CN104407439A - Self-adaptive transparent display device used for intelligent glasses - Google Patents
Self-adaptive transparent display device used for intelligent glasses Download PDFInfo
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- CN104407439A CN104407439A CN201410560265.7A CN201410560265A CN104407439A CN 104407439 A CN104407439 A CN 104407439A CN 201410560265 A CN201410560265 A CN 201410560265A CN 104407439 A CN104407439 A CN 104407439A
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- 239000011521 glass Substances 0.000 title claims abstract description 64
- 238000003384 imaging method Methods 0.000 claims abstract description 36
- 210000001747 pupil Anatomy 0.000 claims abstract description 15
- 230000004438 eyesight Effects 0.000 claims abstract description 10
- 238000012937 correction Methods 0.000 claims abstract description 9
- 210000001525 retina Anatomy 0.000 claims abstract description 7
- 230000004379 myopia Effects 0.000 claims abstract description 6
- 208000001491 myopia Diseases 0.000 claims abstract description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 claims description 4
- 230000004305 hyperopia Effects 0.000 claims description 3
- 201000006318 hyperopia Diseases 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 201000010041 presbyopia Diseases 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 229920001621 AMOLED Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/294—Variable focal length devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Eyeglasses (AREA)
Abstract
The invention provides a self-adaptive transparent display device used for intelligent glasses. The self-adaptive transparent display device comprises a transparent display screen and a zooming lens. The transparent display screen is used for displaying image information. When an image is not displayed, the transparent display screen is equivalent to a transparent plate. When voltage is applied to the zooming lens, the zooming lens is used for refracting light rays emitted by the transparent display screen into pupils of human eyes and the light rays are imaged on the retinas of the human eyes. When the transparent display screen does not display the image, the zooming lens can act as a vision correction lens. When voltage does not applied to the zooming lens, the zooming lens is equivalent to one transparent plate. The self-adaptive transparent display device used for intelligent glasses comprises two imaging modes which are a first imaging mode and a second imaging mode respectively. The first imaging mode is suitable for normal and myopia groups, and the second imaging mode is suitable for normal and presbyopia groups.
Description
[technical field]
The present invention relates to wearable display device, espespecially a kind of self-adaptation transparent display for intelligent glasses.
[background technology]
Wearable intelligent equipment, as a kind of future technology, no matter in fashion world or on electric consumers market, is all the focus that people pay close attention to.Along with the development of science and technology, increasing intelligent watch, Intelligent spire lamella and intelligent glasses etc. start to walk close in the life of people.And this wherein, head-mounted display apparatus is undoubtedly the pioneer in wearable intelligent equipment.Early stage head-mounted display apparatus representative instance is helmet display and glasses television, but due to helmet display too heavy, and glasses television shortcomings such as also to there is volume large, opaque.Along with further developing of head-mounted display apparatus, miniaturization, multi-functional and intelligent glasses that is transparent mode arises at the historic moment.
At the beginning of the invention of glasses, be to correct defects of vision or to protect the optical device made for the purpose of eyes.The design object of the intelligent glasses nowadays on market is mostly normal person, intelligent glasses multi-functional also premised on the use category of normal person.For the crowd having visual impairment, as myopia and farsightedness, then creating much unnecessary trouble when using intelligent glasses, even cannot use intelligent glasses.Such as, user, from as myopia, in daily life, need wear secondary spectacles, to use intelligent glasses, then needs to take spectacles, then wears intelligent glasses.In the past for a long time, user alternately will wear this two kinds of glasses, not only added a lot of trouble, but also likely added ox-eyed myopia degree further, damage the eye health of user.For this reason, be necessary to propose a kind of existing conventional eyeglass vision correction function, have again the glasses of intelligent display function.
[summary of the invention]
The invention provides a kind of self-adaptation transparent display for intelligent glasses.Comprise transparent display screen and zoom lens.
Described transparent display screen is used for displays image information, and when not showing image, described transparent display screen is equivalent to one piece of transparent flat board; When described zoom lens apply voltage, light refraction for being sent by described transparent display screen enters the pupil of human eye, and be imaged on human eye retina, when described transparent display screen does not show image, described zoom lens can as vision correction lens, when described zoom lens do not apply voltage, it is equivalent to one piece of transparent flat board.
