WO2019109318A1

WO2019109318A1 - Head-mounted display device and adjustment control method therefor

Info

Publication number: WO2019109318A1
Application number: PCT/CN2017/115093
Authority: WO
Inventors: 黄政; 陈臻伟; 赵越
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2017-12-07
Filing date: 2017-12-07
Publication date: 2019-06-13
Also published as: CN111417888A; CN111417888B

Abstract

A head-mounted display device (100) and an adjustment control method therefor. The head-mounted display device (100) comprises a display apparatus (20), a processor (50), a driving apparatus (40) and a detection apparatus (30). The driving apparatus (40) is connected to the display apparatus (20). The detection apparatus (30) is used for collecting eye image information of a user who wears the head-mounted display device (100). The processor (50) is connected to the display apparatus (20), the driving apparatus (40) and the detection apparatus (30), and the processor (50) is used for controlling, at least according to the eye image information collected by the detection apparatus (30), the driving apparatus (40) so same moves to adjust the position of the display apparatus (20), so that an optical axis of the display apparatus (20) passes through a pupil center of an eyeball, thus making the line of sight of the user consistent with the optical axis of the display apparatus (20).

Description

Head mounted display device and adjustment control method thereof

Technical field

The present invention relates to a display device, and more particularly to a head mounted display device and an adjustment control method of the head mounted display device.

Background technique

Head-mounted display devices have gradually become popular because of their convenience and ability to achieve stereoscopic display and stereo sound. In recent years, with the advent of virtual reality (VR) technology, head-mounted display devices have become more widely used as hardware support devices for VR technology. When the user wears the head-mounted display device, if the user's eyeball rotates, it will inevitably cause the optical axis to deviate from the center of the eyeball pupil, that is, the user's line of sight is inconsistent with the optical axis of the optical lens, which may affect the imaging quality, thereby affecting the user experience.

Summary of the invention

In order to solve the above problems, an embodiment of the present invention discloses a head mounted display device and an adjustment control method thereof.

A head mounted display device includes a display device and a processor, the display device is configured to output a display screen and transmit the display screen to a user's eyes,

The head mounted display device further includes:

a driving device connected to the display device for driving the display device to move;

a detecting device, configured to collect eye image information of a user wearing the head mounted display device;

The processor is connected to the display device, the driving device and the detecting device, and the processor is configured to control the movement of the driving device to adjust the display device according to at least the eye image information collected by the detecting device. position.

Further, controlling the movement of the driving device to adjust the position of the display device according to the image information of the eye collected by the detecting device comprises: acquiring a feature position according to the image information of the eye collected by the detecting device, and determining When the feature position deviates from the preset position, the driving device is controlled to adjust the position of the display device, so that the optical axis of the display device passes through the pupil center of the eyeball.

Further, the processor calculates an adjustment path of the display device according to the feature position, and the processor controls the driving device to drive the display device to move along the adjustment path.

Further, the preset position is a central position of the eye, and when the user faces the front, the position of the pupil center is located at a center position of the eye, and when the user's eyeball rotates to other directions, the processor according to the eye image information Determining that the pupil center of the user's eye deviates from the predetermined position, the processor determines the distance and direction of the deviation, and then controls the drive to drive the display device to move the corresponding distance in the corresponding direction.

Further, the preset position is that when the optical axis of the display device passes through the center of the pupil of the user, the center of the pupil in the eye image collected by the detecting device is located at the position of the eye image The processor calculates a feature location according to the eye image information; the processor compares the feature location with the preset location, and if the feature location deviates from the preset location, the processor Determining that the optical axis of the display device is offset from the center of the pupil; if the feature position is the same as the preset position, the processor determines that the optical axis of the display device passes through the center of the pupil.

Further, the head mounted display device further includes a housing and a guiding member fixedly mounted on the housing, and the display device is slidably disposed on the guiding member.

Further, the guiding member has a circular arc structure, and when the user uses the head mounted display device, the center of the guiding member coincides with the center of the user's eyeball, and the optical axis of the detecting device is The optical axis of the display device is in a first plane, the guide is on a second plane, and the first plane and the second plane are perpendicular to each other.

