CN211603731U - Virtual reality or augmented reality display system and wearable equipment - Google Patents
Virtual reality or augmented reality display system and wearable equipment Download PDFInfo
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- CN211603731U CN211603731U CN202020478678.1U CN202020478678U CN211603731U CN 211603731 U CN211603731 U CN 211603731U CN 202020478678 U CN202020478678 U CN 202020478678U CN 211603731 U CN211603731 U CN 211603731U
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- 230000003190 augmentative effect Effects 0.000 title claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims abstract description 52
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- 238000003709 image segmentation Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 9
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- 230000004438 eyesight Effects 0.000 abstract description 5
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- 230000001965 increasing effect Effects 0.000 description 3
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- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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- 230000003014 reinforcing effect Effects 0.000 description 2
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Abstract
The utility model relates to an image vision handles the field, discloses a virtual reality or augmented reality display system and wearable equipment. The virtual reality or augmented reality display system comprises an image segmentation module, an optical module, a correction module and at least two display modules, wherein the image segmentation module is used for splitting an image to be displayed into at least two image units in equal parts, the display modules are used for receiving the image units in a one-to-one correspondence mode, the optical module is used for receiving the image units on the display modules and splicing the image units into a target image, and the correction module is used for adjusting the position of the display modules so as to correct the target image. The wearable device comprises the virtual reality or augmented reality display system. The utility model discloses an optical module's concatenation is handled, has improved the pixel figure in the field of vision region, splices the image element of two at least small-sizes for large size target image, under the prerequisite of lower cost, has strengthened the fine and smooth degree of picture display effect.
Description
Technical Field
The utility model relates to an image vision handles the field, especially relates to a virtual reality or augmented reality display system and wearable equipment.
Background
With the popularity of computing devices in people's lives, the hardware volume of computing devices tends to be miniaturized in view of their portability. In particular, in the field of image vision processing, wearable devices such as glasses or helmets are preferred by users. In order to improve the user experience with virtual images and real images, wearable devices are equipped with Augmented Reality (AR) technology. The AR technology is a new technology for fusing real world information and virtual information, and is characterized in that the virtual information is applied to a real environment, and a real object and the virtual information in the real environment can be fused into the same picture or space, so that the sensory experience beyond reality is achieved. To improve the visual effect, increasingly higher requirements are placed on the resolution of the display device. The resolution of the display device can be generally increased by increasing the number of Pixels Per Inch (Pixels Per inc., PPI for short) in the pixel structure.
Currently, high PPI display devices mainly include the following two types: according to the enhanced high PPI display device, white pixels or yellow pixels are added at the display positions of the original RGB three pixels, and the number of sub-pixels is increased, so that high PPI display signals can be compatible, the visual effect is enhanced, but the picture effect is still not fine and smooth due to the limitation of the existing process; the native high PPI display device uses a 4K high-definition chip to match with a high-quality light source, and has fine pictures, but the chip product is expensive and high in cost, and is not beneficial to popularization and application.
SUMMERY OF THE UTILITY MODEL
Based on the above problem, an object of the utility model is to provide a virtual reality or augmented reality display system, under the prerequisite of lower cost, the fine and smooth degree of reinforcing picture display effect.
Based on above problem, the utility model also aims at providing a wearable equipment, under the prerequisite of lower cost, the fine and smooth degree of reinforcing picture display effect.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a virtual reality or augmented reality display system, comprising:
the image segmentation module is used for equally splitting an image to be displayed into at least two image units;
at least two display modules for receiving the image units in a one-to-one correspondence;
the optical module is used for receiving the image units on the display module and splicing the image units into a target image;
and the correction module is used for adjusting the position of the display module so as to correct the target image.
As the utility model discloses a virtual reality or augmented reality display system's preferred scheme, optical module includes optical waveguide, incident holographic grating and emergent holographic grating, the last image unit of display module input extremely the optical waveguide, the warp the reflection of incident holographic grating back propagate in the optical waveguide, and by emergent holographic grating output.
