CN202794719U - 3D display device and 3D display apparatus - Google Patents
3D display device and 3D display apparatus Download PDFInfo
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- CN202794719U CN202794719U CN2012205058626U CN201220505862U CN202794719U CN 202794719 U CN202794719 U CN 202794719U CN 2012205058626 U CN2012205058626 U CN 2012205058626U CN 201220505862 U CN201220505862 U CN 201220505862U CN 202794719 U CN202794719 U CN 202794719U
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Abstract
The utility model provides a 3D display device and a 3D display apparatus. The 3D display device comprises a reflection unit used for reflecting the incident polarized light, a polarized light unit formed at one side of the reflection light outgoing direction of the reflection unit and used for transforming the incident natural light into linearly polarized light or changing the polarization direction of the polarized light reflected by the reflection unit, and a polarized light direction adjusting unit formed at one side of the reflection light outgoing direction of the polarized light unit and used for transforming the reflection light emitted by the polarized light unit into two sets of polarized light of which the polarization directions are different, wherein the two sets of polarized light enter into left and right spectacle lenses of a polarizing glasses respectively. The 3D display device and the 3D display apparatus described by the utility model have the characteristics of simple structure and lower cost, and are conducive to the development of a 3D display technology.
Description
Technical field
The utility model relates to 3D display technique field, relates in particular to a kind of 3D display device and 3D display device.
Background technology
Stereo display has become a kind of trend in demonstration field.And the three-dimensional cardinal principle that shows is exactly parallax generation solid, even people's left eye is seen the left eye picture, right eye is seen the right eye picture.Wherein the right and left eyes picture is the stereoscopic image pair that parallax is arranged.
A kind of method that realizes stereo display is to adopt string type, and namely in first moment, display shows the left eye picture, and only allow beholder's left eye see display frame this moment; Second constantly, and display shows the right eye picture, only allows beholder's right eye see display frame, utilizes image in human eye retina's persisting property, makes the people feel that right and left eyes seen the right and left eyes picture simultaneously, thereby produce stereo perception.
Another realizes that the mode of stereo display is parallel type, namely at synchronization, the content of display pixel demonstration in last minute left eye picture, one part of pixel shows the content of right eye picture, by modes such as grating, polaroid glasses the demonstration of one part of pixel can only be seen by right eye, another part can only be seen by left eye, thereby produce three-dimensional sensation.
The stereo display of polaroid glasses formula is a kind of mainstream technology in current stereo display field, and the basic structure of this technology is exactly that the device that can regulate the emergent light polarization direction is installed before display panel.This device can be a polarizer, also can be a liquid crystal cell, and perhaps other can regulate the device of different pixels emergent light polarization direction.As shown in Figure 1, be followed successively by from top to bottom: picture, polarizer, the outgoing picture that display panel shows and watch the polaroid glasses of usefulness.On the display panel, delegation shows right eye figure, and delegation shows left eye figure, place a polarizer in its front, the λ of delegation/2 postpone, and delegation 0 postpones, and λ is optical wavelength, so just can make the polarization direction half-twist of the pixel emergent light of λ/2 delays, like this, have on the polaroid glasses of right and left eyes polarization direction quadrature, just can only see the light that the right eye pixel is sent by right eye, left eye is only seen the light that the left eye pixel is sent, thereby produces stereoeffect.Or the λ of polarizer delegation/4 delays, delegation-λ/4 postpone, and produce the left-right rotary circularly polarized light, put on the circularly polarized light glasses and can produce polarization effect (not shown).
Also has a kind of mode, namely on display panel, add again liquid crystal cell and λ/4 wave plates, utilize liquid crystal cell in the polarization direction of different time changing line polarisations, realize different left and right sides circular polarizing disks constantly by λ/4 wave plates, thereby the differentiation right and left eyes can realize that the polarisation 3D of full resolution shows.
But above-mentioned various structures only are used at present transmission-type 3D and show, backlight and polaroid need to be provided below display panel, complex structure, and cost is higher, has seriously hindered the development of 3D display technique.
