CN108873362A - 3D display device and 3D copic viewing system - Google Patents
3D display device and 3D copic viewing system Download PDFInfo
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- CN108873362A CN108873362A CN201810718832.5A CN201810718832A CN108873362A CN 108873362 A CN108873362 A CN 108873362A CN 201810718832 A CN201810718832 A CN 201810718832A CN 108873362 A CN108873362 A CN 108873362A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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Abstract
This application discloses a kind of 3D display device and 3D copic viewing system, display includes the first grating layer, the second grating layer and the 2D panel layer of lamination setting, the adjustable setting of the first grating layer light transmission zone position, the adjustable setting of the second grating layer refractive index.According to technical solution provided by the embodiments of the present application, by increasing the second grating layer of setting between the first grating layer and 2D panel layer, the variation of the equivalent placing height of the second grating layer is realized by the variation of liquid-crystal refractive-index in the second grating layer, the variation of equivalent placing height between the first grating layer and 2D panel layer is realized, so that human eye is close in viewing or can realize preferable 3D viewing effect far from 3D display device.
Description
Technical field
The present disclosure relates generally to display fields, more particularly to can 3D display device and 3D copic viewing system.
Background technique
There are viewing ratios for traditional liquid crystal grating, and in viewing ratio, left eye and right eye can be watched pair respectively
The left view and right view answered, crosstalk is smaller, and 3D effect is best.But when spectators' off-target viewing distance, i.e. human eye is opposite
When screen all around moves, human eye can not independently watch respective view, and crosstalk significantly increases, and 3D effect is deteriorated.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of 3D display device and 3D copic viewing system.
In a first aspect, a kind of 3D display device is provided, the first grating layer, the second grating layer and 2D panel including lamination setting
Layer, the adjustable setting of the first grating layer light transmission zone position, the adjustable setting of the second grating layer refractive index.
Second aspect provides a kind of 3D copic viewing system based on 3D display device, including above-mentioned 3D display device, setting described
The upper human eye follow-up mechanism and processing module of 3D display device；
The human eye follow-up mechanism is for measuring the distance between human eye and the 3D display device；
The processing module is used to be controlled in the 3D display device according to the distance between human eye and the 3D display device
First grating layer transparent area change in location and/or the second grating layer variations in refractive index.
According to technical solution provided by the embodiments of the present application, it is arranged by increasing between the first grating layer and 2D panel layer
Second grating layer realizes the change of the equivalent placing height of the second grating layer by the variation of liquid-crystal refractive-index in the second grating layer
Change, that is, realize the variation of equivalent placing height between the first grating layer and 2D panel layer so that human eye viewing when it is close or
Preferable 3D viewing effect can be realized far from 3D display device.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon：
3D display device structural schematic diagram in Fig. 1 one embodiment of the invention；
3D display device structural schematic diagram in Fig. 2 another embodiment of the present invention；
Fig. 3-5 is that the second grating layer liquid-crystal refractive-index changes structural schematic diagram in the embodiment of the present invention；
Fig. 6-Fig. 7 is the index path in the embodiment of the present invention under different viewing distances；
Fig. 8 is x/y/z to visible space schematic diagram；
Fig. 9 calculates schematic diagram to visible space for x；
Figure 10 is that human eye moves out existing crosstalk schematic diagram；
Figure 11 is 3D display device visible space calculated result in the embodiment of the present invention；
Figure 12 is x to freely watching the first grating layer electrode control schematic diagram.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 and Fig. 2 are please referred to, the present embodiment provides a kind of 3D display device, the first grating layer 11 including lamination setting, the
Two grating layers 12 and 2D panel layer 13, the 11 adjustable setting of light transmission zone position of the first grating layer, 12 folding of the second grating layer
Penetrate the adjustable setting of rate.
