CN208902979U - A kind of flight VR glasses and its optical imaging system - Google Patents
A kind of flight VR glasses and its optical imaging system Download PDFInfo
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- CN208902979U CN208902979U CN201821382080.1U CN201821382080U CN208902979U CN 208902979 U CN208902979 U CN 208902979U CN 201821382080 U CN201821382080 U CN 201821382080U CN 208902979 U CN208902979 U CN 208902979U
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Abstract
The utility model is suitable for air vehicle technique field, provide a kind of flight VR glasses and its optical imaging system, including backlight, polarizing film, polarization beam apparatus, display chip, quarter wave plate and reflecting mirror, alternatively, self-luminous display chip, polarization beam apparatus, quarter wave plate and reflecting mirror.The utility model embodiment is by providing one kind by backlight, polarizing film, polarization beam apparatus, display chip, quarter wave plate and reflecting mirror, or, the optical imaging system for the flight VR glasses being made of self-luminous display chip, polarization beam apparatus, quarter wave plate and reflecting mirror, structure is simple, be easy to be assembled, light path calibration and debugging, and compact, light-weight.
Description
Technical field
The utility model belong to air vehicle technique field more particularly to a kind of flight VR (Virtual Reality, virtually
Reality) glasses and its optical imaging system.
Background technique
With the continuous development of science and technology, various types of unmanned planes are constantly universal, for example, plant protection drone, taking photo by plane
Unmanned plane, rescue unmanned plane, delivery unmanned plane etc. bring great convenience for people's production and life life.It is mating with unmanned plane
Flight VR glasses, can receive and play the audio data of the video data and acquisition that shoot during unmanned plane during flying, make
User can obtain the visual angle of unmanned plane, seemingly stay in unmanned plane, bring good flight experience for user.
However, the optical imaging system of existing flight VR glasses structure is complicated, be difficult to be assembled, light path calibration and
Debugging, and volume is big, weight is high.
Utility model content
In view of this, the utility model embodiment provides a kind of flight VR glasses and its optical imaging system, to solve
Structure is complicated for the optical imaging system of existing flight VR glasses, is difficult to carry out light path calibration and debugging, and volume is big, weight
High problem.
The first aspect of the utility model embodiment provides a kind of optical imaging system of flight VR glasses comprising back
Light source, polarizing film, polarization beam apparatus, display chip, quarter wave plate and reflecting mirror；
The polarizing film is set to the light emission side of the backlight, and the polarization beam apparatus is set to going out for the polarizing film
First light splitting surface of light side, the polarization beam apparatus is arranged towards the light emission side of the polarizing film and the display chip, described
Second light splitting surface of polarization beam apparatus is arranged towards the light emission side of the quarter wave plate and the optical imaging system, the reflection
The reflecting surface of mirror is arranged towards the quarter wave plate；
The backlight emits optical signal to the polarizing film, and the P light in the optical signal is filtered out by the polarizing film, institute
State the first light splitting surface that the S light in optical signal is incident to the polarization beam apparatus through the polarizing film, the S in the optical signal
Light reflexes to the display chip by the first light splitting surface of the polarization beam apparatus, and the S light in the optical signal is by the display
Chip is modulated to carry the P light of picture signal and reflexes to the Transflective face of the polarization beam apparatus, described to carry figure
As the P light of signal is transmitted through the quarter wave plate by the first light splitting surface of the polarization beam apparatus, the picture signal that carries
P light is modulated to elliptically polarized light by the quarter wave plate and is incident to the reflecting surface of the reflecting mirror, and the elliptically polarized light is by institute
The reflective surface of reflecting mirror is stated to the quarter wave plate, the elliptically polarized light is modulated to linearly polarized light simultaneously by the quarter wave plate
It is incident to the second light splitting surface of the polarization beam apparatus, the S light in the linearly polarized light is by second point of the polarization beam apparatus
Smooth surface reflection is simultaneously emitted via the light emission side of the optical imaging system.
In one embodiment, the polarization beam apparatus is polarization beam splitter or polarization beam splitter prism.
In one embodiment, the reflecting mirror is non-spherical reflector.
In one embodiment, the display chip is liquid crystal on silicon chip.
