CN114721146A - Optical display system and virtual reality equipment - Google Patents
Optical display system and virtual reality equipment Download PDFInfo
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- CN114721146A CN114721146A CN202210242535.4A CN202210242535A CN114721146A CN 114721146 A CN114721146 A CN 114721146A CN 202210242535 A CN202210242535 A CN 202210242535A CN 114721146 A CN114721146 A CN 114721146A
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- module
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- polarized light
- display module
- external display
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- 230000003287 optical effect Effects 0.000 title claims abstract description 81
- 230000010287 polarization Effects 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000003238 somatosensory effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/25—Output arrangements for video game devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B2027/0192—Supplementary details
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Signal Processing (AREA)
Abstract
The invention discloses an optical display system and virtual reality equipment, wherein the optical display system comprises an internal display module, an optical module and an external display module, and the external display module and the internal display module synchronously display; the optical module comprises an optical waveguide dielectric body, a first polarization reflecting layer and an optical structure layer; the optical waveguide dielectric body is used for transmitting light rays, and the light rays comprise first polarized light; the first polarization reflecting layer is used for reflecting the first polarized light and transmitting the second polarized light, and the polarization direction of the second polarized light is vertical to that of the first polarized light; the optical structure layer is used for converting first polarized light incident at a preset angle into second polarized light, reflecting the second polarized light to the first polarized reflecting layer, reflecting the first polarized light incident at other angles to the first polarized reflecting layer, so that the light emitting range is enlarged, the image display range is enlarged, and the external display module enables the external world to know the display content of the built-in display module, so that corresponding processing is performed, and the user somatosensory is improved.
Description
Technical Field
The invention relates to the technical field of optical display, in particular to an optical display system and virtual reality equipment.
Background
Virtual reality equipment includes the shell usually among the prior art, and the shell embeds there are display module assembly and optical module, for example virtual reality head-mounted apparatus, after wearing virtual reality equipment, the content that display module assembly shows, the external unable understanding leads to in case what problem appears, and the external unable timely processing that handles has reduced the recreation body and has felt.
Optical modules usually include an optical waveguide device, and most of the optical waveguide devices use the principle of total reflection to propagate light. Although the reflective film can be formed on the surface of the optical waveguide element, light rays which do not meet the total reflection condition can be continuously transmitted in the optical waveguide element through reflection of the reflective film, and the light rays are prevented from being emitted from the optical waveguide element to influence the display effect, the light rays in the optical waveguide element can be emitted only in an area without the reflective film to form a display image, and the emission range of the light rays is greatly limited.
Disclosure of Invention
Aiming at the defects, the technical problems to be solved by the invention are as follows: the utility model provides an optical display system and virtual reality equipment has increased the light-emitting scope of optical waveguide device, has increased the image display scope, and the setting of external display module assembly makes the external world learn the display content of built-in display module assembly simultaneously to carry out corresponding processing, feel with promoting the user.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an optical display system comprises an internal display module, an optical module and an external display module which is independently arranged, wherein the external display module and the internal display module synchronously display; the optical module comprises an optical waveguide dielectric body, a first polarization reflecting layer and an optical structure layer; the optical waveguide dielectric body comprises a first surface and a second surface which are opposite, the first polarization reflection layer is arranged on the first surface, and the optical structure layer is arranged on the second surface; the optical waveguide dielectric body is used for transmitting light rays, and the light rays comprise first polarized light; the first polarization reflection layer is used for reflecting the first polarized light and transmitting second polarized light, and the polarization direction of the second polarized light is vertical to that of the first polarized light; the optical structure layer is used for converting the first polarized light incident at a preset angle into the second polarized light, reflecting the second polarized light to the first polarized reflection layer, and reflecting the first polarized light incident at other angles to the first polarized reflection layer.
Preferably, the built-in display module comprises a left display screen and a right display screen, a left camera is arranged between the left display screen and the optical module, and a right camera is arranged between the right display screen and the optical module; and the left camera and the right camera are respectively electrically connected with the image processing module.
