CN104749671B - The manufacturing method of grating, 3 d display device, grating and 3 d display device - Google Patents
The manufacturing method of grating, 3 d display device, grating and 3 d display device Download PDFInfo
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- CN104749671B CN104749671B CN201510065089.4A CN201510065089A CN104749671B CN 104749671 B CN104749671 B CN 104749671B CN 201510065089 A CN201510065089 A CN 201510065089A CN 104749671 B CN104749671 B CN 104749671B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
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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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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
- G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B2005/1804—Transmission gratings
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
The invention belongs to stereo display technique field, a kind of grating, grating manufacturing method, 3 d display device and its manufacturing method are provided.Grating includes：First transparent element and the second transparent element, second transparent element is in cylindrical lens shape, first transparent element is arranged along first direction, second transparent element is arranged in a second direction, there is angle between the first direction and the second direction, first transparent element is for being diffused the light being emitted after second transparent element.The present invention also provides grating manufacturing method, 3 d display device and its manufacturing methods.The present invention has the advantages of granular sensation for reducing and showing screen when stereoscopic display, raising 3 d display device display resolution.
Description
Technical field
The present invention relates to stereo display technique fields, and the solid in particular to a kind of grating, and with the grating is aobvious
Showing device, the manufacturing method of grating and the manufacturing method of 3 d display device.
Background technology
Bore hole stereoscopic display technology need not wear traditional glasses, be shown closer to people's routine use custom as 3D
Show the trend of technology development.Bore hole stereoscopic display panel includes mainly display panel and parallax light-splitting device.Wherein, display panel
Liquid crystal display panel or Plasmia indicating panel, parallax light-splitting device is mainly used mainly to have parallax obstacle grating and cylindrical lens light
Grid.
Since the pitch of conventional Lenticular screen is much larger than the size of display pixel cells, when carrying out stereoscopic display,
The edge of Lenticular screen can form granular display unit to the segmentation effect that pixel unit generates, and reduce display screen
Fine and smooth sense.Therefore screen resolution will produce larger loss when stereoscopic display, influence display effect.At present industry it is also proposed that
Some improve the method for stereoscopic display resolution ratio, but these methods, there is realization method complexity, manufacture craft cost is higher, right
The shortcomings of controllability of technological process is poor.And the grating produced still has granular sensation, the low problem of display resolution.
Invention content
At least one of to solve above-mentioned technical problem, the purpose of the present invention is to provide a kind of gratings, can reduce
The granular sensation that screen is shown when stereoscopic display improves the display resolution of 3 d display device.
The present invention provides a kind of grating, is set to the light emission side of display panel, including：First transparent element and second transparent
Element, second transparent element are in cylindrical lens shape, and first transparent element is arranged along first direction, described second transparent yuan
Part is arranged in a second direction, there is angle between the first direction and the second direction, first transparent element for pair
The light being emitted after second transparent element is diffused, and first transparent element includes multiple along the first party
To the curved face unit being arranged in order, the curved surface of the curved face unit includes multiple micro- curved face units, each micro- curved face unit
There are inverse relation, the width of each micro- curved face unit for the size of the pixel unit of regular shape degree and the display panel
It is consistent.
Preferably, the grating further includes a middle layer, the middle layer is located at first transparent element and described the
Between two transparent elements, for connecting first transparent element and second transparent element.
Preferably, second transparent element has birefringence.
Preferably, first transparent element, the middle layer can be respectively by the material of birefringence or unirefringence rates
Material be made.
Preferably, the refractive index of the middle layer is different from the folding of first transparent element, second transparent element
Penetrate rate.
Preferably, first transparent element and the middle layer are by the different optical cement of refractive index or optical plastic system
At.
Preferably, second transparent element includes multiple lens units being arranged in order along the second direction, it is described
The periodicity of curved face unit arrangement is more than the periodicity of the lens array.
Preferably, the lens unit includes liquid crystal layer, the liquid crystal layer filler is in the lens unit backwards to described
In the cylindrical groove of one transparent element side.