In one embodiment, the optical imaging system of the flight VR glasses further includes light transmission screening glass；
The light transmission screening glass is set to the light emission side of the optical imaging system.
The utility model embodiment second aspect provides a kind of optical imaging system of flight VR glasses comprising self-luminous
Display chip, polarization beam apparatus, quarter wave plate and reflecting mirror；
The light emission side of first light splitting surface of the polarization beam apparatus towards the self-luminous display chip is arranged, the polarization
Second light splitting surface of beam splitter is arranged towards the light emission side of the quarter wave plate and the optical imaging system, the reflecting mirror
Reflecting surface is arranged towards the quarter wave plate；
Self-luminous display chip transmitting carries the optical signal of picture signal to first point of the polarization beam apparatus
Smooth surface, the P light in the optical signal for carrying picture signal are transmitted through described by the first light splitting surface of the polarization beam apparatus
Quarter wave plate, the P light for carrying picture signal are modulated to elliptically polarized light by the quarter wave plate and are incident to the reflection
The reflecting surface of mirror, the elliptically polarized light is by the reflective surface of the reflecting mirror to the quarter wave plate, the elliptically polarized light
Linearly polarized light is modulated to by the quarter wave plate and is incident to the second light splitting surface of the polarization beam apparatus, in the linearly polarized light
S light by the polarization beam apparatus the second light splitting surface reflection and via the light emission side of the optical imaging system be emitted.
In one embodiment, the polarization beam apparatus is polarization beam splitter or polarization beam splitter prism.
In one embodiment, the reflecting mirror is non-spherical reflector.
In one embodiment, the optical imaging system of the flight VR glasses further includes light transmission screening glass；
The light transmission screening glass is set to the light emission side of the optical imaging system.
The third aspect of the utility model embodiment provides a kind of flight VR glasses comprising above-mentioned optical imagery system
System.
The utility model embodiment is by providing one kind by backlight, polarizing film, polarization beam apparatus, display chip, 1/4 wave
Piece and reflecting mirror, alternatively, the flight VR glasses being made of self-luminous display chip, polarization beam apparatus, quarter wave plate and reflecting mirror
Optical imaging system, structure is simple, be easy to be assembled, light path calibration and debugging, and compact, light-weight.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 and 2 is the structural schematic diagram of the optical imaging system for the flight VR glasses that the utility model embodiment one provides；
Fig. 3 and 4 is the structural schematic diagram of the optical imaging system for the flight VR glasses that the utility model embodiment two provides.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the embodiment of the utility model is explicitly described, it is clear that described embodiment
It is the embodiment of the utility model a part, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work all should belong to practical
Novel protected range.
The specification and claims of the utility model and term " includes " and their any changes in above-mentioned attached drawing
Shape, it is intended that cover and non-exclusive include.Such as process, method comprising a series of steps or units or system, product or
Equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit or optional
Ground further includes the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " the
Two " and " third " etc. are for distinguishing different objects, not for description particular order.
Embodiment one
As shown in Figure 1, the present embodiment provides a kind of optical imaging systems of flight VR glasses comprising backlight 1, polarization
Piece 2, polarization beam apparatus (polarization beam splitter, PBS) 3, display chip 4, quarter wave plate 5 and reflecting mirror 6.
As shown in Figure 1, in the present embodiment, the relative positional relationship in optical imaging system between each device is as follows:
Polarizing film 2 is set to the light emission side of backlight 1, and polarization beam apparatus 3 is set to the light emission side of polarizing film 2, polarization point
The light emission side and display chip 4 of first light splitting surface of beam device 3 towards polarizing film 2 are arranged, the second light splitting surface court of polarization beam apparatus 3
It is arranged to the light emission side of quarter wave plate 5 and optical imaging system, the reflecting surface of reflecting mirror 6 is arranged towards quarter wave plate 5.
