CN103777359A - Adhesive film for photo-alignment layer orientation treatment - Google Patents
Adhesive film for photo-alignment layer orientation treatment Download PDFInfo
- Publication number
- CN103777359A CN103777359A CN201410060000.0A CN201410060000A CN103777359A CN 103777359 A CN103777359 A CN 103777359A CN 201410060000 A CN201410060000 A CN 201410060000A CN 103777359 A CN103777359 A CN 103777359A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- orientation
- alignment film
- light
- optical filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3016—Polarising elements involving passive liquid crystal elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00634—Production of filters
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
-
- 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
- G02B30/30—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 parallax barriers
- G02B30/32—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 parallax barriers characterised by the geometry of the parallax barriers, e.g. staggered barriers, slanted parallax arrays or parallax arrays of varying shape or size
Abstract
The adhesive film has a material (10) having an optical transmission area (B) and a light cut-off region (T) which is arranged adjacent to optical transmission area. The optical transmission area and the light cut-off region are provided with respective stripe geometry. A gap having width of unit pixel for left-eye of display unit is formed between adjacent light cut-off regions. Independent claims are included for the following: (1) optical filter; (2) manufacturing method of optical filter; and (3) dimensional image displaying device.
Description
The application is divisional application, and the applying date of its original application is on January 24th, 2011, and application number is 201180006678.5, and name is called " for the adhesive membrane of optical alignment film orientation process ".
Technical field
The present invention relates to manufacture method and optical filter or the holographic display device of a kind of adhesive membrane for optical alignment film orientation process, laminated film, optical filter.
The present invention advocates right of priority on January 22nd, 2010 on the korean patent application 2010-0005907 basis in Korean application, and includes in full herein.
Background technology
Holographic display device is the display device that can represent the image with depth perception.Existing image display can only be in image display surface performance information, therefore there is the limitation of losing the target depth information that all will show.
Due to holographic display device can be in space display-object three-dimensionally, therefore the three-dimensional information of object itself intactly can be passed to observer, therefore make the demonstration with vivid effect become possibility.
Stereopsis display technique is divided into spectacle and bore hole formula substantially.And spectacle can be divided into polarization type and LC shutter (LC shutter glass), bore hole formula can be divided into two formula/many viewpoints binocular parallax formulas, volume type (volumetric type) or holographic formula etc.
Summary of the invention
The problem that invention will solve
The object of the present invention is to provide manufacture method and optical filter or the holographic display device of a kind of adhesive membrane for optical alignment film orientation process, laminated film, optical filter.
Solve the method for problem
The present invention relates to a kind of adhesive membrane for optical alignment film orientation process with the base material (substrate) that comprises photic zone and shading region.
Below, adhesive membrane of the present invention is elaborated.
Adhesive membrane of the present invention can be for for example carrying out the process of orientation process to optical alignment film light irradiation.In an illustration, above-mentioned adhesive membrane can carry out using in the process of orientation process on optical alignment film, and wherein this orientation process is used to form pattern or the mutually different two or more orientation area of direction of orientation of the second orientation area that at least comprises the first orientation area of the first direction of orientation and second direction of orientation different from above-mentioned the first direction of orientation.In above-mentioned orientation process process, the base material that is formed with photic zone and shading region can play a kind of mask effect.Particularly, due in adhesive membrane state, therefore can under the state that above-mentioned base material is attached to optical alignment film, under the state that does not have in fact interval between optical alignment film and base material, carry out orientation process, thereby there is not unoriented rigion, and then can form high-precision orientation pattern.
Term " optical alignment film " can comprise use as this area carry out to induce the alignment films of comprised molecule towards all kinds of certain orientation orientation by irradiation.In an illustration, above-mentioned optical alignment film can be following alignment films: carry out induced orientation by for example irradiation of straight line polarized ultraviolet of polarized ultraviolet, and while being formed with liquid-crystal compounds at an upper portion thereof, by inducing the orientation of above-mentioned liquid-crystal compounds with the interaction of liquid-crystal compounds.
In an illustration of the present invention, above-mentioned optical alignment film can be the optical filter optical alignment film of holographic display device.Can enumerate the retardation element (patterned retarder) of patterning as the example of the optical filter for holographic display device.
In the present invention, term " photic zone " refer to can make from base material top or the light transmission of bottom incident and from opposition side penetrate region, term " shading region " refer to can absorb or cover from base material top or the light of bottom incident make its cannot from opposition side penetrate region.
Fig. 1 is the sectional view of the base material 10 that comprises of exemplary expression adhesive membrane of the present invention.As shown in Figure 1, adhesive membrane base material 10 comprises the photic zone T that can make the light (representing with arrow in the accompanying drawings) of thickness direction irradiation see through and the shading region B that can cover or absorb above-mentioned light.On base material, can form respectively more than one above-mentioned photic zone and shading region.
The above-mentioned shading region forming on base material of the present invention and the shape of photic zone are also not particularly limited, and can decide according to the orientation pattern of target light alignment films.
In an illustration of the present invention, above-mentioned photic zone and shading region can have respectively striped (stripe) shape, and can adjacent to each otherly alternately form.Fig. 2 is the figure that model utility represents to illustrate from top observation the present invention one base material.In the base material 10 of figure, photic zone T and shading region B alternately form with striated.
In the time that photic zone and shading region alternately form with striated, be not specially limited the spacing of above-mentioned zone, i.e. the interval (V of Fig. 2) of the shading region of the interval sum (P of Fig. 2) between the live width of a shading region and the shading region that is adjacent and adjacency.And above-mentioned interval can be decided according to optical alignment film use.
For example, in the time that the above-mentioned optical alignment film optical filter that is holographic display device is used optical alignment film, the spacing of photic zone and the shading region that is adjacent can be the twice that forms the left eye image of above-mentioned holographic display device display part or unit picture element (pixel) width of right eye image.As shown in Figure 6, holographic display device for example can comprise as the display part of display board 62 with as the optical filter 63 of patterning retardation element conventionally.And, as shown in Figure 3, for generating the left eye unit picture element (left eye unit picture element, the UL of Fig. 3) of image and can be with striated alternate configurations in above-mentioned display part for the unit picture element (right eye unit picture element, the UR of Fig. 3) that generates right eye use image.In the present invention, in the time being applicable to the optical alignment film of adhesive membrane and being applicable to the optical filter of above-mentioned holographic display device, preferred above-mentioned spacing P has with the twice of unit picture element (UR or the UL) width (W1 of Fig. 3 or W2) of above-mentioned display part and is worth identical numerical value.
In the present invention, term " identical " refers to that the essence in the scope of not destroying effect of the present invention is identical, for example, comprise the error of considering foozle (error) or deviation (variation) etc.
For example, above-mentioned spacing comprises approximately ± 60 μ m with interior error with identical the referring to of twice of unit picture element width, preferably comprises approximately ± 40 μ m with interior error, more preferably comprises approximately ± 20 μ m with interior error.
By to regulate as described above above-mentioned spacing, can prevent from alignment films, producing unoriented rigion after orientation process, and can form and there is high-precision orientation pattern.Therefore,, in the time thering is the optical filter of above-mentioned alignment films and be applicable to holographic display device, can prevent the generation of so-called crosstalking (crosstalk) etc.
