CN106199987A - A kind of bore hole 3D display system pointed to based on continuous backlight - Google Patents
A kind of bore hole 3D display system pointed to based on continuous backlight Download PDFInfo
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- CN106199987A CN106199987A CN201610584979.0A CN201610584979A CN106199987A CN 106199987 A CN106199987 A CN 106199987A CN 201610584979 A CN201610584979 A CN 201610584979A CN 106199987 A CN106199987 A CN 106199987A
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- display system
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- 230000004888 barrier function Effects 0.000 claims abstract description 42
- 238000009792 diffusion process Methods 0.000 claims abstract description 42
- 238000004020 luminiscence type Methods 0.000 claims description 13
- 210000003756 cervix mucus Anatomy 0.000 abstract description 6
- 206010046901 vaginal discharge Diseases 0.000 abstract description 6
- 230000001427 coherent effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 16
- 230000003287 optical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a kind of bore hole 3D display system pointed to based on continuous backlight, including backlight unit, Diffusion barrier layer, lens arra film layer and image displa layer, described Diffusion barrier layer, lens arra film layer and image displa layer set gradually along the direction away from described backlight unit, and are reserved with gap between described Diffusion barrier layer and described backlight unit；Described backlight unit includes that some light-emitting zones, all light-emitting zones are integrally formed the light-emitting area of the spill towards described Diffusion barrier layer, and described light-emitting zone is the distribution of continuous or discrete shape；Described lens arra film layer includes the array of single lens or several lens forming.The present invention is by having added Diffusion barrier layer between lens arra film layer and backlight unit, the weak part coherent superposition of light-emitting zone can be made, black vaginal discharge on image is reduced even disappear, further increase brightness and the uniformity of image, reduce the crosstalk ratio of system.
Description
Technical field
The present invention relates to optical field, a kind of bore hole 3D display system pointed to based on continuous backlight.
Background technology
At present, free 3 D display technology (also known as bore hole 3D) is mainly by conventional images is isolated left and right eye pattern
Picture, when making observer observe auto-stereoscopic display in predetermined position along predetermined direction by different technologies, left eye
Image enters left eye, and eye image enters right eye, thus produces binocular parallax, produces third dimension, it is achieved Auto-stereo display is imitated
Really.Free 3 D display technology can be divided into column lens array technology, disparity barrier technology and directivity backlight technology.
The principle of lens pillar technology mainly adds one layer of column lens array before LCDs so that LCD's
Image plane is in the same plane with the focal plane of lens, and different pixels respectively enters right and left eyes after being grouped, thus produces vertical
Body effect.Owing to added lens pillar is not to stop light, thus the major advantage of this technology to be display effect good, brightness
High.
The principle of disparity barrier technology mainly adds one layer of parallax grating before LCDs, can realize 2D/3D's
Display switching, when in 3 d mode, the existence of parallax grating makes different pixels respectively enter right and left eyes, thus produces parallax.
Compared to lens pillar technology, disparity barrier technology easily realizes the compatibility of 2D pattern, but due to the barrier effect of grating, image
Brightness relatively the lowest.
Show although both the above technology achieves bore hole 3D, but due to the method that have employed pure space division, often there is string
The defects such as rate of disturbing is low, resolution loss and Moire fringe.And directivity backlight technology of based on space-time mixing control method, logical
Cross optical lens array (Fresnel Lenses, cylindrical lens etc.) and respective sources is focused on human eye vision area, use liquid crystal display screen simultaneously
Curtain refreshes at a high speed left images so that left and right backlight refreshes with stereo sync, it is achieved bore hole 3D shows.This technology is with front
Two kinds of technology are compared, and have that crosstalk ratio is low and the break-even advantage of resolution.But, owing to the discreteness of directivity backlight is (past
Toward be one group or string light source corresponding to a viewing vision area to realize the independence that backlight refreshes), backlight module unit with
There is optics dark space between unit, when result in human eye viewing screen, occur in that the effects such as uneven or even vision dark space.
Summary of the invention
It is an object of the invention to provide a kind of bore hole 3D display system pointed to based on continuous backlight, it is intended to existing sensing
Property backlight bore hole 3D show in the technological deficiency of vision dark space.
