CN102681193A - 3d display system - Google Patents

Abstract

The present invention provides a time-share 3D display system capable of improving uneven lightness generated by visual angle. The 3D display system comprises an image display device (1), which at least comprises a first polarizing film arranged on an identification side, and a protection component A1 with Lambda/4 function and arranged on the surface of the identification side of the first polarizing film; and a time-share image display blocking machine (2) at least comprises a Lambda/4 plate B and synchronistically acting with the image display device; wherein the thickness direction relay Rth(550)A of the protection component A1 on the wavelength of 550nm and the thickness direction relay Rth(550)B of the Lambda/4 plate B on the wavelength of 550nm satisfies the following relationship: the absolute value of the Rth(550)A+ Rth(550)B is <=220nm.

Description

The 3D display system

Technical field

The present invention relates to the 3D display system of a kind of minute up-to-date style and space segmentation formula.

Background technology

Since previous, propose to have variety of way for three-dimensional (3D) display packing, one of them has the branch up-to-date style of using liquid crystal shutter glasses etc.This mode is following mode: one side shows alternately that in chronological order left eye uses the image of using with right eye; Simultaneously open and close the shutter of glasses, control (for example patent documentation 1) so that each image enters into the mode of pairing eye with the display synchronization ground of image.As the 3D display device of utilizing this mode, propose to have the 3D display device (for example patent documentation 2) that liquid crystal panel is used for display monitor.In addition, other modes as 3D shows have the polaroid glasses mode (passive glasses) (for example patent documentation 3) that is called as so-called space segmentation formula.This space segmentation formula is following mode: make the ejaculation light from display panel (for example become two kinds of different polarized condition; Right avertence light and left avertence light); The Polarizer that is used for right eye and will another polarisation will be seen through through the Polarizer that will a polarisation seen through is used for the polaroid glasses that left eye constitutes and observes display frame, display frame is identified as to have relief image thus.

But, in any 3D display mode, the problem of brightness decline that is produced when all existing the observer who is wearing polaroid glasses that face is tilted or the deterioration of crosstalking.About a minute up-to-date style, propose to have to dispose λ/4 plates respectively, and utilize the rotatory polarization image to solve this problem (for example patent documentation 4) through surface at image display device side surface and shutter glasses.

But, in the 3D display packing of the branch up-to-date style of utilizing λ/4 plates and space segmentation formula, have when the time problem of the dark corners of picture from positive (is normal direction with respect to display surface) observation picture.This problem exists when picture maximizes to be inclined to all the more significantly.

[prior art document]

[patent documentation]

[patent documentation 1] Japanese Patent Laid is opened clear 53-51917 communique

[patent documentation 2] Japanese Patent Laid is opened the 2003-259395 communique

The 5th, 327, No. 285 instructionss of [patent documentation 3] United States Patent (USP)

[patent documentation 4] Japanese Patent Laid is opened the 2002-82307 communique

Summary of the invention

The present invention is in view of said problem points and the invention accomplished, branch up-to-date style and space segmentation formula 3D display system that its problem is to provide a kind of brightness disproportionation when frontal is observed to obtain alleviating.

If from the corner of frontal observation picture, then become and under the state that has produced the visual angle, observe picture.The result that people such as the inventor make great efforts to study has obtained following discovery, and the Rth of λ/4 plates that promptly is used for branch up-to-date style and space segmentation formula 3D display system is to being exerted an influence by the caused brightness disproportionation in this visual angle.Desirable λ/4 plates are that Rth is 0, if in any of the polaroid glasses side of image display device and shutter etc., all utilize desirable λ/4 plates, even if then observe picture from frontal having under the state at visual angle, also can not produce the problem of brightness disproportionation.On the other hand, be difficult to make desirable λ/4 plates, and discontented full usefulness.The inventor further makes great efforts the result that studies; Obtained following discovery; Even be configured in the polaroid glasses side of image display device and shutter etc. λ/4 plates Rth total absolute value for the regulation scope, even if then under the state that has produced the visual angle the observation picture, can not produce brightness disproportionation yet; Can solve said problem, thereby accomplish the present invention.Even if the present invention does not use desirable λ/4 plates, also can solve the invention of the satisfied practicality of said problem.

Means in order to solve said problem are described below.

[1] a kind of minute up-to-date style 3D display system, it comprises: image display device, it has the 1st light polarizing film that is configured in the identification side and the protection member A1 with λ/4 functions that is configured in the identification side surface of said the 1st light polarizing film at least; And Time Index Chart picture demonstration blocking-up machine, it has λ/4 plate B at least, and synchronously moves with said image display device; This minute up-to-date style 3D display system is characterised in that: the thickness direction retardation Rth (550) of the wavelength 550nm of said protection member A1 _A, with the thickness direction retardation Rth (550) of the wavelength 550nm of said λ/4 plate B _BSatisfy the relation of following formula (I):

(I)：|Rth(550) _A+Rth(550) _B|≤220nm。

[2] according to [1] described minute up-to-date style 3D display system, it satisfies the relation of following formula (II):

(II)：|Rth(550) _A+Rth(550) _B|≤120nm。

[3] according to [1] or [2] described minute up-to-date style 3D display system, at least one of wherein said protection member A1 and said λ/4 plate B comprise cellulose acylate film and cyclic olefin polymer film at least any.

[4] according to each described minute up-to-date style 3D display system in [1] to [3], at least one of wherein said protection member A1 and said λ/4 plate B comprises optical anisotropic layer at least, and this optical anisotropic layer comprises the constituent that contains liquid-crystal compounds.

[5] according to [4] described minute up-to-date style 3D display system, wherein said liquid-crystal compounds is discoid liquid-crystal compounds, in said optical anisotropic layer, and the orientation vertically of said discoid liquid-crystal compounds.

[6] according to [4] described minute up-to-date style 3D display system, wherein said liquid-crystal compounds is the rod shaped liquid crystal compound, in said optical anisotropic layer, and the orientation flatly of said rod shaped liquid crystal compound.

[7] according to each described minute up-to-date style 3D display system in [1] to [6], wherein said protection member A1 has anti-reflecting layer at the identification side surface.

[8] according to each described minute up-to-date style 3D display system in [1] to [7], wherein said protection member A1 contains ultraviolet light absorber.

[9] according to each described minute up-to-date style 3D display system in [1] to [8], wherein said image display device is a liquid crystal panel.

[10] according to [9] described minute up-to-date style 3D display system; Wherein said Time Index Chart picture shows the blocking-up machine and then has liquid crystal cells and the 2nd light polarizing film; And from said image display device side in opposite directions; With said λ/4 plate B, said liquid crystal cells, and the order of said the 2nd light polarizing film, perhaps with said the 2nd light polarizing film, said liquid crystal cells, and the order of said λ/4 plate B be configured.

[11] according to [9] or [10] described minute up-to-date style 3D display system; Wherein said Time Index Chart picture shows the blocking-up machine and then has the 3rd light polarizing film; And from said image display device side in opposite directions; With said λ/4 plate B, said the 3rd light polarizing film, said liquid crystal cells, and the order of said the 2nd light polarizing film, perhaps with said the 2nd light polarizing film, said liquid crystal cells, said the 3rd light polarizing film, and the order of said λ/4 plate B be configured.

[12] a kind of minute up-to-date style 3D display system; It comprises: image display device, the liquid crystal cells of the identification side that it has the 1st light polarizing film that is configured in the identification side at least, be configured in said the 1st light polarizing film and be configured in the protection member A1 with λ/4 functions of the identification side surface of said liquid crystal cells; And glasses, it has λ/4 plate B at least; This minute up-to-date style 3D display system is characterised in that: said liquid crystal cells and image display device synchronously move, and the thickness direction retardation Rth (550) of the wavelength 550nm of said protection member A1 _A, with the thickness direction retardation Rth (550) of the wavelength 550nm of said λ/4 plate B _BSatisfy the relation of following formula (I):

(I)：|Rth(550) _A+Rth(550) _B|≤220nm。

[13] a kind of 3D display system, it comprises:

Image display device; It has the 1st light polarizing film that is configured in the identification side at least; And be configured in the identification side surface of said the 1st light polarizing film, have the protection member A2 of the pattern optical anisotropic layer that is included in the 1st phase differential zone that has slow axis in the face on the mutually different direction and have λ/4 functions respectively and the 2nd phase differential zone; And

Polarization conversion element, it has λ/4 plate B at least; This 3D display system is characterised in that:

The thickness direction retardation Rth (550) of the wavelength 550nm of said protection member A2 _A, with the thickness direction retardation Rth (550) of the wavelength 550nm of said λ/4 plate B _BSatisfy the relation of following formula (I):

(I)：|Rth(550) _A+Rth(550) _B|≤220nm。

[14] according to [13] described 3D display system, it satisfies the relation of following formula (II):

(II)：|Rth(550) _A+Rth(550) _B|≤120nm。

[15] according to [13] or [14] described 3D display system, at least one of wherein said protection member A2 and said λ/4 plate B comprise cellulose acylate film and cyclic olefin polymer film at least any.

[16] according to each described 3D display system in [13] to [15], at least one of wherein said protection member A2 and said λ/4 plate B comprises optical anisotropic layer at least, and this optical anisotropic layer comprises the constituent that contains liquid-crystal compounds.

[17] according to [16] described 3D display system, wherein said liquid-crystal compounds is discoid liquid-crystal compounds, in said optical anisotropic layer, and the orientation vertically of said discoid liquid-crystal compounds.

[18] according to [16] described 3D display system, wherein said liquid-crystal compounds is the rod shaped liquid crystal compound, in said optical anisotropic layer, and the orientation flatly of said rod shaped liquid crystal compound.

[19] according to each described 3D display system in [13] to [18], wherein said protection member A2 has anti-reflecting layer at the identification side surface.

[20] according to each described 3D display system in [13] to [19], wherein said protection member A2 contains ultraviolet light absorber.

[21] according to each described 3D display system in [13] to [20], wherein said image display device is a liquid crystal panel.

(effect of invention)

According to the present invention, the branch up-to-date style that a kind of brightness disproportionation when frontal is observed obtains alleviating and the 3D display system of space segmentation formula can be provided.

Description of drawings

Fig. 1 is the synoptic diagram of an example of of the present invention minute up-to-date style 3D display system of expression.

Fig. 2 is the diagrammatic cross-section of an example of of the present invention minute up-to-date style 3D display system.

Fig. 3 (a), Fig. 3 (b) are the diagrammatic cross-sections of an example of of the present invention minute up-to-date style 3D display system.

Fig. 4 is the diagrammatic cross-section of an example of protection member A1 or protection member A2 and λ/4 plate B layers.

Fig. 5 is the diagrammatic cross-section of an example of the 1st Polarizer.

Fig. 6 is the diagrammatic cross-section of an example of the 1st Polarizer.

Fig. 7 is the diagrammatic cross-section of an example of of the present invention minute up-to-date style 3D display system.

Fig. 8 is the diagrammatic cross-section of an example of space segmentation formula 3D display system of the present invention.

Fig. 9 is a routine skeleton diagram of the relation of slow axis in the face of absorption axes and pattern optical anisotropic layer of expression light polarizing film.

Figure 10 is the upper surface synoptic diagram of the pattern optical anisotropic layer of made in the instance.

Figure 11 (a), Figure 11 (b) are the diagrammatic cross-sections of the space segmentation formula 3D rendering display device of made in the instance.

Figure 12 (a), Figure 12 (b) are the upper surface synoptic diagram of employed exposure shade in the instance.

[explanation of symbol]

1: image display device

2: the Time Index Chart picture shows blocking-up machine (liquid crystal shutter glasses)

2a: left eye shutter

2b: right eye shutter

3: synchronizing circuit

4: backlight

10: image display device

11: the protection member

12: the 1 light polarizing film

13: liquid crystal cells

14: Polarizer

15: optical compensation/diaphragm

20: polaroid glasses

21: λ/4 plate B (λ/4 layer)

22: light polarizing film

23: liquid crystal cells

24: light polarizing film

31: the protection member

31a: the 1st phase differential zone

31b: the 2nd phase differential zone

A: slow axis in the face

B: slow axis in the face

P: absorption axes

Embodiment

Below, enumerate example the present invention is elaborated.Moreover in this instructions, the numerical value that uses "～" represented numerical range to represent to comprise to be put down in writing before and after it is as the scope of lower limit and higher limit.

At first, term as used in this specification is described.

Re (λ), Rth (λ) represent the interior delay of the face under the wavelength X respectively, reach the delay of thickness direction.Re (λ) is in KOBRA 21ADH or WR (prince's instrumentation machine (share) manufacturing), the light of wavelength X nm is injected towards embrane method line direction measured.When measuring the selection of wavelength X nm, can after manually changing wavelength selection filter or waiting the conversion measured value, measure through program.When determined film is during by the represented film of the indicatrix of single shaft or twin shaft, the method below utilizing is calculated Rth (λ).

Rth (λ) calculates through following mode: to the slow axis in the face (judging) through KOBRA 21ADH or WR as sloping shaft (turning axle) (when the no slow axis; With the direction arbitrarily in the face as turning axle) embrane method line direction; Per 10 degree are injected the light of wavelength X nm and are measured the said Re (λ) of whole 6 points from the direction of its inclination respectively till 50 ° of normal direction to sides, and KOBRA21ADH or WR calculate Rth (λ) based on the assumed value of length of delay of being measured and mean refractive index and the film thickness value imported then.In said; From normal direction with the slow axis in the face as turning axle and have under the situation of film that length of delay on a certain angle of inclination becomes zero direction; Than the length of delay on the big angle of inclination, this angle of inclination with its variation of sign for after negative, KOBRA 21ADH or WR calculate Rth (λ).Moreover; Also can with slow axis as sloping shaft (turning axle) (when the no slow axis; With the direction arbitrarily in the face as turning axle); From 2 direction detection length of delays that tilt arbitrarily, based on the assumed value of this value and mean refractive index, reach the film thickness value of being imported, according to following formula (A), reach formula (B) and calculate Rth.

[several 1]

$\mathrm{Re}\left(\mathrm{\&theta;}\right)=[\mathrm{Nx}-\frac{\mathrm{Ny}\&times;\mathrm{Nz}}{\sqrt{{\left\{\mathrm{Ny}\mathrm{Sin}\left({\mathrm{Sin}}^{-1}\left(\frac{\mathrm{Sin}(-\mathrm{\&theta;})}{\mathrm{Nx}}\right)\right)\right\}}^2+{\left\{\mathrm{Nz}\mathrm{Cos}\left({\mathrm{Sin}}^{-1}\left(\frac{\mathrm{Sin}(-\mathrm{\&theta;})}{\mathrm{Nx}}\right)\right)\right\}}^2}}]\&times;\frac{d}{\mathrm{Cos}\left\{{\mathrm{Sin}}^{-1}\left(\frac{\mathrm{Sin}(-\mathrm{\&theta;})}{\mathrm{Nx}}\right)\right\}}$ Formula (A)

Moreover said Re (θ) expression is from the normal direction length of delay on the direction of angle θ that tilted.In addition, the refractive index of the slow-axis direction in the nx presentation surface in the formula (A), ny is illustrated in the face refractive index with the direction of nx quadrature, and nz representes the refractive index with the direction of nx and ny quadrature.D representes thickness.

Rth=((nx+ny)/2-nz) * d...... formula (B)

When determined film is can't be by the film of the indicatrix of single shaft or twin shaft performance, during the film of promptly so-called no optic axis (optic axis), the method below utilizing is calculated Rth (λ).Rth (λ) calculates through following mode: with the slow axis in the face (judging) through KOBRA 21ADH or WR as sloping shaft (turning axle); To embrane method line direction till from-50 ° to+50 ° per 10 degree inject the light of wavelength X nm and measure the said Re (λ) of 11 points from the direction of its inclination respectively, KOBRA 21ADH or WR calculate Rth (λ) based on the assumed value of length of delay of being measured and mean refractive index and the film thickness value imported then.In addition, in said mensuration, the assumed value of mean refractive index can use polymer handbook (Polymer Handbook) (JOHN WILEY & SONS, INC), the value in the catalogue of various bloomings.For value the unknown person of mean refractive index, Abbe refractometer capable of using is measured.The value of the mean refractive index of the blooming that following illustration is main: acylated cellulose (1.48), cyclic olefin polymer (1.52), polycarbonate (1.59), polymethylmethacrylate (1.49), polystyrene (1.59).Through assumed value and the thickness of importing these mean refractive indexs, KOBRA21ADH or WR calculate nx, ny, nz.And then, calculate Nz=(nx-nz)/(nx-ny) according to the nx that is calculated, ny, nz.

In this instructions, so-called " parallel ", " quadrature " are meant that tight angle is less than in ± 10 ° the scope.The error of this scope and tight angle is preferably less than ± 5 °, more preferably less than ± 2 °.In addition, " slow axis " is meant that refractive index becomes maximum direction.

Moreover, do not specify that as long as have in advance the value when then the mensuration wavelength of refractive index is the λ=550nm of visible region about the mensuration wavelength of Re and Rth, does not specify as long as have in advance, then is made as 550nm.

In addition, in this instructions, " light polarizing film " reached " Polarizer " distinguish and use, " Polarizer " is meant the laminate that on the one side at least of " light polarizing film ", has the transparent protective film of this light polarizing film of protection.Moreover the implication of " λ/4 plates " reaches " λ/4 layer " with " λ/4 films " identical.

At first, use graphic example to describe to of the present invention minute up-to-date style 3D display system.

Fig. 1 is the generalized schematic of a form of of the present invention minute up-to-date style 3D display system.Branch up-to-date style 3D display system shown in Figure 1 comprises image display device 1 and has the glasses 2 of shutter function (Time Index Chart picture show blocking-up machine), and 2 the observer of putting on one's glasses observes the image of image display device 1.Though not expression in Fig. 1; But the display surface side at image display device 1 disposes light polarizing film and the protection member with λ/4 functions; From image display device 1 the rotatory polarization image is presented at observer's side; And glasses 2 also comprise λ/4 layer, and have the shutter function with the transmitance ON-OFF of rotatory polarization image.

In image display device 1, for example show alternately that with the frequency (for example, 60Hz above frequency) of regulation left eye uses image with image and right eye.In an example; In image processing part; The picture signal that stereopsis is used be processed into left eye with picture signal and right eye with picture signal after; Be sent to demonstration and use the monitor driving circuit, in each pixel portions of image display device 1, left eye alternately is dispensed in each visual field with picture signal with picture signal and right eye; Every left eye alternately is presented on the same picture of image display device 1 with image with image and right eye, and converts left eye to through the protection member that is configured in the light polarizing film of recognizing side surface and has λ/4 functions and use the rotatory polarization image with rotatory polarization image and right eye at a distance from official hour.

Make the left eye of image display device 1 synchronous with the switching that image shows through synchronizing circuit 3, glasses 2 are applied driving voltage etc., particularly with image demonstration and right eye; When showing that left eye is used image, the transmitance for rotatory polarization of left eye shutter 2a becomes maximum, and image is input in the left eye; And the transmitance for rotatory polarization of right eye shutter 2b becomes minimum, and image is not input in the right eye, on the other hand; When showing that right eye is used image, the rotatory polarization transmitance of right eye shutter 2b becomes maximum, and image is input in the right eye; And the rotatory polarization transmitance of left eye shutter 2a becomes minimum, and image is not input in the left eye.The observer only optionally watches left eye to use image with left eye, only optionally watches right eye to use image with right eye, thus display image is identified as stereo-picture.Moreover the mechanism of the ON/OFF of the transmitance of glasses 2 does not have special restriction.The preferred glasses that utilize by the shutter function that liquid crystal cells produced.

As stated; Display surface side at image display device 1 disposes light polarizing film and the protection member A1 with λ/4 functions, the observer is shown the rotatory polarization image, in addition; Glasses 2 also comprise λ/4 plate B, and have the shutter function with the transmitance ON-OFF of rotatory polarization image.Before, in utilizing the branch up-to-date style 3D display system of λ/4 plates, there was when the time problem of the dark corners of picture from frontal observation picture.This problem is by when from the corner of top view picture, having produced the caused problem in visual angle.In the present invention, owing to be configured in the thickness direction retardation Rth (550) of the wavelength 550nm of the protection member A1 in the image display device 1 with λ/4 functions _A, with glasses 2 in the thickness direction retardation Rth (550) of wavelength 550nm of λ/4 plate B of being comprised _BTherefore satisfy the relation of following formula (I) (more preferably following formula (II)),, also do not have lowering of luminance,, can realize that the good 3D that does not have brightness disproportionation shows when when frontal is observed even if observe from frontal having under the state at visual angle.