Further, the display device includes a display screen and an optical lens, and the display screen, the optical lens and the detecting device are all movably mounted on the guiding member, and the display screen is used for outputting a display screen. The optical lens is located on an output path of a display screen of the display screen.

Further, the display device further includes a base slidingly contacting the guiding member, and the display screen, the optical lens and the detecting device are fixed on the base.

Further, a guiding groove is formed on the base, and the base is slidably contacted with the guiding member through the guiding groove.

Further, the guide member forms a plurality of racks disposed along a circular arc profile thereof, and the head mounted display device further includes a gear structure movably coupled to the base, the gear structure and the plurality of teeth Strip engagement.

An adjustment control method for a head mounted display device includes the following steps:

Collecting, by the detecting device of the head mounted display device, eye image information of a user wearing the head mounted display device;

Determining, according to at least the eye image information, whether the user's eyeball is rotated;

The drive device controlling the head mounted display device drives the display device to move to adjust the position of the display device when it is determined that the user's eyeball is rotated.

Further, the step of determining, according to the at least the eye image information, whether the eyeball of the user is rotated comprises: acquiring a feature position according to at least the eye image information; and determining whether the feature position deviates from a preset position A determination is made as to whether the user's eyeball has rotated.

Further, when determining that the user's eyeball is rotated, the step of controlling the driving device of the head mounted display device to drive the display device to adjust the position of the display device comprises:

Calculating an adjustment path of the display device according to at least the feature position;

Controlling the drive device to drive the display device to move along an adjustment path.

Further, the preset position is a central position of the eye, and when the user faces the front, the pupil center is located at a center position of the eye, that is, the preset position, and the characteristic position of the user's eye is determined according to the eye image information. When the preset position is deviated, it is determined that the optical axis of the display device is offset from the center of the pupil; if the feature position is the same as the preset position, determining that the optical axis of the display device passes through the center of the pupil.

Further, the preset position is that when the optical axis of the display device passes through the center of the pupil of the user, the feature in the eye image collected by the detecting device is located at the position of the eye image. Calculating a feature position according to the eye image information, comparing the feature position and the preset position, and if the feature position deviates from the preset position, determining that an optical axis of the display device is offset from a center of the pupil And if the feature position is the same as the preset position, determining that the optical axis of the display device passes through the center of the pupil.

Further, when determining that the user's eyeball is rotated, the step of controlling the driving device of the head mounted display device to drive the display device to adjust the position of the display device includes controlling the head a driving device of the wearable display device drives the display device on the head mounted display The guide of the device moves.

The head-mounted display device and the adjustment control method provided by the invention can automatically detect the user's eyeball steering, and can automatically adjust the position of the display device when the user's line of sight does not coincide with the optical axis of the display device, so that the display device The optical axis passes through the center of the pupil such that the line of sight of the user coincides with the optical axis of the display device, thereby causing the portion of the eyeball to be re-imaged through the central portion of the optical lens, and the image quality is obtained. Guaranteed, improved user immersion, and improved user experience.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

1 is a perspective view of a head mounted display device in accordance with an embodiment of the present invention.

2 is a block diagram showing the structure of a head mounted display device in accordance with an embodiment of the present invention.

FIG. 3 is a perspective view showing a partial structure of a head mounted display device according to an embodiment of the present invention.

4 is a schematic diagram of a user using a head mounted display device in accordance with an embodiment of the present invention.

FIG. 5 is a flowchart of an adjustment control method of a head mounted display device according to an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. 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 obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to FIG. 1 , an embodiment of the present invention provides a head mounted display device 100 . The head mounted display device 100 can be a head mounted device such as a smart helmet or smart glasses.

Referring to FIG. 2 , the head mounted display device 100 includes a display device 20 , a detecting device 30 , a driving device 40 , and a processor 50 .

The display device 20 is configured to output a display screen and transmit the display screen to a user's eyes.

The detecting device 30 is configured to collect eye image information including a user's eyes.

