CN108647001B - Display method and device for protecting eyesight - Google Patents
Display method and device for protecting eyesight Download PDFInfo
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- CN108647001B CN108647001B CN201810488834.XA CN201810488834A CN108647001B CN 108647001 B CN108647001 B CN 108647001B CN 201810488834 A CN201810488834 A CN 201810488834A CN 108647001 B CN108647001 B CN 108647001B
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Abstract
The embodiment of the invention provides a display method and a display device for protecting eyesight, wherein display parameters of display light on eyes of a user are changed according to preset frequency; wherein the display parameters include: display light refresh frequency and/or display light signal intensity and/or display light projected position on the user's eye; therefore, under the condition of same use time, the stimulation of the light to human eyes is displayed in different areas, and the effects of relieving visual fatigue and protecting eyesight are achieved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display method and a display device for protecting eyesight.
Background
With the development of science and technology, people use multimedia terminals more and more, such as mobile phones, ARs (Augmented Reality), VRs, computers and the like, and bring more and more convenient life to people, and can browse webpages, inquire contents, even play games and the like through multimedia terminal equipment, so that better visual experience can be provided for people, and the visual experience is realized by means of a display device.
Therefore, how to reduce the damage of the display light to the vision of the user becomes an urgent problem to be solved.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a display method for protecting eyesight, which solves the problem in the prior art that the eyesight of a person is greatly damaged by the display light of a display device.
An embodiment of the present invention provides a display method for protecting eyesight, including:
changing display parameters of display light on eyes of a user according to a preset frequency;
wherein the display light is used to cause the user to generate a visual corresponding to display information.
Preferably, the display parameters include:
displaying a light refreshing frequency; and/or the presence of a gas in the gas,
displaying the signal intensity of the light; and/or the presence of a gas in the gas,
the projected position of the light on the user's eye is displayed.
Further, the display light is an augmented display light, and the display information is augmented reality display information.
Further, the display parameters include the display light refresh frequency;
wherein the changing of the display parameters of the display light on the eyes of the user according to the preset frequency comprises:
changing the number of times that augmented reality display information is repeatedly displayed on the eyes of the user per second according to a preset frequency, so that the refresh frequency of the augmented reality display light on the eyes of the user is changed.
Further, the display parameters include display light signal intensity;
wherein the changing of the display parameters of the display light on the eyes of the user according to the preset frequency comprises:
changing the display brightness of the augmented reality display information on the eyes of the user according to a preset frequency, so that the signal intensity of the augmented reality display light on the eyes of the user is changed.
Further, the display parameters include a projection position of the display ray on the user's eye;
the changing of the projection position of the display light on the user's eye according to the preset frequency includes:
and adjusting the emergent angle of the virtual world information corresponding to the augmented reality display light according to the preset frequency so as to change the projection position of the augmented reality display light on the eyes of the user.
Further, the display parameters include a projection position of the display ray on the user's eye;
the display method for protecting eyesight is suitable for a display device, and the augmented reality display device comprises a display unit used for displaying the augmented reality display information;
wherein the changing the projection position of the display light on the user's eye according to the preset frequency comprises:
and transforming the position of the virtual world information corresponding to the augmented reality display information displayed by the display unit according to the preset frequency so as to change the projection position of the augmented reality display light on the eyes of the user.
Further, the display parameters include a projection position of the display light on the user's eye;
the display method for protecting eyesight is suitable for an augmented reality display device, the augmented reality display device comprises a first channel and a second channel, wherein the left eye of the user receives the augmented reality display light through the first channel, and the right eye of the user receives the augmented reality display light through the second channel;
wherein the changing the projection position of the display light on the eyes of the user according to the preset frequency comprises:
and changing the augmented reality display light to pass through the first channel and/or the second channel according to the preset frequency so that the left eye and/or the right eye of the user alternately receive the augmented reality display light.
Preferably, the preset frequency is between 20Hz and 60 Hz.