Wherein, described transparent display screen comprises a monoblock transparent video screen, also can be embedded in transparent material by a miniature transparent video screen and form.
Wherein, the transparent video screen of described transparent display screen or miniature transparent video screen are self luminous transparent video screen.
Wherein, described zoom lens comprise liquid crystal lens, also comprise liquid lens.
Wherein, described zoom lens comprise single element lens, also comprise the combination of multi-disc lens.
Wherein, described zoom lens can change the focal length of described zoom lens according to the size of driving voltage.
A kind of self-adaptation transparent display for intelligent glasses provided by the invention, when showing for image, comprises two kinds of imaging patterns:
Imaging pattern one is applicable to normal and myopia colony, within described transparent display screen display image is positioned at described zoom lens one times of focal length, the display image of described transparent display screen becomes to amplify the upright virtual image at the object space of described zoom lens, the virtual image that human eye then watches described transparent display screen display Nonlinear magnify upright through described zoom lens.
Imaging pattern two is applicable to normal and farsightedness colony, the display image of described transparent display screen is at described zoom lens one times between focal length and two focus length, the display image of described transparent display screen becomes to amplify the real image stood upside down in the image space of described zoom lens, after this real image enters human eye pupil, imaging on the retina, and its effect is equal to upright enlarged image in human eye direct viewing to object space.
Wherein, described imaging pattern one and described imaging pattern two, can switch according to the change of described zoom lens focal length.
Wherein, the display picture size k of described transparent display screen should meet:
G is the spacing of described transparent display screen and described zoom lens, and d is described zoom lens and the oculopupillary spacing of people, and f is the focal length of described zoom lens, and p is the size of described zoom lens, and e behaves oculopupillary size.
Wherein, at described imaging pattern for the moment, also should meet:
F ' is people's focal length at the moment.
Wherein, when described imaging pattern two, also should meet:
T is people's eye pupil hole and amphiblestroid spacing.
A kind of self-adaptation transparent display for intelligent glasses provided by the invention, when showing for image, described zoom lens are positive lens.
A kind of self-adaptation transparent display for intelligent glasses provided by the invention, when not showing image, if described zoom lens positive lens, then described zoom lens can as a distance vision correction eyeglass.
A kind of self-adaptation transparent display for intelligent glasses provided by the invention, when not showing image, if described zoom lens negative lens, then described zoom lens can as a myoporthosis eyeglass.
Be different from the situation of prior art, the invention has the beneficial effects as follows: a kind of self-adaptation transparent display for intelligent glasses of the present invention, when showing image, transparent display screen is self light emitting display panel, enhances the light intensity contrast ratio of image and extraneous light; Zoom lens have self-adaptation zoom function, according to the size of the focus adjustment imaging picture of zoom lens and image-forming range, also can realize the switching of two kinds of imaging pattern imaging patterns one and imaging pattern two according to the adjustment of focal length, be applicable to different crowds; A kind of self-adaptation transparent display for intelligent glasses of the present invention, goes for the intelligent glasses of monocular display, also goes for the intelligent glasses of Binocular displays, during intelligent glasses for Binocular displays, can realize the function of 3D display.A kind of self-adaptation transparent display for intelligent glasses of the present invention, when not showing image, transparent display screen is equal to one piece of transparent plate, can adaptively modifying zoom lens be positive lens or negative lens by driving voltage, thus a kind of self-adaptation transparent display for intelligent glasses of the present invention is become a distance vision correction or myopic correcting devices.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of self-adaptation transparent display embodiment one for intelligent glasses of the present invention.
Fig. 2 is the structural representation of a kind of self-adaptation transparent display embodiment one transparent display screen for intelligent glasses of the present invention.
Fig. 3 is the principle schematic of a kind of self-adaptation transparent display embodiment one imaging pattern one for intelligent glasses of the present invention.
Fig. 4 is the principle schematic of a kind of self-adaptation transparent display embodiment one imaging pattern two for intelligent glasses of the present invention.
Fig. 5 is the structural representation of a kind of self-adaptation transparent display embodiment two for intelligent glasses of the present invention.