The utility model content
The technical matters that (one) will solve
The technical problems to be solved in the utility model is, for defects, how to provide a kind of reflective 3D display device and 3D display device simple in structure, and it can reduce cost.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of 3D display device, comprising:
Reflector element is used for the polarized light of incident is reflected;
Be formed at the polarisation unit on described reflector element reflection ray exit direction one side, be used for converting the natural light of incident to linearly polarized light, or change the polarization direction of the polarized light of described reflector element reflection;
Be formed at the polarization direction regulon on described polarisation unit reflected light line exit direction one side, be used for converting the reflection ray of described polarisation unit outgoing to two groups of polarized lights that the polarization direction is different, described two groups of polarized lights enter respectively the right and left eyes eyeglass of polaroid glasses.
Wherein, described reflector element comprises:
The total reflection unit is used for incident polarized light is carried out total reflection.
Wherein, described polarisation unit comprises: display panel is used for converting the linearly polarized light of described reflector element reflection to circularly polarized light;
Be formed at λ on described display panel reflection ray exit direction one side/4 wave plates, be used for converting the linearly polarized light of incident to circularly polarized light, and convert the circularly polarized light of reflection to linearly polarized light;
Be formed at the layer of polarizer on described λ/4 wave plate reflection ray exit directions, one side, be used for converting the natural light of incident to linearly polarized light.
Wherein, described layer of polarizer is further used for absorbing the polarized light of a polarization direction, and described polarization direction is vertical with the polarization direction of the linearly polarized light that described layer of polarizer converts to.
Wherein, described reflector element comprises:
The selective reflecting unit is for the polarized light that only reflects a polarization direction.
Wherein, described reflector element comprises:
Cholesteric liquid crystal layer with planar texture is used for only reflecting left-handed or right-circularly polarized light;
Be formed at λ on described cholesteric liquid crystal layer reflection ray exit direction one side/4 wave plates, the left-handed or right-circularly polarized light that is used for reflecting converts linearly polarized light to.
Wherein, described polarisation unit comprises: display panel is used for the polarization direction of the linearly polarized light of the linearly polarized light of incident and the reflection of described reflector element is rotated a predetermined angular;
Be formed at the layer of polarizer on described display panel reflection ray exit direction one side, be used for converting the natural light of incident to linearly polarized light.
Wherein, described polarisation unit comprises:
The dichromatism display panel is used for seeing through the orthogonal two kinds of linearly polarized lights in polarization direction when powering up, or only sees through the linearly polarized light of one of them polarization direction when not powering up, and absorbs the linearly polarized light of another polarization direction.
Wherein, described 3D display device further comprises:
Be formed at the absorptive unit of described selective reflecting unit incident ray exit direction one side-lower, be used for absorbing the polarized light of described selective reflecting unit transmission.
Wherein, described polaroid glasses are the circularly polarized light glasses, described polarization direction regulon comprises: liquid crystal cell, and be used for polarized light with described reflector element reflection and convert two groups of polarized lights that arrange space in time to, the polarization direction of described two groups of polarized lights is orthogonal;
Be formed at λ on described liquid crystal cell reflection ray exit direction one side/4 wave plates, be used for converting respectively the mutually perpendicular two groups of polarized lights in polarization direction to the left-right rotary circularly polarized light, described left-right rotary circularly polarized light enters respectively the right and left eyes eyeglass of described polaroid glasses.
Wherein, described polarization direction regulon is the phase differential unit, and described phase differential unit comprises: wide a plurality of strip regions of level or homeotropic alignment, the phase delay of per two adjacent described strip regions differs λ/2.
Wherein, described polaroid glasses are the circularly polarized light glasses, and the phase delay of a strip region in described two adjacent strip regions is λ/4, and the phase delay of another strip region is-λ/4.
Wherein, described polaroid glasses are the linearly polarized light glasses, and the phase delay of a strip region in described two adjacent strip regions is λ/2, and the phase delay of another strip region is 0.
The utility model also provides a kind of 3D display device, comprising: above-mentioned each described 3D display device.
