CN105572926A - Virtual reality device based on controllable liquid crystal lens and adjusting method of virtual reality device - Google Patents
Virtual reality device based on controllable liquid crystal lens and adjusting method of virtual reality device Download PDFInfo
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- CN105572926A CN105572926A CN201610019252.8A CN201610019252A CN105572926A CN 105572926 A CN105572926 A CN 105572926A CN 201610019252 A CN201610019252 A CN 201610019252A CN 105572926 A CN105572926 A CN 105572926A
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- 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
- G02F1/01—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 intensity, phase, polarisation or colour
- G02F1/13—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 intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1313—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 intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells specially adapted for a particular application
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- 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
- G02B30/27—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 involving lenticular arrays
-
- 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
- G02F1/01—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 intensity, phase, polarisation or colour
- G02F1/13—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 intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
Abstract
The invention provides a virtual reality device based on a controllable liquid crystal lens, and relates to the technical field of three-dimensional display. The virtual reality device comprises a display screen and a controllable liquid crystal lens, wherein the controllable liquid crystal lens is arranged on the display screen; the controllable liquid crystal lens comprises a plurality of electrodes; the electrodes are annularly arranged in the controllable liquid crystal lens. As the concentric and annular electrodes are taken as control electrodes, and the electrodes are respectively powered, the focus can be adjusted at any time, the adjustment range is relatively large, and relatively clear display images can be provided. The invention further provides an adjusting method of the virtual reality device. By adopting the adjusting method, the virtual reality device can be applicable to people with different eye sights, and the demands of users of different eye sights can be met.
Description
Technical field
The present invention relates to stereo display technique field, particularly relate to a kind of virtual reality device based on controllable liquid crystal lens and control method thereof.
Background technology
Current virtual reality technology allows user wear VR (VirtualReality, virtual reality) equipment time, the left eye of people sees left visual point image, right eye sees right visual point image, through the fusion of brain, thus see 3D display effect, owing to having worn helmet-type equipment, the eyes of people only see the picture on inner helmet display screen, thus have a kind of intrusion to feel and sensation on the spot in person.
But, the potential certain spinoff of virtual reality system, when virtual reality, the health of people and the inharmonious sensation that can produce discomfort of brain.Be in inharmonious state for a long time, may have a negative impact to the hand eye coordination of human body, balance and multitasking ability.Meanwhile, human eye watches 3D effect for a long time, has eye strain, a uncomfortable sensation such as eye is swollen, and make user can not use VR equipment for a long time, this becomes a limitation point of VR equipment.
Meanwhile, the user of different eyesight, when wearing VR equipment, the picture seen can difference to some extent.Same picture, it is very clear when twenty-twenty user watches, and myopia or the user of long sight can be fuzzyyer when watching, and the picture effect that user that is near-sighted or long sight sees in various degree also has certain difference, this can make user in viewing process, cannot find suitable viewing point or have dizzy sensation, thus having influence on overall experience, this is that VR equipment realizes another popular difficult point.
In addition, the virtual scene needs shown in VR equipment are close to real 3D interface, user is in experience of the process, during the change of visual scene, the variation of display size ratio may be there is, the object finally watched is relatively actual bigger than normal or less than normal, has influence on intrusion sense and the experience effect of user.
Summary of the invention
An object of the present invention is to provide a kind of virtual reality device based on controllable liquid crystal lens, it can realize the switching between 2D picture and 3D picture, can be applicable to the user of different eyesight, makes user obtain clearly visual experience.
The present invention's further object is the control method that will provide a kind of virtual reality device based on controllable liquid crystal lens, and this virtual reality device be made to be applicable to the user of different eyesight, makes user can both obtain visual experience clearly.
Especially, the invention provides a kind of virtual reality device based on controllable liquid crystal lens, display screen and the controllable liquid crystal lens being arranged on display screen front, described controllable liquid crystal lens are arranged between display screen and human eye, described controllable liquid crystal lens comprise multiple electrode, wherein, described multiple electrode comprises at least two in the form of a ring and the ring electrode be arranged in described controllable liquid crystal lens.。
Further, described controllable liquid crystal lens comprise two pieces of glass substrates, multiple electrode described in difference coating inside two pieces of glass substrates, between two pieces of glass substrates, be filled with liquid crystal, described controllable liquid crystal lens form circular drop-shaped lens mirror after electrifying electrodes.
