CN102944935B - Binocular head-wearing display device and method thereof for adjusting image spacing - Google Patents
Binocular head-wearing display device and method thereof for adjusting image spacing Download PDFInfo
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- CN102944935B CN102944935B CN201210455291.4A CN201210455291A CN102944935B CN 102944935 B CN102944935 B CN 102944935B CN 201210455291 A CN201210455291 A CN 201210455291A CN 102944935 B CN102944935 B CN 102944935B
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Abstract
The invention provides a binocular head-wearing display device and a method thereof for adjusting image spacing, which belongs to the technical field of head-wearing display. The binocular head-wearing display device can solve the problems of the prior art of complicated operation for image spacing adjustment and poor display effects and viewing experience. The binocular head-wearing display device comprises two display units, an image acquisition unit and an interpupillary distance analysis unit, wherein the two display units are respectively used for generating test images and display images for the left eye and the right eye of a user, the two test images respectively have a test mark, and the spacing between the two test marks is gradually increased or gradually reduced; the image acquisition unit is used for acquiring images in both eyes of the user, and the interpupillary distance analysis unit is used for getting the critical moment when the interpupillary distance changes according to images in the eyes of the user when the user watches the test images and determining the image spacing according to the spacing between the two test marks at the critical moment. In addition, the critical moment is a moment that the interpupillary distance stops increasing gradually and becomes stable or a moment that the interpupillary distance stops being stable and starts to reduce gradually.
Description
Technical field
The invention belongs to and wear Display Technique field, be specifically related to a kind of eyes formula head-wearing display device and image pitch method of adjustment thereof.
Background technology
Head-wearing display device (HMD, Head Mount Display), also known as glasses display unit, video eyeglasses, with oneself movie theatre etc., is directly be worn over user's display device at the moment with the form of the similar helmet or glasses.Head-wearing display device divides and can be eyes formula and simple eye formula two kinds, and simple eye formula head-wearing display device is only for eyes of user provide image, and the eyes that eyes formula head-wearing display device is respectively user provide different images.
As shown in Figure 1, eyes formula head-wearing display device comprises two display units 1 (as liquid crystal display) for generation of display image, and they are respectively the left eye 8 of user and right eye 8 provides image, thus can realize 3D display easily.Wherein, display unit 1 is preferably placed at device both sides (as in " leg of spectacles "), the light that they send need could arrive eyes of user 8 after reflector element (being made up of a series of reflecting optics 21,22) reflection, and this is mainly in order to saveall space; Certainly, if do not have reflector element, and display unit 1 to be directly arranged in eyes of user 8 front be also feasible.In addition, also focusing lens unit 3 can be provided with in the light path of image propagates, each focusing lens unit 3 comprises one or more focusing lens, it is for adjusting the object distance (inventing the image from remotely sending, to improve viewing experience by " image "), enlarged image etc. of the relative human eye of image.Certainly, above display unit 1, reflector element, focusing lens unit 3 etc. all have multiple different form known, therefore are not described in detail at this.
As shown in Figure 2, when people's eyes see object, left eye and right eye can see piece image separately respectively, and namely people is actual sees two width images, but the image that human brain can be seen eyes carries out synthesis process, finally makes people feel only to see piece image.The detailed process of above-mentioned synthesis process is relevant with the position of eyes, in some cases (such as deliberately " to eye " sees very near object), as shown in Figure 3, binocular images correctly can not be synthesized piece image by human brain, then people can feel that the object seen occurs " ghost image " etc.
Obviously, when using eyes formula head-wearing display device, user should be made to feel oneself it is seen that piece image, but not eyes see different images.For realizing this purpose, should ensure when user's look straight ahead, when the image that two display units produce enters user's eyes, keeping specific distance, thus make the brain of user the two correct synthesis can be treated to piece image; That is, the spacing of image that eyes formula head-wearing display device produces should be mated with the interpupillary distance of user when people's look straight ahead (refer to two interpupillary distances).If image pitch is not mated with user's interpupillary distance, then user will feel that " ghost image " appears in image, and display effect is bad, or the sight line (such as deliberately " to eye ") that user deliberately must adjust eyes just can see image clearly, and Consumer's Experience is bad.
