CN102087419A - Three-dimensional display system and method - Google Patents
Three-dimensional display system and method Download PDFInfo
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- CN102087419A CN102087419A CN2009101887172A CN200910188717A CN102087419A CN 102087419 A CN102087419 A CN 102087419A CN 2009101887172 A CN2009101887172 A CN 2009101887172A CN 200910188717 A CN200910188717 A CN 200910188717A CN 102087419 A CN102087419 A CN 102087419A
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Abstract
The invention belongs to the technical field of multimedia and discloses a three-dimensional display system and a three-dimensional display method. The system comprises a polarization assembly and polarizing glasses. The polarization assembly comprises a polarizer, a liquid crystal box and a first wavelength delay plate, wherein the polarizer is used for converting fame image light entering the polarizer into polarized light; the liquid crystal box is used for alternatively changing the state of the frame image light entering the liquid crystal box to ensure that the polarized light of two adjacent frame images are vertical mutually; the first wavelength delay plate is used for converting the polarized light of the liquid crystal box into circular polarized light; a polaroid and a second wavelength delay plate are attached to the polarizing glasses sequentially along the advancing direction of the light; and a user uses the polarizing glasses to view the light processed by the polarization assembly. In the invention, the problem of the interference phenomenon in the conventional three-dimensional display technology is solved, so that the user can experience the three-dimensional display well.
Description
Technical field
The invention belongs to multimedia technology field, be specifically related to a kind of three-dimensional stereo display system and method.
Background technology
Along with the continuous development of multimedia technology, the user is also more and more higher to multimedia requirement, and hope can be experienced the 3D stereo display of smooth more object.
People's naked eyes are when watching object, two meat eyeballs are watched object from two angles respectively, because angle difference, two width of cloth pictures of seeing have fine distinction, two width of cloth pictures that brain is seen naked eyes are mixed into a complete picture, and come aware space information, and then produce the visual effect of 3 D stereo according to their difference.
In multimedia technology field, the kind of three-dimensional stereo display technique is very many, uses many color separation, beam split, timesharing and four kinds of technology of grating of mainly comprising.
In color separation technology, mainly be to utilize the complementary colors principle, a two dimensional image that has parallax is carried out color separation processing: the beholder uses double-colored glasses, when watching the image that this color separation processing crosses, allow the part coloured light of watching object enter left eye, another part coloured light enters right eye, after eyes converge, produces stereoscopic vision.
In light splitting technology, mainly be to utilize polarisation filter or polaroid to distinguish the right and left eyes image: allow the polarized light of 0 degree only enter right eye, the polarized light of 90 degree only enters left eye, (the polarized light collocation of also available certainly 45 degree and 135 degree, do not enumerate one by one) herein, two kinds of polarized lights are carrying two cover pictures respectively, the beholder must be with going up special-purpose polaroid glasses, two eyeglasses of glasses are made by polarisation filter or polaroid, can allow the polarized light of 0 degree and 90 degree pass through respectively, so just finished for the second time and filtered, and then produced stereoscopic vision.
In time sharing, mainly be that two cover pictures are play successively, for example the display odd-numbered frame is play the left eye picture, covers beholder's right eye simultaneously with special-purpose glasses, and even frame is play the right eye picture, and covers beholder's left eye.According to the method described above two cover pictures are switched at a terrific speed, under the effect of human eye vision persistence characteristic, just synthesized continuous picture, and then produce stereoscopic vision.
In grating technology, mainly be that screen divider is become grizzly bar on the rule vertical direction, the staggered picture that shows left eye and right eye of grizzly bar, as 1,3,5... shows the left eye picture, 2,4,6... shows the right eye picture.Establish one deck " parallax obstacle " then between screen and spectators, it also is made up of the grizzly bar on the vertical direction, for this class of liquid crystal the light-emitting diode display of backing structure is arranged, and inspects obstacle and also can be located between backlight and the liquid crystal board.
Except above-mentioned several popular vision stereo display technique, also having a kind of method is exactly to control the conversion of polarized state of light by the optically-active assembly, thereby realizes stereo display.This optically-active assembly can be liquid crystal light valve or other rotatory device.
With the liquid crystal light valve is example, sees also the LCD electric-controlled optically-active device of Fig. 1, and this Fig. 1 is a not powering state of liquid crystal cell glass substrate:
Light is through Polarizer 11 ' the become linearly polarized light of vertical vibration, linearly polarized light process liquid crystal cell glass substrate 12 ', under added electric field state not, polarized light with vertical polarization is through liquid crystal molecule 121 ' reverse, be transformed into the polarized light of horizontal vibration, from the 12 ' outgoing of liquid crystal cell glass substrate;
See also Fig. 2, this Fig. 2 is liquid crystal cell glass substrate 12 ' powering state:
Liquid crystal molecule 121 ' under electric field action, vertical arrangement in order, the polarized light with vertical polarization is through the vertically vibration still of liquid crystal molecule 121 ' layer.