As another aspect of the present invention, an embodiment of the present invention provides a display device including:
the light ray module is used for generating augmented reality display light rays, wherein the display light rays are used for enabling the user to generate vision corresponding to display information; and
the control module is used for changing display parameters of the display light on the eyes of the user according to a preset frequency;
wherein the display parameters include:
displaying a light refreshing frequency; and/or the presence of a gas in the gas,
displaying the signal intensity of the light; and/or the presence of a gas in the gas,
the projected position of the light on the user's eye is displayed.
Further, the display light is augmented reality display light, and the display information is augmented reality display information.
Further, the display parameters include a projection position of the display light on the eye of the user, and the display device further includes:
and the light ray changing module is used for changing the projection position of the display light rays on the eyes of the user according to a preset frequency, wherein the display light rays are used for enabling the user to generate vision corresponding to the display information.
Further, the display parameters include a refresh frequency of the display light on the user's eye, and the display device further includes:
and the display image refreshing frequency changing module is used for changing the display light according to a preset frequency so that the number of times of repeated display of the visual image corresponding to the display information on the eyes of the user per second is changed, and the refreshing frequency of the display light on the eyes of the user is changed.
Further, the display parameter includes a signal intensity of a display light on the eye of the user, and the display device further includes:
and the display brightness changing module is used for changing the display light according to a preset frequency to enable the brightness of the visual picture corresponding to the display information on the eyes of the user, so that the signal intensity of the augmented reality display light on the eyes of the user is changed.
Further, the light changing module includes a light path adjusting unit, configured to adjust an exit angle of the virtual world information light in the augmented reality display light according to the preset frequency, so that a projection position of the augmented reality display light on the eyes of the user changes.
Further, the light ray module includes:
a display unit for displaying the augmented reality display information;
the light ray changing module comprises a display position changing unit and is used for changing the position of the virtual world information in the augmented reality display information displayed by the display unit according to the preset frequency so as to change the projection position of the augmented reality display light rays on the eyes of the user.
Further, the light module includes a first channel and a second channel, wherein the left eye of the user receives the augmented reality display light through the first channel, and the right eye of the user receives the augmented reality display light through the second channel;
the light changing module comprises a left-eye and right-eye changing unit and is used for changing the augmented reality display light to pass through the first channel and/or the second channel according to the preset frequency so that the left eye and/or the right eye of the user can alternately receive the augmented reality display light.
Preferably, the preset frequency is between 20Hz and 60 Hz.
According to the display method for protecting eyesight provided by the embodiment of the invention, the display parameters of the display light on the eyes of the user are changed according to the preset frequency, so that the stimulation of the display light to human eyes is divided into areas under the condition of the same use time, and the effects of relieving visual fatigue and protecting eyesight are further achieved.
Drawings
Fig. 1 is a schematic flow chart illustrating a display method for protecting eyesight according to an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating an operation of an augmented reality display device according to an embodiment of the present invention.
Fig. 3 is a schematic diagram illustrating an operation of an augmented reality display device according to an embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating different display positions according to an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a display device according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a display device according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of a display method for protecting eyesight according to an embodiment of the present invention, including: step 101, changing display parameters of display light on eyes of a user according to a preset frequency; the display light is used for enabling a user to generate vision corresponding to the display information.
In an embodiment of the present invention, the display parameter is a display light refresh frequency, the refresh frequency is a number of times that the display light causes the visual frame corresponding to the display information generated by the user to be repeatedly displayed every second, when the refresh frequency is low, the user's eyes will feel unstable, such as flickering or shaking, the user's eyes will feel tired, when a critical point is reached, the user's eyes will feel continuous visual frame, the refresh frequency is higher, the visual frame that the user's eyes can feel stable, the user's eyes will not feel tired, by periodically changing the refresh frequency of the display light on the user's eyes, the refresh frequency of the visual frame received by the user's eyes can be periodically changed, so that the refresh frequency of the user's eyes on the visual frame is periodically changed, and the light can partition the stimulation area of the user's eyes, and relieving visual fatigue.
