CN109358429A - Realize 2D/3D changeable structure and method - Google Patents
Realize 2D/3D changeable structure and method Download PDFInfo
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- CN109358429A CN109358429A CN201810654616.9A CN201810654616A CN109358429A CN 109358429 A CN109358429 A CN 109358429A CN 201810654616 A CN201810654616 A CN 201810654616A CN 109358429 A CN109358429 A CN 109358429A
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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
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
- G02B30/36—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers using refractive optical elements, e.g. prisms, in the optical path between the images and the observer
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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
- G02B30/22—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 stereoscopic type
- G02B30/25—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 stereoscopic type using polarisation techniques
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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
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Abstract
The present invention discloses a kind of structure and method for realizing 2D/3D switching, and structure includes linearly polarized light module, the first prism layer and the second prism layer that are stacked；Linearly polarized light module is used in the first polarization mode that can pass through the first polarised light and can switch between the second polarization mode by the second polarised light；The polarization direction of first polarised light and the second polarised light is different；First prism layer includes the first prism array and the first birefringent material, and the second prism layer includes the second prism array and the second birefringent material；Structure is integrally arranged to when through the first polarised light, polarizes light directing first direction for first, polarizes light directing second direction for second, first direction is different from second direction.
Description
Technical field
The present invention relates to 3D display fields, realize what 2D/3D can be switched by directing backlight in particular to a kind of
Structure and method.
Background technique
The scheme that naked eye 3D is realized by directing backing structure is disclosed in the prior art.As shown in Figure 1, patent
CN102067011B discloses directing naked eye 3D structure, combines light to turn to knot by control two sides LED light (32,34) respectively
Structure is realized: light is more after structure 40 after 34 lamp sources are opened deflects toward the direction eyes 1a；Light passes through after 32 lamp sources are opened
More past directions eyes 1b deflect after crossing structure 40.Naked eye 3D is realized to control two sides LED switch by frequency.
But the directing backlight realizes that difficulty is larger, there are problems that production, and bilateral, it is unilateral enter light light guide plate due to
It is difficult to ensure the consistent of two side light sources, therefore certainly exists the problems such as picture is uneven.And the program can not achieve 2D/3D's
It is changeable.
US6069650 proposes the changeable scheme that lensing is realized by electric field switchable liquid crystal state, but the program
Because liquid crystal switching not enough thoroughly leads to the decline for showing quality.
Summary of the invention
The main purpose of the present invention is to provide a kind of structures and method for realizing that 2D/3D is changeable, to solve existing skill
It shows that quality is low in art, the changeable problem of 2D/3D can not be carried out.
To achieve the goals above, according to an aspect of the invention, there is provided structure can be switched in 2D/3D, according to light
The direction of process successively includes the first linearly polarized light module, the first prism layer, the second linearly polarized light module and the second prism layer；
The first linearly polarized light module is used in the first polarization mode that can pass through the first polarised light and can be by second
It is switched between second polarization mode of polarised light；The polarization direction of first polarised light and second polarised light is not
Together；
First prism layer includes the first prism array and the first birefringent material, and second prism layer includes second
Prism array and the second birefringent material；
The second linearly polarized light module is used in the first polarization mode that can pass through the first polarised light and can be by second
It is switched between second polarization mode of polarised light；
When the first linearly polarized light module and the second linear polarization module are in identical polarization mode, the structure
Entirety is arranged to that when through first polarised light, described first light directing first direction will be polarized, when passing through described second
By the second polarization light directing second direction when polarised light, the first direction is different from the second direction；
When the first linearly polarized light module and the second linear polarization module are in different polarization mode, the structure
Entirety is arranged to when through first polarised light or second polarised light, keeps the former propagation side of the polarised light
To.
Preferably,
First prism layer is used to first polarised light deflecting to first direction, and second polarised light is kept
Incident direction；
Second prism layer is used to first polarised light keeping incident direction, and second polarised light is deflected to
Second direction.
Preferably,
The refractive index of first prism array is equal to the refractive index of the first birefringent material optical axis direction；
The refractive index of second prism array is equal to the refractive index of the second birefringent material optical axis direction；
The optical axis direction of first birefringent material is different from the optical axis direction of second birefringent material；
The polarization direction of first polarised light be the second birefringent material optical axis direction, second polarised light it is inclined
Shake the optical axis direction that direction is the first birefringent material.
