CN108803023A

CN108803023A - The nearly eye display module of simple eye big visual field, display methods and head-mounted display apparatus

Info

Publication number: CN108803023A
Application number: CN201810149466.6A
Authority: CN
Inventors: 周旭东; 宋海涛
Original assignee: Chengdu Idealsee Technology Co Ltd
Current assignee: Chengdu Idealsee Technology Co Ltd
Priority date: 2018-02-13
Filing date: 2018-02-13
Publication date: 2018-11-13
Anticipated expiration: 2038-02-13
Also published as: CN108803023B

Abstract

The invention discloses the nearly eye display module of simple eye big visual field, including at least two image sources, eyepiece optics device and tablet optical waveguide, the image that each image source is emitted is the different piece for constituting the complete image that one has corresponding big field angle；Planar optics waveguide has input coupler, relay part and the output coupler being arranged in a one-to-one correspondence with eyepiece optics device, each output coupler mutually splices to external diffraction or the image with corresponding sub- field angle of reflection, constitutes a complete image with corresponding big visual angle.The big field angle of the complete image is to merge to obtain from each output coupler to the corresponding sub- field angle of the image of external diffraction or reflection, which has the complete image of corresponding big field angle corresponding to one that the subgraph that each image source is emitted is constituted.

Description

The nearly eye display module of simple eye big visual field, display methods and head-mounted display apparatus

Technical field

The present invention relates to augmented reality display technology fields, more particularly to big visual field near-eye display device.

Background technology

Augmented reality (AR) shows that equipment allows users to watch week through the transparent or semitransparent display of equipment The environment enclosed, and also see that the image that display generates is covered on ambient enviroment.This kind of equipment is usually that wear-type is aobvious Show device (HMD) glasses or other wearable display equipment.Equipment usually transmits image, the light of display using optical waveguide It needs to be coupled into optical waveguide by input coupler, while needing setting intermediate member to carry out extended pupil again in optical waveguide, The structure of existing input coupler and intermediate member makes the diagonal angles of visual field of the image of input no more than 35 degree, especially The restriction of intermediate member structure, thus existing augmented reality shows the diagonal angles of visual field of equipment usually only 14-34 degree.Also have The prior art is carried out by will show that the image of equipment input splits into two-way in optical waveguide by an input coupling portion It propagates, and is projected by output coupling portion to assemble, to reach the effect for increasing augmented reality and showing equipment diagonal angles of visual field Fruit.But this technology is limited by the structure in input coupling portion, is only capable of extending to field angle close to 70 degree, cannot still reach people To augmented reality show the big visual field of equipment expectation, cannot meet the needs of consumption market.And the image in input coupling portion It splits and the convergence in output coupling portion brings and assembles the non-uniform technical problem of brightness of image again.

Invention content

The purpose of the present invention is to provide a kind of nearly eye display technologies of big visual field, and big visual field is realized by the way of splicing Nearly eye is shown.

In order to achieve the above-mentioned object of the invention, one aspect of the present invention provides a kind of simple eye big visual field nearly eye display module, including

At least two image sources, each image source are used to the light beam that transmitting forms image, the figure that each image source is emitted As to constitute a different piece with the complete image of corresponding big field angle, the light beam of each image source transmitting is formed by Image has corresponding sub- field angle；

The eyepiece optics device being arranged in a one-to-one correspondence with image source, is configured as the whole for emitting corresponding image source Light beam is collimated and is injected planar optics waveguide,

Planar optics waveguide has input coupler, relay part and the output being arranged in a one-to-one correspondence with eyepiece optics device Input coupler corresponding with the image source in coupler, each image source and tablet optical waveguide and planar optics waveguide, Relay part and output coupler constitute a display subsystem,

Input coupler be configured as it is that corresponding eyepiece optics device is emitted, be used to form with corresponding sub- field angle Whole light beam couplings of image enter planar optics waveguide, make the light beam in planar optics by diffraction or each light beam of reflection Meet the inner full-reflection condition of the planar optics waveguide in waveguide, and each light beam guided to corresponding relay part, Relay part is directed to corresponding output coupler by diffraction or each light beam of reflection, by each light beam, and output coupler will Each light beam is to external diffraction or reflection so that each light beam is unsatisfactory for the inner full-reflection condition of planar optics waveguide, described defeated Go out coupler to leave planar optics waveguide to whole light beams of external diffraction or reflection and form image, the image and respective image source The image of transmitting is corresponding and with corresponding sub- field angle；

Each display subsystem has the emergent pupil for partially overlapping or all overlapping, and each output coupler is to external diffraction or instead The image with corresponding sub- field angle penetrated mutually splices, and constitutes a complete image with corresponding big visual angle, the complete graph The big field angle of picture is to merge to obtain from each output coupler to the corresponding sub- field angle of the image of external diffraction or reflection, this is complete Whole image has the complete image of corresponding big field angle opposite to one that the subgraph that each image source is emitted is constituted It answers.The emergent pupil center of each display subsystem is respectively positioned on the pupil center of the eyes of user, so that each output coupler will Being formed, there is the light beam of the image of corresponding sub- field angle to be directed on the eyes of user.

To which the image that each image source is respectively used in some visual field scope is shown, and by image mosaic, increase The simple eye field angle of equipment.Since the present invention is the progress image fractionation at image source, and use input coupling grating and output Coupling grating corresponds the structure of configuration with image source, thus the quantity of image source is unrestricted, each output of the invention Coupling grating can export maximum 35 ° or so of diagonal angles of visual field, thus the present invention can integrally obtain in target zone All field angles, be far longer than existing equipment attainable 70 ° of the limit.An output coupling is also not present in the present invention simultaneously Grating needs the problem of assembling two incident light electron guns, and the brightness of image uniformity of output does not need additional regulating member Or image source modulation.

Each light beam carry out level that the relay part is configured as being directed onto relay part expands and vertically expands One kind in beam expands, and the output coupler is configured as being directed onto each light beam carry out level expansion of output coupler Beam and the another kind in vertically expanding expand.

Further, the image of each image source transmitting orientation and the image residing in the complete image of its composition Output coupler corresponding to source orientation residing in planar optics waveguide is consistent.So that each output coupler is outside The image that diffraction or the light beam of reflection are formed, which is in, is spliced to form complete image desired position.

It is further alternative, relay part be directed to by diffraction or reflection relay part each light beam make it is described Light beam meets the inner full-reflection condition of the planar optics waveguide in planar optics waveguide, and each light beam is guided to phase The output coupler answered.

The output coupler of planar optics waveguide is configured in the simple eye front of user, simple eye to user visible to be formed Image.Planar optics waveguide is substantially transparent, so that user can not only watch the image from image source, it can also be thoroughly Cross image of the planar optics waveguide viewing from real world.So that the present invention, which can be used for augmented reality, shows equipment, it will The image superposition being spliced to form reaches in real world and improves the technique effect that enhancing shows equipment field angle.

After being relative to the location of planar optics waveguide with eyes of user, the planar optics waveguide includes front and back Two surfaces being mutually parallel.Input coupler, relay part and the output coupler of planar optics waveguide can be laid in flat The surface or inside of plate optical waveguide.Before image source and corresponding eyepiece optics device both can be laid in planar optics waveguide Side can also be laid in the rear side of planar optics waveguide.

The image source includes micro-display, and micro-display can be that digital light handles (DLP) display, liquid crystal on silicon (LCOS) appointing in display, LCD display, OLED display, optical fiber scanning display and MEMS scan image display systems Meaning is a kind of.The preferred micro-display uses optical fiber scanning display, has the characteristics that small, light-weight, knot It closes and needs to configure the objective feature in multiple images source in the present invention, practicability of the present invention, convenience is enabled to obviously to be carried It rises.And similar digital light processing (DLP) display, liquid crystal on silicon (LCOS) display, LCD display, OLED display, optical fiber Scanning display and MEMS scan image display systems all have the feature that modular construction is complicated, volume is big, weight is big, and one aobvious Show that system or module have just had sizable volume and weight using an aforementioned display device, especially for helmet, One display system cannot be easily accepted by a user using large volume, the big weight that two or more aforementioned display devices are brought.

The eyepiece optics device generally comprises collimation lens, is used to amplify the whole for being imaged and emitting image source Light beam is collimated, and whole light beams after collimation are injected planar optics waveguide, and further, whole light beams after collimation are penetrated To the input coupler of planar optics waveguide.

The nearly eye display module of described simple eye big visual field further includes image processor, be used for by it is to be shown, there is phase The complete image of big field angle is answered to be divided into multiple subgraphs corresponding with the quantity of image source and respective image space, each There is subgraph corresponding sub- field angle, image processor each subgraph is transferred to corresponding image source, each image source Its corresponding subgraph with respective field of vision angle is shown.To the light that planar optics waveguide emits image source Beam projects from corresponding output coupler, and what each output coupler projected there is the image of corresponding sub- field angle mutually to splice structure At the complete image with respective field of vision angle and to inject observer simple eye.Observer is simple eye receive be it is all have it is corresponding The complete image with corresponding big field angle that the image of sub- field angle is mutually spliced to form.