It should be understood that the refresh frequency of the display information is related to the shortest OE pulse width in the control chip, the system data transmission speed, the number of the serial chips, and the number of the chip output channels, and that changing the refresh frequency can be achieved by changing the OE pulse width, the system data transmission speed, the number of the serial chips, and the number of the chip output channels.
It should also be understood that, by changing the OE pulse width in the control chip, the period of completing a gray scale change is changed, and the resulting refresh frequency is changed, and the method of changing the OE pulse width may be implemented by changing the switching speed of the data output channels, or by staggering the switching time between the data output channels, i.e., the output channels are not turned on and off at the same instant; thereby achieving the purpose of changing the refresh frequency.
In another embodiment of the present invention, the display parameter is the intensity of the display light signal, the luminous intensity of the display light signal on the unit projection area of any surface observed in the given positioning direction constitutes the display brightness, the display brightness is periodically changed by periodically changing the intensity of the display light signal, so as to periodically change the energy of the display light on the eyes of the user, and under the same use time, the light stimulates the eyes of the user in different areas, so as to achieve the effects of alleviating the visual fatigue and protecting the eyesight.
It should be understood that the signal intensity of the display light is related to the number of light sources, the X-direction distance and the Y-direction distance between the light source points, the number of light source points per unit area, and the scanning manner of the module, so that changing the signal intensity of the display light can be implemented by changing the scanning manner of the module, the number of light source points per unit area, the X-direction distance and the Y-direction distance between the light source points, for example, periodically changing the scanning manner of the module by two scanning manners of lighting one line every 4 lines and lighting one line every 8 lines, or periodically changing the scanning manner by more than two scanning manners. Alternatively, the number of light source points lit per unit area may be periodically selected by periodically changing the number of light source points per unit area, for example, the number of light source points per unit area is 200, and the number of light source points lit per unit area is periodically replaced by two or more of the methods of lighting 100 light source points and 150 light source points, thereby periodically changing the intensity of the display light.
In another embodiment of the present invention, the display parameter is a projection position of the display light on the eye of the user.
It should be understood that the display parameters may be other than the display light refresh rate, the display light signal intensity, and the projection position of the display light on the eye, and the present invention is not limited thereto.
It should also be understood that when the display parameters of the display light on the eyes of the user are changed according to the preset frequency, not only one display parameter is changed, but also two or more display parameters can be changed simultaneously, for example, in an embodiment of the present invention, the signal intensity of the display light on the eyes of the user and the refresh frequency of the display light on the eyes of the user can be changed simultaneously; in other embodiments of the present invention, the intensity of the display light signal of the display light on the eye of the user, the refresh frequency of the display light on the eye of the user, and the projection position of the display light on the eye of the user may also be changed simultaneously, and therefore, the present invention is not limited to this.
It should also be understood that when two or more display parameters are changed simultaneously, the preset frequencies used when changing the different display parameters may be the same or different, for example, in an embodiment of the present invention, when the display light signal intensity of the display light on the eyes of the user and the display light refresh frequency of the display light on the eyes of the user are changed simultaneously, the display light signal intensity of the augmented reality display light on the eyes of the user is changed at a first preset frequency, and the display light refresh frequency of the display light on the eyes of the user is changed at a second preset frequency, wherein the first preset frequency and the second preset frequency are the same, and in another embodiment of the present invention, the first preset frequency and the second preset frequency are different. For example, in an embodiment of the present invention, when the intensity of the display light signal of the display light on the eyes of the user, the refresh frequency of the display light on the eyes of the user, and the projection position of the display light on the eyes of the user are simultaneously changed, the intensity of the display light signal of the display light on the eyes of the user is changed at a first preset frequency, the refresh frequency of the display light on the eyes of the user is changed at a second preset frequency, and the projection position of the display light on the eyes of the user is changed at a third preset frequency, wherein the first preset frequency, the second preset frequency, and the third preset frequency are the same, in another embodiment, the three preset frequencies are different from each other, in another embodiment, two of the three preset frequencies are the same, and the three preset frequencies are different from each other.