Further, described multiple electrode also comprises plane electrode and vertical bar shaped electrode, and described plane electrode painting is plated on one piece of glass substrate in described two pieces of glass substrates, and described at least two ring electrodes and vertical bar shaped electrode are coated with and are plated on another block glass substrate.
Further, described at least two ring electrodes are that concentric annular is arranged, the circle centre position of at least two ring electrodes described in described vertical bar shaped electrode is then arranged on, described vertical bar shaped electrode is crossing with described at least two ring electrodes to described controllable liquid crystal lens extension.
Further, described multiple electrode draws the input electrode corresponded respectively, and input electrode described in each is connected with a power supply respectively.
Further, described power supply is the adjustable independent current source of voltage.
Further, be coated with the described two pieces of glass substrates after plated electrode inner side, between described glass substrate and described liquid crystal, be provided with alignment film.
Especially, present invention also offers a kind of control method for the above-mentioned virtual reality device based on controllable liquid crystal lens, when ring electrode is not powered, in described controllable liquid crystal lens, the arrangement of liquid crystal keeps virgin state, does not change the direction of propagation of light; When providing voltage respectively to each ring electrode, in described controllable liquid crystal lens, the arrangement mode of liquid crystal molecule changes, and different voltage makes the liquid crystal molecule anglec of rotation different, presents different refractive indexes, changes the direction of propagation of light after liquid crystal molecule.
Further, described virtual reality device selectively shows 2D image or 3D rendering, during the display of 2D image, user's convergent-divergent 2D image is to adapt to user's focal length, then the optical parametric that before Automatically invoked, during the display of 2D image, focusing obtains when 3D rendering shows, the supply voltage controlling each electrode in liquid crystal lens place makes corresponding change, the anglec of rotation changing liquid crystal makes emergent ray direction deflect, respectively the image frame of left view, right view is refracted to user place, allows user see the 3D display frame of best results.
Further, the two pieces of described display screens in left and right are provided with in described virtual reality device, described two pieces of display screens are respectively arranged with controllable liquid crystal lens, when 2D image shows respectively to the left eye of user, right eye is focused, by left eye, the parameter of right eye focusing stores respectively, when opening 3D display frame, the voltage corresponding according to input electrode on the controllable liquid crystal lens on the focusing parameter adjustment left side of left eye, the position that left visual point image is reflected just is suitable for left eye viewing, the voltage corresponding according to input electrode on the controllable liquid crystal lens on the right of the focusing parameter adjustment of right eye, the position that right visual point image is reflected just is suitable for right eye viewing, user is allowed to see the 3D display frame of best results.
Further, be provided with one piece of described display screen, be provided with baffle plate in the middle part of described display screen in described virtual reality device, described display screen is divided into two pieces of independently viewing areas by described baffle plate, and described two pieces of viewing areas are respectively arranged with controllable liquid crystal lens.
Virtual reality device based on controllable liquid crystal lens of the present invention, owing to adopting the electrode of concentric annular as control electrode, and each electrode is powered respectively, therefore can adjusting focal length at any time, and adjustable extent is larger, can provide and show image more clearly.
Further, in the present invention, controllable liquid crystal lens can form circular drop-shaped lens mirror effect, more clear, and can carry out the layout of dot matrix lens, are different from existing monoblock type lens, overcome the uncontrollable defect in lens adjustment region.
Further, for the control method of virtual reality device of the present invention, the present invention can be made to be applicable to the crowd of different eyesight, to meet the demand of the user of various eyesight.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the composition structural representation of the display section of virtual reality device according to an embodiment of the invention;
Fig. 2 is the schematic sectional view according to the controllable liquid crystal lens in one embodiment of the invention;
Fig. 3 is the distribution schematic diagram of the ring electrode in controllable liquid crystal lens described in Fig. 2;
Fig. 4 is the molecular arrangement schematic diagram of the liquid crystal of controllable liquid crystal lens when ring electrode is not powered in one embodiment of the invention;
Fig. 5 is the molecular arrangement schematic diagram of the liquid crystal of controllable liquid crystal lens when ring electrode is powered in one embodiment of the invention;
Fig. 6 is in another embodiment of the present invention, and the principle of work for the controllable liquid crystal lens of normal visual acuity user and approximated user contrasts schematic diagram;
Fig. 7 is the principle of work block diagram of virtual reality device in another embodiment of the present invention.