(I)：|Rth(550) _A+Rth(550) _B|≤220nm

(II)：|Rth(550) _A+Rth(550) _B|≤120nm

Postpone Re (550) in the face of the wavelength 550nm of protection member A1 _A, with glasses 2 in postpone Re (550) in the face of wavelength 550nm of λ/4 plate B of being comprised _BWith ideal value (137.5nm) is the center, can have the error about 25nm, for example preferred 115nm～160nm.On the other hand, with regard to the viewpoint of display characteristic, preferred Re (550) _AWith Re (550) _BDifference littler.Particularly, preferably satisfy the relation of following formula (III), more preferably satisfy the relation of following formula (IV).

(III)：|Re(550) _A-Re(550) _B|≤30nm

(IV)：|Re(550) _A-Re(550) _B|≤16nm

The formation of image display device 1 does not have special restriction.For example, can be the liquid crystal panel that comprises liquid crystal layer, also can be to include organic electro luminescent (Electroluminescence, EL) organic EL display panel of layer.In any form, all can adopt various possible formations.In addition, the shutter function of glasses 2 does not have special restriction yet, can adopt various formations.Preferably utilize the glasses of the shutter function of liquid crystal cells.

Among Fig. 2, represent liquid crystal panel as image display device 1, with the formation example of liquid crystal shutter glasses as glasses 2 with diagrammatic cross-section.Moreover among the figure, the relativeness of the thickness of each layer may not be consistent with the relativeness of the thickness of each layer of image display device of reality etc.

Image display device 1 is the liquid crystal panel with liquid crystal cells 13, has the 1st light polarizing film 12 in its identification side, and then has protection member 11 at its identification side surface.Liquid crystal shutter glasses 2 is to have liquid crystal cells 23 and recognize that at it side has the liquid crystal shutter glasses of λ/4 films 21.Protection member 11 has λ/4 functions, and its Rth (550) and the Rth (550) of λ/4 films 21 satisfy said formula (I).

Rear at the liquid crystal cells 13 of image display device 1 disposes backlight 4, between backlight 4 and liquid crystal cells 13, disposes Polarizer 14, and constitutes to see through pattern.The absorption axes quadrature of the absorption axes of Polarizer 14 and the 1st light polarizing film 12.In addition, between the 1st light polarizing film 12 and liquid crystal cells 13, dispose in order to the compensation visual angle and/or in order to protect the film 15 of light polarizing film 12.Polarizer 14 also can have light polarizing film, and has diaphragm at the liquid crystal cells side surface and the backlight side surface of light polarizing film.

The formation of liquid crystal cells 13 does not have special restriction, can adopt the liquid crystal cells of general formation.Liquid crystal cells 13 for example comprises a pair of substrate of not shown configuration in opposite directions and is clamped in the liquid crystal layer between this a pair of substrate, optionally, also can comprise color filter layers etc.The drive pattern of liquid crystal cells 13 does not have special restriction yet; Twisted-nematic capable of using (Twisted Nematic; TN), super twisted nematic (Super Twisted Nematic, STN), homeotropic alignment (Vertical Alignment, VA), coplane switches (In-Plane Switching; IPS), optical compensation curved (Optically Compensated Bend, various patterns such as OCB).

Being configured in the 1st light polarizing film 12 that shows side comprises at the identification side surface and has λ/the protection member 11 of 4 functions.The formation of protection member 11 does not have special restriction, can be monolayer constructions will, can be the lamination structure yet.As the member with λ/4 functions, can enumerate: the laminate of phase differential polymer film, phase differential polymer film, the orientation that makes liquid-crystal composition are fixed and the laminate of the optical anisotropic layer that forms and this optical anisotropic layer and the polymer film that supports it.If protection member 11 comprises polymer film, then also can be as the diaphragm of light polarizing film 11, therefore preferably.In addition, to have an anti-reflecting layer at the identification side surface also preferred for protection member 11.The details of these members with after state.

Glasses 2 have λ/4 plate 21, light polarizing film 22, liquid crystal cells 23, and light polarizing film 24, and possess the shutter function with the image display synchronization of liquid crystal image device portion 1.As the formation of glasses 2, can be the mode of 2 Polarizers as shown in Figure 2, except that formation shown in Figure 2, also can be the formation of the mode of 1 Polarizer shown in Fig. 3 (a), Fig. 3 (b).

The formation of λ/4 plates 21 does not have special restriction yet.Can be monolayer constructions will, also can be the lamination structure.If consider that the observer wears, then preferred light weight and thin layer, therefore, the preferred single layer structure.As the member that can be used for λ/4 plates 21, can enumerate: the laminate of phase differential polymer film, phase retardation film, the orientation that makes liquid-crystal composition are fixed and the laminate of the optical anisotropic layer that forms and this optical anisotropic layer and the polymer film that supports it.If λ/4 plates 21 comprise polymer film, then also can be as the diaphragm of light polarizing film 22, therefore preferably.The details of these members with after state.In addition, it is also preferred that λ/4 plates 21 have hard conating or anti-reflecting layer on the surface.The details of these members with after state.

The absorption axes of the 1st light polarizing film 12 of image display device 1 is center ± 10 ° with 45 ° preferably with the slow axis of the protection member 11 with λ/4 functions, is 35 °～55 °, is center ± 10 ° with 135 ° perhaps, is 125 °～145 °.In addition, the preferred quadrature of absorption axes of the absorption axes of the 1st light polarizing film 12 and light polarizing film 22 or configuration abreast, and the preferred quadrature of slow axis of protection member 11 and λ/4 plates 21 or parallel.

Moreover, comprise in the form of a plurality of phase separation layers and/or phase retardation film at protection member 11 and λ/4 plates 21, the slow axis special provision is the slow axis with protection member 11 and λ/when 4 plates, 21 integral body are measured.

Of the present invention minute up-to-date style 3D display system and then comprises preferably except that member shown in Figure 2: the picture signal that stereopsis is used is processed into left eye with picture signal and the right eye image processing part with picture signal; The monitor driving circuit is used in the demonstration that this picture signal is sent to display; Corresponding to this picture signal, transmit signals to liquid crystal shutter glasses, make the synchronizing circuit of the transmitance ON/OFF of left and right sides liquid crystal shutter.

The formation of Fig. 2 is to observe image through the observer via the glasses with shutter function of utilizing liquid crystal cells 23 2 to carry out the formation that 3D shows; Even if but with liquid crystal cells 23 general configuration as shown in Figure 7 in image display device 1, also can obtain identical effect.In the case, liquid crystal cells 23 is as converting the ejaculation light of image display device 1 to unit performance function that the active light polarizing film of right rotatory polarization and left rotatory polarization is used through timesharing.On the other hand, polaroid glasses 20 sides become and do not need shutter function.In order to make image display device only be incident upon left eye respectively or only be incident upon right eye with the rotatory polarization image, can use polaroid glasses 20 with the mutual reverse rotatory polarization plate that is used for right and left eyes through the right and left eyes that timesharing shows.

The present invention also relates to a kind of 3D display system of space segmentation formula.

Fig. 8 is the generalized schematic of a form of space segmentation formula 3D display system of the present invention.Among Fig. 8, to Fig. 1～Fig. 7 in the identical symbol of the identical member of member mark, omit detailed explanation sometimes.

Space segmentation formula 3D display system shown in Figure 8 comprises image display device 10 and polaroid glasses 20 (polarization conversion element), and the observer who puts on polaroid glasses 20 observes the image of image display device 10.Display surface side at image display device 10 disposes light polarizing film, and has the protection member 31 (protection member A2) of the pattern optical anisotropic layer that is included in the 1st phase differential zone that has slow axis in the face on the mutually different direction and have λ/4 functions respectively and the 2nd phase differential zone.For example, passed through on mutually orthogonal direction, to have the 1st zone of slow axis in the face and the linear polarization image in the 2nd zone respectively and be converted into reverse rotatory polarization image respectively, and the observer has been shown.Polaroid glasses 20 also comprise linear polarization film and λ/4 layer (λ/4 plate B), and it has makes one of reverse each other rotatory polarization image only to be incident upon left eye and to make another only be incident upon the function of right eye.Before, in the space segmentation 3D display system of utilizing λ/4 plates, there was as the observer who puts on polaroid glasses during the problem of the dark corners of picture from frontal observation picture.This problem is by when from the corner of top view picture, having produced the caused problem in visual angle.In the present invention, owing to be configured in the thickness direction retardation Rth (550) of the wavelength 550nm of the protection member 31 with λ/4 functions (protection member A2) in the image display device 10 _A, with polaroid glasses 20 in the thickness direction retardation Rth (550) of wavelength 550nm of λ/4 layer 21 (λ/4 plate B) that comprised _BTherefore satisfy the relation of following formula (I) (more preferably following formula (II)),, also do not have lowering of luminance,, can realize that the good 3D that does not have brightness disproportionation shows when when frontal is observed even if observe from frontal having under the state at visual angle.

(I)：|Rth(550) _A+Rth(550) _B|≤220nm

(II)：|Rth(550) _A+Rth(550) _B|≤120nm

Postpone Re (550) in the face of the wavelength 550nm of protection member 31 (protection member A2) _A, with glasses 20 in postpone Re (550) in the face of wavelength 550nm of λ/4 layer 21 (λ/4 plate B) that comprised _BWith ideal value (137.5nm) is the center, can have the error about 25nm, for example preferred 115nm～160nm.On the other hand, with regard to the viewpoint of display characteristic, preferred Re (550) _AWith Re (550) _BDifference littler.Particularly, preferably satisfy the relation of following formula (III), more preferably satisfy the relation of following formula (IV).

(III)：|Re(550) _A-Re(550) _B|≤30nm

(IV)：|Re(550) _A-Re(550) _B|≤16nm

The 1st light polarizing film 12 that is configured in the demonstration side has protection member 31 (protection member A2) at the identification side surface, and this protection member 31 (protection member A2) has the pattern optical anisotropic layer that is included in the 1st phase differential zone and the 2nd phase differential zone that have the interior slow axis of face on the mutually different direction and have λ/4 functions respectively.The formation of protection member 31 does not have special restriction, can be monolayer constructions will, can be the lamination structure yet.As an example, can enumerate the orientation that makes liquid-crystal composition and fix and the laminate of pattern optical anisotropic layer that forms and the polymer film that supports this pattern optical anisotropic layer.If protection member 31 comprises polymer film, then also can be as the diaphragm of light polarizing film 11, therefore preferably.In addition, to have an anti-reflecting layer at the identification side surface also preferred for protection member 31.The details of these members with after state.

Polaroid glasses 20 have λ/4 layer 21 (λ/4 plate B), reach light polarizing film 24.Do not need shutter function.The lens that right and left eyes is used preferably become the formation of reverse each other rotatory polarization plate.

The formation of λ/4 layers 21 does not have special restriction yet.Can be monolayer constructions will, also can be the lamination structure.If consider that the observer wears, then preferred light weight and thin layer, therefore, the preferred single layer structure.As the member that can be used for λ/4 layers 21, can enumerate: the laminate of phase differential polymer film, phase retardation film, the orientation that makes liquid-crystal composition are fixed and the laminate of the optical anisotropic layer that forms and this optical anisotropic layer and the polymer film that supports it.If λ/4 layers 21 comprise polymer film, then also can be as the diaphragm of light polarizing film 22, therefore preferred.The details of these members with after state.In addition, it is also preferred that λ/4 layers 21 have hard conating or anti-reflecting layer on the surface.The details of these members with after state.

Slow axis is to intersect and dispose with 45 ° in the 1st phase differential zone of the absorption axes of the 1st light polarizing film 12 of image display device 10 and protection member 31 and the face in the 2nd phase differential zone.Be center ± 10 ° preferably, be 35 °～55 ° with 45 °.Be illustrated in Fig. 9 with one.In example shown in Figure 9; The absorption axes p of the 1st light polarizing film 12 is in left and right directions; If left and right directions is made as 0 ° of direction; Protect then in the 1st phase differential zone 31a and the 2nd phase differential zone 31b mutually orthogonal face separately of member 31 that slow axis b is in respectively in the slow axis a and face ± 45 ° direction, that is, slow axis a and the interior slow axis b of face intersect with 45 ° respectively in absorption axes p and the face.

Moreover layers 21 comprise in the form of a plurality of phase separation layers and/or phase retardation film in protection member 31 and λ/4, with the slow axis of slow axis special provision when measuring with protection member 31 and λ/4 layer 21 integral body.

Below, employed various members in the 3D display system of the present invention are elaborated.

1. the member that has λ/4 functions

In the form of of the present invention minute up-to-date style; The protection member A1 of the identification side surface of the 1st light polarizing film that is disposed as the identification side that is configured in image display device, and the Time Index Chart picture show λ/4 plate B that block device had, can use to have λ/member of 4 functions.In addition; In the form of space segmentation formula of the present invention; The protection member A2 of the identification side surface of the 1st light polarizing film that is disposed as the identification side that is configured in image display device; Can use to have the member that on mutually different direction, has slow axis in the face and have the pattern optical anisotropic layer of λ/4 functions, as λ/4 plate B that polarization conversion element had, can use to have λ/member of 4 functions.

Moreover; In the form shown in Fig. 2 and Fig. 3 (a); λ/4 plate B be than liquid crystal cells 23 more near the general name of all layers of image display device 1 side, in the form shown in Fig. 3 (b), λ/4 plate B are general names of all layers between light polarizing film 24 and liquid crystal cells 23.

In the present invention, the thickness direction retardation Rth (550) of the wavelength 550nm of protection member A1 or protection member A2 _A, with the thickness direction retardation Rth (550) of the wavelength 550nm of λ/4 plate B _BSatisfy the relation of following formula (I), preferably satisfy the relation of following formula (II).

(I)：|Rth(550) _A+Rth(550) _B|≤220nm

(II)：|Rth(550) _A+Rth(550) _B|≤120nm

Desirable λ/4 films are Re (550)=137.5nm, Rth (550)=0nm, Nz=Rth/Re+0.5=0.5.But the situation that is difficult to make this kind λ/4 films is more.In the present invention, as long as Rth (550) _AAnd Rth (550) _BSatisfy said relational expression (I), then, do not require Rth=0 to protection member A1 or protection member A2 and λ/4 plate B.With regard to the viewpoint of Rth,,,, can realize that also the good 3D that does not have brightness disproportionation shows even if then observe picture having under the state at visual angle from frontal as long as satisfy said formula (I) even undesirable.But, if Rth (550) _AAnd Rth (550) _BAbsolute value too high, then have preferred situation with regard to the brightness disproportionation viewpoint when vergence direction is observed, in this viewpoint, Rth (550) _APreferably-160nm～160nm, more preferably-100nm～100nm, preferably special-80nm～80nm.Rth (550) _BPreferably-200nm～200nm, more preferably-150nm～150nm, preferably special-100nm～100nm.

Postpone Re (550) in the face of the wavelength 550nm of protection member A1 or protection member A2 _A, with glasses 2 in postpone Re (550) in the face of wavelength 550nm of λ/4 plate B of being comprised _BWith ideal value (137.5nm) is the center, can have the error about 25nm, for example preferred 115nm～160nm.On the other hand, with regard to the viewpoint of display characteristic, preferred Re (550) _AWith Re (550) _BDifference littler.Particularly, preferably satisfy the relation of following formula (III), more preferably satisfy the relation of following formula (IV).

(III)：|Re(550) _A-Re(550) _B|≤30nm

(IV)：|Re(550) _A-Re(550) _B|≤16nm

Moreover, protecting member A1 or protection member A2 and λ/4 plate B to be respectively in the form of laminate Re (550) _AWith Rth (550) _A, and Re (550) _BWith Rth (550) _BThe Rth (550) and the Re (550) that represent whole laminate respectively.

Protection member A1 or protection member A2 and λ/4 plate B can be respectively monolayer constructions will, also can be the lamination structures.λ/4 plate B are owing to be included in the observer its Time Index Chart picture of wearing as glasses is shown in the blocking-up machine, therefore preferably more light weight and thin layer.In addition,, then also can be used as in abutting connection with the diaphragm of the light polarizing film of configuration if protection member A1 or protection member A2 and λ/4 plate B comprise polymer film, therefore preferred.In addition, to comprise anti-reflecting layer also preferred on the surface.As member with λ/4 functions; Can enumerate the laminate of phase differential polymer film, phase differential polymer film, the orientation that makes liquid-crystal composition is fixed and the laminate of the optical anisotropic layer that forms and this optical anisotropic layer and the polymer film that supports it can use any.The example of phase differential polymer film comprises having polymer film is extended and makes the macromolecule orientation in the film and the optically anisotropic film that manifests.Can be made up of the biaxiality film more than 1 or 2, in addition, combination that also can be through C shape plate (C plate) and A shape plate (A plate) etc. are made up the uniaxiality film more than 2 and are constituted.Certainly, also can constitute through the biaxiality film more than 1 and the uniaxiality film more than 1 are made up.Said optical anisotropic layer is the optically anisotropic layer that shows that the orientation of the molecule through liquid crystal compounds manifests.Optical anisotropic layer can have λ/4 functions separately, also can together have λ/4 functions as a whole with the polymer film that becomes supporter.

Protect member A2 to have and be included in the 1st phase differential zone and the regional pattern optical anisotropic layer of the 2nd phase differential that has slow axis in the face on the mutually different direction (example is mutually orthogonal direction).The shape of pattern etc. does not have special restriction, but in order not make left and right sides image become inhomogeneous, preferred the 1st phase differential zone and the 2nd phase differential zone are mutually the same shape, and in addition, preferred configuration separately is impartial and symmetrical.1st phase differential zone and the 2nd phase differential regional pattern optical anisotropic layer of one example for alternately disposing the identical striated of width.

The formation example of Fig. 4 and following expression protection member A1 or protection member A2 and λ/4 plate B.Moreover, reach in the drawings in the following explanation, so-called " optical anisotropy supporter " is meant the phase differential polymer film, so-called " supporter " is meant the optically approaching isotropic polymer film that comprises phase differential polymer film and low phase differential.In addition; About optical anisotropic layer, in protection member A1 and λ/4 plate B, be meant same optical anisotropic layer; In protection member A2, be meant to be included in the 1st phase differential zone and the regional pattern optical anisotropic layer of the 2nd phase differential that has slow axis in the face on the mutually different direction.

After among Fig. 5 of stating and Fig. 6 too.

Optical anisotropy supporter (Fig. 4 (i))

Optical anisotropy supporter/hard conating (Fig. 4 (ii))

Optical anisotropy supporter/low-index layer (Fig. 4 (iii))

Optical anisotropy supporter/hard conating/low-index layer (Fig. 4 (iv))

Optical anisotropy supporter/hard conating/middle index layer/high refractive index layer/low-index layer (Fig. 4 (v))

Optical anisotropy supporter/supporter/hard conating (Fig. 4 (vi))

Optical anisotropy supporter/supporter/low-index layer (Fig. 4 (vii))

Optical anisotropy supporter/supporter/hard conating/low-index layer (Fig. 4 (viii))

Optical anisotropy supporter/supporter/hard conating/middle index layer/high refractive index layer/low-index layer (Fig. 4 (ix))

Supporter/optical anisotropic layer (Fig. 4 (x))

Supporter/optical anisotropic layer/supporter/hard conating (Fig. 4 (xi))

Supporter/optical anisotropic layer/supporter/low-index layer (Fig. 4 (xii))

Supporter/optical anisotropic layer/supporter/hard conating/low-index layer (Fig. 4 (xiii))

Supporter/optical anisotropic layer/supporter/hard conating/middle index layer/high refractive index layer/low-index layer (Fig. 4 (xiv))

Optical anisotropic layer/supporter (Fig. 4 (xv))

Optical anisotropic layer/supporter/supporter/hard conating (Fig. 4 (xvi))

Optical anisotropic layer/supporter/supporter/low-index layer (Fig. 4 (xvii))

Optical anisotropic layer/supporter/supporter/hard conating/low-index layer (Fig. 4 (xviii))

Optical anisotropic layer/supporter/supporter/hard conating/middle index layer/high refractive index layer/low-index layer (Fig. 4 (xix))

Optical anisotropic layer/supporter/hard conating (Fig. 4 (xx))

Optical anisotropic layer/supporter/low-index layer (Fig. 4 (xxi))

Optical anisotropic layer/supporter/hard conating/low-index layer (Fig. 4 (xxii))

Optical anisotropic layer/supporter/hard conating/middle index layer/high refractive index layer/low-index layer (Fig. 4 (xxiii))

Supporter/optical anisotropic layer/hard conating (Fig. 4 (xxiv))

Supporter/optical anisotropic layer/low-index layer (Fig. 4 (xxv))

Supporter/optical anisotropic layer/hard conating/low-index layer (Fig. 4 (xxvi))

Supporter/optical anisotropic layer/hard conating/middle index layer/high refractive index layer/low-index layer (Fig. 4 (xxvii))

(1) polymer film

About said phase differential polymer film or as the material of the polymer film of the supporter of said optical anisotropic layer, do not have special restriction.Can enumerate various polymer films, acylated cellulose (for example three cellulose acetate membrane, cellulose diacetate film, acetylbutyrylcellulose film, cellulose acetate propionate film) for example, polycarbonate polymer; Polyester polymer such as polyethylene terephthalate or PEN, acrylic polymerss such as polymethylmethacrylate, polystyrene or acrylonitrile styrene copolymer ((Acrylonitrile Styrene; AS) resin) styrenic polymer such as, polyolefin such as tygon, polypropylene, cyclic olefin base polymers such as ENB; Like the polyolefin polymers as the ethylene propylene copolymer, polyvinyl chloride-base polymkeric substance, acylamide polymers such as nylon or aromatic polyamide; The acid imide polymkeric substance, sulfone base polymer, polyether sulfone polymkeric substance; Polyether-ether-ketone polymer, polyphenylene sulfide base polymer, vinylidene chloride base polymer; Vinyl alcohol polymer, vinyl butyral base polymer, arylide base polymer; The polyoxymethylene base polymer, epoxide polymer, or the polymkeric substance that said mixed with polymers is formed etc.Can be with the polymkeric substance more than a kind or 2 kinds as major component.Can use commercially available article, also can use Arton (JSR manufactured) as the cyclic olefin base polymer, as the polyolefinic Zeonex of noncrystalline (Japanese Ceng Rong (Zeon) manufactured)) etc.Wherein, preferred Triafol T, polyethylene terephthalate, cyclic olefin base polymer, special preferred Triafol T.