And the interval, shading region (V of Fig. 2) of above-mentioned middle adjacency preferably has the value for example, with the width (, the W1 of Fig. 3 or W2) of the left eye unit picture element of holographic display device display part or right eye unit picture element identical.In above-mentioned, the value identical with unit picture element width refers to that the essence in aforementioned is identical, and for example comprise ± 30 μ m, with interior error, preferably comprise approximately ± 20 μ m with interior error, more preferably comprise approximately ± 10 μ m with interior error.The width of above-mentioned interval and unit picture element is set in the same manner, thus the generation of unoriented rigion while preventing orientation process, and then can form the orientation pattern with more excellent precision.And, when optical filter is when the display device, each polarization conversion portion can with left eye with and the unit picture element of right eye use video generation portion effectively corresponding, thereby the generation that can prevent from crosstalking etc.
The photic zone of base material of the present invention and the shape of shading region are not limited to above-mentioned striated, can change according to other purposes of the form of the video generation portion of holographic display device or applicable optical alignment film of the present invention.
For example, when optical alignment film of the present invention be used in the optical filter of holographic display device and left eye with and right eye unit picture element be formed as chequer in display part time, above-mentioned shading region still can be configured to chequer in the mode corresponding with above-mentioned pixel with photic zone.Now, the spacing in each region and interval can stipulate with above-mentioned same way, for example, the spacing of photic zone and the shading region being adjacent in fact can with the left eye that is formed as above-mentioned chequer with or the twice of right eye unit picture element width identical, and interval between the shading region of adjacency in fact can be identical with the width of above-mentioned unit picture element.Above-mentioned spacing and interval can refer to vertical or horizontal spacing and interval in the photic zone of arranging with chequer and shading region, and the width of unit picture element can refer to the vertical or horizontal width of above-mentioned pixel.
The base material of adhesive membrane of the present invention for example can comprise light transmission thin plate and on described thin plate, form light-proofness or the light absorptive ink of shading region.
,, form thus shading region, thereby manufacture above-mentioned base material at light transmission thin sheet surface printing light-proofness or light absorptive ink according to target pattern.
Above-mentioned " light transmission thin plate " refers to and can make the light that uses in the light orientation process thin plate that for example ultraviolet ray effectively sees through, the above-mentioned amount that can refer to see through the orientation process degree of functioning to optical alignment film that effectively sees through.For example, above-mentioned light transmission thin plate, as at the low thin plate of ultraviolet (UV) region absorptance, can be to be the thin plate below 10% to the absorptivity of the following wavelength light of about 320nm.Such thin plate can exemplify out as the cellulose-based thin plate of cellulose triacetate etc. or as the alkylene thin plate of norbornene derivative thin plate etc. etc., as long as thin plate can show suitable light transmission and just be not limited to above-mentioned thin plate.Above-mentioned light transmission gauge of sheet is not particularly limited, and is considering in the situations such as object, purposes and penetrability and can suitably select.
Conventionally, above-mentioned thin plate uses as the base material of diaphragm, in order to prevent the pollution of alignment films and improve orientation in the manufacture process of optical filter.In an illustration of the present invention; on the base material of said protection film, directly form shading region; so that said protection film has mask function in having defencive function; and by the method for irradiation light before or after the attaching of this film; even if do not use extras etc., also can manufacture high-precision optical filter by simple, large-duty method.
On the one hand, on above-mentioned thin plate, form the ink type of shading region and be not particularly limited, can use known light-proofness or light absorptive ink.Can enumerate and comprise as inorganic pigments such as carbon black (carbon black), graphite or iron oxide or as the ink of the organic pigments such as azo group pigment or phthalocyanine base pigment as such ink example, above-mentioned ink suitably coordinates and can be used in typography with bonding agent (binder) and/or solvent (solvent).
The printing process that is used to form above-mentioned shading region is not particularly limited, for example, can use the selectivity injection method of the common printing process such as screen printing or intaglio printing or ink-jetting style.
In the present invention, the printing height of above-mentioned ink can be approximately 0.1 μ m to 4 μ m, preferably approximately 0.5 μ m to 2.0 μ m.But printing height of the present invention is not subject to the above restrictions.For example, if above-mentioned printing height is too low, may reduce shaded effect, if contrary too high, be difficult to adhesive membrane of the present invention, for the protection of film, therefore in the situation that considering these problems, can suitably select printing height.
Adhesive membrane of the present invention can further comprise at least adhesion layer of one side that is formed on above-mentioned base material, and this adhesion layer for being adjacent to above-mentioned base material on optical alignment film.Described being adjacent to refers to the meaning that does not have in fact interval between optical alignment film and base material as described above.Fig. 4 is an illustrative sectional view of adhesive membrane of the present invention.As shown in Figure 4, adhesive membrane of the present invention can comprise the adhesion layer 20 that is formed with the base material 10 of photic zone T and shading region B and forms in its base material one side.
At material and its thickness etc. of the adhesion layer of above-mentioned middle use and be not particularly limited, considering in the situations such as orientation process condition and can suitably select.Such as above-mentioned adhesion layer as light transmission sticker can be for example acrylic compounds sticker, polyurethanes sticker, polyisobutylene class sticker, as SBR(Styrene-butadiene rubber: styrene-butadiene rubber) etc. rubber-like sticker, glymes sticker, epoxy resin sticker, melamine class sticker, polyesters sticker, phenol sticker or silicon class sticker or wherein two or more mixing sticker.
And, the present invention relates to a kind of optical filter manufacture laminated film, comprising: substrate; Optical alignment film, it is formed on aforesaid substrate; Adhesive membrane of the present invention, it is attached on above-mentioned optical alignment film.
The kind that is applicable to the above-mentioned laminated film substrate of the present invention is not particularly limited, for example, can use the common substrate that is applicable to optical filter.Example as this substrate can be enumerated common glass substrate or plastic base.Example as above-mentioned plastic base can be enumerated TAC(triacetyl cellulose: triacetyl cellulose), COP(cyclo olefin copolymer: cyclenes copolymer), Pac(Polyacrylate: polyacrylate), PES(poly ether sulfone: polyethersulfone), PC(polycarbonate: polycarbonate), PEEK(polyetheretherketon: polyetheretherketone), PMMA(polymethylmethaacrylate: polymethylmethacrylate), PEI(polyetherimide: polyetherimide), PEN(polyethylenemaphthatlate: PEN), PET(polyethyleneterephtalate: polyethylene terephthalate), PI(polyimide: polyimide), PSF(polysulfone: polysulfones), PVA(polyvinylalcohol: polyvinyl alcohol (PVA)), PAR(polyarylate: poly-aromatic ester) or the substrate of amorphous fluorine resin material etc., but be not limited to this.
In an illustration of the present invention, in the time of retardation element that above-mentioned optical filter is patterning, preferably use and form as follows substrate as above-mentioned plastic base: there is (-) c plate performance (plate property); R
ebelow 10nm, preferably below 5nm; R
thbelow 300nm, preferably below 100nm, more preferably from about below 60nm, more more preferably from about below 15nm; Refractive index is about 1.33 to 1.53.
