CN106842595A - The directive property backlight type bore hole 3D display device and method of control can be overlapped - Google Patents
The directive property backlight type bore hole 3D display device and method of control can be overlapped Download PDFInfo
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- CN106842595A CN106842595A CN201710029123.1A CN201710029123A CN106842595A CN 106842595 A CN106842595 A CN 106842595A CN 201710029123 A CN201710029123 A CN 201710029123A CN 106842595 A CN106842595 A CN 106842595A
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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
The invention discloses a kind of directive property backlight type bore hole 3D display device and method for overlapping control, the display methods includes the relative position of detection point of observation and image displa layer；Vision area according to residing for the relative position determines the point of observation；Vision area according to residing for the point of observation, controls the luminous unit of some independences of some back light units to be combined to form some newly luminous tuples, and the light that some new luminous tuples send images in the vision area residing for the point of observation through lens array film layer；When the point of observation is moved, repeat the above steps.This invention ensures that beholder can obtain the 3D stereo-pictures of high-quality during whole observation, the viewing freedom of beholder is improve, optimize the experience sense of beholder.
Description
Technical field
The present invention relates to image display arts, and in particular to a kind of directive property backlight type bore hole 3D for overlapping control shows
Apparatus and method.
Background technology
3D bore holes technology can make one to produce visual illusion, two dimensional surface effect is perceived as into 3 D stereo, so as to realize
Visual effect distils.Because to realize that virtual reality simulation provides possibility, it is in industries such as medical treatment, medium, industry, agriculturals
Extremely strong development potentiality is all shown, the fervent concern of media is obtained rapidly.At present, 3D markets are developed by bore hole 3D technology
Go out the equipment such as 3D, 4D virtual game glasses, 3D bore hole mobile phones, realize the presentation of small angle high-quality bore hole 3D effect, start the whole people
3D experiences upsurge, is that driving source has been poured into the further development of 3D bore hole technologies.
But, 3D bore hole technologies be applied to family expenses show, commercial display, virtual reality space simulation etc. it is medium-and-large-sized
During 3D bore hole display devices, generally existing cannot obtain the viewing effect of high-quality, and viewing scope is limited serious, experience sense substantially compared with
A series of problems, such as difference.
Therefore, expand 3D bore holes display view angle and optimization overall brightness uniformly improves viewing effect and becomes at this stage
The most crucial problem of 3D bore holes technology development.
The content of the invention
It is an object of the invention to provide a kind of directive property backlight type bore hole 3D display methods and device for overlapping control,
It can be solved the problems, such as or part solves that existing bore hole 3D display devices viewing visual angle is limited, viewing effect is poor.
In order to realize foregoing invention purpose, the technical solution adopted in the present invention is as follows：
An embodiment of the invention provides a kind of directive property backlight type bore hole 3D display device for overlapping control, its
Including image displa layer, for showing vision area image；
Backlight, its side for being arranged on described image display layer, the backlight includes some back light units, each
Back light unit is configured with a luminous tuple, and the luminous tuple includes the luminous unit of some independences；
Lens array film layer, it is arranged between described image display layer and the backlight；
Beam shaping Diffusion barrier layer, located at the opposite side of described image display layer, for detecting that point of observation and image show
The relative position of layer, and the vision area according to residing for the relative position determines the point of observation；
Adjustment unit, the vision area according to residing for the point of observation controls some independences of some back light units to light
Unit is combined to form some newly luminous tuples, the light that some new luminous tuples send through the lens array film layer,
Image in the vision area residing for the point of observation.
As a kind of specific embodiment, when the backlight comprises only single back light unit, the new luminous unit
Group is the combination of any in the luminous unit of some independences of the single back light unit.
It is described new luminous when the backlight includes at least two back light units as a kind of specific embodiment
Tuple is：
Any individual combination in the luminous unit of some independences of some back light unit；Or at least two back light unit institute
There is the combination of any in independent luminous unit, and constitute several units that independently light of the new luminous tuple and be distributed at least
In two back light units.
Further, at least two back light unit forms described using the arc-shaped connecting method on a free form surface
Backlight.