In order to solve the problems referred to above, the invention provides a kind of bore hole 3D display system pointed to based on continuous backlight, bag
Include backlight unit, Diffusion barrier layer, lens arra film layer and image displa layer, described Diffusion barrier layer, lens arra film layer and figure
As display layer sets gradually along away from the direction of described backlight unit, and described Diffusion barrier layer and described backlight unit it
Between be reserved with gap；Described backlight unit includes that some light-emitting zones, all light-emitting zones are integrally formed towards described diffusion
The light-emitting area of the spill of film layer, described light-emitting zone is the distribution of continuous or discrete shape；Described lens arra film layer includes single
Mirror or the array of several lens forming.
A kind of bore hole 3D display system pointed to based on continuous backlight provided according to embodiments of the present invention, described backlight
The light-emitting zone of unit is the independent light-emitting zone controlled of at least one switch and brightness.
A kind of bore hole 3D display system pointed to based on continuous backlight provided according to embodiments of the present invention, described light-emitting area
Centered by symmetrical arc-shaped concave.
A kind of bore hole 3D display system pointed to based on continuous backlight provided according to embodiments of the present invention, described light-emitting area
The cross section intercepted by the plane being perpendicular to described image displa layer is curved section or straightway.
A kind of bore hole 3D display system pointed to based on continuous backlight provided according to embodiments of the present invention, described light-emitting area
The cross section intercepted by the plane being perpendicular to described image displa layer is chain structure, and described chain structure is suitable by some head and the tail
The curved section of secondary connection and/or straightway are constituted.
A kind of bore hole 3D display system pointed to based on continuous backlight provided according to embodiments of the present invention, each luminous zone
At least one luminescence unit it is provided with in territory.
A kind of bore hole 3D display system pointed to based on continuous backlight provided according to embodiments of the present invention, described luminous single
Unit is direct-insert light emitting diode.
A kind of bore hole 3D display system pointed to based on continuous backlight provided according to embodiments of the present invention, when described backlight
The light that one light-emitting zone of source unit sends after described Diffusion barrier layer, the light-emitting zone adjacent with this light-emitting zone
Clear zone part is with the dark space partial stack of this light-emitting zone.
A kind of bore hole 3D display system pointed to based on continuous backlight provided according to embodiments of the present invention, described diffusion barrier
Layer is a kind of polarizing film.
A kind of bore hole 3D display system pointed to based on continuous backlight provided according to embodiments of the present invention, described lens are
Fresnel Lenses.
Compared to prior art, the bore hole 3D display system pointed to based on continuous backlight that the embodiment of the present invention provides is passed through
Between lens arra film layer and backlight unit, add Diffusion barrier layer, the weak part coherent superposition of light-emitting zone can be made, make
Obtain the minimizing of the black vaginal discharge on image even to disappear, further increase brightness and the uniformity of image, reduce the crosstalk ratio of system.
Additionally, Diffusion barrier layer can also extend visual angle to a certain extent.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of bore hole 3D display system one embodiment pointed to based on continuous backlight of the present invention
Figure.
Fig. 2 is the corresponding vision area theory Luminance Distribution schematic diagram in the embodiment that Fig. 1 shows in light-emitting zone 1-4.
Fig. 3 is the corresponding vision area theory Luminance Distribution schematic diagram in the embodiment that Fig. 1 shows in light-emitting zone 1-4.
Fig. 4 is that in existing bore hole 3D display system based on discontinuous backlight, the corresponding vision area theory brightness of light-emitting zone divides
Cloth schematic diagram.
In figure:
10: backlight unit 11: light-emitting area
12～19: light-emitting zone 20: Diffusion barrier layer
30: lens arra film layer 40: image displa layer
50: vision area
Detailed description of the invention
In order to preferably illustrate spirit and substance of the present invention, " the continuous backlight " related in the application refers to by utilizing
The light that the characteristic of backlight module arc-shaped concave and the effect of Diffusion barrier layer make LED send is passed through by a certain degree of being scattered in
The light of uniformly continuous is formed after Diffusion barrier layer 20, we term it backlight continuously.
