CN103018907A - Display method and head-mounted display - Google Patents
Display method and head-mounted display Download PDFInfo
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- CN103018907A CN103018907A CN2012105554866A CN201210555486A CN103018907A CN 103018907 A CN103018907 A CN 103018907A CN 2012105554866 A CN2012105554866 A CN 2012105554866A CN 201210555486 A CN201210555486 A CN 201210555486A CN 103018907 A CN103018907 A CN 103018907A
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Abstract
The invention discloses a head-mounted display in the technical field of image devices. The head-mounted display comprises a display element, an optical element and a head fixing device, the optical element is used for amplifying the display element, the display element and the optical element are arranged on the head fixing device, the peripheral amplification factor of the optical element is larger than the central amplification factor of the optical element, and the display element is connected with an image processing module which is used for performing anti-distortion preprocessing for images to offset distortion of the optical element. The field range is extended by increasing the peripheral amplification factor of the optical element, and the lower amplification factor of the central area of the optical element is maintained to ensure that the central area has a high resolution ratio. Moreover, in order to correct the distortion due to the fact that the peripheral amplification factor of the optical element is larger than the central amplification factor of the optical element, the distortion of the optical element is offset after the image processing module is used for performing anti-distortion preprocessing for the images, and the images seen by eyes are normal. The invention further discloses a display method.
Description
Technical field
The present invention relates to the image documentation equipment technical field, relate in particular to a kind of head-mounted display.
Background technology
Head-mounted display (Head-Mounted Display, HMD) two important performance parameters are arranged: field range and display resolution (sharpness), existing product is difficult to accomplish simultaneously large field range and high display resolution, mainly be that existing product strives accomplishing that center display resolution and peripheral display resolution all will get well, to accomplish simultaneously that under this prerequisite large visual field is very difficult, because this total pixel and Optical System Design to display element is processed with very high requirement, and the high requirement to the graphics processing unit processing of total pixel is also very high.
Summary of the invention
The object of the present invention is to provide a kind of have large field range and the high-resolution head-mounted display of visual field, center tool.
The object of the present invention is to provide a kind of display packing, it has large field range and visual field, center tool high resolving power.
For achieving the above object, technical scheme of the present invention is for providing a kind of head-mounted display, comprise display element, be used for amplifying optical element and the head fixing device of described display element, described display element, optical element are arranged on the head fixing device, the peripheral enlargement ratio of described optical element is greater than the center enlargement ratio, and described display element is connected with the image processing module that the distortion of optical element is offset in to the image anti-pre-service that distorts; Enlarge field range by improving described optic periphery enlargement ratio, keep the low enlargement ratio in center of optical element zone and have higher resolution to guarantee the central area; And the distortion that causes because peripheral enlargement ratio is larger than center enlargement ratio for correcting optical element, by image processing module to the anti-pre-service that distorts of image after, offset the distortion of optical element, so that the image that eyes are seen is normal image.
Preferably, described head fixing device is provided with the position that can detect user's head or the head movement tracking module of movement tendency, and the head movement tracking module is connected with display element; Show corresponding image according to the head movement information display element, the user can see the image of larger visual field by moving-head, uses flexibly.
Preferably, described optical element is from the axle optical texture.
Preferably, described optical element has the semi-transflective reflective concave mirror.
Preferably, the described semi-transflective reflective concave mirror back side is provided with by changing voltage and regulates concave mirror to the liquid crystal light modulation layer of the transmitance of surround lighting.
Preferably, described optical element has the total reflection concave mirror.
Preferably, described head-mounted display is provided with the memory module that has virtual broadcast contextual data.
The present invention also provides a kind of display packing, may further comprise the steps:
A, with image to be shown first through anti-distortion pre-service;
B, will send with the form of light through the pretreated image of anti-distortion by display element;
C, light are through enlarged image behind the optical element;
Wherein, the peripheral enlargement ratio of optical element is greater than the center enlargement ratio.