In the slow-axis direction refractive index in base plan as N
x, quick shaft direction refractive index in plane is as N
y, using thickness direction refractive index as N
zsituation under, above-mentioned (-) c plate performance refers to that above-mentioned refractive index meets " N
x=N
y>N
z" performance of relation, Re represents with " (N
x-N
y) × d " value calculated, R
threpresent with " { (N
x+ N
y/ 2-N
z} × d " value (thickness that above-mentioned d is substrate) calculated.
In the present invention, there is above-mentioned optically anisotropic plastic base by use, for example, when the retardation element that is patterning at optical filter, can make its maximizing performance and crosstalking of display device etc. minimized, and there is the refractive index of regulation, also can keep thus good brightness etc.Particularly use and there is the plastic base of this performance, a kind of more light weight, filming can be provided and there is the filtrator of the excellent performances such as flexible.
Conventionally, in the time that the substrate as optical filter adopts plastic base, the performance of plastic base is subject to the impact of forming temperature or solvent etc. in manufacture process to a great extent, there is the shortcoming that is difficult to form high precision orientation pattern because of the contraction or expansion of oriented layer etc. etc., but the orientation process of the above-mentioned adhesive membrane of the application of the invention can overcome above-mentioned shortcoming and can make to adopt the advantage of plastic base to maximize.
The kind that is formed at the optical alignment film of aforesaid substrate in laminated film of the present invention is not particularly limited, and can use the optical alignment film of all kinds well known in the art.In an illustration of the present invention, above-mentioned optical alignment film can comprise following compound: cis-trans isomerization (cis-trans isomerization), Fries rearrangement (fries rearrangement) or the dimerization reaction (dimerization) of being induced by the irradiation of rectilinearly polarized light decide orientation, and compound that can induced orientation according to the liquid crystal layer that is oriented in adjacency determining.For example, above-mentioned optical alignment film can comprise and has more than one functional group of cohort or monomer, oligomer and the macromolecular compound of residue (moiety selected) that select free azobenzene (azobenzene), styrene benzene (styryl benzene), cumarin (cumarine), chalcone (chalcone), fluorine and cinnamate (cinnamate) to form, preferably can comprise the norbornene resin of fluorine or cinnamate residue etc.
The mode that forms above-mentioned optical alignment film in the present invention on substrate is not particularly limited, for example, it can form optical alignment film with the following methods: described compound is diluted with suitable solvent etc., and on substrate, be coated with known rubbing methods such as print roll coating, rotary coating or bar type coatings (bar coating).And, be now not specially limited the coating thickness of alignment films.
In laminated film of the present invention, above-mentioned optical alignment film can be the optical alignment film that carries out an orientation process.For example, an above-mentioned orientation process can be carried out in the following manner: attaching before adhesive membrane, optical alignment film is preferably irradiated to straight line polarized ultraviolet to whole of optical alignment film with certain orientation.
For making optical alignment film orientation, for example, more than straight line polarized ultraviolet being irradiated once, the orientation of above-mentioned alignment films is decided by the light finally irradiating.Therefore, after the optical alignment film that is contained in above-mentioned laminated film is irradiated straight line polarized ultraviolet and is once orientated with certain orientation, as described as follows, attaching under the state of adhesive membrane of the present invention, irradiate while carrying out secondary orientation with the above-mentioned once rectilinearly polarized light of the rectilinearly polarized light different directions of orientation, can effectively carry out orientation process, wherein this orientation process is used to form pattern or the mutually different two or more orientation area of direction of orientation of the second orientation area that at least comprises the first orientation area of the first direction of orientation and second direction of orientation different from above-mentioned the first direction of orientation.
In an illustration of the present invention, adopt straight line polarized ultraviolet to carry out above-mentioned once orientation, the polarization angle of above-mentioned straight line polarized ultraviolet can be and be formed at the shading region of above-mentioned adhesive membrane and the boundary line of the photic zone angle with the mode polarization of the angular cross beyond intersecting vertically, more preferably, can be the angle of the mode polarization that intersects with miter angle degree with above-mentioned boundary line.Below, in the time of regulation angle of the present invention, it comprises the following error of approximately ± 10 degree, preferably comprises the following error of approximately ± 5 degree, more preferably comprises the following error of approximately ± 3 degree.In these cases, adopt straight line polarized ultraviolet to carry out in the secondary orientation attaching after adhesive membrane, the polarization angle of the straight line polarized ultraviolet of secondary orientation can be still and be formed at the shading region of above-mentioned adhesive membrane and the boundary line of the photic zone angle with the mode polarization of the angular cross beyond intersecting vertically, in this case, the polarization angle of the straight line polarization of preferred above-mentioned secondary orientation and the above-mentioned polarization angle being once orientated can be orthogonal.Control by this way once and the polarization angle of secondary orientation, can manufacture thus and there is the more optical filter of excellent properties.
Can attach adhesive membrane of the present invention by non-oriented optical alignment film after above-mentioned once orientation or before being once orientated and manufacture laminated film of the present invention.In this case, in the time that adhesive membrane comprises adhesion layer, be attached at optical alignment film using adhesion layer as medium.In this laminated film, preferably make above-mentioned adhesive membrane and above-mentioned optical alignment film be adjacent to.In the present invention, adhesive membrane and optical alignment film are adjacent to and refer to the meaning that does not have in fact interval between optical alignment film and adhesive membrane.Adhesive membrane and optical alignment film are adjacent to as described above, can prevent thus following situation: the light of irradiation spreads in communication process between film and optical alignment film, thereby be difficult to irradiate the light of required uniform strength, and the generation of the indefinite or unoriented rigion of boundary between orientation area.
And, the present invention relates to a kind of method that adopts the invention described above laminated film to manufacture optical filter, the manufacture method about a kind of optical filter that comprises following steps, that is: the step of the optical alignment film light irradiation using the adhesive membrane base material of above-mentioned laminated film as medium to above-mentioned laminated film.
As mentioned above, in the time being orientated as medium with adhesive membrane, the light of irradiation only sees through the photic zone of adhesive membrane, and the region corresponding with photic zone of only having optical alignment film is oriented because of the irradiation of light., because being orientated, secondary make the direction being once orientated change or the alignment films of non-oriented state is oriented in the part corresponding with photic zone of optical alignment film.
In an illustration of the present invention, as mentioned above, the optical alignment film of above-mentioned laminated film can once be orientated by the irradiation of straight line polarized ultraviolet, particularly, can, by irradiating and the shading region of base material and the boundary line of the photic zone straight line polarized ultraviolet with the angular cross beyond intersecting vertically, more preferably irradiate the straight line polarized ultraviolet intersecting with miter angle degree with above-mentioned boundary line and once be orientated.In this case, the irradiation step of the manufacture method of above-mentioned optical thin film can be the irradiation for carrying out secondary orientation, as mentioned above, the irradiation of above-mentioned secondary orientation irradiates as straight line polarized ultraviolet, its polarization angle be formed at the shading region of above-mentioned adhesive membrane and the boundary line of the photic zone mode polarization with the angular cross beyond intersecting vertically, and straight line polarization angle that can be when being once orientated is orthogonal.