As it is shown in figure 1, Fig. 1 is bore hole 3D display system one embodiment pointed to based on continuous backlight of the present invention
Structural representation.In the embodiment shown in Fig. 1, the back of the body should be included successively based on the bore hole 3D display system that continuous backlight is pointed to
Light source cell 10, Diffusion barrier layer 20, lens arra film layer 30 and image displa layer 40.Wherein, Diffusion barrier layer 20, lens arra film
Layer 30 and image displa layer 40 set gradually along the direction away from backlight unit 10.
In the present embodiment, backlight unit 10 provides light primarily as lighting source for image displa layer 40.The back of the body
Light source cell 10 includes some light-emitting zones 12～19, and light-emitting zone 12～19 is distributed in continuous or discrete shape.This embodiment party
In formula, the light-emitting zone 12～19 of backlight unit 10 is the independent light-emitting zone controlled of at least one switch and brightness, such as
Can be that switch and the brightness of each light-emitting zone all can independently control.Owing to backlight module is by some individually controllable luminescences
Unit forms, so the switch of luminescence unit and brightness are all to be independently controlled, it is possible to be uniformly controlled.Its
In, it being provided with at least one luminescence unit in each light-emitting zone, luminescence unit can be light emitting diode, especially direct-insert
Light emitting diode.In the present embodiment, between all of light-emitting zone, continuous distribution forms an integral curved concave surface, overall
Formation is towards the light-emitting area 11 of the spill of Diffusion barrier layer 20, and i.e. light-emitting area 11 is towards Diffusion barrier layer 20, and light-emitting zone 12～19
It is positioned at the side away from Diffusion barrier layer 20 of light-emitting area 11.In the present embodiment, arc symmetrical centered by light-emitting area 11, wherein
The heart axis of symmetry can overlap with at least one Diffusion barrier layer 20, lens arra film layer 30 and image displa layer 40.Real at some
Executing in mode, the cross section that light-emitting area 11 is intercepted by the plane being perpendicular to image displa layer 40 is curved section or straightway, luminous
The cross section that face 11 is intercepted by the plane being perpendicular to image displa layer 40 is chain structure, and chain structure is by some head and the tail sequentially
The curved section connected and/or straightway are constituted.
Diffusion barrier layer 20 is arranged on the side of the close backlight unit 10 with lens arra film layer 30, and and backlight
Gap it is reserved with between module.Diffusion barrier layer 20 be one can polarizing film, its Main Function is to make light in refractive index phase
When different medium passes, reflect, reflect and the effect of scattering.When the light that a light-emitting zone of backlight unit 10 sends
Line is after Diffusion barrier layer 20, and the clear zone part of the light-emitting zone adjacent with this light-emitting zone is with the dark space portion of this light-emitting zone
Point superposition, can revise light uniformly area source to reach the effect of optics diffusion, thus improve its uniformity, so that non-
The image black vaginal discharge that backlight produces in vision area 50 marginal portion continuously disappears.
The array that lens arra film layer 30 can be made up of single lens or multiple lens, specifically, lens can
To be Fresnel Lenses.Lens arra film layer 30 is arranged at the Diffusion barrier layer 20 side near image displa layer 40, is used for controlling
From backlight source module and the direction of propagation of the light of Diffusion barrier layer 20, light is made to respectively enter specific vision area 50.
Image displa layer 40 can a display panels, be placed in lens arra film layer 30 near vision area 50
Side, is used for showing image.
Based on said structure, backlight unit 10 is positioned at the light process expansion that the light-emitting zone of different spatial sends
When dissipating film layer 20, owing to the refractive index of the medium on Diffusion barrier layer 20 both sides there are differences, light will occur many refractions, reflection
With the effect of scattering, form optics diffusion, form the effect of continuous backlight.The rays pass through lens array films layer 30 of continuous uniform
After, carry out image in conjunction with image-display units and show so that it is corresponding that left-eye image and eye image respectively enter right and left eyes
Vision area 50.
Wherein, the major optical principle of the bore hole 3D display system pointed to based on continuous backlight that the present embodiment provides is such as
Under:
Seeing Fig. 1, backlight unit 10 has some each light-emitting zones 12～19.As a example by luminescence unit 12 and 13.Work as light
Line is when light-emitting zone 12,13 enters Diffusion barrier layer 20, due to optics diffusion effect so that the light intensity of adjacent light-emitting units
Part produces superposition, forms the effect of continuous backlight, when light enters lens arra film layer 30 from Diffusion barrier layer 20, in conjunction with figure
Showing as display unit carries out image, left-eye image enters left eye vision area 50, and eye image enters right eye vision area 50, and because shape
Become continuous backlight, so the black vaginal discharge in corresponding vision area 50 disappears substantially.