As the utility model discloses a virtual reality or augmented reality display system's preferred scheme, optical module still includes collimating lens, the image element passes through form the parallel light entering behind the collimating lens the optical waveguide.
As the utility model discloses a virtual reality or augmented reality display system's preferred scheme, optical module still includes the optics and enlarges the module, be used for enlargeing the output of emergent holographic grating the target image.
As the utility model discloses a virtual reality or augmented reality display system's preferred scheme, correction module includes the guide, display module slide set up in on the guide.
As the utility model discloses a virtual reality or augmented reality display system's preferred scheme, the guide is made for transparent material, be provided with the scale mark on the guide.
As the utility model discloses a virtual reality or augmented reality display system's preferred scheme, correction module still includes the knob, the knob is used for control display module is in position on the guide, the bottom of guide is provided with the hob, the knob pass through gear structure with the hob transmission is connected, the hob with the display module transmission is connected.
As the utility model discloses a virtual reality or augmented reality display system's preferred scheme, every display module's resolution ratio is for waiting to show the 1/n of the resolution ratio of image, and n is display module's quantity.
As the utility model discloses a virtual reality or augmented reality display system's preferred scheme, virtual reality or augmented reality display system still includes image processing module, be used for with image element carry to display module.
A wearable device comprising a virtual reality or augmented reality display system as described above, further comprising a tension-adjustable strap.
The utility model has the advantages that:
the utility model provides a virtual reality or augmented reality display system and wearable equipment, it is at least two image unit to treat the split of display image equal parts through the image segmentation module, receive image unit through display module one-to-one, receive image unit on the display module through optical module, and the concatenation is target image, adjust display module's position through correction module, with correction target image, processing and optics concatenation through optical module, the pixel figure in the field of vision region has been improved, splice two at least small-size image unit into large-size target image, under the prerequisite of lower cost, the fine and smooth degree of picture display effect has been strengthened. On the other hand, show on the display module of difference through the image cutting, can avoid single display module volume great and make the whole bigger accommodation space of equipment place display module, through the utility model discloses the distributing type sets up a plurality of small-size display module, realizes the demonstration of complete image, can reduce the size of equipment, makes optical structure's design more nimble.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic diagram of a virtual reality or augmented reality display system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a wearable device according to an embodiment of the present invention;
fig. 3 is a schematic layout diagram of a display module and a guide in a wearable device according to an embodiment of the present invention.
In the figure:
1-a display module; 2-an optical waveguide; 3-incidence holographic grating; 4-emitting the holographic grating; 5-an optical amplification module; 6-a guide; 7-a knob; 8-binding band.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present embodiment provides a virtual reality or augmented reality display system, as shown in fig. 1, which includes an image segmentation module, an optical module, a correction module, and at least two display modules 1. It should be noted that the virtual reality or augmented reality display system shown in fig. 1 is illustrated in a single-eye viewing situation.
The image segmentation module is used for equally splitting an image to be displayed into at least two image units, the display module 1 is used for receiving the image units in a one-to-one correspondence manner, the optical module is used for receiving the image units on the display module 1 and splicing the image units into a target image, and the correction module is used for adjusting the position of the display module 1 so as to correct the target image. In order to ensure the reality of the picture, optionally, the resolution of each display module 1 is 1/n of the resolution of the image to be displayed, and n is the number of the display modules 1.
The image display method comprises the steps of splitting an image to be displayed into at least two image units in equal parts through an image splitting module, receiving the image units through a display module 1 in a one-to-one correspondence mode, receiving the image units on the display module 1 through an optical module, splicing the image units into target images, adjusting the position of the display module 1 through a correction module to correct the target images, improving the number of pixels in a visual field area through processing and optical splicing of the optical module, splicing at least two small-sized image units into large-sized target images, and enhancing the fineness of a picture display effect on the premise of low cost. On the other hand, show on different display module 1 through the image cutting, can avoid single display module 1 volume great and make the whole accommodation space that needs of equipment place display module 1, through the utility model discloses the distributing type sets up a plurality of small-size display module 1, realizes the demonstration of complete image, can reduce the size of equipment, makes optical structure's design more nimble.
