Disclosure of Invention
The invention mainly solves the technical problem of providing multifunctional intelligent glasses for correcting vision, which not only have an intelligent display function, but also have a vision correction function of conventional glasses, can avoid the damage to eyes caused by the repeated replacement of the glasses, and can effectively protect the health of the eyes.
In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a multifunctional smart glasses for correcting vision, comprising: the lens comprises a lens frame, a display screen for displaying image information and a zoom lens for refracting light rays emitted by the display screen to pupils of human eyes and imaging the light rays on retinas of the human eyes.
Wherein, the display screen and the zoom lens are indirectly or directly fixed on the frame. The zoom lens is arranged on one side of the display screen close to human eyes. The focal length of the zoom lens is adjustable, and light rays emitted by the display screen or external light rays are refracted to pupils of human eyes by adopting a proper focal length and are imaged on retinas of the human eyes. The display screen is a self-luminous transparent display screen, light rays are emitted when the display screen displays, the light rays penetrate through the zoom lens to reach the retina of a human eye, and the display screen becomes transparent when the display screen does not display.
Preferably, the zoom lens is a liquid crystal lens, or a liquid lens, and the zoom lens changes a focal length by a change in driving voltage.
Preferably, the zoom lens includes a left-eye zoom lens, a right-eye zoom lens, and a left-eye focal length adjusting wheel and a right-eye focal length adjusting wheel corresponding to the left-eye zoom lens and the right-eye zoom lens, respectively, the left-eye focal length adjusting wheel and the right-eye focal length adjusting wheel are disposed on the left and right outer sides of the lens frame, and the left-eye focal length adjusting wheel and the right-eye focal length adjusting wheel are rotated to adjust the focal lengths of the left-eye zoom lens and the right-eye zoom lens, respectively.
Preferably, the zoom lens includes a switching key for switching the zoom lens between a negative lens corresponding to near vision, a flat lens corresponding to normal vision, and a positive lens corresponding to far vision.
Preferably, the zoom lens is a single-piece lens, or a multi-piece lens.
Preferably, the display screen is directly fixed on the mirror frame; or, a transparent lens is fixed on the mirror frame, and the display screen is a micro display screen which is embedded in the transparent lens.
Preferably, an eye protection layer is arranged in front of the display screen or in front of the transparent lens; the front refers to the side away from the eyes.
Preferably, the eye protection layer is a colored glass layer or a metal film layer.
The invention has the beneficial effects that: different from the situation of the prior art, the multifunctional intelligent glasses for correcting the eyesight are provided with the self-luminous transparent display screen and the zoom lens with the adjustable focal length arranged on the rear side of the display screen, so that a user can see objects in front when not watching a display image of the display screen, and the external light is subjected to optical treatment before entering eyes needing correcting the eyesight by adjusting the focal length of the zoom lens, so that the eyes needing correcting the eyesight can see the external objects clearly, the glasses do not need to be replaced, the harm to the eyes caused by replacing the glasses for many times can be avoided, and the eye health can be effectively protected.
Detailed Description
Referring to fig. 1, 2 and 4, fig. 1 is a schematic structural diagram of a multifunctional intelligent glasses for correcting vision according to a first embodiment of the present invention; FIG. 2 is a schematic diagram of the imaging principle of the multifunctional intelligent glasses for correcting vision as the myopia correction glasses according to the invention; fig. 4 is a schematic view illustrating the imaging principle of the multifunctional intelligent glasses for correcting eyesight as far-vision correcting glasses according to the present invention.
The multifunctional intelligent glasses for correcting eyesight comprise a glasses frame 1, glasses legs 2, a display screen 3 and a zoom lens 4.
The glasses legs 2 are fixed on two sides of the glasses frame 1, the display screen 3 and the zoom lens 4 are indirectly or directly fixed on the glasses frame 1, and the zoom lens 4 is arranged on one side, close to the human eyes 5, of the display screen 3.
In this embodiment, the edge of the display screen 3 is directly fixed to the frame 1. The display 3 and the frame 1 can also be fixed indirectly, i.e. a transparent lens is fixed on the frame 1, a micro display screen is used as the display 3, and is embedded in the transparent lens, and the transparent lens can be optical resin. In this embodiment, other functional modules except the display screen 3 are all built in the glasses legs 2, such as a microprocessor, a mobile communication module, WIFI, bluetooth, a power supply module, and the like. Still inlay on display screen 3 and have miniature camera 8 and distance sensor 9, miniature camera 8 can be used for shooing external scenery, and the rethread display screen 3 shows. The distance sensor 9 can be used for measuring the distance between a person and an object shot by the miniature camera 8 and prompting a user through voice.