Preferably,
The first linearly polarized light module and the First Line polarization module are by way of mechanically or electrically switching first
It is switched between polarization mode and the second polarization mode.
Preferably,
The first linearly polarized light module includes the polarizer and the first polarization rotary switch；
The polarizer is used to for incident light being changed into linearly polarized light, and the linearly polarized light includes the first polarised light or second
Polarised light；
The first polarization rotary switch is used in the incident direction for keeping the linearly polarized light and by the linearly polarized light
The direction direction that deflects to another polarised light mode in switch over；
The second linearly polarized light module includes the second polarization rotary switch, in the incidence for keeping the linearly polarized light
Direction and the direction of the linearly polarized light is deflected to another polarised light direction mode in switch over.
Preferably, first prism array is identical as the refractive index of second prism array.
Preferably,
The optical axis direction of first birefringent material along first prism array arragement direction；
The optical axis direction of second birefringent material is along the prism extending direction in second prism array.
Preferably, first birefringent material is to be solidificated in the liquid crystal molecule of the first prism layer and/or second pair described
Refractive material is the liquid crystal molecule for being solidificated in the second prism layer.
Another aspect of the present invention also provides a kind of method for realizing that 2D/3D is changeable, is applied in structure as described above,
The described method includes:
When carrying out 3D display:
Alternately step 1 and 2:
Step 1: first polarised light is obtained by the first linearly polarized light module and is incident to first prism layer,
And second prism layer is incident to by the second linearly polarized light module；
Step 2: second polarised light being obtained by the linearly polarized light module and is incident to first prism layer, and is passed through
Cross incident second prism layer of the second linearly polarized light module；
When carrying out 2D display, second polarised light is obtained by the first linearly polarized light module and is incident to described the
One prism layer, and second polarised light is converted into first polarised light by the second linearly polarized light module and is incident to
Second prism layer.
Preferably, the first linearly polarized light module includes the polarizer and the first polarization rotary switch；
The polarizer obtains the linearly polarized light of first polarised light or second polarised light；
The linearly polarized light is kept into incident direction by the first polarization rotary switch or deflects to another polarised light
Direction.
The utility model has the advantages that
Technical solution of the present invention, two prism layers have birefringent characteristic, and two linearly polarized light modules can pass through
First polarization mode of the first polarised light and can be by being switched between the second polarization mode of the second polarised light, two prisms
Layer is deflected or is kept to different polarization light respectively, to obtain the emergent light being differently directed, realizes naked eye 3D display simultaneously
It is changeable that 2D/3D is furthermore achieved, compared with prior art, the present invention is not necessarily to carry out the switching of liquid crystal, without bilateral light source,
The linearly polarized light for obtaining different directions using linearly polarized light module is only needed to can be realized, it is simple to operation, and show that quality is high.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the naked eye 3D structure drawing of device of the prior art；
Fig. 2 shows the first direction deflection state figures of the invention for realizing 3D display；
Fig. 3 shows the second direction deflection state figure that the present invention realizes 3D display；
Fig. 4 shows the present invention and realizes the state diagram that 2D is shown；
Fig. 5 shows the first time slot left-eye view state；
Fig. 6 shows the second time slot right-eye view state；
Fig. 7 shows 2D viewstate.
Wherein, the above drawings include the following reference numerals:
First prism array 11, the first birefringent material 12, the second birefringent material 13, the second prism array 14 are polarized
Device 15, the first deflection rotary switch 16, the second deflection rotary switch 17.
Specific embodiment
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 present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The present invention is intended to provide a kind of structure for realizing 2D/3D switching successively includes first according to the direction that light passes through
Linearly polarized light module, the first prism layer, the second linearly polarized light module and the second prism layer；
The first linearly polarized light module is used in the first polarization mode that can pass through the first polarised light and can be by second
It is switched between second polarization mode of polarised light；The polarization direction of first polarised light and second polarised light is not
Together；
First prism layer includes the first prism array and the first birefringent material, and second prism layer includes second
Prism array and the second birefringent material；
The second linearly polarized light module is used in the first polarization mode that can pass through the first polarised light and can be by second
It is switched between second polarization mode of polarised light；
When the first linearly polarized light module and the second linear polarization module are in identical polarization mode, the structure
Entirety is arranged to when through first polarised light, by the first polarization light directing first direction, partially by described second
Vibration light directing second direction, the first direction are different from the second direction；
When the first linearly polarized light module and the second linear polarization module are in different polarization mode, the structure
Entirety is arranged to when through first polarised light or second polarised light, keeps the former propagation side of the polarised light
To.