In order to achieve better eyesight protection effect, in an embodiment of the present invention, the preset frequency for changing the display parameters of the display light in the eyes of the user is between 20Hz and 60 Hz.
It should be understood that the display light may be an augmented reality display light or a virtual reality display light, and accordingly, the display information may also be augmented reality display information or virtual reality display information, which is not limited in the present invention.
It will be appreciated that when two or more display parameters of the display light in the eyes of the user are simultaneously changed, the preset frequency on which each change is based is between 20Hz and 60 Hz.
According to the display method for protecting eyesight provided by the embodiment of the invention, the display parameters of the display light on the eyes of the user are changed according to the preset frequency, so that the stimulation of the display light to the human eyes is divided into areas under the condition of the same use time, and the effects of relieving visual fatigue and protecting eyesight are further achieved.
In an embodiment of the present invention, the display light is augmented reality display light, and the corresponding display information is augmented reality display information, and the display method for protecting eyesight is preferably applied to a display device based on augmented reality.
Augmented Reality (AR) technology superimposes entity information (e.g., visual information, sound, taste, touch, etc.) that is originally difficult to experience in a certain time-space range of the real world, i.e., virtual world information, onto real world information through simulation, so that the real world information and the virtual world information are simultaneously presented and perceived by human senses, thereby achieving sensory experience beyond Reality. For example, in the visual augmented reality display technology, a user can multiply synthesize real world information and computer graphics using a head mounted display, and thus the user can realize that the real world and the virtual world exist simultaneously. However, in order to ensure the use requirements of multiple environments, the light entering the eyes of the user needs to be visible in the outdoor environment, i.e. the display brightness is required to be high, for example, the display brightness can be as high as 200 to 500cd/m 2; in addition, in order to avoid influencing the augmented reality display light to enter the eyes of the user, the augmented reality display device needs to have a module for projecting the augmented reality display light to be closer to the eyes, for example, the distance can be as short as 5 to 50mm, and the two effects undoubtedly cause great damage to the eyesight of the user. Therefore, the display device based on augmented reality display may adopt the eyesight protection method so as to protect the eyesight of the user.
In particular, the augmented reality display information may be composed of real world information and virtual world information, and thus, the augmented reality display light may include a light of the real world information and a light of the virtual world information. The user can receive the augmented reality display light through the retina of the eye and can then see the augmented reality display information. Further, the augmented reality display device may include a light module for generating augmented reality display light, where the light module may directly emit the light from the real world information and the light from the virtual world information to the eyes of the user, or may process the light from the real world information and the light from the virtual world information and then project the processed light to the eyes of the user, which is not limited herein. For example, the processing of the light of the real world information and the light of the virtual world information by the light module may include conversion of an optical signal, signal superposition, signal synthesis, and the like, so that the real world information and the virtual world information may exist in one screen or space at the same time.
According to the display method for protecting eyesight provided by the embodiment of the invention, the projection position of the augmented reality display light on the eyes of the user is changed according to the preset frequency, so that the augmented reality display light can stimulate the eyes of the user in different areas under the condition of the same use time, and therefore, the visual fatigue is relieved, and the effect of protecting eyesight is achieved.
Fig. 2 is a schematic operation diagram of an augmented reality display device according to an embodiment of the present invention.
In another embodiment of the present invention, changing the projection position of the display light on the user's eye according to the preset frequency includes: and adjusting the light path of the augmented reality display light according to the preset frequency so as to change the projection position of the augmented reality display light on the eyes of the user.
