CN106802486A - Method for adjusting focal length and head-mounted display - Google Patents

Abstract

The invention belongs to the technical field of wearable equipment, and provides a method for adjusting focal length and a head-mounted display, wherein the method comprises the following steps: when the fact that a user wears the head-mounted display is detected, acquiring the eye degree of the user; and adjusting the focal length of a lens in the head-mounted display to a target focal length according to the eye degree of the user, so that the user can view a picture with the definition meeting a preset condition, wherein the picture is displayed by the head-mounted display. The invention can enable the user with eyesight problem to clearly watch the picture displayed by the head-mounted display without wearing glasses, thereby improving the use effect and the visual immersion of the head-mounted display.

Description

A method for adjusting focal length and a head-mounted display

technical field

The invention belongs to the technical field of wearable devices, and in particular relates to a method for adjusting a focal length and a head-mounted display.

Background technique

With the rapid development of Head Mount Displays (HMDs), in order to increase visual immersion in entertainment activities such as watching videos and playing games, more and more users use the Head Mount Displays. However, when users with vision problems (such as myopia) use the head-mounted display, in order to clearly watch the picture displayed in the head-mounted display, they also need to wear glasses when wearing the head-mounted display, which reduces the performance of the head-mounted display. Use effects and visual immersion.

Therefore, it is necessary to propose a new technical solution to solve the above technical problems.

Contents of the invention

In view of this, the embodiment of the present invention provides a method for adjusting the focal length and a head-mounted display, so that users with vision problems can clearly watch the picture displayed on the head-mounted display without wearing glasses, which improves the performance of the head-mounted display. Display usability and visual immersion.

The first aspect of the embodiments of the present invention provides a method for adjusting the focal length, which is applied to a head-mounted display, and the method includes:

When it is detected that the user wears the head-mounted display, obtain the eye degree of the user;

According to the diopter of the user's eyes, the focal length of the lens in the head-mounted display is adjusted to the target focal length, so that the user can watch a picture whose definition meets the preset condition, wherein the picture is set by the head-mounted display displayed screen.

A second aspect of the embodiments of the present invention provides a head-mounted display, the head-mounted display comprising:

An eye degree acquisition module, configured to acquire the user's eye degree when it is detected that the user wears the head-mounted display;

A target focal length adjustment module, configured to adjust the focal length of the lens in the head-mounted display to the target focal length according to the eye power of the user, so that the user can watch a picture whose definition meets a preset condition, wherein the picture It is the picture displayed by the head-mounted display.

A third aspect of the embodiments of the present invention provides a head-mounted display, including a memory, a processor, and a computer program stored in the memory and operable on the processor, wherein the processor executes The computer program implements the following steps:

When it is detected that the user wears the head-mounted display, obtain the eye degree of the user;

According to the diopter of the user's eyes, the focal length of the lens in the head-mounted display is adjusted to the target focal length, so that the user can watch a picture whose definition meets the preset condition, wherein the picture is set by the head-mounted display displayed screen.

A fourth aspect of the embodiments of the present invention provides a computer storage medium, the computer storage medium may be non-volatile, and a computer program is stored on the computer storage medium, and the computer program is processed by one or more The method provided by the above-mentioned first aspect can be realized when read and executed by a controller.

Compared with the prior art, the embodiment of the present invention has the beneficial effect that: the embodiment of the present invention detects the eye degree of the wearer of the head-mounted display, and adjusts the focal length of the lens in the head-mounted display to the target focal length (that is, the maximum Optimum focal length), so that the wearer can clearly watch the picture displayed in the head-mounted display, especially the wearer with vision problems, no need to wear glasses, which improves the use effect and visual immersion of the head-mounted display.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the descriptions of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without paying creative efforts.