3D display device provided in this embodiment provides setting two grating layers, and the light transmission zone position of the first grating layer is adjustable,
According to the first grating layer light transmission zone position of the corresponding adjusting in shift position of the human eye to screen, so that human eye is relative to a screen left side
Viewing will not be generated when moving right to be influenced；The second grating layer refractive index is adjustable simultaneously, that is, realizes the first grating layer and 2D panel layer
Between equivalent placing height variation so that human eye can realize that preferable 3D is seen close to or far from 3D display device in viewing
See effect.
Further, 11 structure of the first grating layer is identical as 12 structure of the second grating layer.It is mentioned in the present embodiment
It is identical as the second grating layer structure for the first grating layer, it is carried out by electrode the first grating layer of control and the second grating layer different
Variation realizes that the multi-angle 3D of the display is freely watched.
Further, first grating layer 11 or second grating layer 12 include first substrate 9 and the second substrate
1, liquid crystal layer 6 is equipped between the first substrate 9 and the second substrate 1, between the liquid crystal layer 6 and the second substrate 1
First alignment layer 3 and insulating layer 2 is arranged in sequence, first electrode column 5, the insulating layer 2 are equipped at intervals in the first alignment layer 3
On be equipped at intervals with second electrode column 4, the first electrode column 5 is arranged with the second electrode column 4 interval.
It is illustrated in figure 3 the second grating schematic diagram of a layer structure, the first grating layer structure is identical as the second grating layer structure, and two
Person is all made of duallayered electrode structure, eliminates the incomplete problem of liquid crystal deflection between single-layer electrodes.It is as shown in Figures 3 to 5 the
The different structural schematic diagram of liquid crystal layer refractive index in two grating layers, Fig. 3 is the situation of the second grating layer refractive index minimum, right at this time
The optics placing height answered is maximum, and corresponding display viewing distance is farthest at this time；Fig. 4 is the second grating layer refractive index between most
A kind of situation between minimum greatly, corresponding optics placing height between minimum and maximum, at this time viewing distance between
Between most distant and nearest；Fig. 5 is the second maximum situation of grating layer refractive index, and corresponding optics placing height is minimum, is corresponded at this time
Display viewing distance it is nearest, Fig. 6 is the index path in Fig. 3-Fig. 5 under different viewing distances, and Fig. 7 is to increase the second grating
Layer, and index path when such as variation of Fig. 3 to Fig. 5 of the liquid crystal layer refractive index generation in the second grating layer；Pass through in the present embodiment
Increase the second grating layer of setting, guarantees that actual range is constant between the first grating layer and 2D panel layer, by changing the second grating
The deflection angle of the refraction index changing light of layer, reaches human eye when the distance of range display changes, 3D viewing effect
It will not be affected.
Further, common electrode layer 8 and second orientation layer are additionally provided between the first substrate 9 and the liquid crystal layer 6
9.The first grating layer and the second grating layer in the present embodiment are additionally provided with common electrode layer and second orientation layer, realize grating layer
It works normally.
Further, first grating layer 11 and second grating layer 12, second grating layer 12 and the 2D
Glue-line 14 is connected separately between panel layer 13.The mode for present embodiments providing a kind of 3D display device connection, by the first light
Grid layer is connected by glue-line respectively with the second grating layer, the second grating layer with 2D panel layer, by changing the first grating layer
Light transmission zone position and the liquid crystal layer refractive index of the second grating layer realize that 3D is freely watched.
Further, the of the first substrate of first grating layer 11 or the second substrate and second grating layer 12
One substrate or the second substrate are same substrate, are connected with glue-line between second grating layer 12 and the 2D panel layer 13
14.The present embodiment additionally provides another connection type, will be connected between the second grating layer and 2D panel layer by glue-line, first
Grating layer is identical as the second grating layer structure, and outermost is substrate, therefore the first grating layer can be shared with the second grating layer
One laminar substrate is all provided with the structures such as circuits in the substrate two sides, and the structure provided in the present embodiment is relative to another implementation
For structure in example, thickness is thinned.