Preferably, the curved face part of the curved face unit is arranged in order setting along third direction equipped with multiple with a determining deviation
Groove.
Preferably, the third direction is identical as the second direction.
Preferably, the curved face part of the curved face unit includes multiple micro- curved face units.
Preferably, the angle is а, ranging from 0 ° of а≤90 ° ＜ of the а.
The present invention also provides a kind of 3 d display device, including display panel and the grating set on display panel light emission side,
The grating has the grating of aforementioned structure.
The present invention also provides a kind of grating manufacturing methods, which is characterized in that the described method comprises the following steps：
S1 provides the first transparent element being diffused to light, and first transparent element is arranged along first direction；
S3 provides the second transparent element being divided to light, second transparent element and first transparent element
It is oppositely arranged, second transparent element is arranged in a second direction；Have between the wherein described first direction and the second direction
Angle.
Preferably, the method further includes：
S2 provides a middle layer, and the middle layer is separately connected first transparent element and second transparent element.
Preferably, the S1 is specifically included：
S11 coated optical glue on the first substrate；
The optical cement one that is coated with of the first substrate is placed on the first reverse mould version with default curved surface by S12
On；
S13 curing moldings form first transparent element.
Preferably, the S2 is specifically included：
S21 rotates first transparent element a to predetermined angular；
S22 is coated on the curved surface of first transparent element has certain thickness optical cement；
S23 by first transparent element be coated with the one of optical cement be placed on one with preset shape the second reverse mould
Middle layer is formed in version.
Preferably, the S3 is specifically included：
S31 filling liquid crystals into the groove of the semi-cylindrical of the middle layer；
S32, which cures the Formation of liquid crystals, has the second transparent element of cylindrical lens shape.
Preferably, the thickness of the middle layer is more than the thickness of first transparent element and second transparent element
The sum of thickness.
The present invention also provides a kind of manufacturing methods of 3 d display device, which is characterized in that the 3 d display device
Manufacturing method includes foregoing grating manufacturing method.
Grating, grating manufacturing method, 3 d display device and its manufacturing method provided by the invention have reduction three-dimensional aobvious
The advantages of showing the granular sensation of screen when showing, improving 3 d display device display resolution.
Description of the drawings
Fig. 1 shows the structural schematic diagram of the preferred embodiment of stereoscopic display display device of the present invention.
Fig. 2 shows the structural schematic diagrams of the first embodiment of grating of the present invention.
Fig. 3 shows the first transparent element structural schematic diagram of the second embodiment of grating of the present invention.
Fig. 4 shows the first transparent element structural schematic diagram of the 3rd embodiment of grating of the present invention.
Fig. 5 shows the flow diagram of the preferred embodiment of the manufacturing method of grating of the present invention.
Fig. 6 shows the process flow diagram of the preferred embodiment of the manufacturing method of grating of the present invention.
Fig. 7 is the detailed process schematic diagram of step S1 in Fig. 5.
Fig. 8 is the detailed process schematic diagram of step S2 in Fig. 5.
Fig. 9 is the detailed process schematic diagram of step S3 in Fig. 5.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in mode and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific implementation mode limitation.
Embodiment 1
Fig. 1 is referred to, Fig. 1 shows the structural schematic diagram of the preferred embodiment of stereoscopic display display device of the present invention.Such as
Shown in Fig. 1,3 d display device of the invention includes display panel 1 and grating 2, is arranged in matrix including multiple on display panel 1
The pixel unit of row.Grating 2 is located at the light emission side of display panel 1.
Fig. 2 is referred to, Fig. 2 shows the structural schematic diagrams of the first embodiment of grating of the present invention.As shown in Fig. 2, this hair
Bright grating 2 includes：First transparent element 203 and the second transparent element 201, second transparent element 201 are in cylindrical lens shape, should
First transparent element 203 is arranged along first direction, which arranges in a second direction, the first direction with should
There is angle between second direction, first transparent element is for expanding the light being emitted after second transparent element
It dissipates.