FIG. 1 is an implementation flowchart of a method for adjusting focal length provided by an embodiment of the present invention;

Fig. 2 is an implementation flowchart of a method for adjusting focus provided by an embodiment of the present invention;

Fig. 3 is an implementation flowchart of a method for adjusting focus provided by an embodiment of the present invention;

Fig. 4 is a structural block diagram of a head-mounted display provided by an embodiment of the present invention;

Fig. 5 is a structural block diagram of a head-mounted display provided by an embodiment of the present invention.

detailed description

In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

Referring to FIG. 1 , it is a schematic flowchart of a method for adjusting focus provided by Embodiment 1 of the present invention. The method is applied to a head-mounted display. As shown in the figure, the method may include the following steps:

Step S101, when it is detected that the user is wearing the head-mounted display, acquire the degree of eyes of the user.

In the embodiment of the present invention, when it is detected that a user is wearing the head-mounted display, the optical sensor chip may be used to obtain the degree of eyes of the user (that is, the wearer).

Wherein, the head-mounted display may be a binocular display device, but is not limited thereto. The head-mounted display is usually provided with two sets of lenses, and the two sets of lenses respectively correspond to the eyes of the wearer. Optical signals can be sent to the wearer's eyes through the head-mounted display to achieve different effects such as virtual reality (Virtual Reality, VR), augmented display (Augmented Reality, AR), and mixed reality (Mixed Reality, MR). It can also detect the eye movement of the wearer of the head-mounted display, and issue corresponding instructions through the eye movement, for example, looking to the right means turning a page.

The basic principle of the head-mounted display is to reflect the image through the prism, enter the wearer's eyes and image it in the retina, creating the effect of watching a large screen from a large distance, and usually has a high enough resolution. For example, a certain head-mounted display can realize the 3D visual effect of watching a 750-inch giant screen from 20 meters away, making the wearer feel like being in a giant-screen theater and watching a 3D movie at the best position in the theater.

In the embodiment of the present invention, when it is detected that the head-mounted display is turned on, whether the head-mounted display is worn by a user may be detected through a distance sensor provided on the head-mounted display. Wherein, the distance sensor can be set at a position where the information of the wearer's body can be detected, for example, it is set near two sets of lenses, and can detect a certain part of the user (usually the user's face) when the user wears the head-mounted display. When the distance between the part on the body corresponding to the distance sensor) and the distance sensor is less than the preset threshold, it is determined that the user wears it, and if it is greater than or equal to the preset threshold, it is determined that there is no user wearing it. Wherein, the preset threshold can be set as a distance value detected when the user wears the head-mounted display, or can be set according to actual needs, which is not limited here.

In the embodiment of the present invention, the distance sensor in the head-mounted display is used to sense the distance between the head-mounted display and the wearer, so as to determine whether the user wears the head-mounted display. Distance sensors can be divided into optical distance sensors, infrared distance sensors, ultrasonic distance sensors, etc. according to different working principles. For example, an infrared distance sensor has an infrared emitting tube and an infrared receiving tube. When the infrared rays emitted by the infrared emitting tube are received by the infrared receiving tube, it indicates that the distance is relatively short, and the distance value between the user and the head-mounted display is calculated, and the The distance value is compared with the preset threshold to determine whether there is a user wearing the head-mounted display, and when the infrared receiving tube cannot receive the infrared rays emitted by the infrared emitting tube, it indicates that the distance is relatively long, and it is determined that no user is wearing the head-mounted display. The working principle of the optical distance sensor and the ultrasonic distance sensor is similar to that of the infrared distance sensor, except that the emitted substances are changed to light pulses and ultrasonic waves.

In order to make the head-mounted display more practical, an on-off key for controlling whether to enable the function of adjusting the focus can be set on the head-mounted display, so as to control whether to enable the function of adjusting the focus according to user needs. Wherein, the switch key may be a physical key or a virtual key, etc., which is not limited herein.

When it is detected that a user is wearing the head-mounted display and the function of adjusting the focus is turned on, the head-mounted display may acquire the degree of eyes of the wearer of the head-mounted display at regular intervals or in real time. For example, after receiving an instruction to obtain the wearer's eye degree sent by the wearer or other users, or triggering the acquisition of the wearer's eye degree information according to a preset time interval, the acquisition of the wearer's eye degree can be started.

Step S102, according to the diopter of the user's eyes, adjust the focal length of the lens in the head-mounted display to the target focal length, so that the user can watch a picture whose definition meets the preset condition, wherein the picture is the head-mounted display. The screen displayed on the monitor.

