CN203786400U - Head-mounted stereoscopic image viewing device - Google Patents
Head-mounted stereoscopic image viewing device Download PDFInfo
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- CN203786400U CN203786400U CN201420177763.9U CN201420177763U CN203786400U CN 203786400 U CN203786400 U CN 203786400U CN 201420177763 U CN201420177763 U CN 201420177763U CN 203786400 U CN203786400 U CN 203786400U
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- 230000003287 optical effect Effects 0.000 claims abstract description 49
- 230000010287 polarization Effects 0.000 claims abstract description 45
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 210000003128 head Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The utility model discloses a head-mounted stereoscopic image viewing device, which comprises a head fixing bracket and a visual system, wherein the visual system comprises two vertically arranged liquid crystal display screens, a transmissible and reflexible plane mirror, two linear polarizers, a half wave plate and two groups of optical amplifying components, the transmissible and reflexible plane mirror is arranged between the two liquid crystal display screens, and one side of the transmissible and reflexible plane mirror is close to the joint of the two display screens at an equal included angle; the linear polarizers are arranged between the transmissible and reflexible plane mirror and the optical amplifying components; the half wave plate is arranged between one of the liquid crystal display screens and the transmissible and reflexible plane mirror, and is parallel to the liquid crystal display screen; and the transmissible and reflexible plane mirror is a p polarization transmissible and s polarization reflexible plane mirror or a p polarization reflexible and s polarization transmissible plane mirror. Since the head-mounted stereoscopic image viewing device adopts the half wave plate and the polarization type reflector, two image sources have no light energy loss after passing through the polarization type reflector, and the image viewing effect of the head-mounted stereoscopic image viewing device can be effectively improved.
Description
Technical field
The utility model relates to wears demonstration field, relates in particular to the three-dimensional viewing device of a kind of wear-type.
Background technology
Flourish along with 3D display technique, the head mounted display that has stereoscopic vision function has been widely used and has popularized.3D stereo display technique is affecting revolutionaryly and is changing people's communication, Working and life styles.2010, the global industrial environment that 3D TV and 3D video display are representative of take is increasingly mature, three-dimensional display is compared with traditional monitor, its maximum feature is that three-dimensional display can allow people experience really enormous impact and ultimate attainment shock that stereoscopic vision is brought, thereby whether stereoscopic sensation is an important indicator weighing stereo display product by force.Stereo display applicating technology technological means has been reduced the real three-dimensional world of the mankind, by the development trend of the Fashion of Future video science and technology.
In the Chinese patent CN201110057220.4 of Beijing Institute of Technology's application, a kind of head-mounted stereoscopic visual slide viewer is disclosed, comprise 2 vertical LCDs of placing, half-reflection and half-transmission glass, 2 amplifying lenses and polaroid, this viewing equipment visual field is large, and stereoeffect is good.But half-reflection and half-transmission glass is common half-reflecting half mirror in this technical scheme, 2 image sources have all been lost 50% luminous energy after half-reflection and half-transmission glass, have a strong impact on image quality.
Utility model content
The purpose of this utility model is to provide the three-dimensional viewing device of a kind of wear-type, solves the serious problem of middle light energy losses of CN201110057220.4 technical scheme.
To achieve these goals, the utility model provides a kind of wear-type three-dimensional viewing device, comprise for whole viewing device being fixed on to the support of head and being positioned at human eye the place ahead and rack-mount vision system, described vision system comprise two LCDs, one can be thoroughly can antiplane mirror, two linear polarizer, a half-wave plate and two groups of optical amplifier assemblies, wherein: two groups of optical amplifier assemblies are placed side by side people's two sides at the moment; A side at two groups of optical modules away from human eye, is provided with two linear polarizer coaxial and placed side by side with optical module, two linear polarizer can be thoroughly can antiplane mirror and two groups of optical amplifier assemblies between, the polarization direction of two polaroids is orthogonal; Two LCDs vertical placements mutually, wherein a LCDs is parallel with two groups of optical amplifier assemblies, and another piece LCDs is placed on two groups of optical amplifier assemblies, and parallel with the optical axis of two optical amplifier assemblies; Can thoroughly can be arranged between two LCDs by antiplane mirror, it is on one side near the junction of two display screens and equate with the angle of two LCDs; Half-wave plate be arranged at wherein a LCDs and can be thoroughly can antiplane mirror between, and be parallel to this LCDs; Described can be thoroughly can antiplane mirror be p polarization thoroughly s polarization can antiplane mirror or p polarization can anti-s polarization level crossing thoroughly.