The working principle of optical imaging system provided in this embodiment is as follows:
Backlight emits optical signal to polarizing film, and the P light in optical signal is filtered out by polarizing film, and the S light in optical signal penetrates
Polarizing film is incident to the first light splitting surface of polarization beam apparatus, and the S light in optical signal is reflected by the first light splitting surface of polarization beam apparatus
To display chip, the S light in optical signal is shown chip and is modulated to carry the P light of picture signal and reflexes to polarization beam apparatus
Transflective face, the P light for carrying picture signal is transmitted through quarter wave plate by the first light splitting surface of polarization beam apparatus, carries
The P light of picture signal is modulated to elliptically polarized light by quarter wave plate and is incident to the reflecting surface of reflecting mirror, and elliptically polarized light is reflected
The reflective surface of mirror to quarter wave plate, elliptically polarized light is modulated to linearly polarized light by quarter wave plate and is incident to polarization beam apparatus
Second light splitting surface, the S light in linearly polarized light is by the second light splitting surface reflection of polarization beam apparatus and going out via optical imaging system
The outgoing of light side.
In a particular application, backlight can select any suitable small-sized backlight in flight VR glasses according to actual needs
Source, the shape of backlight can be set according to actual needs as point light source, area source or linear light source, according to the difference of principle of luminosity
Backlight can select that LED (light emitting diode), CCFL (cold cathode fluorescent tube), (hot cathode is glimmering by HCFL according to actual needs
Light pipe), VFD (flat fluorescent lamp), EL (EL sheet), OLED (organic electroluminescent piece), the structures such as FED (flat field emission)
At.
In the present embodiment, polarizing film is specially that can pass through S light (perpendicular to the light of plane where polarizing film) and filter out P light
The polarizing film of (light of plane where being parallel to polarizing film).
In one embodiment, the polarization beam apparatus is polarization beam splitter or polarization beam splitter prism.
In a particular application, polarization beam apparatus can select according to actual needs plane (i.e. polarization beam splitter) or cube
Figure (i.e. polarization beam splitter prism) structure.The volume of optical imaging system can be effectively reduced when selecting planarized structure.
In one embodiment, the reflecting mirror is non-spherical reflector.
In one embodiment, the display chip is liquid crystal on silicon (Liquid Crystal on Silicon, LCOS)
Chip.
As shown in Fig. 2, in the present embodiment, optical imaging system further includes light transmission screening glass 7；
Light transmission screening glass 7 is set to the light emission side of optical imaging system.
In a particular application, light transmission screening glass can select the protection made of arbitrary translucent material according to actual needs
Piece, for example, resin screening glass, acrylic screening glass, plastics screening glass, glass protection piece etc..
In a particular application, display chip can be set above or below reflecting mirror, as long as guaranteeing that self-luminous is shown
Chip is located at the side where the reflecting surface of reflecting mirror.
The present embodiment is by providing one kind by backlight, polarizing film, polarization beam apparatus, display chip, quarter wave plate and reflection
The optical imaging system for the flight VR glasses that mirror is constituted, structure is simple, be easy to be assembled, light path calibration and debugging, and volume
It is small and exquisite, light-weight.
Embodiment two
As shown in figure 3, the present embodiment provides a kind of optical imaging systems of flight VR glasses comprising self-luminous shows core
Piece 10, polarization beam apparatus 20, quarter wave plate 30 and reflecting mirror 40.
As shown in Figure 1, in the present embodiment, the relative positional relationship in optical imaging system between each device is as follows:
The light emission side of first light splitting surface of polarization beam apparatus 20 towards self-luminous display chip 10 is arranged, polarization beam apparatus 20
The second light splitting surface be arranged towards the light emission side of quarter wave plate 30 and optical imaging system, the reflecting surface of reflecting mirror 40 is towards 1/4 wave
Piece 30 is arranged.
The working principle of optical imaging system provided in this embodiment is as follows:
The transmitting of self-luminous display chip carries the optical signal of picture signal to the first light splitting surface of polarization beam apparatus, carries
There is the P light in the optical signal of picture signal to be transmitted through quarter wave plate by the first light splitting surface of polarization beam apparatus, carries picture signal
P light elliptically polarized light is modulated to by quarter wave plate and is incident to the reflecting surface of reflecting mirror, elliptically polarized light is by the reflection of reflecting mirror
Face reflexes to quarter wave plate, and elliptically polarized light is modulated to linearly polarized light by quarter wave plate and is incident to the second light splitting of polarization beam apparatus
Face, the S light in linearly polarized light are emitted by the second light splitting surface reflection of polarization beam apparatus and via the light emission side of optical imaging system.