A virtual reality device comprises the optical display system.
The display device further comprises a shell and a main control module arranged in the shell, wherein the main control module is electrically connected with the built-in display module and the external display module respectively; the built-in display module and the optical module are arranged in the shell, and the external display module is arranged on the outer side of the shell.
Preferably, a first interface electrically connected with the main control module is arranged on the shell; the external display module comprises a shell, wherein an external display screen and a second interface are arranged on the shell in an embedded mode, the second interface is electrically connected with the external display screen, and the second interface is electrically connected with the first interface through a data line.
Preferably, a power supply module is arranged in the shell and electrically connected with the first interface; the external display module comprises a charging module, and the charging module is electrically connected with the second interface; and the first interface and the second interface both comprise charging terminals.
Preferably, a charging control component is arranged on the external display module, and the charging control component is electrically connected with the charging module.
Preferably, the charging module comprises a battery, a charging circuit and a switch circuit, the switch circuit is electrically connected with the second interface, and the battery is also electrically connected with the external display screen through a voltage conversion circuit.
The preferred mode does, external display module assembly with the shell can be dismantled and be connected.
The preferred mode is that the shell and the external display module are detachably connected through a clamping structure, and the clamping structure comprises a clamping groove formed in the outer side of the shell and a clamping block formed in the outer side of the external display module.
After the technical scheme is adopted, the invention has the beneficial effects that:
according to the optical display system and the virtual reality equipment, the optical display system comprises the built-in display module, the optical module and the independently arranged external display module, and the external display module and the built-in display module synchronously display; the optical module comprises an optical waveguide dielectric body, a first polarization reflecting layer and an optical structure layer; the optical waveguide dielectric body is used for transmitting light rays, and the light rays comprise first polarized light; the first polarization reflecting layer is used for reflecting the first polarized light and transmitting the second polarized light, and the polarization direction of the second polarized light is vertical to that of the first polarized light; the optical structure layer is used for converting the first polarized light incident at a preset angle into second polarized light, reflecting the second polarized light to the first polarized reflection layer, and reflecting the first polarized light incident at other angles to the first polarized reflection layer. Therefore, the optical display system of the invention increases the light emitting range of the optical waveguide device, increases the image display range, and simultaneously, the external display module is arranged, so that the external world can know the display content of the internal display module, and the corresponding processing is carried out, thereby improving the user feeling.
Drawings
FIG. 1 is a schematic diagram of a virtual display device according to the present invention;
FIG. 2 is a schematic structural diagram of an optical module according to an embodiment;
in the figure: the display module comprises a shell 1, a first interface 10, a card slot 11, an external display module 2, a shell 20, a card block 21, an optical module 3, an optical waveguide medium body 31, a first polarization reflecting layer 32 and an optical structure layer 33.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
As shown in fig. 1 and 2, an optical display system includes an internal display module and an optical module, and further includes an independently disposed external display module 2, where the external display module 2 and the internal display module perform synchronous display.
The optical module 3 includes an optical waveguide dielectric body 31, a first polarization reflective layer 32 and an optical structure layer 33; the optical waveguide dielectric body 31 includes opposing first and second surfaces, the first polarizing reflective layer 32 disposed on the first surface, and the optical structure layer 33 disposed on the second surface; the optical waveguide dielectric body 31 is used for transmitting light rays, and the light rays comprise first polarized light; the first polarization reflection layer 32 is used for reflecting the first polarized light and transmitting the second polarized light, and the polarization direction of the second polarized light is vertical to that of the first polarized light; the optical structure layer 33 is used for converting the first polarized light incident at a preset angle into second polarized light, reflecting the second polarized light to the first polarized reflection layer, and reflecting the first polarized light incident at other angles to the first polarized reflection layer, so that the emergent area of the second polarized light is no longer limited in the area without the reflection film layer, thereby increasing the light emergent range of the optical waveguide device and further increasing the image display range of the optical display system.