In the embodiment of the present invention, the focal length of the lenses in the head-mounted display can be adjusted according to the eye degree of the wearer of the head-mounted display detected by the optical sensor chip, so as to adjust the focal length of the lenses in the head-mounted display to the target focal length, so as to ensure that the wearer can clearly watch the picture content displayed in the head-mounted display. Wherein, the target focal length (best focal length) refers to the focal length that enables the wearer to clearly watch the picture content displayed on the head-mounted display. For different users who wear the head-mounted display, if the eye power is the same as the eye power obtained in step S101, the target focal length of the lens in the head-mounted display can be determined when the above-mentioned different users wear the head-mounted display same.

It should be noted that the focal lengths of the lenses corresponding to the left and right eyes of the wearer of the head-mounted display can be adjusted independently, so as to ensure that the left and right eyes can see a complete and clear picture at the same time. At the same time, the vision of the left and right eyes can be adjusted independently, which is beneficial for the wearer with poor vision in the left and right eyes to accurately adjust the vision deviation and watch in a better state.

Specifically, two optical sensor chips can be used to respectively detect the vision of the left and right eyes of the wearer of the head-mounted display, respectively obtain the diopter of the left eye and the diopter of the right eye of the wearer of the head-mounted display, and then according to the wearer's The left eye degree adjusts the focal length of the lens corresponding to the wearer's left eye, so that the focal length of the lens corresponding to the wearer's left eye moves to the first target focal length, thereby ensuring that the wearer's left eye can clearly watch the head Wear the picture content displayed in the monitor; adjust the focal length of the lens corresponding to the wearer's right eye according to the degree of the wearer's right eye, so that the focal length of the lens corresponding to the wearer's right eye moves to the second target focal length, thereby It is ensured that the right eye of the wearer can clearly watch the content of the picture displayed in the head-mounted display, so that the left and right eyes of the wearer of the head-mounted display can see a complete and clear picture at the same time. Wherein, whether the first target focal length is the same as the second target focal length depends on whether the eye power corresponding to the first target focal length is the same as the eye power corresponding to the second target focal length or whether they correspond to the same target focal length .

In addition, it is also possible to set adjustment buttons on the head-mounted display, so that the wearer of the head-mounted display can manually adjust the focal length of the lens in the head-mounted display, and at the same time, a humanized adjustment indicator scale can also be set, which is convenient for the user. Preset according to your own vision before wearing, simplifying the adjustment process.

The embodiment of the present invention detects the eye degree of the wearer of the head-mounted display, and adjusts the focal length of the lens in the head-mounted display to the target focal length (that is, the optimal focal length) according to the eye degree, so that the wearer can clearly see the lens in the head-mounted display. The displayed picture, especially for wearers with vision problems, does not need to wear glasses, which improves the use effect and visual immersion of the head-mounted display.

Referring to FIG. 2 , it is a schematic flowchart of a method for adjusting the focal length provided by Embodiment 2 of the present invention. The method is applied to a head-mounted display. As shown in the figure, the method may include the following steps:

Step S201, establishing correspondences between M eye diopters and N target positions, where N is an integer greater than zero, and M is an integer greater than or equal to N.

In the embodiment of the present invention, the corresponding relationship between M eye degrees and N target positions can be established in advance, and the corresponding relationship is stored in the memory of the head-mounted display. When the lens in the head-mounted display is at the target position When , the focal length of the lenses in the head-mounted display is also at the target focal length. Preferably, the correspondences between M different eye diopters and N different target positions are established.

Step S202, when it is detected that the user is wearing the head-mounted display, acquire the degree of eyes of the user.

This step is the same as step S101, for details, please refer to the relevant description of step S101, which will not be repeated here.

Step S203, acquiring the target position corresponding to the eye degree of the user.

After obtaining the eye power of the wearer in step S202, the corresponding relationship between the M eye powers and N target positions pre-stored in the internal memory of the head-mounted display can be searched to obtain the information corresponding to the wearer's eye power. target location.