In the above-described embodiments, the light which sends out second transparent element 201 expands
It dissipates so that uniform in light emission.Thus, optical grating construction of the invention can reduce the granular sensation of display device, improve display device
Display resolution.
Preferably, grating 2 further includes a middle layer 202, middle layer 202 be located at first transparent element 203 with this second
Between transparent element 201.The articulamentum of the middle layer 202 as first transparent element 203 and second transparent element 201,
First transparent element 203 and second transparent element 201 are connected, is an entirety, facilitates installation.
Preferably, second transparent element 201 has birefringence, such as liquid crystal material.
Preferably, the refractive index of the middle layer 202 is different from first transparent element 203, second transparent element 201
Refractive index.In this way so that the diffusion of light is evenly.And the refractive index of the first transparent element 203 and the second transparent element 201 can
It is identical.Further, the first transparent element 203 is such as had by being made of the material of the material of birefringence or unirefringence rate
The resin of unirefringence rate, the either liquid crystal with birefringence or for the preferable optical cement of transmitance or optical plastic etc..
The middle layer 202 is made of the preferable optical cement of transmitance or optical plastic.
Preferably, first transparent element 203 is made with the middle layer 202 of the different optics glue material of refractive index.This
Sample, the middle layer 202 can also be divided the second transparent element 201.Middle layer 202 not only plays a part of articulamentum, also
Play light splitting effect.This light that the second transparent element 201 is emitted more uniformly is spread.
In the above-described embodiments, the second transparent element 201 is equivalent to existing Lenticular screen, point as display device
Optical device is controlled by the switch element (such as twisted nematic liquid crystals box) switched for display pattern, is carried out 2D/3D and is shown
Switching, thus the 3 d display device of the present invention may be implemented 2D and show and 3D display.
Please with further reference to Fig. 2, which includes multiple curved surfaces being arranged in order along aforementioned first direction
Unit, second transparent element 201 include multiple lens units being arranged in order along aforementioned second direction, curved face unit arrangement
Periodicity be more than the lens array periodicity.That is, each curved face unit is in curved face unit orientation
Width be less than width of each lens unit on lens array direction, i.e., in identical reference length, curved surface list
The quantity of member is more than the quantity of lens unit.This can reduce the crosstalk of 3 d display device.In the present embodiment, above-mentioned curved surface
Unit mainly realizes light splitting by its arc-shaped curved surface, and certain curved face unit can also have other curve forms, such as pyramid, rib
Platform shape, truncated cone-shaped or zigzag etc..
Preferably, the lens unit includes liquid crystal layer, the liquid crystal layer filler is in the lens unit backwards to described
In the cylindrical groove of one transparent element, 203 side.
Preferably, angle is а between the first direction and the second direction, the value range of angle а is 0 ° of а≤90 ° ＜.
Embodiment 2
Fig. 3 is referred to, Fig. 3 shows the structural schematic diagram of the first transparent element of the second embodiment of grating of the present invention.
As shown in figure 3, the grating of the present embodiment is roughly the same with the optical grating construction of above-described embodiment 1, difference lies in：First transparent element
Each curved face unit be equipped with multiple grooves for being arranged in order setting with a determining deviation along a third direction.Preferably, the third
Direction is identical as the second direction.These grooves can be spaced set, can also be with not spaced set.And each groove
Depth can differ.In addition, changeably, groove can also be continuously arranged in each curved face unit.