Obviously, the interpupillary distance of different people is different (usually between 58 ~ 64mm), therefore the image pitch adapting to different user is also different.Therefore, before each user uses eyes formula head-wearing display device, need according to oneself demand adjustment image pitch, the interpupillary distance of itself and oneself is adapted.At present, the image pitch adjustment of eyes formula head-wearing display device has multiple diverse ways, such as to the eyes formula head-wearing display device with reflector element, along the direction rotary reflection eyeglass 21 in Fig. 1 shown in arrow, thus the distance between two images injecting user's eyes can be changed; Or, the also position (being equivalent to the position adjusting computer display screen epigraph) of the image that produces of adjustable two display units, thus the spacing of the image injecting human eye is changed.Certainly, adjustment image pitch also has other methods many, such as, directly adjust the position etc. of display unit, because these methods are known, therefore be not described in detail at this.
Inventor finds that in prior art, at least there are the following problems: the image pitch adjustment of existing eyes formula head-wearing display device is manually carried out voluntarily by user, therefore its troublesome poeration, most users does not have corresponding specialized technical knowledge simultaneously, therefore value image pitch being adjusted to mating most with interpupillary distance surely that differs, may cause display effect and viewing experience bad.
Summary of the invention
Technical problem to be solved by this invention comprises, for the image pitch adjustment troublesome poeration of eyes formula head-wearing display device in prior art, display effect and the bad problem of viewing experience, provide a kind of simple to operate, display effect and the good eyes formula head-wearing display device of viewing experience.
The technical scheme that solution the technology of the present invention problem adopts is a kind of eyes formula head-wearing display device, comprising:
Two display units, be respectively used to the image produced for user's left eye and right eye viewing, described image comprises test pattern and display image; Wherein, respectively have a test badge in the test pattern that user's left eye and right eye are watched, and the spacing of two test badges increases or reduces gradually gradually;
Image acquisition units, for gathering the image of user's eyes;
Interpupillary distance analytic unit, for obtaining the critical moment of user's pupil of both eyes spacing change according to the image of user's eyes when user watches test pattern, and determine the spacing of the image watched for user's left eye and right eye according to the spacing of described critical moment two test badge; Wherein, when two test badge spacing increase gradually, user's pupil of both eyes spacing increases gradually before critical moment, and keep stable from critical moment, when two test badge spacing reduce gradually, user's pupil of both eyes spacing keeps stable before critical moment, and reduces gradually from critical moment.
Wherein, " test pattern " refers to when each user brings into use eyes formula head-wearing display device, for measuring user's interpupillary distance to adjust the thematic map picture of image pitch; " display image " refers to that user is at the normal picture with generation during eyes formula head-wearing display device viewing required content (as film etc.)." user's pupil of both eyes spacing " refers to the change along with user's eyeball position, two interpupillary distances, and " interpupillary distance " refers to the distance of user when look straight ahead between pupil of both eyes, for each user, its " pupil of both eyes spacing " changes at any time, and " interpupillary distance " is definite value." critical moment " refers to that user's pupil of both eyes spacing never changes to the moment starting to change, or from changing to, stablize the constant moment.Spacing when " image pitch " refers to that the image watched for user's left eye and right eye produced by two display units is respectively mapped to eyes of user, it should mate with the interpupillary distance of user just can reach good display effect.
