CN108490617A - A kind of amblyopia visual aid shown based on waveguide - Google Patents
A kind of amblyopia visual aid shown based on waveguide Download PDFInfo
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- CN108490617A CN108490617A CN201810300157.4A CN201810300157A CN108490617A CN 108490617 A CN108490617 A CN 108490617A CN 201810300157 A CN201810300157 A CN 201810300157A CN 108490617 A CN108490617 A CN 108490617A
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- 201000009487 Amblyopia Diseases 0.000 title claims abstract description 67
- 230000000007 visual effect Effects 0.000 title claims abstract description 57
- 230000003287 optical effect Effects 0.000 claims abstract description 42
- 238000003384 imaging method Methods 0.000 claims description 13
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 7
- 206010028813 Nausea Diseases 0.000 abstract description 4
- 208000002173 dizziness Diseases 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 230000004438 eyesight Effects 0.000 abstract description 4
- 230000008693 nausea Effects 0.000 abstract description 4
- 208000024891 symptom Diseases 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 description 22
- 238000003199 nucleic acid amplification method Methods 0.000 description 22
- 230000000694 effects Effects 0.000 description 11
- 238000005266 casting Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 210000001525 retina Anatomy 0.000 description 2
- 206010059397 Antimetropia Diseases 0.000 description 1
- 241000721047 Danaus plexippus Species 0.000 description 1
- 208000029091 Refraction disease Diseases 0.000 description 1
- 241000221696 Sclerotinia sclerotiorum Species 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004430 ametropia Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 208000014733 refractive error Diseases 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 230000004382 visual function Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The embodiment of the present invention discloses a kind of amblyopia visual aid shown based on waveguide, including camera system, input equipment, circuit control system, waveguide display systems, shielding plate.Amblyopia visual aid provided in an embodiment of the present invention, which is related to waveguide display field, to be helped with electronics regarding technical field, in conjunction with optical waveguide display technology, real enhancing technology, electronics amplifying technique and image processing techniques, using waveguide transmissive display, it is different from and is helped regarding product using the similar of closed display, the symptoms such as dizziness, nausea can't be generated due to visibility occlusions lead to vision with conflicting for body-sensing；Amblyopia visual aid provided in an embodiment of the present invention is compact, light, and size is smaller, and closer to a secondary common sunglasses, wearing gets up to be not obvious, and will not cause particular concern, amblyopia crowd can preferably be helped to observe the things of surrounding.
Description
Technical field
The present invention relates to waveguide display field and electronics help regarding technical field more particularly to it is a kind of shown based on waveguide it is weak
Depending on typoscope.
Background technology
Amblyopia is a kind of development irregularity eye disease, often caused by strabismus, antimetropia are highly ametropia.Separately
The outer usually age, being averaged in nine people had a people to will produce amblyopia, and the age has arrived octogenarian old man to 65 years old old man,
There is a people to generate amblyopia in every four people.Amblyopia can not correct rehabilitation with general with mirror method, these crowds cannot see
Nearby, the object of distant place has seriously affected their normal life.
There are many amblyopias to help regarding product in the market, such as optics is looked in the distance typoscope, electronic viewing aid, patent
200720060305 disclose a kind of Novel telescope, and the optical lens of traditional mechanical adjustment is replaced with liquid optic lens group
Group reduces the volume of entire telescope, easy to carry, but this telescope target is infinity, can not be imaged near objects；Specially
Although profit 2009100959309 can realize that the imaging near objects, the appearance of its telescope seem excessively lofty, Er Qieguan
The object for examining different distance also needs to modulate manually；Patent 2007200063788 have higher amplification factor with it is high clear
Clear degree, but inconvenient to carry, and wear fairly obvious, amblyopia group is also not intended to therefore attract attention, he
Also be intended to live as normal person.