Embodiment 3
Fig. 4 is referred to, Fig. 4 shows the structural schematic diagram of the first transparent element of 3rd embodiment of grating of the present invention.Such as
Shown in Fig. 4, the grating of the present embodiment is roughly the same with the optical grating construction of above-described embodiment 1, difference lies in：The curved face unit 502
Curved surface include multiple micro- curved face units 501.It can be understood as on the basis of cylindrical lenses unit, by cylindrical lens unit
Curved surface further refines out multiple micro- curved face units 501.The curve form of each micro- curved face unit 501 can carry out to a certain degree
Variation, the curved design of small radius of curvature may be used, can also be to be designed to plane etc. so that each micro- curved face unit
501 shape differs.Preferably, to ensure that moire fringes effect is identical, the width of above-mentioned each micro- curved face unit 501 can be protected
It holds consistent.Further, in this embodiment the curved surface of each micro- curved face unit 501 be using the center of the curved face unit as base
Accurate symmetrical setting.Curved face unit in the present embodiment can be made of the different material of two layers of refractive index.The light of the present embodiment
Grid can increase the periodicity of grating, refine grating by the way that multiple micro- curved face units 501 are arranged in the curved surface 502 of curved face unit
Lines, be conducive to improve stereoscopic display clarity, to improve display effect.
In addition, in a variant embodiment, micro- curved surface can be set according to the arrangement of pixel unit on display panel
The scrambling of unit 501.By experiment it is found that the shape and pixel unit of each micro- curved face unit 501 of curved face unit 502
Relationship between arrangement influences whether the display effect of 3 d display device.If the size of pixel unit is bigger, the curved surface list
Micro- curved face unit of member is designed more irregularly, then display effect can be more preferable.That is, each micro- curved surface of curved face unit 502
There are inverse relations for the rule degree of unit 501 and the size of pixel unit, can be by micro- curved surface list if Pixel Dimensions are smaller
Meta design it is more regular, this can reduce design difficulty, reduce development cost, and do not interfere with display effect；If Pixel Dimensions
It is bigger, then it needs each micro- curved face unit 501 being designed more irregularly, to ensure the display effect of 3 d display device.
Embodiment 4
Fig. 5 and Fig. 6 are referred to, Fig. 5 shows the flow diagram of the preferred embodiment of the manufacturing method of grating of the present invention；
Fig. 6 shows the process flow diagram of the preferred embodiment of the manufacturing method of grating of the present invention.As shown in figure 5, the present invention
Grating manufacturing method mainly includes the following steps that：
S1 provides the first transparent element being diffused to light, and first transparent element is arranged along first direction；
S3 provides the second transparent element being divided to light, second transparent element and first transparent element
It is oppositely arranged, second transparent element is arranged in a second direction；Have between the wherein described first direction and the second direction
Angle.
Further, the method further includes：
S2 provides a middle layer, and the middle layer is separately connected first transparent element and second transparent element.
The grating of the present invention is in 3 d display device, having the granular sensation for reducing and showing screen when stereoscopic display, carrying
The advantages of high stereo display effect.
Fig. 7 is referred to, Fig. 7 is the detailed process schematic diagram of step S1 in Fig. 5.As shown in fig. 7, the S1 is specifically included：
S11 coated optical glue on the first substrate；
The optical cement one that is coated with of the first substrate is placed on the first reverse mould version with default curved surface by S12
On；
S13 curing moldings form first transparent element.
Fig. 8 is referred to, Fig. 8 is the detailed process schematic diagram of step S2 in Fig. 5.As shown in figure 8, the S2 is specifically included：
S21 rotates first transparent element a to predetermined angular；The range of the predetermined angular is 0 ° of а≤90 ° ＜.
S22 is coated on the curved surface of first transparent element has certain thickness optical cement；
S23 by first transparent element be coated with the one of optical cement be placed on one with preset shape the second reverse mould
Middle layer is formed in version.Specifically, middle layer is formed using the cured mode of pressing and forming.
Fig. 9 is referred to, Fig. 9 is the detailed process schematic diagram of step S3 in Fig. 5.As shown in figure 9, the S3 is specifically included：
S31 filling liquid crystals into the groove of the semi-cylindrical of the middle layer；
S32, which cures the Formation of liquid crystals, has the second transparent element of cylindrical lens shape.