Biprism layer is arranged in the present invention and each prism layer has birefringent characteristic, and different prism layers are to different polarised lights
It is deflected, is switched between the polarised light of two polarization directions by First Line polarization module and the second linear polarization module,
When realizing 3D display, the first and second linear polarization template patterns of setting are identical, and the light of only one polarization direction passes through whole knot
Structure deflects to different directions to different polarization light by the way that overall structure is arranged, to realize naked eye 3D；When realizing 2D display,
First and second linear polarization template patterns differences are set, so that it is different by the polarised light of the first prism layer and the second prism layer,
To not deflect.
Specifically, first prism layer is used to first polarised light deflecting to first direction, partially by described second
The light that shakes keeps incident direction, and second prism layer is used to first polarised light keeping incident direction, partially by described second
Vibration light deflects to second direction.
To realize the above-mentioned deflection to polarised light, the refractive index that the first prism array is preferable to provide in the present invention is equal to the
The refractive index of one birefringent material optical axis direction；The refractive index of second prism array is equal to the second birefringent material optical axis side
To refractive index；The optical axis direction of first birefringent material is different from the optical axis direction of second birefringent material, excellent
It is selected as vertical relation, specifically, arrangement side of the optical axis direction of first birefringent material along first prism array
To；The optical axis direction of second birefringent material is along the prism extending direction in second prism array.Described first
The polarization direction of polarised light is the optical axis direction of the second birefringent material, and the polarization direction of second polarised light is first two-fold
Penetrate the optical axis direction of material.
In the present invention, the first, second linearly polarized light module can be by way of mechanically or electrically switching in the first polarization mode
And second switch between polarization mode.Specifically, the first linearly polarized light module includes that the polarizer and polarization rotation are opened
It closes；The polarizer is used to for incident light being changed into linearly polarized light, and the linearly polarized light includes the first polarised light or the second polarization
Light；The first polarization rotary switch is used in the incident direction for keeping the linearly polarized light or by the direction of the linearly polarized light
Deflect to the direction of another polarised light.The second linearly polarized light module includes the second polarization rotary switch, for keeping institute
It states the incident direction of linearly polarized light and deflects to the direction of the linearly polarized light in the mode in the direction of another polarised light and carry out
Switching.
In the present invention, the refractive index of first prism array and second prism array can be identical or different, the
One birefringent material can be identical or different with the second birefringent material.
First birefringent material can be to be solidificated in the liquid crystal molecule of the first prism layer and/or described second birefringent
Material is the liquid crystal molecule for being solidificated in the second prism layer.
Embodiment one
Above-mentioned birefringent material is liquid crystal molecule, and liquid crystal molecule is pre-cured, the orientation of molecular long axis direction
It can be preconfigured, in the present embodiment, the liquid crystal molecule being cured in the prism structure of upper layer i.e. the first birefringent material 12
Long axis direction along prism array orientation arrangement (in such as figure along paper level direction arrange), and in lower layer's prism structure
The liquid crystal molecule the being cured i.e. long axis direction of the second birefringent material 13 along prism extending direction arrange (in such as figure along perpendicular to
Paper direction arrangement).
Several working conditions of the realization naked eye 3D of the embodiment of the present invention described further below.
First working condition: only lower layer's prism structure component carries out deviation to incident light
As shown in Fig. 2, back light unit output light obtains polarization direction along the linear polarization in paper level direction through the polarizer 15
Light, the first polarization rotary switch 16 is set as not rotating the polarization direction of incident light in the first working condition, therefore enters
The polarization direction of incident light when being mapped to lower layer's prism structure component is still maintained along paper level direction.
At the second polarization rotary switch 17 of two layers of prism structure component, the switch is in OFF state under this state, no
The polarization direction of incident light is rotated.
In lower layer's prism structure i.e. the second prism layer, the refraction of the second prism array 14 in lower layer's prism structure component
Rate is isotropic n2, and it is identical that n2 refractive index ne corresponding with 13 long axis direction of liquid crystal molecule is arranged in the present embodiment.Enter
Light is penetrated when by the interface of prism array 14 and liquid crystal molecule 13, the polarization direction of incident light and lower layer's prism structure component
In 13 long axis direction of liquid crystal molecule it is vertical, therefore refractive index of the incident light in liquid crystal molecule is no, and no < ne, therefore incident light
Deviation will occur in lower layer's prism structure component.