Embodiment
Embodiment one
Fig. 1 is the composition structural representation of the display section of virtual reality device according to an embodiment of the invention; The virtual reality device based on controllable liquid crystal lens described by the present embodiment, display screen 1 and the controllable liquid crystal lens 2 being arranged on display screen 1 front can be comprised in general manner, so-called front refers to display screen 1 just to the front side of user, and that is described controllable liquid crystal lens 2 are arranged between display screen 1 and human eye.Described controllable liquid crystal lens 2 comprise multiple electrode, and wherein, described multiple electrode comprises at least two in the form of a ring and the ring electrode be arranged in described controllable liquid crystal lens.
Should based on the virtual reality device of controllable liquid crystal lens 2 owing to have employed ring electrode as control electrode in controllable liquid crystal lens 2, the described controllable liquid crystal lens 2 after being energized are made to present circular drop-shaped lens mirror, user is when watching display screen 1, can watch from angle widely, also more easily catch by user, image is more clear, and therefore obtained user's impression is also better.
Fig. 2 is the schematic sectional view according to the controllable liquid crystal lens 2 in one embodiment of the invention, and Fig. 3 is the distribution schematic diagram of the ring electrode 4 in controllable liquid crystal lens 2 described in Fig. 2.With reference to Fig. 2, Fig. 3, the structure of controllable liquid crystal lens 2 in the present embodiment is elaborated.
As shown in Figure 2, described controllable liquid crystal lens comprise two pieces of glass substrates 6, multiple electrode described in difference coating inside two pieces of glass substrates 6, between two pieces of glass substrates 6, be filled with liquid crystal 7, described controllable liquid crystal lens form circular drop-shaped lens mirror after electrifying electrodes.In the present embodiment, electrode can adopt existing ITO electrode, and effect diagram is not as show electrode also can to adopt other, and this is understandable.Further, described multiple electrode also comprises plane electrode 8 and vertical bar shaped electrode 5, and described plane electrode 8 is coated with on one piece that is plated in described two pieces of glass substrates 6, and described at least two ring electrodes 4 and vertical bar shaped electrode 5 are coated with and are plated on another block glass substrate.Wherein, described at least two ring electrodes 4 are arranged in concentric annular, the circle centre position of at least two ring electrodes 4 described in 5, described vertical bar shaped electrode is arranged on, described vertical bar shaped electrode 5 is crossing with described at least two ring electrodes 4 to described controllable liquid crystal lens 2 extension.
In the present embodiment, as shown in Figure 2, described multiple electrode comprises 3 ring electrodes, 4, plane electrode 8 and a vertical bar shaped electrode 5.Described multiple electrode draws the input electrode 3 corresponded respectively, and described in each, input electrode 3 is connected with a power supply respectively.
After powered up, 3 ring electrode 4 energisings make liquid crystal arrangement present the gradient arrangement of ring-type, by adjusting the input voltage of each ring electrode 4, the arrangement of liquid crystal in described controllable liquid crystal lens is presented successively decreased gradually by the refractive index of rims of the lens to lens center, form drop-shaped lens mirror effect, to present the image at place also more clear.
Wherein, above-mentioned power supply is the adjustable independent current source of voltage.Certainly this power supply power supply that also can be adopted to have multiple controllable output voltage, each road output voltage is connected with an input electrode 3 again.In brief, as long as ensure that the input voltage of each input electrode 3 is controlled and independent.The voltage of each input electrode 3 can regulate at any time, also just can adjust the focal length of described controlled hydraulic neck at any time, and adjustable extent is larger, can provide and show image more clearly, meet the demand of user.
In addition, be coated with the described two pieces of glass substrates 6 after plated electrode inner side, between described glass substrate 6 and described liquid crystal, be provided with alignment film.Applying alignment film in the present embodiment is to make liquid crystal can arrange in regular better under electrode effect, to obtain best image display effect.
When ring electrode 4 is not powered, as shown in Figure 4, Fig. 4 is the molecular arrangement schematic diagram of the liquid crystal of controllable liquid crystal lens 2 when ring electrode 4 is not powered in the present embodiment, and in described controllable liquid crystal lens 2, the arrangement of liquid crystal keeps virgin state, does not change the direction of propagation of light; When providing voltage respectively to each ring electrode 4, then as shown in Figure 5, Fig. 5 is the molecular arrangement schematic diagram of the liquid crystal of controllable liquid crystal lens 2 when ring electrode 4 is powered in the present embodiment, in described controllable liquid crystal lens 2, the arrangement mode of liquid crystal molecule changes, different voltage makes the liquid crystal molecule anglec of rotation different, present different refractive indexes, change the direction of propagation of light after liquid crystal molecule.