Optionally, the virtual reality or augmented reality display system further comprises an image processing module for delivering the image units to the display module 1. The image to be displayed is equally divided into at least two image units by the image dividing module, and each image unit is processed by the corresponding image processing module and then transmitted to the corresponding display module 1.
Optionally, the optical module includes an optical waveguide 2, an incident holographic grating 3 and an exit holographic grating 4, and the image unit on the display module 1 is input to the optical waveguide 2, reflected by the incident holographic grating 3, propagated in the optical waveguide 2, and output by the exit holographic grating 4. The image unit of the display module 1 enters the optical waveguide 2 to reach the incident holographic grating 3, the image unit in a parallel light state changes the propagation direction through the diffraction effect of the incident holographic grating 3, so that the image unit meets the total reflection condition and propagates along the waveguide direction of the optical waveguide 2 to reach the emergent holographic grating 4, and the image unit propagating along the waveguide direction of the optical waveguide 2 is changed into a parallel light form through the diffraction effect of the emergent holographic grating 4 and is output from the emergent holographic grating 4.
Optionally, the optical module further includes a collimating lens, and the image unit forms parallel light to enter the optical waveguide 2 after passing through the collimating lens. The image unit of the display module 1 forms parallel light after passing through the collimating lens, and the parallel light enters the optical waveguide 2 and reaches the incident holographic grating 3. Optionally, the optical module further comprises an optical magnification module 5 for magnifying the target image output by the exit holographic grating 4. The image unit is output from the optical waveguide 2 via the emission hologram grating 4 and then amplified by the optical amplification module 5.
To facilitate the adjustment of the position of the display module 1 by the correction module, optionally, the correction module comprises a guide 6, and the display module 1 is slidably disposed on the guide 6. In this embodiment, the guide 6 may be a guide groove structure in which the display module 1 is snapped and can slide. In order to facilitate the adjustment of the position of the display module 1 on the guide member 6, optionally, the guide member 6 is made of a transparent material, and the guide member 6 is provided with scale marks. The graduation marks may be in units of μm to facilitate fine adjustment of the position of the display module 1 on the guide 6. For the convenience of manual adjustment of a user, optionally, the correction module further comprises a knob 7, the knob 7 is used for controlling the position of the display module 1 on the guide member 6, a screw rod is arranged at the bottom of the guide member 6, the knob 7 is in transmission connection with the screw rod through a gear structure, and the screw rod is in transmission connection with the display module 1.
The virtual reality or augmented reality display system provided by this embodiment takes two display modules 1 as an example, and the principle is roughly as follows: an image to be displayed is equally split into two image units through an image splitting module, each image unit is processed through a corresponding image processing module and then transmitted to a corresponding display module 1, the image units of the display module 1 form parallel light after passing through a collimating lens, the parallel light enters an optical waveguide 2 and reaches an incident holographic grating 3, the image units in the parallel light state change the propagation direction through the diffraction effect of the incident holographic grating 3, so that the total reflection condition is met, the parallel light propagates along the waveguide direction of the optical waveguide 2 and reaches an emergent holographic grating 4, the image units propagating along the waveguide direction of the optical waveguide 2 are changed into parallel light through the diffraction effect of the emergent holographic grating 4 and are output from the emergent holographic grating 4, the two image units are respectively amplified through an optical amplifying module 5 after the propagation process, and the position of the display module 1 on a guide piece 6 is adjusted, and adjusting the relative positions output by the two image units, and splicing the two image units into a target image.
The virtual reality or augmented reality display system provided by this embodiment improves the number of pixels in the visual field area through the processing and optical splicing of the optical module, splices at least two small-sized image units into a large-sized target image, and enhances the fineness of the image display effect on the premise of lower cost. On the other hand, show on different display module 1 through the image cutting, can avoid single display module 1 great and make the whole bigger accommodation space of equipment place display module, through the utility model discloses the distributing type sets up a plurality of small-size display module 1, realizes the demonstration of complete image, can realize that the equipment size reduces, makes optical structure's design more nimble.
