application provides a kind of liquid crystal display device, second embodiment can be with It is the further improvement for some embodiments of the present invention including first embodiment, main improvements exist In in the second embodiment of the application, liquid crystal display device further includes switching mechanism, is coupled in backlight or reflecting element 2, switched between shading or light transmission state with controlling backlight or reflecting element 2.

Specifically, in the second embodiment of the application, at least part of backlight or reflecting element 2 is by polymerizeing PDLC panel made of object dispersed LCD or polymer network liquid crystal, switching mechanism are switching electrode, switching electrode and the face PDLC Plate is electrically coupled to switch PDLC panel as shading/light transmission state.

Using PDLC panel can freely toggle reflections part 2 shading/light transmission state, and switch rapidly, the service life is long.

Embodiments of the present invention allow liquid crystal display device to exist by controlling reflecting element 2 by switching mechanism Switch between display picture state and pellucidity.

When showing picture, the reflecting element 2 in shading status can prevent the injection of back spurious rays, and will back The light diffusing reflection that light lamp mould group plate 3 issues can ensure the contrast of shown picture to transparent liquid crystal panel 1, Promote image quality.When not showing picture, the reflecting element 2 under light transmission state then can make liquid crystal display device on the whole Has penetrating attribute, to solve caused by liquid crystal display in the prior art is directly converted in the scenes such as vehicle-mounted Because its is opaque make light can not pass through liquid crystal display directive front side in the prior art the problem of, therefore, this reality Apply the liquid crystal display device in example has unique advantage in the application scenes such as vehicle-mounted.

By taking the liquid crystal display device of vehicle rear window 4 that automobile is arranged in as an example, when showing picture, since reflecting element 2 prevents The injection of back light, therefore clearly contrast and higher brightness provide preferably display picture.Do not showing picture When face, the liquid crystal display under the permeability status of front and back does not constitute the blocking for the sight seen outside vehicle to occupant, this makes Driver is also very convenient in situation after observing vehicle.

In conclusion being capable of providing preferably reflection effect when reflecting element 2 being switched to shading status using switching mechanism Fruit；When reflecting element 2 is switched to light transmission state, then make liquid crystal display device that observer not stopped to throw to come from 2 direction of reflecting element Sight, improve convenience.

Embodiment three

The third embodiment of the application provides a kind of liquid crystal display device, and third embodiment is implemented with including second Some embodiments of the present invention including mode are different, are in place of main difference, and second in the application is implemented In mode, backlight or reflecting element 2 are by the progress shading/light transmission state switching of PDLC panel；And in the third of the application reality It applies in mode, backlight or reflecting element 2 are by mechanical component progress shading/light transmission state switching.

Particularly, reflecting element 2 can be mechanical component.

Switching mechanism further includes motor 5 and transmission component, motor 5 can be changed by transmission component the orientation of mechanical component with So that the light for passing through 1 directive mechanical component of transparent liquid crystal panel is blocked or passes through.

Using mechanical component come toggle reflections part 2 state when, for PDLC panel, due under same cost The reflectivity of mechanical component can be higher, therefore has better reflecting effect.

The mechanical component of present embodiment meaning, can be arbitrary can form the structure blocked, such as plate to light Shape structure, flexible planar structure, or even can also be floury structure etc..

And the transmission component of present embodiment meaning accordingly can be arbitrary and be able to drive mechanical component movement Various transmission components.Such as can be link mechanism, cam structure, belt sheave structure, gear structure etc., it might even be possible to it is magnetic Power structure.

For example, with reference to shown in Fig. 5, mechanical component includes several and arranges along the length or width direction of reflecting element 2 Blade 21；

Transmission component includes:

Traction component is connect with motor 5, and motor 5 can drive each blade 21 to overturn by traction component.

By the overturning of blade 21, can be switched fast under shading/light transmission state.

Traction component can be there are many feasible mode, for example, shown in Figure 4, traction component may include:

First idler wheel 23 and the second idler wheel 24, are divided into the both ends on the length or width direction of the reflecting element 2, In the first idler wheel 23 be connected on the motor shaft of motor 5, the first idler wheel 23 and the second idler wheel 24 are sequentially connected by belt 27；

Each blade 21 is arranged along the direction of motion interval of belt 27；

Traction component further include: a plurality of torsion shaft 22, be connected to correspondingly these blades 21 perpendicular to belt 27 Direction the first central axes on；

One end of a plurality of left draw bar 25, and one-to-one correspondence identical as the quantity of blade 21, left draw bar 25 connects belt 27, the other end is connected on blade 21, and connecting portion is located at the left side of the first central axes of blade 21；

One end of a plurality of right draw bar 26, and one-to-one correspondence identical as the quantity of blade 21, right draw bar 26 connects belt 27, the other end is connected on blade 21, and connecting portion is located at the right side of the first central axes of blade 21.