The driving device 40 is configured to drive the display device 20 to move to adjust the position of the display device 20.

The processor 50 is connected to the detecting device 30, the display device 20, and the driving device 40.

The processor 50 is configured to control the movement of the driving device 40 according to at least the eye image information collected by the detecting device 30 to adjust the position of the display device 20.

The processor 50 can be a microcontroller, a microprocessor, a microcontroller, a digital signal processor, or the like.

Specifically, the head mounted display device 100 includes a housing 10 on which the display device 20 is movably disposed.

Referring to FIG. 3 together, the display device 20 includes a base 22, a display screen 24, and an optical lens 26.

The base 22 is movably coupled to the housing 10 for carrying the display screen 24 and the optical lens 26. The driving device 40 is coupled to the base 22 for driving the base 22 to move.

The display screen 24 is fixed to the base 22 for outputting a display screen. The display screen 24 is a flexible display screen, and the display screen 24 is arranged in a circular arc shape to maximize the display range.

The optical lens 26 is fixed on the base 22, and the optical lens 26 is located on an output path of the display screen of the display screen 24 for transmitting the display screen to the eyes of the user. When the user wears the head mounted display device 100, the optical lens 26 is located on the side of the display screen 24 close to the user's eyes, so that the display screen output by the display screen 24 passes through the optical lens 26 The eyes of the user. The optical axis of the optical lens 26 coincides with the optical axis of the display screen 24, and the optical axis of the optical lens 26 is the optical axis of the display device 20.

The detecting device 30 is fixed on the base 22, as described above, for detecting eye information including the eyes of the user. The detecting device 30 is an image capturing device for taking in image information of the user's eyes. Preferably, the camera device is an infrared camera device.

The processor 50 is configured to control the movement of the driving device 40 to adjust the position of the display device 20 according to at least the eye image information collected by the detecting device 30. Determining whether the eyeball of the user rotates according to the eye image information collected by the detecting device 30, and determining the eye of the user The movement of the drive unit 40 is controlled to adjust the position of the display unit 20 as the ball rotates.

Further, the feature position information is acquired according to the eye image information collected by the detecting device 30, and when the feature position is determined to deviate from the preset position, the eyeball of the user is determined to rotate. In the present embodiment, the center of the pupil is selected as the determined eye feature. The feature position is a position in the eye image in the eye image collected by the detecting device 30, and the feature position is a pupil center position. In some embodiments, other features of the eyeball may be selected for judgment, such as a point on the red blood cell on the eyeball, and the like.

Specifically, the processor 50 acquires a feature position according to the eye image information. The processor 50 determines whether the optical axis of the display device 20 deviates from the user's pupil center based on at least the feature position. If the processor 50 determines that the user's eyeball is rotating, that is, the optical axis of the display device 20 is offset from the center of the pupil of the user. The processor 50 controls the driving device 40 to drive the display device 20 to move according to at least the feature position. In this embodiment, the processor 50 performs the pupil image positioning, the morphological method processing, the edge information extraction, and the like on the eye image, and further calculates the feature position by using the image, and determines whether the feature position deviates from the Preset position.

The preset position is that when the optical axis of the display device 20 passes through the pupil center of the user, the feature in the eye image collected by the detecting device 30 is located at the position of the eye image. . The feature position is that the feature in the eye image collected by the detecting device 30 is located at the position of the eye image. In the embodiment, when the optical axis of the display device 20 passes through the pupil center of the user, in the eye image collected by the detecting device 30, the preset position is located at the center of the eye image. position. When the eye image is a rectangle, the preset position is located at an intersection of a vertical line of the long side of the rectangle and a vertical line of the short side; when the eye image is a circle, the preset position Located on the center of the circle. When the user's eyeball rotates to the left or rotates to the right, the feature position is deviated from the preset position in the eye image collected by the detecting device 30.