Above-mentioned LCD electric-controlled optically-active device is installed in the display image exit end, electric field switch by the control Liquid crystal module, can make the image emergent light polarization state difference of display consecutive frame sequence, by wearing the orthogonal polaroid glasses in right and left eyes polarization direction (seeing also Fig. 3), make right and left eyes see the differentiation image/video, thereby realize the stereo display effect.
But, an important shortcoming of the method for above-mentioned conversion by optically-active assembly control polarized state of light is exactly owing to adopt right and left eyes differentiation linearly polarized photon method, the stereoscopic visual effect that is produced causes harassing the generation of phenomenon easily, particularly right and left eyes rocks or when turning an angle, the picture crosstalk phenomenon is more obvious.
How solving and use the right and left eyes differentiation stereoscopic visual effect that linearly polarized photon produced to cause the problem of harassing phenomenon, is one of direction of multimedia technology field research.
Summary of the invention
The object of the present invention is to provide a kind of three-dimensional stereo display system, be intended to solve and use the right and left eyes differentiation stereoscopic visual effect that linearly polarized photon produced to cause the problem of harassing phenomenon.
The embodiment of the invention is achieved in that a kind of three-dimensional stereo display system, and described system comprises a polarisation assembly and polaroid glasses, and wherein said polarisation assembly comprises Polarizer, liquid crystal cell and the first wavelength retardation plate, wherein,
Described Polarizer is used for incident two field picture light wherein is transformed into polarized light;
Described liquid crystal cell is used for the state of change incident two field picture light wherein alternately, makes the polarized light state of adjacent two two field pictures vertical mutually;
The described first wavelength retardation plate is used for converting the polarized light of described liquid crystal cell to circularly polarized light;
Described polaroid glasses are pasted with the polaroid and the second wavelength retardation plate successively along the direct of travel of light, and the user watches the light of handling through described polarisation assembly according to described polaroid glasses.
An also purpose of the embodiment of the invention is to provide a kind of stereo display method of object, said method comprising the steps of:
Polarizer is transformed into polarized light with incident two field picture light wherein;
Liquid crystal cell is according to its powering state, and the state of the change incident that replaces two field picture light wherein makes the polarized light state of adjacent two two field pictures vertical mutually;
The first wavelength retardation plate converts the polarized light of described liquid crystal cell outgoing to circularly polarized light;
Polaroid glasses will be changed through the circularly polarized light after the described first wavelength retardation plate conversion, watch for the user, and wherein, described polaroid glasses are pasted with polaroid, and described polaroid card is with the second wavelength retardation plate.
The embodiment of the invention is by being provided with the first wavelength retardation plate at the polarisation assembly, change polarized light into circularly polarized light, and the second wavelength retardation plate is set in the polaroid glasses of the embodiment of the invention, corresponding mutually with the first wavelength retardation plate, the user watches the light of handling through the polarisation assembly by these polaroid glasses, make the user can experience three-dimensional stereo display, promoted Development of Multimedia Technology.
Description of drawings
Fig. 1 is one of structural drawing of three-dimensional stereo display system in the prior art;
Fig. 2 be three-dimensional stereo display system in the prior art structural drawing two;
Fig. 3 is a polaroid glasses polarization direction synoptic diagram of the prior art;
One of three-dimensional stereo display system structural drawing that Fig. 4 provides for the embodiment of the invention;
Two of the three-dimensional stereo display system structural drawing that Fig. 5 provides for the embodiment of the invention;
The side-looking structural drawing of the polaroid glasses that Fig. 6 provides for the embodiment of the invention;
The polarizing angle synoptic diagram of the right and left eyes of the polaroid glasses that Fig. 7 provides for the embodiment of the invention;
The process flow diagram of the three-dimensional stereo display method that Fig. 8 provides for the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.
The three-dimensional stereo display system that the embodiment of the invention provides includes polarisation assembly and polaroid glasses.
Fig. 4 shows one of structure of polarisation assembly in the three-dimensional stereo display system that the embodiment of the invention provides.
Described polarisation assembly comprises Polarizer 11, liquid crystal cell 12 and the first wavelength retardation plate 13.