In eyes formula head-wearing display device of the present invention, display unit can provide test pattern, respectively has a test badge (user every eyes can only see a test badge) in two test patterns.When the spacing of two test badges increases gradually, user starts to follow the tracks of two test badges with eyes respectively when pupil of both eyes spacing is less than interpupillary distance, and pupil of both eyes spacing increases with the increase of test badge spacing, when pupil of both eyes spacing increases to interpupillary distance, (critical moment) then can stop increasing and keeping stable; This is because human eye uncomfortablely to see laterally (namely people can only " to eye " and can not " point eye "), the distance between old friend's pupil of both eyes generally can not be greater than interpupillary distance.Accordingly, when the spacing of two test badges reduces gradually, follow the trail of two test badges respectively (critical moment) when user also can equal interpupillary distance from pupil of both eyes spacing, and pupil of both eyes spacing starts to reduce gradually.It can thus be appreciated that, at critical moment, user's pupil of both eyes spacing equals interpupillary distance just, and by image that analysis image collecting unit gathers, interpupillary distance analytic unit can find this critical moment, and (namely user's eyes are from gradually away from becoming the out-of-work moment, or become the moment close gradually from slack), and the interpupillary distance of user is judged according to the spacing of critical moment two test badge, then determine the image pitch of applicable user.Therefore, device of the present invention can adjust image pitch automatically, accurately, simple to operate, display effect and viewing experience good.
Preferably, two test badges lay respectively on the horizontal bisector of respective test pattern; Distance between two test badges to user's eyes line mid point is equal.
Preferably, described eyes formula head-wearing display device also comprises: image pitch adjustment unit, for adjusting the spacing of the image watched for user's left eye and right eye.
Further preferably, described eyes formula head-wearing display device also comprises: reflector element, reflexes to eyes of user for the image produced by display unit, and described reflector element comprises reflecting optics; And described image pitch adjustment unit is for adjusting the angle of reflecting optics.
Further preferably, described image pitch adjustment unit is for adjusting the position of the image of display unit generation; Or described image pitch adjustment unit is for adjusting the position of display unit.
Preferably, described eyes formula head-wearing display device also comprises: the image for being produced by display unit reflexes to the reflector element of eyes of user, and described reflector element comprises IMAQ eyeglass, and described IMAQ eyeglass is half-reflection and half-transmission eyeglass; Wherein said image acquisition units collection is by the image of the eyes of user of IMAQ lens reflecting, and the image that described display unit produces is through passing to eyes of user after IMAQ eyeglass; Or described image acquisition units collection is through the image of the eyes of user of IMAQ eyeglass, and the image that described display unit produces passes to eyes of user after IMAQ lens reflecting.
Preferably, described image acquisition units comprises: two image acquisition devices, is respectively used to the image gathering user's left eye and right eye; Or an image acquisition device, for gathering the image of user's eyes.
Technical problem to be solved by this invention also comprises, for the image pitch adjustment troublesome poeration of eyes formula head-wearing display device in prior art, display effect and the bad problem of viewing experience, there is provided a kind of simple to operate, the image pitch method of adjustment of display effect and the good eyes formula head-wearing display device of viewing experience.
The technical scheme that solution the technology of the present invention problem adopts is a kind of image pitch method of adjustment of eyes formula head-wearing display device, comprising:
Two display units produce the test pattern watched for user's left eye and right eye respectively, and have a test badge in each test pattern, the spacing of two test badges increases gradually or reduces gradually; Meanwhile, image acquisition units gathers the image of user's eyes;
Interpupillary distance analytic unit obtains the critical moment of user's pupil of both eyes spacing change according to the image of described user's eyes, and determines the spacing of the image watched for user's left eye and right eye according to the spacing of described critical moment two test badge; Wherein, when two test badge spacing increase gradually, user's pupil of both eyes spacing increases gradually before critical moment, and keep stable from critical moment, when two test badge spacing reduce gradually, user's pupil of both eyes spacing keeps stable before critical moment, and reduces gradually from critical moment;
The spacing of the image that adjustment is watched for user's left eye and right eye.
The image pitch method of adjustment of eyes formula head-wearing display device of the present invention is actual is the image pitch method of adjustment of above-mentioned eyes formula head-wearing display device, and therefore it can realize automatically adjusting accurately, simple to operate, display effect and viewing experience good.
Preferably, two test badges lay respectively on the horizontal bisector of respective test pattern; Distance between two test badges to user's eyes line mid point is equal.