The manufacturing approach of said phase differential polymer film etc. does not have special restriction.Any method of solution film-forming method capable of using and fusion film-forming method.In order to become required characteristic, also can behind the system film, carry out the extended spot reason.In addition; When forming above it when comprising the optical anisotropic layer of liquid-crystal composition; Also can carry out surface treatment (for example glow discharge processing, Corona discharge Treatment, ultraviolet ray (Ultraviolet, UV) processing, flame treatment, saponification are handled) etc. to polymer film.

The thickness of said phase differential polymer film does not have special restriction, uses the thickness about 25 μ m～1000 μ m usually.

Moreover the polymer film of the supporter of the optical anisotropic layer of stating after being used as that comprises liquid-crystal composition can be low Re, for example can be 0nm～50nm, 0nm～30nm or 0nm～10nm.In addition, do not have special restriction as the Rth of the polymer film of supporter yet, for example can be-300nm～300nm ,-100nm～200nm or-60nm～60nm.The optical characteristics of supporter preferably basis is selected with the combination that optical anisotropic layer above it is set.

About Re, the Rth of supporter, also can wait and adjust through various known delay adjustment agent, extension.

(2) comprise the optical anisotropic layer of liquid crystal compounds

Said protection member A1, protection member A2 or λ/4 plate B also can have the optical anisotropic layer more than 1 layer, and this optical anisotropic layer comprises the constituent that contains liquid-crystal compounds.The kind of liquid crystal compounds does not have special restriction.For example can use following optical anisotropic layer: under mesomorphic state, low molecular weight liquid crystal property compound is formed after the row orientation, carry out the optical anisotropic layer that immobilization obtains through photo-crosslinking or heat cross-linking; Perhaps under mesomorphic state, high molecule liquid crystal property compound is formed after the row orientation, through cooling off the optical anisotropic layer that this orientation immobilization is obtained.Moreover in the present invention, even if liquid crystal compounds is being used under the situation of optical anisotropic layer, optical anisotropic layer also is through polymerization etc. this liquid crystal compounds to be fixed the layer that forms, and need not to show liquid crystal liquid crystal property after becoming layer.Polymerizable liquid crystal property compound can be multi-functional polymerizable liquid crystal, also can be simple function property polymerizable liquid crystal property compound.In addition, liquid crystal compounds can be discoid liquid crystal compounds, also can be rod shaped liquid crystal property compound.

In said optical anisotropic layer, preferably the molecule of liquid-crystal compounds is fixedly changed into any orientation state of vertical orientation, horizontal direction matching, mixed orientation and inclination orientation.One example is the example of the disc face of discoid liquid crystal compounds with respect to face (optical anisotropic layer face) orientation in fact vertically, and the major axis that another example is a rod shaped liquid crystal property compound is with respect to the example of face (optical anisotropic layer face) orientation in fact flatly.So-called discoid liquid crystal compounds is vertical in fact, and the mean value that is meant face (optical anisotropic layer face) and the disc face angulation of discoid liquid crystal compounds is in 70 °～90 ° the scope.More preferably 80 °～90 °, and then more preferably 85 °～90 °.So-called rod shaped liquid crystal property compound is level in fact, and the director angulation that is meant face (optical anisotropic layer face) and rod shaped liquid crystal property compound is in 0 °～20 ° the scope.More preferably 0 °～10 °, and then more preferably 0 °～5 °.

When making makes molecular mixing orientation and the visual angle interdependence of liquid-crystal compounds be asymmetrical optical compensation films, preferred 5 °～85 ° of the average slope angle of the director of liquid-crystal compounds, more preferably 10 °～80 °, and then more preferably 15 °～75 °.

Said optical anisotropic layer can be through comprising liquid crystal compounds such as rod shaped liquid crystal property compound or discoid (discotic) liquid crystal compounds, and being coated on the supporter according to the coating fluid of the polymerization initiator of stating after required comprising or orientation controlling agent or other adjuvants and forming.Preferably on supporter, form alignment film, form at the said coating fluid of this alignment film surface coated then.

[rod shaped liquid crystal property compound]

As the rod shaped liquid crystal property compound of the formation that can be used for optical anisotropic layer, preferably use azomethine class, azoxy class, cyanobiphenyl class, cyanobenzene ester class, benzoates, cyclohexane-carboxylic acid phenyl ester class, cyano-phenyl cyclohexanes, cyanic acid substituted-phenyl miazines, alkoxy substituted phenyl miazines, phenyl dioxan class, diphenyl acetylene class and thiazolinyl cyclohexyl benzonitrile class.Not only can use like above low molecular weight liquid crystal property compound, also can use high molecule liquid crystal property compound.More preferably the orientation of rod shaped liquid crystal property compound is fixed through polymerization.In the liquid crystal compounds, the preferred use has the part-structure person that can produce polymerization or cross-linking reaction through active ray or electron beam, heat etc.Preferred 1～6 of the number of this part-structure, more preferably 1～3.As polymerism rod shaped liquid crystal property compound; Can use Makromol.Chem.; (high polymer chemistry) the 190th volume; The 2255th page (1989), Advanced Materials (advanced material) the 5th volume, the 107th page (1993), No. 4683327 instructions of United States Patent (USP), No. 5622648 instructions of United States Patent (USP), No. 5770107 instructions of United States Patent (USP), International Publication WO95/22586 communique, No. 95/24455 communique of International Publication, No. 97/00600 communique of International Publication, No. 98/23580 communique of International Publication, No. 98/52905 communique of International Publication, japanese patent laid-open 1-272551 communique, japanese patent laid-open 6-16616 communique, japanese patent laid-open 7-110469 communique, japanese patent laid-open 11-80081 communique, and Japanese Patent Laid open the compound of being put down in writing in the 2001-328973 communique etc.

[discoid liquid crystal compounds]

Discoid liquid crystal compounds about the formation that can be used for said optical anisotropic layer does not have special restriction.Discoid liquid crystal compounds is in various documents (Mol.Crysr.Liq.Cryst that the people showed (molecular crystal and liquid crystal technology) such as C.Destrade, the 71st volume, the 111st page (1981); Japanization association compiles, the introduction of quarterly chemistry, No.22, the chemistry of liquid crystal, the 5th chapter, the 10th chapter the 2nd joint (1994); The Angew.Chem.Soc.Chem.Comm that the people showed such as B.Kohne (German applied chemistry meeting will) the 1794th page (1985); J.Am.Chem.Soc that the people showed (JACS) such as J.Zhang the 116th volume, the 2655th page (1994)) on the books.About the polymerization of discoid liquid crystal compounds, on the books in japanese patent laid-open 8-27284 communique.

Discoid liquid crystal compounds preferably has the polymerism base, fixing through polymerization.For example, can consider to make the polymerism base, still,, then in polyreaction, keep the orientation state to become difficult if make the direct key knot of polymerism base on discoid nuclear as the structure of replacement base key knot on the discoid nuclear of discoid liquid crystal compounds.Therefore, the structure that preferably between discoid nuclear and polymerism base, has concatenating group.That is the discoid liquid crystal compounds that, has the polymerism base is preferably by the represented compound of following formula.

D(-L-P) _n

In the formula, D is discoid nuclear, and L is the concatenating group of divalence, and P is the polymerism base, and n is 1～12 integer.The preferred concrete example of the discoid nuclear (D) in the said formula, the concatenating group (L) of divalence and polymerism base (P) is respectively Japanese Patent Laid and opens (D1)～(D15), (L1)～(L25), (P1)～(P18) that is put down in writing in the 2001-4837 communique, can preferably use the content of being put down in writing in this communique.Moreover, preferred 30 ℃～300 ℃ of the discoid nematic liquid crystal phase-solid phase transition temperature of liquid crystal compounds, more preferably 30 ℃～170 ℃.

Wavelength dispersibility by postponing in the face of the represented discoid liquid crystal compounds of following formula (I) is low; Can manifest in the higher face and postpone; In addition; Even if do not use special alignment film or adjuvant, also can reach the vertical orientation of excellent in uniformity with higher average slope angle, therefore be preferred for the formation of optical anisotropic layer.And then, contain the tendency that the coating fluid of this liquid crystal compounds exists its viscosity to become lower, also preferred with regard to the good viewpoint of coating.

(1)-1 by the represented discoid liquid-crystal compounds of general formula (I)

[changing 1]

General formula (I)

In the formula, Y ¹¹, Y ¹²And Y ¹³Respectively expression can substituted methylene or nitrogen-atoms independently; L ¹, L ²And L ³The concatenating group of representing singly-bound or divalence respectively independently; H ¹, H ²And H ³The base of representing general formula (I-A) or general formula (I-B) respectively independently; R ¹, R ²And R ³Represent formula (I-R) respectively independently;

[changing 2]

General formula (I-A)

In the general formula (I-A), YA ¹And YA ²Represent methylene or nitrogen-atoms respectively independently; XA representes oxygen atom, sulphur atom, methylene or imino group; * represent in the said general formula (I) and L ¹Side～L ³The position of side switch knot; * represent in the said general formula (I) and R ¹Side～R ³The position of side switch knot;

[changing 3]

General formula (I-B)

In the general formula (I-B), YB ¹And YB ²Represent methylene or nitrogen-atoms respectively independently; XB representes oxygen atom, sulphur atom, methylene or imino group; * represent in the said general formula (I) and L ¹Side～L ³The position of side switch knot; * represent in the said general formula (I) and R ¹Side～R ³The position of side switch knot;

General formula (I-R)

*-(-L ²¹-Q ²) _n1-L ²²-L ²³-Q ¹

In the general formula (I-R), * represent in the general formula (I) and H ¹～H ³The position of side switch knot; L ²¹The concatenating group of expression singly-bound or divalence; Q ²Expression has the base (cyclic group) of the divalence of at least a ring texture; N1 representes 0～4 integer; L ²²Expression * *-O-, * *-O-CO-, * *-CO-O-, * *-O-CO-O-, * *-S-, * *-NH-, * *-SO ₂-, * *-CH ₂-, * *-CH=CH-or * *-C ≡ C-; L ²³Expression be selected from by-O-,-S-,-C (=O)-,-SO ₂-,-NH-,-CH ₂-,-CH=CH-and-concatenating group of divalence in the cohort that C ≡ C-and their combination are formed; Q ¹Expression polymerism base or hydrogen atom.

About by the preferred range of each symbol of the represented discoid liquid-crystal compounds of trisubstituted benzene class of said formula (I), and the concrete example of the compound of said formula (I), the record that can open paragraph [the 0013]～paragraph [0077] of 2010-244038 communique with reference to Japanese Patent Laid.But, can be used for the discoid liquid-crystal compounds of trisubstituted benzene class that discoid liquid-crystal compounds of the present invention is not limited to said formula (I).

As triphenylene compound, can enumerate Japanese Patent Laid and open the middle compound of putting down in writing of the paragraph of 2007-108732 communique [0062]～paragraph [0067] etc., but the present invention is not limited to these compounds.

Moreover; Also can be made as and contain said trisubstituted benzene or triphenylene compound and, and can reach the constituent of contrary mixed orientation state by at least a, and at least a by the represented compound that comprises the triazine cyclic group of formula (III) of the represented pyridine compounds of formula (II) (more preferably general formula (II ')).The addition of said pyridine compounds is with respect to discoid liquid crystal compounds 100 mass parts, preferred 0.5 mass parts～3 mass parts.In addition, the addition of the said compound that comprises the triazine cyclic group is with respect to discoid liquid crystal compounds 100 mass parts, preferred 0.2 mass parts～0.4 mass parts.

[changing 4]

General formula (II)

In the formula, L ²³And L ²⁴Be respectively the concatenating group of divalence; R ²²It for hydrogen atom, no substituted-amino or carbon number 1～20 substituted-amino; X is a negative ion; Y ²²And Y ²³Be respectively have can be substituted 5 Yuans rings or 6 Yuans rings as the concatenating group of the divalent of part-structure; Z ²¹For being selected from by halogen substituted phenyl; The nitro substituted-phenyl; The cyanic acid substituted-phenyl; It through carbon number 1～10 the substituted phenyl of alkyl; It through carbon number 2～10 the substituted phenyl of alkoxy; Carbon number is 1～12 alkyl; Carbon number is 2～20 alkynyl; Carbon number is 1～12 alkoxy; Carbon number is 2～13 alkoxy carbonyl; Carbon number is that 7～26 aryloxycarbonyl and carbon number are the base of the monovalence in the cohort formed of 7～26 aryl-carbonyl oxygen; P is 1～10 number; And m is 1 or 2.

[changing 5]

General formula (III)

In the formula, R ³¹, R ³²And R ³³The expression end has CF ₃The alkyl or the alkoxy of base, wherein, the carbon atom more than 2 of the not adjacency in the alkyl (also comprising the alkyl in the alkoxy) can be replaced by oxygen atom or sulphur atom; X ³¹, X ³²And X ³³The expression alkylidene ,-CO-,-NH-,-O-,-S-,-SO ₂-and will 2 be selected from the base that the concatenating group of the divalence in their cohort combines at least; M31, m32 and m33 are respectively 1～5 number.In the said formula (III), preferred R ³¹, R ³²And R ³³Be respectively by the represented base of following formula.

-O(C _nH _2n) _n1O(C _mH _2m) _m1-C _kF _2k+1

In the formula, n and m are respectively 1～3, and n1 and m1 are respectively 1～3, and k is 1～10.

[changing 6]

General formula (II ')

In the formula (II '), the symbol identical with formula (II) is identical implication; L ²⁵Implication and L ²⁴Identical; R ²³, R ²⁴And R ²⁵Represent that respectively carbon number is 1～12 alkyl, n3 representes 0～4, and n4 representes 1～4, and n5 representes 0～4.

[other adjuvants]

The liquid crystal liquid crystal property constituent that is used for the formation of said optical anisotropic layer can contain other adjuvants more than a kind.As the example of spendable adjuvant, air interface orientation controlling agent, the agent of anti-depression, polymerization initiator, polymerizable monomer etc. are described.

Air interface orientation controlling agent:

Orientation is carried out at said constituent pitch angle with air interface on air interface.The degree at this pitch angle is different because of the kind of the liquid crystal compounds that contained in the liquid crystal liquid crystal property constituent or the kind of adjuvant etc., therefore must be according to purpose and the pitch angle at control air interface at random.

When the said pitch angle of control, for example can use outfield or adjuvant, but preferably use adjuvant like electric field or magnetic field.As this kind adjuvant; Have carbon number more than 1 in the preferred molecule and be 6～40 replacement or do not have that to replace fatty group or carbon number be 6～40 replacement or do not have and replace the compound that aliphatics replaces oligosiloxane oxygen base, more preferably have carbon number more than 2 in the molecule and be 6～40 replacement or do not have that to replace fatty group or carbon number be 6～40 replacement or do not have and replace the compound that aliphatics replaces oligosiloxane oxygen base.For example, as air interface orientation controlling agent, the hydrophobicity excluded volume effect compound that can use Japanese Patent Laid to open to be put down in writing in the 2002-20363 communique.

In addition, Japanese Patent Laid is opened the polymkeric substance of being put down in writing in the 2009-193046 communique etc. that contains the fluorine fatty group and is also had identical effect, therefore can be used as air interface orientation controlling agent and adds.

The addition with adjuvant is controlled in orientation as the air interface side; With respect to said constituent (be solid constituent under the situation of coating fluid, below identical), preferred 0.001 quality %～20 quality %; More preferably 0.01 quality %～10 quality %, and then more preferably 0.1 quality %～5 quality %.

The agent of anti-depression:

Material as the depression when adding the coating that to said constituent, prevents this constituent can preferably use macromolecular compound usually.

As employed polymkeric substance, only otherwise significantly hinder the tilt angle varied or the orientation of said constituent, then do not have special restriction.

As the example of polymkeric substance, on the books in japanese patent laid-open 8-95030 communique, as the preferred concrete polymkeric substance example of spy, can enumerate cellulose esters.As the example of cellulose esters, can enumerate: acetyl cellulose, cellulose acetate propionate, hydroxypropyl cellulose and acetylbutyrylcellulose.

With the addition of the mode of the orientation that do not hinder said constituent and the polymkeric substance that uses with the purpose that prevents to cave in respect to said constituent; Usually be in the scope of 0.1 quality %～10 quality %; More preferably be in the scope of 0.1 quality %～8 quality %, and then more preferably be in the scope of 0.1 quality %～5 quality %.

The polymerization initiator:

Said constituent preferably contains the polymerization initiator.If use the said constituent contain the polymerization initiator, then also can be through after being heated to till the liquid crystal phase formation temperature, make it carry out polymerization and cool off orientation state immobilization mesomorphic state, thus the making optical anisotropic layer.Polyreaction comprises the heat polymerization that uses the thermal polymerization initiator, the polyreaction of using the photopolymerization reaction of photopolymerization initiator and utilizing electron beam to shine; But also for prevent supporter etc. because of heat be out of shape, rotten, preferred light polyreaction or utilize the polyreaction of electron beam irradiation.

The example of photopolymerization initiator can be enumerated: alpha-carbonyl compound (No. 2367661, United States Patent (USP); On the books in each instructions that No. 2367670, United States Patent (USP)); Acyloin ether (on the books in No. 2448828 instructionss of United States Patent (USP)); α-hydrocarbon substituted aromatic acyloin compound (on the books in No. 2722512 instructionss of United States Patent (USP)); Multinuclear naphtoquinone compounds (No. 3046127, United States Patent (USP); On the books in each instructions that No. 2951758, United States Patent (USP)); The combination of triarylimidazoles dipolymer and p-aminophenyl ketone (on the books in No. 3549367 instructionss of United States Patent (USP)); (Japanese Patent Laid is opened clear 60-105667 communique for acridine and compound phenazine; On the books in No. 4239850 instructionss of United States Patent (USP)) and oxadiazole compound (on the books in No. 4212970 instructionss of United States Patent (USP)) etc.

0.01 quality % of the preferred said constituent of use amount of photopolymerization initiator～20 quality %, more preferably 0.5 quality %～5 quality %.

Polymerizable monomer:

In said constituent, also can add the monomer of polymerism.As can be used for polymerizable monomer of the present invention,, then do not have special qualification as long as have compatibility with the liquid-crystal compounds of institute and usefulness and produce the orientation obstruction of liquid crystal liquid crystal property constituent indistinctively.Among these polymerizable monomers, the preferred ethene property unsaturated group with polymerization activity, the for example compound of vinyl, ethyleneoxy, acryloyl group and methacryl etc. of using.The addition of said polymerizable monomer with respect to and the liquid-crystal compounds of usefulness, be in usually in the scope of 0.5 quality %～50 quality %, preferably be in the scope of 1 quality %～30 quality %.In addition, be the monomer 2 or more if use the reactive functional radix, then can expect to improve the effect with the connecting airtight property of alignment film, therefore preferably special.

Said constituent also can be used as coating fluid and prepares.As the solvent of the preparation that is used for coating fluid, preferably use general organic solvent.General representative examples of organic comprises: amide solvent (N for example; Dinethylformamide), sulfoxide kind solvent (for example dimethyl sulfoxide (DMSO)), heterocyclic solvent (for example pyridine), varsol (for example toluene, hexane), alkyl halide kind solvent (for example chloroform, methylene chloride), esters solvent (for example methyl acetate, butyl acetate), ketones solvent (for example acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone), ether solvent (for example tetrahydrofuran, 1,2-dimethoxy-ethane).Preferred esters solvent and ketones solvent, special preferred ketones solvent.Also can be also with two or more organic solvents.