In the prism structure component of upper layer, the refractive index of the first prism array 11 in the prism structure component of upper layer be it is each to
The n1 of the same sex, and it is identical that n1 refractive index ne corresponding with 12 long axis direction of liquid crystal molecule is arranged in the present embodiment.Incident light is passing through
When crossing the interface of prism array 11 and liquid crystal molecule 12 of this layer, in the polarization direction of incident light and upper layer prism structure component
Long axis of liquid crystal molecule direction it is parallel, therefore refractive index of the incident light in liquid crystal molecule is ne, and n1=ne, therefore incident light will be
Former direction transmission is kept in the prism structure component of upper layer.
Second working condition: only prism structure component in upper layer carries out deviation to incident light
As shown in figure 3, back light unit output light obtains polarization direction along the linear polarization in paper level direction through the polarizer 15
Light, polarization rotary switch 16 is set as being rotated by 90 ° in polarization direction of second working condition to incident light, therefore is incident on down
The polarization direction of incident light when layer prism structure component becomes perpendicular to paper direction.
In lower layer's prism structure component, the refractive index of the second prism array 14 in lower layer's prism structure component be it is each to
The n2 of the same sex, and it is identical that n2 refractive index ne corresponding with 13 long axis direction of liquid crystal molecule is arranged in the present embodiment.Incident light is passing through
When crossing interface of the prism array 14 with liquid crystal molecule 13, the polarization direction of incident light and the liquid crystal in lower layer's prism structure component
13 long axis direction of molecule is parallel, therefore refractive index of the incident light in liquid crystal molecule 13 is ne, and n2=ne, therefore incident light will be under
Former direction transmission is protected in layer prism structure component.
At the polarization rotary switch 17 of two layers of prism structure component, the switch is in OFF state under this state, not to entering
The polarization direction for penetrating light is rotated.
In the prism structure component of upper layer, the refractive index of the first prism array 11 in the prism structure component of upper layer be it is each to
The n1 of the same sex, and it is identical that n1 refractive index ne corresponding with 12 long axis direction of liquid crystal molecule is arranged in the present embodiment.Incident light is passing through
When crossing the interface of prism array 11 and liquid crystal molecule 12 of this layer, in the polarization direction of incident light and upper layer prism structure component
12 long axis direction of liquid crystal molecule it is vertical, therefore refractive index of the incident light in liquid crystal molecule is no, and no < ne, therefore incident light will
Deviation occurs in the prism structure component of upper layer.
The following are the working conditions for realizing that 2D is shown
Third working condition: two layers of prism structure component is to incident light without deviation
As shown in figure 4, back light unit output light obtains polarization direction along the linear polarization in paper level direction through the polarizer 15
Light, the first polarization rotary switch 16 are set as being rotated by 90 ° in polarization direction of second working condition to incident light, therefore incident
The polarization direction of incident light when to lower layer's prism structure component becomes perpendicular to paper direction.
In lower layer's prism structure component, the refractive index of the prism array in lower layer's prism structure component is isotropic
N2, and it is identical that n2 refractive index ne corresponding with long axis of liquid crystal molecule direction is arranged in the present embodiment.Incident light is passing through prism battle array
When the interface of column and liquid crystal molecule, the polarization direction and the long axis of liquid crystal molecule direction in lower layer's prism structure component of incident light
In parallel, therefore refractive index of the incident light in liquid crystal molecule is ne, and n2=ne, therefore incident light will be in lower layer's prism structure component
Protect former direction transmission.
At the second polarization rotary switch 17 of two layers of prism structure component, the switch is on state under this state, right
The polarization direction of incident light is rotated by 90 °.Therefore the changeable direction of polarization of emergent light is the horizontal direction for being parallel to paper.
In the prism structure component of upper layer, the refractive index of the prism array in the prism structure component of upper layer is isotropic
N1, and it is identical that n1 refractive index ne corresponding with long axis of liquid crystal molecule direction is arranged in the present embodiment.Incident light is by this layer
When the interface of prism array and liquid crystal molecule, the polarization direction of incident light and the liquid crystal molecule in the prism structure component of upper layer are long
Axis direction is parallel, therefore refractive index of the incident light in liquid crystal molecule is ne, and n1=ne, therefore incident light will be in upper layer prism structure
Also former direction transmission is kept in component.