Preferably, the described spacing adjusting the image watched for user's left eye and right eye comprises any one in following methods: the angle of the reflecting optics of adjustment reflector element; Adjust the position of the image that described display unit produces; Adjust the position of described display unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing eyes formula head-wearing display device;
Fig. 2 is the schematic diagram of correct binocular images synthesis processing procedure;
Fig. 3 is the schematic diagram of incorrect binocular images synthesis processing procedure;
Fig. 4 is the composition schematic block diagram of the eyes formula head-wearing display device of embodiments of the invention 1;
Fig. 5 is the structural representation of a kind of eyes formula head-wearing display device of embodiments of the invention 2;
Fig. 6 is process schematic when two test badge spacing increase gradually in the eyes formula head-wearing display device of embodiments of the invention 2;
Fig. 7 is the corresponding relation schematic diagram of two test badge spacing and user's pupil of both eyes spacing in the eyes formula head-wearing display device of embodiments of the invention 2;
Fig. 8 is the structural representation of the another kind of eyes formula head-wearing display device of embodiments of the invention 2;
Fig. 9 is the structural representation of the another kind of eyes formula head-wearing display device of embodiments of the invention 2;
Figure 10 is the method schematic diagram of the position of the image adjusting display unit display in the eyes formula head-wearing display device of embodiments of the invention 2.
Wherein Reference numeral is: 1, display unit; 21, reflecting optics; 22, the reflecting optics in eyes of user front; 23, IMAQ eyeglass; 3, focusing lens unit; 4, image acquisition units; 8, eyes of user.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1:
As shown in Figure 4, the present embodiment provides a kind of eyes formula head-wearing display device, and it comprises:
Two display units, be respectively used to the image produced for user's left eye and right eye viewing, image comprises test pattern and display image; Wherein, respectively have a test badge in the test pattern that user's left eye and right eye are watched, and the spacing of two test badges increases or reduces gradually gradually.
Image acquisition units, for gathering the image of user's eyes.
Interpupillary distance analytic unit, for obtaining the critical moment of user's pupil of both eyes spacing change according to the image of user's eyes when user watches test pattern, and determines the spacing of the image watched for user's left eye and right eye according to the spacing of critical moment two test badge; Wherein, when two test badge spacing increase gradually, user's pupil of both eyes spacing increases gradually before critical moment, and keep stable from critical moment, when two test badge spacing reduce gradually, user's pupil of both eyes spacing keeps stable before critical moment, and reduces gradually from critical moment.
In the eyes formula head-wearing display device of the present embodiment, display unit can provide test pattern, respectively has a test badge (user every eyes can only see a test badge) in two test patterns.When the spacing of two test badges increases gradually, user starts to follow the tracks of two test badges with eyes respectively when pupil of both eyes spacing is less than interpupillary distance, and pupil of both eyes spacing increases with the increase of test badge spacing, when pupil of both eyes spacing increases to interpupillary distance, (critical moment) then can stop increasing and keeping stable; This is because human eye uncomfortablely to see laterally (namely people can only " to eye " and can not " point eye "), the distance between old friend's pupil of both eyes generally can not be greater than interpupillary distance.Accordingly, when the spacing of two test badges reduces gradually, follow the trail of two test badges respectively (critical moment) when user also can equal interpupillary distance from pupil of both eyes spacing, and pupil of both eyes spacing starts to reduce gradually.It can thus be appreciated that, at critical moment, user's pupil of both eyes spacing equals interpupillary distance just, and by image that analysis image collecting unit gathers, interpupillary distance analytic unit can find this critical moment, and (namely user's eyes are from gradually away from becoming the out-of-work moment, or become the moment close gradually from slack), and the interpupillary distance of user is judged according to the spacing of critical moment two test badge, then determine the image pitch of applicable user.Therefore, the device of the present embodiment can adjust image pitch automatically, accurately, simple to operate, display effect and viewing experience good.