Preferably, two LCDs shift to install, and between the two, have certain overlapping part.
Preferably, described and two groups of LCDs that optical amplifier assembly is parallel, its screen center's point is positioned on the optical axis of one group of optical amplifier assembly wherein; The light that another piece LCDs mid point point sends, through can be thoroughly can the reflection of antiplane mirror after, with the optical axis coincidence of another group optical amplifier assembly.
Preferably, every group of optical amplifier assembly is the positive focus lens group that the positive focus lens of monolithic or a plurality of lens form.
Preferably, the three-dimensional viewing device of described wear-type also comprises peripheral hardware connecting circuit, and peripheral hardware connecting circuit, by wired or wireless mode, is connected the three-dimensional viewing device of described wear-type with the electronic equipment with playing function, obtain information to be shown.
Preferably, the three-dimensional viewing device of described wear-type adopts battery or external electronic device to power.
Compared with prior art, the utlity model has following beneficial effect:
The utility model structure adopted a slice half-wave plate and polarization type catoptron (p polarization thoroughly s polarization can antiplane mirror or p polarization can anti-s polarization level crossing thoroughly), make two image sources after polarization type catoptron without light energy losses, can effectively improve the viewing effect of the three-dimensional viewing device of wear-type.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing:
Fig. 1 is the structure vertical view of vision system in the three-dimensional viewing device of the utility model embodiment mono-wear-type;
Fig. 2 is the structure side view of vision system in the three-dimensional viewing device of the utility model embodiment mono-wear-type;
Fig. 3 is the structure vertical view of vision system in the three-dimensional viewing device of the utility model embodiment bis-wear-types;
Fig. 4 is the structure side view of vision system in the three-dimensional viewing device of the utility model embodiment bis-wear-types;
Mark in figure: the LCDs of 1-horizontal positioned, the LCDs that 2-vertically places, 3-can be thoroughly can antiplane mirror, the right linear polarizer of 4-, the left line polaroid of 5-, the right optical amplifier assembly of 6-, the left optical amplifier assembly of 7-, 8-user's right eye, 9-user's left eye, 10-half-wave plate.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment mono-:
The three-dimensional viewing device of the present embodiment wear-type, comprise for whole viewing device being fixed on to the support of head and being positioned at human eye the place ahead and rack-mount vision system, described vision system structure can be referring to Fig. 1 and Fig. 2, comprise two vertical LCDs 1,2 of placing, one can thoroughly can 4,5, half-wave plates 10 of 3, two linear polarizer of antiplane mirror and two groups of optical amplifier assemblies 6,7.
Two LCDs show respectively right and left eyes image information, and in Fig. 1, the LCDs 1 of horizontal positioned is for showing eye image, and the LCDs 2 of vertically placing is for showing left-eye image.In order to expand field angle, as two LCDs of Fig. 1 are preferably, shift to install, and between the two, have certain overlapping part, the size of overlapping area is determined according to actual needs, on the not impact of three-dimensional imaging effect.
When making user watch image, point-blank, preferred structure is: LCDs 2 screen center's points are positioned on the optical axis of optical amplifier assembly 7 for 3, pupil and picture center, optical amplifier assembly center; And the light that LCDs 1 mid point point sends, through can be thoroughly can 3 reflections of antiplane mirror after, with the optical axis coincidence of optical amplifier assembly 6.
Two groups of optical amplifier assemblies 6,7 are placed side by side people's two sides at the moment, and for enlarged image, every group of optical amplifier assembly is the positive focus lens group that the positive focus lens of monolithic or a plurality of lens form, and in figure, 8,9 represent respectively two of people.
A side at two groups of optical modules away from human eye, be provided with two linear polarizer 4,5 coaxial and placed side by side with optical module, two linear polarizer 4,5 placed side by side in can be thoroughly can antiplane mirror 3 and two groups of optical amplifier assemblies 6,7 between, and right linear polarizer 4 is coaxial with right optical amplifier assembly 6, left linear polarizer 5 is coaxial with left optical amplifier assembly 7, and the polarization direction of right linear polarizer 4 and left line polaroid 5 is orthogonal.
Can thoroughly can be arranged between two LCDs by antiplane mirror 3, it is on one side near the junction of two display screens and equate with the angle of the two.