Preferably: described optical element is from the axle optical texture, and described optical element has the semi-transflective reflective concave mirror, and the described semi-transflective reflective concave mirror back side is provided with by changing voltage and regulates concave mirror to the liquid crystal light modulation layer of the transmitance of surround lighting.
Preferably, described optical element is from the axle optical texture, and described optical element has the total reflection concave mirror.
Compared with prior art, the present invention includes display element, be used for amplifying optical element and the head fixing device of described display element, described display element, optical element are arranged on the head fixing device, the peripheral enlargement ratio of described optical element is greater than the center enlargement ratio, and described display element is connected with the image processing module that the distortion of optical element is offset in to the image anti-pre-service that distorts; Enlarge field range by improving described optic periphery enlargement ratio, keep the low enlargement ratio in center of optical element zone and have higher resolution to guarantee the central area; And the distortion that causes because peripheral enlargement ratio is larger than center enlargement ratio for correcting optical element, by image processing module to the anti-pre-service that distorts of image after, offset the distortion of optical element.Simultaneously, only logical image processing module is to the anti-pre-service that distorts of image, and by with the large multiplying power of periphery of optical element greater than the center enlargement ratio, again can be so that the central area has higher resolution when enlarging field range, satisfy on the one hand user's visual enjoyment, reduced on the other hand manufacture difficulty of the present invention.
Description of drawings
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is that optical element of the present invention is reflective structural representation.
Fig. 3 is that optical element of the present invention is the structural representation of refraction type.
Fig. 4 is that optical element of the present invention is catadioptric hybrid-type structural representation.
Fig. 5 is three kinds of form schematic diagram that optical element enlargement ratio of the present invention distributes.
Fig. 6 is structural representation of the present invention.
Fig. 7 is another visual angle structural representation of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing and preferred embodiment.
Please refer to shown in Fig. 1～7, be head-mounted display provided by the invention, comprise display element 1, be used for amplifying optical element 2 and the head fixing device 5 of described display element 1, described head fixing device 5 is used for head-mounted display is fixed on the suitable position of head, described display element 1, optical element 2 is arranged on the head fixing device 5, the peripheral enlargement ratio of described optical element 2 is greater than the center enlargement ratio, described display element 1 is connected with the image processing module 3 that the distortion of optical element 2 is offset in to the image anti-pre-service that distorts, described image processing module 3 is arranged on the head fixing device, certainly, described image processing module 3 also can be arranged on the described display element 1; Enlarge field range by improving described optical element 2 peripheral enlargement ratios, keep the low enlargement ratio in optical element 2 central areas and have higher resolution to guarantee the central area; And the distortion that causes because peripheral enlargement ratio is larger than center enlargement ratio for correcting optical element 2, after the anti-pre-service that distorts of 3 pairs of images of image processing module, offset the distortion of optical element 2, so that the image that eyes are seen is normal image 6.
Preferably, described head fixing device 5 is provided with the position that can detect user's head or the head movement tracking module 4 of movement tendency, and head movement tracking module 4 is connected with display element 1; Show corresponding image according to head movement information display element 1, the user can see the image of larger visual field by moving-head, uses flexibly.Described head movement tracking module 4 can be inertial sensor, electronic gyroscope or other motional induction sensor, utilize head movement tracking module 4 to make the display frame can be static with respect to external environment condition, the user can shift field range by moving-head, the user can watch the picture of very large visual field by moving-head, can realize watching film such as the IMAX film of high pixel with the display element 1 of low pixel by moving-head.
Preferably, described optical element 2 is from the axle optical texture.Preferably, described optical element 2 has the total reflection concave mirror, realizes that by the curvature of adjusting total reflection concave mirror center and periphery the peripheral enlargement ratio of optical element 2 is greater than the center enlargement ratio.Certainly, described optical element 2 also can have the semi-transflective reflective concave mirror, and preferably, the described semi-transflective reflective concave mirror back side is provided with by changing voltage and regulates concave mirror to the liquid crystal light modulation layer (not shown) of the transmitance of surround lighting.