Step S204, moving the lens in the head-mounted display according to the target position, so as to adjust the focal length of the lens in the head-mounted display to the target focal length, so that the user can watch a picture whose clarity meets a preset condition, wherein, The picture is the picture displayed by the head-mounted display.

In the embodiment of the present invention, after the target position corresponding to the eye power of the user is obtained in step S203, the lens in the head-mounted display can be controlled to move to the target position through the driving device in the head-mounted display , so that the focal length of the lens in the head-mounted display can be adjusted to a target focal length, so that the wearer can clearly watch the picture displayed on the head-mounted display. Wherein, the driving device may be a motor.

Specifically, two optical sensor chips can be used to detect the vision of the left and right eyes of the wearer of the head-mounted display screen respectively, obtain the wearer's left eye degree and right eye degree respectively, and then according to the wearer's left eye degree, the wearer's The lens corresponding to the left eye of the wearer moves to the first target position, thereby moving the focal length of the lens corresponding to the wearer's left eye to the first target focal length, thereby ensuring that the wearer's left eye can clearly watch the head-mounted The content of the picture displayed on the display; according to the power of the wearer's right eye, the lens corresponding to the wearer's right eye is moved to the second target position, and then the focal length of the lens corresponding to the wearer's right eye is moved to the second target position. The target focal length, so as to ensure that the wearer's right eye can clearly watch the picture content displayed in the head-mounted display, so that the wearer's left and right eyes can see a complete and clear picture at the same time. Wherein, whether the first target position is the same as the second target position depends on whether the eye power corresponding to the first target position is the same as the eye power corresponding to the second target focal length or whether they correspond to the same target position. In addition, adjustment buttons can also be provided on the head-mounted display to facilitate the wearer of the head-mounted display to manually adjust the distance between the lens and the corresponding eyes. Preset according to your own vision before wearing to simplify the adjustment process.

The implementation of the present invention adds on the basis of Embodiment 1 "establishing the corresponding relationship between M eye diopters and N target positions, wherein N is an integer greater than zero, and M is an integer greater than or equal to N", thereby passing the head The lenses in the head-mounted display are moved to the target position to adjust the focal length of the lenses in the head-mounted display to the target focal length, so that the wearer can clearly watch the picture displayed on the head-mounted display.

Referring to FIG. 3 , it is a schematic flowchart of a method for adjusting the focal length provided by Embodiment 3 of the present invention. The method is applied to a head-mounted display. As shown in the figure, the method may include the following steps:

Step S301, when it is detected that the user wears the head-mounted display, acquire eyeball information of the user.

In the embodiment of the present invention, when the user wears the head-mounted display for the first time, the eyeball information of the user can be obtained through the eyeball iris sensor, and the eyeball information can be stored in the head-mounted display, so that Whether the wearer of the head-mounted display has worn the head-mounted display before the current moment is judged by eye recognition technology.

It should be noted that before acquiring the wearer's eyeball information, the user can choose whether to enable the eyeball recognition function. If it is turned on, when it is detected that a user is wearing the head-mounted display, the wearer's eyeball information is acquired, and the function is executed. Steps S302 to S304. If it is not turned on, when it is detected that a user wears the head-mounted display, the wearer's eye degree is obtained, and according to the corresponding relationship between the eye degree and the target position, the target position corresponding to the wearer's eye degree is obtained, and the The lens in the head-mounted display is moved to the target position, so as to adjust the focal length of the lens in the head-mounted display to the corresponding target focal length, so that the user can clearly watch the picture displayed in the head-mounted display.

Step S302, if the user's eyeball information does not match the preset eyeball information, acquire the user's eye power.

In the embodiment of the present invention, after the head-mounted display acquires the user's eyeball information, it can detect whether the user's eyeball information matches the preset eyeball information. If there is eyeball information matching the user's eyeball information, it is determined that the user has not worn the head-mounted display before the current moment, and the eye degree of the user is acquired.

Step S303, according to the diopter of the user's eyes, adjust the focal length of the lens in the head-mounted display to the target focal length, so that the user can watch a picture whose definition meets the preset condition, wherein the picture is the head-mounted display. The screen displayed on the monitor.

This step is the same as step S102, for details, please refer to the relevant description of step S102, which will not be repeated here.

