CN104216130A - Naked eye 3D display method, device and system with adjustable depth of visual area - Google Patents
Naked eye 3D display method, device and system with adjustable depth of visual area Download PDFInfo
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- CN104216130A CN104216130A CN201410472299.0A CN201410472299A CN104216130A CN 104216130 A CN104216130 A CN 104216130A CN 201410472299 A CN201410472299 A CN 201410472299A CN 104216130 A CN104216130 A CN 104216130A
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Abstract
The invention discloses a naked eye 3D display method, device and system with an adjustable depth of a visual area. The method comprises the steps of: configuring multiple groups of light emitting modules along a direction vertical to an image display layer, wherein each light emitting module corresponds to a visual area; detecting an observation distance between two eyes and the image display layer to obtain an observation position of the two eyes; selecting the light emitting modules corresponding to the visual area where the two eyes are for projection based on the observation position. As suitable light emitting modules are selected through detecting the observation distance between the two eyes and the image display layer, the visual areas corresponding to the light emitting modules are located at the position where the two eyes are.
Description
Technical field
The invention belongs to stereo-picture display field, specifically disclose a kind of bore hole 3D display packing, device and the system with depth vision area.
Background technology
The inevitable technology that bore hole 3D display develops as display field, has attracted the attention of scientific research, industry and amusement circles.The bore hole 3D that the bore hole 3D display technique of main flow mainly contains based on post lens or grating shows main flow framework.By the directional transmissions of image, realize providing anaglyph to eyes, after right and left eyes anaglyph enters right and left eyes image respectively, after brain merges, beholder can be made to see stereoscopic picture plane.
At present based on the bore hole 3D display technique of post lens or grating, ubiquity vision area dessert, namely there is a viewing ratio in right and left eyes simultaneously.In the scope of beholder's a bit of distance before and after this viewing ratio, just can see top quality stereo-picture.But, when user leave this viewing ratio watch time, crosstalk ratio and image conformity all can cause deterioration to a certain degree, and the picture quality of 3D image is declined to a great extent.This seriously limits the viewing degree of freedom of audience.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of bore hole 3D display packing, device and the system with depth vision area, be intended to solve the technological deficiency that only can could obtain better stereo-picture within the specific limits existed in existing 3D display field.
For this reason, the technical scheme that adopts of the bore hole 3D display packing with depth vision area of the present invention is as follows:
There is a bore hole 3D display packing for depth vision area, comprise the following steps:
Configure some illuminating module along the direction perpendicular to image displa layer in different distances, the vision area of the corresponding different viewing distance of described each distance illuminating module, all illuminating module form depth vision area;
In the position near image displa layer, configuration beam shaping Diffusion barrier layer (LSD) increases image show uniformity, is also configured with lens array unit simultaneously.
Detect the relative position between eyes and described image displa layer, obtain the observation place of described eyes, wherein, the light source of corresponding right and left eyes, needs the Flushing status coordinating image-display units right and left eyes anaglyph;
Select illuminating module corresponding to described eyes place vision area to project according to described observation place, form the vision area of different depth.
As the preferred technical scheme of one, also comprise: the luminescence unit adjusting described illuminating module according to described observation place.
The luminescence unit luminance that each vision area is corresponding, needs the Flushing status of synchronous images display unit anaglyph.
The technical scheme that the present invention still further provides the bore hole 3D display device with depth vision area is as follows:
There is a bore hole 3D display device for depth vision area, comprising:
Configuration module, for configuring some illuminating module along the direction perpendicular to image displa layer in different distances, array of lens elements and beam shaping diffusion sheet (LSD) is being configured, the vision area of the corresponding different viewing distance of illuminating module of described each distance near the position of image displa layer; Described all illuminating module form depth vision area.