The present invention realizes that the little concrete mode of optical element 2 peripheral enlargement ratios large center enlargement ratio has: for reflective optical system, realize by the curvature of adjusting catoptron center and periphery; For refractive optical system, realize by the surface curvature of adjusting lens; If catadioptric hybrid optical system, can by above dual mode or wherein any mode realize; Optical system of the present invention is not limited to above three kinds of modes, and any existing optical technology can realize and have the center enlargement ratio and all belong to protection scope of the present invention less than the optical system of peripheral this imaging features of enlargement ratio.
The present invention can be that monocular shows it also can is that binocular solid shows.
Preferably, the present invention is provided with the memory module (not shown), has virtual broadcast contextual data in the described memory module.This memory module that has virtual broadcast contextual data is connected 1 with display element.Be display element 1 is inputted film source except demonstration video content, also can show an additional virtual broadcast scene at the video content periphery of film source, this plays scene can be the scenes such as cinema or field, has a plurality of scene modes available; What this virtual broadcast scene can be shown as 2D also can be shown as 3D, can be static also can be dynamic; Utilize head movement tracking module 4, this virtual playing environment can be with the running transform visual angle of head.
The present invention also provides a kind of display packing, may further comprise the steps:
A, with image to be shown first through anti-distortion pre-service; B, will send with the form of light through the pretreated image of anti-distortion by display element 1; C, light are amplified into human eye through optical element 2 and form enlarged image; Wherein, the peripheral enlargement ratio of optical element 2 is greater than the center enlargement ratio.This method enlarges field range by improving described optical element 2 peripheral enlargement ratios, keeps the low enlargement ratio in optical element 2 central areas and has higher resolution to guarantee the central area; And the distortion that causes because peripheral enlargement ratio is larger than center enlargement ratio for correcting optical element 2, after the anti-pre-service that distorts of 3 pairs of images of image processing module, offset the distortion of optical element 2, so that the image that eyes are seen is normal image.
Preferably: described optical element 2 is from the axle optical texture, and described optical element 2 has the semi-transflective reflective concave mirror, and the described semi-transflective reflective concave mirror back side is provided with by changing voltage and regulates concave mirror to the liquid crystal light modulation layer of the transmitance of surround lighting.
Preferably, described optical element 2 is from the axle optical texture, and described optical element 2 has the total reflection concave mirror.Realize that by the curvature of adjusting total reflection concave mirror center and periphery the peripheral enlargement ratio of optical element 2 is greater than the center enlargement ratio.
Preferably, described display element 1 is connected with the memory module that has virtual broadcast contextual data.Display element 1 also can show an additional virtual playing environment at the video content periphery of film source except showing the video content of input film source, and this playing environment can be the scenes such as cinema or field, has a plurality of scene modes available; What this virtual playing environment can be shown as 2D also can be shown as 3D, can be static also can be dynamic; Utilize head movement tracking module 4, this virtual playing environment can be with the running transform visual angle of head.
Above disclosed only is the preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (10)
1. head-mounted display, comprise display element, be used for amplifying optical element and the head fixing device of described display element, described display element, optical element are arranged on the head fixing device, it is characterized in that: the peripheral enlargement ratio of described optical element is greater than the center enlargement ratio, and described display element is connected with the image processing module that the distortion of optical element is offset in to the image anti-pre-service that distorts.
2. head-mounted display as claimed in claim 1 is characterized in that: described head fixing device is provided with the position that can detect user's head or the head movement tracking module of movement tendency, and the head movement tracking module is connected with display element.
3. head-mounted display as claimed in claim 1 is characterized in that: described optical element is for from the axle optical texture.
4. such as the described head-mounted display of claim 1～3 any one, it is characterized in that: described optical element has the semi-transflective reflective concave mirror.
