Invention content
The present invention provides a kind of VR glasses, so that VR glasses have the field of view angle of bigger, and reduces its algorithm that distortsComplexity, promoted immersive effects.
The present invention provides a kind of VR glasses, including：Wearing portion and Virtual Reality lens body, the wearing portion with it is describedVR lens bodies connect, for fixing the position of wearer and VR lens bodies；The VR lens bodies include：
Liquid crystal display LCD, for showing initial pictures；Wherein, the liquid crystal display LCD is camber display screen；
Image processor, the initial pictures for being shown to the LCD pre-process, and obtain the first image；
Lens, for forming the second image in human eye retina after being focused to the first image.
Optionally, the curved surface radian of the liquid crystal display LCD is towards lens direction.
Optionally, the viewing area boundary light beam of the LCD enters human eye after the lens focus, wherein, after focusingLight beam and human eye parallel views between angle be denoted as β, then the field of view angle of the VR glasses be 2 β, the value of 2 β is by LCD'sThe crooked radian of viewing area and the distance between LCD and lens decision.
Optionally, the VR lens bodies further include：Shell, the LCD and image processor are set inside the housing, outsideShell is provided with lens mounting hole close to the side of human eye, and the lens are mounted in the lens mounting hole.
Optionally, the shell is additionally provided with enclosing part close to the side of human eye, and the enclosing part covers the lensRegion other than mounting hole, and match with the face structure of face；Wherein, the enclosing part surface mount has dismountable suctionWet gasket, the moisture absorption gasket are used to adsorb the sweat and grease of face discharge.
Optionally, described image processor is specifically used for：
According to the focal length of lens, the radian of LCD, initial pictures are handled into line distortion, the first image to be distorted；InstituteThe first image of distortion is stated after lens imaging, forms the second image；Wherein, the distortion effect of lens and the first figure of distortionAs cancelling out each other, so that the image of the LCD forms the second image normally shown in human eye retina.
Optionally, the LCD is flexible curved surface display screen, and the crooked radian of the LCD can be configured as needed.
Optionally, when the distance between the center of the LCD and the center of lens remains unchanged, the visual field of the LCDThe field of view angle of plane LCD that angle is more than same size, same distance is set.
Optionally, the wearing portion includes：Head rest and fixed bandage, the head rest by two connecting ropes respectively with it is describedThe both ends connection of VR lens bodies, the upper end of the head rest is connected with one end of the fixed bandage, the fixed bandage it is anotherOne end is connected with the upper end of the VR lens bodies；Wherein, the connecting rope and the adjustable in length of bandage.
Optionally, the head rest is globoidal structure, and cambered surface is towards the direction of the VR lens bodies.
VR glasses provided by the invention fix the position of VR lens bodies and human eye by wearing portion, wherein, the VRLens body shows initial pictures, and by image processor come to described using the liquid crystal display LCD of camber display screenThe initial pictures that LCD is shown obtain the first image after being pre-processed；Finally the first image is focused in human eye using lensOn retina.The present invention uses the LCD of camber display screen, in the case where not changing VR lens bodies space and lens parameter,The field of view angle of VR glasses is extended, improves the immersive effects of VR glasses.In addition, it is shown just using the LCD of camber display screenDuring beginning image, partial offset to the distortion effect of image, reduces the operation of image processor to a certain extent by lensComplexity.
Term " first ", " second ", " third " " in description and claims of this specification and above-mentioned attached drawingThe (if present)s such as four " are the objects for distinguishing similar, and specific sequence or precedence are described without being used for.It should manageThe data that solution uses in this way can be interchanged in the appropriate case, so that the embodiment of the present invention described herein for example can be to removeSequence other than those for illustrating or describing herein is implemented.In addition, term " comprising " and " having " and theirs is anyDeformation, it is intended that cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, productionProduct or equipment are not necessarily limited to those steps or unit clearly listed, but may include not listing clearly or for thisThe intrinsic other steps of processes, method, product or equipment or unit a bit.
Technical scheme of the present invention is described in detail with specifically embodiment below.These specific implementations belowExample can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Hereinafter, the part term in the application is explained, in order to those skilled in the art understand that.
1) virtual reality (Virtual Reality, VR) glasses, abbreviation VR is shown or VR glasses, is to utilize to emulate skillThe product of the multiple technologies set such as art and computer graphics human-machine interface technology multimedia technology sensing technology network technology isBy a kind of brand-new human-computer interaction means of computer and newest sensor technology creation.