The built-in display module comprises a left display screen and a right display screen, a left camera is arranged between the left display screen and the optical module, and a right camera is arranged between the right display screen and the optical module; and the left camera and the right camera are respectively electrically connected with the image processing module. The image processing module can collect picture information shot by the left camera and the right camera, the positioning state of the virtual reality equipment can be obtained after the picture information is fed back, the image processing module is respectively electrically connected with the left display screen and the right display screen, and the virtual reality equipment can construct a virtual scene matched with a real video scene through the image processing module, the left display screen and the right display screen, the virtual scene is fused with the real scene, and a user can obtain good game experience.
The external display module can comprise an external display screen and a display driving circuit, the external display module in the embodiment passes through a data line and a main control module circuit, the main control module is a virtual reality device using the optical display system, the main control module is electrically connected with the image processing module, and the main control module synchronously transmits display contents to the internal display module and the external display module during working.
In summary, the optical display system of the present invention is provided with the internal display module and the external display module at the same time, so that the content displayed by the internal display module can be synchronously displayed on the external display module, and when the content displayed by the internal display module cannot be known from the outside, the content can be known by the external display module, so as to perform corresponding processing, thereby improving the user experience.
The second embodiment:
as shown in fig. 1, a virtual reality device includes the optical display system; the display device also comprises a shell 1 and a main control module arranged in the shell 1, wherein the main control module is respectively and electrically connected with the built-in display module and the external display module 2; set up built-in display module assembly and optical module in the shell 1, the outside of shell 1 sets up external display module assembly 2. The main control module is electrically connected to the internal display module and the external display module 2, which is the same as the first embodiment.
In this embodiment, the housing 1 is provided with a first interface 10 electrically connected with the main control module; the external display module 2 comprises a shell 20, an external display screen and a second interface are arranged on the shell 20 in an embedded mode, the second interface is electrically connected with the external display screen, and the second interface is electrically connected with the first interface 10 through a data line. The first interface 10 and the second interface may be USB interfaces, but are not limited to USB interfaces.
A power supply module is arranged in the shell 1 and is electrically connected with the first interface 10; the external display module 2 comprises a charging module which is electrically connected with the second interface; and the first interface 10 and the second interface each comprise a charging terminal. The utility model provides a preferred scheme is provided with the control part that charges on external display module assembly 2, and the control part that charges is connected with the module electricity that charges, and the control part that charges can be for establishing the button that charges on the casing. The charging module comprises a battery, a charging circuit and a switch circuit, the switch circuit is electrically connected with the second interface, and the battery is also electrically connected with the external display screen through a voltage conversion circuit. The charging key is electrically connected with the switch circuit, when the charging key is not pressed down, the switch circuit disconnects the charging end on the second interface from the charging circuit, and when the charging key is pressed down, the switch circuit connects the charging end on the second interface with the charging circuit, so that the battery charges the power supply module through the charging circuit, the charging end on the second interface and the charging end on the first interface 10; the switching circuit may be an analog switch. Certainly, when the external display module is not provided with the charging module, the external display module can be powered by the virtual reality equipment.
As shown in fig. 1, after the virtual reality device of this embodiment is used, the strap behind the housing 1 can be worn on the head, and the external display module 2 can be electrically connected to the main control module through the data line. The main control module synchronously transmits the display content to the external display module 2 and the internal display module, so that the external world knows the internal display and processes correspondingly. When the power supply module electric quantity of virtual reality equipment is not enough, the control part that charges on the external display module 2 of operatable makes the module that charges and establishes the charging connection with the power supply module to increase of service time. And the user body feeling is improved.
External display module assembly 2 can be dismantled with shell 1 and be connected, and an optimal scheme, shell 2 and external display module assembly 2 can be dismantled through block structure and be connected, and block structure is including establishing the draw-in groove 11 in the shell 1 outside, and establish the fixture block 21 in the external display module assembly 2 outside. Adopt the block structure to realize being connected convenient operation with dismantling of shell 1 external display module assembly 2. Of course, the detachable connection is not limited to the above.