The display screen 3 is used for displaying image information, and is a self-luminous transparent display screen that emits light rays when the display screen 3 is displayed, and the light rays pass through the zoom lens 4 to reach the retina 52 and become transparent when not displayed. The self-luminous transparent display screen of the present embodiment is an Active Matrix Organic Light Emitting Diode (AMOLED) transparent display screen, which may also be a transparent electroluminescence (TASEL) display screen, or other transparent display screens commonly used in the art.
The zoom lens 4 is used to refract light rays emitted from the display screen 3 to the pupil 51 and to form an image on the retina 52. The zoom lens 4 is adjustable in focal length and refracts light rays to the pupil 51 with an appropriate focal length and images on the retina 52.
The zoom lens 4 may be a liquid crystal lens or a liquid lens, which may be a single-piece lens or a multi-piece lens
Compared with the prior art, the self-luminous transparent display screen is used as the display screen 3, so that when the display screen 3 displays images, a user can view information on the display screen 3 through the zoom lens 4. When the display screen 3 does not display images, the display screen 3 is equivalent to a transparent flat plate, and a user can see objects in front through the display screen 3. The back side of the display screen 3 of the invention is fixed with the zoom lens 4, the focal length of which can be adjusted, thus the focal length can be adjusted to match with the vision of the user, and the vision of the user is clear. When people with eyesight defects use the intelligent glasses, if the people need to watch the image information of the display screen 3, the people can directly open the display screen 3 to watch the image information; when not seeing the image information of display screen 3, then close display screen 3, use this multi-functional intelligent glasses as the glasses of correcting eyesight, like this, myopia or hyperopia eye user can need not change glasses for the people that has the eyesight defect is more convenient when using this multi-functional intelligent glasses, can avoid the eyes injury that the glasses arouse of changing many times simultaneously, thereby effectively protects user's eye health.
Further, the present embodiment is made transparent by using a liquid crystal lens or a liquid lens. The focal length adjustment of the zoom lens 4 is performed by a change in the driving voltage. The liquid lens takes liquid as a lens, the focal length is changed by changing the curvature of the liquid, the shape of a liquid drop is changed by an external voltage, and the focal length is further changed. In the present embodiment, the zoom lens 4 is a single-piece liquid lens.
Referring to fig. 2, fig. 3, fig. 4 and fig. 5, fig. 2 is a schematic diagram illustrating an imaging principle of multifunctional intelligent glasses for correcting eyesight as myopia correction glasses according to the present invention; FIG. 3 is a schematic diagram of the imaging principle of a negative lens; FIG. 4 is a schematic view of the imaging principle of the multifunctional intelligent glasses for correcting vision as far-vision correcting glasses according to the present invention; fig. 5 is a schematic diagram of the imaging principle of the negative lens.
The user can change the type of the lens according to the vision condition of the user. If the user is a myopic eye, as shown in fig. 2, he can adjust the zoom lens 4 to be a negative lens, and then adjust the focal length to match his own myopic power, so as to make the visual field clear, and the principle is the same as that of the negative lens, as shown in fig. 3.
As shown in fig. 4, if the user is a hyperopic eye, the zoom lens 4 can be adjusted to be a positive lens, and then the focal length can be adjusted to correspond to the self hyperopic power, so as to make the visual field clear, and the principle is the same as the working principle of the positive lens, as shown in fig. 5.
So as to adjust the type and focal length of the zoom lens 4 by adjusting the voltage, the operation is very convenient.
Fig. 6 is a schematic structural diagram of a multifunctional intelligent glasses for correcting eyesight according to a second embodiment of the present invention. The multifunctional intelligent glasses comprise a glasses frame 1, glasses legs 2, a display screen 3 and a zoom lens 4.
The glasses legs 2 are fixed on two sides of the glasses frame 1, the display screen 3 and the zoom lens 4 are indirectly or directly fixed on the glasses frame 1, and the zoom lens 4 is arranged on one side, close to the human eyes 5, of the display screen 3.
In this embodiment, the edge of the display screen 3 is directly fixed to the frame 1. Except for the display screen 3, other functional modules of the intelligent glasses are all arranged in the glasses legs 2, such as a microprocessor, a mobile communication module, WIFI, Bluetooth, a power supply module and the like.
The display 3 is used for displaying image information and has its edge fixed directly to the frame 1. The display screen 3 is a self-luminous transparent display screen, and emits light when the display screen 3 is displayed, and the light passes through the zoom lens 4 to reach the retina 52 and becomes transparent when the display screen is not displayed. In this embodiment, the display 3 is a transparent electroluminescence (TASEL) display. Besides the transparent display, TASEL displays also feature any shape that can be drilled, bent and cut.
The zoom lens 4 is used to refract light rays emitted from the display screen to the pupil 51 and to form an image on the retina 52. The zoom lens 4 is adjustable in focal length and refracts light rays to the pupil 51 with an appropriate focal length and images on the retina 52.