2) liquid crystal display (Liquid Crystal Display, LCD) refers to work as in the parallel glass substrate of two panelsMiddle placement liquid crystal cell, setting TFT (thin film transistor (TFT)) on lower baseplate glass set colored filter on upper substrate glass, pass throughSignal on TFT changes the rotation direction to control liquid crystal molecule with voltage, goes out so as to reach each pixel polarised light of controlThe or not of penetrating reach display purpose.
3) visual field (Field of View, FOV) refers to the region that camera lens (human eye) can cover.
When user is by using virtual reality products, it can visually generate and a kind of be immersed in a kind of ring of virtual realityIt is experienced in border, the feeling of user's one kind " on the spot in person ".Wear-type VR devices (such as VR glasses, the VR helmets) be at present on the marketWear-type VR devices are worn at the moment by most common virtual reality products, when use, then by video data access wear-type VRDevice can enjoy the films and television programs with three-dimensional (3Dimensional, 3D) effect anywhere or anytime.
Wear-type VR devices can be divided into integral type wear-type VR devices and separate type wear-type VR according to the difference of structureDevice, wherein integral type wear-type VR devices are that video play device is integrated in wear-type VR devices, without itThe broadcasting of 3D videos can be completed in his equipment, and separate type wear-type VR devices include：Wear-type VR device bodies and with instituteThe video play device that wear-type VR device bodies are connected is stated, the video play device and wear-type VR device bodies are separableTwo parts, 3D videos could be carried out by needing video play device being installed on the corresponding position of wear-type VR device bodiesIt plays, the usual video play device is the Intelligent mobile equipment that smart mobile phone or tablet computer etc. have video playback capability.VR glasses in the present invention are the VR glasses for being directed to integral type wear-type VR devices and having video playback capability.
For the ease of understanding the technical solution in the present invention, the field of view angle and human eye vision of VR glasses are said belowIt is bright.
Human vision is made of two parts visual field, monocular FOV and binocular FOV；Monocular FOV refers to simple eye regard；Binocular FOV refers to total visual field of two eyes of people.Total visual field (i.e. binocular FOV) of two eyes of people has nearly 200 degree,It is binocular vision region that middle section, which probably has 120 degree, and each 40 degree of both sides are monocular vision regions.VR field angles are that VR immersesOne key factor of sense.VR visual fields are wider, more help to create feeling of immersion and telepresenc.Either real world or voidIntend head to show, most of action are all happened in three-dimensional binocular visual field.
Fig. 1 is the light path schematic diagram of VR glasses in the prior art；Field of view angle is 2 α.Fig. 2 in the prior art withoutView of the LCD image of distortion correction processing after by lens；Fig. 3 is handled for plane LCD image without distortion correctionWhen image schematic diagram after lens；Fig. 4 is the figure after lens when plane LCD image is handled by distortion correctionAs schematic diagram.As shown in figure 4, the image progress that existing VR glasses need complicated algorithm to show liquid crystal display LCD is abnormalChange is handled, to offset the distortion effect of spherical curvature eyeglass in VR glasses, so as to form normal image on human eye retina.
But VR glasses can only achieve 110 degree in the case of screen size and the lens parameter limit in the prior artField angle, and the binocular vision region of human eye is about 120 degree, so as to which the immersive effects of VR glasses can be influenced.
VR glasses provided by the invention, it is intended to solve the as above technical problem of the prior art.
How the technical solution of technical scheme of the present invention and the application is solved with specifically embodiment below above-mentionedTechnical problem is described in detail.These specific embodiments can be combined with each other below, for the same or similar conceptOr process may repeat no more in certain embodiments.Below in conjunction with attached drawing, the embodiment of the present invention is described.
Fig. 5 is the structure diagram of VR glasses that the embodiment of the present invention one provides, as shown in figure 5, the VR in the present embodimentGlasses can include：
Wearing portion 3 and VR lens bodies 1, the wearing portion 3 is connect with the VR lens bodies 1, for fixing wearerWith the position of VR lens bodies 1；The VR lens bodies include：
Liquid crystal display LCD, for showing initial pictures；Wherein, the liquid crystal display LCD is camber display screen；
Image processor, the initial pictures for being shown to the LCD pre-process, and obtain the first image；
Lens 2, for forming the second image in human eye retina after being focused to the first image.