In an actual application scenario, the user's eye degree usually does not change or changes little within a preset period of time (such as one year), and after step S303 is performed, the user's eyeball information obtained in step S301 and The corresponding relationship of the target focal length in step S303, so that when the user wears the head-mounted display later, the corresponding target focal length can be obtained directly according to the user's eyeball information, without the need to obtain the user's eye degree again, reducing the The step of adjusting the focal length of the lens in the head-mounted display to the target focal length improves the efficiency of adjusting the focal length.

Step S304, if the eyeball information of the user matches the preset eyeball information, obtain the target focal length corresponding to the preset eyeball information, and adjust the focal length of the lens in the head-mounted display to the The target focal length, so that the user can watch a picture whose definition meets the preset condition.

In the embodiment of the present invention, if it is detected that the eyeball information of the user matches the preset eyeball information, it is determined that the user has worn the head-mounted display before the current moment. Assuming that there is usually no change or little change in the time period, the corresponding target focal length can be obtained directly according to the user's eyeball information, without the need to obtain the user's eye degree again, reducing the need to adjust the focal length of the lens in the head-mounted display. The step of adjusting to the target focal length improves the efficiency of adjusting the focal length.

In this embodiment of the present invention, on the basis of the second embodiment, it is determined whether to obtain the user's eye degree according to the user's eyeball information, and the user's eyeball information is only obtained when the user's eyeball information does not match the pre-stored eyeball information. Eye degree, adjust the focal length of the lens in the head-mounted display according to the user's eye degree, and when the user's eyeball information matches the pre-stored eyeball information, the corresponding target focal length can be directly obtained according to the user's eyeball information, The efficiency of adjusting the focal length is improved.

It should be noted that, in the above-mentioned embodiments, the first target focal length refers to a certain target focal length, and the first target position refers to a certain target position. In the specific implementation of the present invention, there must be a corresponding first target focal length and first target position. Similarly, the "second" in the second target focal length and the second target position is only for the convenience of expression and reference, and does not mean that there must be a corresponding second in the specific implementation of the present invention. Target focal length and second target position.

It should be understood that the sequence numbers of the steps in the above embodiments do not mean the order of execution, and the execution order of each process should be determined by its functions and internal logic, and should not constitute any limitation to the implementation process of the embodiment of the present invention.

Corresponding to a method for adjusting the focal length described in the above embodiments, Fig. 4 shows a structural block diagram of a head-mounted display provided by Embodiment 4 of the present invention. relevant part.

Referring to Figure 4, the head-mounted display includes:

The eye degree acquisition module 41 is used to acquire the user's eye degree when it is detected that the user is wearing the head-mounted display;

The target focal length adjustment module 42 is configured to adjust the focal length of the lens in the head-mounted display to the target focal length according to the eye power of the user, so that the user can watch a picture whose definition meets a preset condition, wherein the The picture is the picture displayed by the head-mounted display.

The head-mounted display also includes:

The relationship establishment module 43 is configured to establish correspondences between M eye diopters and N target positions, where N is an integer greater than zero, and M is an integer greater than or equal to N.

The target focus adjustment module 42 includes:

A position acquiring unit 421, configured to acquire a target position corresponding to the eye degree of the user;

The lens moving unit 422 is configured to move the lens in the head-mounted display according to the target position, so as to adjust the focal length of the lens in the head-mounted display to the target focal length.

Described eye degree acquisition module 41 comprises:

An information acquiring unit 411, configured to acquire eyeball information of the user when it is detected that the user is wearing the head-mounted display;

A degree acquisition unit 412, configured to acquire the user's eye degree if the user's eyeball information does not match the preset eyeball information;

The head-mounted display also includes:

A processing module 44, configured to acquire a target focal length corresponding to the preset eyeball information if the eyeball information of the user matches the preset eyeball information, and adjust the focal length of the lenses in the head-mounted display to the target focal length.