Detection module, for detecting the relative position between eyes and described image displa layer, obtains the observation place of described eyes.Wherein, the light source of corresponding right and left eyes, needs the Flushing status coordinating image-display units right and left eyes anaglyph;
Adjusting module, for selecting illuminating module corresponding to described eyes place vision area to project according to described observation place, forms the vision area of different depth.
Invention further provides a kind of technical scheme with the bore hole 3D display system of depth vision area as follows:
There is a bore hole 3D display system for depth vision area, comprise backlight unit, beam shaping diffusion sheet (LSD), array of lens elements, image displa layer and the distance detection module for the spacing that detects eyes and described image displa layer,
The side of the close described backlight unit of described image displa layer is provided with beam shaping diffusion sheet (LSD) and array of lens elements;
Described beam shaping diffusion sheet (LSD) is that one can make light a weak diffusion in direction, at the rete that orthogonal direction is spread by force.
Described backlight unit comprises some illuminating module, and described illuminating module is configured along the direction perpendicular to described image displa layer, and described distance detection module is connected with the illuminating module of described backlight unit.
Described illuminating module comprises some luminescence units, and described luminescence unit is combined to form the luminous curved surface of an arc.
As the preferred technical scheme of one, described array of lens elements comprises the array of single or multiple lens forming.
As the preferred technical scheme of one, described array of lens elements comprises fresnel lens array.
As the preferred technical scheme of one, described image-display units comprises a transmissive display panel.
As the preferred technical scheme of one, also comprise a polarizing film, described polarizing film is located between described backlight unit and described image displa layer.
As the preferred technical scheme of one, described polarizing film is located at the side of the close described image displa layer of described illuminating module, and/or is located at the side of close described illuminating module of described array of lens elements.
Bore hole 3D display packing, device and the system with depth vision area of the present invention selects suitable illuminating module by the viewing distance detected between eyes and image displa layer, and the vision area making illuminating module corresponding is in the position at eyes place.Again automatically can adjust illuminating module in the process of eyes movement, in viewing process, top quality stereo-picture can be obtained all the time, improve the viewing degree of freedom of observer.
Accompanying drawing explanation
Fig. 1 is a kind of schematic flow sheet with bore hole 3D display packing one embodiment of depth vision area of the present invention;
Fig. 2 is a kind of structural representation with bore hole 3D display device one embodiment of depth vision area of the present invention;
Fig. 3 a is a kind of structural representation with bore hole 3D display system one embodiment of depth vision area of the present invention, and in figure, eyes are in the nearer position of range image display layer;
Fig. 3 b is a kind of structural representation with bore hole 3D display system one embodiment of depth vision area of the present invention, and in figure, eyes are in range image display layer position far away;
Fig. 4 is a kind of structural representation with another embodiment of bore hole 3D display system of depth vision area of the present invention;
Fig. 5 is a kind of structural representation with the another embodiment of bore hole 3D display system of depth vision area of the present invention;
In figure:
10: backlight unit; 11: the first illuminating module; 111: the first luminescence units; 112: the second luminescence units; 12: the second illuminating module; 121: the three luminescence units; 122: the four luminescence units; 21: beam shaping diffusion sheet (LSD); 22: array of lens elements; 23: image displa layer; 24: polarizing film; 30: vision area unit; 41: right eye; 42: left eye.
Embodiment
Below in conjunction with accompanying drawing, some embodiments of the present invention are described further.The methods, devices and systems that embodiment of the present invention relates to select corresponding illuminating module to project by detecting eyes (such as human eye) with the distance of image displa layer 23, the position at eyes place is within the vision area of 3D display, thus can gives observer good 3D display frame.
A kind of schematic flow sheet with bore hole 3D display packing one embodiment of depth vision area of the present invention see Fig. 1, Fig. 1.In the embodiment shown in Fig. 1, the method comprises:
Step S101: configure some illuminating module in different distances along the direction perpendicular to image displa layer, the vision area of the corresponding different viewing distance of described each distance illuminating module, all illuminating module form depth vision area;
In the position near image displa layer, configuration beam shaping Diffusion barrier layer (LSD) increases image show uniformity.
