CN206164710U - On -vehicle formation of image display system - Google Patents

Abstract

The utility model discloses an on -vehicle formation of image display system includes along the transmission direction of light in proper order: light source (1), refracting prism (2), crystal (3), light scanning device (4) and formation of image screen (5), wherein, being carved with on the surface of crystal (3) interdigital transducer (31), just the signal input part of interdigital transducer (31) is with being loaded with radio frequency circuit (6) of bearing the weight of image information, this on -vehicle imaging system has advantages such as small, resolution ratio height.

Description

A kind of vehicle-mounted imaging display system

Technical field

The utility model discloses the technical field for being related to optical imagery, more particularly to a kind of vehicle-mounted imaging display system.

Background technology

Imaging display system is mainly used in the display of image, at present, in the various instrument of vehicle and HUD Need to use vehicle-mounted imaging display system.In existing vehicle-mounted imaging display system it is relatively conventional be based on LCD screen into As display system, based on the imaging display system of LED (Light-Emitting Diode, light emitting diode), based on OLED The imaging display system of (Organic Light-Emitting Diode, Organic Light Emitting Diode), based on DLP (Digital Light Processing, digital light process) imaging display system and based on LCOS (Liquid Crystal on Silicon, the attached silicon of liquid crystal) imaging display system.

However, because building block is more in above-mentioned each imaging display system, and the volume of each part is larger, causes whole The occupancy volume of individual imaging display system becomes big, therefore, the instrument and HUD volume made is also larger.Many institute's weeks Know, the inner space of vehicle is limited, if instrument and HUD take up room it is larger if, in same vehicle volume In the case of, the people that can cause vehicle is diminished with space, reduces the comfort level that vehicle is used.Additionally, existing imaging shows system System also has that respectively rate is low.

Therefore, how to solve the above problems, become people's problem demanding prompt solution.

Utility model content

In consideration of it, the utility model is disclosed there is provided a kind of vehicle-mounted imaging display system, it is existing vehicle-mounted aobvious at least to solve Show that the volume that system is present is big, the low problem of resolution ratio.

The technical scheme that the utility model is provided, specifically, a kind of vehicle-mounted imaging display system, it is characterised in that along The transmission direction of light includes successively：Light source 1, refracting prisms 2, crystal 3, light scanning apparatus 4 and imaging screen 5；

Wherein, interdigital transducer 31 is carved with the surface of the crystal 3, and the signal input part of the interdigital transducer 31 It is loaded with the radio circuit 6 of carry image information.

It is preferred that, it is provided with waveguide on the interdigital transducer 31.

Further preferably, the waveguide is surface wave guide.

Further preferably, the light source 1 is cold light source laser.

Further preferably, the refractive index of the refracting prisms 2 is more than 2.5.

Further preferably, the refracting prisms 2 are rutile prism.

Further preferably, the crystal 3 is lithium columbate crystal.

Further preferably, the light scanning apparatus 4 is two-dimensional scanning mirrors.

Further preferably, the imaging screen 5 is phase-plate.

The vehicle-mounted imaging display system that the utility model is provided, is carved with interdigital transducer, Er Qie on the surface of crystal The signal input part of interdigital transducer is loaded with the radio circuit of carry image information, wherein, the light of light source transmitting, by folding Penetrate prism-coupled and enter crystal, the electric signal that radio circuit sends is loaded onto on interdigital transducer, make to be produced in interdigital transducer Stress vibrates, and forms high frequency mechanical wave, and the refractive index for causing crystal changes, therefore is coupled into the light of crystal, Corresponding diffraction can occur according to the electric signal exported in the radio circuit of loading, light scanning apparatus is by from the light of crystal outgoing Imaging screen is delivered to after scanning, the display of image is realized, wherein, the amplitude of electric signal is exported by changing radio circuit, it is adjustable The intensity of emergent ray in section crystal.

The vehicle-mounted imaging display system that the utility model is provided, using refracting telescope and crystal the propagation of light is carried out, and can be had Effect reduces the volume of whole system, meanwhile, very little Pixel Dimensions can be obtained by methods such as lens convergences, can be significantly Improve resolution ratio.

Description of the drawings

Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets of the present utility model Embodiment, and be used to explain principle of the present utility model together with specification.

In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, for ordinary skill people For member, without having to pay creative labor, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 discloses the structural representation of a kind of vehicle-mounted imaging display system that embodiment is provided for the utility model.