(3) beneficial effect
The utility model discloses a kind of 3D display device and 3D display device, utilize 3D display device described in the utility model, need not backlight, under ambient light, just can realize the effect that 3D shows, and this 3D display device is simple in structure, can reduce cost, be conducive to the development of 3D display technique.
Description of drawings
Fig. 1 is the schematic diagram of 3D display technique in the prior art;
Fig. 2 is the structural representation of the described 3D display device of the utility model embodiment;
Fig. 3 is the structural representation of the described 3D display device of the utility model embodiment;
Fig. 4 is the structural representation of the utility model embodiment one described 3D display device;
Fig. 5 is the structural representation of the utility model embodiment two described 3D display devices;
Fig. 6 is the structural representation of the utility model embodiment three described 3D display devices;
Fig. 7 is the structural representation of the utility model embodiment four described 3D display devices;
Fig. 8 and Fig. 9 are the fundamental diagrams of the utility model embodiment one described 3D display device;
Figure 10 and Figure 11 are the fundamental diagrams of the utility model embodiment three described 3D display devices.
Wherein, 100: reflector element; 101: the selective reflecting unit; 102: cholesteric liquid crystal layer; 103: λ/4 wave plates; 200: the polarisation unit; 201: display panel; 202: layer of polarizer; 203: λ/4 wave plates; 204: the dichromatism display panel; 300: the polarization direction regulon; 301: liquid crystal cell; 302: λ/4 wave plates; 303: polarizer; 400: absorptive unit.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Referring to Fig. 2, the utility model provides a kind of 3D display device, comprising:
Be formed at the polarisation unit 200 on described reflector element 100 reflection ray exit directions one side, be used for converting the natural light of incident to linearly polarized light, or change the polarization direction of the polarized light of described reflector element 100 reflections;
Be formed at the polarization direction regulon 300 on described polarisation unit 200 reflection ray exit directions, one side, be used for converting the reflection ray of described polarisation unit 200 outgoing to two groups of polarized lights that the polarization direction is different, described two groups of polarized lights enter respectively the right and left eyes eyeglass of polaroid glasses.
Utilize 3D display device described in the utility model, need not backlight, under ambient light, just can realize the effect that 3D shows, and this 3D display device is simple in structure, can reduce cost, be conducive to the development of 3D display technique.
Need to prove, " incident light " of the present invention refers to be entered by display device polarization direction regulon one side the ambient light of display device, this external world's light all was called as " incident light " before through reflector element or the reflection of selective reflecting unit, " reflected light " of the present invention refers to be entered by display device polarization direction regulon one side the ambient light of display device, and this external world's light all is being called as " reflected light " through the light after reflector element or the reflection of selective reflecting unit.
Preferably, described polaroid glasses comprise linearly polarized light glasses and circularly polarized light glasses.
Preferably, as shown in Figure 3, described polaroid glasses are the circularly polarized light glasses, described polarization direction regulon 300 comprises: liquid crystal cell 301, be used for the polarized light of described reflector element 100 reflections is converted to two groups of polarized lights of in time space arrangement, the polarization direction of described two groups of polarized lights is orthogonal;
Be formed at λ on described liquid crystal cell reflection ray exit direction one side/4 wave plates 302, be used for converting respectively the mutually perpendicular two groups of polarized lights in polarization direction to the left-right rotary circularly polarized light, described left-right rotary circularly polarized light enters respectively the right and left eyes eyeglass of described polaroid glasses.
Preferably, as shown in Figure 4, described polarization direction regulon is polarizer 303, and described polarizer comprises wide a plurality of strip regions of level or homeotropic alignment, and the phase delay of per two adjacent described strip regions differs λ/2.
Preferably, as shown in Figure 4, described polaroid glasses are the circularly polarized light glasses, and the phase delay of a strip region in described two adjacent strip regions is λ/4, and the phase delay of another strip region is-λ/4.