Step S102: detect the viewing distance between eyes and described image displa layer 23, obtain the observation place of described eyes;
Step S103: select illuminating module corresponding to described eyes place vision area to project according to described observation place.
Some preferred embodiment in, also comprise the luminescence unit adjusting described illuminating module according to described observation place.The 3D display packing that this embodiment relates to can select corresponding illuminating module according to the position of eyes, and the position at eyes place is within the vision area of 3D display.Be moved before and after the position of eyes (such as human eye), rejudge the position that human eye is new.By changing the bright dark state of different depth level backlight, namely can realize " the adjustable bore hole 3D display of viewing ratio ".
A kind of structural representation with bore hole 3D display device one embodiment of depth vision area of the present invention see Fig. 2, Fig. 2.In the embodiment shown in Fig. 2, this has the bore hole 3D display device of depth vision area, comprising:
Configuration module 201, for configuring some illuminating module along the direction perpendicular to image displa layer in different distances, array of lens elements and beam shaping diffusion sheet (LSD) is being configured, the vision area of the corresponding different viewing distance of illuminating module of described each distance near the position of image displa layer; Described all illuminating module form depth vision area; ;
Detection module 202, for detecting the viewing distance between eyes and described image displa layer 23, obtains the observation place of described eyes;
Adjusting module 203, projects for selecting illuminating module corresponding to described eyes place vision area according to described observation place.
Illuminating module, by configuration module, configures along the direction perpendicular to image displa layer 23 by this device.In use, the relative position between eyes and described image displa layer 23 is detected by detection module, obtain the observation place of described eyes, then select corresponding illuminating module by adjusting module, the position at eyes place is within the vision area of 3D display.Be moved before and after the position of eyes (such as human eye), rejudge the position that human eye is new.By changing the bright dark state of different depth level backlight, realizing " the adjustable bore hole 3D display of viewing ratio ", namely can realize the bore hole 3D display with depth vision area.
Be a kind of structural representation with bore hole 3D display system one embodiment of depth vision area of the present invention see Fig. 3 a and Fig. 3 b, Fig. 3 a, in figure, eyes are in the nearer position of range image display layer 23; Fig. 3 b is a kind of structural representation with bore hole 3D display system one embodiment of depth vision area of the present invention, and in figure, eyes are in range image display layer 23 position far away.In the embodiment of a kind of bore hole 3D display system with depth vision area shown in Fig. 3 a and Fig. 3 b, it comprises backlight unit 10, image displa layer 23 and the distance detection module for the spacing that detects eyes and described image displa layer 23, and the side of the close described backlight unit 10 of image displa layer 23 is provided with beam shaping diffusion sheet (LSD) 21 and array of lens elements 22.
Described backlight unit 10 comprises some illuminating module, described illuminating module is configured along the direction perpendicular to described image displa layer 23, namely illuminating module is configured along the direction of range image display layer 23 distance, and each illuminating module is all different from the distance of image displa layer 23.Therefore, the vision area that each illuminating module is corresponding also exists different from the distance of image displa layer 23.For convenience of explanation, in the embodiment shown in Fig. 3 a and Fig. 3 b, backlight unit 10 only just show the illuminating module that two edges configure perpendicular to image displa layer 23 direction: the first illuminating module 11 and the second illuminating module 12, wherein the first illuminating module 11 range image display layer 23 is comparatively far away, and the second illuminating module 12 range image display layer 23 is nearer.But in actual applications, the quantity of illuminating module can be arranged according to actual conditions, and the present invention is not restricted this.