In Fig. 1, half-wave plate 10 is set in parallel in LCDs 1 below, the image light source showing due to liquid crystal display can be linearly polarized light, suppose that light source that image source in the present embodiment shows is the parallel p polarized light with the plane of incidence of light wave direction of vibration, be that LCDs 1 is p linearly polarized light with the display light source of LCDs 2, light wave direction of vibration will be perpendicular to the plane of incidence after half-wave plate 10 for the light that LCDs 1 is sent, i.e. s linearly polarized light; S polarization can antiplane mirror thoroughly now can be thoroughly can antiplane mirror 3 to be chosen as p polarization; The polarization polarised direction of linear polarizer 4 allows s linearly polarized light to pass through, and stops p polarized light to pass through; The polarization polarised direction of linear polarizer 5 allows p polarized light to pass through, and stops s polarized light to pass through.Every eyes of two line polaroid assurance users can only be seen the light that a display screen sends.When using the three-dimensional viewing device of the utility model wear-type, two shown image frames of LCDs should be the image frame with certain phase differential, are used to form stereoscopic vision.
In Fig. 1, the light that LCDs 1 is sent, successively through half-wave plate 10 transmissions, can be thoroughly can 3 reflections of antiplane mirror, through linear polarizer 4 transmissions, finally by optical amplifier assembly 6, amplify and show; The optics that LCDs 2 is sent, successively through can be thoroughly can 3 transmissions of antiplane mirror, after linear polarizer 5 transmissions, finally by optical amplifier assembly 7, amplify and show.
If suppose, in Fig. 1, LCDs 1 is s linearly polarized light with the display light source of LCDs 2, described can be thoroughly can antiplane mirror 3 should be replaced by p polarization can anti-s polarization level crossing thoroughly, and the polarization polarised direction of linear polarizer 4 allows line p polarized light to pass through, and stops s polarized light to pass through; The polarization polarised direction of linear polarizer 5 allows s polarized light to pass through, and stops p polarized light to pass through.
Embodiment bis-:
Referring to Fig. 3 and Fig. 4, the three-dimensional viewing device of embodiment bis-wear-types structure, belongs to the distortion of embodiment mono-structure, and the difference of Fig. 3 and Fig. 4 and Fig. 1 and Fig. 2 structure is:
A: two LCDs dislocation directions are distinguished to some extent, in Fig. 1, the LCDs 1 of horizontal positioned is for showing eye image, and the LCDs 2 of vertically placing is for showing left-eye image; And in Fig. 2, the LCDs 1 of horizontal positioned is for showing left-eye image, the LCDs 2 of vertically placing is for showing eye image;
B: half-wave plate placement location is different, in Fig. 3 and Fig. 4, half-wave plate 10 is parallel in the emergent light direction that LCDs 2 is arranged at LCDs 2.
In Fig. 3 and Fig. 4 structure, if suppose, LCDs 1 and the display light source of LCDs 2 are p linearly polarized light, described can be thoroughly can antiplane mirror 3 should be p polarization can anti-s polarization level crossing thoroughly, and the polarization polarised direction of linear polarizer 4 allows line s polarized light to pass through, and stops p polarized light to pass through; The polarization polarised direction of linear polarizer 5 allows p polarized light to pass through, and stops s polarized light to pass through.
If suppose in Fig. 3 and Fig. 4, LCDs 1 is s linearly polarized light with the display light source of LCDs 2, describedly can be thoroughly can antiplane mirror 3 should be replaced by p polarization s polarization can antiplane mirror thoroughly, and the polarization polarised direction of linear polarizer 4 allows line p polarized light to pass through, prevention s polarized light passes through; The polarization polarised direction of linear polarizer 5 allows s polarized light to pass through, and stops p polarized light to pass through.
Except embodiment mono-and enforcement two, the utility model structure also has similarly other modes of texturing, in all embodiment of the utility model, the three-dimensional viewing device of described wear-type also comprises peripheral hardware connecting circuit, peripheral hardware connecting circuit is by wired or wireless mode, the three-dimensional viewing device of described wear-type is connected with the electronic equipment with playing function, obtains information to be shown.Consider portable needs, wear-type device of the present utility model self can be designed as and does not carry power supply, adopt data line to be connected to the external electronic device with playing function, when obtaining information to be shown, the double-display screen that is the three-dimensional viewing device of wear-type by external electronic device is powered.If allow the three-dimensional viewing utensil of this wear-type to have slightly large volume, also battery compartment can be set, the double-display screen that is the three-dimensional viewing device of wear-type by battery is powered.
The utility model is compared with the Chinese patent CN201110057220.4 of Beijing Institute of Technology's application, due to adopted a slice half-wave plate and polarization type catoptron (p polarization thoroughly s polarization can antiplane mirror or p polarization can anti-s polarization level crossing thoroughly), make two image sources after polarization type catoptron without light energy losses, can effectively improve the viewing effect of the three-dimensional viewing device of wear-type.