Preferably, the thickness of the middle layer is more than the thickness of first transparent element and second transparent element
The sum of thickness.Further, the thickness of the middle layer is equal to the thickness of first transparent element and second transparent yuan described
1.5 times of the sum of the thickness of part.
Referring again to Fig. 6, in a detailed embodiment, to the first transparent element of grating of the present invention, middle layer
And second the formation of transparent element be further described.One first transparent substrate is provided first, on first transparent substrate
It is coated with liquid or gluey curable material, is placed into one first reverse mould version to be formed and multiple is arranged in order along aforementioned first direction
Curved face unit, which is arranged as required to scheduled shape, the mold as the first transparent element.Preferably,
These curved face units integrally line up comb teeth shape, and the curved surface of each curved face unit is in arc-shaped.The first transparent element is formed in this way.It will
First transparent element rotates integrally certain angle, then, the coated optical glue in curved face unit, by the light of the first transparent element
It learns glue side to be placed into one second reverse mould version, multiple be arranged in order in the recessed of semi-cylindrical is being formed far from first substrate side
Slot.Middle layer is formed in this way.The filling liquid crystal material in the groove of middle layer.Then solidification liquid crystal material forms solidification liquid crystal
Layer.The common methods such as heating may be used in the method for solidification liquid crystal.Optionally, also liquid crystal material is carried out using glass substrate
Orientation.In this way, forming the second transparent element.Therefore, element is integral by grating obtained by the above method, it is vertical being installed to
It when body display device, is installed as existing grating, additional installation burden will not be increased, it is easy to operate, it reduces
The manufacturing cost of 3 d display device.
Further, which includes multiple lens units being arranged in order along aforementioned second direction, the song
The periodicity of face unit arrangement is more than the periodicity of the lens array.That is, each curved face unit is in curved face unit
Width in orientation is less than width of each lens unit on lens array direction, i.e., in identical reference length
Interior, the quantity of curved face unit is more than the quantity of lens unit.This can reduce the crosstalk of 3 d display device.In the present embodiment
In, above-mentioned curved face unit mainly realizes that light splitting, certain curved face unit can also have other curve forms by its arc-shaped curved surface,
Such as pyramid, prismatic table shape, truncated cone-shaped or zigzag.
Further, the refractive index of the middle layer is different from the refractive index of first transparent element, second transparent element.
In this way so that the diffusion of light is evenly.And the first transparent element can be identical with the refractive index of the second transparent element.Further
Ground, the first transparent element of the material of the material of birefringence or unirefringence rate by being made, such as resin with unirefringence rate,
The either liquid crystal with birefringence or for the preferable optical cement of transmitance or optical plastic etc..The middle layer is by penetrating
The preferable optical cement of rate or optical plastic are made.
Include above-mentioned grating manufacturing method the present invention also provides a kind of manufacturing method of 3 d display device, not only reduces
The granular sensation of screen is shown when stereoscopic display, improves stereo display effect, and simple process and low cost is honest and clean.The manufacture of grating
Method refers to foregoing description, and details are not described herein.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (19)
1. a kind of grating is set to the light emission side of display panel, which is characterized in that including：First transparent element and second transparent
Element, second transparent element are in cylindrical lens shape, and first transparent element is arranged along first direction, described second transparent yuan
Part is arranged in a second direction, there is angle between the first direction and the second direction, first transparent element for pair
The light being emitted after second transparent element is diffused, and first transparent element includes multiple along the first party
To the curved face unit being arranged in order, the curved surface of the curved face unit includes multiple micro- curved face units, each micro- curved face unit
There are inverse relation, the width of each micro- curved face unit for the size of the pixel unit of regular shape degree and the display panel
It is consistent.
2. grating as described in claim 1, which is characterized in that the grating further includes a middle layer, and the middle layer is located at
Between first transparent element and second transparent element, for connecting first transparent element and described second transparent
Element.
3. grating as claimed in claim 2, which is characterized in that second transparent element has birefringence.
