The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of near-eye display system.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of near-eye display system, including：Reflecting surface bodyAnd display screen, lens subassembly is provided between the reflecting surface body and the display screen, the reflecting surface body described can showThe picture light of display screen reflexes to eyes.
Further, the reflecting surface body can rotate in drawing axis, and reflecting surface body rotation can form followingState,
Working condition：The light that the display screen sends passes sequentially through the refraction amplification of the lens subassembly and the reflectionThe reflex of face body, last incoming eyes；
Closed mode：The reflecting surface body is close to the lens subassembly by rotation, and the reflecting surface body does not block eyesFront to sight line.
Further, the reflecting surface body is arranged in fulcrum or rotating shaft, and the reflecting surface body along the fulcrum or can turnAxle rotates, and the reflecting surface body rotates when becoming working condition from closed mode, and the angle of rotation is between 15-75 °.
Further, the lens subassembly can promote reflecting surface body to rotate in displacement process.
Further, the lens subassembly includes fixture and the amplifying lens being arranged in fixture.
Further, the amplifying lens is convex lens or the Fresnel Lenses for possessing amplification.
Further, the display screen and the lens subassembly set gradually up and down, and the display screen and the lens groupPart displacement eyes front upper place.
Further, pasted on the reflecting surface body with or plated with single-way perspective membrane, light can be passed through from reflecting surface body sideAnd incoming eyes；The reflectance coating pastes or is plated in reflecting surface body on the surface of eyes one side.
Further, the reflecting surface body is minute surface, the reflecting layer of the minute surface（Such as silver coating）It is close to positioned at reflecting surface bodyOn the surface of eyes one side.
Further, under the working condition, the reflecting surface body towards eyes one side be concave structure.
Further, under the working condition：The light of the reflecting surface body reflection is incoming along the positive apparent direction of the eyesEyes.
Further, the spacing between the lens subassembly and the display screen is adjustable, and/or the lens subassembly and describedPosition is adjustable between the entirety and display system body of display screen composition.
Further, when the spacing between the lens subassembly and the display screen is adjusted, the lens subassembly is along itselfThe axial movement of optical axis.
The present invention solves defect present in background technology, and the present invention possesses following beneficial effect：
（1）It is located at user's eyebrow or forehead by by display screen, when user's eye level faces front, what display screen sentPicture light down, is then processed by the refraction of lens subassembly vertically, and user is reflexed in the reflecting surface body for being inclined by settingEyes.I.e.：By the effect of reflecting surface body, display screen can be made closer to the face of people, such equipment along sight extensionThe thickness of direction protrusion face just effectively shortens, and then reduces equipment by way of reflecting surface structural reform becomes light propagation pathVolume.
（2）The turning effort that reflecting surface body passes through itself, is conveniently adjusted the propagation angle of the picture light that display screen sends,Ensure that eyes of user can receive the suitable picture light of angle；Simultaneously because the rotation of reflecting surface body can be formed folding andWhen launching effect, such as closed mode, reflecting surface body rotates to be shunk to lens subassembly and display screen direction and folds, equipment overall volumeCan be smaller, now reflecting surface body act as protective cover by the protection of the precise parts such as lenticular display screen, and reflecting surface body is basicEyes front is left, user's sight line is not interfered with, also can be outside unobstructed observation without this empirical system is removed from headBoundary's environment；Such as working condition, reflecting surface body principle lens subassembly and display screen are formed and cut oblique expansion effect, are presented in user's eyeFront just user's viewing.
Specific embodiment
Presently in connection with drawings and Examples, the present invention is further detailed explanation, and these accompanying drawings are simplified signalFigure, only illustrates basic structure of the invention in a schematic way, therefore it only shows the composition relevant with the present invention.
