CN107085306A - Display device, augmented reality equipment and the head-up display of augmented reality equipment - Google Patents
Display device, augmented reality equipment and the head-up display of augmented reality equipment Download PDFInfo
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- CN107085306A CN107085306A CN201710455696.0A CN201710455696A CN107085306A CN 107085306 A CN107085306 A CN 107085306A CN 201710455696 A CN201710455696 A CN 201710455696A CN 107085306 A CN107085306 A CN 107085306A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
- G02B2027/0114—Head-up displays characterised by optical features comprising device for genereting colour display comprising dichroic elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention provides a kind of display device of augmented reality equipment, augmented reality equipment and head-up display, it is related to the technical field that augmented reality is shown, the display device of the augmented reality equipment, including display image source, the first light source and optical module；Display image source has incidence surface and exiting surface, and the incidence surface is used to receive light, the emergent light formation image that the exiting surface is projected；First light source is used to launch light to the incidence surface of display image source；The optical module is located at the light extraction surface side of the display image source, for described image to be projected into the human eye of user；The display device of the augmented reality equipment also includes reflection subassembly, and the reflection subassembly is used to reflection of ambient light be used to increase to the brightness for showing that image source projects light to the incidence surface of the display image source.So, the light and ambient light that the first light source is sent all are injected into the incidence surface of display image source, can increase the brightness for the light that display image source is sent, so that the image of display image source formation is clearer.
Description
Technical field
The present invention relates to the technical field that augmented reality is shown, the display more particularly, to a kind of augmented reality equipment is filled
Put, augmented reality equipment and head-up display.
Background technology
With the progress of computer hardware technique and optical design manufacturing technology, virtual reality (Virtual
Reality, referred to as VR), augmented reality (Augmented Reality, referred to as AR) and mixed reality (Mix
Reality, referred to as MR) technology development it is very swift and violent.Such as augmented reality, it be exactly directly by computer by picture project or
Be added to reality, and this means that we do not need the virtual vision experience of immersion, but directly in the scene of actual life
Under, and effectively interacted not the picture that can be projected by other if the interaction device of operation handle etc with it.
Computer-generated image information generally using mode is worn, is presented to user by augmented reality display device.
Augmented reality display device realizes that the mode of visual information superposition has two kinds of video perspective and optical perspective, and optical perspective is more
Plus the means of good superposition virtual information.Using the imaging importing mode of optical perspective, user not only can directly see
The true environment of surrounding, it is further seen that enhancing image or information that computer is produced.
The brightness of image or information produced by existing augmented reality imaging device depends entirely on its backlight
Brightness, when using augmented reality imaging device under bright and clear environment, the brightness that computer produces image is significantly lower than
The brightness of surrounding true environment, causes computer-generated image after the two superposition to show very unclear.Increase backlight by force
The brightness in source, the power consumption increase of equipment, the heat that backlight is produced can not be dissipated, and the problem of heating is serious occurred, reduced equipment
Service life.
The content of the invention
It is an object of the invention to provide a kind of display device of augmented reality equipment, augmented reality equipment and head-up display
Device, to alleviate existing augmented reality equipment in the case where surrounding environment luminous intensity is larger, computer produces the bright of image
Degree causes computer-generated image after the two superposition to show very unclear skill significantly lower than the brightness of surrounding true environment
Art problem.
The display device for the augmented reality equipment that the present invention is provided, including display image source, the first light source and optical module；
The display image source has incidence surface and exiting surface, and the incidence surface is used to receive light, what the exiting surface was projected
Emergent light formation image；The optical module is located at the light extraction surface side of the display image source, for described image to be projected to making
In the human eye of user；The display device of the augmented reality equipment also includes reflection subassembly, and the reflection subassembly is used for environment
Light is reflected towards the incidence surface of the display image source, and the brightness of light is projected for increasing the display image source.