Fig. 6 is the principle schematic of a kind of self-adaptation transparent display embodiment two imaging pattern one for intelligent glasses of the present invention.
Fig. 7 is the principle schematic of a kind of self-adaptation transparent display embodiment two imaging pattern two for intelligent glasses of the present invention.
Fig. 8 is a kind of self-adaptation transparent display embodiment two eyes wide-space Automatic adjusument schematic diagram for intelligent glasses of the present invention.
Fig. 9 is a kind of self-adaptation transparent display embodiment two eyes thin space Automatic adjusument schematic diagram for intelligent glasses of the present invention.
Figure 10 is the principle schematic that a kind of self-adaptation transparent display embodiment two for intelligent glasses of the present invention carries out 3D display.
Figure 11 is the principle schematic of a kind of self-adaptation transparent display embodiment two for intelligent glasses of the present invention as a kind of distance vision correction glasses.
Figure 12 is the principle schematic of a kind of self-adaptation transparent display embodiment two for intelligent glasses of the present invention as a kind of glasses for myoporthosis.
[embodiment]
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is explained in further detail.It should be noted that, following examples for illustration of the present invention, but are not used for limiting concrete scope of the present invention.
Embodiment one
The embodiment of the present invention one provides a kind of monocular intelligent glasses, and its structural representation as shown in Figure 1, specifically comprises intelligent glasses framework 1 and self-adaptation transparent display 2.
Intelligent glasses framework 1 is provided with earphone 3, minisize pick-up head 4, ear-hang 5 and temple 11.
It should be noted that, remove display device 2 in the present embodiment, other all functions modules are all built in temple 11, as microprocessor, and mobile communication module, WIFI, bluetooth and supply module etc.
Self-adaptation transparent display 2 is fitted by transparent display screen 21 and zoom lens 22 and is formed.Wherein, transparent display screen 21 is embedded in transparent material 212 by the miniature transparent display screen 211 of rectangle and forms, as shown in Figure 2.Preferably, described miniature transparent display screen 211 is active matrix organic light-emitting diode (AMOLED) panel (AMOLED) transparent display screen, and transparent material 212 is optical resin.Preferably, zoom lens 22 are made up of single chip liquid crystal lens.
In the present embodiment, when miniature transparent display screen 211 shows image, its emergent ray enters human eye through the refraction of zoom lens 22, produces picture.Regulate the focal distance f of zoom lens 22, make it be greater than the spacing g of miniature transparent display screen 211 and zoom lens 22, then human eye will see that miniature transparent display screen 211 amplifies the upright virtual image through zoom lens 22.Again regulate the focal distance f of zoom lens 22, make 1/2g<f<g, then human eye will see the picture of the material object being equal to upright amplification in space through zoom lens 22.
Concrete, refer to Fig. 3 and Fig. 4, Figure 3 shows that the principle schematic of the present embodiment imaging pattern one, Fig. 4 is the principle schematic of the present embodiment imaging pattern two.The pitch k=10mm of miniature transparent display screen 211, the size p=20mm of zoom lens 22, the spacing g=5mm of miniature transparent display screen 211 and zoom lens 22, the spacing d=8mm of zoom lens 22 and human eye pupil 61, usual human eye pupil 61 size is e=4mm, human eye front focal length f '=17.05mm, the spacing t=24mm of human eye pupil 61 and retina 62.
Regulate the focal distance f=5.102mm of zoom lens 22, then each parameter meets relation:
f>g,
Now, the self-adaptation transparent display 2 in the present embodiment is in imaging pattern one, human eye 6 by self-adaptation transparent display 2 it is seen that miniature transparent display screen 211 amplifies the upright virtual image 7, as shown in Figure 3.
Regulate the focal distance f=4.5mm of zoom lens 22, then each parameter meets relation:
1/2g<f<g,
Now, the self-adaptation transparent display 2 in the present embodiment is in imaging pattern two, human eye 6 by self-adaptation transparent display 2 see as amplified upright material object 8 in object space, as shown in Figure 4.
In the present embodiment, self-adaptation transparent display 2 is when showing for image, and described zoom lens 22 are positive lens.