Used as a kind of specific embodiment, the lens array film layer is by some arc-shaped Fresnels on a free form surface
Lens unit is spliced.
Used as a kind of specific embodiment, described image display layer is spliced by some LCD Panels.
Further, on some LCD Panels, it is each configured with beam shaping Diffusion barrier layer.
Another embodiment of the invention provides a kind of directive property backlight type bore hole 3D display methods for overlapping control,
It is comprised the following steps：
The relative position of detection point of observation and image displa layer；
Vision area according to residing for the relative position determines the point of observation；
Vision area according to residing for the point of observation, controls the luminous unit of some independences of some back light units to be combined to be formed
Some newly luminous tuples, the light that some new luminous tuples send images in the point of observation institute through lens array film layer
The vision area at place；
When the point of observation is moved, repeat the above steps.
The technical scheme that the present invention is provided has the advantages that：
According to the present invention it is possible to a kind of directive property backlight type bore hole 3D display device and method for overlapping control is provided,
It changes the luminous unit of image displa layer opposite side and combines by detecting the relative position of point of observation and display image layer, makes
, in the vision area where point of observation, constantly adjustment is luminous during point of observation is moved for the image formation by rays that the unit's combination that must light sends
Unit's combination makes its correspondence now place vision area, it is ensured that beholder can obtain the 3D stereograms of high-quality during whole observation
Picture, improves the viewing freedom of beholder, optimizes the experience sense of beholder.
Brief description of the drawings
Fig. 1 is the structured flowchart of the directive property backlight type bore hole 3D display device for overlapping control of the invention；
Fig. 2 is the structure of the directive property backlight type bore hole 3D display device of the overlapped control of the first embodiment of the invention
Schematic diagram；
Fig. 3 is two spliced structural representations of back light unit of embodiments of the invention；
Fig. 3 a are a kind of group of luminous unit of any in the luminous unit of all independences in Fig. 3 after two back light units splicings
Close figure；
Fig. 3 b are any another kinds of the unit that lights in the luminous unit of all independences in Fig. 3 after two back light units splicings
Constitutional diagram；
Fig. 3 c are any another kinds of the unit that lights in the luminous unit of all independences in Fig. 3 after two back light units splicings
Constitutional diagram；
Fig. 3 d are any another kinds of the unit that lights in the luminous unit of all independences in Fig. 3 after two back light units splicings
Constitutional diagram；
Fig. 4 a are the knots of the directive property backlight type bore hole 3D display device of the overlapped control of second embodiment of the invention
Structure schematic diagram, in figure, given viewpoint is in initial position；
Fig. 4 b are the structural representations after the point of observation movement in initial position in Fig. 4 a；
Fig. 5 is the smooth block diagram of the directive property backlight type bore hole 3D display methods that can overlap control.
Fig. 6 is the structure of the directive property backlight type bore hole 3D display device of the overlapped control of the third embodiment of the invention
Schematic diagram.
Specific embodiment
In order to be fully understood from the purpose of the present invention, feature and effect, below with reference to accompanying drawing to design of the invention, tool
Body structure and the technique effect of generation are described further.
A kind of directive property backlight type bore hole 3D display device for overlapping control is the embodiment of the invention provides, such as Fig. 1 institutes
Show, the directive property backlight type bore hole 3D display device for overlapping control includes：
Display portion 21：
Wherein, the display portion 21 includes image displa layer 32, backlight 10 and lens array film layer 31.Such as Fig. 2 institutes
Show, described image display layer 32, for showing the image of vision area 40；The backlight 10, it is arranged on described image display layer 32
Side；The lens array film layer 31, it is arranged between described image display layer 32 and the backlight 10.The backlight
The light that source 10 sends images in the vision area 40 residing for user's point of observation, the vision area 40 through the lens array film layer 31
In the opposite side of described image display layer 31.
Wherein, as shown in Fig. 2 the backlight 10 includes some back light units 11, each back light unit 11 is configured with
One luminous tuple, the luminous tuple includes the luminous unit 110 of some independences.