Further, the display image source is display panel, and first light source is backlight；The backlight is located at institute
State the incidence surface side of display panel；
The reflection subassembly includes speculum, and the polarization spectro being arranged between first light source and display image source
Mirror, the speculum is used for reflection of ambient light to the polarization spectroscope, and the ambient light is anti-by the polarization spectroscope
The incident side of display panel described in directive；Display surface described in polarization spectroscope directive described in the light-transmissive that the backlight is sent
The incident side of plate.
Further, the display image source is reflective display panel；
The display device of the augmented reality equipment also includes the first polarization spectroscope；The transmitting light warp of first light source
The display image source incidence surface is entered after the reflection for crossing first polarization spectroscope, the light that the display image source is projected is passed through
The optical module is injected into after first polarization spectroscope；
The reflection subassembly includes speculum and the second polarization spectroscope, and the ambient light passes through the reflective mirror and second
The incidence surface of the display image source is injected after the continuous reflection of polarization spectroscope；The light that the display image source is projected is through described the
The optical module is injected into after two polarization spectroscopes.
Further, the display image source is digital micromirror display part；
The reflection subassembly includes speculum, and the prism being arranged between the display image source and optical module；Institute
Stating prism has reflecting surface, and the reflecting surface is used to adjust the incidence angle that the ambient light enters the display image source, so that
The incidence angle of the ambient light is identical with the angle for the incidence angle that first light source is injected into the display image source.
Further, the reflection subassembly include multiple speculums, and the reflecting surface of multiple speculums direction not
Together, for reflecting the ambient lights of different directions, so that the ambient light of different directions, which enters, shows image source.
Further, the display device of the augmented reality equipment includes environment light collection portion, the environment light collection portion
It is arranged on the incident path of the ambient light foremost, the ambient light injects the display behind the environment light collection portion
Image source.
Further, the environment light collection portion includes lens, and the lens are used to increase the light-inletting quantity of the ambient light；
Also include light integrator, grating, polarizer, wave plate, attenuator, the attenuator is radiated at the display image source for regulation
On ambient light number.
Further, first light source can send the light of m kind colors, and m is the integer more than or equal to 1；The enhancing
It is whole that the display device of real world devices, which includes being provided with n optical filtering portion, m >=n >=1, and n on filtering structure, the filtering structure,
The ambient light is filtered into single by number, the filter house when the filter house is located at the incident path of the ambient light
The light of color.
Further, first light source can send the light of m kind colors successively；M is the integer more than 1；N described
N kinds color in the m kind color of light that the color of filter house is sent with first light source is corresponded, and n is the integer more than 1；
And each optical filtering portion is located at the environment identical with the color of light that first light source is sent at the time of
On the incident path of light.
Further, the filtration is colour wheel, and circumferentially arranged on the colour wheel to have n filter house, n is more than 1
Integer；The display device of the augmented reality equipment includes motor, and the motor is used to drive the colour wheel to rotate, so that often
The individual optical filtering portion identical with the color of light that first light source is sent at the time of positioned at the ambient light incident path
On.
Further, the optical filtering portion includes the one or more in optical filter, dichronic mirror, grating or prism.
Further, the display device of the augmented reality equipment includes multiple automatically controlled optical filters, and the multiple automatically controlled
The color of optical filter is corresponding with the color for the light that first light source can be sent；Light valve is provided with the automatically controlled optical filter
Door, after the light valve door is closed, for preventing the ambient light from projecting the automatically controlled optical filter；
The display device of the augmented reality equipment includes a plurality of ambient light incident path, multiple automatically controlled optical filters one
One is accordingly arranged on multiple ambient light incident paths；The light valve door of each automatically controlled optical filter is only with described the
The color for the light that one light source is sent is opened at the time of identical.
Further, the quantity of the display image source, the first light source, reflection subassembly and filtration is multiple；One
The display image source, first light source, a reflection subassembly and a filtration constitute one group of indication mechanism；
The light that multigroup indication mechanism is sent is imaged on same optical module.