Referring to FIGS. 3 and 4 , the head mounted display device 100 further includes a guide 60 . The guiding member 60 is fixedly mounted on the housing 10 . The base 22 is slidably coupled to the guide member 60. The guide 60 is used to guide the movement of the display device 20. A guiding groove 224 is formed on the base 22. The base 22 is movably sleeved on the guiding member 60 through the guiding slot 224. The driving device 40 is capable of driving the base 22 of the display device 20 to slide on the guide member 60 to adjust the position of the display device 20. In some embodiments, a guide rail is formed on the housing 10, The base 22 is mounted on the rail.

The guide member 60 has an arc structure. The optical axis of the detecting device 30 is located in a first plane with the optical axis of the display device 20, and the guiding member 60 is located on a second plane, the first plane and the second plane being perpendicular to each other. When the user uses the head mounted display device 100, the center of the guide member 60 coincides with the center of the eyeball of the user, and the second plane is at the same level as the center of the pupil of the user. When the user's eyeball rotates, The distance between the optical lens 26 of the display device 20 and the user's eyeball is kept constant, and the use of the optical axis of the display device 20 is maintained without being consistent with the user's line of sight.

Further, the guide member 60 is formed with a plurality of racks 61 disposed along a circular arc profile thereof, and the head mounted display setting table 100 further includes a gear structure 80 movably coupled to the base 22, the gear structure 80 meshes with a plurality of the racks 61, so that the movement of the display device 20 on the guide member 60 is smooth and stable, and thus does not affect the viewing experience of the user.

In an embodiment, the guiding member 60 may be provided with a guiding groove, and the base 22 may form a guide rail, and the guiding rail of the base 22 is slidably engaged with the guiding groove of the guiding member 60. It can be understood that the display device 20 can omit the pedestal 22, and the display screen 24, the optical lens 26 and the detecting device 30 are all movably mounted on the guiding member 60.

When the user wears the head mounted display device 100, the detecting device 30 collects user eye image information and transmits the user eye image information to the processor 50, and the processor 50 according to the The user's eye image information is calculated and analyzed to obtain the feature position. The processor 50 determines whether the optical axis of the display device 20 passes through the pupil center according to the feature position. If the processor 50 determines that the optical axis of the display device 20 deviates through the center of the pupil, the processor 50 controls the driving device 40 to drive the display device 20 to adjust the position to make the display The optical axis of device 20 re-enters the center of the pupil such that the user's line of sight coincides with the optical axis of display device 20. During this process, the detecting device 30 continuously collects an image of the eye including the eye until the processor 50 determines that the feature position is the same as the preset position, the processor 50 controls the The display device 20 stops moving. The portion of the eyeball that is gazing is again imaged through the central portion of the optical lens 26, the image quality is ensured, the immersion sensation of the user is improved, and the user experience is improved.

The display device 20 of the head mounted display device 100 is capable of being controlled by the processor 50 Automatically detecting the user's eyeball steering and automatically adjusting the position of the display device 20 such that the optical axis of the display device 20 re-passes through the center of the pupil, so that even in the case where the user's eyeball is rotated, the head The wearable display device 100 can automatically adjust the position of the display device 20 to facilitate the use of the head mounted display device 100.

In this embodiment, the optical axis of the detecting device 30 is in the same plane as the optical axis of the display device 20. If the optical axis of the display device 20 passes through the center of the pupil, in the eyeball image taken by the detecting device 30, the pupil center is located at the center of the eyeball image, in other words, if the processor According to the user's eye image information, it is calculated that the feature position is located at the center of the eyeball image, and the processor 50 determines that the optical axis of the display device passes through the pupil center; otherwise, the The processor 50 then determines that the optical axis of the display device 20 is offset from the center of the pupil.

In the process of adjusting the position of the display device 20, the detecting device 30 collects image information of the user's eyes, and the processor 50 performs analysis according to the newly collected image information of the user's eyes until the processor 50 determines The optical axis of the display device 20 passes through the center of the pupil, that is, the optical axis of the display device 20 is consistent with the line of sight of the user's eyeball, and the processor 50 controls the display device 20 to stop moving.

In this embodiment, the detecting device 30 collects user's eye image information in real time, and the processor 50 acquires the feature position according to at least the user's eye image information. It can be understood that the detecting device 30 can collect user's eye image information from time to time or timing.