Another preferably, as shown in Figure 4, described polaroid glasses are the linearly polarized light glasses, the phase delay of a strip region in described two adjacent strip regions is λ/2, the phase delay of another strip region is 0.
Embodiment one
As shown in Figure 4, described polarisation unit 200 comprises: display panel 201 is used for the predetermined angular of polarization direction rotation with the linearly polarized light of the linearly polarized light of incident and the reflection of described reflector element, for example 90 °; This display panel 201 can be TN type or VA type etc., and this paper describes as an example of the TN type example.
Be formed at the layer of polarizer 202 on described display panel reflection ray exit direction one side, be used for converting the natural light of incident to linearly polarized light.
Preferably, described layer of polarizer 202 is further used for absorbing the polarized light of a polarization direction, and described polarization direction is vertical with the polarization direction of the linearly polarized light that described layer of polarizer converts to.
Preferably, such as Fig. 4 and shown in Figure 3, described reflector element 100 is selective reflecting unit 101, described selective reflecting unit 101, be used for only reflecting the polarized light of a polarization direction, for example, described polarization direction is vertical with the polarization direction of the polarized light that described layer of polarizer converts to.
Described selective reflecting unit 101 can reflect along the polarized light of bonding jumper length direction polarization, and transmission with along the vertical polarized light of bonding jumper length direction, thereby realize the selective reflecting of polarized light, described bonding jumper can utilize nanoscale WLP(wire grid polarizer, metal grating polarizer or wire grid polarizer) technology makes.
Preferably, as shown in Figure 4, in actual design process, can also below selective reflecting unit 101, also be provided with light absorptive unit 400.
Referring to Fig. 8 and Fig. 9, be the fundamental diagram of 3D display device shown in Figure 4,
When display panel 201 is black attitude, as shown in Figure 8, convert linearly polarized photon (shown in double-head arrow) to after natural light (shown in asterisk) process polarizer 303 and the layer of polarizer 202, incident light through display panel 201 does not change the polarization direction, polarization direction and selective reflecting unit 101 are perpendicular along the bonding jumper length direction, namely among the figure shown in the arrow, through seeing through behind the selective reflecting unit 101, be absorbed unit 400 and absorb.
When display panel 201 is bright attitude, as shown in Figure 9,90 ° of the change of polarized direction of the polarized light (shown in double-head arrow) of process display panel 201, with selective reflecting unit 101 along bonding jumper length direction parallel (shown in null circle), through being reflected behind the selective reflecting unit 101, be reduced to original polarization direction (shown in double-head arrow) through behind the display panel 201, can pass through smoothly layer of polarizer 202, through having among the different polarizer 303(figure that postpone of capable parity rows with postpone respectively λ/4 and-λ/4 examples), form respectively left circularly polarized light (shown in counterclockwise circle) and right-circularly polarized light (shown in clockwise circle), behind circularly polarized light 3D glasses, make right and left eyes receive respectively the light of different polarization states, thereby make human eye form parallax, see 3D rendering.
Embodiment two
Present embodiment scheme implementation example one described scenario-frame is basic identical, and difference is that such as Fig. 5 and shown in Figure 3, described reflector element 100 comprises:
Cholesteric liquid crystal layer 102 with planar texture is used for only reflecting left-handed or right-circularly polarized light;
Be formed at λ on described cholesteric liquid crystal layer 102 reflection ray exit directions one side/4 wave plates 103, be used for converting the left-handed or right-circularly polarized light of described cholesteric liquid crystal layer 102 reflections to linearly polarized light, also be used for and convert circularly polarized light to by the linearly polarized photon of liquid crystal panel 201 outgoing.
Liquid crystal in the described cholesteric liquid crystal layer as left-handed liquid crystal as example, can be by adding left-handed chipal compounds and nematic liquid crystal to realize planar texture, incident light is carried out the Bragg reflection of a part, and reflected light is left circularly polarized light, and the transmission right-circularly polarized light.Thereby realization selective reflecting.