Further, the first grating layer transparent area aperture opening ratio is 30%-50%.When human eye moves along the vertical direction
When, in order to meet freely watching when human eye moves in this direction, set the transparent area aperture opening ratio of the first grating layer to
30%-50% can guarantee, be illustrated below according to specific example, wherein be preferable to provide the saturating of the first grating layer
Light area aperture opening ratio is 50%.
In order to illustrate human eye viewing freedom, need to calculate different directions visible space, as shown in Figure 8.With
Illustrate the direction x/y/z visible space for the 3D display device of 13.3inch, 8K, BV3, wherein the direction x is human eye relative to screen
The direction moved left and right, the direction y are the direction that moves up and down relative to screen of human eye, and the direction z is human eye close to or far from screen
The direction of curtain.Wherein, x calculates schematic diagram as shown in figure 9, calculating step is to visible space：Viewing ratio is determined first；
Then human eye horizontal direction movable distance, i.e. A1A2/A3A4 length are determined；By display screen AA area edge sub-pixel light deflection
Angle determines visible space.Due to human eye along y or z to x when moving, can be converted into mobile component, therefore y/z is to visual sky
Between calculate can be converted into x to visible space calculate.
As shown in Figure 10, corresponding due to no longer meeting human eye, grating, 2D panel when human eye is moved along x or the direction y or z
Hiding relation makes other view informations enter human eye, crosstalk will occurs.Therefore the present invention, which illustrates, makes human eye along x/y/z
Direction can obtain the solution of best 3D effect when moving freely.
It is as shown in figure 11 the 2D display screen of 13.3inch, 8K, BV3, oblique raster is in best viewing location visible space
It calculates relevant parameter and as a result, obtaining the direction x/y/z watches being described as follows for free effect：
X is to free viewing：It is as shown in figure 12 the first grating layer electrode control schematic diagram, it is false under limit process conditions
If ITO electrode width is 2 μm, each screen periods is divided into 25 grades.It is that best viewing location time gate control shows on the left of Figure 12
It is intended to, right side is that human eye moves horizontally and (be moved to right side by left side) counter electrode control schematic diagram.By the way that screen periods are divided
At several shelves, change light transmission zone position when human eye is mobile, can solve the problems, such as that human eye, to crosstalk occurs when moving, guarantees x along x
To free viewing.
Y is to free viewing：When human eye moves and x to can be converted to y to movement when moving along y along grating slope direction
To movement, wherein crosstalk will not be generated along grating slope direction, and x can then generate crosstalk to component.By taking two viewpoints as an example, due to
Pixel arrangement has periodically, as the movement of human eye is able to satisfy demand of the human eye less than 10% crosstalk within each period.
It therefore, is 50% by the transparent area aperture opening ratio of the first grating layer, it is ensured that y is to free viewing.
Z is to free viewing：Change practical placing height by changing liquid-crystal refractive-index.When human eye along z to when moving, can lead to
It crosses change energization situation and changes liquid-crystal refractive-index, and then achieve the effect that placing height is variable, it is ensured that z is to free viewing.
By the moving direction according to human eye and apart from the transparent area aperture opening ratio for changing the first grating layer in the present embodiment
And second grating layer refractive index, realize that 3D display device is freely watched.
The present embodiment also provides a kind of 3D copic viewing system based on 3D display device, including above-mentioned 3D display device, setting in institute
State the upper human eye follow-up mechanism and processing module of 3D display device；
The human eye follow-up mechanism is for measuring the distance between human eye and the 3D display device；
The processing module is used to be controlled in the 3D display device according to the distance between human eye and the 3D display device
First grating layer transparent area change in location and/or the second grating layer variations in refractive index.