Real enhancing technology cooperation optical amplifier using optical waveguide as display carrier, electronics amplifying technique can be compared with
Good solves the problems, such as above.Surrounding objects are shot using camera, by the specially treated of electronics amplification and image, is made
Will be in treated visual information projection to optical waveguide with shadow casting technique, optical waveguide can reflect the image onto human eye, into
Row imaging.Image into human eye passes through the methods of amplification, increase brightness, raising contrast, and amblyopia crowd can be helped to see clearly
The object of surrounding.Optical waveguide is light-weight, small, compact-sized, thickness is thin, can be with using optical waveguide as display carrier
Greatly mitigate the volume and weight of structure, the amblyopia visual aid shown based on waveguide with function as above, size can essence
To the level close to a secondary common sunglasses, wearing gets up to be not obvious, while amblyopia crowd can be helped more preferably to see surrounding clearly for letter
Things.
Invention content
The invention discloses a kind of amblyopia visual aids shown based on waveguide, including：
Camera system, including camera and interlock circuit, the environmental information being responsible for around typing；
Input equipment, including button, touch tablet or Bluetooth control equipment, feed back to circuit control by user's operation and by signal
System.
Circuit control system receives the data input of camera, receive input equipment signal feedback, to image information into
Row processing, waveguide display systems are transmitted to by image information.
The electronic image information that circuit board transmits is converted to imaging beam by waveguide display systems, and the imaging light velocity is delivered
To optical waveguide, imaging beam is imported human eye by optical waveguide.
Shielding plate is located in front of amblyopia visual aid, has certain optical transmittance, can block extraneous light beam.
Optionally, the amblyopia visual aid further includes audio output device, and the public affairs referred specifically on amblyopia visual aid are put.
Optionally, the waveguide display systems include ray machine, imaging optical path, optical waveguide.
Optionally, the camera system includes camera and interlock circuit.
The shielding plate is located in front of the optical waveguide and is close to the optical waveguide；
The shielding plate blocks the corresponding extraneous light beam of optical waveguide display area range.
Optionally, the shielding plate shape is strip.
Optionally, the shielding plate is the color sheet of thickness 0.5mm, and transmitance is 0% or 30%.
Optionally, the optical waveguide is plane grating waveguide.
Optionally, the ray machine is LCOS ray machine display modules.
Optionally, the camera and the field angle of the optical waveguide are same or similar（± 3 degree）.
Optionally, the Bluetooth control module directly with the amblyopia visual aid bluetooth connection or the Bluetooth control
Module using mobile phone as intermediary, indirectly with the amblyopia visual aid bluetooth connection.
The amblyopia visual aid shown based on waveguide that the embodiment of the present invention is announced, including camera system, input equipment, electricity
Path control system, waveguide display systems, shielding plate combine optical waveguide display technology, real enhancing technology, electronics amplification skill
Art and image processing techniques, the present invention can help amblyopia crowd preferably to identify surrounding, meanwhile, the embodiment of the present invention carries
The amblyopia visual aid of confession is closely sized to a secondary common sunglasses, and wearing gets up to be not obvious, and will not cause particular concern.
Description of the drawings
Fig. 1 is a kind of structure chart for amblyopia visual aid shown based on waveguide that the embodiment of the present invention one provides；
Fig. 2 is the structure chart of ray machine used in the embodiment of the present invention one；
Fig. 3 is the picture amplification effect that the embodiment of the present invention one is shown, four width figures (a) (b) (c) (d) are respectively 1.5 times of amplification, 4
Again, 9 times, 12 times of effects；
Fig. 4 is two kinds of image display modes that the embodiment of the present invention one is shown, left side is gray scale chart-pattern, and right side is black and white mould
Formula；
Fig. 5 is a kind of structure chart of amblyopia visual aid shown based on waveguide provided by Embodiment 2 of the present invention；
Fig. 6 is the structure chart of the Bluetooth control module used in the embodiment of the present invention two.
Specific implementation mode
The amblyopia visual aid proposed by the present invention shown based on waveguide is by camera system, input equipment, circuit control system
Five system, waveguide display systems, shielding plate parts form, and five organically combine, and being collectively formed one can help amblyopia crowd to see
Clear surrounding objects help visual equipment.Technical side to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments
Case.It is understood that embodiments described below is only used for explaining the present invention rather than limitation of the invention.
Embodiment one
Fig. 1 is a kind of structure chart of the amblyopia visual aid shown based on waveguide provided in an embodiment of the present invention, in the present embodiment, is taken the photograph
As first 100 and relevant transmission circuit constitute camera system；Circuit control panel 110 and other electric wires in typoscope
Road constitutes circuit control system part；Button 150, Trackpad 160 and relevant circuit constitute input equipment；Mechanical-optical setup
120, imaging optical path 130 and optical waveguide constitute waveguide display systems.