Optionally, the VR lens bodies further include：Shell, the LCD and image processor are set inside the housing, outsideShell is provided with lens mounting hole close to the side of human eye, and the lens are mounted in the lens mounting hole.
In the present embodiment, liquid crystal display LCD, image processor are encapsulated in the accommodation space of VR lens bodies 1, becauseThis is not directly visible in Figure 5.Experience in view of the comfort level of wearer and mitigate wearer's face burden as far as possible,When designing the accommodation space inside VR lens bodies 1, understand according to the distance between the parameter and LCD of lens 2 and lens 2,Select the LCD of corresponding size.The present embodiment use using camber display screen LCD, do not change VR lens bodies space and thoroughlyIn the case of mirror parameter, the field of view angle of VR glasses is extended, improves the immersive effects of VR glasses.In addition, it is shown using curved surfaceWhen the LCD of display screen shows initial pictures, partial offset to the distortion effect of image, reduces figure by lens to a certain extentAs the computational complexity of processor.
In one embodiment, the curved surface radian of the liquid crystal display LCD is towards lens direction.
Specifically, Fig. 6 is the light path schematic diagram of the VR glasses in one embodiment of the invention, as shown in fig. 6, LCD curved surfacesRadian is towards lens.Optionally, the viewing area boundary light beam of LCD enters human eye after the lens focus, wherein, after focusingLight beam and human eye parallel views between angle be denoted as β, then the field of view angle of the VR glasses be 2 β, the value of 2 β is by LCD'sThe crooked radian of viewing area and the distance between LCD and lens decision.
Optionally, when the distance between the center of the LCD and the center of lens remains unchanged, the visual field of the LCDThe field of view angle of plane LCD that angle is more than same size, same distance is set.
Fig. 7 is the light path contrast schematic diagram of the VR glasses in one embodiment of the invention and existing VR glasses, such as Fig. 7 institutesShow, in the case where the center of LCD is as the distance of lens centre, the field of view angle using the LCD of camber display screen is bigField of view angle when using flat-faced screen LCD.By taking 3.8 inches of LCD display as an example, lens diameter 40mm, saturatingWhen mirror and LCD centre distances are 35mm, increased using the LCD ratios of camber display screen using the field of view angle of flat-faced screen LCD10 degree or so.
The present embodiment fixes the position of VR lens bodies and human eye by wearing portion, wherein, the VR lens bodies are adoptedInitial pictures are shown with the liquid crystal display LCD of camber display screen, and first to be shown to the LCD by image processorBeginning image obtains the first image after being pre-processed；Finally the first image is focused on human eye retina using lens.ThisInvention, in the case where not changing VR lens bodies space and lens parameter, extends VR glasses using the LCD of camber display screenField of view angle, improve the immersive effects of VR glasses.
When showing initial pictures using the LCD of camber display screen, partial offset by lens to the distortion effects of image,Reduce the computational complexity of image processor to a certain extent.The present embodiment breaches the existing VR glasses field of view angle limit,120 degree can be reached, the binocular vision region of human eye is completely covered, effectively promote the immersive effects of VR glasses, promote userExperience.
In one embodiment, the shell of VR lens bodies is additionally provided with enclosing part close to the side of human eye, described to encloseConjunction portion covers the region other than the lens mounting hole, and matches with the face structure of face.
In one embodiment, can there are dismountable moisture absorption gasket, the moisture absorption in the enclosing part surface mountGasket is used to adsorb the sweat and grease of face discharge.
The present embodiment, by the dismountable moisture absorption gasket of enclosing part surface mount, avoid face skin with enclosing partIt is in direct contact, promotes the comfort of wearer.And it is possible to moisture absorption gasket is disassembled into cleaning replacement, relatively sanitary convenience.
Alternatively it is also possible to using PTFE (Polytetrafluoroethylene, polytetrafluoroethylene (PTFE)) materials or fluororesinThe moisture absorption gasket of material, after user removes VR glasses, when the moisture absorption panel is exposed in the free environments of ambient temperature and moisture,The humidity of moisture absorption gasket at this time is higher than surrounding enviroment, can discharge moisture automatically, kept again with the consistent of ambient humidity, withStandby user is used next time.And the moisture absorption gasket can moisture absorption/moisture releasing repeatedly, realization recycle and mostThe effect of permanent lens antifogging is realized eventually.