Further, the display device of the augmented reality equipment includes light intensity detector, and the light intensity detector is used for
Sense the light intensity ratio of feux rouges in the ambient light, green glow, blue light, and adjust first light source and send the strong of corresponding color light
Degree so that first light source send feux rouges, green glow, blue light light intensity ratio it is consistent with the ambient light.
The augmented reality equipment that the present invention is provided, includes the display device of above-mentioned augmented reality equipment.
Further, the augmented reality equipment includes the helmet, and the display device of the augmented reality equipment is arranged on institute
State on the helmet.
The head-up display that the present invention is provided, includes the display device of above-mentioned augmented reality equipment.
The display device for the augmented reality equipment that the present invention is provided, including display image source, the first light source and optical module；Institute
Stating display image source has incidence surface and exiting surface, and the incidence surface is received after light, and the emergent light that the exiting surface is projected can be with shape
Into image, first light source is used to launch light to the incidence surface of the display image source.The optical module is located at the display
The light extraction surface side of image source, for described image to be projected into the human eye of user.The display device of the augmented reality equipment
Also include reflection subassembly, the reflection subassembly be used for by reflection of ambient light to it is described display image source incidence surface, so, the first light
The light and ambient light that source is sent all are injected into the incidence surface of display image source, can increase the brightness for the light that display image source is sent, from
And make the image of display image source formation clearer.The augmented reality equipment that the present invention is provided, including above-mentioned augmented reality are set
Standby display device.The display device of the augmented reality equipment also includes reflection subassembly, and the reflection subassembly is used for environment
Light is reflected towards the incidence surface of the display image source, so, and the light and ambient light that the first light source is sent all are injected into display image source
Incidence surface, the brightness that can increase the light that display image source is sent is higher, so that the image of display image source formation is clearer.
The head-up display that the present invention is provided, includes the display device of above-mentioned augmented reality equipment.The augmented reality
The display device of equipment also includes reflection subassembly, and the reflection subassembly is used to reflection of ambient light entering light to the display image source
Face, so, the light and ambient light that the first light source is sent all are injected into the incidence surface of display image source, can increase display image source and send
Light brightness it is higher so that display image source formation image it is clearer.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the display device for the augmented reality equipment that the embodiment of the present invention 1 is provided；
Fig. 2 is that the display device for the augmented reality equipment that the embodiment of the present invention 1 is provided is provided with a kind of original of filtering structure
Reason figure；
Fig. 3 is that the display device for the augmented reality equipment that the embodiment of the present invention 1 is provided is provided with another filtering structure
Schematic diagram；
Fig. 4 is the schematic diagram of the display device for the augmented reality equipment that the embodiment of the present invention 2 is provided；
Fig. 5 is the schematic diagram of the display device for the augmented reality equipment that the embodiment of the present invention 3 is provided.
Icon：100- shows image source；200- speculums；310- polarization spectroscopes；320- prisms；410- lens；
420- combined lens；500- environment light collections portion；600- rotating disks；700- optical filterings portion；800- dichroscopes；900- first
Light source.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, such as occur term " " center ", " on ", " under ", "left", "right",
" vertical ", " level ", " interior ", " outer " etc., its orientation indicated or position relationship are to be closed based on orientation shown in the drawings or position
System, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, such as there is art
Language " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
The invention provides a kind of display device of augmented reality equipment, multiple embodiments are given below the present invention is provided
The structure of display device of augmented reality equipment be described in detail.