Embodiment two
Present embodiments provide a kind of control method for the virtual reality device based on controllable liquid crystal lens described by embodiment one, Fig. 7 is the principle of work block diagram of virtual reality device in the present embodiment, first control the adjustment of image scene convergent-divergent with reference to existing scene ratio or through external control input through entire system after picture input, then drive the work of display screen through display screen; And by control liquid crystal lens driving voltage (being sent to the input voltage of each input electrode) and then the refraction controlling described controllable liquid crystal lens when needing 3D to show.That is the picture after rough handling, through display screen driver element, converts the signal mated with display screen to, is input on display screen and shows; Meanwhile, also can control the driving voltage part of liquid crystal lens according to the control signal of outside, make it export suitable voltage, make controllable liquid crystal lens be in corresponding state.Concrete attainable function comprises: 2D/3D switching, dynamically focusing, scene convergent-divergent.
When ring electrode in controllable liquid crystal lens is not powered, as shown in Figure 4, Fig. 4 is the molecular arrangement schematic diagram of the liquid crystal of controllable liquid crystal lens when ring electrode is not powered in the present embodiment, and in described controllable liquid crystal lens 2, the arrangement of liquid crystal keeps virgin state, does not change the direction of propagation of light; When providing voltage respectively to each ring electrode, then as shown in Figure 5, Fig. 5 is the molecular arrangement schematic diagram of the liquid crystal of controllable liquid crystal lens when ring electrode is powered in the present embodiment, in described controllable liquid crystal lens 2, the arrangement mode of liquid crystal molecule changes, different voltage makes the liquid crystal molecule anglec of rotation different, present different refractive indexes, change the direction of propagation of light after liquid crystal molecule.
Described virtual reality device selectively shows 2D image or 3D rendering, during the display of 2D image, user's convergent-divergent 2D image is to adapt to user's focal length, then the optical parametric that before Automatically invoked, during the display of 2D image, focusing obtains when 3D rendering shows, the supply voltage controlling each electrode in liquid crystal lens place makes corresponding change, the anglec of rotation changing liquid crystal makes emergent ray direction deflect, respectively the image frame of left view, right view is refracted to user place, allows user see the 3D display frame of best results.
Can realize like this for the focal length robotization adjustment between twenty-twenty vision, approximate or presbyopic user.Contrast schematic diagram for the principle of work of the controllable liquid crystal lens of normal visual acuity user and approximated user with reference to Fig. 6, Fig. 6; Wherein, left side view is the principle of work schematic diagram of the controllable liquid crystal lens for normal visual acuity user, and right side view is the principle of work schematic diagram of the controllable liquid crystal lens for near-sighted user.
As shown in Figure 6, when supposing that twenty-twenty user watches 3D display frame, adopt the first voltage group to each electrode power supply of liquid crystal lens, light reflects after liquid crystal lens, the distance of its focus and human eye is L1, and now user can see the clear and display effect of best results.For near-sighted user, adopt the second voltage group to each electrode power supply of liquid crystal lens, light is after liquid crystal lens, the distance of its focus and human eye is L2 (L2<L1), display frame is equivalent to further, user is when without wearing spectacles for myopia, and the 3D display frame seen of institute is more clear, and does not have the dizzy sensation waiting discomfort.
And for the different user of eyes myopic degree, adopt the controllable liquid crystal lens that two panels is identical.Particularly, the two pieces of display screens in left and right are provided with in described virtual reality device, described two pieces of display screens are respectively arranged with controllable liquid crystal lens, when 2D image shows respectively to the left eye of user, right eye is focused, by left eye, the parameter of right eye focusing stores respectively, when opening 3D display frame, the voltage corresponding according to input electrode on the controllable liquid crystal lens on the focusing parameter adjustment left side of left eye, the position that left visual point image is reflected just is suitable for left eye viewing, the voltage corresponding according to input electrode on the controllable liquid crystal lens on the right of the focusing parameter adjustment of right eye, the position that right visual point image is reflected just is suitable for right eye viewing, user is allowed to see the 3D display frame of best results.In fact, for this scheme, also can adopt one piece of display screen in the present embodiment, but baffle plate is set at the middle part of this display screen, then two pieces of separated viewing areas, left and right arrange controllable liquid crystal lens more respectively, foregoing invention object can be reached equally.