Further, the area of the moisture absorption gasket is not less than 20cm.When moisture absorption gasket uses PTFE materials or fluororesinDuring material, minimum area is not less than 20cm.That is, if the area of eyeglass is larger, the face of moisture absorption gasket to be used is neededProduct to enhance moisture sorption effect, and then preferably absorbs user in use, face and VR lens bodies in requisition for corresponding increaseIt is bonded the moisture of the opposite confined space formed.
Optionally, accommodating cavity is formed in the VR lens bodies, eyeglass mounting portion, installation surface and moisture absorption gasket are equalIn the accommodating cavity.
Further, in the present embodiment, when user uses VR glasses, the enclosing part of face and VR lens bodies is mutualFitting, makes the accommodating cavity form relatively closed space.In user's wearing after the VR lens bodies, due to wearingThe difference of tightness and personal facial characteristics, the confined space size of formation would also vary from, and reach to ensurePreferable moisture sorption effect, the area of the moisture absorption gasket are calculated according to the maximum volume of the confined space estimated.
In one embodiment, described image processor is specifically used for：
According to the focal length of lens, the radian of LCD, initial pictures are handled into line distortion, the first image to be distorted；InstituteThe first image of distortion is stated after lens imaging, forms the second image；Wherein, the distortion effect of lens and the first figure of distortionAs cancelling out each other, so that the image of the LCD forms the second image normally shown in human eye retina.
Referring to Fig. 3, Fig. 4, by taking square lattice pattern as an example, when plane LCD shows normal square lattice image,Image after lens can be distorted.This process is similar to distorting mirror principle, and details are not described herein again.
In order to avoid image seen by person is distorted, need as shown in Figure 4 to carry out the image that plane LCD is shownAdvance distortion processing.And the image of distortion processing in advance and the distortion effect of lens are just offset, it is at this moment, seen by personIt is only normal image.
The present embodiment, using the LCD of camber display screen, in the situation for not changing VR lens bodies space and lens parameterUnder, the field of view angle of VR glasses is extended, improves the immersive effects of VR glasses.In addition, the LCD using camber display screen is shownDuring initial pictures, partial offset, to the distortion effects of image, to a certain extent reduces the fortune of image processor by lensCalculate complexity.
Optionally, the LCD is flexible curved surface display screen, and the crooked radian of the LCD can be configured as needed.
In the present embodiment, it can select using LCD of the flexible curved surface display screen as VR glasses, according to the design of VR glassesIt is required that adjust the crooked radian of LCD.
The present embodiment, as a result of the LCD of camber display screen, this also means that, the initial pictures that LCD is shown are in itselfThrough forming the algorithm similar to the fault image on the right side of Fig. 4, therefore when being handled into line distortion initial pictures, pre-processedComplexity can decline.
In one embodiment, the wearing portion 3 of VR glasses includes：Head rest and fixed bandage, the head rest pass through twoBoth ends of the connecting rope respectively with the VR lens bodies are connect, and the upper end of the head rest is connected with one end of the fixed bandage,The other end of the fixed bandage is connected with the upper end of the VR lens bodies；Wherein, the connecting rope and the length of bandageIt is adjustable.
Optionally, the head rest is globoidal structure, and cambered surface is towards the direction of the VR lens bodies.
The present embodiment holds the head of people by head rest, reduces pressure of the common bandage to head part, and utilization and head restConnected fixation bandage limits the displacement of VR lens bodies in the vertical direction.So as to as much as possible limit VR lens bodies withThe position of face mitigates the active force that face is born when wearing VR glasses, improves the comfort level of wearer.
In one embodiment, the side of the shell of VR glasses is provided with heat-sink unit, heat-sink unit unicom VR glassesOntology includes the dust-proof wire side and foam copper that set gradually from outer to inner on the heat-sink unit.
In the present embodiment, by opening up heat-sink unit in the side of VR lens bodies, heat-sink unit in VR lens bodiesThe cavity unicom of set and VR lens body shells, component particularly wireless communication module and HDMI between such shell and inner sleeveThe heat of interface is discharged by foam copper.
Foam copper in the present embodiment is a kind of novel heat sink material, its structure is similar with sponge, smaller volumeThe surface area of super large is provided simultaneously with, air can pass freely through wherein, quietly discharge heat.