In a particular application, self-luminous display chip can specifically be selected based on OLED (Organic
Electroluminesence Display, Organic Electricity laser display) technology Organic Electricity laser display chip or be based on QLED
The light emitting diode with quantum dots of (Quantum Dot Light Emitting Diodes, light emitting diode with quantum dots) technology is aobvious
Show chip, which can specifically pass through liquid crystal on silicon (Liquid Crystal on Silicon, LCOS) skill
Art is realized.
In one embodiment, the polarization beam apparatus is polarization beam splitter or polarization beam splitter prism.
In a particular application, polarization beam apparatus can select according to actual needs plane (i.e. polarization beam splitter) or cube
Figure (i.e. polarization beam splitter prism) structure.The volume of optical imaging system can be effectively reduced when selecting planarized structure.
In one embodiment, the reflecting mirror is non-spherical reflector.
As shown in figure 4, in the present embodiment, optical imaging system further includes light transmission screening glass 50；
Light transmission screening glass 50 is set to the light emission side of optical imaging system.
In a particular application, light transmission screening glass can select the protection made of arbitrary translucent material according to actual needs
Piece, for example, resin screening glass, acrylic screening glass, plastics screening glass, glass protection piece etc..
The utility model embodiment is by providing one kind by self-luminous display chip, polarization beam apparatus, quarter wave plate and reflection
The optical imaging system for the flight VR glasses that mirror is constituted, structure is simple, be easy to be assembled, light path calibration and debugging, and volume
It is small and exquisite, light-weight.
In a particular application, self-luminous display chip can be set above or below reflecting mirror, as long as guaranteeing spontaneous
Light display chip is located at the side where the reflecting surface of reflecting mirror.
It should be understood that embodiment one and the identical device of title in embodiment two are that working principle is identical.
One embodiment of the utility model also provides a kind of flight VR glasses comprising two institute of embodiment one or embodiment
The optical imaging system stated.
In a particular application, flight VR glasses can be set according to actual needs as any structure and shape easy to wear
Shape.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to before
Embodiment is stated the utility model is described in detail, those skilled in the art should understand that: it still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
And range, it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of optical imaging system of flight VR glasses, which is characterized in that including backlight, polarizing film, polarization beam apparatus, show
Show chip, quarter wave plate and reflecting mirror；
The polarizing film is set to the light emission side of the backlight, and the polarization beam apparatus is set to the light out of the polarizing film
First light splitting surface of side, the polarization beam apparatus is arranged towards the light emission side of the polarizing film and the display chip, described inclined
Second light splitting surface of vibration beam splitter is arranged towards the light emission side of the quarter wave plate and the optical imaging system, the reflecting mirror
Reflecting surface be arranged towards the quarter wave plate；
The backlight emits optical signal to the polarizing film, and the P light in the optical signal is filtered out by the polarizing film, the light
S light in signal is incident to the first light splitting surface of the polarization beam apparatus, the S light quilt in the optical signal through the polarizing film
First light splitting surface of the polarization beam apparatus reflexes to the display chip, and the S light in the optical signal is by the display chip
It is modulated to carry the P light of picture signal and reflexes to the Transflective face of the polarization beam apparatus, it is described to carry image letter
Number P light the quarter wave plate, the P light for carrying picture signal are transmitted through by the first light splitting surface of the polarization beam apparatus
Elliptically polarized light is modulated to by the quarter wave plate and is incident to the reflecting surface of the reflecting mirror, the elliptically polarized light is described
To the quarter wave plate, the elliptically polarized light is modulated to linearly polarized light by the quarter wave plate and is incorporated to the reflective surface of reflecting mirror
It is incident upon the second light splitting surface of the polarization beam apparatus, the S light in the linearly polarized light is by the second light splitting of the polarization beam apparatus
Face reflection is simultaneously emitted via the light emission side of the optical imaging system.
2. the optical imaging system of flight VR glasses as described in claim 1, which is characterized in that the polarization beam apparatus is inclined
Shake beam splitting chip or polarization beam splitter prism.
