CN102109677B - Head-mounted stereoscopic visual slide viewer - Google Patents
Head-mounted stereoscopic visual slide viewer Download PDFInfo
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- CN102109677B CN102109677B CN201110057220.4A CN201110057220A CN102109677B CN 102109677 B CN102109677 B CN 102109677B CN 201110057220 A CN201110057220 A CN 201110057220A CN 102109677 B CN102109677 B CN 102109677B
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Abstract
The invention discloses a kind of head-mounted stereoscopic visual slide viewer, belong to field of virtual reality, comprise 2 pieces of LCDs of vertically placing, half-reflection and half-transmission glass, 2 pieces of amplifying lenses and polaroids.Wherein half-reflection and half-transmission glass is positioned in the middle of 2 pieces of LCDs, and it is near the junction of 2 pieces of LCDs, and equal with the angle of 2 pieces of LCDs, and amplifying lens is positioned in the middle of half-reflection and half-transmission glass and polaroid.The invention has the advantages that and overcome traditional viewing equipment aperture diaphragm to the restriction of field angle, increase visual field; The design of half-reflection and half-transmission glass is succinctly light, and aberration reduces, the high-quality function achieving stereoscopic vision; Weight is little, imaging effect good, have very large market potential.
Description
Technical field
The present invention relates to a kind of head-mounted stereoscopic visual slide viewer, especially a kind of head-mounted stereoscopic visual slide viewer adopting optical texture, belongs to field of virtual reality.
Background technology
Virtual reality (VirtualReality, is called for short VR, again translations spirit border, unreal true) is the new and high technology occurred in recent years, also claims virtual reality or artificial environment.Virtual reality utilizes computer simulation to produce a three-dimensional virtual world, provides user about the simulation of the sense organs such as vision, the sense of hearing, sense of touch, allow user as being personally on the scene, can observe the things in three-dimensional space in time, ad lib.
Viewing equipment (slideviewer) is commonly called as viewer.Traditional viewing equipment is a kind of utility appliance can watching the lantern slide after amplification easily.Head mounted display (Head-MountedDisplay, HMD), also known as near-to-eye display, is a kind of portable high-immersion 3 D image display device of large picture being widely used in every field.
Flourish along with 3D display technique, the head mounted display having stereoscopic vision function has been widely used and has popularized.3D stereo display technique is affecting revolutionaryly and is changing communication, the Working and life styles of people.2010, increasingly mature with the global industrial environment that 3D TV and 3D video display are representative, three-dimensional display is compared with traditional monitor, the enormous impact that its maximum feature is people can be allowed to experience really by three-dimensional display stereoscopic vision brings and ultimate attainment shock, thus whether stereoscopic sensation is the important indicator weighing stereo display product by force.Stereo display applicating technology technological means reduces the real three-dimensional world of the mankind, by the development trend of the Fashion of Future video science and technology.
But traditional viewing equipment is the quality ensureing stereo display, after amplifying lens, aperture diaphragm is set, significantly limit the visual field of user, this stereo display mode can not meet user for all many-sided requirements such as resolution, field angle and portability.Although multi-functional miniaturized electronic display device can bring convenience for user, " portable " " miniaturization " also limit the size of display screen simultaneously, and less display screen easily causes the eye strain of user.Therefore, how to make single equipment have " miniaturization " and the characteristic of " showing greatly " concurrently, just become major issue urgently to be resolved hurrily.
Summary of the invention
Object of the present invention is exactly to solve the problem, and designs the head-mounted stereoscopic visual slide viewer that one has the characteristic of " miniaturization " and " showing greatly " concurrently.
For achieving the above object, the present invention adopts following technical scheme:
Head-mounted stereoscopic visual slide viewer comprises the helmet support for whole viewing equipment being fixed on head, and be positioned at human eye front and be arranged on the vision system on helmet support, it is characterized in that, described vision system comprises 2 pieces of LCDs, half-reflection and half-transmission glass, 2 pieces of amplifying lenses and polaroid; Described polaroid is placed side by side people's two just at the moment, and the polarization direction of these 2 polaroids is orthogonal; The side of polaroid away from human eye, be respectively arranged with 2 placed side by side amplifying lenses coaxial with polaroid, amplifying lens is positioned in the middle of half-reflection and half-transmission glass and polaroid; Described 2 pieces of LCDs are placed in mode perpendicular to one another, and wherein 1 piece of LCDs is parallel with amplifying lens, and another block LCDs is placed on amplifying lens, and parallel with the optical axis of amplifying lens; Half-reflection and half-transmission glass is positioned in the middle of two pieces of LCDs, and it is near the junction of 2 pieces of LCDs, and equal with the angle of 2 pieces of LCDs.
Have certain overlapping part between described liquid crystal display, to reach the object expanding field angle, the size of overlapping area is determined according to actual needs.
Described helmet support is according to the size adjustable-tightness degree of wearer's head.
Described vision system also comprises a shell made with light-proof material, and this shell has two holes in the one side of human eye, and blocks this two holes respectively with polaroid.