Disclosed all features in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this instructions (comprising any accessory claim, summary and accompanying drawing), unless narration especially all can be replaced by other equivalences or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (6)
1. the three-dimensional viewing device of wear-type, comprise for whole viewing device being fixed on to the support of head and being positioned at human eye the place ahead and rack-mount vision system, it is characterized in that, described vision system comprise two LCDs, one can be thoroughly can antiplane mirror, two linear polarizer, a half-wave plate and two groups of optical amplifier assemblies, wherein: two groups of optical amplifier assemblies are placed side by side people's two sides at the moment; A side at two groups of optical modules away from human eye, is provided with two linear polarizer coaxial and placed side by side with optical module, two linear polarizer can be thoroughly can antiplane mirror and two groups of optical amplifier assemblies between, the polarization direction of two polaroids is orthogonal; Two LCDs vertical placements mutually, wherein a LCDs is parallel with two groups of optical amplifier assemblies, and another piece LCDs is placed on two groups of optical amplifier assemblies, and parallel with the optical axis of two optical amplifier assemblies; Can thoroughly can be arranged between two LCDs by antiplane mirror, it is on one side near the junction of two display screens and equate with the angle of two LCDs; Half-wave plate be arranged at wherein a LCDs and can be thoroughly can antiplane mirror between, and be parallel to this LCDs; Described can be thoroughly can antiplane mirror be p polarization thoroughly s polarization can antiplane mirror or p polarization can anti-s polarization level crossing thoroughly.
2. the three-dimensional viewing device of wear-type as claimed in claim 1, is characterized in that, two LCDs shift to install, and between the two, have certain overlapping part.
3. the three-dimensional viewing device of wear-type as claimed in claim 2, is characterized in that, described and two groups of LCDs that optical amplifier assembly is parallel, and its screen center's point is positioned on the optical axis of one group of optical amplifier assembly wherein; The light that another piece LCDs mid point point sends, through can be thoroughly can the reflection of antiplane mirror after, with the optical axis coincidence of another group optical amplifier assembly.
4. the three-dimensional viewing device of the wear-type as described in claims 1 to 3 any one, is characterized in that, every group of optical amplifier assembly is the positive focus lens group that the positive focus lens of monolithic or a plurality of lens form.
5. the three-dimensional viewing device of wear-type as claimed in claim 4, it is characterized in that, the three-dimensional viewing device of described wear-type also comprises peripheral hardware connecting circuit, peripheral hardware connecting circuit is by wired or wireless mode, the three-dimensional viewing device of described wear-type is connected with the electronic equipment with playing function, obtains information to be shown.
6. the three-dimensional viewing device of wear-type as claimed in claim 5, is characterized in that, the three-dimensional viewing device of described wear-type adopts battery or external electronic device to power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177763.9U CN203786400U (en) | 2014-04-14 | 2014-04-14 | Head-mounted stereoscopic image viewing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177763.9U CN203786400U (en) | 2014-04-14 | 2014-04-14 | Head-mounted stereoscopic image viewing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203786400U true CN203786400U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420177763.9U Expired - Lifetime CN203786400U (en) | 2014-04-14 | 2014-04-14 | Head-mounted stereoscopic image viewing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203786400U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360484A (en) * | 2014-12-02 | 2015-02-18 | 京东方科技集团股份有限公司 | Light wave medium, glasses and image-forming method of glasses |
| CN107111143A (en) * | 2016-07-04 | 2017-08-29 | 深圳市大疆创新科技有限公司 | Vision system and viewing equipment |
| CN113050275A (en) * | 2019-12-27 | 2021-06-29 | 宏碁股份有限公司 | Near-to-eye display device |
-
2014
- 2014-04-14 CN CN201420177763.9U patent/CN203786400U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360484A (en) * | 2014-12-02 | 2015-02-18 | 京东方科技集团股份有限公司 | Light wave medium, glasses and image-forming method of glasses |
| US10228563B2 (en) | 2014-12-02 | 2019-03-12 | Boe Technology Group Co., Ltd. | Optical medium, glasses and imaging method therefor |
| CN107111143A (en) * | 2016-07-04 | 2017-08-29 | 深圳市大疆创新科技有限公司 | Vision system and viewing equipment |
| WO2018006238A1 (en) * | 2016-07-04 | 2018-01-11 | 深圳市大疆创新科技有限公司 | Visual system and slide viewer |
| CN113050275A (en) * | 2019-12-27 | 2021-06-29 | 宏碁股份有限公司 | Near-to-eye display device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
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| CX01 | Expiry of patent term |