Specifically, as shown in fig. 2, the augmented reality display device may include a user's head tracker, a scene generator, a monitor, and an optical combiner, wherein the user's head tracker may locate the position of the user's head from time to time and transmit a corresponding head locating signal to the scene generator so that the scene generator may generate a graphic image signal from the head locating signal. Here, the graphic image signal corresponds to virtual world information, the graphic image signal may include a position signal, the position signal may indicate position information of a scene corresponding to the graphic image signal in the augmented reality display information, and the position signal may be generated based on the head positioning signal. In addition, the monitor may generate a picture according to the graphic image signal and emit the virtual world information light from the picture, so that the optical combiner may project the virtual world information light and the real world information light onto the eyes of the user, and the user may see that the real world information and the virtual world information exist on one picture or space at the same time. Here, the number of the monitor and the optical combiner may be more than one.
Corresponding to the augmented reality display apparatus shown in fig. 2, an angle adjustment unit may be included, which may be configured to change an exit angle of the virtual world information light emitted by the monitor. For example, before the angle changes, the emitting direction of the virtual world information light is vertically forward, after the angle adjusting unit works, the emitting direction of the virtual world information light can be changed to have a certain included angle with the vertical direction, at this moment, the position of the virtual world information light reaching the optical folding mirror changes, further, the position of the virtual world information light projected onto the eyes of the user in the augmented reality display light projected by the optical folding mirror also changes correspondingly, so that under the condition that the using time is the same, the augmented reality display light can stimulate the eyes of the user in different areas, thereby relieving the visual fatigue and further achieving the effect of protecting the eyesight.
In particular, fig. 3 is a schematic operational diagram of an augmented reality display apparatus according to another embodiment of the present invention. FIG. 4 is a schematic illustration of different display positions 512 according to one embodiment of the invention.
In another embodiment of the present invention, the eyesight protection method is applied to an augmented reality display device, which includes a display unit 511 for displaying augmented reality display information; wherein changing the projection position of the display light on the user's eye according to the preset frequency comprises: the position of the virtual world information corresponding to the augmented reality display information displayed by the display unit 511 is changed according to a preset frequency, so that the projection position of the augmented reality display light on the eyes of the user is changed.
For example, as shown in fig. 3, the augmented reality display device may include a video camera, a scene generator, a video synthesizer, a monitor, and a head tracker of the user, wherein the monitor may serve as the display unit 511, and the user may view augmented reality display information through the display unit 511. The video camera may obtain light of real world information, and the scene generator may be configured to generate a graphic image signal, and the generation principle may be explained with reference to the embodiment of fig. 2, and for avoiding repetition, details are not repeated here, and only differences between the two are described here. The video combiner may combine the real world information light and the real world information light to generate a combined video signal so that the augmented reality display information may be displayed on the monitor.
Further, as shown in fig. 4, the display unit 511 may include a plurality of display positions 512, wherein the display unit 511 may display the virtual world information corresponding to the augmented reality display information through one display position 512 of the plurality of display positions 512 at any time, and the augmented reality display apparatus may change the display position of the virtual world information according to a preset frequency, so that the projection position of the virtual world information light emitted by the display position on the eyes of the user is continuously changed, so that the augmented reality display light may stimulate the eyes of the user in different areas under the condition that the use time is the same, thereby alleviating the visual fatigue, and further achieving the effect of protecting eyesight.
In another embodiment of the present invention, the eyesight protection method is applied to an augmented reality display device, the augmented reality display device includes a first channel and a second channel, wherein a left eye of a user receives augmented reality display light through the first channel, and a right eye of the user receives augmented reality display light through the second channel; wherein changing the projection position of the display light on the user's eye according to the preset frequency comprises: and changing the augmented reality display light to pass through the first channel and/or pass through the second channel according to the preset frequency so that the left eye and/or the right eye of the user alternately receives the augmented reality display light.
For example, the augmented reality display device may include one or two shielding sheets for preventing the first channel and/or the second channel from passing through the augmented reality display light. The augmented reality display device can respectively shelter from the first channel and the second channel according to preset frequency so that the left eye and the right eye of a user alternately receive augmented reality display light.