Embodiment 1
The display device for the augmented reality equipment that the present invention is provided, including display image source 100, the first light source 900 and optics
Component；The display image source 100 has incidence surface and exiting surface, and the incidence surface is received after light, and what the exiting surface was projected goes out
Image can be formed by penetrating light, and first light source 900 is used to launch light to the incidence surface of the display image source 100.The optics
Component is located at the light extraction surface side of the display image source 100, for described image to be projected into the human eye of user.The enhancing
The display device of real world devices also includes reflection subassembly, and the reflection subassembly is used for reflection of ambient light to the display image source
100 incidence surface, so, the light and ambient light that the first light source 900 is sent all are injected into the incidence surface of display image source 100, can be with
Increase shows the brightness for the light that image source 100 is sent, so that the image of the display formation of image source 100 is clearer.External environmental light
Stronger, the light that can be used for display that can be collected into is stronger, and at this moment display brightness is also stronger, and this conforms exactly to display device and existed
Different brightness requirements under different brightness conditions.
Ambient light can include but is not limited to the lamps such as sunshine, moonlight, also the artificial light sources such as including light.So as to
The display device of augmented reality equipment, which can be made, to be used out of doors, can also be used, be increased in bright sufficient interior
Its applicable scope.
Image produced by existing augmented reality display device depends on the brightness of built-in light source, and due to built-in light source
The limitation of technology, the brightness of built-in light source in the case where extraneous ambient light is sufficient there is provided light luminance shortage, computer
The brightness for producing image is significantly lower than the brightness of surrounding true environment, causes computer-generated image ten compared with surrounding environment
It is hard to tell Chu.And increasing the brightness of backlight by force, the power consumption increase of equipment, the heat that light source is produced can not be dissipated, it will be gone out
The problem of now generating heat serious, reduces the service life of equipment.The display device for the augmented reality equipment that the present invention is provided, will be logical
Cross and utilize reflection subassembly, ambient light sufficient around is collected and imaging is utilized, the brightness of the image so produced will be obvious
Higher than use built-in light source imaging.The not enough problem of display brightness under outdoor sunny use condition on daytime is solved, is filled out
Current AR, MR equipment non-serviceable problem in the present context is mended, so that equipment can energy equal under various conditions
Use.
As shown in figure 1, the display panel can be reflection type liquid crystal panel, display panel and the first light source 900 are constituted
The liquid crystal display of reflection-type, such as liquid crystal on silicon (Liquid Crystal on Silicon, hereinafter referred to as Lcos).Institute
Speculum 200, and the first polarization being arranged between the display image source 100 and optical module can be included by stating reflection subassembly
Spectroscope 310, the speculum 200 is used to reflect the ambient light, and ambient light is incorporated into point of the first polarization spectroscope 310
On beam face, the partial poolarized light of ambient light is showing the incidence surface of image source 100 by reflected illumination.What the first light source 900 was sent
Light is after the second polarization spectroscope 310, and partial poolarized light is radiated at display image source after the reflection of the second polarization spectroscope 310
On 100 incidence surface, ambient light and the collective effect of the first light source 900 can be improved from the bright of the light of the display injection of image source 100
Degree, so as to improve the brightness for the light for entering user's human eye.
Further, ambient light can be incorporated into the incidence surface of display image source 100, the reflection by the speculum 200
Component includes multiple speculums 200, and the direction of the reflecting surface of multiple speculums 200 is different, for reflecting different directions
Ambient light so that different directions ambient light enter show image source 100, can so increase the collection rate of ambient light, allow more
Multidirectional light enters the incidence surface of display image source 100.
The optical module can include speculum 200, lens 410 and the combined lens 420 of light path second half section, for that will scheme
As being incorporated into human eye, this is one of which implementation, and the application can be also used for such as free form surface, waveguide, laser scanning
Etc. various augmented reality display modes.
The display device of the augmented reality equipment can include environment light collection portion 500, the environment light collection portion 500
It is arranged on the incident path of the ambient light foremost, the ambient light is injected described behind the environment light collection portion 500
Show image source 100.The environment light collection portion 500 can include lens, and the lens are used to increase the entering light of the ambient light
Amount；Also include light integrator, light integrator is more uniform for making to incide the light on display image source 100；Grating is
In order to play color filtering or polarization filtering, polarizer and wave plate are that polarizing filtering is used, and attenuator is used to adjust
Be radiated at it is described display image source 100 on ambient light number.The main function of environment light collection portion 500 is to imported into ambient light
Show on image source 100, above-mentioned part, which can be used alone, to be used cooperatively, and all be that can reach more preferable display effect.