As shown in Figure 1, camera 100 is responsible for the environmental information around acquisition, in the chip controls of circuit control panel 110
Under, camera 110 may determine that the distance and auto-focusing of target object, be clearly captured target object.
The FOV of camera（Field angle）Determine the spatial dimension of captured object, FOV is smaller, the object range of shooting
Smaller, the object projected under same case is bigger, and details is clearer, in order to realize better amplification effect, in this example I
Select field angle smaller（Such as 22 degree）Camera lens carry out optical amplifier.
Optionally, the camera that the present embodiment uses is mobile phone camera, and sensor OV8856, pixel number is 800
Ten thousand, it arranges in pairs or groups with the camera lens of 22 degree of field angles, the accurate focusing of object within the scope of 25cm to infinity may be implemented.
The image information that camera 100 is shot reaches circuit control panel 110, circuit control panel 110 by electronic circuit（Position
The inside of the position shown in Fig. 1）The middle section of input image information is intercepted, then truncated picture is drawn
It stretches, pixel filling is to realize the electronics amplification to image.According to actual requirement with the feedback of user, control panel 110 can be to figure
As carrying out different degrees of pixel interception, stretching, it might even be possible to carry out secondary amplification.Meanwhile control panel 110 can also be to amplification
Picture afterwards does increase brightness, enhancing contrast, increases the pictures processing such as saturation degree, raising sharpening effect, to promote picture
Quality.
Optionally, the control circuit chip that the present embodiment uses is the positive M200 of monarch.
By circuit control panel 110, treated that image information can send x ray machine part 120, optionally, the present embodiment to
In we select LCOS ray machines（Patent 2016214382449）, Fig. 2 illustrates the structure of ray machine used in the present embodiment.
In Fig. 2, by specular removal white light LEDs（210）The light beam of outgoing, after the collimation of illuminating lens group 220, the half-angle of light beam
Width is modulated into 10 degree, and after even optical element 230, the LED chip picture of light beam can be cut down, meanwhile, light beam becomes uniform,
Angle increases.Light beam after even light is after polarizing film 240, PBS prisms 250, quarter wave plate 260, special construction reflecting surface 270, warp
It goes through being polarized, reflect of light beam, phase-modulation and again after the optical transforms such as reflection, outgoing beam is finally modulated to uniformly
, the hot spot that polarization direction is the directions P, this hot spot is projected onto on LCOS chip 280, the light after the reflection of LCOS chip 280
Beam can be loaded the image information that control panel 110 is transmitted, this light beam by PBS prisms 250 secondary reflection again and subsequently at
As light path 130 modulation after, can be coupled in plane grating waveguide 140.
Optionally, the optical waveguide that the present embodiment uses is plane grating waveguide 140, thickness only 1.7mm.
It is coupled into the tortuous advance in slab guide in the form of being totally reflected of the light beam in plane grating waveguide 140, when
Light beam is reflected into the light-emitting window of optical waveguide substrates（Patent 2016101711832）When, the structure of light-emitting window is set by special optical
Meter, this structure destroys total reflection condition, and light beam can be reflected and coupled out off waveguide here, injects human eye and in human eye
It is imaged on retina.
Institute have passed through processing to the light beam being emitted from waveguide at image on the retina, and wherein dimension of object is widened（According to
It is required that can 1-25 times be widened）, brightness of image increases, and contrast increases, and this treated that image can be by part amblyopia group
Body is observed and picked out easily to be come.The amblyopia visual aid that the present embodiment proposes passes through to the stretching of image, contrast and brightness
The optimization of equal images, can help part amblyopia crowd preferably to see ambient enviroment clearly.
To ensure under low amplification factor, the user's visual field of ambient enviroment and human eye from plane grating waveguide is direct
The visual field of environment of observation is close, and the field angle of camera and plane grating waveguide wants same or similar（± 3 degree）, in the present embodiment
The field angle of camera is 22 degree, and the field angle of plane grating waveguide is 24 degree.