In the present embodiment, each backlight module comprises several luminescence units, and the bright dark state of each luminescence unit and on off state can independently control.These luminescence units in backlight module distribute along curved surface camber.Described backlight module is for for while providing illumination, and the luminescence unit in backlight module, also for coordinating beam shaping diffusion sheet (LSD) 21 and array of lens elements 22 to form vision area.Equally, for convenience of explanation, the first illuminating module 11 in embodiment in Fig. 3 a and Fig. 3 b only show the first luminescence unit 111 and the second luminescence unit 112, and the second illuminating module 12 only show the 3rd luminescence unit 121 and the 4th luminescence unit 122.But in actual applications, the quantity of the luminescence unit of illuminating module can be arranged according to actual conditions, and the present invention is not restricted this.
The light that luminescence unit sends is by beam shaping diffusion sheet (LSD) 21, and array of lens elements 22 and image-display units are to form corresponding vision area unit 30.The vision area that the adjacent light-emitting units of same backlight module coordinates Diffusion barrier layer and array of lens elements 22 to be formed should be continuously continual.
Described image displa layer 23 is display panels of a transmission-type.Liquid crystal panel in the present embodiment, for the mode Alternation Display anaglyph of time-division.This liquid crystal panel is arranged on the front of optical film,
Described Diffusion barrier layer can be weak Diffusion barrier layer, or one dimension but the Diffusion barrier layer spread by force in orthogonal dimensions, or the rete of above-mentioned two kinds of rete functions combination, it, for making Showing Effectiveness On Screen more even, reaches the effect optimizing vision area brightness uniformity and expansion visual angle.
Described array of lens elements 22 comprises the array of single or multiple lens forming, such as fresnel lens array.
Wherein, the position of Diffusion barrier layer and array of lens elements 22 can exchange, and Diffusion barrier layer is placed in the side near backlight in the present embodiment.
Distance detection module for detecting the distance of eyes and image displa layer 23, and is connected with illuminating module.Distance detection module can be carry out identification to human eye or face to detect, such as, can be face recognition module or eye recognition module.
In the embodiment shown in Fig. 3 a, the light that the first luminescence unit 111 sends, after Diffusion barrier layer and array of lens elements 22, coordinates image displa layer 23 (liquid crystal panel) to load left image, makes left image main beam pass to left eye 42 place vision area; In like manner, the second luminescence unit 112 can form eye image vision area, forms the bore hole 3D vision area unit 30 being applicable to closely watching.Simultaneously, in fig 3b, close the first luminescence unit 111 and the second luminescence unit 112, open the 3rd luminescence unit 121 in another degree of depth level backlight module (the second backlight module) and the 4th luminescence unit 122, the bore hole 3D vision area unit 30 being applicable to remote viewing can be formed.By the opening and closing of luminescence unit in the backlight module of this control different depth level, realize the adjustment of viewing ratio.
When people is positioned at as shown in Figure 3 a, during from position close to image displa layer 23, the first luminescence unit 111 in the first backlight module and the second luminescence unit 112 are unlocked.The light of the first luminescence unit 111 and the second luminescence unit 112, after beam shaping diffusion sheet (LSD) and lens unit and image displa layer 23 (i.e. display panels), forms corresponding right and left eyes vision area respectively.Because the first luminescence unit 111 and the second luminescence unit 112 are far away apart from beam shaping diffusion sheet (LSD), lens unit, display panels, so the vision area distance screen formed is comparatively near, people can be met and watch good stereopsis in nearer distance.Wherein, when left-eye image appears in image displa layer 23 (i.e. display panels) refreshing, open the first luminescence unit 111, close the second luminescence unit 112, make left eye main beam load left-eye image and import time zone, left eye place into; When eye image appears in image displa layer 23 (display panels) refreshing, close the first luminescence unit 111, open the second luminescence unit 112, make right eye 41 main beam load eye image and import time zone, right eye 41 place into.