Further, first light source 900 can send the light of m kind colors, and m is the integer more than or equal to 1, that is,
Say that the first light source 900 can send monochromatic light or can send the light of multiple color.The display dress of the augmented reality equipment
Put including filtering structure, n optical filtering portion 700, m >=n >=1, and n are provided with the filtering structure for integer, the filter house
During positioned at the incident path of the ambient light, ambient light can be filtered into the light of solid color, and color can be with the first light
The color in source 900 is identical, and the first light source 900 is superimposed with ambient light, can increase the intensity of the display emergent light of image source 100.
When the first light source 900 can only send a kind of light of color, i.e. m=1, then the filtering structure include and described the
One light source 900 sends the color identical optical filtering portion 700 of light.For example, the first light source 900 can only send red light, and optical filtering portion
700 can be Red lightscreening plate, so that it is latter with the incidence surface for being injected into display image source 100 that ambient light is filtered into red light
On, so as to increase the brightness of feux rouges.
Further, first light source 900 can send the light of multiple color, and first light source 900 be used for according to
The secondary light for sending different colours, for example, can send feux rouges, green glow, blue light successively.The display device of the augmented reality equipment
Including filtering structure, multiple optical filtering portions 700 are provided with the filtering structure, and the multiple optical filtering portion 700 is respectively used to make
The light of different colours is passed through, and the color in multiple optical filtering portions 700 is corresponding with the color for the light that first light source 900 is sent,
Such as color in optical filtering portion 700 can correspond to red, green, blueness, and each optical filtering portion 700 with first light
At the time of the color for the light that source 900 is sent is identical on the incident path of the ambient light, it can make to incide display image source
The color of 100 ambient light is identical with the color of the at this moment light that the first light source 900 is sent, after the two superposition, common increase irradiation
The brightness of light on optical module.
Specifically, as shown in Fig. 2 the filtering structure can be colour wheel, including rotating disk 600, the optical filtering portion 700 can be with
For the optical filter being circumferentially disposed on the rotating disk 600；Motor drives rotating disk 600 to rotate, so that ambient light injection is more
One in the individual optical filter, the frequency that rotating disk 600 rotates is synchronous with three dice light source controls of the first light source 900, for example
The light that first light source 900 is sent is feux rouges, and at the same time rotating disk 600 rotates to red filter portion 700, can make to enter aobvious
The ambient light for showing image source 100 is feux rouges.
The filtering structure preferably includes a red filter portion 700, a green filter portion 700 and a blueness
Optical filtering portion 700.The optical filtering portion 700 of other colors can also be included.Optical filtering portion 700 is not limited to optical filter, other optics
Such as dichronic mirror, grating, prism 320 point color device.