Optionally, the dust-proof wire side set on the outside of foam copper prevents the dust of outside air from invading in foam copper, ensuresThe heat dissipation effect of foam copper.The rate of heat dissipation of shell and inner sleeve is thus increased, component is steady between guarantee shell and inner sleeveFixed work, avoids VR lens body shells from scalding heat so that wearer has more comfortable wearing sense.
In one embodiment, the magnetic mechanism being made of electromagnet and flat thin magnet is additionally provided on VR glasses, electromagnet is solidSurely it is connected on VR glasses, flat thin magnet is sleeved on by rubbery loop in the temple of traditional eyewear, changes the magnetic pole of electromagnet, i.e.,Attracting and repelling for electromagnet and flat thin magnet can be achieved.
In the present embodiment, when wearing VR glasses, the state that is attracted each other using electromagnet and flat thin magnet can effectively ensure thatStability between VR glasses and traditional eyewear, when VR glasses need to be taken, using electromagnet and the mutually exclusive state of flat thin magnet,It can be acted on when taking VR glasses using the magnetic repulsion of electromagnet and flat thin magnet so that glasses are fixedly secured on face, are hadEffect solves the problems, such as falling for traditional eyewear.
In addition, it is connected between electromagnet and flat thin magnet with filament, it is ensured that just in case the traditional eyewear fallen still can be in filamentIt pulls down and is suspended on VR glasses, avoid the generation that traditional eyewear falls phenomenon.
In one embodiment, fan is additionally provided on VR glasses, fan can dry up human ear and contact position with traditional eyewearThe sweat put, ensure that between traditional eyewear and human ear still has sufficient frictional resistance, be further ensured that take VR glasses whenTraditional eyewear will not be pulled due to VR glasses and traditional eyewear is caused to fall ground damage by waiting.
In one embodiment, a circle monitoring holes are offered on the shell of VR glasses, are provided in the monitoring holesDistance measurement element is provided with electric controlled door in the medial end of monitoring holes, and the electric controlled door is normal closed gate；Electric controlled door, distance measurement element are equalIt is connect with control chip, power sourced electric.
VR glasses in the present embodiment are capable of the distance of intelligent-induction user and surrounding objects, timely call user's attentionObjective direction is accomplished to predict and cope in advance, under the premise of ornamental, game is not interfered, effectively reduces the unexpected generation such as collision.
In one embodiment, the shell of VR glasses is detachable structure, and curved surface LCD and image processor are encapsulated inIn one seal modules, wearer can disassemble the seal modules, replace with common VR eyeglass, at this timeBecome common 3D glasses, user can watch 3D films by 3D glasses.
The above is only presently preferred embodiments of the present invention, and limitation in any form is not done to the present invention, thoughSo the present invention is disclosed above with preferred embodiment, however is not limited to the present invention, any technology people for being familiar with this professionMember, in the range of technical solution of the present invention is not departed from, when the technology contents using the disclosure above make a little change or repairThe equivalent embodiment for equivalent variations is adornd, as long as being the content without departing from technical solution of the present invention, technology according to the present invention is realAny simple modification, equivalent change and modification that confrontation above example is made still falls within the range of technical solution of the present inventionIt is interior.
In the description of the present invention, it is to be understood that used term " " center ", " length ", " width ", " thicknessDegree ", " top ", " bottom end ", " on ", " under ", "left", "right", "front", "rear", " vertical ", " level ", " interior ", " outer " " axisTo ", the indicating positions such as " circumferential direction " or position relationship all can be based on orientation shown in the drawings or position relationship, merely to justIn the description present invention and simplify description rather than instruction or imply signified position or original paper must have specific orientation, withSpecific construction and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.It should be interpreted broadly, such as can be fixedly connected or be detachably connected or be integrally formed；Can be mechanical connection,Can also be electrically connected or can communicate with one another；It can be directly connected, can also be indirectly connected by intermediary, it can be withMake the connection inside two elements or the interaction relationship of two elements.For the ordinary skill in the art, may be usedTo understand the concrete meaning of above-mentioned term in the present invention as the case may be.
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice invention disclosed hereinIts embodiment.The present invention is directed to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes orPerson's adaptive change follows the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosureOr conventional techniques.Description and embodiments are considered only as illustratively, and the true scope and spirit of the disclosure are by followingClaims are pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, andAnd various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by appended claimsSystem.