Said optical anisotropic layer can become the orientation state through making said constituent, and this orientation state is fixedly made.Below, an example of manufacturing approach is described, but be not limited to this method.

At first, the constituent that contains polymerizable liquid crystal property compound at least is coated on the surface of supporter (being the alignment film surface under the situation of alignment film having).Heat etc. according to required, and make this constituent carry out orientation with required orientation state.Secondly, make this constituent carry out polyreaction etc., and its state is fixed, thereby form optical anisotropic layer.As the example that can be added into the adjuvant in the employed said constituent in this method, can enumerate said air interface orientation controlling agent, the agent of anti-depression, polymerization initiator, polymerizable monomer etc.

Being coated with known method capable of using (for example line rod rubbing method, extrusion coated method, direct intaglio plate rubbing method, reverse intaglio plate rubbing method, mould are coated with method) carries out.

In order to realize the state of orientation equably, preferably utilize alignment film.The alignment film that alignment film preferably forms through friction treatment is carried out on the surface of polymer film (for example, polyvinyl alcohol film and acid imide film etc.).The example that is preferred for alignment film of the present invention is included in Japanese Patent Laid and opens the acrylic copolymer on the books in [0130] of 2006-276203 communique～[0175] or the alignment film of methacrylic acid copolymer.If utilize this alignment film, then can suppress the fluctuation of liquid-crystal compounds, and can reach high-contrastization, therefore preferred.

Then, for the orientation state is fixed, preferably implement polymerization.Preferably make and contain the photopolymerization initiator in the said constituent, and pass through rayed and begin polymerization.In rayed, preferred use ultraviolet ray.The preferred 10mJ/cm of irradiation energy ²～50J/cm ², more preferably 50mJ/cm ²～800mJ/cm ²In order to promote photopolymerization reaction, also can under heating condition, implement rayed.In addition, because the oxygen concentration of environment is related to the degree of polymerization, therefore when in air, not reaching the required degree of polymerization, preferably make oxygen concentration decline through methods such as nitrogen replacements.As preferred oxygen concentration, preferred below 10%, more preferably below 7%, and then more preferably below 3%.

Among the present invention, so-called orientation state is through immobilized state, and typical and the most preferred form is the state that its orientation is able to keep; But, particularly, be not meant following state: be generally 0 ℃～50 ℃ only for due to this; Be that this does not have flowability through immobilized constituent, in addition in-30 ℃～70 ℃ the temperature range under the harsher condition; Through outfield or external force the orientation form is changed, can stably continue to keep through immobilized orientation form.Moreover when the orientation state finally was immobilized and is formed with optical anisotropic layer, said constituent need not to show liquid crystal liquid crystal property.For example, with regard to the result, also can polymerization or cross-linking reaction carried out through the reaction that utilizes heat, light etc., the liquid crystal compounds macromolecule quantizes and loses liquid crystal liquid crystal property.

The thickness of said optical anisotropic layer does not have special restriction, generally speaking, and about preferred 0.1 μ m～10 μ m, more preferably about 0.5 μ m～5 μ m.

Also can alignment film be used for the formation of said optical anisotropic layer, as alignment film, capable of using to polyvinyl alcohol (PVA) or upgrading polyvinyl alcohol (PVA) are carried out the friction treatment person of forming etc. as the surface of the film of major component.

Moreover, be used for said phase retardation film of the present invention and optical anisotropic layer and preferably make continuously with rectangular state.And then, though slow axis be on the both not parallel also non-orthogonal direction with respect to length direction, can be through the mode of volume to volume so that its slow axis fits with respect to mode and light polarizing film that the absorption axes of light polarizing film becomes 45 ° or 135 °, therefore preferred.That is, the slow axis of phase retardation film and optical anisotropic layer and preferred 5 °～85 ° of long limit angulation.

Angle by the slow axis of the formed optical anisotropic layer of liquid-crystal composition can be adjusted through the angle of friction.The slow axis of stretched PTFE film can be adjusted the angle of slow axis through bearing of trend.

As stated, protection member A2 has the pattern optical anisotropic layer, and this pattern optical anisotropic layer is included in the 1st phase differential zone and the 2nd phase differential zone that has the interior slow axis of face on the mutually different direction and have λ/4 functions respectively.The pattern optical anisotropic layer can be formed by liquid-crystal composition.

As the formation method of pattern optical anisotropic layer, can enumerate following form.

The 1st form is following method: utilize a plurality of effects that impact are controlled in the orientation of liquid crystal, thereafter, through outside stimulus (thermal treatment etc.) a certain effect is disappeared, and make the orientation control action of regulation dominant.For example; Orientation control ability and the compound action that is added into the orientation control ability of the orientation controlling agent in the liquid-crystal composition through alignment film; Make liquid crystal become the orientation state of regulation; And be fixed and after forming a phase differential zone, through outside stimulus (thermal treatment etc.) a certain effect (the for example effect of orientation controlling agent) is disappeared, and make another kind of orientation control action (effect of alignment film) dominant; Realize another kind of orientation state thus, and be fixed and form another phase differential zone.For example, after pyridine compounds or the imidazolium compounds of the regulation stated be water wettability because of pyridine radicals or imidazole radicals, so deflection is present in said hydrophilic polyvinyl alcohol (PVA) alignment film surface.Especially; If pyridine radicals further is substituted with the substituent amino as the acceptor of hydrogen atom; Then and produce intermolecular ydrogen bonding between the polyvinyl alcohol (PVA), and deflection is present in the alignment film surface more to high-density, and because of the effect of hydrogen bond; Pyridine derivate with the direction of the main chain quadrature of polyvinyl alcohol (PVA) on carry out orientation, therefore promote the quadrature orientation of liquid crystal with respect to frictional direction.After the pyridine derivate etc. of the regulation stated because of having a plurality of aromatic rings in the molecule, so and liquid crystal, produce powerful intermolecular π-π between the particularly discoid liquid crystal to interact, and bring out the quadrature orientation at the alignment film near interface of discoid liquid crystal.Especially, hydrophobic aromatic rings is arranged, then also have the effect of bringing out vertical orientation through its hydrophobic effect if link on the hydrophilic pyridine radicals.But, heat if surpass a certain temperature, then hydrogen bond is cut off, and the deflection existence and the density on the alignment film surface of said pyridine compounds etc. descend, thereby cause the effect of said effect to disappear.Its result, liquid crystal carries out orientation through the restraint of friction matching film itself, and liquid crystal becomes parallel orientation state.About the details of this method, be willing in the 2010-141346 instructions in Japanese Patent Laid on the books, its content as with reference to and be referenced in this instructions.

The 2nd form is to utilize the form of pattern alignment film.In this form, form pattern alignment film with mutually different orientation control ability, dispose liquid-crystal composition then above it, and make liquid crystal carry out orientation.Liquid crystal obtains the orientation restriction through each orientation control ability of pattern alignment film, reaches mutually different orientation state.Through each orientation state is fixed, form the pattern in the 1st phase differential zone and the 2nd phase differential zone corresponding to the pattern of alignment film.Pattern alignment film print process capable of using, for the shade friction of friction matching film, for shade exposure of light alignment film etc. and form.In addition, likewise form alignment film, print adjuvant that the orientation control ability is impacted (for example said salt etc.) separately, also can form the pattern alignment film thus with the pattern of regulation.With regard to the viewpoint or the easy viewpoint of making that need not large-scale equipment, preferably utilize the method for print process.About the details of this method, be willing in the 2010-173077 instructions in Japanese Patent Laid on the books, its content as with reference to and be referenced in this instructions.

In addition, also can be also with the 1st form and the 2nd form.One example is in alignment film, to add the example of light acid producing agent.In this example, in alignment film, add the light acid producing agent, form the light acid producing agent through pattern exposure and decompose the zone that produces acid compound, reach the zone that does not produce acid compound.In the part of irradiates light not; The light acid producing agent is roughly kept undecomposed state; Alignment film material, liquid crystal, and arrange the orientation state, make liquid crystal on the direction of its slow axis and frictional direction quadrature, carry out orientation according to the interaction of the required orientation controlling agent that adds.If towards the alignment film irradiates light and produce acid compound, then said interaction no longer occupies ascendancy, and the frictional direction domination orientation state of friction matching film, liquid crystal make its slow axis parallel with frictional direction and carry out parallel orientation.Light acid producing agent as being used for said alignment film preferably uses water miscible compound.The example of spendable smooth acid producing agent comprises Prog.Polym.Sci (polymer science progress)., the 23rd volume, the compound of being put down in writing in the 1485th page (1998).Examples of the photoacid generator, particularly preferably pyridinium salts, iodine-salts and sulfonium salts.About the details of this method, be willing in the 2010-289360 instructions in Japanese Patent Laid on the books, its content as with reference to and be referenced in this instructions.

(3) superficial layer

Surface at said protection member A1 or protection member A2 and λ/4 plate B also can be provided with one or more layers necessary superficial layer according to purpose.As preferred form, can enumerate: lamination has the form of hard conating on optical anisotropic layer; Lamination has the form of anti-reflecting layer on optical anisotropic layer; Lamination has hard conating on optical anisotropic layer, and then lamination has form of anti-reflecting layer etc. on hard conating.

[anti-reflecting layer]

Anti-reflecting layer is following layer: consider that with the mode that reflectivity is reduced refractive index, thickness, the number of plies, layer sequential scheduling design, and comprise the above layer of one deck at least.

The most simply constituting of anti-reflecting layer is the most surperficial formation that only is coated with low-index layer at film.In order further to reduce reflectivity, preferably that refractive index is high high refractive index layer and the low low-index layer of refractive index make up and constitute anti-reflecting layer.As constituting example; 2 layers the formation that is followed successively by high refractive index layer/low-index layer from downside is arranged; Perhaps that refractive index is different 3 layers by the formation of the sequential lamination of middle index layer (refractive index is higher than the layer that lower floor and refractive index are lower than high refractive index layer)/high refractive index layer/low-index layer etc., and then also propose to have the formation of lamination multi-layer anti-reflection layer.Wherein, With regard to permanance, optical characteristics, cost or productivity etc.; Preferably on hard conating, have middle index layer/high refractive index layer/low-index layer successively, for example can enumerate that japanese patent laid-open 8-122504 communique, japanese patent laid-open 8-110401 communique, japanese patent laid-open 10-300902 communique, Japanese Patent Laid are opened the 2002-243906 communique, Japanese Patent Laid is opened the formation of being put down in writing in 2000-111706 communique etc.In addition, open in the 2008-262187 communique on the books for the anti-reflective film of 3 layers of excellent formation of the steadiness of thickness change in Japanese Patent Laid.The anti-reflective film of said 3 layers of formation can make the mean value of reflectivity become below 0.5% under the situation on the surface that is arranged at image display device, can significantly reduce and mirror, and can obtain the image of excellent stereoscopic feeling.In addition; Also can give other functions, for example can enumerate the hard conating person (for example japanese patent laid-open 10-206603 communique, Japanese Patent Laid are opened the 2002-243906 communique, Japanese Patent Laid is opened 2007-264113 communique etc.) of the low-index layer of processing soil resistance, the high refractive index layer of antistatic behaviour, the hard conating of antistatic behaviour, anti-dazzle property etc. each layer.

The example that concrete layer when below expression has hard conating or anti-reflecting layer constitutes.In following statement ,-*/expression supplies the base material of superficial layer lamination.Particularly ,-the said optical anisotropy supporter of */expression, optical anisotropic layer, supporter etc.

-*/hard conating

-*/low-index layer

-*/antiglare layer/low-index layer

-*/hard conating/low-index layer

-*/hard conating/antiglare layer/low-index layer

-*/hard conating/high refractive index layer/low-index layer

-*/hard conating/middle index layer/high refractive index layer/low-index layer

-*/hard conating/antiglare layer/high refractive index layer/low-index layer

-*/hard conating/antiglare layer/middle index layer/high refractive index layer/low-index layer

-*/antiglare layer/high refractive index layer/low-index layer

-*/antiglare layer/middle index layer/high refractive index layer/low-index layer

Among said each formation, preferably on optical anisotropic layer, directly form superficial layers such as hard conating, antiglare layer, anti-reflecting layer.In addition, also can the blooming applying lamination that blooming that comprise optical anisotropic layer and supporter separately are provided with layers such as hard conating, antiglare layer, anti-reflecting layer be made.

[hard conating]

In order to give the physical strength of film, hard conating can be set to being arranged on the surface film of protecting on member A1 or the protection member A2.In the present invention,, be provided with the mar resistance face grow that hard conating can make pencil test etc. though can hard conating be set, thus preferred.

Low-index layer preferably is set on hard conating, middle index layer, high refractive index layer more preferably are set between hard conating and low-index layer, and constitute anti-reflective film.Hard conating also can be made up of the lamination more than two layers.

The refractive index of the hard conating among the present invention is with regard to regard to the optical design of the surface film that obtains anti-reflective, and preferred index is in 1.48～2.00 the scope, and more preferably 1.48～1.70.

The thickness of hard conating is made as about 0.5 μ m～50 μ m with regard to the viewpoint of surface film being given sufficient permanance, resistance to impact usually, preferred 1 μ m～20 μ m, more preferably 5 μ m～20 μ m.

The intensity of hard conating is in pencil hardness test, more than the preferred H, more preferably more than the 2H, most preferably more than the 3H.And then in the Taibo test (Taber test) according to JISK 5400, the abrasion amount of the test film before and after the test is few more good more.

Hard conating preferably forms through the cross-linking reaction or the polyreaction of ionization radial line hardening compound.For example can be coated on the transparent supporting body, make polyfunctional monomer or multifunctional oligomer carry out cross-linking reaction or polyreaction and form through the coating constituent that will comprise indurative polyfunctional monomer of ionization radial line or multifunctional oligomer.As the functional group of indurative polyfunctional monomer of ionization radial line or multifunctional oligomer, the functional group of preferred light polymerism, electron beam polymerization property, radiant rays polymerism, wherein, the preferred light polymerizable functional groups.As the optical polymerism functional group, can enumerate the compound of polymerizable functional groups such as having (methyl) acryloyl group, vinyl, styryl, allyl, wherein, preferred (methyl) acryloyl group reaches-C (O) OCH=CH ₂

As the concrete example of ionization radial line hardening compound, can enumerate: (methyl) diester acrylates class of (methyl) diester acrylates class, oxirane or the propylene oxide adduct of (methyl) diester acrylates class of alkane glycol, (methyl) diester acrylates class of polyoxyalkylene glycol, polyvalent alcohol, epoxy (methyl) esters of acrylic acid, (methyl) acroleic acid polyurethane class, polyester (methyl) esters of acrylic acid etc.

Polyfunctional acrylic ester compounds class with (methyl) acryloyl group can be used commercially available compound, can enumerate the KAYARAD DPHA of the NK EsterA-TMMT of Xin Zhong village chemical industry (share) manufactured, Japanese chemical drug (share) manufacturing etc.About polyfunctional monomer, open in paragraph [the 0114]～paragraph [0122] of 2009-98658 communique in Japanese Patent Laid on the books, in the present invention too.

As ionization radial line hardening compound, with regard to regard to the viewpoint of the connecting airtight property of supporter, low crimpiness, the substituent compound that preferably has hydrogen bond property.The substituting group of so-called hydrogen bond property; Be meant the substituting group that atom that electronegativity such as nitrogen, oxygen, sulphur, halogen are big and hydrogen bond form through covalent bonds; Particularly; Can enumerate OH-, SH-,-NH-, CHO-, CHN-etc., preferred (methyl) acroleic acid polyurethane class or have (methyl) esters of acrylic acid of hydroxyl.Also commercially available compound can be used, the NK Oligo U4HA of Xin Zhong village chemical industry (share) manufactured, the NK Ester A-TMM-3 of Xin Zhong village chemical industry (share) manufactured, the KAYARAD PET-30 that Japanese chemical drug (share) is made etc. can be enumerated.

In hard conating, in order to give scattering-in property, also can contain mean grain size is 1.0 μ m～10.0 μ m, the rough particle of preferred 1.5 μ m～7.0 μ m, the for example particle of mineral compound or resin particle.

In the bonding agent of hard conating,, can add various refractive index monomers or inorganic particulate or both in order to control the refractive index of hard conating.Inorganic particulate also has the effect that inhibition is shunk by the caused sclerosis of cross-linking reaction except that the effect of control refractive index.In the present invention, form hard conating after, said polyfunctional monomer and/or high refractive index monomers etc. are carried out polymerization and the polymkeric substance (comprising the inorganic particulate that is dispersed in wherein) that generates is called bonding agent.

[antiglare layer]

Antiglare layer is film contribution being utilized the anti-dazzle property of surface scattering, and preferably forms in order to the purpose of the being coated with property firmly of the hardness that promotes surface film, mar resistance.

About antiglare layer, open in paragraph [the 0178]～paragraph [0189] of 2009-98658 communique in Japanese Patent Laid on the books, in the present invention too.

[high refractive index layer and middle index layer]

The refractive index of high refractive index layer is preferred 1.70～1.74, and more preferably 1.71～1.73.The refractive index of middle index layer is to adjust with the mode of the value between the refractive index of refractive index that becomes low-index layer and high refractive index layer.In the refractive index of index layer preferred 1.60～1.64, more preferably 1.61～1.63.

Though the formation method of high refractive index layer and middle index layer also can be through chemical vapor deposition (chemical vapor deposition (Chemical Vapor Deposition; CVD)) method or physical vapor deposition (physical vapour deposition (PVD) (Physical Vapor Deposition; PVD)) method; Particularly, use the transparent membrane of inorganics oxide as a kind of vacuum vapour deposition or the sputtering method of physical vapor deposition, but the preferred method of utilizing complete wet coating.

In said index layer except that make refractive index different with said high refractive index layer, can use identical materials likewise to adjust, therefore, below especially high refractive index layer is described.

Said high refractive index layer is preferably following: coating contain inorganic fine particles, have the hardening compound of the above polymerism base of trifunctional (below; Sometimes be also referred to as " bonding agent "), the coating constituent of solvent and polymerization initiator; After making solvent seasoning, through heating, irradiation ionization radial line or two means and be used for hardening and form.When using hardening compound or initiator, after coating, make the sclerosis of hardening compound through the polyreaction of utilizing heat and/or ionization radial line, can form anti-wound property or connecting airtight property excellent middle index layer or high refractive index layer thus.

[low-index layer]

Low-index layer preferred index among the present invention is 1.30～1.47.The refractive index of the low-index layer when surface film is the anti-reflective film (middle index layer/high refractive index layer/low-index layer) of multilayered interference film type is comparatively ideal to be 1.33～1.38, and better is 1.35～1.37.Through being made as in the said scope, but the inhibitory reflex rate, keep film strength, thus preferred.Though the formation method of low-index layer also can be through chemical vapor deposition (CVD) method or physical vapor deposition (PVD) method; Particularly as a kind of vacuum vapour deposition or the sputtering method of physical vapor deposition; Use the transparent membrane of inorganics oxide, but preferably use low-index layer to pass through the method for complete wet coating with constituent and utilization.

Low-index layer can form fluorine-containing curing polymer, fluorine-containing hardening monomer, non-fluorine-containing hardening monomer, low-refraction particle etc. as constituent.These compounds can use Japanese Patent Laid to open the compound of being put down in writing in the section of 2010-152311 communique [0018] section～[0168].

The mist degree of low-index layer is preferred below 3%, more preferably below 2%, most preferably below 1%.

Be formed up to antireflection film strength till the low-index layer in the pencil hardness test of 500g load more than the preferred H, more preferably more than the 2H, most preferably more than the 3H.

In addition, in order to improve the antifouling property of anti-reflective film, the contact angle for water on surface is preferred more than 95 °.More preferably more than 102 °.Especially, if contact angle is more than 105 °, then the antifouling property for fingerprint significantly becomes good, and is therefore special preferred.In addition, more preferably the contact angle of water is more than 102 ° and surface free energy is below the 25dyne/cm, below the special preferred 23dyne/cm, and then more preferably below the 20dyne/cm.Most preferably the contact angle of water is more than 105 ° and surface free energy is below the 20dyne/cm.

(4) ultraviolet light absorber

In the present invention, protection member A1 or protection member A2 and λ/4 plate B preferably contain ultraviolet light absorber.Protecting member A1 or protection member A2 and λ/4 plate B is in the form of lamination tectosome, and preferably at least 1 layer contains ultraviolet light absorber.For example, in the form of the cementing agent that has transparent supporting body, optical anisotropic layer, anti-reflecting layer or bond them, preferably make in them any contain ultraviolet light absorber.In addition, can make in hard conating and/or the anti-reflecting layer of surface film and contain ultraviolet light absorber.As ultraviolet light absorber, can use known any ultraviolet light absorber that can manifest ultraviolet-absorbing.Among this kind ultraviolet light absorber, in order to obtain the ultraviolet-absorbing height, to can be used for the ultraviolet absorption ability (ultraviolet cutoff ability) of electronic image display device, the ultraviolet light absorber of preferred benzotriazole or Hydroxyphenyltriazines.In addition, in order to enlarge ultraviolet absorption region, can be also with the different ultraviolet light absorber of the maximum absorption wavelength more than 2 kinds.