In this embodiment, the zoom lens 4 includes a left-eye zoom lens, a right-eye zoom lens, and a left-eye focal length adjusting wheel 11 and a right-eye focal length adjusting wheel 12 corresponding to the left-eye zoom lens and the right-eye zoom lens, respectively, the left-eye focal length adjusting wheel 11 and the right-eye focal length adjusting wheel 12 are disposed on the left and right outer sides of the frame 1, respectively, and the focal lengths of the left-eye zoom lens and the right-eye zoom lens are adjusted by rotating the left-eye focal length adjusting wheel 11 and the right-eye focal length adjusting wheel 12, respectively. The left-eye zoom lens and the right-eye zoom lens of the present embodiment are both single-lens liquid lenses, and the focal length adjustment thereof is performed by a change in driving voltage.
When wearing glasses, the degree of the glasses needs to be matched with the vision condition of the eyes to see things clearly, and if the vision of the left eye and the right eye of a person is different, the zoom lenses 4 corresponding to the two eyes also need to adjust different focal lengths to match with the focal lengths. The intelligent glasses of this embodiment are through dividing zoom lens 4 into left eye zoom lens and right eye zoom lens, and set up left eye focus regulating wheel 11, right eye focus regulating wheel 12, can realize adjusting the focus of zoom lens 4 of left eye and right eye respectively, and the adjustment process only needs rotatory regulating wheel, the drive voltage of zoom lens 4 changes along with the rotation of regulating wheel, the focus of zoom lens 4 also changes thereupon, when the field of vision is clear, the stop rotate the regulating wheel can, the operation of adjustment focus is very convenient.
The focal length of the zoom lens 4 can be adjusted by the adjusting wheel and can also be adjusted by the keys, and when the zoom lens is adjusted, the user only needs to continuously press the keys to adjust the driving voltage of the zoom lens 4, so that the focal length is adjusted, and when the visual field is clear, the user stops pressing the keys.
Fig. 7 is a schematic structural diagram of a multifunctional intelligent glasses for correcting eyesight according to a third embodiment of the present invention. The present embodiment differs from the second embodiment in that the zoom lens 4 of the present embodiment further includes a switch button 13, and the switch button 13 is provided outside the display screen 3, and may also be provided at other positions of the display screen 3 or the lens frame 1. It is used to switch the zoom lens 4 between a negative lens corresponding to near vision, a flat lens corresponding to normal vision, and a positive lens corresponding to far vision. Switching between the three types of lenses is also achieved by varying the drive voltage.
Myopia is caused by the fact that distant rays of light gather in front of the retina 52, rather than on the retina 52, thus making the distant object unclear. After the negative lens is worn, the negative lens plays a role in diverging light, and the negative lens forms a positive, vertical and reduced virtual image, so that the image distance is lengthened and the image distance just falls on the retina 52. Thereby having the function of correcting the myopia.
Hyperopia is because parallel rays of light form a focus behind the retina 52 after entering the eye and foreign objects cannot form a sharp image on the retina 52. After the positive lens is worn, the main function of the positive lens is to change the light refraction distance, so that when an external light source passes through the positive lens, primary refraction is generated, secondary refraction is generated after the external light source enters the crystalline lens, and finally, the incidence angle and the focusing angle are adjusted, so that the focusing point can be successfully superposed on the retina 52.
When the user is the myopia, will zoom lens 4 and switch into negative lens through pressing switching button 13, at this moment, this multi-functional intelligent glasses can regard as myopia correction glasses, guarantees that the user sees the object at a distance clearly, guarantees that the field of vision is clear. When the user is for the presbyopia, will zoom lens 4 and switch into positive lens through pressing switching button 13, at this moment, this multi-functional intelligent glasses can regard as far away correction glasses, and the user can see clearly the object of far away and near. When the user's eyesight is normal, through pressing to switch the button 13 and switch zoom lens 4 into flat lens, this intelligent glasses play shelters from the effect of wind-blown sand, prevent that sunshine from penetrating etc. protection eyes directly. The arrangement of the switch key 13 enables the zoom lens 4 to be switched rapidly among the positive lens, the flat lens, and the negative lens without changing the lens type by changing the focal length by continuous pressing, so that the switching operation of the lens type is very convenient.
The invention has the beneficial effects that: when not watching the display image of display screen 3, the user can see the thing in the place ahead to through the focus of adjustment zoom lens 4, make external light get into and carry out optical processing before the people's eye 5 of correcting eyesight, thereby make the people's eye 5 of correcting eyesight can see external thing clearly, need not change glasses, can avoid changing glasses many times and cause the injury to eyes, can effectively protect eyes healthy.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.