Embodiment two
The embodiment of the present invention two provides a kind of binocular intelligent glasses, and its structural representation as shown in Figure 5, specifically comprises intelligent glasses framework 1 and self-adaptation transparent display 2.
Self-adaptation transparent display 2 is arranged on the picture frame 12 of intelligent glasses framework 1, and other intelligent function modules of intelligent glasses are embedded in picture frame 12 and temple 11, as microprocessor, and mobile communication module, WIFI, bluetooth and supply module etc.
Self-adaptation transparent display 2 is made up of a monoblock transparent display screen 21 and two pieces of zoom lens 22.Preferably, described transparent display screen 21 is transparent electro luminescent (TASEL) display screen.Except Transparence Display, TASEL display screen also has the feature can holing, bend and cut arbitrary shape.Preferably, zoom lens 22 are made up of two panels rectangle liquid crystal lens, the corresponding human eye of every a slice liquid crystal lens.
In the present embodiment, when transparent display screen 21 shows image, comprise two image display area, respectively the right and left eyes of corresponding people.The size of two image display area and relative position can regulate adaptively according to the difference of the binocular interval of different people, thus eyes finding picture can be overlapped, when two, left and right image display area shows horizontal parallax image respectively, user can watch 3D rendering.Regulate the focal distance f of zoom lens 22, can the imaging pattern of adaptive adjustment transparent display 2.When transparent display screen 21 does not show image, it is equivalent to one piece of transparent plate, being positive lens or negative lens, the intelligent glasses of the present embodiment can be made to become spectacles for long sight or spectacles by changing zoom lens.
Concrete, the spacing d=12mm of zoom lens 22 and human eye pupil 61, for the conventional pitch of glasses and human eye, transparent display screen 21 display image area size is k=7.322mm, zoom lens are of a size of p=15mm, the spacing g=5mm of transparent display screen 21 and zoom lens 22, and usual human eye pupil 61 size is e=4mm, human eye front focal length f '=17.05mm, the spacing t=24mm of human eye pupil 61 and retina 62.
Regulate the focal distance f=5.15mm of zoom lens 22, then each parameter meets relation:
f>g,
Now, the self-adaptation transparent display 2 in the present embodiment is in imaging pattern one, human eye 6 by self-adaptation transparent display 2 it is seen that display image 213 amplify the upright virtual image 7, as shown in Figure 6.
Regulate the focal distance f=4.8mm of zoom lens 22, then each parameter meets relation:
1/2g<f<g,
Now, the self-adaptation transparent display 2 in the present embodiment is in imaging pattern two, human eye 6 by self-adaptation transparent display 2 see as amplified upright material object 8 in object space, as shown in Figure 7.
Fig. 8 is eyes wide-space Automatic adjusument schematic diagram, and Fig. 9 is eyes narrow eye spacing Automatic adjusument schematic diagram.For the user that binocular interval w is larger, as adult, increase transparent display screen 21 shows the location gap w' of image 213 thus makes user watch coincidence picture 214; For the user that binocular interval w is less, as children, reduce transparent display screen 21 shows the location gap w' of image 213 thus makes user watch coincidence picture 214.
Figure 10 is the principle schematic that the present embodiment carries out 3D display.The left image display area of transparent display screen 21 shows left anaglyph 215, and right image display area shows right disparity map 216, merges produce 3D rendering 217 through user's brain.
In the present embodiment, self-adaptation transparent display 2 is when showing for image, and described zoom lens 22 are positive lens.
In the present embodiment, when self-adaptation transparent display 2 does not show image, transparent display screen 21 is equivalent to one piece of transparent plate, zoom lens 22 are regulated to be positive lens, then extraneous light converges by it before entering human eye pupil 61 prerequisite, forms a distance vision correction eyeglass, as shown in figure 11.Regulate zoom lens 22 to be negative lens, then extraneous light is dispersed by it before entering human eye pupil 61 prerequisite, forms a myoporthosis eyeglass, as shown in figure 12.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent array or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (11)
1. for a self-adaptation transparent display for intelligent glasses, it is characterized in that, described device comprises transparent display screen and zoom lens;
Described transparent display screen is autoluminescence transparent video screen, and for displays image information, when not showing image, described transparent display screen is equivalent to one piece of transparent flat board;
Described zoom lens are when applying voltage, light refraction for being sent by described transparent display screen enters human eye pupil, and be imaged on human eye retina, when described transparent display screen does not show image, described zoom lens can as vision correction lens, when described zoom lens do not apply voltage, it is equivalent to one piece of transparent flat board.