In an embodiment, the processor 50 acquires a feature position according to at least the user's eye image information, and calculates an adjustment path of the display device 20, for example, if the feature position deviates in a first direction. The first position of the central position of the eyeball image adjusts the display device 20 to move the first distance in the first direction; the driving device 40 drives the display device 20 to move in response to the processor 50, The display device 20 moves along the adjustment path to adjust the position, thereby passing the optical axis of the display device 20 through the center of the pupil.

In an embodiment, the optical axis of the detecting device 30 and the optical axis of the display device 20 may not be in the same plane, and the plane of the optical axis of the detecting device 30 is not perpendicular to the first plane. The processor 50 calculates a feature position according to the image information of the user's eye, and the feature position is a position of a feature in the eyeball image collected by the detecting device 30. The processor 50 compares the feature location with the preset location, and if the feature location and the preset location are the same, the location The processor 50 determines that the optical axis of the display device 20 passes through the center of the pupil; if the feature position deviates from the preset position, the processor 50 determines that the optical axis of the display device 20 is offset from the pupil center, The processor 50 calculates a corresponding adjustment path according to the feature position and the preset position, and controls the display device 20 to move along the adjustment path.

In some embodiments, the user's eyeball rotation may be determined according to other manners, such as the distance from the center of the pupil to one of the corners of the eye, and when the distance changes, it means that the user's eyeball rotates; Or the position of a feature on the eyeball changes, which also means that the user's eyeball rotates.

In an embodiment, wherein the preset position is a center position of the eye, and when the user faces the front, the center of the pupil is located at a center position of the eye, that is, the preset position, when the user's eyeball rotates to other directions. For example, when looking to the left or to the right, the pupil center will deviate from the preset position, and the processor 50 acquires the feature position according to the eye image information, and when the feature position deviates from the preset position, Determining that the center of the pupil of the user's eye deviates from the preset position, the processor determines the distance and direction of the deviation, and then controls the driving device 40 to drive the display device 20 to move the corresponding distance in the corresponding direction while maintaining the display device The optical axis of 20 passes through the center of the user's pupil such that the optical axis of the display device 20 coincides with the line of sight of the user's eye.

Referring to FIG. 5, an adjustment control method in an embodiment of the present invention is applied to a head mounted display device, and the steps in the adjustment control method are not limited to the following execution sequence. The adjustment control method includes the following steps:

Step 501: Collect, by the detecting device of the head mounted display device, eye image information of a user wearing the head mounted display device;

Step 502: determining, according to at least the eye image information, whether the eyeball of the user is rotated;

Step 503, when determining that the user's eyeball is rotated, controlling a driving device of the head mounted display device to drive the display device to adjust the position of the display device, thereby making the optical axis of the display device Pass through the center of the pupil of the user's eye.

The step 502 includes: acquiring a feature position according to at least the eye image information; and determining whether the eyeball of the user is rotated by determining whether the feature position deviates from a preset position.

Specifically, the image of the user's eye is processed and analyzed by a processor of the head mounted display device And acquiring the feature position, comparing the feature position with the preset position, determining whether the feature position deviates from the preset position, and determining whether the eyeball of the user is rotated, and if yes, executing step 503 Otherwise, return to step 501.

When it is judged that the eyeball of the user is rotated, the optical axis of the display device is offset from the center of the pupil of the user, in other words, the optical axis of the display device does not coincide with the line of sight of the user.

The preset position is that a feature in the eye image collected by the detecting device is located at a position of the eye image when the optical axis of the display device passes through the pupil center of the user. The feature position is that a feature in the eye image collected by the detecting device is located at a position of the eye image. In this embodiment, when the optical axis of the display device passes through the pupil center of the user, the preset position is located at the center position of the eye image in the eye image collected by the detecting device. When the eye image is a rectangle, the preset position is located at an intersection of a vertical line of the long side of the rectangle and a vertical line of the short side; when the eye image is a circle, the preset position Located on the center of the circle. When the user's eyeball rotates to the left or rotates to the right, the feature position is deviated from the preset position in the eye image collected by the detecting device.