As the benzotriazole ultraviolet light absorber; Can enumerate: 2-[2 '-hydroxyl-5 '-(methacryloxy methyl) phenyl]-2H-benzotriazole, 2-[2 '-hydroxyl-5 '-(methacryloxyethyl) phenyl]-2H-benzotriazole, 2-[2 '-hydroxyl-5 '-(methacryloxypropyl) phenyl]-2H-benzotriazole, 2-[2 '-hydroxyl-5 '-(methacryloxy hexyl) phenyl]-2H-benzotriazole, 2-[2 '-hydroxyl-3 '-tert-butyl group-5 '-(methacryloxyethyl) phenyl]-2H-benzotriazole, 2-[2 '-hydroxyl-5 '-tert-butyl group-3 '-(methacryloxyethyl) phenyl]-2H-benzotriazole, 2-[2 '-hydroxyl-5 '-(methacryloxyethyl) phenyl]-5-chloro-2H-benzotriazole, 2-[2 '-hydroxyl-5 '-(methacryloxyethyl) phenyl]-5-methoxyl-2H-benzotriazole, 2-[2 '-hydroxyl-5 '-(methacryloxyethyl) phenyl]-5-cyanic acid-2H-benzotriazole, 2-[2 '-hydroxyl-5 '-(methacryloxyethyl) phenyl]-the 5-tert-butyl group-2H-benzotriazole, 2-[2 '-hydroxyl-5 '-(methacryloxyethyl) phenyl]-5-nitro-2H-benzotriazole, 2-(2-hydroxyl-5-tert-butyl-phenyl)-2H-benzotriazole, benzenpropanoic acid-3-(2H-benzotriazole-2-yl)-5-(1; The 1-dimethyl ethyl)-the 4-hydroxyl-; C7～9-branch straight chained alkyl ester, 2-(2H-benzotriazole-2-yl)-4; Two (1-methyl isophthalic acid-phenylethyl) phenol of 6-, 2-(2H-benzotriazole-2-yl)-6-(1-methyl isophthalic acid-phenylethyl)-4-(1; 1; 3, the 3-tetramethyl butyl) phenol etc.

As the Hydroxyphenyltriazines ultraviolet light absorber, can enumerate: 2-[4-[(2-hydroxyl-3-dodecyloxy propyl group) oxygen base]-2-hydroxyphenyl] 4, two (2, the 4-3,5-dimethylphenyl)-1 of 6-; 3,5-triazine, 2-[4-(2-hydroxyl-3-tridecane oxygen base propyl group) oxygen base]-2-hydroxyphenyl]-4, two (2, the 4-3,5-dimethylphenyl)-1 of 6-; 3,5-triazine, 2-[4-[(2-hydroxyl-3-(2 '-ethyl) hexyl) the oxygen base]-the 2-hydroxyphenyl]-4, two (2, the 4-3,5-dimethylphenyl)-1 of 6-; 3,5-triazine, 2, two (2-hydroxyl-4-the butoxy phenyl)-6-of 4-(2,4-couple-butoxy phenyl)-1; 3,5-triazine, 2-(2-hydroxyl-4-[1-carbonyl octyloxy ethoxy] phenyl)-4, two (the 4-phenyl)-1,3 of 6-; 5-triazine, 2,2 ', 4,4 '-tetrahydroxybenzophenone, 2; 2 '-dihydroxy-4,4 '-dimethoxy-benzophenone, 2,2 '-dihydroxy-4-methoxy benzophenone, 2,4 dihydroxyl benzophenone, 2-hydroxyl-4-acetoxyethoxy benzophenone, 2-hydroxyl-4-methoxy benzophenone, 2; 2 '-dihydroxy-4-methoxy benzophenone, 2,2 '-dihydroxy-4,4 '-dimethoxy-benzophenone, UV-531,2; 2 '-dihydroxy-4,4 '-dimethoxy-5,5 '-disulfonic acid base benzophenone disodium salt etc.

Though the content of ultraviolet light absorber also depends on the absorbance of desired ultraviolet ray transmissivity or ultraviolet light absorber,, be generally below 20 mass parts preferred 1 mass parts～20 mass parts with respect to said uv-hardening resin 100 mass parts.When the content of ultraviolet light absorber during, the tendency that exists the ultraviolet hardening of utilizing of hardening constituent to descend more than 20 mass parts, and the possibility that also exists the luminous ray transmitance of blooming to descend.On the other hand, when the content of ultraviolet light absorber is less than 1 mass parts, can't bring into play the ultraviolet-absorbing of blooming fully.

2. light polarizing film

The image display device that is used for of the present invention minute up-to-date style 3D display system has at least 1 light polarizing film (the 1st light polarizing film) in its identification side.In the form of image display device, also has light polarizing film at the source backlight of liquid crystal cells for the liquid crystal panel that sees through pattern.In addition, show that at the Time Index Chart picture that is used for system of the present invention block device has utilized the form of the shutter function of liquid crystal cells, dispose 1 light polarizing film or holding liquid crystal unit and dispose 2 light polarizing film.

Be used for light polarizing film of the present invention and do not have special restriction, common employed light polarizing film capable of using for example can be used iodine class light polarizing film, utilize dye class light polarizing film, and any of polyenoid class light polarizing film of dichroic dye.Iodine class light polarizing film, and the dye class light polarizing film normally through making polyvinyl alcohol (PVA) absorption iodine or dichroic dye, and extend and make.

Moreover light polarizing film is used as the Polarizer that forms at its two sides applying diaphragm usually.In the present invention, also can use Polarizer.The example that Fig. 5 and Fig. 6 represent to have protection member A1 or protect the Polarizer of member A2 or λ/4 plate B, but be not limited thereto.Optical compensation films among Fig. 6 is the film with the function at the visual angle that compensates liquid crystal cells.

3. liquid crystal cells

Employed image display device and Time Index Chart picture show that the formation of block device does not have special restriction in the of the present invention minute up-to-date style 3D display system.One example is for all having utilized the form of liquid crystal cells.The formation of available liquid crystal cells does not have special restriction.Liquid crystal cells also can possess the required various inscapes of liquid crystal cells of the variety of way processed except that a pair of substrate and the liquid crystal layer.As the mode of liquid crystal cells, can enumerate: TN (Twisted Nematic) mode, STN (Super Twisted Nematic) mode; Electrically conerolled birefringence (Electrically Controlled Birefringence, ECB) mode, IPS (In-Plane Switching) mode; VA (Vertical Alignment) mode, multizone homeotropic alignment (Multidomain Vertical Alignment, MVA) mode; Image homeotropic alignment (Patterned Vertical Alignment, PVA) mode, OCB (Optically Compensated Birefringence) mode; Mix and arrange to row (Hybrid Aligned Nematic, HAN) mode, rotational symmetry arrangement micro unit (Axially Symmetric Aligned Microcell; ASM) mode; Middle gray (halftone gray scale) mode, the Region Segmentation mode, or utilized strong dielectricity liquid crystal, the anti-variety of ways such as display mode of dielectricity liquid crystal by force.In addition; The type of drive of liquid crystal cells does not have special restriction yet; Can be employed passive matrix mode among the STN-LCD etc., and use thin film transistor (TFT) (Thin Film Transistor, TFT) electrode, thin film diode (Thin Film Diode; TFD) the active matrix mode of active electrode such as electrode, any type of drive such as plasma addressed mode.It also can be the field-sequential mode that does not use colored filter.

Be used for the preferred VA pattern of liquid crystal cells, ocb mode, IPS pattern or the TN pattern of image display device, but be not limited to these patterns.

In the liquid crystal cells of VA pattern, rod shaped liquid crystal property molecule orientation in fact vertically when not applying voltage.The liquid crystal cells of VA pattern removes (1) and makes the orientation in fact vertically of rod shaped liquid crystal property molecule when not applying voltage; Make when applying voltage the orientation in fact flatly of rod shaped liquid crystal property molecule narrow sense the VA pattern liquid crystal cells (putting down in writing in the japanese patent laid-open 2-176625 communique) in addition; Also comprise (the MVA pattern) liquid crystal cells (SID97 that (2) form VA pattern multizoneization in order to enlarge the visual angle; Record in Digest oftech.Papers (technical papers summary) (the original text collection in advance) 28 (1997) 845); Make the orientation in fact vertically of rod shaped liquid crystal property molecule when (3) not applying voltage; Make rod shaped liquid crystal property molecule twist the liquid crystal cells (record in the preparatory original text collection 58～59 (1998) of Japanese liquid crystal discussion) of the pattern (n-ASM pattern) of multizone orientation when applying voltage, and the liquid crystal cells of (4) SURVIVAL pattern (delivering by LCD International 98).In addition, also can be PVA (Patterned Vertical Alignment) type, light alignment-type (Optical Alignment), and polymer-stabilized alignment (Polymer-SustainedAlignment, PSA) any.About the details of these patterns, Japanese Patent Laid open the 2006-215326 communique, and Japanese Patent Laid table 2008-538819 communique in detailed record is arranged.

The liquid crystal cells of ocb mode be make rod shaped liquid crystal property molecule in the top of liquid crystal cells and bottom the liquid crystal cells of the crooked alignment mode of (symmetrically) orientation in fact in the opposite direction.Use the liquid crystal indicator of the liquid crystal cells of crooked alignment mode in each instructions of No. 4583825, United States Patent (USP), No. 5410422, United States Patent (USP), announcement to be arranged.Because rod shaped liquid crystal property molecule carries out orientation symmetrically in the top and the bottom of liquid crystal cells, therefore the liquid crystal cells of crooked alignment mode has self-optical compensation function.Therefore, this liquid crystal mode also is called as OCB (Optically Compensatory Bend) liquid crystal mode.The liquid crystal indicator of crooked alignment mode has the fast advantage of answer speed.

In the liquid crystal cells of IPS pattern, rod shaped liquid crystal molecule is replied through applying the electric field that is parallel to real estate with respect to substrate orientation in fact abreast with making the liquid crystal molecule plane formula.The IPS pattern becomes black display under the state that does not apply electric field, a pair of up and down Polarizer see through an axle quadrature.In japanese patent laid-open 10-54982 communique, japanese patent laid-open 11-202323 communique, japanese patent laid-open 9-292522 communique, japanese patent laid-open 11-133408 communique, japanese patent laid-open 11-305217 communique, japanese patent laid-open 10-307291 communique etc., disclose the use optical compensating gage is arranged; Light leak when reducing the black display on the vergence direction, and the method at improvement visual angle.

In the liquid crystal cells of TN pattern, rod shaped liquid crystal property molecule carries out horizontal direction matching in fact when not applying voltage, and then towards 60 °～120 ° distortion orientations.The liquid crystal cells of TN pattern is used as colored TFT liquid crystal indicator at most, and is on the books in a plurality of documents.

For example; The liquid crystal cells of device used for image display can be selected with the viewpoint of display performance; In addition; Be used for the liquid crystal cells of shutter function that the Time Index Chart picture shows block device owing to carry out, so select, preferably use the liquid crystal cells of TN pattern fast with the viewpoint of answer speed and transmitance corresponding to the replying of the reflection of right eye and left eye.

[instance]

Below, illustrative example and comparative example are more specifically explained characteristic of the present invention.Below instance shown in material, use amount, ratio, contents processing, processing sequence etc. only otherwise break away from purport of the present invention, then can suitably change.Therefore, scope of the present invention should not made an explanation the concrete example shown in following with limiting.

Moreover in instance and comparative example, Re (550), Rth (550) and Re wavelength dispersion are then used the value of utilizing automatic birefringence appearance KOBRA-21ADH (prince's instrumentation machine (share) manufacturing) under wavelength 550nm, to be measured as long as there is not special instruction in advance.

1. divide up-to-date style 3D display system

(1) making of λ/4 films

(making of λ/4 film 1a)

To commercially available norbornene polymer film " ZEONOR ZF14 " (Optes (share) manufacturing) carry out the stiff end twin shaft and extend, process ENB class λ/4 film 1a.The Re (550) of ENB class λ/4 film 1a is 141nm, and Rth (550) is 155nm.In addition, the Re wavelength dispersion of λ/4 film 1a is smooth dispersion.

(making of λ/4 film 2a)

Under 156 ℃ temperature, the extension ratio with 45% to commercially available norbornene polymer film " ZEONOR ZF14 " (Optes (share) manufacturing) carry out the free end uniaxial extension, process ENB class λ/4 film 2a thus.The Re (550) of ENB class λ/4 film 2a is 141nm, and Rth (550) is 85nm.In addition, the Re wavelength dispersion of λ/4 film 2a is smooth dispersion.

(making of λ/4 film 3a)

Commercially available polycarbonate-based film " Pureace WR W-142 " (Supreme Being people changes into (share) and makes) is used as λ/4 film 3a.The Re (550) of λ/4 film 3a is 138nm, and Rth (550) is 72nm.

(preparations of λ/4 film A)

< making of transparent supporting body (CAM T1) >

Following constituent is fed in the mixing channel, and one side is heated to 30 ℃ of one sides and stirs, and makes each composition dissolving, preparation cellulose acetate solution (internal layer is with dope A and the outer dope B that uses).

[changing 7]

Postpone rising agent (A)

Use three layers of altogether curtain coating mould, make the internal layer that obtained be cooled to curtain coating on 0 ℃ the cylinder with dope B with dope A and skin.Strip the film that the residual solvent amount is 70 quality % from cylinder; Utilize pin tenter that two ends are fixed and the draw ratio of conveyance direction is made as 110%; One side is carried out the conveyance one side and is carried out drying with 80 ℃, after the residual solvent amount becomes 10%, carries out drying with 110 ℃.Thereafter, drying is 30 minutes under 140 ℃ temperature, and making residual solvent is CAM (the thickness 80 μ m (skin: 3 μ m, internal layer: 74 μ m, skin: 3 μ m)) of 0.3 quality %.The Re (550) of the CAM T1 of made is 5nm, and Rth (550) is 90nm.

< comprising the formation of the optical anisotropic layer of liquid crystal compounds >

< < alkali soap processing>>

Acidylating cellulose membrane T1 is 60 ℃ dielectric cleaning warm-up mill through temperature, and after the film surface temperature is warming up to 40 ℃, uses rod coater, with 14ml/m ²Coating weight the alkaline solution of the composition shown in following is coated on the zone face of film, last then under the steam formula far infrared heater that conveyance in 10 seconds makes to the Noritake Co., Ltd. that is heated to 110 ℃.Then, use rod coater coating 3ml/m equally ²Pure water.Then, the washing that repeats to utilize for 3 times the fountain type coating machine with utilize the dewatering of air knife after, last the arid region of conveyance to 70 in 10 seconds ℃ and carry out drying, thereby process cellulose acylate film through the alkali soap processing.

< alkaline solution composition >

< formation of alignment film >

Utilize alignment film coating fluid that the line rod of #14 will following composition to be coated on continuously on the CAM like the strip that carried out the saponification processing as said.With dry 60 seconds of 60 ℃ warm braws, and then with dry 120 seconds of 100 ℃ warm braw.

[changing 8]

The upgrading polyvinyl alcohol (PVA)

< comprising the formation of the optical anisotropic layer of discoid liquid crystal compounds >

Alignment film to above-mentioned made is implemented friction treatment continuously.At this moment, the length direction of the film of strip is parallel with the conveyance direction, with respect to the film length direction, the turning axle of friction roller is made as clockwise 45 ° direction.

Utilize the line rod that the coating fluid A that comprises discoid liquid-crystal compounds of following composition is coated on the alignment film of above-mentioned made continuously.The conveyance speed (V) of film is made as 36m/min.For the orientation of the dry and discoid liquid-crystal compounds of the solvent of coating fluid aging, with 120 ℃ warm braws heating 90 seconds.Then, under 80 ℃, carry out UV irradiation, the orientation immobilization of liquid-crystal compounds is formed the optical anisotropic layer that thickness is 1.77 μ m, thereby obtain λ/4 film A.

* 1: acrylate monomer uses oxirane upgrading trimethylolpropane triacrylate (V#360, Osaka organic chemistry (share) is made).

[changing 9]

Discoid liquid crystal compounds

[changing 10]

Pyridiniujm

Fluorine based polymer (FP1)

Fluorine based polymer (FP3)

Re (550) under the 550nm of the λ of made/4 film A is 138nm, and Rth (550) is 54nm.The direction of slow axis and the rotating shaft direct cross of friction roller.That is, with respect to the length direction of supporter, slow axis is counterclockwise 45 ° direction.The average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 °, confirms that discoid liquid crystal phase is for face orientation vertically.

(making of λ/4 film 4a)

In the making of said CAM T1, the flow of adjusting dope A becomes the thickness of the holostrome of film into 55 μ m from 80 μ m, in addition, makes CAM T2 in an identical manner.The Re of CAM T2 (550) is 2nm, and Rth (550) is 60nm.

Prepare the λ/4 film A and the CAM T2 of made.Then, via being prone to tack coat the CAM side that CAM T2 is fitted in λ/4 film A is come as λ/4 film 4a.

(making of λ/4 film 5a)

< making of transparent supporting body (CAM T3) >

In the making of CAM T1, the flow of adjusting dope A becomes the thickness of the holostrome of film into 49 μ m from 80 μ m, in addition, makes CAM T3 in an identical manner.The Re of CAM T3 (550) is 2nm, and Rth (550) is 53nm.

Prepare the λ/4 film A and the CAM T3 of made.Then, via being prone to tack coat the CAM side that CAM T3 is fitted in λ/4 film A is come as λ/4 film 5a.

(making of λ/4 film 6a)

In the set-up procedure of λ/4 film A; The amount of the line rod kind when suitably adjustment forms optical anisotropic layer and the methyl ethyl ketone of coating fluid; And will be made as counterclockwise 45 ° direction with respect to the turning axle of the friction roller of film length direction; In addition, to make λ/4 film 6a with the identical mode of preparation of λ/4 film A.The thickness of optical anisotropic layer is 1.60 μ m.Re (550) under the 550nm of the λ of made/4 film 6a is 125nm, and Rth (550) is 60nm.The direction of slow axis and the rotating shaft direct cross of friction roller.That is, with respect to the length direction of supporter, slow axis is clockwise 45 ° direction.The average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 °, confirms that discoid liquid crystal phase is for face orientation vertically.

(making of λ/4 film 7a)

In the set-up procedure of λ/4 film A; CAM T1 is become commercially available cellulose acylate film " TD80UL " (Fuji Photo Film Co., Ltd.'s manufacturing); The thickness of optical anisotropic layer is become 1.60 μ m from 1.77 μ m, in addition, make λ/4 film 7a with the method identical with the preparation of film A.

Re (550) under the 550nm of the λ of made/4 film 7a is 125nm, and Rth (550) is 8nm.The direction of slow axis and the rotating shaft direct cross of friction roller.That is, with respect to the length direction of supporter, slow axis is counterclockwise 45 ° direction when making coated face up.The average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 °, confirms that discoid liquid crystal phase is for face orientation vertically.

(making of λ/4 film 8a)

In the manufacturing process of λ/4 film 7a; The amount of the line rod kind when suitably adjustment forms optical anisotropic layer and the methyl ethyl ketone of coating fluid; And the thickness of optical anisotropic layer become 1.87 μ m from 1.77 μ m; In addition, make λ/4 film 8a with the method identical with the making of λ/4 film 7a.

Re (550) under the 550nm of the λ of made/4 film 8a is 145nm, and Rth (550) is 0nm.About the optical anisotropic layer of λ/4 film 8a, the average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 ° also, confirms that discoid liquid crystal phase is for face orientation vertically.

(making of λ/4 film 9a)

In the manufacturing process of λ/4 film 7a; The amount of the line rod kind when suitably adjustment forms optical anisotropic layer and the methyl ethyl ketone of coating fluid; And the thickness of optical anisotropic layer become 1.48 μ m from 1.77 μ m; In addition, make λ/4 film 9a with the method identical with the making of λ/4 film 7a.

Re (550) under the 550nm of the λ of made/4 film 9a is 115nm, and Rth (550) is 12nm.About the optical anisotropic layer of λ/4 film 9a, the average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 ° also, confirms that discoid liquid crystal phase is for face orientation vertically.

(making of λ/4 film 10a)

In the manufacturing process of λ/4 film 7a; The amount of the line rod kind when suitably adjustment forms optical anisotropic layer and the methyl ethyl ketone of coating fluid; And the thickness of optical anisotropic layer become 1.67 μ m from 1.77 μ m; In addition, make λ/4 film 10a with the method identical with the making of λ/4 film 7a.