As depicted in figs. 1 and 2, a kind of near-eye display system, including：Reflecting surface body and display screen, reflecting surface body and displayLens subassembly is provided between screen, the picture light of display screen can be reflexed to eyes by reflecting surface body.Set by by display screenAt user's eyebrow or forehead, when user's eye level faces front, the picture light that display screen sends is vertical down, thenProcessed by the refraction of lens subassembly, eyes of user is reflexed in the reflecting surface body for being inclined by setting.I.e.：By reflecting surface bodyEffect, can make display screen closer to the face of people, and such equipment just has along the thickness that the bearing of trend of sight protrudes faceEffect shortens, and then the volume of equipment is reduced by way of reflecting surface structural reform becomes light propagation path.
Reflecting surface body can rotate in drawing axis, and the rotation of reflecting surface body can form following state：（1）Work shapeState：The light that display screen sends passes sequentially through the refraction amplification of lens subassembly and the reflex of reflecting surface body, finally passesEnter eyes；（2）Closed mode：Reflecting surface body is not blocked immediately ahead of eyes by rotation near lens subassembly, and reflecting surface bodyTo sight line.The turning effort that reflecting surface body passes through itself, is conveniently adjusted the propagation angle of the picture light that display screen sends, and protectsCard eyes of user can receive the suitable picture light of angle；Simultaneously because the rotation of reflecting surface body can form folding and open upWhen opening effect, such as closed mode, reflecting surface body rotates to be shunk to lens subassembly and display screen direction and folds, equipment overall volume meetingSmaller, now reflecting surface body act as protective cover and protect the precise parts such as lenticular display screen, and reflecting surface body it is basic fromWiden the view immediately ahead of eyeball, do not interfere with user's sight line, also can the unobstructed observation external world without this empirical system is removed from headEnvironment；Such as working condition, reflecting surface body principle lens subassembly and display screen are formed and cut oblique expansion effect, are presented in user at the momentUser is facilitated to watch.
Reflecting surface body is arranged in fulcrum or rotating shaft, and reflecting surface body can rotate along fulcrum or rotating shaft, and reflecting surface body is from passWhen closed state rotation becomes working condition, between 15-75 °, preferably 30-60 °, further best angle is 45 ° to the angle of rotation±3°.In ± 3 ° at 45 ° or so of the reflecting surface bodily form, 90 ° or so of light line reflection that it can be sent with display screen is rear with sight baseThis parallel incoming eyes of user, the picture light that now eyes of user is obtained does not have distortion phenomenon substantially, and image quality comparesHeight, Consumer's Experience is preferably also.The selection of fulcrum or rotating shaft needs to be set according to specific mounting structure, and rotating shaft can meetDimension rotation of the reflecting surface body with rotating shaft as axis, fulcrum can be ball head structure, and it can meet reflecting surface body with fulcrumFor the two-dimensionses for turning the heart rotate；The driving equipment that the rotation of reflecting surface body can be connected by itself simultaneously is rotated, or is usedFamily free manual rotation regulation, or promote reflecting surface body passively to rotate by the displacement of lens subassembly.
Lens subassembly includes fixture and the amplifying lens being arranged in fixture, and amplifying lens is convex lens or possessesThe Fresnel Lenses of amplification.Fixture can be columnar structured, and lens are concentric to be embedded installed in cylindrical shape fixtureIn, display screen is fixed on fixture one end by another fixing device, and display screen can be deep into one end distance in fixture,Reflecting surface body is arranged on the fixture other end simultaneously；Plane where display screen is parallel to each other with the plane where lens, and aobviousSpacing between display screen and lens can be relatively moved, and mobile scope exists defined below：If lens are amplifying lens,Display location in amplifying lens focus between amplifying lens body.
Single-way perspective membrane (is also one-way membrane, mirror film etc.）, refer to that a kind of patch or be plated on glass can make the glass pair canSee that light has the film of very high reflectance.Single-way perspective membrane, it is possible to achieve when outdoor than it is indoor bright when, half mirror with it is generalLogical mirror is similar, and the scenery of interior be can't see in outdoor, but interior can see the effect of the scenery of outdoor, present single-way perspective membrane clearlyIt is widely used in life glass-film at home.