Fig. 5 is the figure that model utility represents the manufacture method of the present invention's one illustrative optical filter.As shown in Fig. 5 (a) to (d), manufacture method of the present invention can comprise following steps: on substrate 1, form optical alignment film 2(Fig. 5 (a)), irradiate polarized light (arrow) at above-mentioned optical alignment film 2 and be once orientated (Fig. 5 (b)), afterwards adhesive membrane 3 of the present invention is attached to optical alignment film 2(Fig. 5 (c)), carry out secondary orientation (Fig. 5 (d)) with the ultraviolet light (arrow) of different angles polarization compared with irradiating when being once orientated.Form thus the mutually different region of direction of orientation 21,22.
And as Fig. 5 (e) with (f), manufacture method of the present invention can be further comprising the steps: peel adhesion film 3 after light irradiation, and on optical alignment film 2, form liquid crystal layer 4.
The method that forms above-mentioned liquid crystal layer 4 is not particularly limited, for example can comprise the following steps: (a) photocrosslinking reaction or optical polymerism liquid-crystal compounds coated on optical alignment film and carried out orientation process, (b) and to above-mentioned liquid-crystal compounds carrying out photo-crosslinking or photopolymerization.Through above-mentioned steps, can form the different two or more regions 41,42 of direction of orientation of liquid-crystal compounds.
The kind of coating the liquid-crystal compounds on above-mentioned optical alignment film is not particularly limited, and can suitably select according to the purposes of optical filter.For example, the retardation element that is patterning at above-mentioned optical filter, above-mentioned liquid-crystal compounds can be following liquid-crystal compounds: can be orientated according to the orientation pattern of the alignment films that is positioned at bottom, and can form the polymer liquid crystal layer that demonstrates λ/4 phase difference characteristics by photo-crosslinking or photopolymerization.By using such liquid-crystal compounds, for example, can manufacture the retardation element that incident light is divided into the patterning of left circularly polarized light and right-circularly polarized light.Be well known in the art according to the purposes of required optical filter and can use plurality of liquid crystals compound, the present invention can carry out suitably selecting to use to all above-mentioned liquid-crystal compoundss.
On the one hand, in above-mentioned steps, coating of liquid crystalline compound also carries out the mode that orientation process proofread and correct according to the orientation pattern of bottom alignment films and is not particularly limited, and can adopt proper method well known in the art.
In above-mentioned steps, the liquid-crystal compounds that is oriented processing by irradiating suitable light is cross-linked or polymerization, can form thus such as phase delay layer of liquid crystal layer.
And, the present invention relates to a kind of optical filter, comprising: substrate; Optical alignment film, it forms on aforesaid substrate, and have with the first orientation area of first direction orientation process with the second orientation area of second direction orientation process, and account for below 10% of whole optical alignment film area at the non-oriented part area of above-mentioned optical alignment film.
Optical filter of the present invention can be for example the retardation element for the patterning of holographic display device.
Can be suitable for identical content as above as the substrate and the optical alignment film that can be used for optical filter of the present invention.
In optical filter of the present invention, on optical alignment film, be formed with orientation pattern, particularly, be formed with have with the first orientation area of certain first direction orientation and with the orientation pattern of the second orientation area of above-mentioned first direction different directions orientation, for example, as described above, above-mentioned the first and second orientation pattern can be with shape of stripes alternate configurations on optical alignment film.In the present invention, particularly, in above-mentioned orientation pattern, unoriented rigion accounts for below 10% of alignment films entire area, preferably accounts for below 5%, more preferably accounts for below 2%.Above-mentioned unoriented rigion is for example because following phenomenon occurs: the interval existing between optical alignment film and mask while resulting from the prior art light orientation process, the diffusion etc. via above-mentioned interval time of the light of incident.Such unoriented rigion makes the boundary between orientation area indefinite, and causes the reason of crosstalking while becoming for display device.
But, in the present invention, use above-mentioned there is the adhesive membrane of feature and above-mentioned adhesive membrane be closely attached under the state of optical alignment film carry out orientation process, can make thus the generation minimum of above-mentioned unoriented rigion.
With regard to above-mentioned unoriented rigion, between two polarizers of the orthogonal configuration of absorption axes, suitably configuration optical filter, so that direction of orientation, corresponding to above-mentioned absorption axes, is irradiated above-mentioned polarizing plate with light source, only just can cause light leak in non-oriented part.Thus, under above-mentioned state, the area ratio of above-mentioned unoriented rigion can be by measuring by the mode in polarized light microscope observing generation light leak region.
Optical filter of the present invention can make the rate of crosstalking of calculating with following general formula 1 below 5%, preferably below 2%.
X
T=（X
TL+X
TR）/2
In above-mentioned general formula 1, X
tthe ratio of crosstalking that represents the holographic display device that above-mentioned optical filter is installed, X
tLthe ratio of crosstalking that represents to observe with left eye the holographic display device that above-mentioned optical filter is installed, X
tRit is the ratio of crosstalking that represents to observe with right eye the holographic display device that above-mentioned optical filter is installed.
X in above-mentioned general formula 1
tLand X
tRcan calculate by following general formula 2 and 3 respectively.
General formula 2
X
TL={（L（
LB-RW）-L（
LB-RB）/（L（
LW-RB）-L（
LB-RB））}×100
X
TR={（L（
LW-RB）-L（
LB-RB）/（L（
LB-RW）-L（
LB-RB））}×100
In above-mentioned general formula, L(
lB-RW) to represent to have used left eye unit picture element in the holographic display device display part of above-mentioned optical filter be the brightness while being white of black and right eye unit picture element, L(
lB-RB) represent brightness when left eye unit picture element and right eye unit picture element are black in above-mentioned display part, L(
lW-RB) represent that left eye unit picture element in above-mentioned display part is the brightness while being black of white and right eye unit picture element.
The method that the above-mentioned middle state according to constituent parts pixel is measured brightness is not particularly limited, and can measure according to approach well known.
The present invention forms alignment films by described method, and the unoriented rigion scope of alignment films is minimized, and has the crosstalk optical filter of rate of above-mentioned excellence thereby can provide.
Optical filter of the present invention can further comprise the liquid crystal layer that is formed at above-mentioned optical alignment film top, as described above, in the time of retardation element that above-mentioned optical filter is patterning, above-mentioned liquid crystal layer can be phase delay layer, particularly, can be for thering is the phase delay layer of λ/4 wavelength phase difference characteristics.Such phase delay layer can form according to the orientation pattern of the optical alignment film of bottom and forms and have the first area of first direction slow axis and a pattern with the second area of the slow axis of above-mentioned first direction different directions, for example, above-mentioned the first and second regions and the pattern shown in Fig. 2 are similarly, form respectively shape of stripes and alternately form in the mode corresponding with each pixel of stereo video apparatus display part.
In these cases, the slow axis of first area forms along the direction of for example angular cross of approximately 45 degree of the angle beyond intersecting vertically with the boundary line in the first and second regions.And the slow axis of second area also forms along the direction of the angular cross beyond intersecting vertically with above-mentioned boundary line, and can form to form vertical angle with the slow axis of above-mentioned first area.The phase delay layer with λ/4 wavelength characteristic that is formed with such slow axis relation can generate respectively left circularly polarized light and right-circularly polarized light when for holographic display device.
And, the present invention relates to a kind of holographic display device that comprises optical filter of the present invention.
In an illustration of the present invention, above-mentioned optical filter can be the retardation element of patterning, and above-mentioned holographic display device can be polarization type glasses holographic display devices.
As long as holographic display device of the present invention comprises the invention described above optical filter, just can not be particularly limited other structures or working method, can adopt structure and working method in general holographic display device.