Specifically, as shown in figure 3, the display device of the augmented reality equipment includes multiple automatically controlled optical filters, and it is described
The color of multiple automatically controlled optical filters is corresponding with the color for the light that first light source 900 can be sent；On the automatically controlled optical filter
Light valve door is provided with, after the light valve door is closed, for preventing the ambient light from projecting the automatically controlled optical filter.The enhancing is existing
The display device of real equipment includes being provided with an automatically controlled filter on a plurality of ambient light incident path, every ambient light incident path
Mating plate, the light valve door of each automatically controlled optical filter is only identical with the color of light that first light source 900 is sent at the time of
Open, that is to say, that when the light of the first light source 900 is red, the light valve door of only red automatically controlled optical filter is to open,
The light valve door of other automatically controlled optical filters is to close, at this moment, and the feux rouges in feux rouges and ambient light that the first light source 900 is sent is folded
Plus, the brightness for increasing imaging.Can be respectively liquid crystal from top to bottom so that the number of automatically controlled light filter is three as an example
Automatically controlled Red lightscreening plate, LCD electric-controlled green color filter, LCD electric-controlled blue color filter, meanwhile, it is correspondingly arranged on a reflection
Mirror 200 and two dichroscopes 800, first dichroscope 800 can reflect the light from LCD electric-controlled green color filter, simultaneously
The feux rouges that the speculum 200 of top reflects can be transmitted, can be by monochromatic ring by speculum 200 and two dichroscopes 800
Border light imported into the incidence surface of display image source 100
It is special, the display image source 100 of the display device of the augmented reality equipment, the first light source 900, reflection subassembly and
The quantity of filtration is multiple, and each display image source 100, the first light source 900, reflection subassembly and filtration structure
Into one group of indication mechanism, optical module described in multigroup equal directive of indication mechanism imaging, for being imaged.In every group of indication mechanism
The color of light that sends of the first light source 900 can be the same or different.Using the color of the first light source 900 to be red, green
Exemplified by color, blueness, the three coloured light after filtering is directed respectively into corresponding three displays image source 100, imaging is radiated at again
On optical module, because multiple indication mechanisms work independently, it is possible to realize higher frame per second.
Preferably, the imaging device includes light intensity detector, and the light intensity detector is used to sense in the ambient light
Feux rouges, green glow, the light intensity ratio of blue light, and the intensity that first light source 900 sends corresponding color light is adjusted, institute can be made
The light intensity ratio of stating feux rouges, green glow, blue light that the first light source 900 sends is consistent with the ambient light, it is necessary to explanation, here
Unanimously, it is to reach unanimity, it is impossible to as accomplishing completely.The white balance of image can be adjusted by means of which.
Embodiment 2
Specifically, difference from Example 1 is, as shown in figure 4, the display panel can be liquid crystal panel, the
One light source 900 is backlight, and it is located at the incidence surface side of display panel, so that, the display panel and the first light source 900 are constituted
The liquid crystal display (Liquid Crystal Display, hereinafter referred to as LCD) of transmission-type.The reflection subassembly includes anti-
Penetrate mirror 200, and the polarization spectroscope 310 being arranged between first light source 900 and display image source 100, the speculum
200 are used to reflect the ambient light, on the beam-splitting surface that ambient light is incorporated into polarization spectroscope 310, the partial polarization of ambient light
Light is showing the incidence surface of image source 100 by reflected illumination.The light that first light source 900 is sent after polarization spectroscope 310,
Partial poolarized light is radiated at after polarization spectroscope 310 on the incidence surface of display image source 100, ambient light and the first light source 900
Collective effect, can improve from display image source 100 project light brightness, so as to improve the light for entering user's human eye
Brightness.
Embodiment 3
With Examples 1 and 2 difference, as shown in figure 5, it is described display image source 100 can be digital micromirror display part
(Digital Micro mirror Device, hereinafter referred to as DMD), the reflection subassembly includes speculum 200, Yi Jishe
The prism 320 between the display image source 100 and optical module is put, DMD is due to being micro mirror array, it is therefore desirable to certain
Incident angle it is incident, could vertical exit, it is therefore desirable to increase a prism 320 in the optical path, to realize the first light source
DMD surfaces are incided in same position to 900 light and ambient light at the same angle.So the prism 320 has reflection
Face, the reflecting surface is used to adjust the incidence angle that the ambient light enters the display image source 100, so that the ambient light
Incidence angle is identical with the angle for the incidence angle that first light source 900 is injected into the display image source 100.
Show that image source 100 not only includes above-mentioned three kinds, also can realize the display device of generation image including other；
By introducing ambient light, so as to realize the raising of brightness of image.Such as MEMS list micro mirror scan mode, equally can be
An environment light path is intervened in light path, so as to increase brightness of image.