Display screen and lens subassembly set gradually up and down, and display screen and lens subassembly displacement eyes front upper place.This structureCan ensure that near-eye display system will not integrally protrude the outer blocked up distance of user's face, be conducive to the small-sized of near-eye display systemChange.
The structure of reflecting surface body can be following two situations：
Situation one：Pasted on reflecting surface body with or plated with single-way perspective membrane, light can be passed through and incoming eye from reflecting surface body sideEyeball；Reflectance coating pastes or is plated in reflecting surface body on the surface of eyes one side.After so user wears near-eye display system, reflectionFace body is located at drawing axis, and now the ambient light on user periphery by the incoming eyes of user of reflecting surface body, and can now reflectThe single-way perspective membrane of face body also possesses minute surface effect, and it to eyes of user, now uses the picture light synchronous reflection of display screenWhat family eyes were received is the synchronous Overlay of ambient light and reflected light.
Situation two：Reflecting surface body is minute surface, the reflecting layer of minute surface（Such as silver coating）Eyes are close to positioned at reflecting surface body simultaneouslySurface on.Situation two does not possess the function of superposition ambient light, but all shields whole ambient lights for it, now userEyes can receive the display screen picture light not influenceed by background light.
Situation sets single in reflecting surface body on the surface of eyes one side respectively in the two of above-mentioned situation one and situation twoTo perspective film and reflecting layer, the image ghosting phenomenon occurred if placed at another side can be so avoided, image quality effect is more preferable.
Under in working order, reflecting surface body towards eyes one side be concave structure.Reflecting surface body is set by itselfCurved surface or globoidal structure, can possess certain picture amplification effect, and this structure can to a certain extent in complementary lens componentThe amplification of lens, sets the lens amplification for replacing lens subassembly under certain conditions.
Under in working order：The light of reflecting surface body reflection is along the eyes incoming eyes of positive apparent direction, the picture of such display screenFace can substantially distortionless incoming eyes.
Relative position relation between lens subassembly and display screen there may be following three kinds of situations：
Situation one：Spacing between lens subassembly and display screen is adjustable, and this structure can be simple for lens in lens subassemblyFocal length be adjusted, so as to meet user to eyes receive picture definition and virtual image size adjustment demand.
Situation two：Position is adjustable between lens subassembly and the entirety and near-eye display system body of display screen composition, this knotStructure can be simple adjustment near-eye display system in off position with working condition when volume size, particularly can be on the wholeThe overall shrinkage that lens subassembly and display screen are constituted reduces equipment body in off position to near-eye display system body interiorProduct.
Situation three：Spacing between lens subassembly and display screen is adjustable, while the entirety of lens subassembly and display screen compositionPosition is adjustable between display system body.The structure of situation three can part take into account the above-mentioned effect for asking money one and situation twoReally.
When the spacing between lens subassembly and display screen is adjusted, lens subassembly is moved along the axial direction of the optical axis of itself lensIt is dynamic.The Focussing of so lens is not in distortion.Enlarging function lens are fixed in lens mount, by motor or itsIts mode control realization moves up and down, and promotes the reflecting surface body that level crossing makes to be rotated around level crossing pivot point or rotating shaft,Location of displays is fixed.
Display module closed mode：Lens are withdrawn with lens subassembly and level crossing, and human eye viewing sight line is not blocked；
Display module working condition：Lens are moved downward with lens subassembly, promote level crossing to open, by the amplification virtual image of displayIt is presented on human eye viewing areas.Level crossing may be selected translucent level crossing.
It is above enlightenment according to desirable embodiment of the invention, by above-mentioned description, related personnel completely can be withWithout departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this inventionIt is not limited to the content on specification, it is necessary to determine the technical scope according to the scope of the claims.