Re (550) under the 550nm of the λ of made/4 film 10a is 130nm, and Rth (550) is 6nm.About the optical anisotropic layer of λ/4 film 10a, the average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 ° also, confirms that discoid liquid crystal phase is for face orientation vertically.

(making of λ/4 film 11a)

In the manufacturing process of λ/4 film 7a; The amount of the line rod kind when suitably adjustment forms optical anisotropic layer and the methyl ethyl ketone of coating fluid; And the thickness of optical anisotropic layer become 2.08 μ m from 1.77 μ m; In addition, make λ/4 film 11a with the method identical with the making of λ/4 film 7a.Re (550) under the 550nm of the λ of made/4 film 11a is 160nm, and Rth (550) is-6nm.About the optical anisotropic layer of λ/4 film 11a, the average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 ° also, confirms that discoid liquid crystal phase is for face orientation vertically.

(making of λ/4 film 12a)

In the manufacturing process of λ/4 film 7a, will become cellulose acylate film T4 as the TD80UL of the supporter of optical anisotropic layer as making as following, in addition, make film 12a with the method identical with the making of film 7a.

About the optical anisotropic layer of λ/4 film 12a, the average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 ° also, confirms that discoid liquid crystal phase is for face orientation vertically.The Re (550) of λ/4 film 12a is 130nm, and Rth (550) is-59nm.

< making of cellulose acylate film T4 >

Prepare total degree of substitution and be 2.97 acylated cellulose of (degree of substitution with acetyl group is 0.45, propiono degree of substitution be 2.52).Be added in the cellulose that is derived from paper pulp after will being cooled to-20 ℃ as the potpourri of the sulfuric acid (is 7.8 mass parts with respect to cellulose 100 mass parts) of catalyzer and carboxylic acid anhydrides, and under 40 ℃, carry out acylated.At this moment, through the kind and the amount thereof of adjustment carboxylic acid anhydrides, and the kind of adjustment acyl group and replacement ratio thereof.In addition, under 40 ℃, wear out after the acylated and adjust total degree of substitution.

< < preparation of acylated cellobiose cellulose solution>>

1) acylated cellulose

Prepared acylated cellulose is heated to 120 ℃ and carry out drying, make water percentage become below the 0.5 quality % after, make the acylated cellulose and the solvent of 30 mass parts.

2) solvent

Methylene chloride/butanols (81 mass parts/15 mass parts/4 mass parts) is used as solvent.Moreover the water percentage of these solvents is below the 0.2 quality %.

3) adjuvant

When all solution of preparation, add trimethylolpropane tris acetate 0.9 mass parts.In addition, when all solution of preparation, add silicon dioxide particles (particle diameter 20nm, Mohs value: about 7) 0.25 mass parts.

4) swelling, dissolving

To having in agitator and chilled water the stainless steel dissolving tank 400 liters of periphery round-robin, add said solvent, adjuvant, and drop into 3.0% following UV absorbing agent A, one side stirs, disperses then, and one side is added said acylated cellulose lentamente.After dropping into end, at room temperature stirred 2 hours, make its swelling implement once more after 3 hours to stir, thereby obtain the acylated cellobiose cellulose solution.

Moreover (shear stress is 5 * 10 with 15m/sec in use during stirring ⁴Kgf/m/sec ²) the high speed dispersion type that stirs of peripheral speed the core shift shaft, and central shaft on have the anchor wing and (shear stress is 1 * 10 with 1m/sec ⁴Kgf/m/sec ²) the shaft that stirs of peripheral speed.Swelling is to stop the high-speed stirred axle, and makes the peripheral speed of the shaft with anchor wing become 0.5m/sec to implement.

[changing 11]

UV agent A structure

5) filter

Utilize the filter paper (#63 of absolute filtering accuracy for 0.01mm; Japan's filter paper (share) is made) the above-mentioned acylated cellobiose cellulose solution that obtains is filtered; And then to utilize absolute filtering accuracy be that the filter paper (FH025, Pall manufactured) of 2.5 μ m filters and obtains the acylated cellobiose cellulose solution.

Said acylated cellobiose cellulose solution is heated to 30 ℃, be set at curtain coating on 15 ℃ the mirror face stainless steel supporter of belt length 60m through cast film machine (on the books in the japanese patent laid-open 11-314233 communique).Curtain coating speed is made as 15m/min, coating width is made as 200cm.The space temperature that curtain coating portion is whole is set at 15 ℃.And, with curtain coating portion at a distance of 50cm at the moment, from stripping the cellulose acylate film that rotation forms after the curtain coating, and blow 45 ℃ dry wind.Then, 110 ℃ dry 5 minutes down, and then 140 ℃ dry 10 minutes down, thereby process cellulose acylate film T4.

The Re (550) of the cellulose acylate film T4 that is obtained is 0nm, and Rth (550) is-25nm.

(making of λ/4 film 13a)

In the manufacturing process of λ/4 film 7a, will become cellulose acylate film T5 as the TD80UL of the supporter of optical anisotropic layer as making as following, in addition, make film 13a with the method identical with the making of film 7a.

About the optical anisotropic layer of λ/4 film 13a, the average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 ° also, confirms that discoid liquid crystal phase is for face orientation vertically.The Re (550) of λ/4 film 13a is 125nm, and Rth (550) is-31nm.

< making of cellulose acylate film T5 >

In the manufacturing process of cellulose acylate film T4, the addition of UV absorbing agent A is become 1.2%, and then add 11% following Rth depressant B, in addition, make cellulose acylate film T5 with the mode identical with the manufacturing approach of cellulose acylate film T4.Postponing Re (550) in the face is 1nm, and the delay Rth (550) of thickness direction is-1nm.

[changing 12]

Rth depressant B structure

(making of λ/4 film 14a)

After utilizing alkaline solution with commercially available cellulose acylate film " TD80UL " (Fuji Photo Film Co., Ltd.'s manufacturing) saponification, utilize line rod coating machine with the alignment film coating fluid of following composition with 20ml/m ²Be coated on this film.With dry 60 seconds of 60 ℃ warm braws, and then with dry 120 seconds of 100 ℃ warm braw, thereby film formed.Then, with respect to the length direction of formed film, on 45 ° of directions, implement friction treatment and form alignment film.Moreover saponification is to carry out with the processing identical with cellulose acylate film T1.

[changing 13]

The upgrading polyvinyl alcohol (PVA)

Then, utilize the optical anisotropic layer coating fluid of the following composition of line rod coating.

[changing 14]

Rod shaped liquid crystal property compound

This alignment film was heated 3 minutes in 125 ℃ calibration cell, make rod shaped liquid crystal property compound carry out orientation.Then, use the 120W/cm high-pressure mercury-vapor lamp, shine 30 seconds UV and make rod shaped liquid crystal property compound carry out crosslinked.Temperature when UV is hardened is made as 80 ℃, thereby obtains optical anisotropic layer.The thickness of optical anisotropic layer is 1.81 μ m.Thereafter, placement is cooled to till the room temperature.So, process λ/4 film 14a.State to formed optical anisotropic layer is investigated, and confirms the disorder of no crawling (coating fluid is repelled and the inequality of generation by alignment film) or orientation.

Re (550) under the 550nm of the λ of made/4 film 14a is 125nm, and Rth (550) is 95nm.

(making of λ/4 film 15a)

In the manufacturing process of λ/4 film 7a, will become cellulose acylate film T6 as the TD80UL of the supporter of optical anisotropic layer as making as following, in addition, make film 15a with the method identical with the making of film 7a.

Re (550) under the 550nm of the λ of made/4 film 15a is 138nm, and Rth (550) is 0nm, and the thickness of optical anisotropic layer is 1.77 μ m.About the optical anisotropic layer of λ/4 film 15a, the average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 ° also, confirms that discoid liquid crystal phase is for face orientation vertically.

< making of transparent supporting body (CAM T6) >

Following constituent is fed in the mixing channel, and one side heats one side and stirs, and makes each composition dissolving, and the preparation solid component concentration is the cellulose acetate solution (dope 6A) of 22 quality %.

Preparation is with respect to acetyl cellulose 100 mass parts, in said dope 6A, adds the dope 6B that adding that the silicon dioxide granule that mean grain size is 16nm (AEROSIL R972, Japanese Aerosil (share) makes) 0.02 mass parts forms has matting agent.Utilize the solvent composition identical, regulate so that solid component concentration becomes the mode of 19 quality % with dope 6A.

With with dope 6A as main flow, and make the mode that the dope 6B that matting agent is arranged becomes the orlop and the superiors that adds, use the band elongator to carry out curtain coating.With on the face temperature become 40 ℃ after, with dry 1 minute of 70 ℃ warm braws, then from peeling film and with dry 10 minutes of 140 ℃ dry wind, processing the residual solvent amount was the CAM T6 of 0.3 quality %.Have the orlop of matting agent and the superiors to become 3 μ m respectively so that add, the mode that makes main flow become 74 μ m is regulated flow.

The width of the CAM T6 of the strip that is obtained is 2300mm, and thickness is 80 μ m.In addition, postponing Re (550) in the face is 0nm, and the delay Rth (550) of thickness direction is 39nm.

(making of λ/4 film 16a)

In the set-up procedure of λ/4 film A; The amount of the line rod kind when suitably adjustment forms optical anisotropic layer and the methyl ethyl ketone of coating fluid; And will be made as counterclockwise 45 ° direction with respect to the turning axle of the friction roller of film length direction; In addition, to make λ/4 film 16a with the identical mode of preparation of λ/4 film A.The thickness of optical anisotropic layer is 2.06 μ m.Re (550) under the 550nm of the λ of made/4 film 16a is 160nm, and Rth (550) is 45nm.The direction of slow axis and the rotating shaft direct cross of friction roller.That is, with respect to the length direction of supporter, slow axis is clockwise 45 ° direction.The average slope angle for face of the disc face of discoid liquid crystal liquid crystal property molecule is 90 °, confirms that discoid liquid crystal phase is for face orientation vertically.

Below postpone the table that the delay Rth (550) of Re (550) and thickness direction gathers in the face of expression with the λ/4 film 1a～λ/4 film 16a of made.

[table 1]

λ/4 films

Re(550)(nm)

Rth(550)(nm)

1a	141	155
			2a	141	85
3a	138	72
			4a	138	115
5a	138	108
			6a	125	60
7a	125	8
			8a	145	0
9a	115	12
			10a	130	6
11a	160	-6
			12a	130	-59
13a	125	-31
			14a	125	95
15a	138	0
			16a	160	45

(making of λ/4 laminate 1b)

< preparation of surface film >

< < hard conating is with the preparation of coating fluid>>

Following constituent is fed in the mixing channel, stirs, utilizing the aperture then is that the polypropylene filter made device of 0.4 μ m filters and processes hard conating with coating fluid (solid component concentration is 58 quality %).

* 1:Irgacure184, Ciba (share) is made

[changing 15]

PETA: (the quality mean molecular weight is that the functional group's in 325,1 molecules quantity is 3.5 (mean values))

[changing 16]

Urethane monomer: (the quality mean molecular weight is that the functional group's in 596,1 molecules quantity is 4)

[changing 17]

Levelling agent (SP-13)

< < low-index layer is with the preparation of coating fluid>>

Each composition is mixed in the following manner, be dissolved in then in 85/15 potpourri (mass ratio) of MEK/MMPG-Ac and prepare the low-index layer coating fluid that solid constituent is 5 quality % (MEK representes methyl ethyl ketone, and MMPG-Ac representes propylene glycol monomethyl ether acetate).

* 1:DPHA: the potpourri of dipentaerythritol five acrylic ester and dipentaerythritol acrylate, Japanese chemical drug (share) is made

* 2:Defenser MCF-323: fluorine class interfacial agent, big Japanese ink chemical industry (share) is made

* 3: hollow silica: hollow silica particle dispersion (average particle size is 45nm, and refractive index is 1.25, utilizes the silane coupling agent with acryloyl group that surface treatment is carried out on the surface, and the MEK dispersion liquid concentration is 20%)

* 4:Irgacure127: the photopolymerization initiator, vapour crust Japan (share) makes

[changing 18]

Perfluoroolefin copolymer

In the said structure formula, 50: 50 expression mol ratios

Fluoropolymer property compound

< < formation of hard conating and low-index layer>>

Use the mould coating machine that prepared hard conating is coated on (solid constituent coating weight: 12g/m on the glass plate with coating fluid ²).At 100 ℃ down after dry 60 seconds, one side is that the mode of the environment of 0.1 volume % is carried out nitrogen wash to become oxygen concentration, and one side is used the air-cooled type metal halide lamp (Eye Graphics (share) manufacturing) of 160W/cm, and irradiation illumination is 400mW/cm ², exposure is 150mJ/cm ²Ultraviolet ray make coating layer sclerosis, process the glass plate that has hard conating (anti-reflecting layer).The said low-index layer of coating is used coating fluid on this hard conating.The drying condition of low-index layer is to be made as 70 ℃, 60 seconds; UV cured condition is that one side is that the mode of the environment below the 0.1 volume % is carried out nitrogen wash to become oxygen concentration; One side is used the air-cooled type metal halide lamp (Eye Graphics (share) manufacturing) of 240W/cm, and illumination is become 600mW/cm ², exposure is become 300mJ/cm ²Exposure.The refractive index of low-index layer is 1.34, and thickness is 95nm.As processing lamination successively as above the glass plate of hard conating, low-index layer is arranged.

After forming hard conating, low-index layer on the glass plate, hard conating and low-index layer are peeled off from glass.Use sticker that this laminating is combined on λ/4 film 1a, process λ/4 laminate 1b.The Re (550) of λ/4 laminate 1b is 141nm, and Rth (550) is 155nm.

(making of λ/4 laminate 2b)

In the manufacturing process of λ/4 laminate 1b, λ/4 film 1a are replaced to λ/4 film 2a, in addition, to make λ/4 laminate 2b with the identical mode of making of λ/4 laminate 1b.The Re (550) of λ/4 laminate 2b is 141nm, and Rth (550) is 85nm.

(making of λ/4 laminate 2b2)

Prepare the Clear LR " CV-LC " (Fuji Photo Film Co., Ltd. manufacturing) of commercially available acylated cellulose class film as the low-reflection film of supporter.Then, be fitted on λ/4 film 2a, process λ/4 laminate 2b2 via being prone to the support dignity of tack coat with CV-LC.The Re (550) of λ/4 laminate 2b2 is 141nm, and Rth (550) is 125nm.

(making of λ/4 laminate 3b)

In the manufacturing process of λ/4 laminate 1b, λ/4 film 1a are replaced to λ/4 film 3a, in addition, to make λ/4 laminate 3b with the identical mode of making of λ/4 laminate 1b.The Re (550) of λ/4 laminate 3b is 138nm, and Rth (550) is 72nm.

(making of λ/4 laminate 4b)

In the manufacturing process of λ/4 laminate 2b2, λ/4 film 2a are replaced to λ/4 film 4a, in addition, to make λ/4 laminate 4b with the identical mode of making of λ/4 laminate 2b2.The Re (550) of λ/4 laminate 4b is 138nm, and Rth (550) is 155nm.

(making of λ/4 laminate 5b)

In the manufacturing process of λ/4 laminate 4b, λ/4 film 4a are replaced to λ/4 film 5a, in addition, to make λ/4 laminate 5b with the identical mode of making of λ/4 laminate 4b.The Re (550) of λ/4 laminate 5b is 138nm, and Rth (550) is 148nm.

(making of λ/4 laminate 6b)

In the manufacturing process of λ/4 laminate 1b, λ/4 film 1a are replaced to λ/4 film 6a, in addition, to make λ/4 laminate 6b with the identical mode of making of λ/4 laminate 1b.Moreover, about surface film such as hard conatings, be formed with hard conating in the optical anisotropic layer side of λ/4 film 6a.The Re (550) of λ/4 laminate 6b is 125nm, and Rth (550) is 60nm.

(making of λ/4 laminate 6b2)

In the manufacturing process of λ/4 laminate 2b2, λ/4 film 2a are replaced to λ/4 film 6a, in addition, to make λ/4 laminate 6b2 with the identical mode of making of λ/4 laminate 2b2.Moreover, via being prone to the optical anisotropic layer side that tack coat is fitted in the support dignity of CV-LC λ/4 film 6a.The Re (550) of λ/4 laminate 6b2 is 125nm, and Rth (550) is 100nm.

(making of λ/4 laminate 7b)

In the manufacturing process of λ/4 laminate 1b, λ/4 film 1a are replaced to λ/4 film 7a, in addition, to make λ/4 laminate 7b with the identical mode of making of λ/4 laminate 1b.Moreover, be formed with surface film on the support side of λ/4 film 7a.The Re (550) of λ/4 laminate 7b is 125nm, and Rth (550) is 8nm.

(making of λ/4 laminate 9b)

In the manufacturing process of λ/4 laminate 7b, λ/4 film 7a are replaced to λ/4 film 9a, in addition, to make λ/4 laminate 9b with the identical mode of making of λ/4 laminate 7b.The Re (550) of λ/4 laminate 9b is 115nm, and Rth (550) is 12nm.

(making of λ/4 laminate 10b)

In the manufacturing process of λ/4 laminate 7b, λ/4 film 7a are replaced to λ/4 film 10a, in addition, to make λ/4 laminate 10b with the identical mode of making of λ/4 laminate 7b.The Re (550) of λ/4 laminate 10b is 130nm, and Rth (550) is 6nm.

(making of λ/4 laminate 11b)

In the manufacturing process of λ/4 laminate 7b, λ/4 film 7a are replaced to λ/4 film 11a, in addition, to make λ/4 laminate 11b with the identical mode of making of λ/4 laminate 7b.The Re (550) of λ/4 laminate 11b is 160nm, and Rth (550) is-6nm.

(making of λ/4 laminate 12b)

In the manufacturing process of λ/4 laminate 7b, λ/4 film 7a are replaced to λ/4 film 12a, in addition, to make λ/4 laminate 12b with the identical mode of making of λ/4 laminate 7b.The Re (550) of λ/4 laminate 12b is 130nm, and Rth (550) is-59nm.

(making of λ/4 laminate 13b)

In the manufacturing process of λ/4 laminate 7b, λ/4 film 7a are replaced to λ/4 film 13a, in addition, to make λ/4 laminate 13b with the identical mode of making of λ/4 laminate 7b.The Re (550) of λ/4 laminate 13b is 125nm, and Rth (550) is-31nm.

(making of λ/4 laminate 14b)

In the manufacturing process of λ/4 laminate 7b, λ/4 film 7a are replaced to λ/4 film 14a, in addition, to make λ/4 laminate 14b with the identical mode of making of λ/4 laminate 7b.The Re (550) of λ/4 laminate 14b is 125nm, and Rth (550) is 95nm.

(making of λ/4 laminate 15b)

In the manufacturing process of λ/4 laminate 7b, λ/4 film 7a are replaced to λ/4 film 15a, in addition, to make λ/4 laminate 15b with the identical mode of making of λ/4 laminate 7b.The Re (550) of λ/4 laminate 15b is 138nm, and Rth (550) is 0nm.

(making of λ/4 laminate 16b)

In the manufacturing process of λ/4 laminate 2b2, λ/4 film 2a are replaced to λ/4 film 16a, in addition, to make λ/4 laminate 16b with the identical mode of making of λ/4 laminate 2b2.Moreover, via being prone to the optical anisotropic layer side that tack coat is fitted in the support dignity of CV-LC (Fuji Photo Film Co., Ltd.'s manufacturing) λ/4 film 16a.The Re (550) of λ/4 laminate 16b is 160nm, and Rth (550) is 85nm.

Below postpone the table that the delay Rth (550) of Re (550) and thickness direction gathers in the face of expression with the λ/4 laminate 1b～λ/4 laminate 16b of made.

[table 2]

*/expression λ/4 films.

(2) making of image display device 1 (instance 1)

(making of Polarizer)

< making of device used for image display Polarizer >

Under 30 ℃; Polyvinyl alcohol (PVA) (PVA) film that with thickness is 80 μ m is that dipping dyeed in 60 seconds in the iodine aqueous solution of 0.05 quality % at iodine concentration; Then; After longitudinal extension becomes 5 times of original length in during the dipping in the boric acid aqueous solution that at boric acid concentration is 4 quality % concentration 60 seconds, 50 ℃ dry 4 minutes down, thereby acquisition thickness is the light polarizing film of 20 μ m.

(Fuji Photo Film Co., Ltd. makes Re (550)=50nm with phase retardation film through the VA of alkali soap processing in preparation; Rth (550)=125nm); Utilize said VA to fit simultaneously with phase retardation film; Make λ/4 film 5a of the said λ/4 laminate 5b of made become the light polarizing film side and utilize sticker and the cementing agent another side of fitting, thereby process device used for image display Polarizer 1.

