CN102200647A - Three-dimensional display system and three-dimensional display equipment - Google Patents
Three-dimensional display system and three-dimensional display equipment Download PDFInfo
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- CN102200647A CN102200647A CN2010101316501A CN201010131650A CN102200647A CN 102200647 A CN102200647 A CN 102200647A CN 2010101316501 A CN2010101316501 A CN 2010101316501A CN 201010131650 A CN201010131650 A CN 201010131650A CN 102200647 A CN102200647 A CN 102200647A
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Abstract
The invention relates to a three-dimensional display system, which comprises a piece of display equipment, a projection lens and a projection screen, wherein the display equipment comprises a display layer and a light ray control layer; the light ray control layer comprises two groups of transparent conducting films and a liquid crystal layer which is positioned between the transparent conducting films; and the light ray control layer of the piece of display equipment also comprises a liquid crystal polarization controller which is connected with the transparent conducting films. The invention also relates to three-dimensional display equipment. Only a piece of three-dimensional display equipment is required for the three-dimensional display system to realize a three-dimensional stereo display effect.
Description
[affiliated technical field]
The present invention relates to a kind of display system, a kind of three-dimensional display system and three-dimensional display apparatus are provided especially.
[background technology]
Why people's vision can differentiate distance, is the gap by two eyes.Two of the people are separated about 5 centimeters, and two eyes are seen any the same thing except the aiming dead ahead, and two angle can be not identical.Though gap is very little, pass in the brain through retina, brain produces the far and near degree of depth just with this small gap, thereby produces stereoscopic sensation.Though eyes can be seen object, differentiate the distance of object distance is difficult.According to this principle, if same scene, produce two images with the gap at two eyes visual angles, allow one of two eye then on one side, respectively see own image on one side, see through retina and just can make the stereoscopic sensation of the brain generation depth of field.Present three-dimensional stereo display technique, also mostly is these principles of utilization, we are called " polarisation principle ".According to this principle, three-dimensional film, three-dimensional television etc. have appearred.
Present three-dimensional display system; Existing three-dimensional display apparatus mainly belongs to the latter, also is main product in season.
Three-dimensional film be manufactured with various ways, but mainly be divided into wearing spectacles and wearing spectacles two classes not, the former cost is higher, and technology is also not mature enough, therefore is not widely used, the latter has then obtained using widely.It utilizes two kinematographs of settling side by side with the method for eye-observation scenery, and commissarial images of left and right eyes is shot two slightly mutes of horizontal parallax synchronously respectively.During projection, two motion picture films are respectively charged into left and right film projector, and before projection lens, install the polariscope that two polarization axles are mutually 90 degree respectively.Two projectors need run-in synchronism, simultaneously picture are thrown in the metal screen, and it is right as slur to form left side picture.When spectators put on special polaroid glasses, because the polarization axle of left and right two polariscopes is orthogonal, and consistent with the polarization axle before the projection lens; Cause spectators' left eye can only see that left side picture, right eye can only see right picture, by the eyes aggregation feature with left and right picture superimposition on retina, produce the visual effect of 3 D stereo by cerebral nerve.
Owing to need to use two projectors, and need to guarantee that two projectors play simultaneously in the prior art, make whole device bulky, power consumption is big, production cost and operating cost are also high.
[summary of the invention]
Technical matters to be solved by this invention provides a kind of three-dimensional display system and three-dimensional display apparatus, and volume and power consumption that it can reduce the 3 D stereo optical projection system reduce production costs and operating cost.
For solving above technical matters, the present invention realizes by the following technical solutions: a kind of three-dimensional display system, it comprises: display device, projecting lens and projection screen, described display device comprises display layer and light control layer, this light control layer comprises two groups of transparent conductive films and the liquid crystal layer between transparent conductive film, display device in this three-dimensional display system is one, and the light control layer of this display device also comprises the liquid crystal polarized controller that is connected with transparent conductive film.
The light control layer of described display device only is provided with a polaroid, and this polaroid is between display layer and transparent conductive film.
It also comprises polarised light glasses, and this polarised light glasses right and left eyes alternately receives the polarized light image of different direction of vibration, and one of them receives the polarized light image of first direction of vibration, and another receives the polarized light image of second direction of vibration.
The light control layer of described display device also comprises the polarized light separator between transparent conductive film and display layer.
Described light control layer also comprises a polaroid, and this polaroid and polarized light separator lay respectively at the transparent conductive film both sides.
Described light control layer also comprises the light assembled unit that is positioned at the described polaroid outside.