Detection part 22：
The detection part includes：Beam shaping Diffusion barrier layer 33.As shown in Fig. 2 the beam shaping Diffusion barrier layer 33
Located at the opposite side of described image display layer 32, the relative position for detecting point of observation 51 and 52 and image displa layer 32, and
Vision area 40 according to residing for the relative position determines the point of observation 51 and 52.
Adjustment member 23：
The adjustment member includes：Adjustment unit.Vision area of the adjustment unit according to residing for the point of observation 51 and 52
40, control the luminous unit of some independences of some back light units to be combined to form some newly luminous tuples, it is described some new
The light that luminous tuple sends images in the vision area 40 residing for the point of observation through the lens array film layer 31.
The bore hole 3D display device of the embodiment of the present invention is configured in the side of image displa layer 32 by by luminous unit 110,
When device works, the beam shaping Diffusion barrier layer 33 for being configured at the position of image displa layer edge one enters to point of observation (observation position)
Row detection, the luminous unit of regulation and control is combined after determining the corresponding vision area 40 of point of observation so that the projection after luminous unit's combination
In corresponding vision area 40, observer is set to obtain 3D stereo-pictures.
When point of observation changes, beam shaping Diffusion barrier layer 33 will again be detected to point of observation, change luminous unit
Combination, again by projection in corresponding vision area after change.The optimal 3D shadows that each point of observation is obtained are realized by this device
Picture.
The backlight 10 to the embodiment of the present invention is elaborated below：
The backlight 10 of the embodiment of the present invention, it includes some back light units 11, and each back light unit 11 is configured with one
Luminous tuple, the luminous tuple includes the luminous unit 110 of some independences.
When the backlight 10 comprises only single back light unit 11, the newly luminous tuple is the single backlight list
Any individual combination in the luminous unit 110 of some independences of unit 11.In other words, when the only one of which back light unit of the backlight 10
When, the image in vision area 40 is projected on, it is that the light sent by the tuple that newly lights is imaged what is formed by lens array film layer 31.
Wherein, single back light unit 11 includes several units that independently light, and any in described several units that independently light, carries out
Independent assortment, forms the newly luminous tuple.
When the backlight includes at least two back light units, in other words, the backlight is by described at least two
Back light unit is spliced.Wherein, the newly luminous tuple is：It is any in the luminous unit of some independences of some back light unit
Individual combination；Or at least two back light unit the luminous unit of all independences in the combination of any, and constitute described new luminous
Several units that independently light of tuple are distributed at least two back light units.As shown in figure 3, the backlight 10 includes two
Individual back light unit 11, each back light unit includes several independent luminous units 110.As shown in Figure 3 a, newly light tuple 211
Can be some back light unit the luminous unit of some independences in the combination of any, as shown in Figure 3 a, 3b, 3c, 3d shown in, new hair
Light tuple 212 (213 and 214) can be the combination of any in the luminous unit of two all independences of back light unit, and constitute
Several units that independently light of the new luminous tuple are distributed in two back light units.
As shown in Fig. 4 a, Fig. 4 b, Fig. 5, the backlight includes multiple back light units, and each back light unit mutually splices
Form the backlight.
Used as a kind of preferred embodiment, each back light unit is used in the arc-shaped connecting method shape on a free form surface
Into backlight 10.
It is emphasized that：Luminous unit's combination is not limited only to group in single backlight after two and the splicing of above back light unit
Close, there can be some luminous units to combine shape with some luminous units on another splicing back light unit on single back light unit such as in each example
Luminous unit's combination of Cheng Xin, the brightness uniformity of the 3D pictures under large screen display can be optimized by this mode and shows continuous
Property.
Luminous tuple is formed by realizing any combination of the luminous unit of each independence in present embodiment, that is, overlaps control
Luminous unit's combination causes that device display picture is smooth, continuity enhancing.
The lens array film layer 31 to the embodiment of the present invention is described in detail below：
Lens array film layer 31 is formed by some Fresnel Lenses unit spliceds.As shown in Fig. 2 the lens array film layer
31 is overall in arc-shaped, and the lens array film layer 31 comprises only 1 piece of Fresnel Lenses unit.