Embodiment 2:
The present embodiment provides a kind of eyes formula head-wearing display device, and as shown in Fig. 5 to Figure 10, it comprises two display units 1, image acquisition units, interpupillary distance analytic unit.
Wherein, two display units 1 are respectively used to produce the image watched for user's left eye 8 and right eye 8, and it can be the conventional display device such as liquid crystal display 1 (LCD), organic electroluminescence display unit 1 (OLED).Certainly, in order to adapt to head-wearing display device, the volume of display unit 1 should be very little, and should have higher resolution.
Preferably, as shown in Figure 5, Figure 8, display unit 1 is located at the sidepiece (as in " leg of spectacles ") of eyes formula head-wearing display device, therefore its display surface is not towards the eyes 8 of user, and its image produced directly does not arrive in eyes of user 8.Now, also also should comprise reflector element in eyes formula head-wearing display device, reflector element is used for the image that display unit 1 produces to reflex in eyes of user 8.Reflector element is made up of a series of reflecting optics 21,22,23, and the particular location, number, type etc. of reflecting optics 21,22,23 are determined according to the situation of display unit 1; Such as, if require that user can also see extraneous true scenery (namely for " open head-wearing display device ") while seeing image, then the reflecting optics 22 being positioned at eyes of user 8 front should be half-reflection and half-transmission eyeglass.Half-reflection and half-transmission eyeglass is a kind of display element of routine, and some light both can reflect (such as reflecting 30%) by it, and some light can be allowed again through (such as through 70%).
Certainly, two display units 1 also as shown in Figure 9, can be directly arranged in the front of user's left eye 8 and right eye 8 respectively, so just need not arrange reflector element again.
The image that display unit 1 produces comprises test pattern and display image.Wherein, " test pattern " refers to when each user brings into use eyes formula head-wearing display device, for measuring user's interpupillary distance to adjust the thematic map picture of image pitch; " display image " refers to that user is at the normal picture with generation during eyes formula head-wearing display device viewing required content (as film etc.).
As shown in Figure 6, respectively have a test badge respectively in the test pattern that user's left eye 8 and right eye 8 are watched, two test badges can move, and the distance between the two increases gradually or reduces gradually.This test badge can be illustrated in figure 6 the round dot in dark background, and it is not limited to this certainly, as long as easily by figure that user sees.
Preferably, two test badges lay respectively on the horizontal bisector of respective test pattern, and distance between two test badges to user's eyes line mid point is equal.That is, the height of two test badges preferably flushes with the height of user's eyes, therefore need not see up or down when user watches test badge; Simultaneously two test badges are preferably symmetrical, therefore need not " strabismus " when user watches test badge; Such test badge can ensure the uniformity of eyes of user 8 movement, makes test result more accurate.
Image acquisition units 4 for gathering the image of user's eyes, and by this image transfer to interpupillary distance analytic unit.
Preferably, as shown in Figure 5, Figure 8, also comprise IMAQ eyeglass 23 in reflector element, this IMAQ eyeglass 23 is half-reflection and half-transmission eyeglass.Obviously, the image that display unit 1 produces can reflex on the one hand in eyes of user 8 by reflector element the path of solid line (in the figure), simultaneously also the image of eyes of user 8 can be reflected the path of dotted line (in the figure) with reverse path, if therefore image acquisition units 4 is directly arranged in gather the reflected image of eyes of user 8 in light path, then it will inevitably stop the propagation of the image produced by display unit 1.And when having IMAQ eyeglass 23, can as shown in Figure 5, the image of the eyes of user 8 image acquisition units 4 being gathered reflected by IMAQ eyeglass 23, and the image that display unit 1 produces is through passing to eyes of user 8 after IMAQ eyeglass 23; Or also can as shown in Figure 8, image acquisition units 4 gather from IMAQ eyeglass 23 through the image of eyes of user 8, the image that display unit 1 produces then passes to eyes of user 8 again after IMAQ eyeglass 23 reflects; In a word, by arranging IMAQ eyeglass 23, the collection of eyes of user 8 image and the propagation of image can be made to be independent of each other.