< liquid crystal shutter glasses is with the making of Polarizer >

Under 30 ℃; Polyvinyl alcohol (PVA) (PVA) film that with thickness is 80 μ m is that dipping dyeed in 60 seconds in the iodine aqueous solution of 0.05 quality % at iodine concentration; Then; After longitudinal extension becomes 5 times of original length in during the dipping in the boric acid aqueous solution that at boric acid concentration is 4 quality % concentration 60 seconds, 50 ℃ dry 4 minutes down, thereby acquisition thickness is the light polarizing film of 20 μ m.

Preparation is through the cellulose acylate film " TD80UL " (Fuji Photo Film Co., Ltd.'s manufacturing) of alkali soap processing; Utilize said TD80UL to fit simultaneously; With the λ/4 film 3a clamping light polarizing film of made and utilize sticker and the cementing agent another side of fitting, thereby process liquid crystal shutter glasses with Polarizer 1.

(making of image display device)

Prepare the 3D liquid crystal TV set " LC-46LV3 " that Sharp (SHARP) makes, the front Polarizer is peeled, make the VA of the device used for image display Polarizer 1 of made become the liquid crystal cells rear flank and use sticker and cementing agent to fit with phase retardation film.

(making of liquid crystal shutter glasses)

Then, prepare the liquid crystal shutter glasses " AN-3DG10 " that SHARP makes.It should " AN-3DG10 " be the liquid crystal shutter glasses of mode with 2 Polarizers of λ/4 films.The Polarizer with eyes opposition side (side relative with image display device) of " AN-3DG10 " is peeled; The liquid crystal shutter glasses that makes above-mentioned made at this place via easy tack coat fit " AN-3DG10 ", is processed the liquid crystal shutter glasses W of formation as shown in Figure 2 with the TD80UL side of Polarizer 1.At this moment, so that liquid crystal shutter glasses fit with the absorption axes of Polarizer and the mode of the absorption axes quadrature of the Polarizer (not peeled and residual Polarizer) of the eyes side of " AN-3DG10 ".Do not make under the state that face tilts when relative when putting on liquid crystal shutter glasses W, so that liquid crystal shutter glasses is fitted with the mode of the slow axis quadrature of the λ/4 film 5a of the device used for image display Polarizer of the slow axis of the λ/4 film 3a of Polarizer and image display device with image display device.

(3) making (instance 2～instance 19, comparative example 1～comparative example 3) of branch up-to-date style 3D rendering display device

Shown in below table, except that replacing to λ/4 films and λ/4 laminates, to make branch up-to-date style 3D rendering display device 2～minute up-to-date style 3D rendering display device 25 with instance 1 identical mode.

(4) estimate

(picture brightness is uneven)

In the darkroom, will in two, the 3D content of show white be presented in the image display device.Put on liquid crystal shutter glasses and stand in the front of image display device, keeping the liquid crystal shutter glasses and the picture of image display device to become under the state of parallel position relation, observe the picture when face is moved, by following benchmark evaluation picture brightness inequality.The result is shown in the below table.

[metewand]

◎: the picture brightness inequality is not recognized.

Zero: brightness disproportionation is slightly recognized in any corner in the picture corner, but is permissible degree.

*: clearly recognize brightness disproportionation in the picture corner, and can't allow.

(brightness rate of descent)

For the metewand quantification that said picture brightness is uneven; Keeping the liquid crystal shutter glasses and the picture of image display device to become under the state of parallel position relation; Polar angle be from 0 the degree to 60 the degree till per 10 the degree direction on; Utilize BM5A (TOPCON manufactured) to measure the brightness that has seen through the light of liquid crystal shutter glasses from image display device; The position angle be till 0 degree to 350 degree on the direction of per 10 degree, utilize BM5A (opening up Pu Kang (TOPCON) manufactured) to measure the brightness that has seen through the light of liquid crystal shutter glasses from image display device.Then; Obtain with the brightness of polar angle 0 degree and carried out the mean value of brightness that normalized polar angle 10 is spent the direction of per 10 degree till polar angle 60 degree; And obtain the mean value (with respect to the benchmark form shown in the reference example 1) of brightness of the direction of per 10 degree till 350 degree of position angle 0 degree to position angle, the brightness rate of descent of calculating each form through following formula.Moreover benchmark form (reference example 1) is that desirable λ/4 films are used for the form of image display device and liquid crystal shutter glasses.

Brightness rate of descent (the %)=100-of each form (average brightness of the average brightness of each form/benchmark form (reference example 1)) * 100

According to the brightness rate of descent of calculating by following formula, the metewand quantification that picture brightness is uneven.

[metewand]

◎: the brightness rate of descent is less than 1%

Zero: the brightness rate of descent is more than 1%, less than 3%

*: the brightness rate of descent is more than 3%

(3D display performance)

Preparation comprises the branch up-to-date style 3D rendering display device 24 of the image display device and the liquid crystal shutter glasses of no λ/4 films.Then, in the darkroom, will be in left eye show white, show that in right eye the 3D content of black is presented in branch up-to-date style 3D rendering display device 1～minute up-to-date style 3D rendering display device 24.Put on liquid crystal shutter glasses and stand in the front of image display device,, and press following benchmark evaluation 3D display performance at the state that keeps the liquid crystal shutter glasses and the picture of image display device to become parallel position relation observation picture down.The result is shown in the below table.

[metewand]

◎: the black display of right eye and image display device 24 identical (the crosstalking of λ/4 films that result from do not recognized).

Zero: the black display of right eye is obviously bright than image display device 24, but is permissible degree (slightly recognize result from λ/4 films crosstalk).

*: the black display of clearly recognizing right eye is brighter than image display device 24, and can't allow (can't allow result from λ/4 films crosstalk).

Can know according to table, if be used as the Rth (550) of λ/4 laminates of protection member A1 _A, with Rth (550) as λ/4 films of the λ/4 layer B of liquid crystal shutter glasses _BSatisfy the relation of formula (I), then the brightness disproportionation in picture corner, brightness rate of descent promote.

Said instance and comparative example have used liquid crystal shutter glasses W, but make as following as the liquid crystal shutter glasses S that makes, and the result who carries out identical test has obtained identical result.

(making of liquid crystal shutter glasses S)

Prepare separately " AN-3DG10 "; The Polarizer with eyes opposition side (side relative with image display device) of " AN-3DG10 " is peeled; Locate via easy tack coat the λ/4 film 3a of applying made at this, process the liquid crystal shutter glasses S of the formation shown in Fig. 3 (a).At this moment, when putting on state that liquid crystal shutter glasses S do not make face tilt when relative with image display device down, so that the slow axis of the λ of liquid crystal shutter glasses S/4 film 3a and the mode that is configured in the slow axis quadrature of the λ/4 film 5a in the image display device are fitted.

In addition, make 3D display system as making as Fig. 7, and the result who carries out the test identical with said instance and comparative example, identical result obtained.

2. space segmentation formula 3D display system

(1) the space segmentation formula is with blooming A and making with its Polarizer and image display device

< making of transparent supporting body (CAM T7) >

Following constituent is fed in the mixing channel, and one side heats one side and stirs, and makes each composition dissolving, preparation acylated cellulose solution A.

Following constituent is fed in other mixing channels, and one side heats one side and stirs, and makes each composition dissolving, preparation additive solution A.

[changing 19]

Compound B-11

Compd B 2

< < making of acetyl cellulose transparent supporting body T7>>

In the acylated cellulose solution A of 477 mass parts, add the additive solution B of 40 mass parts, stirring prepares dope fully.Make dope from the curtain coating mouth towards being cooled to curtain coating on 0 ℃ the cylinder.At the solvent containing ratio is that the state of 70 quality % strips; Utilize pin tenter (pin tenter of being put down in writing among Fig. 3 of japanese patent laid-open 4-1009 number) that the two ends of the Width of film are fixed; Be under the state of 3 quality % to 5 quality % at the solvent containing ratio then, keep the extensibility of transverse direction (perpendicular to the direction of operating direction) to become 3% interval and carry out drying., between the roller of annealing device carry out conveyance, further carry out drying thus, thereby process the acetyl cellulose diaphragm that thickness is 60 μ m (transparent supporting body T7) thereafter.Transparent supporting body T7 does not contain ultraviolet light absorber, and Re (550) is 0nm, and Rth (550) is 12nm.

< < alkali soap processing>>

Making acetyl cellulose transparent supporting body T7 is 60 ℃ dielectric cleaning warm-up mill through temperature, and after the film surface temperature is warming up to 40 ℃, uses rod coater, with 14ml/m ²Coating weight the alkaline solution of the composition shown in following is coated on the one side of film, be heated to 110 ℃, last then under the steam formula far infrared heater that 10 seconds conveyance to Noritake Co., Ltd. make.Then, use rod coater coating 3ml/m equally ²Pure water.Then, the washing that repeats to utilize for 3 times the fountain type coating machine with utilize the dewatering of air knife after, last the arid region of conveyance to 70 in 10 seconds ℃ and carry out drying, thereby process acetyl cellulose transparent supporting body T7 through the alkali soap processing.

< having the making of the transparent supporting body of friction matching film >

Utilize friction matching film coating fluid that the line rod of #8 will following composition be coated on continuously above-mentioned made supporter enforcement on the face of saponification processing.With dry 60 seconds of 60 ℃ warm braws, and then, form alignment film with dry 120 seconds of 100 ℃ warm braw.Then, the horizontal stripe width that will be 285 μ m, shielding portion through the horizontal stripe width of portion is that the striped shade of 285 μ m is configured on the friction matching film, under air at room temperature, uses the illumination in the UV-C zone to be 2.5mW/cm ²Air-cooled type metal halide lamp (EyeGraphics (share) manufacturing) irradiation ultraviolet radiation 4 seconds, the light acid producing agent decomposed and produce acid compound, form the 1st phase differential zone thus and use both alignment layers.To the striped of striped shade, keep 45 ° angle so that 500rpm in one direction round carry out one time friction treatment, thereby process the transparent supporting body that have friction matching film thereafter.Moreover the thickness of alignment film is 0.5 μ m.

[changing 20]

Light acid producing agent S-2

< making of patterned optical anisotropic layer A >

Use rod coater with 4ml/m ²The following optical anisotropic layer of coating weight coating use coating fluid.Then, after carrying out 2 minutes heat agings under 110 ℃ the face temperature, be cooled to 80 ℃ till and under air, use 20mW/cm ²Air-cooled type metal halide lamp (Eye Graphics (share) manufacturing) irradiation ultraviolet radiation 20 seconds, with its orientation state immobilization, form pattern optical anisotropic layer A thus.Shade exposed portion (the 1st phase differential zone) be slow-axis direction with respect to frictional direction parallel and discoid liquid crystal vertical orientation, unexposed portion (the 2nd phase differential zone) is a quadrature ground vertical orientation.Moreover the thickness of optical anisotropic layer is 0.9 μ m.

[changing 21]

Discoid liquid crystal E-1

Alignment film interface orientation agent (II-1)

Air interface orientation agent (P-1)

Utilize TOF-SIMS (time-of-flight secondary ion mass spectrometry with halogen labeling; The TOF-SIMS V of ION-TOF manufactured) the 1st phase differential zone and the 2nd phase differential zone of formed pattern optical anisotropic layer A are analyzed respectively; The result can know in the 1st phase differential zone and the 2nd phase differential zone; The existence ratio of light acid producing agent S-2 in the corresponding both alignment layers is 8 pairs 92, and the major part of S-2 is decomposed in the 1st phase differential zone.In addition, confirm in optical anisotropic layer, on the air interface in the 1st phase differential zone, have the kation of II1 and the negative ion BF of the sour HBF4 that produced from light acid producing agent S-2 ₄ ^-On the air interface in the 2nd phase differential zone, almost do not observe these ions, can know kation and the Br of II-1 ^-Be present in the alignment film near interface.The existence of each ion on the air interface is 93 pairs 7 than the kation that is II-1, BF ₄ ^-It is 90 pairs 10.Therefore, can understand in the 2nd phase differential zone, alignment film interface orientation agent (II-1) deflection is present in the alignment film interface, but the deflection existence reduces in the 1st phase differential zone, also diffuses to air interface, and in the 1st phase differential zone, the sour HBF that is produced ₄Carry out anion exchange with II-1, promote the cationic diffusion of II-1 thus.

So that the polarizing axis of any of the slow axis in arbitrary zone in the 1st phase differential zone or the 2nd phase differential zone and 2 Polarizers that are combined into the quadrature position becomes parallel mode; Patterned optical anisotropic layer A is inserted between the Polarizer; And then; With phase differential be the sensitive colour plate of 530nm so that the polarizing axis of its slow axis and Polarizer forms the mode of 45 ° angle, be positioned on the optical anisotropic layer.Then, utilize polarizing microscope (Nikon (NIKON) make ECLIPE E600W POL) to observe to make optical anisotropic layer to rotate+45 ° state.As and as clear and definite according to observations; When make optical anisotropic layer rotated+45 ° the time; It is parallel that the slow axis in the 1st phase differential zone and the slow axis of sensitive colour plate become, so phase differential becomes greater than 530nm, and its color is towards blue (the denseer part of gradation in black and white is graphic) variation.On the other hand, because the slow axis in the 2nd phase differential zone and the slow axis quadrature of sensitive colour plate, so phase differential becomes less than 530nm, and its color is towards white (the lighter part of gradation in black and white is graphic) variation.That is, confirm to be formed with the 1st phase differential zone and the 2nd phase differential zone like figure above the expression among Figure 10.

(evaluation of optical anisotropic layer)

After the optical anisotropic layer of made peeled off from transparent supporting body; Use KOBRA-21ADH (prince's instrumentation machine (share) manufacturings) and according to said method, measure respectively the discoid liquid crystal at alignment film interface pitch angle, air interface discoid liquid crystal pitch angle, slow axis direction, reach Re, Rth.The result is shown in the below table.In the below table, so-called vertical, be meant that the pitch angle is 70 °～90 °.

According to the result shown in the below table; Can understand the pyridiniujm compound and contain the fluorine fatty group multipolymer in the presence of; After the PVA class friction matching film that contains the light acid producing agent carried out shade exposure; Make discoid liquid crystal on this alignment film that has carried out friction treatment on the direction, carrying out orientation, can obtain to have vertical orientation thus, and the 1st phase differential of slow axis quadrature zone and the regional patterned optical anisotropic layer of the 2nd phase differential.

< making of surface film A >

< < making of anti-reflective film>>

[hard conating is with the preparation of coating fluid]

Following constituent is fed in the mixing channel, stirs and process the hard conating coating fluid.

With respect to methyl ethyl ketone 900 mass parts; Add the polyfunctional acrylic ester (DPCA-20 of cyclohexanone 100 mass parts, part caprolactone upgrading; Japan's chemical drug (share) manufacturing) 750 mass parts, silicon dioxide gel (MIBK-ST; Daily output chemical industry (share) is made) 200 mass parts, photopolymerization initiator (Irgacure184, Ciba (share) is made) 50 mass parts and stir.Utilizing the aperture is that the polypropylene filter made device of 0.4 μ m filters and prepares the coating fluid that hard conating is used.

[middle index layer is with the preparation of coating fluid A]

To containing ZrO ₂([refractive index is 1.72 to Desolite Z7404 to atomic hard paint; Solid component concentration: 60 quality %; Zirconia particulate content: 70 quality % (with respect to solid constituent); The atomic mean grain size of zirconia: about 20nm; Solvent composition: methyl isobutyl ketone/methyl ethyl ketone=9/1; JSR (share) makes]) add potpourri (DPHA) 1.5 mass parts, photopolymerization initiator (Irgacure907, Ciba (share) manufacturing) 0.05 mass parts, methyl ethyl ketone 66.6 mass parts, methyl isobutyl ketone 7.7 mass parts and cyclohexanone 19.1 mass parts of dipentaerythritol five acrylic ester and dipentaerythritol acrylate in 5.1 mass parts and stir.After stirring fully, utilize the aperture be the polypropylene filter made device of 0.4 μ m filter prepare in index layer use coating fluid A.

[middle index layer is with the preparation of coating fluid B]

Potpourri (DPHA) 4.5 mass parts of interpolation dipentaerythritol five acrylic ester and dipentaerythritol acrylate, photopolymerization initiator (Irgacure907, Ciba (share) is made) 0.14 mass parts, methyl ethyl ketone 66.5 mass parts, methyl isobutyl ketone 9.5 mass parts and cyclohexanone 19.0 mass parts also stir.After stirring fully, utilize the aperture be the polypropylene filter made device of 0.4 μ m filter prepare in index layer use coating fluid B.

So that the mode that refractive index becomes 1.36, thickness becomes 90 μ m is mixed middle refractive index with coating fluid B refractive index coating fluid in the preparation in right amount with middle refractive index with coating fluid A.

[high refractive index layer is with the preparation of coating fluid]

To containing ZrO ₂([refractive index is 1.72 to Desolite Z7404 to atomic hard paint; Solid component concentration: 60 quality %; Zirconia particulate content: 70 quality % (with respect to solid constituent); The atomic mean grain size of zirconia: about 20nm; Contain the photopolymerization initiator, solvent composition: methyl isobutyl ketone/methyl ethyl ketone=9/1, JSR (share) makes]) add potpourri (DPHA) 0.75 mass parts, methyl ethyl ketone 62.0 mass parts, methyl isobutyl ketone 3.4 mass parts, cyclohexanone 1.1 mass parts of dipentaerythritol five acrylic ester and dipentaerythritol acrylate in 14.4 mass parts and stir.After stirring fully, utilizing the aperture is that the polypropylene filter made device of 0.4 μ m filters and prepares high refractive index layer and use coating fluid C.

[low-index layer is with the preparation of coating fluid]

(synthesizing of perfluoroolefin copolymer (1))

[changing 22]

In the said structure formula, 50: 50 expression mol ratios.

In the autoclave of having of inner capacities 100ml of stainless steel stirring machine, pack into ethyl acetate 40ml, hydroxyethyl vinethene 14.7g and dilauroyl peroxide 0.55g utilize nitrogen to replace carrying out in the system after the degasification.And then with hexafluoropropylene (Hexafluoropropylene, HFP) 25g is directed in the autoclave and is warming up to till 65 ℃.The pressure that temperature in the autoclave reaches 65 ℃ time point is 0.53MPa (5.4kg/cm ²).Kept this temperature and sustained response 8 hours, and reached 0.31MPa (3.2kg/cm at pressure ²) time point stop heating and place cooling.Time point till interior temperature drops to room temperature is discharged unreacted monomer, opens autoclave and takes out reactant liquor.The reactant liquor that is obtained is fed in the very excessive hexane, removes solvent, take out settled polymkeric substance thus through decant.And then, with this polymer dissolution in a spot of ethyl acetate, through carrying out deposition and from hexane, fully remove remaining monomer again 2 times.Dry back obtains polymkeric substance 28g.Then, this polymkeric substance 20g is dissolved among the DMAC N,N 100ml, after dripping acryloyl chloride 11.4g under the ice bath cooling, at room temperature stirred 10 hours.In reactant liquor, add ethyl acetate and wash, concentrate after organic layer is extracted, the polymkeric substance that is obtained is precipitated in hexane again, obtain perfluoroolefin copolymer (1) 19g thus.The refractive index of the polymkeric substance that is obtained is 1.422, and the quality mean molecular weight is 50000.

[preparation of hollow silica particle dispersion A]

To hollow silica particle particulate colloidal sol (isopropyl alcohol silicon dioxide gel; Catalyst changes into the CS60-IPA that industry (share) is made; Mean grain size is 60nm, and thickness of the shell is 10nm, and silica concentration is 20 quality %; The refractive index of silicon dioxide granule is 1.31) add in 500 mass parts acryloxy propyl trimethoxy silicane 30 mass parts, and diisopropoxy aluminium ethyl acetate 1.51 mass parts and mix after, add ion exchange water 9 mass parts.Till 60 ℃ reaction was cooled to room temperature after 8 hours down, add diacetone 1.8 mass parts, obtain dispersion liquid.Thereafter, one side is so that the mode that contains the rate almost fixed of silicon dioxide is added cyclohexanone, and one side is utilized the solvent exchange of decompression distillation under the pressure of 30Torr, obtains the dispersion liquid A that solid component concentration is 18.2 quality % through the concentration adjustment at last.Utilize gas chromatography that the IPA remaining quantity of the dispersion liquid A that obtained is analyzed, the result is below the 0.5 quality %.

[low-index layer is with the preparation of coating fluid]

With each composition such as following as mix, being dissolved in then and making solid component concentration in the methyl ethyl ketone is that the low-index layer of 5 quality % is used coating fluid Ln6.The quality % of following each composition is the ratio of the solid constituent of each composition for the total solid composition of coating fluid.