Specific embodiment

Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Explained below is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the utility model.Conversely, they be only with such as The example of the consistent device of some aspects being described in detail in appended claims, of the present utility model.

It is a kind of vehicle-mounted imaging display system referring to Fig. 1, the vehicle-mounted imaging system is wrapped successively along the transmission direction of light Include：Light source 1, refracting prisms 2, crystal 3, light scanning apparatus 4 and imaging screen 5, wherein, interdigital changing is carved with the surface of crystal 3 Energy device 31, and the signal input part of interdigital transducer 31 is loaded with the radio circuit 6 of carry image information, radio circuit output The electric signal of end output is by the image information control for carrying.

The specific work process of above-mentioned vehicle-mounted imaging display system is to open light source, and the light of light source transmitting is through refraction After the refraction of prism, in being coupled into crystal, from crystal outgoing after the refraction of crystal and/or diffraction, the light of outgoing by Light scanning apparatus is gathered, and light scanning apparatus realizes the display of image by the beam projecting for collecting to imaging screen, wherein, light Line is coupled into after crystal, and its refractive/diffractive situation in crystal is by the radio circuit for being carried in interdigital transducer input Determine, specifically, the electric signal of radio circuit output is carried in the input of interdigital transducer, makes to be produced in interdigital transducer and answer Power, vibrates, and forms high frequency mechanical wave, so that the refractive index of crystal changes, and then the light for making to enter in crystal is sent out The corresponding refractive/diffractive of life, and the electric signal of radio circuit output is controlled by the image information for carrying, wherein, by changing The amplitude of varying firing rate circuit output electric signal, can adjust the intensity of emergent ray in crystal.

In order to optimize the propagation of electric signal, as the improvement of scheme, on interdigital transducer 31 waveguide is provided with, it is preferable that Waveguide is surface wave guide.

In order to reduce the heat of display system generation, as the improvement of scheme, light source 1 is selected into cold light source laser.

Wherein, the refractive index of refracting prisms 2 is more than 2.5, it is preferable that refracting prisms 2 are rutile prism.

Wherein, crystal 3 be lithium columbate crystal, light scanning apparatus 4 be two-dimensional scanning mirrors, imaging screen 5 be phase-plate, phase place The presence of plate causes image to be no longer limited to the images such as plane, curved surface, sphere can be reproduced.

Those skilled in the art will readily occur to this practicality after considering specification and putting into practice utility model disclosed herein Other new embodiments.The application is intended to any modification of the present utility model, purposes or adaptations, these Modification, purposes or adaptations follow general principle of the present utility model and including undocumented skill of the utility model Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility model True scope and spirit are pointed out by claim below.

It should be appreciated that the utility model is not limited to the accurate knot for being described above and being shown in the drawings Structure, and can without departing from the scope carry out various modifications and changes.Scope of the present utility model only will by appended right Ask to limit.

Claims (9)

1. a kind of vehicle-mounted imaging display system, it is characterised in that the transmission direction along light includes successively：Light source (1), refraction Prism (2), crystal (3), light scanning apparatus (4) and imaging screen (5)；

Wherein, interdigital transducer (31), and the signal input of the interdigital transducer (31) are carved with the surface of the crystal (3) End is loaded with the radio circuit (6) of carry image information.

2. vehicle-mounted imaging display system according to claim 1, it is characterised in that be provided with the interdigital transducer (31) Waveguide.

3. vehicle-mounted imaging display system according to claim 2, it is characterised in that the waveguide is surface wave guide.

4. vehicle-mounted imaging display system according to claim 1, it is characterised in that the light source (1) is cold light source laser.

5. vehicle-mounted imaging display system according to claim 1, it is characterised in that the refractive index of the refracting prisms (2) is big In 2.5.

6. vehicle-mounted imaging display system according to claim 5, it is characterised in that the refracting prisms (2) are rutile rib Mirror.

7. vehicle-mounted imaging display system according to claim 1, it is characterised in that the crystal (3) is lithium columbate crystal.

8. vehicle-mounted imaging display system according to claim 1, it is characterised in that the light scanning apparatus (4) is swept for two dimension Retouch galvanometer.

9. vehicle-mounted imaging display system according to claim 1, it is characterised in that the imaging screen (5) is phase-plate.