Preferably, image acquisition units 4 also as shown in Figure 9, can be directly arranged in eyes of user 8 front, directly gathers the image of eyes of user 8 without reflector element.
Preferably, image acquisition units 4 as shown in Figure 5, Figure 8, can comprise two image acquisition devices, is respectively used to the image gathering user's left eye 8 and right eye 8; Or it also as shown in Figure 9, can only have an image acquisition device, for gathering the image of user's eyes.
Preferably, above-mentioned image acquisition device is CCD (charge coupled cell) photographic head or CCD camera.Because these two kinds image acquisition device volume is little, lightweight, cost is low, technology maturation, be specially adapted in eyes formula head-wearing display device.
In a word, the concrete form of image acquisition units 4 is various, it can be located at diverse location, the image that directly can gather eyes of user 8 also can gather the image of the eyes of user 8 through reflection or transmission, an image acquisition device can be only included and also can have two image acquisition devices, image acquisition device can be dissimilar device, as long as but it can collect user's binocular images.
Interpupillary distance analytic unit is then for obtaining the critical moment of user's pupil of both eyes spacing change when watching test pattern according to the image of user's eyes, and determine the image pitch for user's left eye 8 and right eye 8 viewing according to the spacing of this critical moment two test badge, send control command to image pitch adjustment unit according to this image pitch again, image pitch adjustment unit is adjusted image pitch; This interpupillary distance analytic unit can be any unit with data-handling capacity, as CPU, microchip etc.
When watching test pattern, the corresponding relation of user's pupil of both eyes spacing and two test badge spacing as shown in Figure 7; When user's pupil of both eyes spacing is less than interpupillary distance, user's eyes can observe two test badges simultaneously respectively, therefore pupil of both eyes spacing increases along with the increase of two test badge spacing, and the two is linear; And when user's pupil of both eyes spacing reaches interpupillary distance, as previously mentioned, the eyes due to people are uncomfortable to be seen laterally, therefore pupil of both eyes spacing can remain on interpupillary distance, and no longer change with the increase of two test badge spacing, now user also no longer can see two test badges simultaneously.
Therefore, when test badge spacing increases gradually, user's pupil of both eyes spacing starts first to increase gradually, and at a time afterwards (i.e. critical moment) stops increasing and remaining on interpupillary distance; Accordingly, when the spacing of test badge reduces gradually, user's pupil of both eyes spacing starts first to remain on interpupillary distance, and at a time afterwards (i.e. critical moment) starts to reduce gradually.That is, when watching test pattern, the Changing Pattern of user's pupil of both eyes spacing can change at critical moment, or keeps stable from increasing gradually to become, or reduces gradually from stable the becoming of maintenance.
Obviously, interpupillary distance analytic unit can be determined this " critical moment " by the change in location analyzing pupil in user's binocular images; Thus, be also known in the spacing of critical moment two test badge; According to Fig. 7, also just can know that the interpupillary distance of this user is how many; Again because image pitch needed for each user is corresponding with its interpupillary distance, thus interpupillary distance analytic unit finally can calculate the image pitch adapted with the demand of this user is how many, to adjust image pitch accordingly, reaches better display effect.
Certainly, in order to ensure can to occur critical moment in the process of test badge movement, therefore when two test badge spacing increase gradually, its initial distance values should be enough little, so that the minimum user of interpupillary distance eyes when starting also can follow the tracks of two test badges respectively; And when two test badge spacing reduce gradually, its initial distance values should be enough large, so that the maximum user's eyes when starting of interpupillary distance can not see two test badges respectively simultaneously.
In addition, as long as although appearance critical moment can determine the image pitch needed for user, but in order to ensure the accuracy of test result, also the spacing of two test badges can be made repeatedly to increase and reduce, there is repeatedly critical moment (such as first increase, reduce again after a critical moment to appear, there is a critical moment again), and obtain multiple image pitch by each critical moment, then determine final image pitch according to the mean value of each image pitch.