Fig. 6 is the figure that represents the cross-section structure of the present invention's one illustrative holographic display device.
Above-mentioned display device 60 can be the polarization type glasses display device that shows stereopsis to the observer who wears polaroid glasses (not shown).This display device 60 can be pressed said sequence configuration formation by the display boards 62 such as back light unit 61, LCD panel and retardation element 63, and in this case, above-mentioned retardation element 63 can comprise as optical filter of the present invention: substrate 631; Optical alignment film (omitting its diagram), it is formed on aforesaid substrate; Liquid crystal layer 632 is phase delay layer, and it forms and has described first area 632A and a second area 632B on above-mentioned optical alignment film.In this display device 60, the surface of retardation element 63 becomes image display surface towards observer's side.And, in the present embodiment, display device 60 so that the image display surface mode parallel with vertical plane (the y-z plane in Fig. 6) configure.And image display surface can be for example rectangle (rectangular), vertical (longitudinal) of image display surface is to parallel with horizontal direction (the y direction of principal axis in figure).And observer just observes image display surface wearing after polaroid glasses.
Although back light unit 61 is not specifically illustrated in the accompanying drawings, back light unit 61 for example can possess reflecting plate, light source and optical sheet.Reflecting plate is used for the light penetrating from light source to reflex to optical sheet side, and has the functions such as reflection, scattering and/or diffusion.This reflecting plate for example can be by formations such as foaming PETs (expanded polyethyleneterephthalate).Thus, can effectively utilize the emergent light penetrating from light source.Light source is used for illumination display board 62 from behind, for example, plural linear light source maybe can be arranged multiple point source of lights with same intervals configuration arranged side by side with two-dimensional approach.And, for example can use hot-cathode fluorescent lamp (HCFL as linear light source, Hot Cathode Fluorescent Lamp) or cold-cathode fluorescence lamp (CCFL, Cold Cathode Fluorescent Lamp) etc., for example can use LED(Light Emitting Diode as point source of light) etc.Optical sheet, from Luminance Distribution planar of the light of light source or the angle of divergence of the light from light source or polarization state are adjusted into required state for example, can comprise diffuser plate (diffusion plate), diffusion thin plate (diffusion sheet), prism thin plate (prism sheet), reflective polarizer element or phasic difference plate etc. and forms for homogenising.And light source can be the arbitrary form in marginal mode (edge-type) or direct-type (direct-type), and can further comprise as required light guide plate or light-leading film etc.
The first polaroid 621A is the polarizing plate that is disposed at that side of injecting to display board 62 from the light of back light unit, and the second polarizing plate 621B is the polarizing plate that is disposed at that side that light penetrates from display board 62.Polarizing plate 621A, 621B are as a kind of optical shutter, only by the light of regulation direction of vibration.For example, polarizing plate 621A, 621B can for example, configure in the mode of the mutual different predetermined angulars of their absorption axes (90 degree), make thus the light penetrating from back light unit 61 see through or cover through liquid crystal layer.
Absorption axes (not shown) direction (direction) of the first polaroid 621A is set in the scope that can make the light transmission penetrating from back light unit 61.For example, when the polarisation of light axle penetrating from back light unit 61 is in vertical direction time, the absorption axes of polarizing plate 621A is also towards vertical direction, and when the polarisation of light axle penetrating from back light unit 61 is in horizontal direction time, the absorption axes of the first polaroid 621A is also towards horizontal direction.And the light penetrating from back light unit 61 is not restricted to rectilinearly polarized light, can be circularly polarized light, elliptically polarized light or without polarized light.
The absorption axes direction of the second polarizing plate 21B configures in the mode of the light transmission that can make transmission display plate 62.For example, when the absorption axes direction of the first polaroid 621A is in horizontal direction time, the absorption axes of the second polarizing plate 621B can be towards the direction intersecting vertically with above-mentioned absorption axes, i.e. vertical direction, when the absorption axes direction of the first polaroid 621A is in vertical direction time, the absorption axes of the second polarizing plate 621B can be towards the direction intersecting vertically with above-mentioned absorption axes, i.e. horizontal direction.
Transparency carrier the 622, the 629th, the transparency carrier that conventionally can make visible light see through.And, for example can be formed with source driving circuit (active drive circuit) at the transparency carrier of back light unit 61 sides, this active driving circuit comprises the TFT(Thin Film Transistor being electrically connected with transparent pixels electrode as driving element: thin film transistor (TFT)) and distribution etc.Pixel electrode 623 is for example by ITO(Indium Tin Oxide: indium tin oxide) form, play the function of the electrode of each pixel.Alignment films 624 is for example made up of macromolecular materials such as polyimide, and liquid crystal is carried out to orientation process.Liquid crystal layer 625 is for example by VA(Vertical Alignment: vertical alignment) pattern, TN(Twisted Nematic: twisted nematic) pattern or STN(Super Twisted Nematic: supertwist is to row) liquid crystal of pattern forms.This liquid crystal layer 625 has following functions: the voltage applying by driving circuit, each pixel can see through or cover the light penetrating from back light unit 61.Common electrode 627 is for example formed and is played the function of common counter electrode by ITO.Colored filter 628 can form by arranging filter house 628A, and this filter house 628A is for being divided into the light penetrating from back light unit 61 respectively for example three-primary colours of red (Red), green (Green) and blue (Blue).In this colored filter 628 like this, filter house 628A and pixel between be provided with the 628B(black matrix section of black matrix portion with shade function in the corresponding part in boundary line).
Invention effect
The present invention can provide a kind of in light orientation process the minimizing and can form the orientation process adhesive membrane of high precision orientation pattern of unoriented rigion, and a kind of laminated film that comprises this orientation process adhesive membrane can be provided or use the manufacture method of the optical filter of this orientation process use adhesive membrane.And the present invention can provide a kind of optical filter or holographic display device with excellent properties.
Accompanying drawing explanation
Fig. 1,2 and 4 is mode charts of exemplary expression adhesive membrane of the present invention.
Fig. 3 is the figure that represents illustratively the Pixel arrangement of holographic display device display part.
Fig. 5 is the block diagram that model utility represents optical filter manufacture method of the present invention, and Fig. 6 is the mode chart that represents illustratively holographic display device of the present invention.
Fig. 7 to 12 is illustrated in the optical alignment film that forms in the embodiment of the present invention and comparative example or the expansion photo of liquid crystal layer.
Figure 13 represents the optical filter of manufacturing to be in embodiments of the present invention arranged on holographic display device and to observe the figure of the result of said apparatus with polaroid glasses.
Embodiment
Below, by the embodiment of the present invention with not according to comparative example of the present invention, the present invention will be described in more detail, but scope of the present invention is not restricted to following embodiment.
The manufacture of adhesive membrane for orientation process
At the cellulose acetate base material as light transmission thin plate (manufacturing company: FUJI, trade name: UZ80) thus on surface, printing light-proofness ink forms shading region.In this case, shading region forms striated as shown in Figure 2, and photic zone and shading region are alternately formed.