The 2D/3D display device that embodiment two is realized using one structure of above-described embodiment
The structure of above-described embodiment is applied in 3D display field, display surface can be set in the light emission side of total
Plate, such as LCD.And it may be implemented to provide the backlight being integrally oriented to LCD using the structure, and then realize that 2D/3D is shown.
It can be switched over by controlling above-mentioned first state and the second state, realize that timesharing shows left-eye view and right eye
View as seen in figs. 5-6, and then achievees the purpose that directive property backlight type 3D display.
Structure can be made to be in the third state by control the second polarization rotary switch, to realize that 2D is shown.
The method that embodiment three utilizes the realization 2D/3D of one structure of above-described embodiment
The described method includes:
When carrying out 3D display:
Alternately step 1 and 2:
Step 1: first polarised light is obtained by the first linearly polarized light module and is incident to first prism layer,
And second prism layer is incident to by the second linearly polarized light module；
Step 2: second polarised light being obtained by the linearly polarized light module and is incident to first prism layer, and is passed through
Cross incident second prism layer of the second linearly polarized light module；
When carrying out 2D display, second polarised light is obtained by the first linearly polarized light module and is incident to described the
One prism layer, and second polarised light is converted into first polarised light by the second linearly polarized light module and is incident to
Second prism layer.
Specifically, the first linearly polarized light module includes the polarizer and the first polarization rotary switch；The polarizer obtains
Obtain the linearly polarized light of first polarised light or second polarised light；By the polarization rotary switch by the linearly polarized light
It keeps incident direction or deflects to the direction of another polarised light.
In the preferred embodiment of the present invention, the orientation of two layers of prism array is identical, and the extending direction of prism is also identical.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of structure for realizing 2D/3D switching, which is characterized in that successively include that First Line is inclined according to the direction that light passes through
Vibration optical module, the first prism layer, the second linearly polarized light module and the second prism layer；
The first linearly polarized light module is used in the first polarization mode that can pass through the first polarised light and can polarize by second
It is switched between second polarization mode of light；First polarised light is different with the polarization direction of second polarised light；
First prism layer includes the first prism array and the first birefringent material, and second prism layer includes the second prism
Array and the second birefringent material；
The second linearly polarized light module is used in the first polarization mode that can pass through the first polarised light and can polarize by second
It is switched between second polarization mode of light；
When the first linearly polarized light module and the second linear polarization module are in identical polarization mode, the structure is whole
It is arranged to polarize the first polarization light directing first direction when by described second when through first polarised light
The second polarization light directing second direction, the first direction are different from the second direction by the light time；
When the first linearly polarized light module and the second linear polarization module are in different polarization mode, the structure is whole
It is arranged to keep the former direction of propagation of the polarised light when through first polarised light or second polarised light.
2. realizing the structure of 2D/3D switching as described in claim 1, which is characterized in that
First prism layer is used to first polarised light deflecting to first direction, and second polarised light is kept incident
Direction；
Second prism layer is used to first polarised light keeping incident direction, and second polarised light is deflected to second
Direction.
3. realizing the structure of 2D/3D switching as described in claim 1, which is characterized in that
The refractive index of first prism array is equal to the refractive index of the first birefringent material optical axis direction；
The refractive index of second prism array is equal to the refractive index of the second birefringent material optical axis direction；
The optical axis direction of first birefringent material is different from the optical axis direction of second birefringent material；
The polarization direction of first polarised light is the optical axis direction of the second birefringent material, the polarization side of second polarised light
To the optical axis direction for the first birefringent material.
4. realizing the structure of 2D/3D switching as described in claim 1, which is characterized in that
The first linearly polarized light module and the First Line polarization module are polarized by way of mechanically or electrically switching first
It is switched between mode and the second polarization mode.