Preferably, also comprise image pitch adjustment unit in the eyes formula head-wearing display device of the present embodiment, it can be used for the image pitch of watching for user's left eye and right eye according to the control command adjustment from interpupillary distance analytic unit.
Certainly, this image pitch adjustment unit is by multiple diverse ways adjustment image pitch.
Preferably, as shown in Figure 5, Figure 8, when having reflector element in device, image pitch adjustment unit can be used for the angle of the reflecting optics 21,22 adjusted in reflector element; The mode of this adjustment is various, can adjust reflecting optics 21 as shown in Figure 5, also can adjust the reflecting optics 22 being positioned at eyes of user 8 front as shown in Figure 8.
Preferably, as shown in Figure 9, image pitch adjustment unit also can be used for the position adjusting display unit 1; Obviously, by directly adjusting the position of display unit 1, the spacing of the image injected in eyes of user 8 can also be changed.
Preferably, as shown in Figure 10, image pitch adjustment unit also can be used for the position adjusting the image that display unit 1 produces.That is, the position (being similar to the position of adjustment computer display screen epigraph) of the image that the display screen that image pitch adjustment unit can directly adjust display unit 1 produces, the image that display unit 1 is produced is not positioned at display screen center, but deviation to some extent, so also can change the image pitch finally injected in eyes of user 8.
Certainly, according to the difference of adjustment mode, the structure of image pitch adjustment unit also has difference; Such as, the image pitch adjustment unit adjusting reflecting optics 21,22 angle can be the micromachine be connected with reflecting optics 21,22; The image pitch adjustment unit of adjustment display unit 1 position can be the micro hydraulic cylinder be connected with display unit 1; The image pitch adjustment unit adjusting the position of the image that display unit 1 produces then can be the control circuit etc. be connected with display unit 1.Because the concrete structure of image pitch adjustment unit can adopt different form known, therefore be no longer described in greater detail at this.
Certainly, if there is no image pitch adjustment unit, but provide required image pitch by interpupillary distance analytic unit, and by user according to this image pitch from Row sum-equal matrix, be also feasible.
In the eyes formula head-wearing display device of the present embodiment, also can have the parts that focusing lens unit 3 etc. is known, be not described in detail at this.
Embodiment 3:
The present embodiment provides a kind of image pitch method of adjustment of eyes formula head-wearing display device, comprising:
Two display units produce the test pattern watched for user's left eye and right eye respectively, and have a test badge in each test pattern, the spacing of two test badges increases gradually or reduces gradually; Meanwhile, image acquisition units gathers the image of user's eyes;
Interpupillary distance analytic unit obtains the critical moment of user's pupil of both eyes spacing change according to the image of user's eyes, and determines the spacing of the image watched for user's left eye and right eye according to the spacing of critical moment two test badge; Wherein, when two test badge spacing increase gradually, user's pupil of both eyes spacing increases gradually before critical moment, and keep stable from critical moment, when two test badge spacing reduce gradually, user's pupil of both eyes spacing keeps stable before critical moment, and reduces gradually from critical moment;
The spacing of the image that adjustment is watched for user's left eye and right eye.
The image pitch method of adjustment of the eyes formula head-wearing display device of the present embodiment is exactly the image pitch method of adjustment of the eyes formula head-wearing display device of the various embodiments described above, and therefore it can realize automatically adjusting accurately, simple to operate, display effect and viewing experience good.
Preferably, two test badges lay respectively on the horizontal bisector of respective test pattern; Distance between two test badges to user's eyes line mid point is equal.
Preferably, the described spacing adjusting the image watched for user's left eye and right eye comprises any one in following methods: the angle of the reflecting optics of adjustment reflector element; Adjust the position of the image that described display unit produces; Adjust the position of described display unit.