The effect of λ/4 wave plates 103 is exactly to work in coordination with the cholesteric liquid crystal layer that plays the selective reflecting effect 102 of its below, this cholesteric liquid crystal layer 102 is used for optionally reflecting left-handed or right-circularly polarized light by design requirement, and seeing through the opposite light of rotation direction, λ/4 wave plates 103 are used for the circularly polarized light of cholesteric liquid crystal layer 102 reflections switched back polarized light again.
Embodiment three
Present embodiment scheme and embodiment one and embodiment two scenario-frames are basic identical, difference is, as shown in Figure 6, described polarisation unit 200 comprises: display panel 201, the display mode of display panel 201 is for mixing the TN pattern, when display panel 201 bright attitude, be used for converting the circularly polarized light of incident to linearly polarized light, and convert the linearly polarized light of described reflector element reflection to circularly polarized light; When the dark attitude of display panel, be used for the circular polarization polarized state of light of incident is not changed, the linear polarization polarized state of light that described reflector element is reflected does not change; Wherein, the reflector element described in the present embodiment is the total reflection unit, is used for the light of incident is carried out total reflection.
Be formed at λ on described display panel 201 reflection ray exit directions one side/4 wave plates 203, be used for converting the linearly polarized light of incident to circularly polarized light, and convert the circularly polarized light of reflection to linearly polarized light;
Be formed at the layer of polarizer 202 on described λ/4 wave plates, 203 reflection ray exit directions, one side, be used for converting the natural light of incident to linearly polarized light.
Preferably, described layer of polarizer 202 is further used for absorbing the polarized light of a polarization direction, and described polarization direction is vertical with the polarization direction of the linearly polarized light that described layer of polarizer converts to.
Be positioned at the total reflection unit 100 of described display panel 201 belows, this total reflection unit 100 is used for incident polarized light is carried out total reflection.
Referring to Figure 10 and Figure 11, be the fundamental diagram of 3D display device shown in Figure 6,
When display panel 201 is dark attitude, display panel 201 is powered up, as shown in figure 10, the display mode of display panel 201 is for mixing the TN pattern.Liquid crystal molecule is vertical orientated along direction of an electric field, at this moment, linearly polarized photon (shown in double-head arrow) through layer of polarizer 202 is becoming circularly polarized light through behind λ/4 wave plates 203, left circularly polarized light (shown in counterclockwise circle) for example, still be left circularly polarized light behind the process display panel 201, it is converted to right-circularly polarized light (shown in clockwise circle) after reflecting through reflector element 100, it does not change polarization state and passes display panel 201, be converted to linearly polarized light (shown in null circle) through behind λ/4 wave plates 203, the polarization direction of described linearly polarized light is vertical in the polarization direction of the polarized light that forms through described layer of polarizer 202 with incident ray, is then absorbed fully by described layer of polarizer 202.
When display panel 201 is bright attitude, display panel 201 is not powered up, this moment liquid crystal molecule along the direction orientation parallel with display panel 201, as shown in figure 11, the display mode of display panel 201 is for mixing the TN pattern.90 ° of twist structured nematic liquid crystal materials occur in director orientation, can show optical activity, also can residual birefringence, thereby it can carry out the conversion of linearly polarized light and circularly polarized light, linearly polarized photon (shown in double-head arrow) through layer of polarizer 202 is becoming circularly polarized light (shown in counterclockwise circle) through behind λ/4 wave plates 203, circularly polarized light converts linearly polarized photon (shown in double-head arrow) to through behind the display panel 203, the polarization direction of described linearly polarized light is parallel through the polarization direction of the polarized light of formation after the described layer of polarizer 202 with incident ray, linearly polarized photon still is linearly polarized light (shown in double-head arrow) after reflector element 100 reflections, be circularly polarized light (shown in counterclockwise circle) behind the process display panel 201 again, be linearly polarized light (shown in double-head arrow) behind process λ/4 wave plates 203, the polarization direction of described linearly polarized light is parallel through the polarization direction of the polarized light of formation after the described layer of polarizer 202 with incident ray, can all pass through, finally by crossing polarizer 303, transfer left circularly polarized light (shown in counterclockwise circle) and right-circularly polarized light (shown in clockwise circle) to, by entering respectively right and left eyes behind the circularly polarized light glasses, present 3D rendering.