The image space of the image source refers to that the output coupler corresponding to it is residing in planar optics waveguide Orientation.

Preferably, the input coupler is input coupling grating, and the relay part is relaying grating, described Output coupling portion is output coupling grating.

Further, the nearly eye display module of the described simple eye big visual field, including

At least two optical fiber scanning displays, each optical fiber scanning display are used to the light beam that transmitting forms image, respectively The image that optical fiber scanning display is emitted is the different piece for constituting the complete image that one has corresponding big field angle, each The light beam of optical fiber scanning display emission, which is formed by image, has corresponding sub- field angle；

The eyepiece optics device being arranged in a one-to-one correspondence with optical fiber scanning display is configured as corresponding optical fiber scanning Whole light beams of display emission are collimated and are injected planar optics waveguide,

Planar optics waveguide has the input coupling grating being arranged in a one-to-one correspondence with eyepiece optics device, relaying grating and defeated Go out coupling grating, it is corresponding with the image source on each optical fiber scanning display and tablet optical waveguide and planar optics waveguide Input coupling grating, relaying one display subsystem of grating and output coupling optical grating constitution,

Input coupling grating be configured as it is that corresponding eyepiece optics device is emitted, be used to form with corresponding sub- field angle Whole light beam couplings of image enter planar optics waveguide, make the light beam in planar optics waveguide by each light beam of diffraction Inside meet the inner full-reflection condition of the planar optics waveguide, and each light beam is guided to corresponding relaying grating, relaying Grating is directed to corresponding output coupling grating by each light beam of diffraction, by each light beam, and output coupling grating is by each light Beam is to external diffraction so that each light beam is unsatisfactory for the inner full-reflection condition of planar optics waveguide, the output coupling grating to Whole light beams of external diffraction leave planar optics waveguide and form image, the figure of the image and corresponding optical fiber scanning display emission As corresponding and with corresponding sub- field angle；

Each display subsystem has the emergent pupil that partially overlaps or all overlap, and each output coupling grating is to external diffraction Image with corresponding sub- field angle mutually splices, and constitutes a complete image with corresponding big visual angle, the complete image Big field angle is to merge to obtain from each output coupling grating to the corresponding sub- field angle of the image of external diffraction, the complete image with The complete image with corresponding big field angle that the subgraph that each optical fiber scanning display is emitted is constituted is opposite It answers.

Preferably, the input coupler is input coupling reflecting part, and the relay part is relaying reflecting part, institute The output coupling portion stated is output coupling reflecting part.

Planar optics waveguide has the input coupling reflecting part being arranged in a one-to-one correspondence with eyepiece optics device, relaying reflecting part With output coupling reflecting part,

Input coupling reflecting part be configured as it is that corresponding eyepiece optics device is emitted, be used to form with corresponding sub- visual field Whole light beam couplings of the image at angle enter planar optics waveguide, make the light beam in planar optics wave by reflecting each light beam The interior inner full-reflection condition for meeting the planar optics waveguide is led, and each light beam is guided to corresponding relaying reflecting part, Reflecting part is relayed by reflecting each light beam, each light beam is directed to corresponding output coupling reflecting part, output coupling reflection Portion is by each light beam to external reflectance so that each light beam is unsatisfactory for the inner full-reflection condition of planar optics waveguide, the output Coupled reflection portion leaves planar optics waveguide to whole light beams of external reflectance and forms image, and the image is aobvious with corresponding optical fiber scanning Show that the image of device transmitting is corresponding and has corresponding sub- field angle；

Each output coupling reflecting part mutually splices to the image with corresponding sub- field angle of external reflectance, and constituting one has The complete image at corresponding big visual angle, the big field angle of the complete image is the image phase from each output coupling reflecting part to external reflectance Corresponding sub- field angle merges to obtain, which is constituted with the subgraph that each optical fiber scanning display is emitted One has the complete image of corresponding big field angle corresponding.

Further alternative, the relaying reflecting part and output coupling reflecting part is to be set in planar optics waveguide It is multiple along light path successively it is disposed in parallel can anti-permeable membrane layer, the input coupling reflecting part is plane mirror or to be all-trans Penetrate film layer.

Another aspect of the present invention provides a kind of simple eye big visual field nearly eye display methods, including：

S1, at least two image sources emit the light beam for forming the image with the corresponding rink corners Zi Shi, all image source hairs The light beam penetrated is formed by image and may make up a complete image with corresponding big field angle；

The light beam that S2, each image source emit all injects planar optics after the eyepiece optics device collimation through being correspondingly arranged The corresponding input coupler of waveguide；It is that corresponding eyepiece optics device is emitted by each input coupler, be used to form with corresponding son Whole light beam couplings of the image of field angle enter planar optics waveguide, by diffraction or reflection each light beam the light beam are existed Meet the inner full-reflection condition of the planar optics waveguide in planar optics waveguide, and each light beam is guided in corresponding After component, each light beam is directed to corresponding output coupler, exports coupling by relay part by diffraction or each light beam of reflection Clutch is by each light beam to external diffraction or reflection so that and each light beam is unsatisfactory for the inner full-reflection condition of planar optics waveguide, The output coupler leaves planar optics waveguide to whole light beams of external diffraction or reflection and forms image, the image with it is corresponding The image of image source transmitting is corresponding and with corresponding sub- field angle, each image source and tablet optical waveguide and planar optics Input coupler corresponding with the image source, relay part and output coupler constitute a display subsystem in waveguide, respectively Display subsystem has the emergent pupil that partially overlaps or all overlap, and each output coupler has phase to external diffraction or reflection It answers the image of sub- field angle mutually to splice, constitutes a complete image with corresponding big visual angle, the big visual field of the complete image Angle is to merge to obtain from each output coupler to the corresponding sub- field angle of the image of external diffraction or reflection, the complete image and institute Stating one that the subgraph that each image source is emitted is constituted has the complete image of corresponding big field angle corresponding.

Further, the relay part is directed onto each light beam carry out level of relay part and expands and vertically expand One kind in beam expands, and each light beam carry out level that the output coupler is directed onto output coupler expands and vertically Another kind in expanding expands.

The nearly eye display module of above-mentioned simple eye big visual field can be incorporated into mixed reality and show that equipment or augmented reality are shown In equipment, but not limited to this.The single embodiment of the nearly eye display module of above-mentioned simple eye big visual field can be supplied to the left eye of user With each in right eye.Thus another aspect of the present invention provides a kind of head-mounted display apparatus, including any one above-mentioned The nearly eye display module of simple eye big visual field and the component of wearing for being worn on user's head, the nearly eye display module peace of simple eye big visual field It wears on component and is oriented on the eyes that its output coupler directs the light beam into wearer mounted in described.

There are one the nearly eye display module of simple eye big visual field, the nearly eye of simple eye big visual field is shown the described head-mounted display apparatus tool Module is oriented its output coupler and directs the light beam on the left eye or right eye of wearer.

There are two the nearly eye display module of simple eye big visual field, one of them simple eye big visual fields for the described head-mounted display apparatus tool Nearly eye display module is oriented its output coupler and directs the light beam on the left eye of wearer, another simple eye big visual field Nearly eye display module is oriented its output coupler and directs the light beam on the right eye of wearer.

A planar optics waveguide is shared as the nearly eye display module of the simple eye big visual field of a preferred embodiment two, so The input coupling of the nearly eye display module of two simple eye big visual fields is respectively arranged at the required position of the planar optics waveguide afterwards Device, relay part, output coupler.

It is described to wear component to include frame, the helmet or headband etc. be worn on the component in account.

Each image source of the nearly eye display module of the big visual field and its corresponding eyepiece optics device, which can be located at, to be worn The side of component is located at the outside of two eyes of user；The top of the bridge of the nose of user can also be located at；It can also be located at and use Above or below the eyes of two, family.Being preferably located at does not influence the position in the user visual field.Due to the application image source and Its corresponding eyepiece optics device can be located at the rear side of planar optics waveguide or the front side positioned at planar optics waveguide, Thus required amount of image source and its corresponding eyepiece optics device can be easily set on wearing component.Further , as preferred image source, optical fiber scanning display is small, light-weight feature so that practicability of the invention is into one Step is promoted so that head-mounted display apparatus of the invention has good display performance and wearing comfort simultaneously.

One or more technical solution in the embodiment of the present invention, at least has the following technical effect that or advantage：

The image that each image source is respectively used in some visual field scope is shown, and by image mosaic, increases equipment Simple eye field angle.Since the present invention is the progress image fractionation at image source, and use input coupling grating and output coupling Grating corresponds the structure of configuration with image source, thus the quantity of image source is unrestricted, can obtain the institute in target zone There is field angle.The problem of present invention also needs to assemble two incident light electron guns there is no an output coupling grating simultaneously, output Brightness of image uniformity, do not need additional regulating member or image source modulation.