Fig. 5 shows a display apparatus according to an embodiment of the present invention, as shown in fig. 5, the display apparatus 500 includes a light module 510 for generating display light, and a control module 518 for changing a display parameter of the display light on the eyes of the user according to a predetermined frequency, in an embodiment of the present invention, the display parameter includes a display light refresh frequency, in another embodiment of the present invention, the display parameter includes a display light signal intensity, and in another embodiment of the present invention, the display parameter includes a projection position of the display light on the eyes of the user.
It should be understood that the display parameters may include not only the above three display parameters, but also other display parameters, and when the display parameters of the display light on the eyes of the user are changed according to the preset frequency, only one display parameter is changed, and two or more display parameters may be changed at the same time, for example, in an embodiment of the present invention, the signal intensity of the display light on the eyes of the user and the refresh frequency of the display light on the eyes of the user may be changed at the same time; in other embodiments of the present invention, the intensity of the display light signal of the display light on the eye of the user, the refresh frequency of the display light on the eye of the user, and the projection position of the display light on the eye of the user may also be changed simultaneously, and therefore, the present invention is not limited to this.
The display device 500 provided by this embodiment is used for changing the display parameters of the display light on the eyes of the user according to the preset frequency by using the control module 518, so that the display light can stimulate the eyes of the user in different areas under the condition that the use time is the same, thereby alleviating the visual fatigue and further achieving the effect of protecting the eyesight.
When the control module 518 is configured to refresh the display light on the user's eye in order to change the display light; the display device 500 according to an embodiment of the present invention further includes a display frame refresh frequency changing module, configured to change the number of times that the display light is repeatedly displayed on the eyes of the user per second, so that the refresh frequency of the display light on the eyes of the user is changed.
When the control module 518 is configured to change the display intensity of the display light on the eyes of the user, the display apparatus 500 according to an embodiment of the present invention further includes a display brightness changing module, configured to change the display light according to a preset frequency so as to change the brightness of the visual frame corresponding to the display information on the eyes of the user, so that the signal intensity of the display light on the eyes of the user is changed.
When the control module 518 is configured to change the projection position of the display light on the eyes of the user, the display apparatus 500 according to an embodiment of the present invention further includes a light changing module 520, as shown in fig. 6, configured to change the projection position of the display light on the eyes of the user according to a preset frequency, where the display light is used for enabling the user to generate the vision corresponding to the display information.
In an embodiment of the invention, the display light is an augmented reality display light, and the corresponding display information is augmented reality display information.
In another embodiment of the present invention, the light changing module 520 includes a light path adjusting unit for adjusting an emitting angle of the virtual world information light in the augmented reality display light according to a preset frequency, so that a projection position of the augmented reality display light on the eyes of the user is changed.
In another embodiment of the present invention, the light module 510 includes a display unit 511, and the display unit 511 includes a plurality of display positions 512, wherein the display unit 511 emits the augmented reality display light through the display positions 512; the light changing module 520 includes a display position changing unit for changing a display position of the display unit according to a preset frequency, so that a projection position of the augmented reality display light on the eyes of the user is changed.
In another embodiment of the present invention, the light module 510 includes a first channel and a second channel, wherein the left eye of the user receives the augmented reality display light through the first channel, and the right eye of the user receives the augmented reality display light through the second channel; the light changing module 520 includes a left-eye and right-eye changing unit for changing the augmented reality display light to pass through the first channel and/or the second channel according to a preset frequency, so that the left eye and/or the right eye of the user alternately receives the augmented reality display light.
In another embodiment of the invention, the predetermined frequency is between 30Hz and 60 Hz.