Be understandable that, the illustrative embodiments that above execution mode is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (9)
1. an eyes formula head-wearing display device, is characterized in that, comprising:
Two display units, be respectively used to the image produced for user's left eye and right eye viewing, described image comprises test pattern and display image; Wherein, respectively have a test badge in the test pattern that user's left eye and right eye are watched, and the spacing of two test badges increases or reduces gradually gradually;
Image acquisition units, for gathering the image of user's eyes;
Interpupillary distance analytic unit, for obtaining the critical moment of user's pupil of both eyes spacing change according to the image of user's eyes when user watches test pattern, and determine the spacing of the image watched for user's left eye and right eye according to the spacing of described critical moment two test badge; Wherein, when two test badge spacing increase gradually, user's pupil of both eyes spacing increases gradually before critical moment, and keep stable from critical moment, when two test badge spacing reduce gradually, user's pupil of both eyes spacing keeps stable before critical moment, and reduces gradually from critical moment;
Image pitch adjustment unit, for adjusting the spacing of the image watched for user's left eye and right eye.
2. eyes formula head-wearing display device according to claim 1, is characterized in that,
Two test badges lay respectively on the horizontal bisector of respective test pattern;
Distance between two test badges to user's eyes line mid point is equal.
3. eyes formula head-wearing display device according to claim 1, is characterized in that, also comprise: reflector element, and reflex to eyes of user for the image produced by display unit, described reflector element comprises reflecting optics; And
Described image pitch adjustment unit is for adjusting the angle of reflecting optics.
4. eyes formula head-wearing display device according to claim 1, is characterized in that,
Described image pitch adjustment unit is for adjusting the position of the image of display unit generation;
Or
Described image pitch adjustment unit is for adjusting the position of display unit.
5. eyes formula head-wearing display device according to claim 1 and 2, it is characterized in that, also comprise: the image for being produced by display unit reflexes to the reflector element of eyes of user, described reflector element comprises IMAQ eyeglass, and described IMAQ eyeglass is half-reflection and half-transmission eyeglass; Wherein
Described image acquisition units collection is by the image of the eyes of user of IMAQ lens reflecting, and the image that described display unit produces is through passing to eyes of user after IMAQ eyeglass;
Or
Described image acquisition units collection is through the image of the eyes of user of IMAQ eyeglass, and the image that described display unit produces passes to eyes of user after IMAQ lens reflecting.
6. eyes formula head-wearing display device according to claim 1 and 2, it is characterized in that, described image acquisition units comprises:
Two image acquisition devices, are respectively used to the image gathering user's left eye and right eye;
Or
An image acquisition device, for gathering the image of user's eyes.
7. an image pitch method of adjustment for eyes formula head-wearing display device, is characterized in that, comprising:
Two display units produce the test pattern watched for user's left eye and right eye respectively, and have a test badge in each test pattern, the spacing of two test badges increases gradually or reduces gradually; Meanwhile, image acquisition units gathers the image of user's eyes;
Interpupillary distance analytic unit obtains the critical moment of user's pupil of both eyes spacing change according to the image of described user's eyes, and determines the spacing of the image watched for user's left eye and right eye according to the spacing of described critical moment two test badge; Wherein, when two test badge spacing increase gradually, user's pupil of both eyes spacing increases gradually before critical moment, and keep stable from critical moment, when two test badge spacing reduce gradually, user's pupil of both eyes spacing keeps stable before critical moment, and reduces gradually from critical moment;
The spacing of the image that adjustment is watched for user's left eye and right eye.
8. the image pitch method of adjustment of eyes formula head-wearing display device according to claim 7, is characterized in that,
Two test badges lay respectively on the horizontal bisector of respective test pattern;
Distance between two test badges to user's eyes line mid point is equal.
9. the image pitch method of adjustment of the eyes formula head-wearing display device according to claim 7 or 8, is characterized in that, described adjustment comprises any one in following methods for the spacing of image of user's left eye and right eye viewing:
The angle of the reflecting optics of adjustment reflector element;
Adjust the position of the image that described display unit produces;
Adjust the position of described display unit.
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