The liquid crystal layer of described display device is divided into upper and lower two parts, and the liquid crystal molecule on top is different with the Liquid Crystal Molecules Alignment direction of lower part.
The present invention also can realize in the following manner:
A kind of three-dimensional display apparatus, it comprises: display layer and light control layer, this polarisation key-course comprises two groups of transparent conductive films and the liquid crystal layer between transparent conductive film, and described light control layer also comprises the liquid crystal polarized controller that is connected with transparent conductive film.
Described light control layer only is provided with a polaroid, and this polaroid is between display layer and transparent conductive film.
Described light control layer also comprises the polarized light separator between transparent conductive film and display layer.
Described light control layer also comprises a polaroid, and this polaroid and polarized light separator lay respectively at the transparent conductive film both sides.
Described light control layer also comprises the light assembled unit that is positioned at the described polaroid outside.
Described liquid crystal layer is divided into upper and lower two parts, and the liquid crystal molecule on top is different with the Liquid Crystal Molecules Alignment direction of lower part.
Three-dimensional display apparatus of the present invention has following advantage:
Core of the present invention is to increase liquid crystal polarized controller on display device, it can send certain voltage to liquid crystal layer, control the frequency of liquid crystal molecule by the variation of voltage, the feasible direction of vibration that passes the polarized light of liquid crystal layer has two fixing angles, the left and right sides glasses of the glasses that the user wears can receive different polarized lights, because right and left eyes receives different polarized light image, converges by eyes, and then has produced three-dimensional stereo-picture.By technical scheme of the present invention, only need to realize three-dimensional image once projection optical equipment's (projecting lens, light source, polaroid, display device etc.) of cover projector, therefore reduced the manufacturing cost of system of tripleplane, reduce the volume and weight of whole device simultaneously, also saved the light source power consumption of half.
[description of drawings]
Fig. 1 is the synoptic diagram of three-dimensional display system in the first embodiment of the present invention.
Fig. 2 is the synoptic diagram of three-dimensional display system in the second embodiment of the present invention.
[embodiment]
Reach technological means and the effect that predetermined purpose is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and the effect thereof of a kind of three-dimensional display apparatus that foundation the present invention is proposed, describe in detail as after.
First embodiment:
As shown in Figure 1, the three-dimensional display system in the present embodiment comprises the display device 2 of the light source 1 that produces nonpolarized light, may command polarized light, a projecting lens 3 and a projection screen 4.
Particularly, display device 2 in three-dimensional display system of the present invention comprises display layer 20 and light control layer (not label), wherein, described display layer is a two-dimensional display of the prior art, for example, computer display screen, so its concrete structure and principle of work are not described in detail in this, described light control layer is used for optionally, and break-make can be light break-make key-course from the different light rays of display layer.Described light control layer comprises the polarized light separator 23 that the nonpolarized light from light source 1 can be separated into P polarized light and S polarized light, two groups of transparent conductive films 22, the liquid crystal layer between two groups of transparent conductive films (not label), the liquid crystal polarized controller 21, polaroid 24, the light assembled unit 25 that are connected with two groups of transparent conductive films 22.
Described polarized light separator and polaroid lay respectively at the transparent conductive film both sides; Described smooth assembled unit is positioned at the polaroid outside; The angle of described polaroid 24 and the angle of incident polarized light are perpendicular.
Described liquid crystal polarized controller 21 is imported certain voltage respectively to the top and the lower part of transparent conductive film 22, make the up and down two-part liquid crystal molecule of liquid crystal layer form two kinds of different orientations, form P light part and S light part, display layer, liquid crystal layer and polaroid are synchronous simultaneously, and promptly the three combines and can guarantee to have only P polarized light or S polarized light to pass through at synchronization.
Described polaroid 24 tops are different with the lower part; The angle of top polaroid is consistent with P polarized light angle, and supply P polarized light passes through; The angle of lower part polaroid is consistent with S polarized light angle, passes through for the S polarized light
Particularly, become P polarized light and S polarized light after the nonpolarized light process separation of polarized light separator 23 that light source 1 sends; In the present invention, the P polarized light can pass the first half of liquid crystal layer, the Lower Half that the S polarized light can pass liquid crystal layer, is not limited only to this a kind of mode that penetrates certainly, also can make the P polarized light pass the Lower Half of liquid crystal layer, the first half that the S polarized light passes liquid crystal layer.At this moment, open liquid crystal polarized controller 23 and import two kinds of fixing voltages simultaneously to two groups of transparent conductive films 22 of liquid crystal layer, make the first half liquid crystal molecule of liquid crystal layer allow the P polarized light to pass through with first kind of orientation, the latter half liquid crystal molecule of liquid crystal layer allows the S polarized light to pass through with second kind of orientation.Combine by light assembled unit 25 through polaroid 24 backs through P polarized light after the liquid crystal layer processing and S polarized light, prevent from projection screen, to occur the phenomenon that light is separated.The P polarized light image of Projection Display and S polarized light image after making up, two of different polarization optical glasses 5 of having that wear for the user observe and see respectively, to be the P polarized light image for one that wears the P polarised light glasses observe sees, the S polarized light image is observed for one that wears the S polarised light glasses and is seen, the image superimposition that images of left and right eyes is obtained by the eyes aggregation feature is produced the visual effect of 3 D stereo by cerebral nerve on retina.