As shown in Fig. 4 a, Fig. 4 b, Fig. 5, the lens array film layer 31 includes at least two pieces Fresnel Lenses units, described
Lens array film layer 31 is formed by least two pieces Fresnel Lenses unit spliceds, forms fresnel lens array.Such as Fig. 4 a,
Shown in Fig. 4 b, the lens array film layer 31 includes Fresnel Lenses unit 311 and Fresnel Lenses unit 312.
Used as a kind of preferred embodiment, the structure of lens array film layer 31 is luxuriant and rich with fragrance using the arc-shaped on a free form surface
Nie Er lens units carry out splicing composition.This implementation method reduces the technology difficulty for making lens array film layer 31, is big face
The splicing of product lens array film layer 31 makes and provides possibility.
The image displa layer 32 to the embodiment of the present invention is described in detail below：
Described image display layer 32 is spliced by some LCD Panels.As shown in Fig. 2, Fig. 4 a, Fig. 4 b, the figure
As display layer 32 comprises only 1 piece of LCD Panel.
When described image display layer 32 include at least two pieces of LCD Panels when, described image display layer 32 by it is described extremely
Few two pieces of LCD Panels are spliced.As shown in figure 5, described image display layer 32 is spelled by three pieces of LCD Panels
Connect and form.
Further, on some LCD Panels, it is each configured with beam shaping Diffusion barrier layer 33.Wherein,
The detection method of the beam shaping Diffusion barrier layer 33 includes but is not limited to the modes such as eye recognition, recognition of face.
As shown in figure 5, described image display layer 32 is spliced by three pieces of LCD Panels, using extensive phenanthrene
The mode of Nie Er lens arrays splicing constitutes lens array film layer, and beam shaping Diffusion barrier layer 33 is configured above each screen, from
Three different orientation determine position now where point of observation simultaneously, it is determined that place vision area 40, then controls each back light unit
Upper corresponding luminous unit's combination occur, wherein image displa layer mode of operation is constantly to refresh right and left eyes vision area image to make people's
Right and left eyes alternately receive different right and left eyes images, by producing parallax so that human brain receives 3D stereo-pictures, at this
Specific works mode is in one specific embodiment：When image displa layer 32 refreshes left-eye image, the first luminous group is opened, and is closed
Close the second luminous group so that left eye main beam loads the incoming place vision area of left eye 41 of left-eye image；When image displa layer 32 refreshes
When going out eye image, the first luminous group is closed, open the second luminous group so that right eye main beam loads the incoming right eye of left-eye image
42 place vision areas.
The image displa layer of the embodiment of the present invention is greatly expanded the vision area scope that may be viewed by by multi-screen splicing, protects
The resolution ratio and continuity of display are demonstrate,proved, many people can have been met and watched 3D images simultaneously, for the exploitation of large-scale 3D bore holes equipment is provided
A kind of possible mode.
Below to, when point of observation changes, beam shaping Diffusion barrier layer will carry out weight to point of observation in the embodiment of the present invention
New detection, changes luminous unit's combination, and projection is described in detail in corresponding vision area after change again：
For convenience of description, taking a kind of better simply situation carries out example：As shown in Figs. 4a and 4b, backlight is by three back ofs the body
Light unit is spliced, and the tuple that lights is for the combination of each continuous several luminous units in backlight unit, and lens array film layer
Two lens unit splicing compositions.
As shown in fig. 4 a, point of observation 41 and 42 is located at vision area center, when beam shaping Diffusion barrier layer detects observation
When position is in vision area 40, corresponding luminous unit's combination is carried out in each backlight unit, in now point of observation is fallen within vision area 40.Namely
Image in the vision area 40 so that user can watch 3D stereoprojections in the position of point of observation 41 and 42.