For the control method of virtual reality device of the present invention, the present invention can be made to be applicable to the crowd of different eyesight, to meet the demand of the user of various eyesight.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. the virtual reality device based on controllable liquid crystal lens, comprise: display screen and the controllable liquid crystal lens being arranged on display screen front, described controllable liquid crystal lens comprise multiple electrode, wherein, described multiple electrode comprises at least two in the form of a ring and the ring electrode be arranged in described controllable liquid crystal lens.
2. virtual reality device according to claim 1, it is characterized in that, described controllable liquid crystal lens comprise two pieces of glass substrates, multiple electrode described in difference coating inside two pieces of glass substrates, between two pieces of glass substrates, be filled with liquid crystal, described controllable liquid crystal lens form circular drop-shaped lens mirror after electrifying electrodes.
3. virtual reality device according to claim 2, it is characterized in that, described multiple electrode also comprises plane electrode and vertical bar shaped electrode, described plane electrode painting is plated on one piece of glass substrate in described two pieces of glass substrates, and described at least two ring electrodes and the painting of vertical bar shaped electrode are plated on another block glass substrate in described two pieces of glass substrates.
4. virtual reality device according to claim 3, it is characterized in that, described at least two ring electrodes are that concentric annular is arranged, the circle centre position of at least two ring electrodes described in described vertical bar shaped electrode is then arranged on, described vertical bar shaped electrode is crossing with described at least two ring electrodes to described controllable liquid crystal lens extension.
5. virtual reality device according to any one of claim 1 to 4, is characterized in that, described multiple electrode draws the input electrode corresponded respectively, and input electrode described in each is connected with a power supply respectively.
6. virtual reality device according to claim 5, is characterized in that, described power supply is the adjustable independent current source of voltage.
7. the virtual reality device according to any one of claim 2 to 6, is characterized in that, be coated with the described two pieces of glass substrates after plated electrode inner side, between described glass substrate and described liquid crystal, be provided with alignment film.
8. a control method for the virtual reality device according to any one of claim 1 to 7, is characterized in that, when ring electrode is not powered, in described controllable liquid crystal lens, the arrangement of liquid crystal keeps virgin state, does not change the direction of propagation of light; When providing voltage respectively to each ring electrode, in described controllable liquid crystal lens, the arrangement mode of liquid crystal molecule changes, and different voltage makes the liquid crystal molecule anglec of rotation different, presents different refractive indexes, changes the direction of propagation of light after liquid crystal molecule.
9. control method according to claim 8, it is characterized in that, described virtual reality device selectively shows 2D image or 3D rendering, during the display of 2D image, user's convergent-divergent 2D image is to adapt to user's focal length, then the optical parametric that before Automatically invoked, during the display of 2D image, focusing obtains when 3D rendering shows, the supply voltage controlling each electrode in liquid crystal lens place makes corresponding change, the anglec of rotation changing liquid crystal makes emergent ray direction deflect, respectively by left view, the image frame of right view is refracted to user place, user is allowed to see the 3D display frame of best results.
10. control method according to claim 9, it is characterized in that, the two pieces of described display screens in left and right are provided with in described virtual reality device, described controllable liquid crystal lens are respectively arranged with in described two pieces of display screen fronts, when 2D image shows respectively to the left eye of user, right eye is focused, by left eye, the parameter of right eye focusing stores respectively, when opening 3D rendering display, the voltage corresponding according to input electrode on the controllable liquid crystal lens on the focusing parameter adjustment left side of left eye, the position that left visual point image is reflected just is suitable for left eye viewing, the voltage corresponding according to input electrode on the controllable liquid crystal lens on the right of the focusing parameter adjustment of right eye, the position that right visual point image is reflected just is suitable for right eye viewing, user is allowed to see the 3D display frame of best results,
Preferably, one piece of described display screen is provided with in described virtual reality device, be provided with baffle plate in the middle part of described display screen, described display screen is divided into two pieces of independently viewing areas by described baffle plate, and described two pieces of viewing areas are respectively arranged with described controllable liquid crystal lens.
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