Shielding plate 180 in the present embodiment be thickness be 0.5mm, the grey that is PC with certain optical transmittance, material
Slide, shielding plate 180 are located at 140 front of plane grating waveguide and are close to plane grating waveguide 140（It is smaller than 1mm）.
The effect of shielding plate 180 is the extraneous light beam blocked corresponding to optical waveguide display area, since optical waveguide is transparent, wave
Extraneous light beam and the light beam out of waveguide can be existed simultaneously by leading in display area, when external environment light is stronger, human eye receives
Waveguide light beam it is opposite die down, the imaging for be easy to causeing waveguide image is unclear, and a degree of block is carried out to this segment beam
User experience can be effectively improved.For shielding plate 180 there are many optional transmitance, such as 0%, 10%, 20%, 30%, transmitance is different, blocks
Piece is different to the occlusion effect of extraneous light beam.The lower shielding plate occlusion effect of transmitance is better（Such as blocking for 0% transmitance
Piece）, show as that brightness is higher, and contrast is bigger from the user's point of view, user experience is better.
Shielding plate 180 used in amblyopia visual aid provided in an embodiment of the present invention can't all close field of view, block
Piece 180 mainly blocks the display area of optics waveguide core, is not blocked around optical waveguide, and user still can use remaining light
Through the object around waveguide observation, the method for this non-enclosed display can conflicting to avoid vision and body-sensing, avoid producing
The side effects such as the dizzy, nausea of repiece, improve user experience.
The shape of shielding plate 180 can modify according to actual demand, as shown in Figure 1, shielding plate 180 has blocked planar light
Lattice wave leads 140 display area and upper and lower region, and user can observe surrounding by left and right sides region through waveguide；Shielding plate
180 may be alternatively configured lateral strip, block display area and the right and left region of plane grating waveguide 140, user can be by upper
Lower zone observes surrounding.
When shielding plate transmitance is 30% or so, user wears provided in this embodiment to be helped based on the amblyopia that waveguide is shown
Visual organ can observe the scene for the image and outside actual environment that plane grating waveguide 140 is shown simultaneously.As long as moving-head,
The object of drawing axis can be amplified by typoscope in real time, and be presented in human eye by plane grating waveguide 140.It removes
In addition, typoscope provided in this embodiment also has other numerous functions, amblyopia crowd can be preferably helped to see surrounding objects clearly.
When user wears the amblyopia visual aid provided in this embodiment shown based on waveguide, forward, touch is slided backward
Plate 160 may be implemented the reduction of amplification factor, increase, amplification factor ranging from 1x ~ 25x, Fig. 3 displaying of this example typoscope
It is from left to right amplification 1.5 times, 4 times, 9 times, 12 times successively to the amplification effect of No. three fonts, four width figures at 37cm, uses
Family can obtain suitable amplification factor by gently sliding touch tablet 160, greatly improve user experience effect.
User can be configured the attribute of system by manipulating touch tablet 160, change the display brightness of waveguide, thus
Adapt to the illumination condition under varying environment.
Meanwhile for the more serious user of visual problems, the present embodiment can also provide a variety of image display modes, only need
Image display mode can be switched by pushing button 150 front side button, it is provided in this embodiment shown based on waveguide it is weak
There are 7 kinds of image display modes depending on typoscope：Normal color display pattern, gray scale display pattern, white and black displays pattern, Bai Heixian
Show pattern, green black display pattern, blue-black display pattern, red-black display pattern.Fig. 4 illustrates gray scale display pattern and white and black displays
Pattern, white and black displays pattern are the binary conversion treatments of gray level image, and the contrast of object has been significantly greatly increased, has highlighted object wheel
Exterior feature, for visual problems, more serious user has larger help.