In specific implementation process, the incident of light right-to-left, the Polarizer 11 of incident ray process vertical direction is transformed into the polarized light along vertical vibration; Certainly, be that vertical direction is that example describes with polaroid 11 herein, in specific implementation process, also can be other direction.
At liquid crystal cell 12 not under the added electric field situation, along the polarized light that is transformed into the along continuous straight runs vibration that reverses of the liquid crystal molecule 121 of polarized light in liquid crystal cell 12 of vertical vibration; Be transformed into the circularly polarized light of left-handed or dextrorotation through the first wavelength retardation plate 13 along the polarized light of horizontal vibration.
Under liquid crystal cell 12 added electric field situations, because liquid crystal cell 12 both sides substrates load electric fields, liquid crystal molecule 121 is vertically arranged, along the polarized light of vertical vibration after the reversing of liquid crystal molecule 121, its polarization state does not change, and still is the polarized light along vertical vibration; Polarized light along vertical vibration is transformed into dextrorotation or left-handed circularly polarized light through the first wavelength retardation plate 13.
Preferably, the described first wavelength retardation plate 13 is a quarter-wave.Wherein, the described first wavelength retardation plate 13 does not limit to quarter-wave, can be quarter-wave odd-multiple, the wavelength as 3/4ths, 7/4ths etc.
In specific implementation process, the optical axis of the first wavelength retardation plate 13 becomes 45 degree or 135 degree angles with polarizing axis through the polarized light of liquid crystal cell 12 outgoing, makes to be transformed into circularly polarized light from the polarized light of liquid crystal cell 12 outgoing.
Afterwards, circularly polarized light can be projected screen or other places, watch for the user.
The embodiment of the invention also provides polaroid glasses, and by the polaroid glasses that the embodiment of the invention provides, the user can further experience three-dimensional stereo display technique.
Wherein, see also Fig. 6, the eyeglass 61 of the polaroid glasses that the embodiment of the invention provides is pasted with polaroid 62, and card is with the second wavelength retardation plate 63 on the described polaroid 62.
In specific implementation process, the optical axis angle of the polaroid 62 that attaches on the left eye mirror of the polaroid glasses that the embodiment of the invention provides and the right eye mirror and the second wavelength retardation plate 63 concerns as shown in Figure 7:
The polaroid 71 that attaches on the left eyeglass lens is vertical mutually with the polarizing axis of the polaroid 73 that the right eye eyeglass attaches;
And the polarizing axis that is attached at the optical axis of the second wavelength retardation plate 72 on the polaroid 71 of left eyeglass lens and this polaroid 71 in angle of 45 degrees; The optical axis that is attached at the second wavelength retardation plate 74 on the polaroid 73 of right eye eyeglass becomes 45 degree or 135 degree angles with the polarizing axis of this polaroid 73.
Polarisation assembly in the three-dimensional stereo display system that the embodiment of the invention is provided is installed in the display image exit end, electric field switch by control liquid crystal cell 12, can make the image emergent light polarization state difference of display consecutive frame sequence, by wearing the polaroid glasses that the embodiment of the invention provides, make right and left eyes see the differentiation image/video, thereby realize the stereo display effect, and, owing to be converted to circularly polarized light at last, thereby stopped to harass the generation of phenomenon.
Fig. 8 shows the flow process of the three-dimensional stereo display method that the embodiment of the invention provides.
In step S801, Polarizer is transformed into polarized light with the two field picture light of incident;
In step S802, liquid crystal cell is according to its powering state, and the state of the change incident that replaces two field picture light wherein makes the polarized light state of adjacent two two field pictures vertical mutually;
Wherein, liquid crystal cell is transformed into polarized light along horizontal vibration along the polarized light of vertical vibration through reversing of liquid crystal molecule under added electric field situation not;
Liquid crystal cell is under the added electric field situation, because liquid crystal cell both sides substrates loads electric field, liquid crystal is vertically arranged, and behind liquid crystal molecule, its polarization state does not change, and still is the polarized light along vertical vibration along the polarized light of vertical vibration.
In step S803, the first wavelength retardation plate converts the polarized light of described liquid crystal cell outgoing to circularly polarized light;
Preferably, the optical axis of the described first wavelength retardation plate becomes 45 degree or 135 degree angles with polarizing axis through the polarized light of described liquid crystal cell outgoing.
In step S804, described polaroid glasses will be changed through the circularly polarized light after the described first wavelength retardation plate conversion, watch for the user, and wherein, described polaroid glasses are pasted with polaroid, and described polaroid card is with the second wavelength retardation plate.