The augmented reality equipment that the present invention is provided, includes the display device of above-mentioned augmented reality equipment.The enhancing is existing
The display device of real equipment also includes reflection subassembly, and the reflection subassembly is used to reflection of ambient light showing image source 100 to described
Incidence surface, so, the light and ambient light that the first light source 900 is sent all be injected into display image source 100 incidence surface, Ke Yizeng
Plus show that the brightness for the light that image source 100 is sent is higher, so that the image of the display formation of image source 100 is clearer.The enhancing
Real world devices can include the display device that augmented reality equipment is provided with the helmet, the helmet.The helmet is worn on the head by user,
Helmet top can be provided with light inlet, and ambient light is entered in display image source 100 by light inlet, so that the screen before human eye
Imaging on curtain.The helmet is applied to indoor and outdoor.
The head-up display that the present invention is provided, includes the display device of above-mentioned augmented reality equipment.The augmented reality
The display device of equipment also includes reflection subassembly, and the reflection subassembly is used for reflection of ambient light to the display image source 100
Incidence surface, so, the light and ambient light that the first light source 900 is sent all are injected into the incidence surface of display image source 100, can increase
The brightness for the light that display image source 100 is sent is higher, so that the image of the display formation of image source 100 is clearer.Head-up display
It can be arranged in the vehicles such as automobile or aircraft, group immediately ahead of operator seat can be projected image onto by optical component
In optical electrical display device on combined glass glass.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (17)
1. a kind of display device of augmented reality equipment, including display image source, the first light source and optical module；
The display image source has incidence surface and exiting surface, and the incidence surface is used to receive light, the outgoing that the exiting surface is projected
Light formation image；The optical module is located at the light extraction surface side of the display image source, for described image to be projected to user
Human eye in；Characterized in that, the display device of the augmented reality equipment also includes reflection subassembly, the reflection subassembly is used for
By reflection of ambient light to the incidence surface of the display image source, the brightness of light is projected for increasing the display image source.
2. the display device of augmented reality equipment according to claim 1, it is characterised in that the display image source is display
Panel, first light source is backlight；The backlight is located at the incidence surface side of the display panel；
The reflection subassembly includes speculum, and the polarization spectroscope being arranged between first light source and display image source,
The speculum is used to reflection of ambient light being reflected towards by the polarization spectroscope to the polarization spectroscope, and the ambient light
The incident side of the display panel；Display panel described in polarization spectroscope directive described in the light-transmissive that the backlight is sent
Incident side.
3. the display device of augmented reality equipment according to claim 1, it is characterised in that the display image source is reflection
Formula display panel；
The display device of the augmented reality equipment also includes the first polarization spectroscope；The transmitting light of first light source passes through institute
The display image source incidence surface is entered after the reflection for stating the first polarization spectroscope, the light that the display image source is projected is through described
The optical module is injected into after first polarization spectroscope；
The reflection subassembly includes speculum and the second polarization spectroscope, and the ambient light is by the reflective mirror and the second polarization
The incidence surface of the display image source is injected after spectroscopical continuous reflection；The light that the display image source is projected is inclined through described second
Shake and be injected into the optical module after spectroscope.
4. the display device of augmented reality equipment according to claim 1, it is characterised in that the display image source is numeral
Micro-mirror display part；
The reflection subassembly includes speculum, and the prism being arranged between the display image source and optical module；The rib
Mirror has reflecting surface, and the reflecting surface is used to adjust the incidence angle that the ambient light enters the display image source, so that described
The incidence angle of ambient light is identical with the angle for the incidence angle that first light source is injected into the display image source.
5. the display device of augmented reality equipment according to claim 1, it is characterised in that the reflection subassembly includes many
Individual speculum, and the direction of the reflecting surface of multiple speculums is different, the ambient light for reflecting different directions, so that different
The ambient light in direction, which enters, shows image source.