When the rotation of the motor shaft of motor 5, belt 27 will be driven to rotate by the first idler wheel 23, and make the second idler wheel 24 Driven rotation, the movement that the movement of belt 27 will drive left draw bar 25 and right draw bar 26 to make opposite direction, so that blade 21 turns over Turn or from the replying state after overturning.

In the left draw bar 25 of blade 21 and line with respect to the horizontal plane angulation and the observer of right draw bar 26 Sight when with respect to the horizontal plane angulation is consistent, for observer, mechanical component is in light transmission state.At this point, seeing The person of examining can see the side outside transparent liquid crystal panel 1 by the side of reflecting element 2.When being applied on automobile, driver By finely tuning the flip angle of blade 21, makes oneself to can be clearly seen that the scenery except vehicle rear window 4, improve the safety of driving And comfort level.

What is particularly worth mentioning is that the present embodiment has only been merely given as a kind of example of traction component.In actual use Can be there are many deformation scheme, these deformation schemes, which do not change, " makes blade 21 be inverted so that reflecting element 2 in shading/light transmission Switch under state " spirit.

For example, the second idler wheel 24 can be not provided in some embodiments of the application, so that belt 27 passes through admittedly Dead axle movement, although friction is larger, also still can be realized the technical purpose of the application.

For another example, in some embodiments of the application, the draw bar that side can only be arranged (such as only retains left traction Bar 25 or right draw bar 26).This causes the lost of life although will lead to 21 unbalance stress of blade, but still also can be real reluctantly The technical purpose of existing the application.

For another example, it in some embodiments of the application, can be turned over by rack-and-pinion or chain to directly drive Shaft 22 moves, and then does flip-flop movement with movable vane piece 21.This may lead although the driving torque requirement to rack-and-pinion is bigger The problem of causing cost increase and reliability decrease, but also still can be realized the technical purpose of the application, it is not detached from the present invention Spirit and scope.

More variations are no longer enumerated one by one as space is limited.As long as those of ordinary skill in the art are it is to be understood that borrow The various kinds of drive in the prior art are helped, enable blade 21 be inverted so that reflecting element 2 switches under shading/light transmission state, all It should be comprised within the protection scope of the application.

In addition it is noted that blade 21 can be relatively thin flexible blade 21.Blade 21 is relative to itself initial bit The rotation angle set is not necessarily intended to reach 90 degree, as long as meeting the needs of transparent liquid crystal panel 1 is to brightness of illumination.

Diffusing reflection coating can be coated on the surface towards 1 side of transparent liquid crystal panel of blade 21, to improve reflection Rate.

Embodiment four

The 4th embodiment of the application provides a kind of liquid crystal display device, and the 4th embodiment is for including third The further improvement of some embodiments of the present invention including embodiment, mainly thes improvement is that, the of the application In four embodiments, the way of realization of another mechanical component is given.

Specifically, shown in Figure 6, mechanical component is flexible planar object, such as cord 29,

Transmission component includes:

Drag rope 20,20 one end of drag rope connect the lower part of cord 29, and the other end is connect with motor 5, and motor 5 can lead to Crossing drag rope 20 drives cord 29 to rise and decline.

Wherein, in order to more successfully go up and down cord 29, guide rail (not illustrating in figure) can also be set in the two sides of cord 29, And the edge of cord 29 is connected on guide rail by lead piece.

It is unobstructed under light transmission state after switching by cord 29 come when switching, compared to the mechanical structure of 21 form of blade For part, the better visual field can be provided for the observer positioned at 2 side of reflecting element.

Diffusing reflection coating can be equally coated on the surface towards 1 side of transparent liquid crystal panel of cord 29, to improve Reflectivity.

Embodiment five

The 5th embodiment of the application provides a kind of automobile, may include any one in first to fourth embodiment The liquid crystal display device of embodiment, wherein the liquid crystal display device is set in the vehicle rear window 4 of automobile, transparent liquid crystal face The display surface of plate 1 is arranged towards vehicle rear window 4.

Optionally, shown in Figure 7, automobile further includes gear control device 8；

Liquid crystal display device and gear control device 8 communicate to connect, so as to automate by the shift control of automobile The display state of ground switching liquid crystal display unit.

For example, can automatically open liquid crystal display device in running car, the dispensing of media content is carried out.And When the gear control device 8 for detecting automobile rests on park position, liquid crystal display device can be closed in advance, prevent from cutting suddenly Damage caused by power-off source to liquid crystal display device.

When being provided with switching mechanism on liquid crystal display device, liquid crystal display device may be in response to reverse gear state signal and cut Switching LCD device is light transmission state.The automatic of liquid crystal display device light transmission state switching can be further improved at this time Change and for user ease of use.