The principle of work of concrete polaroid glasses and polarisation assembly is above being stated, repeats no more herein.
Preferably, the polarizing axis of the polaroid that attaches on two of described polaroid glasses eyeglasses is vertical mutually.
Preferably, the described optical axis that is attached at the second wavelength retardation plate on the polaroid glasses polaroid becomes 45 degree or 135 degree angles with the optical axis of described polaroid.
Preferably, the described first wavelength retardation plate is 1/4th wavelength, perhaps is quarter-wave odd-multiple, and the wavelength of the described second wavelength retardation plate is corresponding mutually with the described first wavelength retardation plate.
The embodiment of the invention is by being provided with the first wavelength retardation plate at the polarisation assembly, change polarized light into circularly polarized light, and the second wavelength retardation plate is set in the polaroid glasses of the embodiment of the invention, corresponding mutually with the first wavelength retardation plate, the user watches the light of handling through the polarisation assembly by these polaroid glasses, make the user can experience three-dimensional stereo display, promoted Development of Multimedia Technology.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a three-dimensional stereo display system is characterized in that, described system comprises a polarisation assembly and polaroid glasses, and described polarisation assembly comprises Polarizer, liquid crystal cell and the first wavelength retardation plate, wherein,
Described Polarizer is used for incident two field picture light wherein is transformed into polarized light;
Described liquid crystal cell is used for the state of change incident two field picture light wherein alternately, makes the polarized light state of adjacent two two field pictures vertical mutually;
The described first wavelength retardation plate is used for converting the polarized light of described liquid crystal cell to circularly polarized light;
Described polaroid glasses are pasted with the polaroid and the second wavelength retardation plate successively along the direct of travel of light, and the user watches the light of handling through described polarisation assembly according to described polaroid glasses.
2. three-dimensional stereo display system as claimed in claim 1 is characterized in that, described wavelength retardation plate is 1/4th wavelength, perhaps is quarter-wave odd-multiple.
3. three-dimensional stereo display system as claimed in claim 1 is characterized in that, the optical axis of the described first wavelength retardation plate becomes 45 degree or 135 degree angles with polarizing axis through the polarized light of described liquid crystal cell glass substrate outgoing.
4. three-dimensional stereo display system as claimed in claim 1 is characterized in that, the described optical axis that is attached at the second wavelength retardation plate on the polaroid glasses polaroid becomes 45 degree or 135 degree angles with the optical axis of described polaroid.
5. three-dimensional stereo display system as claimed in claim 1 is characterized in that, the polarizing axis of the polaroid that attaches on two eyeglasses of described polaroid glasses is vertical mutually.
6. a three-dimensional stereo display method is characterized in that, said method comprising the steps of:
Polarizer is transformed into polarized light with incident two field picture light wherein;
Liquid crystal cell is according to its powering state, and the state of the change incident that replaces two field picture light wherein makes the polarized light state of adjacent two two field pictures vertical mutually;
The first wavelength retardation plate converts the polarized light of described liquid crystal cell outgoing to circularly polarized light;
Polaroid glasses will be changed through the circularly polarized light after the described first wavelength retardation plate conversion, watch for the user, and wherein, described polaroid glasses are pasted with polaroid, and described polaroid card is with the second wavelength retardation plate.
7. three-dimensional stereo display method as claimed in claim 6 is characterized in that, described wavelength retardation plate is 1/4th wavelength, perhaps is quarter-wave odd-multiple.
8. three-dimensional stereo display method as claimed in claim 6 is characterized in that, the optical axis of the described first wavelength retardation plate becomes 45 degree or 135 degree angles with polarizing axis through the polarized light of described liquid crystal cell glass substrate outgoing.
9. three-dimensional stereo display method as claimed in claim 6 is characterized in that, the described optical axis that is attached at the second wavelength retardation plate on the polaroid glasses polaroid becomes 45 degree or 135 degree angles with the optical axis of described polaroid.
10. three-dimensional stereo display method as claimed in claim 6 is characterized in that, the polarizing axis of the polaroid that attaches on two eyeglasses of described polaroid glasses is vertical mutually.