Described shell is fixed on helmet support, makes polaroid just to the eyes of people during use.
Also with shading sealing shroud on described shell, shading sealing shroud during use, is made to make whole vision system be in dark room conditions.
Described half-reflection and half-transmission glass is rectangle.
Described vision system adopts data line to be connected to the electronic installation with playing function, obtains information to be shown;
The power lead that described vision system adopts battery or is connected to external electronic is powered.
Contrast prior art, the beneficial effect of head-mounted stereoscopic visual slide viewer of the present invention is embodied in:
1, field angle is large, and the ken is wide, and resolution is high, eliminates the visual fatigue that user causes because observing near objects for a long time;
2, traditional viewing equipment sees unnecessary image contributions stereoeffect for preventing user, and after amplifying lens, be provided with aperture diaphragm, the present invention's vertically putting then by liquid crystal display, expands field angle, adds solid region, eliminates binocular warfare;
3, simple for structure, design is light and handy, be convenient to industrialization production, cost be low.
Accompanying drawing explanation
Fig. 1 is inner structure vertical view of the present invention;
Fig. 2 is inner structure side view of the present invention;
Fig. 3 is outward appearance of the present invention and communication structure schematic diagram thereof.
In figure, each label represents:
The liquid crystal display 9 of the analyzer 5 that 1, the right eye 3 of user 2, user, the left eye 4 of user, polarization direction are vertical, the analyzer 6 of polarization direction level, right side amplifying lens 7, left side amplifying lens 8, horizontal positioned, liquid crystal display 10, half-reflection and half-transmission glass 11, the signal power source connecting line vertically placed.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
As shown in Figure 1, head-mounted stereoscopic visual slide viewer is the symmetrical distribution of line centered by the bridge of the nose position of user, comprises 2 pieces of LCDs, half-reflection and half-transmission glass, 2 pieces of amplifying lenses and polaroid.
Described 2 pieces of LCDs, show right and left eyes image information respectively, and the liquid crystal display 8 of horizontal positioned is for showing eye image, and the liquid crystal display 9 vertically placed, for showing left-eye image, improves the resolution of image; It is ensure that aperture diaphragm that stereoeffect arranges is for the constraint of field angle, increases visual range that Double liquid crystal screen adopts vertical mode of placing to solve traditional viewing equipment.
As shown in Figure 1, between liquid crystal display 8,9, there is certain overlapping part, to reach the object expanding field angle.The size of overlapping area is determined according to actual needs, does not affect three-dimensional imaging effect.
Described half-reflection and half-transmission glass, between 2 pieces of liquid crystal displays, it is equal to the angle of the two junctions of 2 pieces of LCDs.By the known electric vector E of fresnel formula interface upload sowing time p light and s light reflection and refraction in direction change.The light that liquid crystal display 9 gives off is through amplifying lens after part reflective semitransparent film refraction, and the light of liquid crystal display 8 then reflects through amplifying lens, therefore the angle that the polarization direction shape of two-beam line is in 90 °.
Described amplifying lens, for enlarged image, only containing one group of amplifying lens in this optical system, reduces the difference that image produces because of optical system, makes image more truly clear.
Described polaroid, for the formation of stereoscopic vision, user's optical system at the moment with the addition of the polaroid in different polarization direction, two eye pattern image signals form phase differential by half-reflection and half-transmission glass, and the retina being finally projeced into user by the amplification of optical system and the modulation of polaroid forms stereopsis.
Consider portable needs, wear-type device of the present invention self does not carry power supply, adopts data line to be connected to the electronic installation with playing function, obtains information to be shown.If allow this head-mounted display apparatus to have slightly large volume, also can arrange battery compartment, be that head-mounted display apparatus is powered by battery.
The invention has the advantages that and overcome traditional viewing equipment aperture diaphragm to the restriction of field angle, increase visual field; The design of half-reflection and half-transmission glass is succinctly light, and aberration reduces, the high-quality function achieving stereoscopic vision; Weight is little, imaging effect good, have very large market potential.
Under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improve or distortion drops in protection scope of the present invention.It will be understood by those skilled in the art that specific descriptions are above to explain object of the present invention, not for limiting the present invention.Protection scope of the present invention is by claim and equivalents thereof.