In the step 502, when it is determined by the processor that the feature position deviates from the preset position, it is determined that the user's eyeball is rotated, meaning that the optical axis of the display device is offset from the pupil center, and execution is performed. Step 503, otherwise, return to step 501.

It can be understood that when the processor determines that the user's eyeball has not rotated, that is, the optical axis of the display device passes through the center of the pupil, it may not return to step 501. The detecting device can collect image information of the user's eyes periodically or irregularly.

Further, in the step 503, determining, according to the feature position, the direction of the eye movement of the user, that is, the direction in which the center of the user's pupil is deviated, the driving device driving the display device on the headset The guide of the display device moves in the corresponding direction. The guide member has an arc structure. The optical axis of the detecting device is located in a first plane with an optical axis of the display device, the guiding member is located on a second plane, and the first plane and the second plane are perpendicular to each other. When the user uses the head mounted display device, the center of the guide member coincides with the center of the eyeball of the user, and the first plane is at the same level as the center of the pupil of the user. After the user's eyeball rotates, the driving device drives the display device to move the guide member of the head mounted display device, and the detecting device continuously collects an eye image including the eye until the processor Determining that the feature location is opposite the preset location At the same time, the processor controls the display device to stop moving.

In an embodiment, the step 503 includes: calculating an adjustment path of the display device according to at least the feature position; and controlling the driving device to drive the display device to move along the adjustment path.

In an embodiment, wherein the preset position is a center position of the eye, and when the user faces the front side, the position of the pupil center is located at a center position of the eye, that is, the preset position, when the user's eyeball rotates to other When the direction is, for example, looking left or right, the position of the pupil center will deviate from the preset position, and the processor determines, according to the eye image information, that the pupil center of the user's eye deviates from the preset position, and determines The distance and direction of the deviation are then controlled to drive the display device to move the corresponding distance in the respective direction while maintaining the optical axis of the display device through the center of the user's pupil.

In an embodiment, the user's eyeball rotation may be determined according to other manners, such as the distance from the center of the pupil to one of the corners of the eye. When the distance changes, it means that the user's eyeball rotates; Or the position of a feature on the eyeball changes, which also means that the user's eyeball rotates.

The head-mounted display device and the adjustment control method provided by the invention can automatically detect whether the user's eyeball is rotated, and can automatically adjust the position of the display device when the user's line of sight does not coincide with the optical axis of the display device, so that the The optical axis of the display device passes through the center of the pupil such that the line of sight of the user coincides with the optical axis of the display device, thereby causing the portion of the eyeball to be re-imaged through the central portion of the optical lens for imaging The quality is guaranteed, which enhances the user's immersion and improves the user experience.

The above is a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It is the scope of protection of the present invention.

Claims

A head mounted display device includes a display device and a processor, the display device is configured to output a display screen and transmit the display screen to a user's eyes,

It is characterized in that

The head mounted display device further includes:

a driving device connected to the display device for driving the display device to move;

a detecting device, configured to collect eye image information of a user wearing the head mounted display device;