It is provided in this embodiment it is a kind of based on the amblyopia visual aid that waveguide is shown use optical waveguide as show carrier, make
With shadow casting technique, the picture that camera is shot is projected in human eye in real time；It is set using Trackpad as main input with button
The picture quality enhancement of the standby communication for realizing governor circuit and user demand, 1-25 times of amplification, image that image may be implemented is schemed with 7
As the switching of display pattern, amblyopia crowd can be preferably helped to see surrounding objects clearly.At the same time, provided in an embodiment of the present invention
Amblyopia visual aid based on AR glasses has also taken into account the problem of user experience, display module size, small product size.In the market other
Electronic product also has the function of amplification provided by the invention, picture quality enhancement etc., such as Jordy, Oxsight, Esight, but these
Product uses totally enclosed display mode more, although having better visual effect in this way, in wearer's vision and body-sensing
Conflict can cause the symptoms such as dizziness, nausea, for the wearer of some constitutions sensitivity clearly, seriously reduce user
Experience；In addition to this, similar help of other wear-types is directly displayed depending on product using display or reflective display, display module are stupid
Heavy and volume is big, fairly obvious, is very easy to cause particular concern, causes to perplex to wearer, and the embodiment of the present invention provides
The optical waveguide thickness that uses of amblyopia visual aid only 1.7mm, and waveguide is all-transparent, close to common spectacles；Finally, originally
The amblyopia visual aid that inventive embodiments provide is compact, light, and small product size is close to a secondary sunglasses, while realization helps visual function
Particular concern that people can't be caused too many and easy to carry.
Embodiment two
The present embodiment is the optimization in the structure and function carried out on the basis of embodiment one, camera system therein, electricity
Path control system, waveguide display systems, shielding plate are identical as embodiment one, are only carried out to the input equipment in embodiment one
It expands and optimizes, and increase output equipment 170.
Amblyopia visual aid provided in this embodiment that shown based on waveguide based on AR glasses, input equipment is in addition to including
Further include bluetooth display module outside button 150, Trackpad 160（As shown in Figure 5）, bluetooth display module by bluetooth directly with
Amblyopia visual aid connects, or using mobile phone as intermediary, and bluetooth equipment passes through home control network communication protocol with amblyopia visual aid（Such as bluetooth
Or wireless wifi）It is indirectly connected with.Output equipment 170 is that the public affairs on the amblyopia visual aid that embodiment provides are put（See Fig. 5）.
Button 150, the function of Trackpad 160 are identical as embodiment one；
Bluetooth display module button 510, button 520 can realize the real-time enlarging function of image magnification and reduce work(respectively
Energy；
Button 530 can realize " positioning " function.When the amplification factor of typoscope is higher（Such as 15 times）, user it is observed that
Field angle is very small, and according to the parameter in embodiment one, user visual field when amplifying 15 times only has 1.48 degree, minimum sight
The searching that the visual field is unfavorable for user to target is examined, thus, button 530 can enable amplification factor narrow down to 1 degree rapidly, when user is true
After recognizing object observing, button 530 is unclamped, amplification factor can be promptly restored to original multiple, be helped by the amplification to target
User's object observing；
Button 540 can realize normal color display pattern, gray scale display pattern, white and black displays pattern, white black display pattern, green
The switching of black display pattern, 7 kinds of blue-black display pattern, red-black display pattern image display modes；
Button 550 can realize the speech identifying function to target.When user observes some target by electronic camera 100
When, if activation button 550, other than master control borad 110 is sent to waveguide display module after receiving electronic image information and handling,
Also image information can be identified automatically, and compare and judge with the characteristic information in mainboard repository, if finding matching letter
Corresponding voice messaging can be sent to public affairs and put 170 by breath, master control borad 110, and public affairs put 170 and voice messaging is converted to sound wave, human ear
Just the acoustic information that can be received and target is illustrated；
Other amblyopias help the viewing distance regarding product limited in the market, or can only observe near objects, or can only observe nothing
Poor distant objects（200720060305）.The amblyopia visual aid use shown based on waveguide that two embodiments of the invention provide is taken the photograph
As head 100 is used as Message Entry Device, camera 100, can under the control of circuit control panel 110 with automatic focusing function
To nearby（25cm）Scenery blur-free imaging within the scope of to infinity, operating distance taken into account nearby with infinite point, Neng Gougeng
Facilitate and helps weak population identification ambient enviroment.