Second embodiment:
Three-dimensional display system in the present embodiment comprises the light source 1 that produces nonpolarized light, the display device 2 ' of may command polarized light direction of vibration, a projecting lens 3 and a projection screen 4.
Described display device 2 ' comprises display layer 20 and light control layer (not label), and described light control layer is used to change the polarized light direction of vibration from display layer, can be the polarized light key-course.Described light control layer comprises: polaroid 23 ', two groups of transparent conductive films 22 ', the liquid crystal layer between transparent conductive film, and the liquid crystal polarized controller 21 ' that is connected with transparent conductive film 22 '.The nonpolarized light that described light emitted is gone out becomes polarized light and passes liquid crystal layer after handling through polaroid 23 ', at this moment, liquid crystal polarized controller 21 ' adds two kinds of voltages to transparent conductive film, change frequency between two voltage is identical with the frequency that the display layer display image changes, be that display layer and liquid crystal molecule change polarized light direction of vibration is synchronous, for example, add when showing left-eye image that first kind of voltage makes liquid crystal molecule that the polarized light direction of vibration is deflected into 45 degree, add when showing eye image that second kind of voltage makes the polarized light direction of vibration deflect into 135 degree, during concrete certainly enforcement, as long as the difference of left eye polarized light direction of vibration and right eye polarized light direction of vibration is 90 degree, the image that makes the polarised light glasses right and left eyes receive can Alternation Display.
Particularly, two eyeglasses of polarised light glasses are respectively applied for the polarized light that receives different direction of vibration, make people's left eye and right eye can receive the different polarization light image at short notice, the image superimposition that images of left and right eyes is obtained by the eyes aggregation feature is produced the visual effect of 3 D stereo by cerebral nerve on retina again.For good display effect can be arranged, show that refreshing frequency is higher than 120hz, to guarantee that right and left eyes can both have 60 frames with epigraph within one second kind, avoid flicker.
Be to be example in the present embodiment with display device based on the nonpolarized light class, certainly for display device based on the polarized light class, liquid crystal display for example, owing to becoming polarized light after the display layer processing of the nonpolarized light that sends from light source through liquid crystal display, therefore need not to be provided with polaroid 23 ' in described light control layer, promptly polaroid all is not set, can realizes the 3-D display effect, reduced the production cost of display device in the front and back of light control layer side.
Display device among the present invention only for being applied in tripleplane's Play System, not can be used as for example display screen of televisor, computer etc. yet, realizes the effect of three-dimensional television, three-dimensional computer; In addition, also can be applied on the display screen of portable electric appts such as mobile phone, multimedia player for example.
Core of the present invention is to increase light control layer on existing two-dimensional display, liquid crystal polarized controller is set on this light control layer, it can send certain voltage to liquid crystal layer, control the frequency of liquid crystal molecule by the variation of voltage, the feasible direction of vibration that passes the polarized light of liquid crystal layer has two fixing angles, the right and left eyes of the glasses that the user wears receives different polarized lights, and then has produced three-dimensional stereo-picture.By technical scheme of the present invention, in carrying out tripleplane's broadcast, only need to realize three-dimensional stereo effect once projection optical equipment's (projecting lens, light source, polaroid etc.) of cover projector, therefore reduced the manufacturing cost of system of tripleplane, reduce the volume and weight of whole device simultaneously, also saved the light source power consumption of half.
In addition, 3 D stereo optical projection system of the present invention is also lower to the requirement of polarised light glasses, so long as two polaroids that can receive the different polarization light image get final product low cost of manufacture.And the fast gate-type glasses of the general employing of existing polarised light glasses, two eyeglasses of these glasses all are liquid crystal, the cost height.
Below only embodiments of the invention are described, but be not that various variations or the modification made according to spirit of the present invention are all within the protection category of claim of the present invention in order to restriction the present invention.