Description of the drawings

Figure 1A is a kind of overlooking structure diagram of embodiment of the nearly eye display module of simple eye big visual field of the present invention；

Figure 1B is the planar optics waveguiding structure schematic diagram of Figure 1A illustrated embodiments；

Fig. 1 C are the left view structural representation of Figure 1A illustrated embodiments；

Fig. 1 D are the planar optics waveguiding structure of another embodiment of the nearly eye display module of simple eye big visual field of the present invention Schematic diagram；

Fig. 1 E are the planar optics waveguiding structure of the third embodiment of the nearly eye display module of simple eye big visual field of the present invention Schematic diagram；

Fig. 1 F are the planar optics waveguiding structure of the 4th kind of embodiment of the nearly eye display module of simple eye big visual field of the present invention Schematic diagram；

Fig. 1 G are the structural representation for the nearly eye display module of simple eye big visual field that graphics sources are divided into planar optics waveguide both sides Figure；

Fig. 2A is the structural schematic diagram using the nearly eye display module of simple eye big visual field of optical grating construction；

Fig. 2 B are the left view structural representation of Fig. 2A illustrated embodiments；

Fig. 2 C are the structural schematic diagram for the embodiment that the planar optics waveguide constituted is stacked using three monochromatic waveguides；

Fig. 2 D are the structural schematic diagram of the left view of Fig. 2 C illustrated embodiments；

Fig. 3 A are the structural schematic diagram using the nearly eye display module of simple eye big visual field of catoptric arrangement；

Fig. 3 B are the left view structural representation of Fig. 3 A illustrated embodiments；

Fig. 3 C are to be divided into the nearly eyes of simple eye big visual field of planar optics waveguide both sides using catoptric arrangement and graphics sources to show The structural schematic diagram of module.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.

With reference to figure 1A, 1B, 1C, one aspect of the present invention provides a kind of simple eye big visual field nearly eye display module, including

At least two image sources 11, each image source 11 are used to the light beam that transmitting forms image, and each image source 11 is sent out The image penetrated is the different piece for constituting the complete image that one has corresponding big field angle, the light beam that each image source 11 emits Being formed by image has corresponding sub- field angle；

The eyepiece optics device 12 being arranged in a one-to-one correspondence with image source 11 is configured as emitting corresponding image source 11 Whole light beams collimated and injected planar optics waveguide 13,

Planar optics waveguide 13 has the input coupler 131 being arranged in a one-to-one correspondence with eyepiece optics device 12, relay In part 132 and output coupler 133, each image source 11 and tablet optical waveguide 13 and planar optics waveguide 13 with the image source Corresponding input coupler 131, relay part 312 and output coupler 133 constitute a display subsystem,

Input coupler 131 be configured as it is that corresponding eyepiece optics device 12 is emitted, be used to form and regarded with corresponding son Whole light beam couplings of the image of rink corner enter planar optics waveguide 13, by diffraction or reflection each light beam the light beam are existed Meet the inner full-reflection condition of the planar optics waveguide in planar optics waveguide 13, and each light beam is guided to corresponding Each light beam is directed to corresponding output coupling by relay part 132, relay part 132 by diffraction or each light beam of reflection Device 133, output coupler 133 is by each light beam to external diffraction or reflection so that each light beam is unsatisfactory for planar optics waveguide Inner full-reflection condition, the output coupler 133 leave planar optics waveguide 13 simultaneously to external diffraction or whole light beams of reflection Image is formed, the image is corresponding with the image that respective image source 11 emits and has corresponding sub- field angle；

Each display subsystem has the emergent pupil that partially overlaps or all overlap, and each output coupler 133 is to external diffraction Or the image with corresponding sub- field angle of reflection mutually splices, and constitutes a complete image with corresponding big visual angle, this is complete The big field angle of whole image is merged from each output coupler 133 to the corresponding sub- field angle of the image of external diffraction or reflection It arrives, which has the complete of corresponding big field angle to one that the subgraph that each image source 11 is emitted is constituted Image is corresponding.The emergent pupil center of each display subsystem is respectively positioned on the pupil center of the eyes of user, so that each output Coupler 133 will be formed, and there is the light beam of the image of corresponding sub- field angle to be directed on the eyes of user.

To which the image that each image source 11 is respectively used in some visual field scope is shown, and by image mosaic, increase The simple eye field angle of big equipment.Due to the present invention be at image source 11 progress image fractionation, and use input coupling grating and Output coupling grating corresponds the structure of configuration with image source 11, thus the quantity of image source 11 is unrestricted, of the invention Each output coupling grating can export maximum 35 ° or so of diagonal angles of visual field, thus the present invention can integrally obtain target All field angles in range, be far longer than existing equipment attainable 7 ° of the limit.The present invention is also not present one simultaneously Output coupling grating needs the problem of assembling two incident light electron guns, the brightness of image uniformity of output, need not be additional Regulating member or image source 11 are modulated.

As shown in Figure 1B, Fig. 1 D, Fig. 1 F, Fig. 1 E, the number of image source 11 can be two, three, four or arbitrarily more It is a.According to the use needs of equipment, multiple output couplers 133 can be arranged in the form of arbitrarily needing, such as： It can be arranged in order, can also vertically be arranged in order in the horizontal direction, can also be arranged in arrays etc., to realize The horizontal splicing of each exit image, vertically splicing, matrix splicing etc..Each described one general image of display of image source 11 Topography, last multiple topographies are spliced to form complete general image, to increase the simple eye field angle of equipment.It is described In at least two image sources 11, the topography that any two image source 11 is shown can horizontal splicing or vertical splicing.For example, For the topography that the image source 11 of any two level splicing is shown, the topography that one of image source 11 is shown Horizontal field of view angle be a °-b °, another image source 11 display topography horizontal field of view angle be b °-c ° or d °-a °, then this The horizontal field of view angle for the horizontal spliced image of topography that two image sources 11 are shown is a °-c ° or d °-b °.Example again Such as, the topography shown for the image source 11 that any two is vertically spliced, the Local map that one of image source 11 is shown The vertical field of view angle of picture is a °-b °, and the vertical field of view angle of the topography of another image source 11 display is b °-c ° or d °-a °, Then the vertical field of view angle of the vertical spliced image of topography of the two image sources 11 display is a °-c ° or d °-b °.Together Reason, multiple topography's splicings can obtain target level field angle and target vertical field angle.

Such as shown in Figure 1A-Fig. 1 C, give that 11 quantity of image source is two, two output couplers 133 are along level side The structure chart for the embodiment spliced to the image level of arrangement, two image sources 11, the image of one of image source 11 pass through Corresponding field angle is zero degree to maximum horizontal field angle (such as 40 °), another image source 11 after planar optics waveguide 13 is transmitted Image transmitted by planar optics waveguide 13 after corresponding field angle be negative maximum horizontal field angle (such as -40 °) to zero degree, Positive and negative represents corresponding direction, and 80 ° of field angle can be realized by splicing.

As Fig. 1 D give 11 quantity of image source be four, four output couplers 133 are arranged in arrays, four image sources The structure chart for the embodiment that the image of 11 displays splices in matrix, the embodiment had both increased horizontal field of view angle, had also increased vertical Look at rink corner straight.As Fig. 1 E, 1F give, 11 quantity of image source is four, four output couplers 133 are arranged successively in the horizontal direction The structure chart of the embodiment for the image level splicing that row, four image sources 11 are shown, to increase horizontal field of view angle.

Preferably, output coupler 133 is located at the centre position of planar optics waveguide 13 as possible, but not limited to this. Input coupler 131 can be set to any position of planar optics waveguide 13, be not restricted by, but configuration image for convenience Source 11 and corresponding eyepiece optics device 12, and the influence to user's visual field is reduced as possible, input coupler 131 can be arranged In the edge or edge of planar optics waveguide 13.

The relay part 132 be configured as being directed onto relay part 132 each light beam carry out level expand and One kind in vertically expanding expands, and the output coupler 133 is configured as being directed onto each light of output coupler 133 Another kind during Shu Jinhang levels are expanded and vertically expanded expands.

It refers to will be incident to relay part 132 or output coupler 133 each that the level, which is expanded or vertically expanded, Light beam is extended to multiple parallel beamlets being arranged side by side in the horizontal direction of the light beam or multiple vertically arranges side by side The parallel beamlet of row, achievees the effect that the exit pupil diameter of extension light beam.

Further, the image that each image source 11 emits orientation residing in its described complete image constituted and the figure Output coupler 133 corresponding to image source 11 orientation residing in planar optics waveguide 13 is consistent.So that each output The image that coupler 133 is formed to external diffraction or the light beam of reflection, which is in, is spliced to form complete image desired position.