[changing 23]

Fluorine-containing unsaturated compound

TD80UL (Fuji Photo Film Co., Ltd. makes the Re/Rth=2/40 under the 550nm) is used supporter A as surface film, use the intaglio plate coating machine that the hard conating of said composition is coated on surface film with on the supporter A with coating fluid.Moreover TD80UL comprises ultraviolet light absorber.After carrying out drying under 100 ℃, one side is that the mode of the environment below the 1.0 volume % is carried out nitrogen wash to become oxygen concentration, and one side is used the air-cooled type metal halide lamp (Eye Graphics (share) manufacturing) of 160W/cm, and irradiation illumination is 400mW/cm ², exposure is 150mJ/cm ²Ultraviolet ray make coating layer sclerosis, be the hard conating A of 12 μ m thereby form thickness.

And then index layer is used coating fluid with coating fluid, high refractive index layer with coating fluid, low-index layer in the coating of use intaglio plate coating machine.The drying condition of middle index layer is to be made as 90 ℃, 30 seconds; UV cured condition is that one side is that the mode of the environment below the 1.0 volume % is carried out nitrogen wash to become oxygen concentration; One side is used the air-cooled type metal halide lamp (Eye Graphics (share) manufacturing) of 180W/cm, and illumination is become 300mW/cm ², exposure is become 240mJ/cm ²Exposure.

The drying condition of high refractive index layer is to be made as 90 ℃, 30 seconds; UV cured condition is that one side is that the mode of the environment below the 1.0 volume % is carried out nitrogen wash to become oxygen concentration; One side is used the air-cooled type metal halide lamp (Eye Graphics (share) manufacturing) of 240W/cm, and illumination is become 300mW/cm ², exposure is become 240mJ/cm ²Exposure.

The drying condition of low-index layer is to be made as 90 ℃, 30 seconds; UV cured condition is that one side is that the mode of the environment below the 0.1 volume % is carried out nitrogen wash to become oxygen concentration; One side is used the air-cooled type metal halide lamp (Eye Graphics (share) manufacturing) of 240W/cm, and illumination is become 600mW/cm ², exposure is become 600mJ/cm ²Exposure.So, process surface film A.

< the space segmentation formula is with the making of blooming A >

Utilize cementing agent that TD80UL face and the optical anisotropic layer face of patterned optical anisotropic layer A of the surface film A of above-mentioned made are fitted, process the space segmentation formula and use blooming A.

< the space segmentation formula is with the making of Polarizer A >

TD80UL (Fuji Photo Film Co., Ltd. makes the Re/Rth=2/40 under the 550nm) is used diaphragm A as Polarizer A, and the alkali soap processing is carried out on this surface.Under 55 ℃, impregnated in the sodium hydrate aqueous solution of 1.5 regulations 2 minutes, in the washing bath of room temperature, clean then, use down the sulfuric acid of 0.1 regulation to neutralize at 30 ℃ then.In the washing bath, clean once more, and then carry out drying with 100 ℃ warm braw.

Then, making thickness is that the roller shaped polyethylene alcohol film of 80 μ m extends to 5 times continuously in iodine aqueous solution, carries out drying and obtains the light polarizing film that thickness is 20 μ m.With polyvinyl alcohol (PVA) (Kuraray system PVA-117H) 3% WS as cementing agent; The said TD80UL that has carried out the alkali soap processing and the IPS that has carried out identical alkali soap processing are become the mode of light polarizing film side with their face through saponification with phase retardation film (Fuji Photo Film Co., Ltd. makes the Re/Rth=0/-5 under the 550nm); Be clipped between the light polarizing film and fit, thereby process TD80UL and IPS become the diaphragm of light polarizing film with phase retardation film Polarizer A.

< having of the making of space segmentation formula>with the Polarizer A of blooming A

Utilize cementing agent that the space segmentation formula of above-mentioned made is fitted with the TD80UL face of Polarizer A with the space segmentation formula with the transparent support dignity of blooming A, process the Polarizer A that has blooming A.At this moment, the slow axis of patterned optical anisotropic layer and the absorption axes angulation of light polarizing film are become ± 45 degree.

< making of space segmentation formula 3D rendering display device A >

The Polarizer of the identification side of the 32zp2 that Toshiba is made peels, and makes the Polarizer A that has blooming A and lc unit applying of above-mentioned made via cementing agent, processes the space segmentation formula 3D display device A of the formation of Figure 11 (a).Moreover the direction that sees through axle of light polarizing film is identical with Fig. 9.

(2) the space segmentation formula is with blooming B and making with its Polarizer and image display device

< having the making of the transparent supporting body B of light alignment film >

Use rod shaped liquid crystal and the alignment film put down in writing in International Publication 2010/090429 trumpeter's volume to make 3 d display device B.

In the enforcement of the transparent supporting body T7 of above-mentioned made light alignment materials E-1 1% WS of the following structure of coating on the face handled of saponification, and 100 ℃ dry 1 minute down.Under air, use 160W/cm ²The coated film irradiation ultraviolet radiation of air-cooled type metal halide lamp (Eye Graphics (share) manufacturing) to being obtained.At this moment; Shown in Figure 12 (a); (Moxtek manufactured, ProFlux PPL02) is arranged on the direction 1 with wire grid polarizer, and then makes public through shade A (the horizontal stripe width that sees through portion is that the horizontal stripe width of 285 μ m, shielding portion is the striped shade of 285 μ m)., as Figure 12 (b) shown in, wire grid polarizer be arranged on direction 2 on, and then make public through shade B (the horizontal stripe width that sees through portion is that the horizontal stripe width of 285 μ m, shielding portion is the striped shade of 285 μ m) thereafter.With the distance setting between exposure shade face and the light alignment film is 200 μ m.This moment, employed ultraviolet illumination was made as 100mW/cm in UV-A zone (accumulative total of wavelength 380nm～wavelength 320nm) ², exposure is made as 1000mJ/cm in the UV-A zone ²

[changing 24]

< making of patterned optical anisotropic layer B >

Prepare following optical anisotropic layer with constituent after, utilizing the aperture is that the polypropylene filter made device of 0.2 μ m filters as coating fluid.This coating fluid is coated on the transparent supporting body B that has the light alignment film, after forming the liquid crystal phase state, is cooled to till 75 ℃, under air, use 160W/cm then in drying 2 minutes under 105 ℃ the face temperature ²Air-cooled type metal halide lamp (Eye Graphics (share) manufacturing) irradiation ultraviolet radiation, with its orientation state immobilization, thereby attempted the making of patterned optical anisotropic layer B.The thickness of optical anisotropic layer is 1.3 μ m.

[changing 25]

The rod shaped liquid crystal of putting down in writing among the rod shaped liquid crystal LC242:WO2010/090429A2

Horizontal direction matching agent A

(evaluation of optical anisotropic layer)

After the optical anisotropic layer of made peeled off from transparent supporting body, to determine the direction of the slow axis of optical anisotropic layer with said identical mode.The relation of the direction of the exposure directions of the slow axis of optical anisotropic layer and alignment film is shown in the below table.Can understand according to the result shown in the below table,, can obtain to have horizontal direction matching through making rod shaped liquid crystal orientation and making public on the light alignment film, and the patterned optical anisotropic layer in the 1st phase differential of slow axis quadrature zone and the 2nd phase differential zone.

< the space segmentation formula is with the making of blooming B >

Form anti-reflective film with the method identical on the surface of the transparent supporting body B of patterned optical anisotropic layer B, process the space segmentation formula and use blooming B with said instance.

< having of the making of space segmentation formula>with the Polarizer B of blooming B

Utilize cementing agent that the TD80UL face of the Polarizer of made in patterned optical anisotropic layer face and the said instance of blooming B of above-mentioned made is fitted, process the Polarizer B that has blooming B.At this moment, the slow axis of patterned optical anisotropic layer B and the absorption axes angulation of light polarizing film are become ± 45 degree.

< making of 3 d display device B >

The Polarizer of the identification side of the 32zp2 that Toshiba is made peels, and the IPS of the Polarizer B that has blooming B that makes above-mentioned made via cementing agent processes the 3 d display device B of the formation of Figure 11 (b) with phase retardation film and lc unit applying.Moreover the direction that sees through axle of light polarizing film is identical with Fig. 9.

(3) the space segmentation formula is with blooming C and making with its Polarizer and image display device

< making of patterned optical anisotropic layer C >

In the manufacturing process of patterned optical anisotropic layer A, A replaces to TD80UL with transparent supporting body, in addition, makes patterned optical anisotropic layer C in an identical manner.

(evaluation of optical anisotropic layer)

After the optical anisotropic layer of made peeled off from transparent supporting body C, to determine the direction of the slow axis of optical anisotropic layer with said identical mode.The relation of the direction of the exposure directions of the slow axis of optical anisotropic layer and alignment film is shown in the below table.Can understand according to the result shown in the below table,, can obtain to have horizontal direction matching through making rod shaped liquid crystal orientation and making public on the light alignment film, and the patterned optical anisotropic layer in the 1st phase differential of slow axis quadrature zone and the 2nd phase differential zone.

< the space segmentation formula is with the making of blooming C >

Form anti-reflective film with the method identical on the surface of the transparent supporting body of patterned optical anisotropic layer C, process the space segmentation formula and use blooming C with said instance.

< having of the making of space segmentation formula>with the Polarizer C of blooming C

Utilize cementing agent that the TD80UL face of the Polarizer of made in patterned optical anisotropic layer C face and the said instance 1 of blooming C of above-mentioned made is fitted, process the Polarizer C that has blooming C.At this moment, the slow axis of patterned optical anisotropic layer C and the absorption axes angulation of light polarizing film are become ± 45 degree.

< making of 3 d display device C >

The Polarizer of the identification side of the 32zp2 that Toshiba is made peels, and the IPS of the Polarizer C that has blooming C that makes above-mentioned made via cementing agent processes the 3 d display device C of the formation of Figure 11 (b) with phase retardation film and lc unit applying.Moreover the direction that sees through axle of light polarizing film is identical with Fig. 9.

(4) the rotatory polarization glasses are with the making of Polarizer

Under 30 ℃; Polyvinyl alcohol (PVA) (PVA) film that with thickness is 80 μ m is that dipping dyeed in 60 seconds in the iodine aqueous solution of 0.05 quality % at iodine concentration; Then; After longitudinal extension becomes 5 times of original length in during the dipping in the boric acid aqueous solution that at boric acid concentration is 4 quality % concentration 60 seconds, 50 ℃ dry 4 minutes down, thereby acquisition thickness is the light polarizing film of 20 μ m.

Preparation is through the cellulose acylate film " TD80UL " (Fuji Photo Film Co., Ltd.'s manufacturing) of alkali soap processing; Utilize said TD80UL to fit simultaneously; With the λ/4 film 1a clamping light polarizing film of made and utilize sticker and the cementing agent another side of fitting, use Polarizer 1R thereby process the rotatory polarization glasses.At this moment, so that the slow axis angulation of the absorption axes of Polarizer and λ/4 films become 45 the degree mode fit.

Then, except that so that the slow axis angulation of the absorption axes of Polarizer and λ/4 films become-45 the degree mode fit, make the rotatory polarization glasses in an identical manner and use Polarizer 1L.

< making of rotatory polarization glasses 1 >

Preparation is attached to the glasses that Toshiba makes 32zp2.Polarizer is peeled, the rotatory polarization glasses of above-mentioned made are fitted in right eye side and left eye side with Polarizer 1R and rotatory polarization glasses with Polarizer 1L, process rotatory polarization glasses 1 via simple and easy cementing agent.

< making of rotatory polarization glasses 2 and rotatory polarization glasses 3 >

Except that using λ/4 film 6a, λ/4 film 15a to replace employed λ in the making of rotatory polarization glasses 1/the 4 film 1a, make rotatory polarization glasses 2 and rotatory polarization glasses 3 in an identical manner respectively.

4. the evaluation of space segmentation formula 3D rendering display device

(picture brightness is uneven)

In the darkroom, will in two, the 3D content of show white be presented in the image display device.Put on the rotatory polarization glasses and stand in the front of image display device, keeping the rotatory polarization glasses and the picture of image display device to become under the state of parallel position relation, observe the picture when face is moved, by following benchmark evaluation picture brightness inequality.The result is shown in the below table.

[metewand]

◎: the picture brightness inequality is not recognized.

Zero: brightness disproportionation is slightly recognized in any corner in the picture corner, but is permissible degree.

*: clearly recognize brightness disproportionation in the picture corner, and can't allow.

(brightness rate of descent)

For the metewand quantification that said picture brightness is uneven; Keeping the rotatory polarization glasses and the picture of image display device to become under the state of parallel position relation; Polar angle be from 0 the degree to 60 the degree till per 10 the degree direction on; Utilize BM5A (open up general Kanggong department make) to measure the brightness that has seen through the light of rotatory polarization glasses from image display device; The position angle be till 0 degree to 350 degree on the direction of per 10 degree, utilize BM5A (open up general Kanggong department make) to measure the brightness that has seen through the light of rotatory polarization glasses from image display device.Then; Obtain with the brightness of polar angle 0 degree and carried out the mean value of brightness that normalized polar angle 10 is spent the direction of per 10 degree till polar angle 60 degree; And obtain the mean value (with respect to the benchmark form shown in the reference example 2) of brightness of the direction of per 10 degree till 350 degree of position angle 0 degree to position angle, the brightness rate of descent of calculating each form through following formula.Moreover benchmark form (reference example 2) is that desirable λ/4 films are used for the form of image display device and polaroid glasses.

Brightness rate of descent (the %)=100-of each form (average brightness of the average brightness of each form/benchmark form (reference example 2)) * 100

According to the brightness rate of descent of calculating by following formula, the metewand quantification that picture brightness is uneven.

[metewand]

◎: the brightness rate of descent is less than 1%

Zero: the brightness rate of descent is more than 1%, less than 3%

*: the brightness rate of descent is more than 3%

(3D display performance)

Preparation comprises space segmentation formula 3D rendering display device 1～space segmentation formula 3D rendering display device 3 of rotatory polarization glasses.Then, in the darkroom, will be in left eye show white, show that in right eye the 3D content of black is presented in space segmentation formula 3D rendering display device 1～space segmentation formula 3D rendering display device 3.Put on the rotatory polarization glasses and stand in the front of image display device,, and press following benchmark evaluation 3D display performance at the state that keeps the rotatory polarization glasses and the picture of image display device to become parallel position relation observation picture down.The result is shown in the below table.

[metewand]

◎: the black display of right eye and image display device 24 identical (the crosstalking of λ/4 films that result from do not recognized).

Zero: the black display of right eye is brighter slightly than image display device 24, but is permissible degree (slightly recognize result from λ/4 films crosstalk).

*: the black display of clearly recognizing right eye is brighter than image display device 24, and can't allow (can't allow result from λ/4 films crosstalk).

[table 6]

The evaluation result of space segmentation formula 3D rendering display device

Claims (21)

1. branch up-to-date style 3D display system, it comprises:

Image display device, it has the 1st light polarizing film that is configured in the identification side and the protection member A1 with λ/4 functions that is configured in the identification side surface of said the 1st light polarizing film at least; And

The Time Index Chart picture shows the blocking-up machine, and it has λ/4 plate B at least, and synchronously moves with said image display device; This minute up-to-date style 3D display system is characterised in that:

The thickness direction retardation Rth (550) of the wavelength 550nm of said protection member A1 _A, with the thickness direction retardation Rth (550) of the wavelength 550nm of said λ/4 plate B _BSatisfy the relation of following formula (I),

(I)：|Rth(550) _A+Rth(550) _B|≤220nm。

2. according to claim 1 minute up-to-date style 3D display system is characterized in that: the relation that satisfies following formula (II):

(II)：|Rth(550) _A+Rth(550) _B|≤120nm。

3. according to claim 1 and 2 minute up-to-date style 3D display system is characterized in that: at least one of said protection member A1 and said λ/4 plate B comprise cellulose acylate film and cyclic olefin polymer film at least any.

4. according to each described minute up-to-date style 3D display system in the claim 1 to 3; It is characterized in that: at least one of said protection member A1 and said λ/4 plate B comprises optical anisotropic layer at least, and this optical anisotropic layer comprises the constituent that contains liquid-crystal compounds.

5. according to claim 4 minute up-to-date style 3D display system is characterized in that: said liquid-crystal compounds is discoid liquid-crystal compounds, in said optical anisotropic layer, and the orientation vertically of said discoid liquid-crystal compounds.

6. according to claim 4 minute up-to-date style 3D display system is characterized in that: said liquid-crystal compounds is the rod shaped liquid crystal compound, in said optical anisotropic layer, and the orientation flatly of said rod shaped liquid crystal compound.

7. according to each described minute up-to-date style 3D display system in the claim 1 to 6, it is characterized in that: said protection member A1 has anti-reflecting layer at the identification side surface.

8. according to each described minute up-to-date style 3D display system in the claim 1 to 7, it is characterized in that: said protection member A1 contains ultraviolet light absorber.

9. according to each described minute up-to-date style 3D display system in the claim 1 to 8, it is characterized in that: said image display device is a liquid crystal panel.

10. according to claim 9 minute up-to-date style 3D display system is characterized in that: said Time Index Chart picture shows the blocking-up machine and then has liquid crystal cells and the 2nd light polarizing film, and from said image display device side in opposite directions,

With said λ/4 plate B, said liquid crystal cells, and the order of said the 2nd light polarizing film, perhaps

With said the 2nd light polarizing film, said liquid crystal cells, and the order of said λ/4 plate B be configured.

11. according to claim 9 or 10 described minutes up-to-date style 3D display systems, it is characterized in that: said Time Index Chart picture shows the blocking-up machine and then has the 3rd light polarizing film, and from said image display device side in opposite directions,

With said λ/4 plate B, said the 3rd light polarizing film, said liquid crystal cells, and the order of said the 2nd light polarizing film, perhaps

With said the 2nd light polarizing film, said liquid crystal cells, said the 3rd light polarizing film, and the order of said λ/4 plate B be configured.

12. a branch up-to-date style 3D display system, it comprises:

Image display device, the liquid crystal cells of the identification side that it has the 1st light polarizing film that is configured in the identification side at least, be configured in said the 1st light polarizing film and be configured in the protection member A1 with λ/4 functions of the identification side surface of said liquid crystal cells; And

Glasses, it has λ/4 plate B at least; This minute up-to-date style 3D display system is characterised in that:

Said liquid crystal cells and image display device synchronously move, and

The thickness direction retardation Rth (550) of the wavelength 550nm of said protection member A1 _A, with the thickness direction retardation Rth (550) of the wavelength 550nm of said λ/4 plate B _BSatisfy the relation of following formula (I),

(I)：|Rth(550) _A+Rth(550) _B|≤220nm。

13. a 3D display system, it comprises:

Image display device; It has the 1st light polarizing film that is configured in the identification side at least; And be configured in the identification side surface of said the 1st light polarizing film, have the protection member A2 of the pattern optical anisotropic layer that is included in the 1st phase differential zone that has slow axis in the face on the mutually different direction and have λ/4 functions respectively and the 2nd phase differential zone; And

Polarization conversion element, it has λ/4 plate B at least; This 3D display system is characterised in that:

The thickness direction retardation Rth (550) of the wavelength 550nm of said protection member A2 _A, with the thickness direction retardation Rth (550) of the wavelength 550nm of said λ/4 plate B _BSatisfy the relation of following formula (I),

(I)：|Rth(550) _A+Rth(550) _B|≤220nm。

14. 3D display system according to claim 13 is characterized in that: the relation that satisfies following formula (II):

(II)：|Rth(550) _A+Rth(550) _B|≤120nm。

15., it is characterized in that according to claim 13 or 14 described 3D display systems: at least one of said protection member A2 and said λ/4 plate B comprise cellulose acylate film and cyclic olefin polymer film at least any.

16. according to each described 3D display system in the claim 13 to 15; It is characterized in that: at least one of said protection member A2 and said λ/4 plate B comprises optical anisotropic layer at least, and this optical anisotropic layer comprises the constituent that contains liquid-crystal compounds.

17. 3D display system according to claim 16 is characterized in that: said liquid-crystal compounds is discoid liquid-crystal compounds, in said optical anisotropic layer, and the orientation vertically of said discoid liquid-crystal compounds.

18. 3D display system according to claim 16 is characterized in that: said liquid-crystal compounds is the rod shaped liquid crystal compound, in said optical anisotropic layer, and the orientation flatly of said rod shaped liquid crystal compound.

19. according to each described 3D display system in the claim 13 to 18, it is characterized in that: said protection member A2 has anti-reflecting layer at the identification side surface.

20. according to each described 3D display system in the claim 13 to 19, it is characterized in that: said protection member A2 contains ultraviolet light absorber.

21. according to each described 3D display system in the claim 13 to 20, it is characterized in that: said image display device is a liquid crystal panel.

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