The above-described preferred embodiments of the present invention are not intended to limit the present invention, and any modifications, equivalent optical display systems, and virtual reality device modifications, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. An optical display system comprises an internal display module and an optical module, and is characterized by further comprising an external display module which is independently arranged, wherein the external display module and the internal display module synchronously display;
the optical module comprises an optical waveguide dielectric body, a first polarization reflecting layer and an optical structure layer;
the optical waveguide dielectric body comprises a first surface and a second surface which are opposite, the first polarization reflection layer is arranged on the first surface, and the optical structure layer is arranged on the second surface; the optical waveguide dielectric body is used for transmitting light rays, and the light rays comprise first polarized light; the first polarization reflection layer is used for reflecting the first polarized light and transmitting second polarized light, and the polarization direction of the second polarized light is vertical to that of the first polarized light; the optical structure layer is used for converting the first polarized light incident at a preset angle into the second polarized light, reflecting the second polarized light to the first polarized reflection layer, and reflecting the first polarized light incident at other angles to the first polarized reflection layer.
2. The optical display system of claim 1, wherein the built-in display module comprises a left display screen and a right display screen, a left camera is disposed between the left display screen and the optical module, and a right camera is disposed between the right display screen and the optical module;
and the left camera and the right camera are respectively electrically connected with the image processing module.
3. A virtual reality device comprising the optical display system of claim 1 or 2.
4. The virtual reality device according to claim 3, further comprising a housing and a main control module disposed in the housing, wherein the main control module is electrically connected to the internal display module and the external display module, respectively;
the built-in display module and the optical module are arranged in the shell, and the external display module is arranged on the outer side of the shell.
5. The virtual reality device of claim 4, wherein a first interface electrically connected with the master control module is arranged on the housing;
the external display module comprises a shell, wherein an external display screen and a second interface are arranged on the shell in an embedded mode, the second interface is electrically connected with the external display screen, and the second interface is electrically connected with the first interface through a data line.
6. The virtual reality device of claim 5, wherein a power supply module is disposed in the housing, and the power supply module is electrically connected to the first interface;
the external display module comprises a charging module, and the charging module is electrically connected with the second interface;
and the first interface and the second interface both comprise charging terminals.
7. The virtual reality device of claim 6, wherein a charging control component is disposed on the external display module, and the charging control component is electrically connected to the charging module.
8. The virtual reality device of claim 6, wherein the charging module comprises a battery, a charging circuit, and a switching circuit, the switching circuit is electrically connected to the second interface, and the battery is further electrically connected to the external display screen through a voltage conversion circuit.
9. The virtual reality device of claim 4, wherein the external display module is detachably connected to the housing.
10. The virtual reality device of claim 7, wherein the housing and the external display module are detachably connected through a clamping structure, and the clamping structure comprises a clamping groove formed in the outer side of the housing and a clamping block formed in the outer side of the external display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210242535.4A CN114721146A (en) | 2022-03-11 | 2022-03-11 | Optical display system and virtual reality equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210242535.4A CN114721146A (en) | 2022-03-11 | 2022-03-11 | Optical display system and virtual reality equipment |
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| Publication Number | Publication Date |
|---|---|
| CN114721146A true CN114721146A (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210242535.4A Pending CN114721146A (en) | 2022-03-11 | 2022-03-11 | Optical display system and virtual reality equipment |
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| WO2022005457A1 (en) * | 2020-06-30 | 2022-01-06 | Google Llc | Freeform polarization lightguide |
| CN113985519A (en) * | 2021-12-24 | 2022-01-28 | 深圳铅笔视界科技有限公司 | Optical waveguide device, display device and display equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111638802A (en) * | 2014-09-02 | 2020-09-08 | 三星电子株式会社 | Method and device for providing virtual reality service |
| CN108604014A (en) * | 2016-02-05 | 2018-09-28 | 三星电子株式会社 | Portable image equipment with external display |
| US20180017820A1 (en) * | 2016-07-15 | 2018-01-18 | Zspace, Inc. | Pi-cell Polarization Switch for a Three Dimensional Display System |
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Application publication date: 20220708 |