Further alternative, each light beam that relay part 132 is directed to relay part 132 by diffraction or reflection makes The light beam meets the inner full-reflection condition of the planar optics waveguide in planar optics waveguide 13, and by each light beam It guides to corresponding output coupler 133.

The output coupler 133 of planar optics waveguide 13 is configured in the simple eye front of user, simple eye to user to be formed Visible image.Planar optics waveguide 13 is substantially transparent, so that user can not only watch the figure from image source 11 Picture can also penetrate planar optics waveguide 13 and watch the image from real world.So that the present invention can be used for enhancing now It is real to show equipment, by the image superposition being spliced to form in real world, reaches and improve enhancing display equipment field angle Technique effect.

After being relative to the location of planar optics waveguide 13 with eyes of user, the planar optics waveguide 13 includes Former and later two surfaces being mutually parallel.Input coupler 131, relay part 132 and the output coupler of planar optics waveguide 13 133 can be laid in the surface or inside of planar optics waveguide 13.Image source 11 and corresponding eyepiece optics device 12 both can be with It is laid in the front side of planar optics waveguide 13, as shown in Figure 1A；It can also be laid in the rear side of planar optics waveguide 13, such as Fig. 1 G It is shown.

The image source 11 includes micro-display, and micro-display can be that digital light handles (DLP) display, silicon substrate liquid In brilliant (LCOS) display, LCD display, OLED display, optical fiber scanning display and MEMS scan image display systems Any one.The micro-display uses optical fiber scanning display, have the characteristics that it is small, light-weight, In conjunction with the objective feature for needing to configure multiple images source 11 in the present invention, practicability of the present invention, convenience is enabled to obtain bright It is aobvious to be promoted.And similar digital light processing (DLP) display, liquid crystal on silicon (LCOS) display, LCD display, OLED display, Optical fiber scanning display and MEMS scan image display systems all have the feature that modular construction is complicated, volume is big, weight is big, and one A display system or module have just had sizable volume and weight using an aforementioned display device, are set especially for wearing Standby, a display system cannot be easily accepted by a user using large volume, the big weight that two or more aforementioned display devices are brought.

The eyepiece optics device 12 generally comprises collimation lens, is used to amplify and is imaged and emits image source 11 Whole light beams are collimated, and whole light beams after collimation are injected planar optics waveguide 13, further, the whole after collimation The input coupler 131 of light beam directive planar optics waveguide 13.The area of input coupler 131 is penetrated more than eyepiece optics device 12 The diameter of the light beam gone out, to ensure eyepiece optics device 12 be emitted, be used to form the image with respective field of vision angle it is complete Portion's light beam coupling enters planar optics waveguide 13.

The nearly eye display module of described simple eye big visual field further includes image processor, be used for by it is to be shown, there is phase The complete image of big field angle is answered to be divided into multiple subgraphs corresponding with the quantity of image source 11 and respective image space, often There is a subgraph corresponding sub- field angle, image processor each subgraph is transferred to corresponding fibre optic scanner, each Image source 11 shows its corresponding subgraph with respective field of vision angle.To which, planar optics waveguide 13 is by image The light beam that source 11 emits projects from corresponding output coupler 133, and what each output coupler 133 projected has corresponding sub- visual field The image at angle is mutually spliced to form the complete image with respective field of vision angle and to inject observer simple eye.The simple eye reception of observer To being the complete image described in all images with corresponding sub- field angle are mutually spliced to form with corresponding field angle greatly.

The image space of the image source 11 refers to output coupler 133 corresponding to it in planar optics waveguide 13 Residing orientation.As previously mentioned, the side that the output coupler 133 corresponding to each image source 11 is residing in planar optics waveguide 13 Position is consistent with the orientation that the subgraph of the image source 11 transmitting is residing in the complete image of its composition, further, Also to by observer's monocular vision to the output coupler 133 image with corresponding sub- field angle that projects constituted at it Residing orientation is consistent in complete image.

S1, at least two image sources 11 emit the light beam for forming the image with the corresponding rink corners Zi Shi, all image sources The light beam of 11 transmittings is formed by image and may make up a complete image with corresponding big field angle；

Eyepiece optics device 12 of the light beam that S2, each image source 11 emit through being correspondingly arranged all injects tablet after collimating The corresponding input coupler 131 of optical waveguide 13；It is that corresponding eyepiece optics device 12 is emitted by each input coupler 131, be used for Being formed, there are whole light beam couplings of the image of corresponding sub- field angle to enter planar optics waveguide 13, pass through diffraction or each light of reflection Beam makes the light beam meet the inner full-reflection condition of the planar optics waveguide in planar optics waveguide 13, and will be each Light beam is guided to corresponding relay part 132, and relay part 132 is guided each light beam by diffraction or each light beam of reflection To corresponding output coupler 133, output coupler 133 is by each light beam to external diffraction or reflection so that each light beam is discontented The inner full-reflection condition of sufficient planar optics waveguide, the output coupler 133 leave to external diffraction or whole light beams of reflection Planar optics waveguide 13 simultaneously forms image, and the image which emits with respective image source 11 is corresponding and is regarded with corresponding son Input coupling corresponding with the image source in rink corner, each image source 11 and tablet optical waveguide 13 and planar optics waveguide 13 Device 131, relay part 132 and output coupler 133 constitute a display subsystem, each display subsystem have partially overlap or The emergent pupil all overlapped, each output coupler 133 are mutual to external diffraction or the image with corresponding sub- field angle of reflection Splicing constitutes a complete image with corresponding big visual angle, and the big field angle of the complete image is by each output coupler 133 Merge to obtain to the corresponding sub- field angle of image of external diffraction or reflection, which is emitted with each image source 11 Subgraph constituted one have the complete image of corresponding big field angle corresponding.

Further, the relay part 132 be directed onto relay part 132 each light beam carry out level expand and One kind in vertically expanding expands, and each light beam that the output coupler 133 is directed onto output coupler 133 carries out water Flat expand expands with the another kind in vertically expanding.

The nearly eye display module of above-mentioned simple eye big visual field can be incorporated into mixed reality and show that equipment or augmented reality are shown In equipment, but not limited to this.The single embodiment of the nearly eye display module of above-mentioned simple eye big visual field can be supplied to the left eye of user With each in right eye.Thus another aspect of the present invention provides a kind of head-mounted display apparatus, including any one above-mentioned The nearly eye display module of simple eye big visual field and the component of wearing for being worn on user's head, the nearly eye display module peace of simple eye big visual field It wears on component and is oriented on the eyes that its output coupler 133 directs the light beam into wearer mounted in described.

There are one the nearly eye display module of simple eye big visual field, the nearly eye of simple eye big visual field is shown the described head-mounted display apparatus tool Module is oriented its output coupler 133 and directs the light beam on the left eye or right eye of wearer.

There are two the nearly eye display module of simple eye big visual field, one of them simple eye big visual fields for the described head-mounted display apparatus tool Nearly eye display module is oriented its output coupler 133 and directs the light beam on the left eye of wearer, another is simple eye big The nearly eye display module of visual field is oriented its output coupler 133 and directs the light beam on the right eye of wearer.

A planar optics waveguide 13 is shared as the nearly eye display module of the simple eye big visual field of a preferred embodiment two, Then the input of the nearly eye display module of two simple eye big visual fields is respectively arranged at the required position of the planar optics waveguide 13 Coupler 131, relay part 132, output coupler 133.

Each image source 11 and its corresponding eyepiece optics device 12 of the nearly eye display module of the big visual field can be located at The side for wearing component is located at the outside of two eyes of user；The top of the bridge of the nose of user can also be located at；It can also position Above or below two eyes of user.Being preferably located at does not influence the position in the user visual field.Due to the image of the application Source 11 and its corresponding eyepiece optics device 12 can be located at the rear side of planar optics waveguide 13 or be located at planar optics The front side of waveguide 13, thus required amount of image source 11 and its corresponding eyepiece light can be easily set on wearing component Learn device 12.Further, as preferred image source 11, the feature that optical fiber scanning display is small, light-weight so that this The practicability of invention is further promoted so that head-mounted display apparatus of the invention has good display performance and wearing simultaneously Comfort.

Be by optical fiber scanning display, input coupler of the micro-display that image source includes below input coupling grating, Relay part is for relaying grating, output coupling portion are output coupling grating, to the nearly eye display module of simple eye big visual field do into One step explanation.It is to be noted that image source, input coupler, relay part, output coupling portion are not limited to example as above, Above example is only used for that explanation is further expalined to above-mentioned component, and the example of above-mentioned any one component can be changed to other can The replacement component of choosing.