Claims (9)
1. a head-mounted stereoscopic visual slide viewer, comprise the helmet support for whole viewing equipment being fixed on head, and be positioned at human eye front and be arranged on the vision system on helmet support, it is characterized in that, described vision system comprises the first LCDs (8), the second LCDs (9), half-reflection and half-transmission glass (10), the first amplifying lens (6), the second amplifying lens (7) and the first polaroid (4), the second polaroid (5); Described first polaroid (4) and the second polaroid (5) are placed side by side people's two just at the moment, and the polarization direction of these 2 polaroids is orthogonal; The first polaroid (4) and the second polaroid (5) side away from human eye, be respectively arranged with and the first polaroid (4) and coaxial the first amplifying lens (6) placed side by side of the second polaroid (5) and the second amplifying lens (7); It is middle that first amplifying lens (6) and the second amplifying lens (7) are positioned at half-reflection and half-transmission glass (10) and the first polaroid (4) and the second polaroid (5); Described first LCDs (8) and the second LCDs (9) are placed in mode perpendicular to one another, and the second LCDs (9) is parallel with the second amplifying lens (7) with the first amplifying lens (6); First LCDs (8) is placed on the first amplifying lens (6) and the second amplifying lens (7), and parallel with the optical axis of the second amplifying lens (7) with the first amplifying lens (6); Half-reflection and half-transmission glass (10) is positioned in the middle of the first LCDs (8) and the second LCDs (9), and the junction near the first LCDs (8) and the second LCDs (9) of half-reflection and half-transmission glass (10); And it is equal with the angle of the first LCDs (8) and the second LCDs (9); The light that described second display liquid crystal display (9) gives off passes through again and amplifies after half-reflection and half-transmission glass (10) refraction, the light that described first LCDs (8) gives off passes through again and amplifies after half-reflection and half-transmission glass (10) reflection, the polarization direction angle in 90 ° of two-beam line.
2. head-mounted stereoscopic visual slide viewer as claimed in claim 1, is characterized in that there is certain overlapping part between described first LCDs (8) and the second LCDs (9), to reach the object expanding field angle; The size of overlapping area is determined according to actual needs.
3. head-mounted stereoscopic visual slide viewer as claimed in claim 1, it is characterized in that, described helmet support is according to the size adjustable-tightness degree of wearer's head.
4. head-mounted stereoscopic visual slide viewer as claimed in claim 1 or 2, it is characterized in that, described vision system also comprises a shell made with light-proof material, this shell has two holes in the one side of human eye, and blocks this two holes respectively with the first polaroid (4) and the second polaroid (5).
5. head-mounted stereoscopic visual slide viewer as claimed in claim 4, is characterized in that: described shell is fixed on helmet support, makes the first polaroid (4) and the second polaroid (5) just to the eyes of people during use.
6. head-mounted stereoscopic visual slide viewer as claimed in claim 4, is characterized in that, also with shading sealing shroud on described shell, make shading sealing shroud make whole vision system be in dark room conditions during use.
7. the head-mounted stereoscopic visual slide viewer as described in claim 1,2 or 3, is characterized in that, described half-reflection and half-transmission glass (10) is rectangle.
8. the head-mounted stereoscopic visual slide viewer as described in claim 1,2 or 3, is characterized in that, described vision system adopts data line (11) to be connected to the electronic installation with playing function, obtains information to be shown.
9. the head-mounted stereoscopic visual slide viewer as described in claim 1,2 or 3, is characterized in that, the power lead that described vision system adopts battery or is connected to external electronic is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110057220.4A CN102109677B (en) | 2011-03-10 | 2011-03-10 | Head-mounted stereoscopic visual slide viewer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110057220.4A CN102109677B (en) | 2011-03-10 | 2011-03-10 | Head-mounted stereoscopic visual slide viewer |
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| CN102109677A CN102109677A (en) | 2011-06-29 |
| CN102109677B true CN102109677B (en) | 2015-11-25 |
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| CN201110057220.4A Active CN102109677B (en) | 2011-03-10 | 2011-03-10 | Head-mounted stereoscopic visual slide viewer |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102854984A (en) * | 2012-09-10 | 2013-01-02 | 马青川 | Small audio-video equipment capable of projecting to both eyes directly on basis of finger action capture control |
| CN104007552B (en) * | 2014-05-30 | 2016-03-09 | 北京理工大学 | A kind of light field helmet-mounted display system of true stereo sense |
| CN106157900A (en) * | 2016-03-24 | 2016-11-23 | 翁志彬 | LCDs, the system showing virtual reality image and head-mounted display apparatus |
| 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 |
| CN206526401U (en) * | 2016-07-30 | 2017-09-29 | 深圳市前海安测信息技术有限公司 | The multifunctional virtual reality helmet |
| CN107580210A (en) * | 2017-09-05 | 2018-01-12 | 厦门市宏曜信息技术有限公司 | The multi-functional visual witch mirrors of 3D |
| CN108012139B (en) * | 2017-12-01 | 2019-11-29 | 北京理工大学 | The image generating method and device shown applied to the nearly eye of the sense of reality |
| WO2019178060A1 (en) * | 2018-03-12 | 2019-09-19 | Magic Leap, Inc. | Tilting array based display |
| CN108732763B (en) | 2018-05-31 | 2020-07-24 | 京东方科技集团股份有限公司 | Display screen and head display device for virtual reality and head display system for virtual reality |
| US11768379B2 (en) | 2020-03-17 | 2023-09-26 | Apple Inc. | Electronic device with facial sensors |
| CN116520589B (en) * | 2023-06-29 | 2023-09-01 | 成都工业学院 | Display device based on hybrid stereoscopic vision principle |
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