Human eye is measured relative to the distance between 3D display device by human eye follow-up mechanism in the present embodiment, according to
The variation of the distance controls the control mode of electrode in the 3D display device, further controls the parameter etc. of each grating layer, such as
First grating layer transparent area change in location or the second grating layer variations in refractive index realize freely watching for 3D display device.Human eye
Follow-up mechanism detects the position of human eye, the data being converted into coordinate as shown in Figure 8, when human eye is moved along x-axis or so
When dynamic, the light transmission zone position of the first grating layer also follows the position of human eye to be changed；When human eye is moved along the z-axis, close to aobvious
Show device or all the refractive index of the second grating layer is adjusted far from display；The transparent area aperture opening ratio of first grating layer is set
It is set to 50%, then can guarantee that human eye is moved along y-axis can normally watch.
Further, the processing module control second grating layer refractive index and human eye away from the 3D display device it
Between distance it is negatively correlated.
Further, the processing module controls the first grating layer transparent area and moves horizontally the synchronous shifting in direction along human eye
It is dynamic.
The present embodiment passes through the second grating by increasing the second grating layer of setting between the first grating layer and 2D panel layer
The variation of the equivalent placing height of the second grating layer is realized in the variation of liquid-crystal refractive-index in layer, that is, realizes the first grating layer and the face 2D
The variation of equivalent placing height between plate layer, so that human eye is close in viewing or can realize preferably far from 3D display device
3D viewing effect, with reference to Fig. 7, when human eye is close to display, the refractive index of the second grating layer becomes larger, when human eye is far from display
When, the refractive index of the second grating layer becomes smaller；With reference to Figure 12, human eye is moved horizontally, and the transparent area of the first grating layer also moves.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of 3D display device, which is characterized in that the first grating layer, the second grating layer and 2D panel layer including lamination setting,
The adjustable setting of the first grating layer light transmission zone position, the adjustable setting of the second grating layer refractive index.
2. 3D display device according to claim 1, which is characterized in that the first grating layer structure and second grating
Layer structure is identical.
3. 3D display device according to claim 2, which is characterized in that first grating layer or second grating layer
Including first substrate and the second substrate, between the first substrate and the second substrate be equipped with liquid crystal layer, the liquid crystal layer with
First alignment layer and insulating layer are arranged in sequence between the second substrate, is equipped at intervals with first electrode in the first alignment layer
Column is equipped at intervals with second electrode column on the insulating layer, and the first electrode column and the second electrode intercolumniation are every setting.
4. 3D display device according to claim 3, which is characterized in that also set between the first substrate and the liquid crystal layer
There are common electrode layer and second orientation layer.
5. 3D display device according to claim 1 to 4, which is characterized in that first grating layer and second light
Glue-line is connected separately between grid layer, second grating layer and the 2D panel layer.
6. 3D display device according to claim 1 to 4, which is characterized in that the first substrate of first grating layer or
The first substrate or the second substrate of person's the second substrate and second grating layer are same substrate, second grating layer and institute
It states and is connected with glue-line between 2D panel layer.
7. 3D display device according to claim 1, which is characterized in that the first grating layer transparent area aperture opening ratio is
30%-50%.
8. a kind of 3D copic viewing system based on 3D display device, including as described in claim 1-7 is any 3D display device, be arranged in institute
State the upper human eye follow-up mechanism and processing module of 3D display device；
The human eye follow-up mechanism is for measuring the distance between human eye and the 3D display device；
The processing module is used to control first in the 3D display device according to the distance between human eye and the 3D display device
Grating layer transparent area change in location and/or the second grating layer variations in refractive index.
9. the 3D copic viewing system according to claim 8 based on 3D display device, which is characterized in that the processing module control
The refractive index and human eye of second grating layer are negatively correlated away from the distance between the 3D display device.
10. the 3D copic viewing system according to claim 8 based on 3D display device, which is characterized in that the processing module control
It makes the first grating layer transparent area and moves horizontally direction synchronizing moving along human eye.
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| CN201810718832.5A CN108873362A (en) | 2018-07-03 | 2018-07-03 | 3D display device and 3D copic viewing system |
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| US12130452B2 (en) | 2022-01-26 | 2024-10-29 | Hefei Boe Optoelectronics Technology Co., Ltd. | Grating adjusting apparatus and 3D display apparatus |
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Application publication date: 20181123 |