6. the display device of augmented reality equipment according to claim 1, it is characterised in that the augmented reality equipment
Display device includes environment light collection portion, and the environment light collection portion is arranged on the incident path of the ambient light foremost, institute
State ambient light and the display image source is injected behind the environment light collection portion.
7. the display device of augmented reality equipment according to claim 6, it is characterised in that the environment light collection portion bag
Lens are included, the lens are used to increase the light-inletting quantity of the ambient light；Also include light integrator, grating, polarizer, wave plate,
Attenuator, the attenuator be used for adjust be radiated at it is described display image source on ambient light number.
8. the display device of augmented reality equipment according to claim 1, it is characterised in that first light source can be sent out
Go out the light of m kind colors, m is the integer more than or equal to 1；The display device of the augmented reality equipment includes filtering structure, described
N optical filtering portion, m >=n >=1, and n are provided with filtering structure for integer, the filter house is located at described in the filter house
During the incident path of ambient light, the ambient light is filtered into the light of solid color.
9. the display device of augmented reality equipment according to claim 8, it is characterised in that first light source can be according to
The secondary light for sending m kind colors；M is the integer more than 1；The m kind face that the color of the n filter houses is sent with first light source
N kinds color in coloured light is corresponded, and n is the integer more than 1；
And each optical filtering portion identical with the color of light that first light source is sent at the time of positioned at the ambient light
On incident path.
10. the display device of augmented reality equipment according to claim 9, it is characterised in that the filtration is color
Circumferentially arranged on wheel, the colour wheel to have n filter house, n is the integer more than 1；The display device of the augmented reality equipment
Including motor, the motor is used to drive the colour wheel to rotate, so that each optical filtering portion is sent with first light source
Light color it is identical at the time of on the incident path of the ambient light.
11. the display device of augmented reality equipment according to claim 8, it is characterised in that the optical filtering portion includes filter
One or more in mating plate, dichronic mirror, grating or prism.
12. the display device of augmented reality equipment according to claim 8, it is characterised in that the augmented reality equipment
Display device include multiple automatically controlled optical filters, and the color of the multiple automatically controlled optical filter can send with first light source
Light color correspondence；Light valve door is provided with the automatically controlled optical filter, after the light valve door is closed, for preventing the environment
Light projects the automatically controlled optical filter；
The display device of the augmented reality equipment includes a plurality of ambient light incident path, a pair of the multiple automatically controlled optical filters 1
It is arranged on multiple ambient light incident paths with answering；The light valve door of each automatically controlled optical filter only with first light
The color for the light that source is sent is opened at the time of identical.
13. the display device of augmented reality equipment according to claim 2, it is characterised in that the display image source, first
The quantity of light source, reflection subassembly and filtration is multiple；One display image source, first light source, one
The reflection subassembly and a filtration constitute one group of indication mechanism；The light that multigroup indication mechanism is sent is in same light
Learn and be imaged on component.
14. the display device of augmented reality equipment according to claim 1, it is characterised in that the augmented reality equipment
Display device include light intensity detector, the light intensity detector is used to sense the light of feux rouges, green glow, blue light in the ambient light
Strong ratio, and adjust the intensity that first light source sends corresponding color light, so that the feux rouges, green that first light source is sent
Light, blue light light intensity ratio it is consistent with the ambient light.
15. a kind of augmented reality equipment, it is characterised in that set including the augmented reality described in claim 1-14 any one
Standby display device.
16. augmented reality equipment according to claim 15, it is characterised in that the augmented reality equipment includes the helmet,
The display device of the augmented reality equipment is arranged on the helmet.
17. a kind of head-up display, it is characterised in that including the augmented reality equipment described in claim 1-14 any one
Display device.
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| CN201710455696.0A CN107085306B (en) | 2017-06-15 | 2017-06-15 | Display device of augmented reality equipment, augmented reality equipment and head-up display |
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