Embodiment four
Present embodiment scheme and embodiment one and embodiment two scenario-frames are basic identical, its difference is, as shown in Figure 7, described polarisation unit 200 is dichromatism display panel 204, described dichromatism display panel 204 is used for seeing through the orthogonal two kinds of linearly polarized lights in polarization direction when powering up, or when not powering up, only see through the linearly polarized light of one of them polarization direction, absorb the linearly polarized light of another polarization direction.
Add dichroic dye in the liquid crystal material of described dichromatism display panel 204; In situation about not powering up, this dichroic dye is to the linearly polarized light component of two quadratures of incident beam, and only selection absorbs one of them and allows second to pass through.The initial orientation of liquid crystal molecule and dye molecule is parallel or antiparallel orientations up and down, and it is parallel or vertical with the incident polarization light polarization direction of passing through this liquid crystal cell.The natural light of incident, the light polarization direction of one component point to liquid crystal molecule and vow parallel being absorbed, and only have another polarisation component to inject.
And when described dichromatism display panel 204 was added voltage, liquid crystal molecule and dye molecule were all along the direction of an electric field orientation, and this moment, two kinds of vertical polarized lights in polarization direction all can pass through.
The invention also discloses a kind of 3D display device, comprising: above-mentioned each described 3D display device, 3D display device described in the utility model can be the devices such as liquid crystal panel, liquid crystal display, LCD TV, mobile phone or palm PC.
In sum, the utility model discloses a kind of 3D display device and 3D display device, utilize 3D display device described in the utility model, need not backlight, under ambient light, just can realize the effect that 3D shows, and this 3D display device is simple in structure, can reduce cost, is conducive to the development of 3D display technique.
Above embodiment only is used for explanation the utility model; and be not limitation of the utility model; the those of ordinary skill in relevant technologies field; in the situation that does not break away from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (14)
1. a 3D display device is characterized in that, comprising:
Reflector element is used for the polarized light of incident is reflected;
Be formed at the polarisation unit on described reflector element reflection ray exit direction one side, be used for converting the natural light of incident to linearly polarized light, or change the polarization direction of the polarized light of described reflector element reflection;
Be formed at the polarization direction regulon on described polarisation unit reflected light line exit direction one side, be used for converting the reflection ray of described polarisation unit outgoing to two groups of polarized lights that the polarization direction is different, described two groups of polarized lights enter respectively the right and left eyes eyeglass of polaroid glasses.
2. 3D display device according to claim 1 is characterized in that, described reflector element comprises:
The total reflection unit is used for incident polarized light is carried out total reflection.
3. 3D display device according to claim 2 is characterized in that, described polarisation unit comprises: display panel is used for converting the linearly polarized light of described reflector element reflection to circularly polarized light;
Be formed at λ on described display panel reflection ray exit direction one side/4 wave plates, be used for converting the linearly polarized light of incident to circularly polarized light, and convert the circularly polarized light of reflection to linearly polarized light;
Be formed at the layer of polarizer on described λ/4 wave plate reflection ray exit directions, one side, be used for converting the natural light of incident to linearly polarized light.
4. 3D display device according to claim 3 is characterized in that, described layer of polarizer is further used for absorbing the polarized light of a polarization direction, and described polarization direction is vertical with the polarization direction of the linearly polarized light that described layer of polarizer converts to.
5. 3D display device according to claim 1 is characterized in that, described reflector element comprises:
The selective reflecting unit is for the polarized light that only reflects a polarization direction.
6. 3D display device according to claim 1 is characterized in that, described reflector element comprises:
Cholesteric liquid crystal layer with planar texture is used for only reflecting left-handed or right-circularly polarized light;
Be formed at λ on described cholesteric liquid crystal layer reflection ray exit direction one side/4 wave plates, the left-handed or right-circularly polarized light that is used for reflecting converts linearly polarized light to.