See Fig. 2-Fig. 4, when each self-corresponding light-emitting zone luminescence of the luminescence unit in backlight unit 10, in theory
Intensity map as shown in Figure 2.During the light-emitting zone luminescence that continuous print luminescence unit and luminescence unit are formed in theory
Intensity map as it is shown on figure 3, and theoretic bright during continuous two the light-emitting zone luminescences of the Optical devices of discontinuous backlight
Degree scattergram is as shown in Figure 4.Be can be seen that by the contrast of Fig. 3 and Fig. 4, the effect of continuous backlight makes the light in vision area 50 equal
Even distribution, even disappears owing to the black vaginal discharge of brightness irregularities generation weakens.
It should be noted that figure simply illustrates its principle, actual display effect as a example by light-emitting zone 12,13
Being to be collectively forming by numerous light-emitting zone, above-mentioned principle is applied equally to other light-emitting zones.Above-mentioned based on continuous backlight
Show that Optical devices both can be separately as the agent structure of display device with the naked-eye stereoscopic image of lens, it is also possible to as greatly
An elementary cell in type display system.
In an embodiment of the present invention, characteristic and the effect of Diffusion barrier layer 20, the backlight of backlight module arc-shaped concave are utilized
Unit stays at regular intervals with Diffusion barrier layer 20 so that the black vaginal discharge of the image that adjacent LED (LED) produces disappears, thus
Realize the effect of continuous backlight, further increase the uniformity of image, reduce crosstalk ratio.
And, add Diffusion barrier layer 20, in certain journey at lens arra film layer 30 with in concave surface between the backlight of distribution
Degree may also reach up the effect at extension visual angle.
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned enforcement
Mode, in the ken that one skilled in the relevant art is possessed, it is also possible in the premise without departing from present inventive concept
It is lower that various changes can be made.
Claims (10)
1. the bore hole 3D display system pointed to based on continuous backlight, it is characterised in that: include backlight unit, diffusion barrier
Layer, lens arra film layer and image displa layer, described Diffusion barrier layer, lens arra film layer and image displa layer are along away from the described back of the body
The direction of light source cell sets gradually, and is reserved with gap between described Diffusion barrier layer and described backlight unit；The described back of the body
Light source cell includes that some light-emitting zones, all light-emitting zones are integrally formed the light-emitting area of the spill towards described Diffusion barrier layer,
Described light-emitting zone is the distribution of continuous or discrete shape；Described lens arra film layer includes single lens or several lens forming
Array.
2. the bore hole 3D display system pointed to based on continuous backlight as claimed in claim 1, it is characterised in that: described backlight
The light-emitting zone of unit is the independent light-emitting zone controlled of at least one switch and brightness.
3. the bore hole 3D display system pointed to based on continuous backlight as claimed in claim 1, it is characterised in that: described light-emitting area
Centered by symmetrical arc-shaped concave.
4. the bore hole 3D display system pointed to based on continuous backlight as claimed in claim 1, it is characterised in that: described light-emitting area
The cross section intercepted by the plane being perpendicular to described image displa layer is curved section or straightway.
5. the bore hole 3D display system pointed to based on continuous backlight as claimed in claim 4, it is characterised in that: described light-emitting area
The cross section intercepted by the plane being perpendicular to described image displa layer is chain structure, and described chain structure is suitable by some head and the tail
The curved section of secondary connection and/or straightway are constituted.
6. the bore hole 3D display system pointed to based on continuous backlight as claimed in claim 1, it is characterised in that: each luminous zone
At least one luminescence unit it is provided with in territory.
7. the bore hole 3D display system pointed to based on continuous backlight as claimed in claim 6, it is characterised in that: described luminous single
Unit is direct-insert light emitting diode.