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| CN2009101887172A CN102087419A (en) | 2009-12-04 | 2009-12-04 | Three-dimensional display system and method |
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| CN2009101887172A CN102087419A (en) | 2009-12-04 | 2009-12-04 | Three-dimensional display system and method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102385189A (en) * | 2011-10-25 | 2012-03-21 | 深圳市华星光电技术有限公司 | Three-dimensional display panel and manufacturing method thereof |
| CN102436070A (en) * | 2011-12-26 | 2012-05-02 | Tcl光电科技(惠州)有限公司 | Shutter glasses, TV device and 3D image realization method of shutter glasses |
| CN102540574A (en) * | 2012-02-29 | 2012-07-04 | 深圳市华星光电技术有限公司 | Three-dimensional display panel and three-dimensional display system |
| CN102890344A (en) * | 2012-09-28 | 2013-01-23 | 京东方科技集团股份有限公司 | 3D (Three-Dimensional) display component and 3D display device |
| WO2013013447A1 (en) * | 2011-07-26 | 2013-01-31 | 深圳市华星光电技术有限公司 | 3d glasses and 3d video playback device |
| WO2013107091A1 (en) * | 2012-01-18 | 2013-07-25 | 深圳市时代华影科技开发有限公司 | Lens structure and dual-purpose glasses with functions of sunglasses and 3d glasses |
| US8625036B2 (en) | 2011-07-26 | 2014-01-07 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | 3D glasses and 3D video playing apparatus |
| CN103760678A (en) * | 2013-12-25 | 2014-04-30 | 深圳市华星光电技术有限公司 | Three-dimensional glasses |
| CN111374874A (en) * | 2019-11-19 | 2020-07-07 | 陈奎 | Device for training multiple visual functions of eyes |
| CN112882265A (en) * | 2021-01-21 | 2021-06-01 | 维沃移动通信有限公司 | Display panel, electronic equipment, display method and system |
| CN114397765A (en) * | 2022-01-19 | 2022-04-26 | 信利半导体有限公司 | Vehicle-mounted 3D display system |
| CN114415391A (en) * | 2022-02-21 | 2022-04-29 | 上海天马微电子有限公司 | Stereoscopic display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013013447A1 (en) * | 2011-07-26 | 2013-01-31 | 深圳市华星光电技术有限公司 | 3d glasses and 3d video playback device |
| US8625036B2 (en) | 2011-07-26 | 2014-01-07 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | 3D glasses and 3D video playing apparatus |
| CN102385189A (en) * | 2011-10-25 | 2012-03-21 | 深圳市华星光电技术有限公司 | Three-dimensional display panel and manufacturing method thereof |
| CN102436070A (en) * | 2011-12-26 | 2012-05-02 | Tcl光电科技(惠州)有限公司 | Shutter glasses, TV device and 3D image realization method of shutter glasses |
| US10295836B2 (en) | 2012-01-18 | 2019-05-21 | Shenzhen Time Waying Technology Co., Ltd. | Lens structure and dual-purpose eyeglasses with sunglasses and 3D glasses functions |
| WO2013107091A1 (en) * | 2012-01-18 | 2013-07-25 | 深圳市时代华影科技开发有限公司 | Lens structure and dual-purpose glasses with functions of sunglasses and 3d glasses |
| WO2013127097A1 (en) * | 2012-02-29 | 2013-09-06 | 深圳市华星光电技术有限公司 | Three-dimensional display panel and three-dimensional display system |
| CN102540574A (en) * | 2012-02-29 | 2012-07-04 | 深圳市华星光电技术有限公司 | Three-dimensional display panel and three-dimensional display system |
| CN102890344A (en) * | 2012-09-28 | 2013-01-23 | 京东方科技集团股份有限公司 | 3D (Three-Dimensional) display component and 3D display device |
| CN102890344B (en) * | 2012-09-28 | 2016-01-06 | 京东方科技集团股份有限公司 | 3D display device and 3D display device |
| US9279995B2 (en) | 2012-09-28 | 2016-03-08 | Boe Technology Group Co., Ltd. | 3D display device and 3D display system |
| CN103760678A (en) * | 2013-12-25 | 2014-04-30 | 深圳市华星光电技术有限公司 | Three-dimensional glasses |
| CN103760678B (en) * | 2013-12-25 | 2016-04-13 | 深圳市华星光电技术有限公司 | Three-dimensional stereo glasses |
| CN111374874A (en) * | 2019-11-19 | 2020-07-07 | 陈奎 | Device for training multiple visual functions of eyes |
| CN112882265A (en) * | 2021-01-21 | 2021-06-01 | 维沃移动通信有限公司 | Display panel, electronic equipment, display method and system |
| CN114397765A (en) * | 2022-01-19 | 2022-04-26 | 信利半导体有限公司 | Vehicle-mounted 3D display system |
| CN114415391A (en) * | 2022-02-21 | 2022-04-29 | 上海天马微电子有限公司 | Stereoscopic display device |
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Application publication date: 20110608 |