7. according to claim 5 or 6 described 3D display devices, it is characterized in that described polarisation unit comprises: display panel is used for the predetermined angular of polarization direction rotation with the linearly polarized light of the linearly polarized light of incident and the reflection of described reflector element;
Be formed at the layer of polarizer on described display panel reflection ray exit direction one side, be used for converting the natural light of incident to linearly polarized light.
8. according to claim 5 or 6 described 3D display devices, it is characterized in that described polarisation unit comprises:
The dichromatism display panel is used for seeing through the orthogonal two kinds of linearly polarized lights in polarization direction when powering up, or only sees through the linearly polarized light of one of them polarization direction when not powering up, and absorbs the linearly polarized light of another polarization direction.
9. 3D display device according to claim 5 is characterized in that, further comprises:
Be formed at the absorptive unit of described selective reflecting unit incident ray exit direction one side-lower, be used for absorbing the polarized light of described selective reflecting unit transmission.
10. 3D display device according to claim 1, it is characterized in that, described polaroid glasses are the circularly polarized light glasses, described polarization direction regulon comprises: liquid crystal cell, be used for the polarized light of described reflector element reflection is converted to two groups of polarized lights of in time space arrangement, the polarization direction of described two groups of polarized lights is orthogonal;
Be formed at λ on described liquid crystal cell reflection ray exit direction one side/4 wave plates, be used for converting respectively the mutually perpendicular two groups of polarized lights in polarization direction to the left-right rotary circularly polarized light, described left-right rotary circularly polarized light enters respectively the right and left eyes eyeglass of described polaroid glasses.
11. 3D display device according to claim 1, it is characterized in that, described polarization direction regulon is polarizer, and described polarizer comprises: wide a plurality of strip regions of level or homeotropic alignment, the phase delay of per two adjacent described strip regions differs λ/2.
12. 3D display device according to claim 11, it is characterized in that, described polaroid glasses are the circularly polarized light glasses, and the phase delay of a strip region in described two adjacent strip regions is λ/4, and the phase delay of another strip region is-λ/4.
13. 3D display device according to claim 11 is characterized in that, described polaroid glasses are the linearly polarized light glasses, and the phase delay of a strip region in described two adjacent strip regions is λ/2, and the phase delay of another strip region is 0.
14. a 3D display device is characterized in that, comprising: each described 3D display device among the claim 1-13.
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| CN2012205058626U CN202794719U (en) | 2012-09-28 | 2012-09-28 | 3D display device and 3D display apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| WO2017219407A1 (en) * | 2016-06-22 | 2017-12-28 | 武汉华星光电技术有限公司 | Liquid crystal lens and 3d display |
| CN108169836A (en) * | 2018-01-11 | 2018-06-15 | 宁波维真显示科技股份有限公司 | 3D light polarizing films and its preparation method and application and include its 3D display device and display system |
| CN111610630A (en) * | 2019-02-22 | 2020-09-01 | 舜宇光学（浙江）研究院有限公司 | Display optical machine and method thereof and near-to-eye display equipment |
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2012
- 2012-09-28 CN CN2012205058626U patent/CN202794719U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2017219407A1 (en) * | 2016-06-22 | 2017-12-28 | 武汉华星光电技术有限公司 | Liquid crystal lens and 3d display |
| US10114227B2 (en) | 2016-06-22 | 2018-10-30 | Wuhan China Star Optoelectronics Technology Co., Ltd | Liquid crystal lens and 3D display |
| CN108169836A (en) * | 2018-01-11 | 2018-06-15 | 宁波维真显示科技股份有限公司 | 3D light polarizing films and its preparation method and application and include its 3D display device and display system |
| CN108169836B (en) * | 2018-01-11 | 2020-04-24 | 宁波维真显示科技股份有限公司 | Preparation method and application of 3D polarizing film, 3D display device and display system |
| CN111610630A (en) * | 2019-02-22 | 2020-09-01 | 舜宇光学（浙江）研究院有限公司 | Display optical machine and method thereof and near-to-eye display equipment |
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