Specifically, in conjunction with shown in Fig. 2A, 2B, a kind of nearly eye display module of simple eye big visual field, including

At least two optical fiber scanning displays 21, each optical fiber scanning display 21 are used to the light that transmitting forms image Beam, the image that each optical fiber scanning display 21 is emitted are the different portions for constituting the complete image that one has corresponding big field angle Point, the light beam that each optical fiber scanning display 21 emits, which is formed by image, has corresponding sub- field angle；

The eyepiece optics device 22 being arranged in a one-to-one correspondence with optical fiber scanning display 21 is configured as corresponding optical fiber Whole light beams that scanning display 21 emits are collimated and are injected planar optics waveguide 23,

Planar optics waveguide 23 has the input coupling grating 231 being arranged in a one-to-one correspondence with eyepiece optics device 22, relaying Grating 232 and output coupling grating 233, each optical fiber scanning display 21 and tablet optical waveguide 23 and planar optics waveguide 23 Upper input coupling grating 231 corresponding with the image source, relaying grating 232 and output coupling grating 233 constitute a display Subsystem,

Input coupling grating 231 be configured as it is that corresponding eyepiece optics device 22 is emitted, be used to form with corresponding son Whole light beam couplings of the image of field angle enter planar optics waveguide 23, make the light beam in tablet by each light beam of diffraction Meet the inner full-reflection condition of the planar optics waveguide in optical waveguide 23, and each light beam is guided to corresponding relaying Grating 232, each light beam is directed to corresponding output coupling grating 233 by relaying grating 232 by each light beam of diffraction, defeated Go out coupling grating 233 by each light beam to external diffraction so that each light beam is unsatisfactory for the inner full-reflection item of planar optics waveguide Part, the output coupling grating 233 leave planar optics waveguide 23 to whole light beams of external diffraction and form image, the image with The image of corresponding 21 transmitting of optical fiber scanning display is corresponding and with corresponding sub- field angle；

There is each display subsystem the emergent pupil for partially overlapping or all overlapping, each output coupling grating 233 to spread out outward The image with corresponding sub- field angle penetrated mutually splices, and constitutes a complete image with corresponding big visual angle, the complete graph The big field angle of picture is to merge to obtain from each output coupling grating 233 to the corresponding sub- field angle of the image of external diffraction, this is complete Whole image has the complete of corresponding big field angle to one that the subgraph that each optical fiber scanning display 21 is emitted is constituted Whole image is corresponding.

To which the image that each optical fiber scanning display 21 is respectively used in some visual field scope is shown, and pass through image Splicing, increases the simple eye field angle of equipment.

The relaying grating 232 be configured as being directed onto relaying grating 232 each light beam carry out level expand and One kind in vertically expanding expands, and the output coupling grating 233 is configured as being directed onto the every of output coupling grating 233 Another kind during one light beam carry out level is expanded and vertically expanded expands.

It refers to that will be incident to each light beam of grating along the width of the grating that the level, which is expanded or vertically expanded, Direction is directed on multiple extended areas of the grating, and multiple extended areas of grating realize the extension to each light beam, with The multiple parallel beamlets for forming the light beam, achieve the effect that the exit pupil diameter of extension light beam.The light expanded for carry out level For grid, multiple extended areas of the grating are set gradually in the horizontal direction, for the grating vertically expanded, the light Multiple extended areas of grid are vertically set gradually.Diffraction efficiency realization by adjusting each expansion area expands and ensures to expand Put on display the brightness uniformity of pupil.

Further, the subgraph that each optical fiber scanning display 21 emits is residing in described complete image of its composition The orientation orientation phase residing in planar optics waveguide 23 with the output coupling grating 233 corresponding to the optical fiber scanning display 21 Unanimously.So that the image that each output coupling grating 233 is formed to the light beam of external diffraction is in and is spliced to form complete image Desired position.

It is further alternative, relaying grating 232 be directed to by diffraction relaying grating 232 each light beam make it is described Light beam meets the inner full-reflection condition of the planar optics waveguide in planar optics waveguide 23, and by each light beam guide to Corresponding output coupling grating 233.

The output coupling grating 233 of planar optics waveguide 23 is configured in the simple eye front of user, to be formed to user's list The visible image of eye.Planar optics waveguide 23 is substantially transparent, is shown from optical fiber scanning so that user can not only watch Show the image of device 21, planar optics waveguide 23 can also be penetrated and watch the image from real world.So that the present invention can Equipment is shown for augmented reality, by the image superposition being spliced to form in real world, is reached raising enhancing display and is set The technique effect of standby field angle.

After being relative to the location of planar optics waveguide 23 with eyes of user, the planar optics waveguide 23 includes Former and later two surfaces being mutually parallel.Input coupling grating 231, relaying grating 232 and the output coupling of planar optics waveguide 23 Grating 233 can be laid in the surface or inside of planar optics waveguide 23.Optical fiber scanning display 21 and corresponding eyepiece optics Device 22 can both be laid in the front side of planar optics waveguide 23, can also be laid in the rear side of planar optics waveguide 23.Input Coupling grating 231, relaying grating 232 and output coupling grating 233 can be transmission grating or reflecting grating, according to above-mentioned grating The difference of installation position and the grating for needing to select respective type of light path.

The eyepiece optics device 22 generally comprises collimation lens, is used to amplify imaging and by optical fiber scanning display Whole light beams of 21 transmittings are collimated, and whole light beams after collimation are injected planar optics waveguide 23, further, collimation The input coupling grating 231 of whole light beam directive planar optics waveguides 23 afterwards.The area of input coupling grating 231 is more than eyepiece Optical device 22 project light beam diameter, to ensure eyepiece optics device 22 be emitted, be used to form with respective field of vision Whole light beam couplings of the image at angle enter planar optics waveguide 23.

The nearly eye display module of described simple eye big visual field further includes image processor, be used for by it is to be shown, there is phase The complete image of big field angle is answered to be divided into corresponding multiple with the quantity of optical fiber scanning display 21 and respective image space There is corresponding sub- field angle, image processor each subgraph is transferred to corresponding optical fiber and is swept for subgraph, each subgraph Device is retouched, each optical fiber scanning display 21 shows its corresponding subgraph with respective field of vision angle.To tablet The light beam that optical waveguide 23 emits optical fiber scanning display 21 projects from corresponding output coupling grating 233, respectively exports coupling The image with corresponding sub- field angle that closing light grid 233 project mutually is spliced to form the complete image with respective field of vision angle simultaneously It is simple eye to inject observer.Simple eye receive of observer is all institutes that there is the image of corresponding sub- field angle to be mutually spliced to form State the complete image with corresponding big field angle.

The image space of the optical fiber scanning display 21 refers to output coupling grating 233 corresponding to it in tablet light Learn orientation residing in waveguide 23.As previously mentioned, the output coupling grating 233 corresponding to each optical fiber scanning display 21 is in tablet The complete image that residing orientation and the subgraph of the optical fiber scanning display 21 transmitting are constituted at it in optical waveguide 23 In residing orientation it is consistent, further, also with by observer's monocular vision to the tool that projects of the output coupling grating 233 The orientation for having the image of corresponding sub- field angle residing in the complete image of its composition is consistent.

Further alternative, in some embodiments of the present invention, the planar optics waveguide 23 is by multiple monochromatic waves It leads to stack and constitute, each monochrome waveguide is by monochromatic input coupling grating by the image phase with incident planar optics waveguide 23 During a corresponding monochrome is led optically coupling to monochromatic wave, each monochromatic light is in each corresponding monochromatic waveguide by monochromatic relaying light It is projected after grid, monochromatic output coupling grating, planar optics waveguide 23 can be made of three monochromatic waveguide stackings, can also be less than Three or more than three waveguide.

With reference to shown in figure 2C, 2D, it is stacked as example with three waveguides and illustrates, planar optics waveguide 23 includes along light path The first monochromatic planar optics waveguide 23a, the second monochrome planar optics waveguide 23b and the third monochrome planar optics wave set gradually Lead 23c, the first monochromatic planar optics waveguide 23a, the second monochrome planar optics waveguide 23b and third monochrome planar optics waveguide 23c is individually configured to conduct each monochromatic light corresponding with the image of incident planar optics waveguide 23, export.

The input coupling grating 231 include the first monochromatic input coupling grating 2311 set gradually along light path, Second monochromatic input coupling grating 2312 and third monochrome input coupling grating 2313.First monochromatic input coupling grating 2311 is set It is placed on the first monochromatic planar optics waveguide 23a, for single by corresponding with the image of incident planar optics waveguide 23 first Coloured light is coupled in the first monochromatic planar optics waveguide 23a；It is monochromatic flat that second monochromatic input coupling grating 2312 is set to second On plate optical waveguide 23b, for monochromatic optically coupling to second by corresponding with the image of incident planar optics waveguide 23 second In monochromatic planar optics waveguide 23b；Third monochrome input coupling grating 2313 is set to third monochrome planar optics waveguide 23c On, it is used for third monochrome corresponding with the image of incident planar optics waveguide 23 optically coupling to third monochrome planar optics wave It leads in 23c.