Those skilled in the art can clearly understand that for the convenience and brevity of description, only the division of the above-mentioned functional units and modules is used for illustration. In practical applications, the above-mentioned functions can be assigned to different functional units, Completion of modules means that the internal structure of the head-mounted display is divided into different functional units or modules to complete all or part of the functions described above. Each functional unit and module in the embodiment may be integrated into one processing unit, or each unit may exist separately physically, or two or more units may be integrated into one unit, and the above-mentioned integrated units may adopt hardware It can also be implemented in the form of software functional units. In addition, the specific names of the functional units and modules are only for the convenience of distinguishing each other, and are not used to limit the protection scope of the present application. For the specific working process of the units and modules in the above system, reference may be made to the corresponding process in the foregoing method embodiments, and details will not be repeated here.

Referring to FIG. 5 , it is a structural block diagram of a head-mounted display provided by Embodiment 5 of the present invention. The head-mounted display as shown in the figure may include: one or more processors 501 (only one is shown in the figure); one or more input devices 502 (only one is shown in the figure), one or more output devices 503 (only one is shown in the figure) and memory 504. The aforementioned processor 501 , input device 502 , output device 503 and memory 504 are connected through a bus 505 . The memory 504 is used to store instructions, and the processor 501 is used to execute the instructions stored in the memory 504 . in:

The processor 501 is configured to, when it is detected that the user wears the head-mounted display, obtain the eye power of the user through the input device 502; The focal length is adjusted to the target focal length, so that the user can watch a picture whose clarity meets a preset condition, where the picture is a picture displayed on the head-mounted display.

Optionally, before obtaining the eye degree of the user, the processor 501 is further configured to:

A correspondence relationship between M eye diopters and N target positions is established, where N is an integer greater than zero, and M is an integer greater than or equal to N.

Optionally, the processor 501 is specifically configured to:

Obtaining the target position corresponding to the eye degree of the user through the input device 502;

The lens in the head-mounted display is moved according to the target position, so as to adjust the focal length of the lens in the head-mounted display to the target focal length.

Optionally, the processor 501 is specifically configured to:

When it is detected that the user is wearing the head-mounted display, the user's eyeball information is acquired through the input device 502;

If the eyeball information of the user does not match the preset eyeball information, the user's eye power is acquired through the input device 502 .

Optionally, the processor 501 is further configured to:

If the eyeball information of the user matches the preset eyeball information, the target focal length corresponding to the preset eyeball information is obtained through the input device, and the focal length of the lens in the head-mounted display is adjusted to Target focal length.

In the above-mentioned embodiments, the descriptions of each embodiment have their own emphases, and for parts that are not detailed or recorded in a certain embodiment, refer to the relevant descriptions of other embodiments.

The memory 504 is used to store software programs and modules. The processor 501 executes various functional applications and data processing by running the software programs and modules stored in the memory 504, so as to adjust the focal length of the lens in the head-mounted display to the target focal length, so that the user Watch the picture whose resolution meets the preset conditions.

It should be understood that, in the embodiment of the present invention, the processor 501 may be a central processing unit (Central Processing Unit, CPU), and the processor may also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), dedicated Integrated Circuit (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.

The input device 502 may include a touch panel, a fingerprint sensor (for collecting user's fingerprint information and fingerprint direction information), a microphone, a data receiving interface, and the like. The output device 503 may include a display (LCD, etc.), a speaker, a data sending interface, and the like.

The memory 504 may include read-only memory and random-access memory, and provides instructions and data to the processor 501 . A portion of memory 504 may also include non-volatile random access memory. For example, memory 504 may also store device type information.

In a specific implementation, the processor 501, input device 502, output device 503, and memory 504 described in the embodiment of the present invention can execute the implementation described in the embodiment of the method for adjusting the focal length provided in the embodiment of the present invention, or can The implementation described in the head-mounted display described in Embodiment 4 is executed, and details are not repeated here.

Those skilled in the art can appreciate that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.

In the embodiments provided by the present invention, it should be understood that the disclosed head-mounted display and method can be implemented in other ways. For example, the system embodiments described above are only illustrative. For example, the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be Incorporation may either be integrated into another system, or some features may be omitted, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on such an understanding, the technical solution of the embodiment of the present invention is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage In the medium, several instructions are included to make a computer device (which may be a personal computer, server, or network device, etc.) or a processor (processor) execute all or part of the steps of the methods described in the various embodiments of the embodiments of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes. .