The processor is connected to the display device, the driving device and the detecting device, and the processor is configured to control the movement of the driving device to adjust the display device according to at least the eye image information collected by the detecting device. position.
The head-mounted display device according to claim 1, wherein controlling the movement of the driving device to adjust the position of the display device according to the image information of the eye collected by the detecting device comprises: according to the detecting The eye image information collected by the measuring device acquires a feature position, and when the feature position is determined to deviate from the preset position, the driving device is controlled to move to adjust the position of the display device, thereby allowing the optical axis of the display device to pass through The pupil center of the eyeball.
The head-mounted display device according to claim 2, wherein said processor calculates an adjustment path of said display device based at least on said feature position, said processor controlling said drive device to drive said The display device moves along the adjustment path.
The head-mounted display device according to claim 2, wherein the preset position is a center position of the eye, and when the user faces the front, the position of the pupil center is located at a center position of the eye, when the user's eye rotates When in other directions, the processor determines, according to the eye image information, that the pupil center of the user's eye deviates from the preset position, the processor determines the distance and direction of the deviation, and then controls the driving device to drive the display device toward the corresponding direction. The corresponding distance of movement.
The head-mounted display device according to claim 2, wherein the preset position is an eye collected by the detecting device when an optical axis of the display device passes through a center of the pupil of the user The center of the pupil in the image is located at the position of the eye image, and the processor calculates the feature position according to the image information of the eye; the processor compares the feature position with the preset position, if Deviating from the preset position, the processor determines that an optical axis of the display device deviates from the a pupil center; if the feature position is the same as the preset position, the processor determines that the optical axis of the display device passes through the center of the pupil.
The head-mounted display device according to claim 2, wherein the head-mounted display device further comprises a housing and a guiding member fixedly mounted on the housing, wherein the display device is slidably disposed On the guide member.
The head-mounted display device according to claim 6, wherein the guide member has a circular arc structure, and when the user uses the head-mounted display device, the center of the guide member and the eyeball of the user Centers coincide, an optical axis of the detecting device is located in a first plane with an optical axis of the display device, and the guiding member is located on a second plane, the first plane and the second plane being perpendicular to each other.
The head-mounted display device according to claim 6, wherein the display device comprises a display screen and an optical lens, and the display screen, the optical lens and the detecting device are all movably mounted on the On the guide, the display screen is for outputting a display screen, and the optical lens is located on an output path of the display screen of the display screen.
The head-mounted display device according to claim 8, wherein the display device further comprises a base slidably coupled to the guide member, the display screen, the optical lens and the detecting device Fixed to the base.
A head-mounted display device according to claim 9, wherein a guide groove is formed in the base, and the base is slidably coupled to the guide member through the guide groove.
A head mounted display device according to claim 9, wherein said guide member has a plurality of racks disposed along a circular arc profile thereof, and said head mounted display device further comprises an active connection with said base Gear structure that meshes with a plurality of said racks.
An adjustment control method for a head mounted display device, comprising the steps of:

Collecting, by the detecting device of the head mounted display device, eye image information of a user wearing the head mounted display device;

Determining, according to at least the eye image information, whether the user's eyeball is rotated;

The drive device controlling the head mounted display device drives the display device to move to adjust the position of the display device when it is determined that the user's eyeball is rotated.
The adjustment control method according to claim 12, wherein the step of determining whether the user's eyeball has rotated based at least on the eye image information comprises: at least according to the eye The part image information acquires the feature position; and determines whether the user's eyeball is rotated by determining whether the feature position deviates from the preset position.
The adjustment control method according to claim 13, wherein said controlling a driving device of said head mounted display device drives said display device to move when said determining that said user's eyeball is rotated The steps of displaying the location of the device include:

Calculating an adjustment path of the display device according to at least the feature position;

Controlling the drive device to drive the display device to move along an adjustment path.
The adjustment control method according to claim 13, wherein the preset position is a center position of the eye, and when the user faces the front, the center of the pupil is located at a center position of the eye, that is, the preset position, according to When the eye image information determines that the feature position of the user's eyes deviates from the preset position, it is determined that the optical axis of the display device is offset from the center of the pupil; if the feature position is the same as the preset position, then determining The optical axis of the display device passes through the center of the pupil.
The adjustment control method according to claim 13, wherein the preset position is an eye image collected by the detecting device when an optical axis of the display device passes through a center of the pupil of the user The feature is located at a position of the eye image, and the feature position is calculated according to the eye image information, and the feature position and the preset position are compared, and if the feature position deviates from the preset position, determining The optical axis of the display device is offset from the center of the pupil; if the feature position is the same as the preset position, it is determined that the optical axis of the display device passes through the center of the pupil.
The adjustment control method according to claim 12, wherein said controlling a driving device of said head mounted display device drives said display device to move when said determining that said user's eyeball is rotated The step of displaying the position of the device includes controlling a drive of the head mounted display device to drive movement of the display device to the guide of the head mounted display device.