When the position of user is moved to the position be positioned at as shown in Figure 3 b backward, distance detection module (such as face recognition module or eye recognition module) in system, identify the right and left eyes of user gradually away from screen, and judge the position that user's right and left eyes is new.The 3rd luminescence unit 121 in second backlight module of respective user right and left eyes position and the 4th luminescence unit 122, coordinate Diffusion barrier layer, lens unit and image displa layer 23, form corresponding images of left and right eyes vision area, project new position, is namely to be projected in the middle of distance screen vision area far away.Wherein, when left-eye image appears in image displa layer 23 refreshing, open the 3rd luminescence unit 121, close the 4th luminescence unit 122, make left eye main beam load left-eye image and import time zone, left eye 42 place into; When eye image appears in image displa layer 23 refreshing, close the 3rd luminescence unit 121, open the 4th luminescence unit 122, make right eye main beam load eye image and import time zone, right eye 41 place into.
Shown in embodiment shown in Fig. 3 a and Fig. 3 b is only the structure of a lens unit, composition such as two backlight modules, Diffusion barrier layer etc., but multiple such structure may be there is in practical application, the solid formed as shown in Figure 4 affects display structure, and its backlight unit 10 has multiple backlight module.
As shown in Figure 5, Fig. 5 is a kind of structural representation with the another embodiment of bore hole 3D display system of depth vision area of the present invention.In the embodiment illustrated in figure 5, this system can also arrange polarizing film 24 before each illuminating module, corresponding polarizing film 24 is also set before each lens unit simultaneously, polarizing film 24 wherein before adjacent backlight module is different, and the polarizing film 24 of adjacent lens cells laminating is also different.Concrete for one of them backlight module, by arranging polarizing film 24 before each backlight module, the polarizing film wherein arranged before adjacent backlight module is different as shown in Figure 5, is alternately arrangement.The polarizing film arranged before adjacent lens cells array is also different, in what alternately arrange.The light that each backlight module sends, through corresponding lens unit, but can be difficult to through adjacent lens unit.In the present embodiment, described rete order be in polarizing film 24, beam shaping diffusion sheet (LSD), array of lens elements rete tactic.But the order of actual above-mentioned 3 retes can be arbitrary.
As can be seen from some embodiments above, bore hole 3D display packing, device and the system with depth vision area of the present invention selects suitable illuminating module by the viewing distance detected between eyes and image displa layer 23, and the vision area making illuminating module corresponding is in the position at eyes place.Again automatically can adjust illuminating module in the process of eyes movement, in viewing process, top quality stereo-picture can be obtained all the time, improve the viewing degree of freedom of observer.
Should be appreciated that, the present invention is not limited to above-mentioned embodiment, every the spirit and scope of the present invention are not departed to various change of the present invention or modification, if these are changed and modification belongs within claim of the present invention and equivalent technologies scope, then the present invention also means that comprising these changes and modification.
Claims (10)
1. there is a bore hole 3D display packing for depth vision area, it is characterized in that, comprise the following steps:
Configure some illuminating module along the direction perpendicular to image displa layer in different distances, the vision area of the corresponding different viewing distance of described each distance illuminating module, described illuminating module forms depth vision area; In addition, in the position near image displa layer, configuration beam shaping Diffusion barrier layer and lens array unit;
Detect the relative position between eyes and described image displa layer, obtain the observation place of described eyes, wherein, the light source of corresponding right and left eyes, needs the Flushing status coordinating image-display units right and left eyes anaglyph;
Select illuminating module corresponding to described eyes place vision area to project according to described observation place, form the vision area of different depth.
2. there is the bore hole 3D display packing of depth vision area as claimed in claim 1, it is characterized in that: also comprise: the luminescence unit adjusting described illuminating module according to described observation place.
3. there is a bore hole 3D display device for depth vision area, it is characterized in that comprising:
Configuration module, for configuring some illuminating module along the direction perpendicular to image displa layer in different distances, array of lens elements and beam shaping diffusion sheet is being configured near the position of image displa layer, the vision area of the corresponding different viewing distance of illuminating module of described each distance, described all illuminating module form depth vision area;
Detection module, for detecting the relative position between eyes and described image displa layer, obtains the observation place of described eyes, and wherein, the light source of corresponding right and left eyes, needs the Flushing status coordinating image-display units right and left eyes anaglyph;
Adjusting module, for selecting illuminating module corresponding to described eyes place vision area to project according to described observation place, forms the vision area of different depth.