Now, the spacing of photic zone and shading region (P of Fig. 2) is about 1080 μ m, and the interval (V of Fig. 2) of shading region is 540 μ m, and above-mentioned print thickness is about 1.5 μ m.Then, adopt acrylic compounds sticker to form adhesion layer at the opposing face of above-mentioned base material ink printing face, manufacture thus the adhesive membrane for orientation process.The adhesive membrane full face of manufacturing is like this presented in Fig. 7.
The manufacture of optical filter
Use the adhesive membrane of above-mentioned manufacture, manufacture optical filter with the method shown in Fig. 5.First,, as substrate, cellulose acetate substrate 10 tops that are 80 μ m at thickness form dry thickness and are
poly-cinnamate (polycinnamate) class light oriented layer 20.Above-mentioned smooth oriented layer 20 forms by the following method: use print roll coating method that light oriented layer is formed to solution coat on substrate 10, and be dried two minutes at 80 ℃, and remove solvent.Now, above-mentioned solution is by having the polynorbornene (weight-average molecular weight (M of cinnamate group of following Chemical formula 1
w)=150,000) and the potpourri of acrylic monomer mix with light trigger (Igacure907), and be dissolved in cyclohexanone solvent and made (polynorbornene: acrylic monomer: light trigger=2:1:0.25(weight ratio) so that the solids content concn of polynorbornene is 2wt%).
,, on above-mentioned optical alignment film 20, irradiate straight line polarized ultraviolet (300mW/cm thereafter
2) optical alignment film 20 has been carried out to once orientation.Now, consider the direction of above-mentioned adhesive membrane attaching after above-mentioned once orientation, control the polarization direction of above-mentioned straight line polarized ultraviolet so that itself and the photic zone of adhesive membrane and the boundary line of shading region formation miter angle degree.After above-mentioned once orientation, on optical alignment film 20, be adjacent to the adhesive membrane 30 that adheres to above-mentioned manufacture using adhesion layer as medium.Then, on above-mentioned optical alignment film 20, irradiate straight line polarized ultraviolet (300mW/cm identical when being once orientated using above-mentioned adhesive membrane 30 as medium
2), carry out thus secondary orientation.But, in the time that secondary is orientated, regulate the polarization direction of straight line polarized ultraviolet to make the angle of itself and above-mentioned rectilinearly polarized light while being once orientated be 90 degree.After above-mentioned orientation process finishes, peel adhesion film 30 forms the phase delay layer 4 with λ/4 wavelength characteristic on above-mentioned optical alignment film.Particularly, on above-mentioned optical alignment film with the dry thickness coating of liquid crystalline compound (LC242 of approximately 1 μ m
tM, BASF(system)), and after being orientated according to the orientation of bottom optical alignment film, irradiate the ultraviolet light (300mW/cm in approximately ten seconds
2), make liquid crystal cross linking and polymerization, and according to the orientation of bottom optical alignment film, manufacture and there is the not optical filter of same area of slow-axis direction.
Comparative example 1.
Manufacture optical filter with the method identical with above-described embodiment 1, but in secondary orientation process, do not use above-mentioned adhesive membrane, the mask that is generally used for generating optical alignment film pattern is arranged on the distance position of above-mentioned alignment films 0.7mm, and irradiate straight line polarized ultraviolet take above-mentioned mask as medium, thereby manufacture optical filter.
Comparative example 2
Manufacture optical filter with the method identical with above-mentioned comparative example 1, but in secondary orientation process, mask is arranged on the distance position of above-mentioned alignment films 1.1mm, and irradiate straight line polarized ultraviolet take above-mentioned mask as medium, thereby manufactured optical filter.
Confirm example 1: the confirmation of state of orientation
The pattern of observing respectively the phase delay layer of the optical filter of manufacturing in embodiment and comparative example forms state.Fig. 8 is the expansion photo that carries out the optical alignment film of orientation process according to embodiment 1, and Fig. 9 is the expansion photo of the phase delay layer of formation take above-mentioned optical alignment film as medium.And Figure 10 is the expansion photo that carries out the optical alignment film of orientation process according to comparative example 1, Figure 11 is the expansion photo of phase delay layer forming take above-mentioned optical alignment film as medium, and Figure 12 is the expansion photo of the optical alignment film that forms according to comparative example 2.From figure, can clearly know: during according to the present invention, can clearly observe the boundary line between each pattern, and in the phase delay layer of alignment films, also form meticulous orientation pattern, and in comparative example 1 and 2, can confirm to have formed the very unclear pattern of boundary line portion.
Confirm example 2: the ratio of unoriented rigion and the rate of crosstalking
Measure the unoriented rigion ratio of the alignment films of manufacturing respectively in embodiment and comparative example, and use optical filter to measure the rate of crosstalking.Measure in the following way unoriented rigion ratio: between two polarizing plates of absorption axes arranged perpendicular, configure after optical filter, when illumination with light source, adopt polarized light microscope observing light leakage radiation.In addition, the rate of crosstalking is measured as follows: the optical filter of manufacture is arranged on to general holographic display device, and in change left eye use and the position measurement brightness at the about 1.8m of range image display surface centre in pixel intensity for right eye, and by above-mentioned this brightness substitution general formula 1 to 3.
The result of above-mentioned measurement is arranged and is recorded in following table 1.
Table 1
| ? | The Area Ratio (%) of unoriented rigion | Crosstalk than (%) |
| |
Approximately 0.9 | 0.5 |
| Comparative example 1 | Approximately 37 | 10 |
| Comparative example 2 | Approximately more than 93 | 20 |
Known from above-mentioned table 1: in an embodiment of the present invention, to have hardly unoriented rigion, and also crosstalk hardly during for display device.
On the other hand, Figure 13 represents to be installed on the photo of observing after holographic display device according to the optical filter of embodiment of the present invention manufacture under the state of wearing polaroid glasses.Figure 13 (A) is the photo while wearing right eye glasses, and Figure 13 (B) is the situation while wearing left eye glasses.
As can be known from Fig. 13: have an X-rayed the left eye with mutual different polarization performance and the eye image of emitting through optical filter of the present invention by a side anaglyph spectacles, in the time that the phase-contrast film of glasses is vertical with direction of orientation, be shown as black, in the time of level, be shown as white.When wearing opposition side glasses and having an X-rayed, can confirm that distinct reverse change occurs the black and white of identical film.
Description of reference numerals
10: base material
B: shading region
T: photic zone
P: spacing
V: interval
30: the display part of holographic display device
UR: right eye unit picture element
UR: left eye unit picture element
W1, W2: the width of unit picture element
20: adhesion layer
1: base material
2: optical alignment film
3: adhesive membrane
21,22: orientation area
41,42: liquid crystal aligning region
4: liquid crystal layer
60: holographic display device
Claims (4)
1. an optical filter, it comprises: substrate; Optical alignment film, on described substrate, form, and have with first direction and carry out the first orientation area of orientation process and carry out the second orientation area of orientation process with second direction, in described optical alignment film, the area of non-oriented part accounts for below 10% of whole optical alignment film area.
2. optical filter claimed in claim 1, wherein, the rate of crosstalking of being calculated by following general formula 1 is below 5%:
General formula 1
X
T=（X
TL+X
TR）/2；
In described general formula 1, X
tthe ratio of crosstalking that represents the holographic display device that described optical filter is installed, X
tLthe ratio of crosstalking that represents to observe with left eye the holographic display device that described optical filter is installed, X
tRit is the ratio of crosstalking that represents to observe with right eye the holographic display device that described optical filter is installed.