8. the bore hole 3D display system pointed to based on continuous backlight as claimed in claim 1, it is characterised in that: when described backlight
The light that one light-emitting zone of source unit sends after described Diffusion barrier layer, the light-emitting zone adjacent with this light-emitting zone
Clear zone part is with the dark space partial stack of this light-emitting zone.
9. the bore hole 3D display system pointed to based on continuous backlight as claimed in claim 1, it is characterised in that: described diffusion barrier
Layer is a kind of polarizing film.
10. the bore hole 3D display system pointed to based on continuous backlight as claimed in claim 1, it is characterised in that: described lens
For Fresnel Lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584979.0A CN106199987A (en) | 2016-07-22 | 2016-07-22 | A kind of bore hole 3D display system pointed to based on continuous backlight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610584979.0A CN106199987A (en) | 2016-07-22 | 2016-07-22 | A kind of bore hole 3D display system pointed to based on continuous backlight |
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| Publication Number | Publication Date |
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| CN106199987A true CN106199987A (en) | 2016-12-07 |
Family
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| CN201610584979.0A Pending CN106199987A (en) | 2016-07-22 | 2016-07-22 | A kind of bore hole 3D display system pointed to based on continuous backlight |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597675A (en) * | 2016-12-21 | 2017-04-26 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Naked-eye 3D Moire fringe eliminating device and use method thereof |
| CN106781085A (en) * | 2016-12-14 | 2017-05-31 | 广东技术师范学院 | Coin-feed dancing machine and strange land bucket dance method |
| CN106773082A (en) * | 2016-12-21 | 2017-05-31 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of method for weakening Morie fringe in bore hole 3D directive property back light systems |
| CN107144972A (en) * | 2017-06-06 | 2017-09-08 | 广州弥德科技有限公司 | The controllable bore hole 3D in a kind of low crosstalk, visual angle shows system and method |
| 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 |
| CN108847149A (en) * | 2018-07-03 | 2018-11-20 | 芜湖通全电子电器科技创业有限公司 | A kind of 3D solid LED advertising device |
| CN111273457A (en) * | 2020-02-24 | 2020-06-12 | 广州弥德科技有限公司 | Pointing light source naked eye 3D display based on projection optical engine and display method |
| CN114460758A (en) * | 2022-02-17 | 2022-05-10 | 中山大学 | Polarized light type directional backlight naked eye 3D display system |
| CN114563837A (en) * | 2020-11-27 | 2022-05-31 | 中国科学院微电子研究所 | Transmission window and annealing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106781085A (en) * | 2016-12-14 | 2017-05-31 | 广东技术师范学院 | Coin-feed dancing machine and strange land bucket dance method |
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| CN106773082B (en) * | 2016-12-21 | 2019-02-05 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Weaken the method for Morie fringe in a kind of naked eye 3D directive property back light system |
| CN106773082A (en) * | 2016-12-21 | 2017-05-31 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of method for weakening Morie fringe in bore hole 3D directive property back light systems |
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| CN106597675B (en) * | 2016-12-21 | 2019-04-05 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of naked eye 3D Morie fringe cancellation element and its application method |
| CN107144972A (en) * | 2017-06-06 | 2017-09-08 | 广州弥德科技有限公司 | The controllable bore hole 3D in a kind of low crosstalk, visual angle shows system and method |
| CN107144972B (en) * | 2017-06-06 | 2019-09-10 | 广州弥德科技有限公司 | The controllable naked eye 3D display system and method in a kind of low crosstalk, visual angle |
| 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 |
| CN108847149A (en) * | 2018-07-03 | 2018-11-20 | 芜湖通全电子电器科技创业有限公司 | A kind of 3D solid LED advertising device |
| CN111273457A (en) * | 2020-02-24 | 2020-06-12 | 广州弥德科技有限公司 | Pointing light source naked eye 3D display based on projection optical engine and display method |
| CN114563837A (en) * | 2020-11-27 | 2022-05-31 | 中国科学院微电子研究所 | Transmission window and annealing device |
| CN114563837B (en) * | 2020-11-27 | 2024-02-23 | 中国科学院微电子研究所 | Transmission window and annealing device |
| CN114460758A (en) * | 2022-02-17 | 2022-05-10 | 中山大学 | Polarized light type directional backlight naked eye 3D display system |
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Application publication date: 20161207 |
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