Claims (13)
1. three-dimensional display system, it comprises: display device, projecting lens and projection screen, described display device comprises display layer and light control layer, it is characterized in that: this light control layer comprises two groups of transparent conductive films and the liquid crystal layer between these two groups of transparent conductive films, display device in this three-dimensional display system is one, and the light control layer of this display device also comprises the liquid crystal polarized controller that is connected with transparent conductive film.
2. three-dimensional display system according to claim 1 is characterized in that: the light control layer of described display device is provided with a polaroid, and this polaroid is between display layer and transparent conductive film.
3. three-dimensional display system according to claim 2, it is characterized in that: it also comprises polarised light glasses, this polarised light glasses right and left eyes alternately receives the polarized light image of different direction of vibration, one of them receives the polarized light image of first direction of vibration, and another receives the polarized light image of second direction of vibration.
4. three-dimensional display system according to claim 1 is characterized in that: the light control layer of described display device also comprises the polarized light separator between transparent conductive film and display layer.
5. three-dimensional display system according to claim 4 is characterized in that: described light control layer also comprises a polaroid, and this polaroid and polarized light separator lay respectively at the transparent conductive film both sides.
6. three-dimensional display system according to claim 5 is characterized in that: described light control layer also comprises the light assembled unit that is positioned at the described polaroid outside.
7. according to claim 4 or 6 any described three-dimensional display systems, it is characterized in that: the liquid crystal layer of described display device is divided into upper and lower two parts, and the liquid crystal molecule on top is different with the Liquid Crystal Molecules Alignment direction of lower part.
8. three-dimensional display apparatus, it comprises: display layer and light control layer, it is characterized in that: this polarisation key-course comprises two groups of transparent conductive films and the liquid crystal layer between these two groups of transparent conductive films, and described light control layer also comprises the liquid crystal polarized controller that is connected with transparent conductive film.
9. three-dimensional display apparatus according to claim 8 is characterized in that: described light control layer only is provided with a polaroid, and this polaroid is between display layer and transparent conductive film.
10. three-dimensional display apparatus according to claim 8 is characterized in that: described light control layer also comprises the polarized light separator between transparent conductive film and display layer.
11. three-dimensional display apparatus according to claim 10 is characterized in that: described light control layer also comprises a polaroid, and this polaroid and polarized light separator lay respectively at the transparent conductive film both sides.
12. three-dimensional display apparatus according to claim 11 is characterized in that: described light control layer also comprises the light assembled unit that is positioned at the described polaroid outside.
13. according to Claim 8 or 12 any described three-dimensional display apparatus, it is characterized in that: described liquid crystal layer is divided into upper and lower two parts, and the liquid crystal molecule on top is different with the Liquid Crystal Molecules Alignment direction of lower part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010131650.1A CN102200647B (en) | 2010-03-23 | 2010-03-23 | Three-dimensional display system and three-dimensional display equipment |
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| CN201010131650.1A CN102200647B (en) | 2010-03-23 | 2010-03-23 | Three-dimensional display system and three-dimensional display equipment |
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| CN102200647A true CN102200647A (en) | 2011-09-28 |
| CN102200647B CN102200647B (en) | 2014-11-05 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0136696A2 (en) * | 1983-10-03 | 1985-04-10 | Polaroid Corporation | Stereo imaging system and a liquid crystal cell therefor |
| US6252624B1 (en) * | 1997-07-18 | 2001-06-26 | Idemitsu Kosan Co., Ltd. | Three dimensional display |
| US20020080496A1 (en) * | 2000-12-23 | 2002-06-27 | Michael Kaschke | Stereoscopic display system having a single display |
| CN1645186A (en) * | 2005-02-03 | 2005-07-27 | 四川大学 | Three-dimensional liquid-crystal projecting displaying device with big screen |
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2010
- 2010-03-23 CN CN201010131650.1A patent/CN102200647B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0136696A2 (en) * | 1983-10-03 | 1985-04-10 | Polaroid Corporation | Stereo imaging system and a liquid crystal cell therefor |
| US6252624B1 (en) * | 1997-07-18 | 2001-06-26 | Idemitsu Kosan Co., Ltd. | Three dimensional display |
| US20020080496A1 (en) * | 2000-12-23 | 2002-06-27 | Michael Kaschke | Stereoscopic display system having a single display |
| CN1645186A (en) * | 2005-02-03 | 2005-07-27 | 四川大学 | Three-dimensional liquid-crystal projecting displaying device with big screen |
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| CN102200647B (en) | 2014-11-05 |
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