3. optical filter claimed in claim 1, it further comprises the phase delay layer being formed on optical alignment film.
4. a holographic display device, it comprises optical filter claimed in claim 1.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20100005907 | 2010-01-22 | ||
| KR10-2010-0005907 | 2010-01-22 | ||
| KR10-2011-0006998 | 2011-01-24 | ||
| KR1020110006998A KR101064585B1 (en) | 2010-01-22 | 2011-01-24 | Adhesive film for photo-alignment film alignment treatment |
| CN201180006678.5A CN102713726B (en) | 2010-01-22 | 2011-01-24 | For the adhesive membrane of optical alignment film orientation process |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180006678.5A Division CN102713726B (en) | 2010-01-22 | 2011-01-24 | For the adhesive membrane of optical alignment film orientation process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103777359A true CN103777359A (en) | 2014-05-07 |
| CN103777359B CN103777359B (en) | 2016-04-06 |
Family
ID=44502081
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410060000.0A Active CN103777359B (en) | 2010-01-22 | 2011-01-24 | For the adhesive membrane of optical alignment film orientation process |
| CN201180006678.5A Active CN102713726B (en) | 2010-01-22 | 2011-01-24 | For the adhesive membrane of optical alignment film orientation process |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180006678.5A Active CN102713726B (en) | 2010-01-22 | 2011-01-24 | For the adhesive membrane of optical alignment film orientation process |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5995085B2 (en) |
| KR (2) | KR101064585B1 (en) |
| CN (2) | CN103777359B (en) |
| DE (1) | DE102011009281B4 (en) |
| TW (2) | TWI468733B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI483001B (en) * | 2011-08-09 | 2015-05-01 | Lg Chemical Ltd | Optical filter, method of manufacturing thereof, and stereoscopic image display device comprising the same |
| JP6029246B2 (en) * | 2011-11-17 | 2016-11-24 | エルジー・ケム・リミテッド | Optical element and stereoscopic image display apparatus including the same |
| KR101260221B1 (en) * | 2011-12-01 | 2013-05-06 | 주식회사 엘지화학 | Mask |
| KR101290288B1 (en) * | 2012-01-06 | 2013-08-07 | 최승규 | Optical film, method of producing the same, stereoscopic glasses and stereoscopic display having the same |
| TW201350918A (en) * | 2012-06-01 | 2013-12-16 | Ind Tech Res Inst | Patterned phase difference film and manufacturing method thereof |
| TWI486647B (en) * | 2012-11-13 | 2015-06-01 | Far Eastern New Century Corp | Method of manufacturing phase difference plate |
| KR101622013B1 (en) | 2012-12-31 | 2016-05-17 | 주식회사 엘지화학 | Optical device |
| CN103353673B (en) * | 2013-06-27 | 2015-03-04 | 京东方科技集团股份有限公司 | Display panel and manufacturing method thereof, and display apparatus |
| KR101401050B1 (en) * | 2013-08-09 | 2014-06-27 | 동우 화인켐 주식회사 | Touch sensing electrode and touch screen panel comprising the same |
| WO2015118650A1 (en) * | 2014-02-07 | 2015-08-13 | 株式会社日立製作所 | Organic light-emitting element, light source device, coating liquid, and method for producing organic light-emitting element |
| CN106462009A (en) * | 2014-05-23 | 2017-02-22 | Dic株式会社 | Image display device and oriented material used in same |
| US10628952B2 (en) * | 2017-12-11 | 2020-04-21 | Google Llc | Dual-band stereo depth sensing system |
| KR20210053680A (en) * | 2019-11-04 | 2021-05-12 | 주식회사 엘지화학 | Preparation Method of Light Modulating Device |
| CN116714235B (en) * | 2023-06-13 | 2024-03-12 | 深圳研江智能科技有限公司 | Alignment laminating control method and device for explosion-proof industrial tablet personal computer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004029700A1 (en) * | 2002-09-26 | 2004-04-08 | Sharp Kabushiki Kaisha | Patterning phase difference plate, production method for patterning phase difference plate, 2d/3d switching type liquid crystal display panel, and 2d/3d switching type liquid crystal display unit |
| KR20050067966A (en) * | 2003-12-29 | 2005-07-05 | 안재훈 | Method for manufacturing optical filters apparatus for display device |
| CN1991439A (en) * | 2005-12-30 | 2007-07-04 | Lg.菲利浦Lcd株式会社 | Display panel for 3-dimensional display device and 3-dimensional display device comprising the same |
| KR20090081497A (en) * | 2008-01-24 | 2009-07-29 | 백병창 | Making method of three dimensional type image using photopolymer resin |
| KR20090012521U (en) * | 2008-06-03 | 2009-12-08 | (주)지앤아이넷 | Medal case with a memorial tablet |
| KR101204148B1 (en) * | 2008-07-08 | 2012-11-22 | 주식회사 만도 | Electronic Control Unit of Electric Power Steering Apparatus |
Family Cites Families (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2589276Y2 (en) * | 1990-03-07 | 1999-01-27 | 株式会社きもと | Surface protection film |
| JPH04143704A (en) * | 1990-10-04 | 1992-05-18 | Fuji Photo Film Co Ltd | Formation of color filter |
| US5880711A (en) * | 1996-04-24 | 1999-03-09 | Sony Corporation | Three-dimensional image display method and its display apparatus |
| KR100206560B1 (en) | 1996-05-14 | 1999-07-01 | 김광호 | Orientation method for lcd wide visual angle |
| JP3461680B2 (en) * | 1997-03-13 | 2003-10-27 | シャープ株式会社 | Method for manufacturing optical element and image display device |
| US20020063958A1 (en) | 1999-06-15 | 2002-05-30 | Kazuo Maeda | Method for manufacturing a 3D image display body and film for use in forming 3D image display body |
| JP3806284B2 (en) * | 1999-06-15 | 2006-08-09 | 株式会社有沢製作所 | Method for manufacturing 3D video display |
| US6759175B2 (en) * | 2000-04-11 | 2004-07-06 | Agfa-Gevaert | Method for on-site preparation of a relief image |
| US6844034B2 (en) * | 2001-04-06 | 2005-01-18 | Exxonmobil Oil Corporation | Printable plastic film with printable coating comprising epoxy acrylate |
| JP2004020658A (en) * | 2002-06-12 | 2004-01-22 | Jsr Corp | Method for manufacturing optical member, and optical member |
| JP2004079373A (en) * | 2002-08-20 | 2004-03-11 | Rohm Co Ltd | Manufacturing method of organic electroluminescent display device |
| JP2004139052A (en) * | 2002-09-26 | 2004-05-13 | Sharp Corp | Method for manufacturing alignment substrate and alignment substrate |
| JP2004287408A (en) * | 2003-03-03 | 2004-10-14 | Sharp Corp | Liquid crystal display panel, liquid crystal display device, and method for manufacturing liquid crystal display panel |