It is incident when the light beam of incident planar optics waveguide 23 is along from the first monochromatic planar optics waveguide 23a side incidences Light beam passes through first the 2311, second monochromatic input coupling grating 2312 of monochromatic input coupling grating successively and third monochrome inputs coupling The diffraction of closing light grid 2313；When the light beam edge of incident planar optics waveguide 23 enters from the sides third monochrome planar optics waveguide 23c When penetrating, incident beam passes through the 2313, second monochrome input coupling of third monochrome input coupling grating grating 2312 and first successively The diffraction of monochromatic input coupling grating 2311.

The output coupling grating 233 include the first monochromatic output coupling grating 2331 set gradually along light path, Second monochromatic output coupling grating 2332 and third monochrome output coupling grating 2333.First monochromatic output coupling grating 2331 is set It is placed on the first monochromatic planar optics waveguide 23a, for single by corresponding with the image of incident planar optics waveguide 23 first The monochromatic planar optics waveguide 23a of coloured light decoupling first；Second monochromatic output coupling grating 2332 is set to the second monochromatic tablet light It learns on waveguide 23b, for second monochromatic light decoupling corresponding with the image of incident planar optics waveguide 23 second is monochromatic flat Plate optical waveguide 23b；Third monochrome output coupling grating 2333 is set on third monochrome planar optics waveguide 23c, and being used for will Third monochromatic light decoupling third monochrome planar optics waveguide 23c corresponding with the image of incident planar optics waveguide 23.

First the 2331, second monochromatic output coupling grating 2332 of monochromatic output coupling grating and third monochrome output coupling light The direction of 2333 outgoing beam of grid is towards the side residing for eyes of user.Such as the first monochromatic output coupling grating 2331, second Monochromatic output coupling grating 2332 and third monochrome output coupling grating 2333 are to the first monochrome sides planar optics waveguide 23a Outgoing beam or first the 2331, second monochromatic output coupling grating 2332 of monochromatic output coupling grating and third monochrome output coupling Grating 2333 is to the sides third monochrome planar optics waveguide 23c outgoing beam.

The relaying grating 232 include be set to the first monochromatic planar optics waveguide 23a upper first relay grating 2321, Second be set on the second monochromatic planar optics waveguide 23b relays grating 2322 and is set to third monochrome planar optics waveguide Third on 23c relays grating 2323.First monochromatic input coupling grating 2311 is coupled into first by the first relaying grating 2321 Monochromatic planar optics waveguide 23a simultaneously spreads out in the first monochromatic light of the first monochromatic planar optics waveguide 23a inner total reflections transmission It penetrates, it is made to be transmitted to the first monochromatic output coupling grating 2331 in the first monochromatic planar optics waveguide 23a inner total reflections；In second Second monochromatic input coupling grating 2312 is coupled into the second monochrome planar optics waveguide 23b and in the second list after grating 2322 Second monochromatic light of color planar optics waveguide 23b inner total reflections transmission carries out diffraction, makes it in the second monochromatic planar optics waveguide 23b inner total reflections are transmitted to the second monochromatic output coupling grating 2332；Third relays grating 2323 by third monochrome input coupling Grating 2313 is coupled into third monochrome planar optics waveguide 23c and is transmitted in third monochrome planar optics waveguide 23c inner total reflections Third monochromatic light carry out diffraction, make its third monochrome planar optics waveguide 23c inner total reflections be transmitted to third monochrome output Coupling grating 2333.

Among the above it is first monochromatic, second is monochromatic and third monochrome is respectively one kind in red, green, blue and different.

By taking first monochromatic, the second monochrome and third monochrome are respectively R (red), G (green) and B (blue) as an example, light beam Red planar optics waveguide 23a is first injected, via the R light beams in red 2311 diffraction of the input coupling grating light beam so that R light Beam meets the inner full-reflection condition of red planar optics waveguide 23a；G light beams and B light beams are from red input coupling grating 2311 Green planar optics waveguide 23b is projected and injected, via the G light beams in green 2312 diffraction of the input coupling grating light beam, is made Obtain the inner full-reflection condition that G light beams meet green planar optics waveguide 23b；B light beams are penetrated from green input coupling grating 2312 Go out and inject blue color plane optical waveguide 23c, reflects after the B light beams in the light beam and incite somebody to action via blue input coupling grating 2312 B light beams inject green planar optics waveguide 23b so that B light beams meet the inner full-reflection item of blue color plane optical waveguide 23c Part.

Blue 2333 diffraction of output coupling grating is by blue 2312 diffraction of input coupling grating and in blue color plane optics wave Lead the B light beams of 23c inner total reflections so that the B light beams be unsatisfactory for the inner full-reflection condition of blue color plane optical waveguide 23c and It is projected from blue color plane optical waveguide 23c, and penetrates green planar optics waveguide 23b and green output coupling grating 2332 successively With red planar optics waveguide 23a and red output coupling grating 2331 and project；Green 2332 diffraction of output coupling grating by Green 2312 diffraction of input coupling grating and in the G light beams of green planar optics waveguide 23b inner total reflections so that the G light beams It is unsatisfactory for the inner full-reflection condition of green planar optics waveguide 23b and is projected from green planar optics waveguide 23b, and successively thoroughly It crosses red planar optics waveguide 23a and red output coupling grating 2331 and projects；Red 2331 diffraction of output coupling grating by Red 2311 diffraction of input coupling grating and in the R light beams of red planar optics waveguide 23a inner total reflections so that the R light beams It is unsatisfactory for the inner full-reflection condition of red planar optics waveguide 23a and is projected from red planar optics waveguide 23a.

It is input coupling reflection by optical fiber scanning display, input coupler of the micro-display that image source includes below Portion, relay part be for relaying reflecting part, output coupling portion are output coupling reflecting part, and mould is shown to the nearly eye of simple eye big visual field Group is described further.It is to be noted that image source, input coupler, relay part, output coupling portion are not limited to as above Example, above example are only used for that explanation is further expalined to above-mentioned component, and the example of above-mentioned any one component can be changed to Other optional replacement components.

Specifically, with reference to shown in figure 3A, Fig. 3 B, a kind of nearly eye display module of simple eye big visual field, including

At least two optical fiber scanning displays 31, each optical fiber scanning display 31 are used to the light that transmitting forms image Beam, the image that each optical fiber scanning display 31 is emitted are the different portions for constituting the complete image that one has corresponding big field angle Point, the light beam that each optical fiber scanning display 31 emits, which is formed by image, has corresponding sub- field angle；

The eyepiece optics device 32 being arranged in a one-to-one correspondence with optical fiber scanning display 31 is configured as corresponding optical fiber Whole light beams that scanning display 31 emits are collimated and are injected planar optics waveguide 33,

Planar optics waveguide 33 have be arranged in a one-to-one correspondence with eyepiece optics device 32 input coupling reflecting part 331, in After reflecting part 332 and output coupling reflecting part 333, in each image source 31 and tablet optical waveguide 33 and planar optics waveguide 33 Input coupling reflecting part 331 corresponding with the image source, relaying reflecting part 332 and output coupling reflecting part 333 constitute one Display subsystem,

Input coupling reflecting part 331 be configured as it is that corresponding eyepiece optics device 32 is emitted, be used to form with corresponding Whole light beam couplings of the image of sub- field angle enter planar optics waveguide 33, make the light beam flat by reflecting each light beam Meet the inner full-reflection condition of the planar optics waveguide in plate optical waveguide 33, and each light beam is guided in corresponding After reflecting part 332, relaying reflecting part 332 is directed to corresponding output coupling by reflecting each light beam, by each light beam and reflects Portion 333, output coupling reflecting part 333 is by each light beam to external reflectance so that each light beam is unsatisfactory for the interior of planar optics waveguide Portion's total reflection condition, the output coupling reflecting part 333 leave planar optics waveguide 33 to whole light beams of external reflectance and are formed Image, the image is corresponding with the image that corresponding optical fiber scanning display 31 emits and has corresponding sub- field angle；

Each display subsystem has the emergent pupil for partially overlapping or all overlapping, each output coupling reflecting part 333 outside The image with corresponding sub- field angle of reflection mutually splices, and constitutes a complete image with corresponding big visual angle, this is complete The big field angle of image is to merge to obtain from each output coupling reflecting part 333 to the corresponding sub- field angle of the image of external reflectance, The complete image has corresponding big field angle to one that the subgraph that each optical fiber scanning display 31 is emitted is constituted Complete image it is corresponding.

To which the image that each optical fiber scanning display 31 is respectively used in some visual field scope is shown, and pass through image Splicing, increases the simple eye field angle of equipment.

The relaying reflecting part 332 is configured as being directed onto each light beam carry out level expansion of relaying reflecting part 332 Beam and one kind in vertically expanding expand, and the output coupling reflecting part 333 is configured as being directed onto output coupling reflection Another kind during each light beam carry out level in portion 333 is expanded and vertically expanded expands.At this point, relaying reflecting part 332 and output Coupled reflection portion 333 all can be set in planar optics waveguide 33 it is multiple along light path is disposed in parallel successively can instead can be saturating Film layer.