4. one kind has the bore hole 3D display system of depth vision area, comprise backlight unit, beam shaping diffusion sheet (LSD), array of lens elements, image displa layer and the distance detection module for the spacing that detects eyes and described image displa layer, it is characterized in that:
The side of the close described backlight unit of described image displa layer is provided with described beam shaping diffusion sheet (LSD) and array of lens elements;
Described backlight unit comprises some illuminating module, and described illuminating module is configured along the direction perpendicular to described image displa layer, and described distance detection module is connected with the illuminating module of described backlight unit.
5. have the bore hole 3D display system of depth vision area as claimed in claim 4, it is characterized in that: described illuminating module comprises some luminescence units, described luminescence unit is combined to form the luminous curved surface of an arc.
6. there is the bore hole 3D display system of depth vision area as claimed in claim 5, it is characterized in that: described array of lens elements comprises the array of single or multiple lens forming.
7. there is the bore hole 3D display system of depth vision area as claimed in claim 6, it is characterized in that: described array of lens elements comprises fresnel lens array.
8. there is the bore hole 3D display system of depth vision area as claimed in claim 4, it is characterized in that: described image-display units comprises a transmissive display panel.
9. have the bore hole 3D display system of depth vision area as claimed in claim 4, it is characterized in that: also comprise a polarizing film, described polarizing film is located between described backlight unit and described image displa layer.
10. there is the bore hole 3D display system of depth vision area as claimed in claim 9, it is characterized in that: described polarizing film is located at the side of the close described image displa layer of described illuminating module, and/or be located at the side of close described illuminating module of described array of lens elements.
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| CN201410472299.0A CN104216130A (en) | 2014-09-16 | 2014-09-16 | Naked eye 3D display method, device and system with adjustable depth of visual area |
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| CN201410472299.0A CN104216130A (en) | 2014-09-16 | 2014-09-16 | Naked eye 3D display method, device and system with adjustable depth of visual area |
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| CN106019613A (en) * | 2016-07-27 | 2016-10-12 | 佛山市英视通电子科技有限公司 | Directive backlight stereo display device |
| CN106773084A (en) * | 2016-12-27 | 2017-05-31 | 广州弥德科技有限公司 | The collapsible naked-eye stereoscopic display system for pointing to backlight and lens array |
| CN106842595A (en) * | 2017-01-16 | 2017-06-13 | 广州弥德科技有限公司 | The directive property backlight type bore hole 3D display device and method of control can be overlapped |
| CN107908014A (en) * | 2017-12-28 | 2018-04-13 | 广州弥德科技有限公司 | A kind of large scale directive property backlight bore hole 3D display system |
| CN108156446A (en) * | 2017-12-28 | 2018-06-12 | 广州弥德科技有限公司 | A kind of the vision area dividing system and method for the backlight stereoscopic display of depth adjustable directivity |
| CN109358432A (en) * | 2018-12-11 | 2019-02-19 | 北京小米移动软件有限公司 | Liquid crystal display device |
| CN109528156A (en) * | 2018-11-21 | 2019-03-29 | 广州弥德科技有限公司 | A kind of self-help intelligent visual function screening system |
| CN114114679A (en) * | 2021-11-26 | 2022-03-01 | 中山大学 | Depth-control directional illumination display system and method |
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| CN114114679A (en) * | 2021-11-26 | 2022-03-01 | 中山大学 | Depth-control directional illumination display system and method |
| CN114114679B (en) * | 2021-11-26 | 2024-04-05 | 中山大学 | Depth-control directional illumination display system and method |
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