Specifically, by lens array film layer 31 and beam shaping diffusion barrier after first luminous unit's combination 1101 emits beam
After layer 33, coordinate image displa layer 32 to load left-eye image, make to send light beam and finally image in left eye vision area 41；Similarly
Second luminous unit's combination 1102 emit beam after by after lens array film layer 31 and beam shaping Diffusion barrier layer 33, coordinating image
Display layer 32 is loaded to right and left eyes image, is made to send light beam and is finally imaged in right eye vision area 42, and now observer can obtain
Different left-and right-eye images, 3D rendering is reflected as by parallax in the brain.
As shown in Figure 4 b, the process observation point in viewing changes, and beam shaping Diffusion barrier layer detects point of observation and changes
The unit's combination that lighted when fading to vision area 50, in each backlight unit is adjusted, and is adjusted with luminous tuple 1102 by luminous tuple 1101
To luminous tuple 1103 and luminous tuple 1104, the light beam that luminous group 1103 and 1104 sends is by lens array film layer 32 and light
Image in now corresponding left eye vision area 51 and right eye vision area 52 after beam shaping Diffusion barrier layer 33 respectively, observer by parallax again
Secondary acquisition 3D rendering.
When the observation position of human eye shown in Fig. 4 a is located at initial position, the hair of the first luminous group 1101 and second in luminescent film group
Light group 1102 is in running order, and the light that the luminous group 1102 of the first luminous group 1101 and second sends is by lens array film layer
31st, the right and left eyes vision area for corresponding to human eye is imaged in respectively after image displa layer 32 and beam shaping lens 33.Due to the first hair
The luminous group 1102 of light group 1101 and second is determined after being detected according to beam shaping Diffusion barrier layer 33, so when described luminous group it is right
Answer the vision area of now point of observation position so that beholder now obtains 3D rendering.Wherein, image displa layer mode of operation is
Continuous updating right and left eyes vision area image makes the right and left eyes of people alternately receive different right and left eyes images, is caused by producing parallax
Human brain receives 3D stereo-pictures, specific works mode：When image displa layer 32 refreshes left-eye image, the first luminous group
1101 open, and close the second luminous group 1102 so that left eye main beam loads the incoming place vision area of left eye 41 of left-eye image；Work as figure
As when display layer 32 refreshes eye image, closing the first luminous group 1101, the second luminous group 1102 is opened so that right eye key light
Beam loads the incoming place vision area of right eye 42 of left-eye image.
The observation position of human eye shown in Fig. 4 b there occurs change with the initial inspection position, now illuminating module change to
The luminous group 1104 of 3rd luminous group 1103 and the 4th is in running order.3rd group of luminous group 1103 and the 4th group of luminous group 1104
The light for sending changes by imaging in correspondence after lens array film layer 31, image displa layer 32 and beam shaping lens 33 respectively
The right and left eyes vision area of human eye after change, the vision area of now described luminous group of correspondence now point of observation position so that beholder this
When obtain 3D rendering.Image displa layer constantly updates right and left eyes vision area image makes the right and left eyes of people alternately receive different left and right
Eye pattern picture, by producing parallax so that human brain receives 3D stereo-pictures, now specific works mode：When image displa layer 32 is brushed
When newly going out left-eye image, the 3rd luminous group 1103 is opened, and closes the 4th luminous group 1104 so that left eye main beam loads left eye figure
As the place vision area of incoming left eye 51；When image displa layer 32 refreshes eye image, the 3rd luminous group 1103 is closed, open the
Four luminous groups 1104 so that right eye main beam loads the incoming place vision area of right eye 52 of left-eye image.
Another embodiment of the invention provides a kind of directive property backlight type bore hole 3D display methods for overlapping control,
It is applied to process of the user in the display picture for watching the directive property backlight type bore hole 3D display device that can overlap control.As schemed
Shown in 6, it is comprised the following steps：
S1：The relative position of detection point of observation and image displa layer；
S2：Vision area according to residing for the relative position determines the point of observation；
S3：Vision area according to residing for the point of observation, controls the luminous unit of some independences of some back light units to be combined
Some newly luminous tuples are formed, the light that some new luminous tuples send images in the observation through lens array film layer
The residing vision area of point；
S4：When the point of observation is moved, repeat the above steps.