For example, for the automobile of automatic catch, when being switched to D gear, automobile is in driving status.At this point, cutting Reflecting element 2 is switched to shading status by structure of changing planes, and transparent liquid crystal panel 1 and backlight mould group plate 3 are in running order, and automobile obtains Media content is launched with liquid crystal display device.

When waiting traffic lights or taking a quick nap, the variation of state can't be brought by being switched to N gear.And when driver needs to stop When with reversing, gear can be switched to R gear, that is, reversing gear, gear controller issue reverse gear state signal.At this point, cutting Structure switching liquid crystal display unit of changing planes is light transmission state, and driver can see vehicle rear window 4 by the reflecting element 2 in light transmission state Outer picture.

By the way that liquid crystal display device is coupled with shift-position control apparatus so that liquid crystal display device launch media content it The remaining observation for not influencing driver to the state outside vehicle rear window 4, therefore the safety of driving can be improved significantly.

It will be understood by those skilled in the art that in above-mentioned each embodiment, in order to keep reader more preferably geographical It solves the application and proposes many technical details.But even if without these technical details and based on the respective embodiments described above Various changes and modifications can also realize each claim of the application technical solution claimed substantially.Therefore, in reality In, can to above embodiment, various changes can be made in the form and details, without departing from spirit herein and model It encloses.

Claims (15)

1. a kind of liquid crystal display device characterized by comprising

Transparent liquid crystal panel and backlight mould group plate, in angle be arranged, wherein the light-emitting surface of the backlight mould group plate with it is described The back side of transparent liquid crystal panel is opposite；And

Backlight, matched with the transparent liquid crystal panel and the backlight mould group plate with enclose the transparent liquid crystal panel with Angle space between the backlight mould group plate.

2. liquid crystal display device according to claim 1, which is characterized in that the backlight is reflecting element.

3. liquid crystal display device according to claim 2, which is characterized in that the reflecting surface of the reflecting element is essentially toward institute State the back side of transparent liquid crystal panel.

4. liquid crystal display device according to claim 1, which is characterized in that the liquid crystal display device is mounted on automobile On；

Wherein, the transparent liquid crystal panel is set in the vehicle rear window of the automobile, and display surface is towards the vehicle rear window.

5. liquid crystal display device according to claim 2 or 3, which is characterized in that the light-emitting surface of the backlight mould group plate On be provided with several lamp bars and the light diffuser plate that is covered in these lamp bars.

6. liquid crystal display device according to claim 5, which is characterized in that each lamp bar is from the transparent liquid crystal face Plate is arranged to the reflecting element interval.

7. the liquid crystal display device according to any one of claim 2,3,6, it is characterised in that: the liquid crystal display dress Setting further includes switching mechanism, is coupled in the reflecting element, is switched between shading or light transmission state with controlling the reflecting element.

8. liquid crystal display device according to claim 7, which is characterized in that the reflecting element is by polymer dispersed liquid crystals Or PDLC panel made of polymer network liquid crystal, the switching mechanism include switching electrode, the switching electrode with it is described PDLC panel is electrically coupled to switch the PDLC panel as shading/light transmission state.

9. liquid crystal display device according to claim 7, which is characterized in that the reflecting element is mechanical component, described to cut Structure of changing planes further includes motor and transmission component, the motor can be changed by the transmission component orientation of the mechanical component with So that the light for passing through mechanical component described in the transparent liquid crystal panel directive is blocked or passes through.

10. liquid crystal display device according to claim 9, which is characterized in that the mechanical component include several along The blade of the length or width direction arrangement of reflecting element；

Transmission component includes:

Traction component is connect with the motor, and the motor can drive each blade to overturn by the traction component.

11. liquid crystal display device according to claim 9, which is characterized in that the mechanical component is cord,

The transmission component includes:

Drag rope, described drag rope one end connect the lower part of the cord, and the other end is connect with the motor, the motor The cord can be driven to rise and decline by the drag rope.

12. the liquid crystal display device according to any one of claim 2 to 3,6,8 to 11, which is characterized in that described anti- The side for penetrating part towards the transparent liquid crystal panel is coated with diffusing reflection coating.

13. liquid crystal display device according to claim 2, which is characterized in that further include:

The side backwards to the angle of the reflecting element is arranged in liquid crystal display；

Camera module, towards outside the vehicle rear window of automobile, the camera module and the liquid crystal display are communicated to connect.

14. a kind of automobile, which is characterized in that including liquid crystal display device described in any one of claim 1 to 13, In, which is set in the vehicle rear window of the automobile, and the display surface of transparent liquid crystal panel is towards the rear car Window setting.

15. automobile according to claim 14, which is characterized in that further include gear control device；

The liquid crystal display device and the gear control device communicate to connect.