The above-described embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still carry out the foregoing embodiments Modifications to the technical solutions recorded in the examples, or equivalent replacement of some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention, and should be included in within the protection scope of the present invention.

Claims (10)

1. a kind of method for focusing, is applied to head-mounted display, it is characterised in that methods described includes：

When detecting user and wearing the head-mounted display, the eyes number of degrees of the user are obtained；

The eyes number of degrees according to the user, by the focus adjustment of eyeglass in the head-mounted display to target focal length, to cause The user watches definition to meet pre-conditioned picture, wherein, the picture is the picture shown by the head-mounted display Face.

2. the method for claim 1, it is characterised in that before the eyes number of degrees of the user are obtained, also include：

Set up the corresponding relation of the M eyes number of degrees and N number of target location, wherein, N is the integer more than zero, M be more than or wait In the integer of N.

3. method as claimed in claim 2, it is characterised in that the eyes number of degrees according to the user, wears described The focus adjustment of eyeglass to target focal length includes in display：

Obtain the corresponding target location of the eyes number of degrees of the user；

According to eyeglass in the target location movement head-mounted display, by the focus adjustment of eyeglass in the head-mounted display To target focal length.

4. the method as described in any one of claims 1 to 3, it is characterised in that described to wear described wearing when detecting user During display, the eyes number of degrees for obtaining the user include：

When detecting user and wearing the head-mounted display, the eyeball information of the user is obtained；

If the eyeball information of the user is not matched that with the eyeball information for pre-setting, the eyes degree of the user is obtained Number.

5. method as claimed in claim 4, it is characterised in that methods described also includes：

If the eyeball information of the user and the eyeball information match for pre-setting, obtain and the eyeball for pre-setting The corresponding target focal length of information, and by the focus adjustment of eyeglass in the head-mounted display to the target focal length.

6. a kind of head-mounted display, it is characterised in that the head-mounted display includes：

Eyes number of degrees acquisition module, for when detecting user and wearing the head-mounted display, obtaining the eyes of the user The number of degrees；

Target focus adjustment module, for the eyes number of degrees according to the user, by the focal length of eyeglass in the head-mounted display Adjust to target focal length, to cause that the user watches definition to meet pre-conditioned picture, wherein, the picture is described Picture shown by head-mounted display.

7. head-mounted display as claimed in claim 6, it is characterised in that the head-mounted display also includes：

Relation sets up module, the corresponding relation for setting up the M eyes number of degrees and N number of target location, wherein, N is more than zero Integer, M is the integer more than or equal to N.

8. head-mounted display as claimed in claim 7, it is characterised in that the target focus adjustment module includes：

Position acquisition unit, the corresponding target location of the eyes number of degrees for obtaining the user；

Eyeglass mobile unit, for according to eyeglass in the target location movement head-mounted display, display being worn by described The focus adjustment of eyeglass is to target focal length in device.

9. the head-mounted display as described in any one of claim 6 to 8, it is characterised in that the eyes number of degrees acquisition module bag Include：

Information acquisition unit, for when detecting user and wearing the head-mounted display, obtaining the eyeball information of the user；

Number of degrees acquiring unit, if not matched that for the eyeball information and the eyeball information for pre-setting of the user, obtains The eyes number of degrees of the user；

The head-mounted display also includes：

Processing module, if for the eyeball information and the eyeball information match for pre-setting of the user, obtain with it is described The corresponding target focal length of the eyeball information that pre-sets, and by the focus adjustment of eyeglass in the head-mounted display to the target Focal length.

10. a kind of head-mounted display, including memory, processor and storage are in the memory and can be in the processor The computer program of upper operation, it is characterised in that realize following steps during computer program described in the computing device：

When detecting user and wearing the head-mounted display, the eyes number of degrees of the user are obtained；

The eyes number of degrees according to the user, by the focus adjustment of eyeglass in the head-mounted display to target focal length, to cause The user watches definition to meet pre-conditioned picture, wherein, the picture is the picture shown by the head-mounted display Face.