What two embodiments of the present invention provided combine shadow casting technique based on the amblyopia visual aid that waveguide show, optical waveguide is shown
Show technology and image processing techniques, being amplified processing and image quality to the image of camera shooting enhances, and then uses optics wave
It leads and is shown as carrier, amblyopia crowd can be helped preferably to see the object of surrounding clearly.Two embodiments of the present invention provide
The amblyopia visual aid based on AR glasses use waveguide transmissive display, be different from using closed display it is similar help regarding production
Product can't generate the symptoms such as dizziness, nausea due to visibility occlusions lead to vision with conflicting for body-sensing；The embodiment of the present invention provides
Amblyopia visual aid it is compact, light, display lens thickness only 1.7mm is helped far below similar wear-type electronics regarding product
The thickness of display module；Meanwhile amblyopia visual aid size provided in an embodiment of the present invention is smaller, closer to a secondary common sunglasses,
Wearing get up to be not obvious, particular concern will not be caused, can preferably help amblyopia crowd preferably see clearly nearby at a distance
Things.
Above-mentioned two embodiment is merely exemplary to illustrate the principle of the present invention and its effect, and is not intended to limit the present invention.Appoint
What those skilled in the art can all modify above-described embodiment or be changed without violating the spirit and scope of the present invention
Become.Therefore, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by every those skilled in the art
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (9)
1. a kind of amblyopia visual aid shown based on waveguide, including：
Camera system, including camera and interlock circuit, the environmental information being responsible for around typing；
Input equipment, including button, touch tablet or Bluetooth control equipment, feed back to circuit control by user's operation and by signal
System；
Circuit control system receives the data input of camera, the signal feedback of input equipment is received, at image information
Reason, waveguide display systems are transmitted to by image information；
The electronic image information that circuit board transmits is converted to imaging beam by waveguide display systems, and the imaging light velocity is shipped to light
Waveguide is learned, imaging beam is imported human eye by optical waveguide；
Shielding plate is located in front of amblyopia visual aid, has certain optical transmittance, can block extraneous light beam.
2. amblyopia visual aid according to claim 1, which is characterized in that optional, the amblyopia visual aid further includes sound
Sound output equipment, the public affairs referred specifically on amblyopia visual aid are put.
3. amblyopia visual aid according to claim 1, which is characterized in that the waveguide display systems include ray machine, imaging
Light path, optical waveguide.
4. amblyopia visual aid according to claim 1, which is characterized in that the camera system include camera to it is related
Circuit.
5. according to the amblyopia visual aid described in claim 1 and 3, it is characterised in that：
The shielding plate is located in front of the optical waveguide and is close to the optical waveguide；
The shielding plate blocks the corresponding extraneous light beam of optical waveguide display area range；
Optionally, the shielding plate shape is strip；
Optionally, the shielding plate is the color sheet of thickness 0.5mm, and transmitance is 0% or 30%.
6. amblyopia visual aid according to claim 3, which is characterized in that the optical waveguide is plane grating waveguide.
7. amblyopia visual aid according to claim 3, which is characterized in that the ray machine is LCOS ray machine display modules.
8. according to the amblyopia visual aid described in claim 1 and 3, which is characterized in that the camera and the optical waveguide
Field angle is same or similar（± 3 degree）.
9. amblyopia visual aid according to claim 1, which is characterized in that the Bluetooth control module directly with the amblyopia
Typoscope bluetooth connection or the Bluetooth control module using mobile phone as intermediary, indirectly with the amblyopia visual aid bluetooth connection.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109324417A (en) * | 2018-12-13 | 2019-02-12 | 宜视智能科技（苏州）有限公司 | Typoscope and its control method, computer storage medium |
| CN109670445A (en) * | 2018-12-19 | 2019-04-23 | 宜视智能科技（苏州）有限公司 | Low vision aid intelligent glasses system |
| WO2020093936A1 (en) * | 2018-11-08 | 2020-05-14 | 舜宇光学（浙江）研究院有限公司 | Miniature projection light engine, polarization multiplexing device, and method for improving light energy utilization rate |
| CN113341573A (en) * | 2021-06-25 | 2021-09-03 | 上海理湃光晶技术有限公司 | Near-to-eye display glasses with auxiliary visual function |
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| CN104284152A (en) * | 2014-10-09 | 2015-01-14 | 深圳市纳宇电子有限公司 | Wearable electronic typoscope |
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| CN113341573A (en) * | 2021-06-25 | 2021-09-03 | 上海理湃光晶技术有限公司 | Near-to-eye display glasses with auxiliary visual function |
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Application publication date: 20180904 |