According to the present invention it is possible to a kind of directive property backlight type bore hole 3D display device and method for overlapping control is provided,
It changes the luminous unit of image displa layer opposite side and combines by detecting the relative position of point of observation and display image layer, makes
, in the vision area where point of observation, constantly adjustment is luminous during point of observation is moved for the image formation by rays that the unit's combination that must light sends
Unit's combination makes its correspondence now place vision area, it is ensured that beholder can obtain the 3D stereograms of high-quality during whole observation
Picture, improves the viewing freedom of beholder, optimizes the experience sense of beholder.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not done to the present invention, therefore
All contents without departing from technical solution of the present invention, any simply repair according to technical spirit of the invention to made for any of the above embodiments
Change, equivalent variations and modification, still fall within the range of technical solution of the present invention.
Claims (8)
1. the directive property backlight type bore hole 3D display device of control can be overlapped, it is characterised in that including：
Image displa layer, for showing vision area image；
Backlight, its side for being arranged on described image display layer, the backlight includes some back light units, each backlight
Unit is configured with a luminous tuple, and the luminous tuple includes the luminous unit of some independences；
Lens array film layer, it is arranged between described image display layer and the backlight；
Beam shaping Diffusion barrier layer, located at the opposite side of described image display layer, for detecting point of observation with image displa layer
Relative position, and the vision area according to residing for the relative position determines the point of observation；
Adjustment unit, the vision area according to residing for the point of observation controls the luminous unit of some independences of some back light units to enter
Row combination forms some newly luminous tuples, and the light that some new luminous tuples send is through the lens array film layer, imaging
In the vision area residing for the point of observation.
2. bore hole 3D display device according to claim 1, it is characterised in that：
When the backlight comprises only single back light unit, the newly luminous tuple is some of the single back light unit
Any individual combination in independent luminous unit.
3. bore hole 3D display device according to claim 1, it is characterised in that：
When the backlight includes at least two back light units, the newly luminous tuple is：
Any individual combination in the luminous unit of some independences of some back light unit；Or
The combination of any in the luminous unit of all independences of at least two back light units, and if constituting the new luminous tuple
Dry independent luminous unit is distributed at least two back light units.
4. bore hole 3D display device according to claim 3, it is characterised in that：
At least two back light unit forms the backlight using the arc-shaped connecting method on a free form surface.
5. bore hole 3D display device according to claim 1, it is characterised in that：
The lens array film layer is formed by some arc-shaped Fresnel Lenses unit spliceds on a free form surface.
6. bore hole 3D display device according to claim 1, it is characterised in that：
Described image display layer is spliced by some LCD Panels.
7. bore hole 3D display device according to claim 6, it is characterised in that：
On some LCD Panels, beam shaping Diffusion barrier layer is each configured with.
8. the directive property backlight type bore hole 3D display methods of control can be overlapped, it is characterised in that be comprised the following steps：
The relative position of detection point of observation and image displa layer；
Vision area according to residing for the relative position determines the point of observation；
Vision area according to residing for the point of observation, controls the luminous unit of some independences of some back light units to be combined to form some
Newly lighted tuple, and the light that some new luminous tuples send is imaged in residing for the point of observation through lens array film layer
Vision area；
When the point of observation is moved, repeat the above steps.
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| CN108107598A (en) * | 2017-12-25 | 2018-06-01 | 佛山科学技术学院 | A kind of curved surface bore hole 3D display device |
| CN107966825A (en) * | 2017-12-26 | 2018-04-27 | 广州弥德科技有限公司 | A kind of splice type directive property backlight and the display system using the backlight |
| CN107966825B (en) * | 2017-12-26 | 2023-12-19 | 广州弥德科技有限公司 | Spliced directional backlight source and display system using same |
| CN108345122A (en) * | 2018-01-29 | 2018-07-31 | 中山大学 | A kind of determining bore hole 3D display vision area corresponds to the method and system of backlight |
| CN109769111A (en) * | 2018-11-22 | 2019-05-17 | 利亚德光电股份有限公司 | Image display method, device, system, storage medium and processor |
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