It should be understood that each module or unit described in the augmented reality display device provided in the above embodiments corresponds to one method step in the aforementioned eyesight protection method based on augmented reality display. Thus, the operations and features described in the foregoing method steps are also applicable to the apparatus and the corresponding modules or units included therein, and repeated contents are not repeated herein.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (8)
1. A display method for preserving vision, comprising:
changing display parameters of display light on eyes of a user according to a preset frequency, wherein the display parameters comprise: display light refresh rate, and/or display light signal intensity;
the display light is used for enabling the user to generate vision corresponding to display information, and the display information is augmented reality display information;
when the display parameters include a display light refresh frequency, changing the display parameters of the display light on the eyes of the user according to a preset frequency includes:
changing one or more of OE pulse width, data transmission speed, number of chips connected in series and number of chip output channels according to preset frequency;
when the display parameter includes a display light signal intensity, the changing the display parameter of the display light on the eyes of the user according to the preset frequency includes:
and changing one or more of the scanning mode of the module, the number of the light source points in the unit area, and the distance between the light source points in the X direction and/or the Y direction according to the preset frequency.
2. A method as claimed in claim 1, wherein said display parameters include said display light refresh rate;
wherein the changing of the display parameters of the display light on the eyes of the user according to the preset frequency comprises:
changing the number of times the augmented reality display information is repeatedly displayed on the eyes of the user per second according to a preset frequency.
3. A method as claimed in claim 1, wherein the display parameters include signal intensity of the display light;
wherein the changing of the display parameters of the display light on the eyes of the user according to the preset frequency comprises:
and changing the display brightness of the augmented reality display information on the eyes of the user according to a preset frequency.
4. A display method for protecting eyesight as claimed in claim 1, wherein the display parameters further include a projection position of the display ray on the user's eye;
the changing of the display parameters of the display light on the eyes of the user according to the preset frequency comprises:
and adjusting the emergent angle of the virtual world information corresponding to the augmented reality display light according to the preset frequency so as to change the projection position of the augmented reality display light on the eyes of the user.
5. A display method for protecting eyesight as claimed in claim 4, wherein the display parameters further include a projection position of the display ray on the user's eye;
the display method for protecting eyesight is suitable for an augmented reality display device, and the augmented reality display device comprises a display unit used for displaying the augmented reality display information;
wherein the changing the projection position of the display light on the user's eye according to the preset frequency comprises:
and transforming the position of the virtual world information corresponding to the augmented reality display information displayed by the display unit according to the preset frequency so as to change the projection position of the augmented reality display light on the eyes of the user.
6. A display method for protecting eyesight as claimed in claim 4, wherein the display parameters further include a projection position of the display ray on the user's eye;
the display method for protecting eyesight is suitable for an augmented reality display device, the augmented reality display device comprises a first channel and a second channel, wherein the left eye of the user receives the augmented reality display light through the first channel, and the right eye of the user receives the augmented reality display light through the second channel;
wherein the changing the projection position of the display light on the user's eye according to the preset frequency comprises:
and changing the augmented reality display light to pass through the first channel and/or the second channel according to the preset frequency so that the left eye and/or the right eye of the user alternately receive the augmented reality display light.
7. A visual acuity protection display method according to any one of claims 1 to 6, characterised in that the predetermined frequency is between 20Hz and 60 Hz.
8. A display device, comprising:
the light ray module is used for generating display light rays, wherein the display light rays are augmented reality display light rays and are used for enabling a user to generate vision corresponding to display information; and
the control module changes display parameters of display light on the eyes of the user according to preset frequency, and the display parameters comprise: display light refresh frequency and/or display light signal intensity;
wherein, when the display parameter includes a display light refresh frequency, the control module includes:
the frequency control module is used for changing one or more of OE pulse width, data transmission speed, the number of the chips connected in series and the number of chip output channels according to preset frequency;
when the display parameter includes a display light signal intensity, the control module includes:
and the intensity control module is used for changing one or more of the scanning mode of the module, the number of the light source points on the unit area, and the distance between the light source points in the X direction and/or the Y direction according to the preset frequency.
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