It refers to being incident to relaying reflecting part 332 or output coupling reflecting part 333 that the level, which is expanded or vertically expanded, Each light beam along light path successively pass through the reflecting part it is each can anti-permeable membrane layer, by each can anti-permeable membrane layer when, A part of light of the light beam can be reflected at this on anti-permeable membrane layer, and another part light can be transmitted through can anti-permeable membrane Layer to it is next can anti-permeable membrane layer, and so on, to form multiple parallel beamlets of the light beam, reach going out for extension light beam The effect of pupil diameter.For the grating that carry out level expands, the reflecting part it is multiple be mutually parallel can anti-permeable membrane layer Set gradually in the horizontal direction, for the reflection vertically expanded, the reflecting part it is multiple be mutually parallel can instead may be used Permeable membrane layer is vertically set gradually.By be arranged each can anti-permeable membrane layer reflection efficiency, it is ensured that brightness it is equal Even property.For example, by reflecting part include 5 can be for anti-permeable membrane layer, according to the transmission direction of light beam, can be anti-by the 1st The reflectivity of permeable membrane layer is set as 20%, by the 2nd can the reflectivity of anti-permeable membrane layer be set as 25%, can be anti-by the 3rd The reflectivity of permeable membrane layer is set as 33%, by the 4th can the reflectivity of anti-permeable membrane layer be set as 50%, can be anti-by the 5th The reflectivity of permeable membrane layer is set as 100%, in this way, each can the brightness of anti-permeable membrane layer outgoing be total brightness 20%.

The input coupling reflecting part 331 may be used plane mirror or total reflection film layer etc. and plane reflection may be implemented Component.

Further, the subgraph that each optical fiber scanning display 31 emits is residing in described complete image of its composition The orientation orientation residing in planar optics waveguide 33 with the output coupling reflecting part 333 corresponding to the optical fiber scanning display 31 It is consistent.It is spliced to form completely so that the image that each output coupling reflecting part 333 is formed to the light beam of external reflectance is in Image desired position.

Further alternative, each light beam that relaying reflecting part 332 is directed to relaying reflecting part 332 by reflection makes The light beam meets the inner full-reflection condition of the planar optics waveguide in planar optics waveguide 33, and each light beam is drawn It is directed at corresponding output coupling reflecting part 333.

The output coupling reflecting part 333 of planar optics waveguide 33 is configured in the simple eye front of user, to be formed to user Simple eye visible image.Planar optics waveguide 33 is substantially transparent, so that user can not only watch from optical fiber scanning The image of display 31 can also penetrate planar optics waveguide 33 and watch the image from real world.So that of the invention It can be used for augmented reality and show equipment, by the image superposition being spliced to form in real world, reach raising enhancing display The technique effect of equipment field angle.

After being relative to the location of planar optics waveguide 33 with eyes of user, the planar optics waveguide 33 includes Former and later two surfaces being mutually parallel.Input coupling reflecting part 331, relaying reflecting part 332 and the output of planar optics waveguide 33 Coupled reflection portion 333 can be laid in the inside of planar optics waveguide 33.Optical fiber scanning display 31 and corresponding eyepiece optics Device 32 can both be laid in the front side of planar optics waveguide 33, can also be laid in the rear side of planar optics waveguide 33, such as scheme Shown in 3C.

The eyepiece optics device 32 generally comprises collimation lens, is used to amplify imaging and by optical fiber scanning display Whole light beams of 31 transmittings are collimated, and whole light beams after collimation are injected planar optics waveguide 33, further, collimation The input coupling reflecting part 331 of whole light beam directive planar optics waveguides 33 afterwards.The area of input coupling reflecting part 331 is more than The diameter for the light beam that eyepiece optics device 32 projects, to ensure it is that eyepiece optics device 32 is emitted, be used to form with corresponding Whole light beam couplings of the image of field angle enter planar optics waveguide 33.

The nearly eye display module of described simple eye big visual field further includes image processor, be used for by it is to be shown, there is phase The complete image of big field angle is answered to be divided into corresponding multiple with the quantity of optical fiber scanning display 31 and respective image space There is corresponding sub- field angle, image processor each subgraph is transferred to corresponding optical fiber and is swept for subgraph, each subgraph Device is retouched, each optical fiber scanning display 31 shows its corresponding subgraph with respective field of vision angle.To tablet The light beam that optical waveguide 33 emits optical fiber scanning display 31 projects from corresponding output coupling reflecting part 333, each to export The image with corresponding sub- field angle that coupled reflection portion 333 projects mutually is spliced to form the complete figure with respective field of vision angle As and to inject observer simple eye.Simple eye receive of observer is that all images with corresponding sub- field angle are mutually spliced to form The complete image with corresponding big field angle.

The image space of the optical fiber scanning display 31 refers to output coupling reflecting part 333 corresponding to it in tablet Residing orientation in optical waveguide 33.As previously mentioned, the output coupling reflecting part 333 corresponding to each optical fiber scanning display 31 exists The subgraph that residing orientation emits with the optical fiber scanning display 31 in planar optics waveguide 33 is in the described complete of its composition Residing orientation is consistent in image, further, also with by observer's monocular vision to the output coupling reflecting part 333 penetrate The orientation for having the image of corresponding sub- field angle residing in the complete image of its composition gone out is consistent.

It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims, Any reference mark between bracket should not be configured to limitations on claims.Word "comprising" or " comprising " are not arranged Except there are element or steps not listed in the claims.Word "a" or "an" before element does not exclude the presence of more A such element.In the unit claims listing several devices, several in these devices can be by same One hardware branch embodies.The use of word first, second, and third does not indicate that any sequence, can be by these lists Word is construed to title.

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.

Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only It is an example in a series of equivalent or similar characteristics.

The invention is not limited in specific implementation modes above-mentioned.The present invention, which expands to, any in the present specification to be disclosed New feature or any new combination, and disclose any new method or process the step of or any new combination.

Claims

1. the nearly eye display module of simple eye big visual field, which is characterized in that including

At least two image sources, each image source are used to the light beam that transmitting forms image, and the image that each image source is emitted is Constituting one, there is the different piece of complete image of corresponding big field angle, the light beam of each image source transmitting to be formed by image With corresponding sub- field angle；

The eyepiece optics device being arranged in a one-to-one correspondence with image source is configured as the whole light beams for emitting corresponding image source Planar optics waveguide is collimated and is injected,

Planar optics waveguide has input coupler, relay part and the output coupling being arranged in a one-to-one correspondence with eyepiece optics device Input coupler corresponding with the image source, relaying in device, each image source and tablet optical waveguide and planar optics waveguide Component and output coupler constitute a display subsystem,

Input coupler be configured as it is that corresponding eyepiece optics device is emitted, be used to form the image with corresponding sub- field angle Whole light beam couplings enter planar optics waveguide, make the light beam in planar optics waveguide by diffraction or each light beam of reflection Inside meet the inner full-reflection condition of the planar optics waveguide, and each light beam is guided to corresponding relay part, relaying Each light beam is directed to corresponding output coupler, output coupler will be each by component by diffraction or each light beam of reflection Light beam is to external diffraction or reflection so that each light beam is unsatisfactory for the inner full-reflection condition of planar optics waveguide, the output coupling Clutch leaves planar optics waveguide to whole light beams of external diffraction or reflection and forms image, which emits with respective image source Image it is corresponding and with corresponding sub- field angle；

Each display subsystem has the emergent pupil that partially overlaps or all overlap, and each output coupler is to external diffraction or reflection Image with corresponding sub- field angle mutually splices, and constitutes a complete image with corresponding big visual angle, the complete image Big field angle is to merge to obtain from each output coupler to the corresponding sub- field angle of the image of external diffraction or reflection, the complete graph As corresponding to the complete image with corresponding big field angle that the subgraph that each image source is emitted is constituted.

2. the nearly eye display module of simple eye big visual field as described in claim 1, which is characterized in that the relay part is configured One kind during each light beam carry out level to be directed onto relay part is expanded and vertically expanded expands, the output coupling Device be configured as being directed onto output coupler each light beam carry out level expand and vertically expand in another kind expand.

3. the nearly eye display module of simple eye big visual field as claimed in claim 1 or 2, which is characterized in that the figure of each image source transmitting Output coupler as corresponding to orientation and the image source residing in the complete image of its composition is in planar optics wave Residing orientation is consistent in leading.

4. the nearly eye display module of simple eye big visual field as described in any one of claim 1-3, which is characterized in that relay part Be directed to by diffraction or reflection relay part each light beam so that the light beam meets in planar optics waveguide described in The inner full-reflection condition of planar optics waveguide, and each light beam is guided to corresponding output coupler.