The embodiment provides a wearable device, as shown in fig. 2 and fig. 3, the wearable device includes the above virtual reality or augmented reality display system, and further includes a tension-adjustable strap 8 for adjusting the interpupillary distance of human eyes, so as to improve comfort. In the present embodiment, as shown in fig. 3, two display modules 1 and one guide 6 are disposed corresponding to each eye, each display module 1 is correspondingly disposed with one knob 7 to adjust the position of the display module 1 on the guide 6, and the fusion effect of the displayed images is assisted by adjusting the position of the display module 1.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A virtual reality or augmented reality display system, comprising:
the image segmentation module is used for equally splitting an image to be displayed into at least two image units;
at least two display modules (1) for receiving the image units in a one-to-one correspondence;
the optical module is used for receiving the image units on the display module (1) and splicing the image units into a target image;
and the correction module is used for adjusting the position of the display module (1) so as to correct the target image.
2. The virtual reality or augmented reality display system of claim 1, wherein the optical module comprises an optical waveguide (2), an incident holographic grating (3) and an exit holographic grating (4), and the image elements on the display module (1) are input to the optical waveguide (2), reflected by the incident holographic grating (3), propagate in the optical waveguide (2), and output by the exit holographic grating (4).
3. The virtual reality or augmented reality display system of claim 2, wherein the optical module further comprises a collimating lens through which the image unit passes to form parallel light into the optical waveguide (2).
4. The virtual reality or augmented reality display system of claim 2, wherein the optical module further comprises an optical magnification module (5) for magnifying the target image output by the exit holographic grating (4).
5. The virtual reality or augmented reality display system of claim 1, wherein the correction module comprises a guide (6), the display module (1) being slidably disposed on the guide (6).
6. The virtual reality or augmented reality display system of claim 5, wherein the guide (6) is made of a transparent material, and the guide (6) is provided with scale marks.
7. The virtual reality or augmented reality display system of claim 6, wherein the correction module further comprises a knob (7), the knob (7) is used for controlling the position of the display module (1) on the guide (6), a screw rod is arranged at the bottom of the guide (6), the knob (7) is in transmission connection with the screw rod through a gear structure, and the screw rod is in transmission connection with the display module (1).
8. The virtual reality or augmented reality display system of any one of claims 1-3, wherein the resolution of each display module (1) is 1/n of the resolution of the image to be displayed, and n is the number of display modules (1).
9. The virtual reality or augmented reality display system of claim 1, further comprising an image processing module for delivering the image unit to the display module (1).
10. A wearable device comprising the virtual reality or augmented reality display system of any one of claims 1-9, further comprising a tension-adjustable strap (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020478678.1U CN211603731U (en) | 2020-04-03 | 2020-04-03 | Virtual reality or augmented reality display system and wearable equipment |
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| CN202020478678.1U CN211603731U (en) | 2020-04-03 | 2020-04-03 | Virtual reality or augmented reality display system and wearable equipment |
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| CN211603731U true CN211603731U (en) | 2020-09-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113050281A (en) * | 2021-02-28 | 2021-06-29 | 南昌三极光电有限公司 | Optical system and mixed reality equipment |
| CN113409218A (en) * | 2021-06-25 | 2021-09-17 | 杭州海康消防科技有限公司 | Wearable protective tool and scene presenting method for wearable protective tool |
-
2020
- 2020-04-03 CN CN202020478678.1U patent/CN211603731U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113050281A (en) * | 2021-02-28 | 2021-06-29 | 南昌三极光电有限公司 | Optical system and mixed reality equipment |
| US12111470B2 (en) | 2021-02-28 | 2024-10-08 | Nanchang Tripole Optoelectronics CO., Ltd. | Optical system and mixed reality device |
| CN113409218A (en) * | 2021-06-25 | 2021-09-17 | 杭州海康消防科技有限公司 | Wearable protective tool and scene presenting method for wearable protective tool |
| CN113409218B (en) * | 2021-06-25 | 2023-02-28 | 杭州海康消防科技有限公司 | Wearable protective tool and scene presenting method for wearable protective tool |
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