4. grating as claimed in claim 3, which is characterized in that first transparent element, the middle layer can be respectively by double
The material of refractive index or the material of unirefringence rate are made.
5. grating as claimed in claim 2, which is characterized in that the refractive index of the middle layer is different from described first transparent yuan
The refractive index of part, second transparent element.
6. grating as claimed in claim 5, which is characterized in that first transparent element and the middle layer by refractive index not
Same optical cement or optical plastic is made.
7. such as claim 1 to 6 any one of them grating, which is characterized in that second transparent element includes multiple along institute
The lens unit that second direction is arranged in order is stated, the periodicity of the curved face unit arrangement is more than the week of the lens array
Issue.
8. grating as claimed in claim 7, which is characterized in that the lens unit includes liquid crystal layer, the liquid crystal layer filler
In the lens unit in the cylindrical groove of first transparent element side.
9. grating as claimed in claim 7, which is characterized in that the curved face part of the curved face unit is equipped with multiple along third party
To the groove for being arranged in order setting with a determining deviation.
10. grating as claimed in claim 9, which is characterized in that the third direction is identical as the second direction.
11. grating as described in claim 1, which is characterized in that the angle is а, ranging from 0 ° of а≤90 ° ＜ of the а.
12. a kind of 3 d display device, including display panel, which is characterized in that the 3 d display device further includes such as right
It is required that 1 to 11 any one of them grating, the grating is set to the display panel light emission side.
13. a kind of grating manufacturing method, which is characterized in that the grating is the grating described in claim 1-11 any one,
It the described method comprises the following steps：
S1 provides the first transparent element being diffused to light, and first transparent element is arranged along first direction；
S3 provides the second transparent element being divided to light, and second transparent element is opposite with first transparent element
Setting, second transparent element are arranged in a second direction；There is angle between the wherein described first direction and the second direction.
14. manufacturing method as claimed in claim 13, which is characterized in that the method further includes：
S2 provides a middle layer, and the middle layer is separately connected first transparent element and second transparent element.
15. manufacturing method as claimed in claim 14, which is characterized in that the S1 is specifically included：
S11 coated optical glue on the first substrate；
The optical cement one that is coated with of the first substrate is placed in the first reverse mould version with default curved surface by S12；
S13 curing moldings form first transparent element.
16. manufacturing method as claimed in claim 15, which is characterized in that the S2 is specifically included：
S21 rotates first transparent element a to predetermined angular；
S22 is coated on the curved surface of first transparent element has certain thickness optical cement；
S23 by first transparent element be coated with the one of optical cement be placed on one with preset shape the second reverse mould version on
Form middle layer.
17. manufacturing method as claimed in claim 16, which is characterized in that the S3 is specifically included：
S31 filling liquid crystals into the groove of the semi-cylindrical of the middle layer；
S32, which cures the Formation of liquid crystals, has the second transparent element of cylindrical lens shape.
18. manufacturing method as claimed in claim 17, which is characterized in that it is transparent that the thickness of the middle layer is more than described first
The sum of the thickness of the thickness of element and second transparent element.
19. a kind of manufacturing method of 3 d display device, which is characterized in that the manufacturing method of the 3 d display device includes such as
Claim 13 to 18 any one of them grating manufacturing method.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102077601A (en) * | 2008-06-27 | 2011-05-25 | 皇家飞利浦电子股份有限公司 | Autostereoscopic display device |
| CN104199193A (en) * | 2014-07-31 | 2014-12-10 | 京东方科技集团股份有限公司 | Display device capable of switching 2D display and 3D display |
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| JP2013242538A (en) * | 2012-04-26 | 2013-12-05 | Panasonic Corp | Liquid crystal optical element and image display device including the same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077601A (en) * | 2008-06-27 | 2011-05-25 | 皇家飞利浦电子股份有限公司 | Autostereoscopic display device |
| CN104199193A (en) * | 2014-07-31 | 2014-12-10 | 京东方科技集团股份有限公司 | Display device capable of switching 2D display and 3D display |
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