5. realizing the structure of 2D/3D switching as described in claim 1, which is characterized in that
The first linearly polarized light module includes the polarizer and the first polarization rotary switch；
The polarizer is used to for incident light being changed into linearly polarized light, and the linearly polarized light includes the first polarised light or the second polarization
Light；
The first polarization rotary switch is used in the incident direction for keeping the linearly polarized light and by the side of the linearly polarized light
It is switched over into the mode in the direction for deflecting to another polarised light；
The second linearly polarized light module includes the second polarization rotary switch, in the incident direction for keeping the linearly polarized light
It is switched over in the mode in the direction that the direction of the linearly polarized light is deflected to another polarised light.
6. as described in claim 1 realize 2D/3D switching structure, which is characterized in that first prism array with it is described
The refractive index of second prism array is identical.
7. realizing the structure of 2D/3D switching as claimed in claim 3, which is characterized in that
The optical axis direction of first birefringent material along first prism array arragement direction；
The optical axis direction of second birefringent material is along the prism extending direction in second prism array.
8. realizing the structure of 2D/3D switching as described in claim 1, which is characterized in that first birefringent material is solid
Changing in the liquid crystal molecule of the first prism layer and/or second birefringent material is the liquid crystal molecule for being solidificated in the second prism layer.
9. a kind of method for realizing 2D/3D switching, applied to as the described in any item realization 2D/3D of claim 1-8 switch
In structure, which is characterized in that the described method includes:
When carrying out 3D display:
Alternately step 1 and 2:
Step 1: first polarised light being obtained by the first linearly polarized light module and is incident to first prism layer, and is passed through
It crosses the second linearly polarized light module and is incident to second prism layer；
Step 2: second polarised light being obtained by the linearly polarized light module and is incident to first prism layer, and passes through institute
State incident second prism layer of the second linearly polarized light module；
When carrying out 2D display, second polarised light is obtained by the first linearly polarized light module and is incident to first rib
Mirror layer, and by the second linearly polarized light module by second polarised light be converted to first polarised light be incident to it is described
Second prism layer.
10. realizing the method for 2D/3D switching display as claimed in claim 9, which is characterized in that the first linearly polarized light mould
Block includes the polarizer and the first polarization rotary switch；
The polarizer obtains the linearly polarized light of first polarised light or second polarised light；
The linearly polarized light is kept into incident direction by the first polarization rotary switch or deflects to the side of another polarised light
To.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654616.9A CN109358429B (en) | 2018-06-22 | 2018-06-22 | Structure and method for realizing 2D/3D switchable |
| PCT/CN2018/114110 WO2019242208A1 (en) | 2018-06-22 | 2018-11-06 | Structure and method for achieving naked-eye 3d and switchable 2d/3d |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654616.9A CN109358429B (en) | 2018-06-22 | 2018-06-22 | Structure and method for realizing 2D/3D switchable |
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| Publication Number | Publication Date |
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| CN109358429A true CN109358429A (en) | 2019-02-19 |
| CN109358429B CN109358429B (en) | 2021-02-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109870822A (en) * | 2019-04-19 | 2019-06-11 | 京东方科技集团股份有限公司 | A kind of display system and its control method, medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070046897A1 (en) * | 2005-08-24 | 2007-03-01 | Samsung Electronics Co., Ltd. | Polarization converting system, method of manufacturing the same and liquid crystal display using the same |
| CN101257639A (en) * | 2007-02-27 | 2008-09-03 | 三星电子株式会社 | Highly efficient 2D/3D switchable stereoscopic display apparatus |
| CN104950544A (en) * | 2015-07-30 | 2015-09-30 | 重庆卓美华视光电有限公司 | Naked eye 3D display module |
-
2018
- 2018-06-22 CN CN201810654616.9A patent/CN109358429B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070046897A1 (en) * | 2005-08-24 | 2007-03-01 | Samsung Electronics Co., Ltd. | Polarization converting system, method of manufacturing the same and liquid crystal display using the same |
| CN101257639A (en) * | 2007-02-27 | 2008-09-03 | 三星电子株式会社 | Highly efficient 2D/3D switchable stereoscopic display apparatus |
| CN104950544A (en) * | 2015-07-30 | 2015-09-30 | 重庆卓美华视光电有限公司 | Naked eye 3D display module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870822A (en) * | 2019-04-19 | 2019-06-11 | 京东方科技集团股份有限公司 | A kind of display system and its control method, medium |
| CN109870822B (en) * | 2019-04-19 | 2021-01-26 | 京东方科技集团股份有限公司 | Display system, control method thereof and medium |
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| CN109358429B (en) | 2021-02-19 |
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