5. the nearly eye display module of simple eye big visual field as described in any one of claim 1-4, which is characterized in that the figure Image source includes micro-display, and micro-display is DLP display, LCOS display, LCD display, OLED display, optical fiber scanning Any one in display and MEMS scan image display systems.

6. the nearly eye display module of simple eye big visual field as described in any one of claim 1-5, which is characterized in that further include figure As processor, it is used to complete image to be shown, with corresponding big field angle being divided into the quantity of image source and respectively From the corresponding multiple subgraphs of image space, each subgraph has corresponding sub- field angle, image processor will be per height Image transmitting gives corresponding image source, each image source to show its corresponding subgraph with respective field of vision angle.

7. the nearly eye display module of as claimed in claim 6 simple eye big visual field, which is characterized in that the image source at image position It refers to output coupler corresponding to it orientation residing in planar optics waveguide to set.

8. the nearly eye display module of simple eye big visual field as described in any one of claim 1-7, which is characterized in that described is defeated It is input coupling grating to enter coupler, and the relay part is relaying grating, the output coupling portion is output coupling light Grid.

9. the nearly eye display module of simple eye big visual field as claimed in claim 8, which is characterized in that including

At least two optical fiber scanning displays, each optical fiber scanning display are used to the light beam that transmitting forms image, each optical fiber The image that scanning display is emitted is the different piece for constituting the complete image that one has corresponding big field angle, each optical fiber The light beam of scanning display emission, which is formed by image, has corresponding sub- field angle；

The eyepiece optics device being arranged in a one-to-one correspondence with optical fiber scanning display is configured as showing corresponding optical fiber scanning Whole light beams of device transmitting are collimated and are injected planar optics waveguide,

Planar optics waveguide has the input coupling grating being arranged in a one-to-one correspondence with eyepiece optics device, relaying grating and output coupling Input corresponding with the image source in closing light grid, each optical fiber scanning display and tablet optical waveguide and planar optics waveguide Coupling grating, relaying one display subsystem of grating and output coupling optical grating constitution,

Input coupling grating be configured as it is that corresponding eyepiece optics device is emitted, be used to form the figure with corresponding sub- field angle Whole light beam couplings of picture enter planar optics waveguide, so that the light beam is full in planar optics waveguide by each light beam of diffraction The inner full-reflection condition of the foot planar optics waveguide, and each light beam is guided to corresponding relaying grating, relay grating By each light beam of diffraction, each light beam is directed to corresponding output coupling grating, output coupling grating by each light beam to External diffraction so that each light beam is unsatisfactory for the inner full-reflection condition of planar optics waveguide, and the output coupling grating spreads out outward The whole light beams penetrated leave planar optics waveguide and form image, the image phase of the image and corresponding optical fiber scanning display emission It corresponds to and there is corresponding sub- field angle；

Each display subsystem has the emergent pupil for partially overlapping or all overlapping, each output coupling grating having to external diffraction The image of corresponding sub- field angle mutually splices, and constitutes a complete image with corresponding big visual angle, and the big of the complete image regards Rink corner is to merge to obtain from each output coupling grating to the corresponding sub- field angle of the image of external diffraction, the complete image with it is described The complete image with corresponding big field angle that the subgraph that each optical fiber scanning display is emitted is constituted is corresponding.

10. the nearly eye display module of simple eye big visual field as described in any one of claim 1-7, which is characterized in that described Input coupler is input coupling reflecting part, and the relay part is relaying reflecting part, and the output coupling portion is output Coupled reflection portion.

11. the nearly eye display module of simple eye big visual field as claimed in claim 10, which is characterized in that including

Planar optics waveguide has the input coupling reflecting part being arranged in a one-to-one correspondence with eyepiece optics device, relaying reflecting part and defeated Go out input coupling corresponding with the image source in coupled reflection portion, each image source and tablet optical waveguide and planar optics waveguide It closes reflecting part, relaying reflecting part and output coupling reflecting part and constitutes a display subsystem,

Input coupling reflecting part be configured as it is that corresponding eyepiece optics device is emitted, be used to form with corresponding sub- field angle Whole light beam couplings of image enter planar optics waveguide, make the light beam in planar optics waveguide by reflecting each light beam Meet the inner full-reflection condition of the planar optics waveguide, and each light beam is guided to corresponding relaying reflecting part, relaying Reflecting part is directed to corresponding output coupling reflecting part by reflecting each light beam, by each light beam, and output coupling reflecting part will Each light beam is to external reflectance so that each light beam is unsatisfactory for the inner full-reflection condition of planar optics waveguide, the output coupling Reflecting part leaves planar optics waveguide to whole light beams of external reflectance and forms image, the image and corresponding optical fiber scanning display The image of transmitting is corresponding and with corresponding sub- field angle；

Each display subsystem has the emergent pupil for partially overlapping or all overlapping, tool of each output coupling reflecting part to external reflectance There is the image of corresponding sub- field angle mutually to splice, constitute a complete image with corresponding big visual angle, the complete image it is big Field angle is to merge to obtain from each output coupling reflecting part to the corresponding sub- field angle of the image of external reflectance, the complete image with The complete image with corresponding big field angle that the subgraph that each optical fiber scanning display is emitted is constituted is opposite It answers.

12. the nearly eye display module of simple eye big visual field as described in claim 10 or 11, which is characterized in that the relaying reflection Portion and output coupling reflecting part be set in planar optics waveguide it is multiple along light path is disposed in parallel successively can instead can be saturating Film layer, the input coupling reflecting part are plane mirror or total reflection film layer.

13. a kind of nearly eye display methods of simple eye big visual field, including：

S1, at least two image sources emit the light beam for forming the image with the corresponding rink corners Zi Shi, all image source transmittings Light beam is formed by image and may make up a complete image with corresponding big field angle；

The light beam that S2, each image source emit all injects planar optics waveguide after the eyepiece optics device collimation through being correspondingly arranged Corresponding input coupler；It is that corresponding eyepiece optics device is emitted by each input coupler, be used to form with corresponding sub- visual field Whole light beam couplings of the image at angle enter planar optics waveguide, make the light beam in tablet by diffraction or each light beam of reflection Meet the inner full-reflection condition of the planar optics waveguide in optical waveguide, and each light beam is guided to corresponding relay Each light beam is directed to corresponding output coupler, output coupler by part, relay part by diffraction or each light beam of reflection By each light beam to external diffraction or reflection so that each light beam is unsatisfactory for the inner full-reflection condition of planar optics waveguide, described Output coupler leaves planar optics waveguide to whole light beams of external diffraction or reflection and forms image, the image and respective image The image of source transmitting is corresponding and with corresponding sub- field angle, each image source and tablet optical waveguide and planar optics waveguide Upper input coupler corresponding with the image source, relay part and output coupler constitute a display subsystem, each to show Subsystem has the emergent pupil that partially overlaps or all overlap, and each output coupler has corresponding son to external diffraction or reflection The image of field angle mutually splices, and constitutes a complete image with corresponding big visual angle, and the big field angle of the complete image is Merge to obtain from each output coupler to the corresponding sub- field angle of the image of external diffraction or reflection, the complete image with it is described each The complete image with corresponding big field angle that the subgraph that image source is emitted is constituted is corresponding.

14. the nearly eye display methods of simple eye big visual field as claimed in claim 13, which is characterized in that the relay part will draw One kind during each light beam carry out level for being directed at relay part is expanded and vertically expanded expands, and the output coupler will draw Another kind during each light beam carry out level for being directed at output coupler is expanded and vertically expanded expands.

Include that the nearly eye of simple eye big visual field as described in any one of claim 1-12 is aobvious 15. a kind of head-mounted display apparatus Show module and the component of wearing for being worn on user's head, the nearly eye display module of simple eye big visual field, which is mounted on, described wears component It goes up and is oriented its output coupler and direct the light beam on the eyes of wearer.

16. a kind of head-mounted display apparatus as claimed in claim 15, which is characterized in that there are one the nearly eyes of simple eye big visual field for tool Display module, the nearly eye display module of simple eye big visual field be oriented its output coupler direct the light beam into wearer left eye or On right eye.

17. a kind of head-mounted display apparatus as claimed in claim 15, which is characterized in that there are two the nearly eyes of simple eye big visual field for tool Display module, the nearly eye display module of one of them simple eye big visual field are oriented its output coupler and direct the light beam into wearer Left eye on, the nearly eye display module of another simple eye big visual field is oriented its output coupler and directs the light beam into wearer Right eye on.

18. a kind of head-mounted display apparatus as claimed in claim 17, which is characterized in that two simple eye big visual fields are close Eye display module shares a planar optics waveguide, is then respectively arranged to two at the required position of the planar optics waveguide Input coupler, relay part, the output coupler of the nearly eye display module of simple eye big visual field.

19. a kind of head-mounted display apparatus as described in any one of claim 15-18, which is characterized in that the head It includes frame, the helmet or headband to wear component.