5. head-mounted display as claimed in claim 4 is characterized in that: the described semi-transflective reflective concave mirror back side is provided with by changing voltage and regulates concave mirror to the liquid crystal light modulation layer of the transmitance of surround lighting.
6. such as the described head-mounted display of claim 1～3 any one, it is characterized in that: described optical element has the total reflection concave mirror.
7. head-mounted display as claimed in claim 1, it is characterized in that: described head-mounted display is provided with the memory module that has virtual broadcast contextual data.
8. display packing as claimed in claim 1 is characterized in that, may further comprise the steps:
A, with image to be shown first through anti-distortion pre-service;
B, will send with the form of light through the pretreated image of anti-distortion by display element;
C, light form enlarged image through behind the optical element;
Wherein, the peripheral enlargement ratio of optical element is greater than the center enlargement ratio.
9. display packing as claimed in claim 8, it is characterized in that: described optical element is from the axle optical texture, described optical element has the semi-transflective reflective concave mirror, and the described semi-transflective reflective concave mirror back side is provided with by changing voltage and regulates concave mirror to the liquid crystal light modulation layer of the transmitance of surround lighting.
10. display packing as claimed in claim 8 is characterized in that: described optical element is for from the axle optical texture, and described optical element has the total reflection concave mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012105554866A CN103018907A (en) | 2012-12-19 | 2012-12-19 | Display method and head-mounted display |
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| CN2012105554866A CN103018907A (en) | 2012-12-19 | 2012-12-19 | Display method and head-mounted display |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499880A (en) * | 2013-10-23 | 2014-01-08 | 卫荣杰 | Head-mounted see through display |
| CN104020565A (en) * | 2014-06-19 | 2014-09-03 | 青岛歌尔声学科技有限公司 | Display system with optical lens and display screen and image display method thereof |
| CN104333744A (en) * | 2014-11-26 | 2015-02-04 | 中国航空工业集团公司洛阳电光设备研究所 | Head-up display monitoring system |
| WO2015058625A1 (en) * | 2013-10-23 | 2015-04-30 | 卫荣杰 | Head mounted perspective display device |
| WO2015188731A1 (en) * | 2014-06-09 | 2015-12-17 | 黄石 | Full-view image display apparatus |
| CN106444032A (en) * | 2016-10-18 | 2017-02-22 | 浙江舜通智能科技有限公司 | Head-mounted display device |
| CN108287678A (en) * | 2018-03-06 | 2018-07-17 | 京东方科技集团股份有限公司 | A kind of image processing method, device, equipment and medium based on virtual reality |
| CN108319016A (en) * | 2017-12-31 | 2018-07-24 | 深圳市虚拟现实科技有限公司 | Cambered surface augmented reality virtual reality display device and its method |
| CN110609379A (en) * | 2019-10-29 | 2019-12-24 | 长春理工大学 | Dual-channel common lens type optical system |
| US10768879B2 (en) | 2018-03-06 | 2020-09-08 | Beijing Boe Optoelectronics Technology Co., Ltd. | Image processing method and apparatus, virtual reality apparatus, and computer-program product |
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| CN108319016A (en) * | 2017-12-31 | 2018-07-24 | 深圳市虚拟现实科技有限公司 | Cambered surface augmented reality virtual reality display device and its method |
| CN108287678A (en) * | 2018-03-06 | 2018-07-17 | 京东方科技集团股份有限公司 | A kind of image processing method, device, equipment and medium based on virtual reality |
| US10768879B2 (en) | 2018-03-06 | 2020-09-08 | Beijing Boe Optoelectronics Technology Co., Ltd. | Image processing method and apparatus, virtual reality apparatus, and computer-program product |
| CN110609379A (en) * | 2019-10-29 | 2019-12-24 | 长春理工大学 | Dual-channel common lens type optical system |
| CN110609379B (en) * | 2019-10-29 | 2021-06-25 | 长春理工大学 | Dual-channel common lens type optical system |
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Application publication date: 20130403 |