2. the self-adaptation transparent display for intelligent glasses according to claim 1, is characterized in that, described in be loaded in when showing for image, comprise two kinds of imaging patterns: imaging pattern one and imaging pattern two.
3. the self-adaptation transparent display for intelligent glasses according to claim 2, it is characterized in that, described imaging pattern one is applicable to normal and myopia colony, within the display image of described transparent display screen is positioned at described zoom lens one times of focal length, the display image of described transparent display screen becomes to amplify the upright virtual image at the object space of described zoom lens, the virtual image that human eye then watches described transparent display screen display Nonlinear magnify upright through described zoom lens, meets following relation between each parameter:
K is the display picture size of transparent display screen, g is the spacing of described transparent display screen and described zoom lens, d is described zoom lens and the oculopupillary spacing of people, f is the focal length of described zoom lens, p is the size of described zoom lens, e behaves oculopupillary size, and f ' is people's focal length at the moment.
4. the self-adaptation transparent display for intelligent glasses according to claim 2, it is characterized in that, described imaging pattern two is applicable to normal and farsightedness colony, the display image of described transparent display screen is at described zoom lens one times between focal length and two focus length, the display image of described transparent display screen becomes to amplify the real image stood upside down in the image space of described zoom lens, after this real image enters human eye pupil, imaging on the retina, its effect is equal to upright enlarged image in human eye direct viewing to object space, meets following relation between each parameter:
K is the display picture size of transparent display screen, g is the spacing of described transparent display screen and described zoom lens, d is described zoom lens and the oculopupillary spacing of people, f is the focal length of described zoom lens, p is the size of described zoom lens, e behaves oculopupillary size, and t is people's eye pupil hole and amphiblestroid spacing.
5. the self-adaptation transparent display for intelligent glasses according to claim 1, is characterized in that, described transparent display screen comprises a monoblock transparent video screen, also can be embedded in transparent material by a miniature transparent video screen and form.
6. the self-adaptation transparent display for intelligent glasses according to claim 1, is characterized in that, described zoom lens are liquid crystal lens or liquid lens, and the focal length of described zoom lens can change according to the size of driving voltage.
7. the self-adaptation transparent display for intelligent glasses according to claim 1, it is characterized in that, described zoom lens comprise single element lens, also comprise the combination of multi-disc lens.
8. the self-adaptation transparent display for intelligent glasses according to claim 1, is characterized in that, when described self-adaptation transparent display carries out image display, described zoom lens are positive lens.
9. the self-adaptation transparent display for intelligent glasses according to claim 1, it is characterized in that, when image does not show described self-adaptation transparent display, if described zoom lens positive lens, then described zoom lens can as a distance vision correction eyeglass.
10. the self-adaptation transparent display for intelligent glasses according to claim 1, it is characterized in that, when image does not show described self-adaptation transparent display, if described zoom lens negative lens, then described zoom lens can as a myoporthosis eyeglass.
The 11. self-adaptation transparent displays for intelligent glasses according to claim 2, is characterized in that, described imaging pattern one and described imaging pattern two, can switch according to the change of described zoom lens focal length.
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| CN110806642A (en) * | 2018-08-06 | 2020-02-18 | 精工爱普生株式会社 | Virtual image display device |
| CN110840721A (en) * | 2019-11-25 | 2020-02-28 | 北京耐德佳显示技术有限公司 | Near-eye display-based eyesight prevention, control and training method and near-eye display equipment |
| CN112147799A (en) * | 2019-06-26 | 2020-12-29 | 点晶科技股份有限公司 | Multifunctional glasses device |
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| CN107959846A (en) * | 2017-12-06 | 2018-04-24 | 苏州佳世达电通有限公司 | Display device and image display method |
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