3. the optical imaging system of flight VR glasses as described in claim 1, which is characterized in that the reflecting mirror is aspherical
Reflecting mirror.
4. the optical imaging system of flight VR glasses as described in claim 1, which is characterized in that the display chip is silicon substrate
Liquid crystal chip.
5. such as the optical imaging system of the described in any item flight VR glasses of Claims 1 to 4, which is characterized in that further include
Light screening glass；
The light transmission screening glass is set to the light emission side of the optical imaging system.
6. a kind of optical imaging system of flight VR glasses, which is characterized in that including self-luminous display chip, polarization beam apparatus,
Quarter wave plate and reflecting mirror；
The light emission side of first light splitting surface of the polarization beam apparatus towards the self-luminous display chip is arranged, the polarization beam splitting
Second light splitting surface of device is arranged towards the light emission side of the quarter wave plate and the optical imaging system, the reflection of the reflecting mirror
It is arranged facing towards the quarter wave plate；
Self-luminous display chip transmitting carries the optical signal of picture signal to the first light splitting surface of the polarization beam apparatus,
P light in the optical signal for carrying picture signal is transmitted through 1/4 wave by the first light splitting surface of the polarization beam apparatus
Piece, the P light for carrying picture signal are modulated to elliptically polarized light by the quarter wave plate and are incident to the anti-of the reflecting mirror
Face is penetrated, for the elliptically polarized light by the reflective surface of the reflecting mirror to the quarter wave plate, the elliptically polarized light is described
Quarter wave plate is modulated to linearly polarized light and is incident to the second light splitting surface of the polarization beam apparatus, the S light quilt in the linearly polarized light
Second light splitting surface of the polarization beam apparatus is reflected and is emitted via the light emission side of the optical imaging system.
7. the optical imaging system of flight VR glasses as claimed in claim 6, which is characterized in that the polarization beam apparatus is inclined
Shake beam splitting chip or polarization beam splitter prism.
8. the optical imaging system of flight VR glasses as claimed in claim 6, which is characterized in that the reflecting mirror is aspherical
Reflecting mirror.
9. such as the optical imaging system of the described in any item flight VR glasses of claim 6~8, which is characterized in that further include
Light screening glass；
The light transmission screening glass is set to the light emission side of the optical imaging system.
10. a kind of flight VR glasses, which is characterized in that including Claims 1 to 5 or 6~9 described in any item optical imagery systems
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382080.1U CN208902979U (en) | 2018-08-24 | 2018-08-24 | A kind of flight VR glasses and its optical imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821382080.1U CN208902979U (en) | 2018-08-24 | 2018-08-24 | A kind of flight VR glasses and its optical imaging system |
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| Publication Number | Publication Date |
|---|---|
| CN208902979U true CN208902979U (en) | 2019-05-24 |
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| CN201821382080.1U Active CN208902979U (en) | 2018-08-24 | 2018-08-24 | A kind of flight VR glasses and its optical imaging system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487786A (en) * | 2020-04-26 | 2020-08-04 | 京东方科技集团股份有限公司 | Optical display system, control method and display device |
| CN114994079A (en) * | 2022-08-01 | 2022-09-02 | 苏州高视半导体技术有限公司 | Optical assembly and optical system for wafer detection |
| WO2024021563A1 (en) * | 2022-07-25 | 2024-02-01 | 华为技术有限公司 | Display device and vehicle |
-
2018
- 2018-08-24 CN CN201821382080.1U patent/CN208902979U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487786A (en) * | 2020-04-26 | 2020-08-04 | 京东方科技集团股份有限公司 | Optical display system, control method and display device |
| WO2024021563A1 (en) * | 2022-07-25 | 2024-02-01 | 华为技术有限公司 | Display device and vehicle |
| CN114994079A (en) * | 2022-08-01 | 2022-09-02 | 苏州高视半导体技术有限公司 | Optical assembly and optical system for wafer detection |
| CN114994079B (en) * | 2022-08-01 | 2022-12-02 | 苏州高视半导体技术有限公司 | Optical assembly and optical system for wafer detection |
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