| KR20040088935A (en) | 2003-04-14 | 2004-10-20 | 삼성전자주식회사 | Method for forming multi-domain by the atomic beam on alignment film and method for manufacturing liquid crystal display device having wide viewing angle using the same and liquid crystal display device having wide viewing angle and liquid crystal aligning device |
| TWI220536B (en) * | 2003-08-04 | 2004-08-21 | Chi Mei Optoelectronics Corp | Exposure method and apparatus for improving defects formed by proximity print |
| GB2405545A (en) * | 2003-08-30 | 2005-03-02 | Sharp Kk | Multiple view directional display with parallax optic having colour filters. |
| JP4442723B2 (en) | 2003-11-17 | 2010-03-31 | スタンレー電気株式会社 | Liquid crystal display element and manufacturing method thereof |
| JP3701661B2 (en) * | 2003-12-05 | 2005-10-05 | シャープ株式会社 | Display panel and display device |
| US7736708B2 (en) * | 2004-03-30 | 2010-06-15 | National Institute Of Advanced Industrial Science And Technology | Micropattern retardation element |
| US8142987B2 (en) * | 2004-04-10 | 2012-03-27 | Eastman Kodak Company | Method of producing a relief image for printing |
| JP2007086673A (en) * | 2005-09-26 | 2007-04-05 | Dainippon Printing Co Ltd | Optical element |
| JP5145660B2 (en) * | 2005-10-18 | 2013-02-20 | Ｄｉｃ株式会社 | Composition for photo-alignment film, method for producing photo-alignment film, optical anisotropic body using the same, optical element, and method for producing the same |
| JP4764197B2 (en) | 2006-02-17 | 2011-08-31 | 株式会社ブイ・テクノロジー | Manufacturing method of substrate for liquid crystal display |
| FR2897694B1 (en) * | 2006-02-23 | 2008-05-16 | Essilor Int | METHOD FOR PRODUCING A POLARIZING OPTICAL ELEMENT |
| KR20090029207A (en) * | 2006-06-13 | 2009-03-20 | 세키스이가가쿠 고교가부시키가이샤 | Process for producing patterned film and photosensitive resin composition |
| KR101356999B1 (en) * | 2006-11-08 | 2014-02-03 | 디아이씨 가부시끼가이샤 | Composition for photo-alignment film, photo-alignment film, and optical isomer |
| US7834943B2 (en) * | 2006-12-12 | 2010-11-16 | Tpo Displays Corp. | Reduction of cross-talk in vertical direction for a dual view display devices |
| KR101448327B1 (en) * | 2007-03-23 | 2014-10-07 | 세키스이가가쿠 고교가부시키가이샤 | Pressure-sensitive adhesive tape for the protection of photo masks |
| JP4936191B2 (en) * | 2007-03-30 | 2012-05-23 | 株式会社有沢製作所 | 3D display device |
| TW200905333A (en) * | 2007-07-26 | 2009-02-01 | Chi Mei Optoelectronics Corp | Manufacturing method of photo alignment film and alignment solution |
| JP4528333B2 (en) * | 2008-01-25 | 2010-08-18 | 株式会社有沢製作所 | Stereoscopic image display device and manufacturing method thereof |
| JP2009229837A (en) * | 2008-03-24 | 2009-10-08 | Japan Subcontract Inc | Liquid crystal display device and light shielding method of semiconductor integrated circuit |
| TWI383202B (en) * | 2008-05-20 | 2013-01-21 | Ind Tech Res Inst | Multi-area electro-optical shutter devices |
| US8034540B2 (en) * | 2008-07-31 | 2011-10-11 | Eastman Kodak Company | System and method employing secondary back exposure of flexographic plate |
| RU2445655C2 (en) * | 2008-09-22 | 2012-03-20 | Сони Корпорейшн | Retardation film, method of making said film and display |
| JP2012014064A (en) * | 2010-07-02 | 2012-01-19 | Dainippon Printing Co Ltd | Method for producing photo-alignment layer, method for producing retardation film, system for producing photo-alignment layer, photo-alignment layer, and retardation film |
-
2011
- 2011-01-24 JP JP2012549948A patent/JP5995085B2/en active Active
- 2011-01-24 CN CN201410060000.0A patent/CN103777359B/en active Active
- 2011-01-24 TW TW100102513A patent/TWI468733B/en active
- 2011-01-24 DE DE102011009281.1A patent/DE102011009281B4/en active Active
- 2011-01-24 KR KR1020110006998A patent/KR101064585B1/en active IP Right Grant
- 2011-01-24 TW TW103100484A patent/TWI504935B/en active
- 2011-01-24 CN CN201180006678.5A patent/CN102713726B/en active Active
- 2011-08-18 KR KR1020110082033A patent/KR101266209B1/en active IP Right Grant
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004029700A1 (en) * | 2002-09-26 | 2004-04-08 | Sharp Kabushiki Kaisha | Patterning phase difference plate, production method for patterning phase difference plate, 2d/3d switching type liquid crystal display panel, and 2d/3d switching type liquid crystal display unit |
| KR20050067966A (en) * | 2003-12-29 | 2005-07-05 | 안재훈 | Method for manufacturing optical filters apparatus for display device |
| CN1991439A (en) * | 2005-12-30 | 2007-07-04 | Lg.菲利浦Lcd株式会社 | Display panel for 3-dimensional display device and 3-dimensional display device comprising the same |
| KR20090081497A (en) * | 2008-01-24 | 2009-07-29 | 백병창 | Making method of three dimensional type image using photopolymer resin |
| KR20090012521U (en) * | 2008-06-03 | 2009-12-08 | (주)지앤아이넷 | Medal case with a memorial tablet |
| KR101204148B1 (en) * | 2008-07-08 | 2012-11-22 | 주식회사 만도 | Electronic Control Unit of Electric Power Steering Apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI468733B (en) | 2015-01-11 |
| TWI504935B (en) | 2015-10-21 |
| KR20110097753A (en) | 2011-08-31 |
| DE102011009281A1 (en) | 2011-09-01 |
| JP2013518296A (en) | 2013-05-20 |
| CN103777359B (en) | 2016-04-06 |
| KR101064585B1 (en) | 2011-09-15 |
| TW201140146A (en) | 2011-11-16 |
| CN102713726A (en) | 2012-10-03 |
| KR101266209B1 (en) | 2013-05-21 |
| CN102713726B (en) | 2015-08-26 |
| JP5995085B2 (en) | 2016-09-21 |
| KR20110086524A (en) | 2011-07-28 |
| TW201418779A (en) | 2014-05-16 |
| DE102011009281B4 (en) | 2022-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102713726B (en) | For the adhesive membrane of optical alignment film orientation process | |
| US9417367B2 (en) | Pressure sensitive adhesive film for an orientating treatment in a photo-orientable layer | |
| US8305503B1 (en) | Phase difference element and display device | |
| KR101689780B1 (en) | Retardation element and display | |
| US8982197B2 (en) | Optical filter | |
| KR20120002442A (en) | Phase difference element and display unit | |
| CN103748502B (en) | Optical filter | |
| TW201331644A (en) | Patterned retardation film, method for manufacturing the same, method for manufacturing optical laminate, and stereoscopic image display unit and mask for pattern exposure | |
| CN104813223A (en) | FPR having periodic micropattern | |
| US9164322B2 (en) | Display unit | |
| KR101314402B1 (en) | Dislgay device | |
| CN105334564A (en) | Optical filter | |
| KR101612626B1 (en) | Light-spliting device | |
| CN103733119B (en) | Optical filter | |
| TWI490551B (en) | Display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |