TW201224125A - Polymerizable liquid crystal composition - Google Patents

Abstract

The present invention relates to a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound showing smetic phase, a leveling agent and a solvent. Wherein, the leveling agent is selected from at least one of the groups consisting of a leveling agent containing a polyacrylate compound as a main component and a leveling agent containing a fluorine atom-containing compound as a main component. The content of the leveling agent is greater than 0.3 part by mass and less than 5 parts by mass relative to 100 parts by mass of the polymerizable liquid crystal compound.

Description

201224125 VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a polymerizable liquid crystal composition. [Prior Art] An optical film such as a polarizing film or a retardation film is used for the liquid crystal display device. Further, a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound, a photopolymerization initiator, and a solvent for producing such an optical film is disclosed in Japanese Laid-Open Patent Publication No. 2008-547062. SUMMARY OF THE INVENTION The present invention provides the following: [1] A polymerizable liquid crystal composition comprising a polymerizable liquid crystal compound exhibiting a smectic phase, a leveling agent, and a solvent, and the leveling agent is selected from the group consisting of polyacrylic acid. At least one of the group consisting of a leveling agent containing the ester compound as a main component and a leveling agent containing a fluorine atom-containing compound as a main component, and the content of the leveling agent is 100 parts by mass relative to the polymerizable liquid crystal compound. [2] The polymerizable liquid crystal composition according to [1], wherein the polymerizable liquid crystal compound is displayed between the temperature of the display layer phase and the temperature of the display isotropic phase (IV) phase. [3] The polymerizable liquid crystal composition according to [1] or [2], which further contains a pigment; [4] an optical film which is obtained by any one of Π] to [3] The polymerizable liquid crystal compound contained in the human liquid crystal composition is obtained by polymerization; [5] A method for producing an optical film, comprising the following steps (1), 158656.doc 201224125 (2), and step (3): Step (1): the method of any one of [1] to [3] a step of coating a polymerizable liquid crystal composition on a substrate to obtain a coating film, a step (2): a step of forming a liquid crystal phase in the coating film obtained in the step (1), and a step (3): by making the step (2) A step of obtaining a polymer film by polymerizing a polymerizable liquid crystal compound contained in a film having a liquid crystal phase obtained in (2); [6] The method of [5], wherein the liquid crystal phase is a smectic phase; [7] The manufacturing method of [5] or [6], wherein the step (2) is carried out by heating the coating film obtained in the step 〇) to a temperature at which the polymerizable liquid crystal compound contained in the coating film is transferred to the nematic phase In the above, the polymerizable liquid crystal compound is cooled to a temperature of the phase of the display layer to obtain a film in which the polymerizable liquid crystal compound is aligned as a film of a smectic phase; [8] a display device comprising [4] Optical film; [9] A display device comprising an optical film obtained by the manufacturing method of [5]; [10] The optical film obtained by the production method of [6] or [7] is contained. [Embodiment] In the present invention, the term "optical film" means a film that transmits light and has an optical function. The term "optical" refers to absorption, reflection, diffraction, scattering, refraction, and birefringence. A retardation film, which is one type of optical film, is used to convert linearly polarized light into circularly polarized or elliptically polarized light, or conversely converts circularly polarized or elliptically polarized light into 158656.doc 201224125 linearly polarized light. The polarizing film which is one type of optical film is used to decompose the unpolarized incident light into two orthogonal polarizing components, and to transmit one polarizing component and absorb the other polarizing component. The axial direction of the transmitted polarization component as the transmission axis is called the absorption axis. The polymerizable liquid crystal composition of the present invention contains a polymerizable liquid crystal compound exhibiting a smectic phase, a leveling agent, and a solvent, and the leveling agent is selected from a leveling agent containing a polyacrylic acid vinegar compound as a main component and a fluorine atom. The content of the leveling agent is at least 0.3 parts by mass and not more than 5 parts by mass based on 100 parts by mass of the polymerizable liquid crystal compound. The polymerizable liquid crystal compound is a compound having a polymerizable group and exhibiting liquid crystallinity. The polymerizable group means a group which participates in the polymerization reaction of the polymerizable liquid crystal compound. The polymerizable liquid crystal compound is a polymerizable liquid crystal compound which exhibits a smectic phase, and is preferably a polymerizable liquid crystal compound which exhibits a nematic phase between the temperature of the display layer and the temperature of the isotropic phase. When the polymerizable liquid crystal compound is such a compound, there is a tendency that the stratified phase of the horizontal alignment can be easily obtained. As the smectic phase, a smectic A phase, a layer (four) phase, and a smectic column are exemplified.

Type D phase, smectic _ mesh, smectic F phase, smectic type (four), smectic H phase, smectic type 1 phase, smectic J phase, and smectic K phase. Among them, it is preferably: =, smectic F phase and smectic phase! phase, more preferably layer:

= Sex: When the liquid crystal phase of the crystalline compound is such a liquid crystal phase, an optical film having a higher degree of alignment can be dispensed. X 158656.doc 201224125 The polymerizable liquid crystal composition is exemplified by a compound represented by the formula (1) (hereinafter sometimes referred to as "compound (1)"). U^V^w^xLy^x^y^x^w^V2-!;^!) [In the formula (1), X1, X2 and X3 represent a para-phenyl group which may have a substituent or may have a substituent. Cyclohexane-1,4-diyl. Among them, at least one of χ1, X2 and X3 represents a para-phenyl group which may have a substituent. Υ1 and Υ2 independently of each other -CH2CH2- -ch2o- -COO- -〇C- or CRa=N- _〇C〇〇_, single bond, ·Ν=Ν·, _CRa=CRb ruler 3 and 1^ The hydrogen atom or the alkyl group having a carbon number of i to 4 is independently represented. u represents a hydrogen atom or a polymerizable group. U2 represents a polymerizable group. W and W2 independently of each other represent a single bond, _〇·, each, 弋〇〇_ or OCOO-〇 and V2 independently of each other represent a divalent alkyl group having a carbon number of a substituent, and the divalent The _CH2_ contained in the alkyl group may also be substituted with ο, _s or NH-] X1, X2 and X3 are each independently a phenyl group which may have a substituent, or a cyclohexane-M_ which may have a substituent base. Among them, at least one of χ1, Χ1Χ3 represents a ruthenium which may have a substituent, and 4 is a stupid base. Preferably, at least two of X, Α, _ τ τ of X1, X2 and X3 are a pair of stable bases which may have a substituent. The above-mentioned para-phenylene group is preferably unsubstituted. The above cyclohexyl H,4_diyl group is preferably transcyclohexane-U4-diyl' which is more preferably unsubstituted. Examples of the substituent which the p-phenylene group has include an alkyl group having a carbon number of 1 to 4 such as an amino group, an ethyl group, a 158656.doc 201224125 butyl group, and a fluorine group (fluorine atom) or a chlorine group ( A halogen group (halogen atom) such as a chlorine atom or a bromine group (bromine atom). Examples of the substituent of the cyclohexane-1,4-diyl group include a carbon group of 1 to 4 such as a methyl group, an ethyl group, and a butyl group, a cyano group, and a fluoro group. a halogen group (halogen atom) such as a (gas atom) or a bromine group (bromine atom). The _CH2_ of the cyclohexane-1,4-diyl group may also be substituted with _〇, _s or nr_. r is a carbon number of 1~ 6 alkyl or phenyl. Y1 and Y2 are each independently _CH2CH2_, _CH2〇' _c〇〇, -ocoo-, single bond, _N=N_, _CRa=CRb ... or cRa=N. The position of the knot may be any direction. R and R are each independently a hydrogen atom or an alkyl group having a carbon number of 4. The alkyl group having 1 to 4 carbon atoms may, for example, be a methyl group, an ethyl group or a butyl group. Preferably, it is -CH2CH2-, -COO- or a single bond. Y is preferably -CH2CH2- or CH2?-. U1 is a hydrogen atom or a polymerizable group, preferably a polymerizable group. The core polymerizable groups U and u are preferably. The term "photopolymerizable group" means a group which can participate in polymerization by using an active radical derived from a photopolymerization initiator or an acid, etc. U and U are preferably the same type of group. As the polymerizable group, a vinyl group can be cited. Ethyleneoxy, b-ethylene, isopropyl, 4-vinylphenyl, acryloxy, methacryloxy, oxiranyl epoxide, etc.为 is acryl 醯 158656.doc 201224125 oxy, methacryloxyloxy, ethyleneoxy, oxiranyl and epoxihydryl groups, more preferably propylene oxime. v1 and v2 are independent of each other. The divalent alkyl group having a carbon number of 丨~20 having a substituent '-CH2· contained in the divalent alkyl group may be replaced by _〇_, _1 or ]^]9[_. As the carbon number 1 to 2 The divalent alkyl group of 0 may, for example, be a methylene group, an ethyl group, a propane-1,3-diyl group, a butane-u-diyl group, a butanediyl group, a pentane-u-diyl group, or a hexane. · 1,6-diyl, heptane q,7-diyl, octane-18 diyl, decane·ι, ιο-diyl, tetradecane_114•diyl and eicosane_12〇 The base or the like is preferably a carbon number of 2 to 12: a valent group, more preferably a divalent alkyl group having a carbon number of 6 to 12. As a substituent of the valence group, four bases can be cited, and A dentate group (a tooth atom) such as a group (10)), a chlorine group (chlorine atom), or a desert group (a desert atom). Preferred is an unsubstituted divalent divalent base. - The base 'better is unsubstituted linear _s-, -CO-O- or -O-CO-O · W] and W2 are independent of each other as a single bond, 〇 _ ' prefers a single bond or _0_. As the compound (1), it is an object. In the following formula, the ring...! , all of the compounds shown in 21). ' One base is preferably trans cyclohexane-1,4-two 158656.doc h<h2〇6*o

〇iCH2)6 o ^(HaCJn (H2〇)6

(CH2)6 201224125 3-^H2c)6-〇H〇^"^^^〇-〇i〇H2>6o-^ 3·^Η2〇)β·〇Η〇^〇'^^〇·ο ~〇-(^Η2)6〇-ζ=〇-(ch2)6〇^ %

3"°(h2cv〇-〇^^>o- 〇-(CH2)8H ot 3^0 '(H2C)ii-〇C6H13^0-O>^<^^〇-〇^(CH2)6 -°^ -Ohd〉-陶! r〇七o (M) (1-2) (1-3) (1-4) (1-5) (1-6) α-7) α-8) ( 1-9) (1,10) (MI) 201224125 qH2〇)6·

-(CH2&gt;6 I (1-12) (M3) (1-14) (1.15) (1-16) (1-17) (1-18) (1-19) (1-20) α-2ΐ ) Pt s3&quot;〇&lt;h2c&gt;6-0O~0;^w^^O&quot;0&quot;&lt;ch2)60 七3-〇(H2c}6-〇Omd^〇&quot;0^Q-〇&lt; CH2)6o( 3^&lt;H2C&gt;6*〇^^〇&quot;H^〇,L~0K^&lt;&lt;^2)6〇·^ 3~°(〇3^H2C)6-〇 O~^<H)-〇-〇-(CH2)e〇尤&gt;^·〇·〇·^0^〇传H(H2C)e-〇

3^〇(H2C)6-〇-〇^~&lt;^^〇-〇-〇-(CH2)eH H(H2CV〇-0^{^bO~〇-(CH2)6O Compound (1) The content is preferably from 70 to 99.9% by mass, more preferably from 90 to 99.9% by mass, based on 100% by mass of the solid content of the polymerizable liquid crystal composition. If it is within the above range, the alignment of the compound tends to be high. In the present specification, the "solid content component" means a component other than the solvent in all the components of the polymerizable liquid crystal composition. Two or more compounds U) may be used. •10· 158636.doc

201224125 The leveling agent is at least one selected from the group consisting of a leveling agent containing a polyacrylate compound as a main component and a leveling agent containing a fluorine atom-containing compound as a main component. The leveling agent is a function of adjusting the fluidity of the polymerizable liquid crystal composition and flattening the applied film, and examples thereof include a surfactant. As a leveling agent containing a polyacrylate compound as a main component, ΒΥΚ-350, ΒΥΚ-352, ΒΥΚ-353, ΒΥΚ-354, BYK-355, BYK-358N, BYK-361N, BYK-380, BYK -381, BYK-392 (all trade names, manufactured by BYK Chemie Co., Ltd.), etc. As a leveling agent containing a fluorine atom-containing compound as a main component, Megafac (trade name) R-08, Megafac R-30, Megafac R-90, Megafac F-410 ' Megafac F-411 ' Megafac F- 443 ' Megafac F-445, Megafac F-470, Megafac F-471, Megafac F-477, Megafac F-479, Megafac F-482, Megafac F-483 (all above, manufactured by DIC), Surflon ( Trade name) S-381, Surflon S-382, Surflon S-383, Surflon S-393, Surflon SC-101 ' Surflon SC-105, KH-40, SA-100 (above, all AGC Seimi Chemical) Manufactured under the trade name E1830, trade name E5844 (manufactured by Daikin Fine Chemical Research Institute), Eftop (trade name) EF301, Eftop EF303, Eftop EF351, Eftop EF352 (above, all manufactured by Mitsubishi Materials Electronic Chemicals) )Wait. The content of the leveling agent is 0.3 parts by mass or more and 5 parts by mass or less, preferably 0.5 parts by mass or more and 3 158656.doc 201224125 parts by mass or less based on 100 parts by mass of the polymerizable liquid crystal compound. When the content of the leveling agent is within the above range, the components contained in the polymerizable liquid crystal composition tend to be aligned horizontally, and the obtained optical film tends to be smooth. When the content of the leveling agent exceeds 5 parts by mass, unevenness easily occurs in the obtained optical film. The leveling agent may be one selected from the group consisting of a leveling agent containing a polyacrylate compound as a main component and a leveling agent containing a fluorine atom-containing compound as a main component, or two types may be used in combination. the above. The leveling agent is preferably a polyacrylate compound, a fluorine atom-containing compound or both. The polymerizable liquid crystal composition of the present invention preferably contains a dichroic dye. If the polymerizable liquid crystal composition of the present invention contains a dichroic dye, the obtained optical film functions as a polarizing film. The dichroic dye refers to a dye having a property in which the absorbance in the long axis direction of the molecule is different from the absorbance in the short axis direction. The dichroic dye can be a dye or a pigment. The dichroic dye is preferably a dichroic dye J having a maximum absorption wavelength in the range of 300 to 700 nm as a dichroic dye, and examples thereof include a pigmentation dye, a naphthol pigment, a naphthalene pigment, and an azo. Pigment and onion brewing pigments. It is also possible to use two or more kinds of dichroic dyes in combination. The dichroic dye is preferably an azo dye. Examples of the azo dye include a monoazo dye, a disazo dye, a trisazo dye, a tetrazo pigment, and a azo dye, and a disazo dye and a trisazo dye are preferable. The azo dye is a compound represented by the formula (2). A , (-Ν=Ν-Α2)ρ-Ν=Ν-Α3(2) 158656.doc -12- 201224125 [In the formula (2), A1 and A3 each independently represent a stupid group which may have a substituent, A naphthyl group having a substituent or may have a substituent! a heterocyclic group; A2 each independently represents a diastereous group which may have a substituent, a naphthalene-1,4-diyl group which may have a substituent or a divalent heterocyclic group which may have a substituent; p represents an integer; When P is an integer of 2 or more, a plurality of a2 may be the same or different, and the monovalent heterocyclic group may be exemplified by a quinoline ring, a thiazole ring, a benzofluorene ring, a thiophene thiazole ring, or the like. The imidazole ring, the benzimidazole ring, the carbazole ring, and the benzo ring-shaped heterocyclic ring are formed by removing one hydrogen atom. Further, examples of the divalent heterocyclic group include a group obtained by removing two hydrogen atoms from the above heterocyclic ring. Examples of the substituent of the phenyl group, the naphthyl group and the monovalent heterocyclic group in A1 and A3, and the para-phenyl group, naphthalene-1,4-diyl group and divalent heterocyclic group in a2 include: An alkyl group having a carbon number such as a mercapto group, an ethyl group or a butyl group; an alkoxy group having a carbon number of 1 to 4 such as a mercapto group, an ethoxy group or a butoxy group; and a melamine having a carbon number of 1 to 4 such as a trifluoromethyl group; An alkyl group; a cyano group; a nitro group; a fluoro group, a gas group, a bromo group, and the like; an amine group; a diethylamino group, a pyrrolidinyl group, and the like substituted with an alkyl group having 1 to 4 carbon atoms (substituted in The two alkyl groups on the amine group may also be bonded to each other to form a carbon number of 2 to 8 ones. The azo dye is preferably a compound represented by the following formulas (2-1) to (2-6). 158656.doc 13- 201224125 N=N-·^^—Ν=Ν· .B2 J nl

(2-3)

1==N^Q^B12 (2-1) B7 (2-2) (M)

(2-5)

(2r6) [B1 to B20 in the formulae (2-1) to (2_6) independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a cyano group, and a nitro group. An amine group, an amine group substituted with a carbon group of 1 to 4 (the two alkyl groups substituted on the amine group may be bonded to each other to form a divalent alkyl group having 2 to 8 carbon atoms), and a gas group ( Chlorine atom) or trifluoromethyl group; η 1 to n4 each independently represent an integer of 〇 3 to 3] As the onion pigment, a compound represented by the formula (2-7) is preferable. R8 Ο R1

R2 R3 (2-7) 14· 158656.doc

201224125 -Rx, amine group, [in formula (2-7), Ri~R8 are independently represented by a hydrogen atom

Rx represents a carbon group having 1 to 4 carbon atoms or -NHRX, -NR, _叱 or _ atom, and an aryl group having 6 to 12 carbon atoms. As the W coloring matter, a compound represented by the formula (2-8) is preferred.

[In the formula (2-7), R to RU independently represent a hydrogen atom, _RX, an amine group NHR, -NR 2, -81^ or _ atom, and Rx represents an alkyl group of carbon number 4 or a carbon number of 6~ Aryl group of 12] As the anthrone dye, a compound represented by the formula (2-9) is preferred.

[In the formula (2-9), 'R9 to RM each independently represent a ruthenium atom, _rX, an amine group, -NHR, -NR 2, _SRX or a functional atom, and Rx represents a condensed group of carbon number 4 or a carbon number of 6~ Aryl group of 12] The alkyl group having 1 to 4 carbon atoms in Rx may, for example, be a methyl group, an ethyl group, a propyl group or a butyl group. Examples of the aryl group having 6 to 12 carbon atoms in Rx include a phenyl group, a fluorenylphenyl group, a diphenylene group, and a naphthyl group. The cyanine dye is preferably a compound represented by the formula (2-1) and a compound represented by the formula (2_u) 158656.doc, 201224125. D1~h^^2 (mo

Jn5 [In the formula (2*~1〇), ρ^ U and 0 respectively represent the groups represented by the formula (2-10a) to the formula (2-10d);

d^=c-c==D4 (2.n) l J n6

C-10d) [In the formula (2-11), 'D3 and D4 each independently represent a group represented by the formula (2_lla) to the formula (2_uh); ===ζ〇^x) (2-lla&gt; (2- 11b) (2-lic) (211d)

N6 represents an integer of 1 to 3 j. The content of the dichroic dye relative to the mass of the polymerizable liquid crystal compound 158656.doc

-16 - 201224125 The injured car is preferably 50 parts by mass or less, more preferably 0.1 parts by mass or more and 20 parts or less, more preferably 1 part by mass or more and 10 parts by mass or less. In the above range, Hil can be polymerized without disturbing the alignment of the polymerizable liquid crystal compound. When the content of the right-color dye exceeds 50 parts by mass, the alignment of the polymerizable liquid crystal compound is disturbed, which is not preferable. The solvent 'is preferably a solvent which dissolves the components of the polymerizable liquid crystal composition, and is preferably a solvent which is inert to the polymerization reaction of the polymerizable liquid crystal composition. Examples of the solvent include alcohol refrigerants such as methanol 'ethanol, ethylene glycol, isopropyl alcohol, propanol ethyl alcohol methyl ether, ethylene glycol butyl ether, and propylene glycol monodecyl ether. Ester, ethylene glycol decyl ether acetate, butane Sa, propanol decyl ether acetate, ester solvent such as ethyl lactate, acetone, mercaptoethyl ketone, cyclopentanone, cyclohexanone, 2 Ketone ketones such as heptanone and methyl isobutyl copper, aliphatic ketone solvents such as pentyl, hexanol and gamma, aromatic hydrocarbon solvents such as toluene and xylene, nitrile solvents such as acetonitrile, tetrahydrofuran and dimethoxyl Ethylene (etc.), and chloroform's gas-containing solvent. These solvents may be used singly or in combination of two or more. The content of the solvent is preferably % by mass based on the total amount of the polymerizable liquid crystal composition. When the amount of the solvent is 98% by mass or less, the film thickness of the optical film obtained from the polymerizable liquid crystal composition does not become too thin, and an optical film having characteristics required as an optical film can be easily obtained. When the amount of the solvent is 5% by mass or more, the viscosity of the polymerizable liquid crystal composition is low, and the film thickness of the coating film tends to be uneven. The polymerizable liquid crystal composition of the present invention may further contain a polymerization initiator. Polymerization 158656.doc • 17· 201224125 The initiator is a compound which initiates polymerization of a polymerizable liquid crystal compound, which generates an active radical or an acid by the action of light and/or heat. Among them, a photopolymerization initiator which is a polymerization initiator which generates an active radical or an acid by the action of light, that is, a photopolymerization initiator is more preferably a photopolymerization initiator which generates a radical by light irradiation. The photopolymerization initiator may, for example, be a benzoin compound, a benzophenone compound, an alkylphenone compound, a mercaptophosphine oxide compound, a tri-enriched compound, an onium salt or a phosphonium salt. As the benzoin compound, benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, and benzoin isobutyl ether can be mentioned. Examples of the diphenyl hydrazine-compounds include: benzophenone, methyl ortho-benzoylbenzoate, 4-phenyldibenzophenone, 4-phenylmercapto-4·-methyldiphenyl sulfide 3,3',4,4'-tetra(t-butylperoxycarbonyl)benzophenone and 2,4,6-trimethylbenzophenone. Examples of the alkyl benzophenone compound include diethoxyacetophenone, 2-methyl-2-morpholinyl_ι-(4-mercaptothienyl)propan-1-one, and 2-benzyl-2. - dimethylamino-1-(4-morpholinylphenyl)butane-i-ketone, 2-hydroxy-2.methyl-1-phenylpropan-1-one, 1,2-diphenyl -2,2-dimethoxyoxyl-1-one, 2-hydroxy-2-methyl-l-[4-(2-hydroxyethoxy)phenyl]propan-1-one, 1-hydroxyl An oligomer of cyclohexyl phenyl ketone and 2-hydroxy-2-indolyl l-[4-(1-methylvinyl)phenyl]propanone 1-one. As the fluorenylphosphine oxide substrate, 2,4,6-trimethyl benzhydryldiphenylphosphine oxide and bis(2,4,6-trimercaptobenzylidene)phenyl oxide are exemplified. phosphine. As the three-till compound, 2,4-bis(trimethylmethyl)-6-(4-methoxy 158656.doc -18 - 201224125 phenyl)-1,3,5-three p well, 2 , 4-bis(trichloromethyl)-6-(4-methoxytaryl)-1,3,5-tri. Well, 2,4-bis(trimethylmethyl)-6-(4-methoxystyryl)-1,3,5-tri*» well, 2,4-bis(trichloromethyl)- 6-[2-(5-Methyl-Of0-nan-2-yl)vinyl]-1,3,5-three tillage, 2,4-bis(trismethyl)-6-[2-( Furan-2-yl)vinyl]-1,3,5-three tillage, 2,4-bis(trimethylsulfonyl)-6-[2-(4-diethylamino-2-mercaptophenyl) )vinyl]-1,3,5-three tillage and 2,4-bis(trismethyl)-6-[2-(3,4-didecyloxyphenyl)vinyl]-1,3 , 5·3. The photopolymerization initiator can also be used: Irgacure 907, Irgacure 184 ' Irgacure 651 ' Irgacure 819 ' Irgacure 250 ' Irgacure 369 (above 'all manufactured by Ciba. Japan), Seikuol BZ , Seikuol Z, Seikuol BEE (above, all manufactured by Seiko Chemical Co., Ltd.),

Kayacure BP100 (manufactured by Nippon Kayaku Co., Ltd.), Kayacure UVI-6992 (manufactured by Dow Co., Ltd.), Adeka Optomer SP-152 or Adeka Optomer SP-170 (all of which are manufactured by ADEKA Co., Ltd.), TAZ-A, TAZ -PP (above, all manufactured by Siber Hegner Co., Ltd.) and TAZ_1〇4 (manufactured by Sanwa Chemical Co., Ltd.) and other commercially available photopolymerization initiators. The thermal polymerization initiator may, for example, be an azo compound such as azobisisobutyronitrile or a peroxide such as hydrogen peroxide, persulfate or benzoic acid. The content of the polymerization initiator is preferably 0.1 to 30 parts by mass, more preferably 5 to 1 part by mass, even more preferably 5 to 8 parts by mass, per part by mass of the polymerizable liquid crystal compound. When it is in the above range, it can be polymerized without disturbing the alignment of the polymerizable liquid crystal compound. When a photopolymerization initiator is used as the polymerization initiator, a photosensitizer may be used in combination. Examples of the photosensitizer include: ketone, ketone, etc., ketone 158656.doc -19-201224125 (for example, 2,4·diethylthioxanthone, 2·isopropylthioxanthone, etc.), hydrazine An anthracene compound such as a fluorene-containing oxime (for example, dibutyloxyanthracene), phenothiazine, and erythrinene can improve the polymerization sensitivity of the polymerizable liquid crystal compound by using a photosensitizer. The amount of the photosensitizer to be used is preferably 0.1 to 30 parts by mass, more preferably 0 5 to 10 parts by mass, still more preferably 0.5 to 8 parts by mass, per part by mass of the polymerizable liquid crystal compound. The polymerizable liquid crystal composition of the present invention may further contain a polymerization inhibitor. When the polymerizable liquid crystal composition of the present invention contains a polymerization inhibitor, polymerization of the polymerizable liquid crystal compound can be easily suppressed, and the stability of the polymerizable liquid crystal composition of the present invention can be improved. Examples of the polymerization inhibitor include hydroquinone, alkoxybenzene-containing hydroquinone, alkoxy-containing catechol (for example, butyl catechol, etc.), ortho-benzotriene, and 2, A radical scavenger such as 2,6,6-tetradecyl·1_piperidinyloxy radical, thiophenol, β-naphthylamine and β-naphthol. The content of the polymerization inhibitor is preferably 0.1 to 30 parts by mass, more preferably 0.5 to 1 part by mass, even more preferably 0.5 to 8 parts by mass, per 1 part by mass of the polymerizable liquid crystal compound. When it is in the above range, it can be polymerized without disturbing the alignment of the polymerizable liquid crystal compound. The optical film of the present invention is obtained by polymerizing a polymerizable liquid crystal compound contained in the polymerizable liquid crystal composition of the present invention. The optical film of the present invention can be produced by a method comprising the following steps (1), (2) and (3). Step (1): applying the polymerizable liquid crystal composition of the present invention to a substrate to obtain lS8656.doc -20-

201224125 Step of coating film (2): Step (3) of forming a liquid crystal phase in the coating film obtained in the step (1): a film having a liquid crystal phase formed by the step (2) The step of obtaining a polymer film by polymerizing a polymerizable liquid crystal compound contained in the film as a method of coating the substrate is exemplified by an extrusion coating method, a direct gravure coating method, a reverse gravure coating method, a CAP coating method, Mold coating method, $.* /3⁄4 coating method, bar coating method and spin coating method. Examples of the substrate include glass, a plastic sheet, a plastic film, and a light-transmitting film. Examples of the light transmissive film include polyolefin films such as polyethylene, polypropylene, and norbornene thin polymer, polyvinyl alcohol film, polyethylene terephthalate film, polymethacrylate film, and polyacrylic acid. An ester film, a cellulose ester film, a polyethylene dicarboxylate film, a polycarbonate film, a polyfluorene film, a polyether sulfone film, a polyether ketone film, a polyphenylene sulfide film, and a polyphenylene ether film. By using the substrate, it is possible to easily operate without causing damage or the like when manufacturing, transporting, or storing the optical film. In the method for producing an optical film of the present invention, it is preferred that an alignment film is formed on the substrate. In this case, the polymerizable liquid crystal composition of the present invention is coated on the alignment film. The alignment film preferably has solvent resistance which is not dissolved by coating or the like of the polymerizable liquid crystal composition of the present invention. Further, it is preferable to have the heat-preserving property in the heat treatment for removing the solvent or the alignment of the liquid crystal. Further, it is preferable that the alignment film which does not cause peeling or the like due to friction or the like. The alignment film preferably contains an alignment polymer or a composition containing an alignment polymer. As the above-mentioned alignment polymer, .J J enumerates. 1.58656.doc •21-201224125 polyamine or gelatin having a guanidine bond in the molecule, and hydrolysis thereof as a ruthenium imine bond in the molecule Polylysine, polyvinyl alcohol, alkyl modified polyvinyl alcohol, polyacrylamide, polycarbazole, polyethyleneimine, polystyrene, polyvinylpyrrolidone, polyacrylic acid, poly Polymers such as acrylates. Among them, polyvinyl alcohol is preferred. These polymers may be used singly or in combination of two or more kinds or two or more kinds thereof. These polymers can be easily obtained by polycondensation using dehydration or deamination, or chain polymerization such as radical polymerization, anionic polymerization or cationic polymerization, coordination polymerization or ring-opening polymerization. The alignment polymer can be coated by dissolving in a solvent. Examples of the solvent include water; alcohol solvents such as methanol, ethanol, ethylene glycol, isopropanol, propylene glycol, methyl cellosolve, butyl cellosolve, and propylene glycol monomethyl ether; and ethyl acetate, SiL, and Ethyl alcohol ketone is called acetate vinegar, γ_ butyl ke, propylene glycol methyl ether acetate, ethyl lactate and other ester solvents; acetone, methyl ethyl ketone, % pentanone, cyclohexanone, methyl amyl ketone a ketone solvent such as methyl isobutyl ketone; an aliphatic hydrocarbon solvent such as pentane, hexane or heptane; an aromatic hydrocarbon solvent such as toluene or xylene; a nitrile solvent such as acetonitrile; and (iv) hydrogen furan and dimethoxy group Each of the ethers such as an alkane, and a hydrocarbon solvent such as a gas-like or gas-benzene-substituted gas. These organic solvents may be used singly or in combination of two or more. Further, in order to form an alignment film, a commercially available alignment film material can be used as it is. The commercially available alignment film material may, for example, be Sunever (registered trademark, manufactured by Nissan Chemical Industries Co., Ltd.) or 〇pt〇mer (registered trademark, manufactured by the company). When such an alignment film is used, unevenness can be reduced, and thus an optical film having further improved environmental resistance or mechanical resistance can be provided. 158656.doc • 22- 201224125 As a method of forming an alignment film on the above support substrate, for example, a solution of the above-mentioned alignment polymer or a commercially available alignment film material may be applied onto the above-mentioned support substrate, followed by annealing. Thereby, the alignment film is formed on the support substrate. The thickness of the alignment film obtained in this manner is, for example, from 1 nm to 10000 nm', preferably from 1 nm to 10 nm. In order to impart an alignment regulating force to the above alignment film, it is preferred to perform rubbing or polarized UV irradiation as needed. The polymerizable liquid crystal compound can be aligned to a desired direction by imparting an alignment regulating force. As a method of rubbing the alignment film, for example, a method in which a rubbing roll wound with a rubbing cloth is rotated and brought into contact with an alignment film placed on a stage to be conveyed can be mentioned. When performing rubbing or polarized UV irradiation, if masking is performed, a plurality of regions (patterns) having different directions of the (4) phase axes may be formed on the obtained polarizing element. In the coating film obtained by coating the polymerizable liquid crystal composition on the substrate, it is preferable to dry the volatile component such as a solvent contained in the coating film in terms of film formability. Examples of the drying method include a natural drying method, a ventilation drying method, and a reduced pressure drying method. The drying temperature is preferably 0 to 250. (:, more preferably 50 to 220 C. As the drying time, it is preferably 1 second to 6 minutes, more preferably 30 seconds to 30 minutes. To be coated by the above film &amp; And forming a liquid crystal phase by the components of the polymerizable liquid crystal composition of the third embodiment, and heating the coating system cavity by the polymerizable liquid crystal compound contained in the _ 忡瞑

To the temperature of the liquid crystal phase, ie jp. Outside, six gI p § hai liquid phase is preferably a smectic phase. Further, it is more preferable to heat the polycyclic liquid crystal compound contained in the coating film to a temperature higher than the temperature of the nematic phase, and then to cool the polymerizable liquid crystal compound to 158656.doc. 23·201224125 The temperature of the phase of the layer is obtained, whereby the film β having the smectic phase is formed, and when the polymerizable liquid crystal composition contains two or more kinds of polymerizable &amp; crystalline compounds, The content of the liquid crystal phase is determined by measuring the mixture of the polymerizable liquid crystal compound, and the temperature of the liquid crystal phase is determined by the composition of the superposed liquid crystal composition. By the nematic agent, the leveling agent contained in the polymerizable liquid crystal composition becomes easy to flow, and the film of the horizontal alignment can be easily obtained. The heating temperature is preferably not less than the zeolitic phase transition point and not more than 1 degree higher than the nematic phase transition point, more preferably more than the nematic phase transition point and 5 degrees higher than the nematic phase transition point. Below the temperature. Heating for the alignment of the liquid crystals and drying as described above may also be carried out simultaneously. Next, an optical film can be obtained by polymerizing a polymerizable liquid crystal compound contained in a film forming a liquid crystal phase. By carrying out polymerization, a film having a durable light is obtained. The method of polymerizing it may be selected according to the type of the polymerizable group which the polymerizable liquid crystal compound has. When the polymerizable group is a photopolymerizable group, it can be polymerized by a photopolymerization method, and if it is a thermally polymerizable group, it can be polymerized by a thermal polymerization method, and is preferably used in the method for producing an optical film of the present invention. For photopolymerization. In the case of the photopolymerization method, it is not necessary to heat to a high temperature. Therefore, a substrate having a low heat resistance can be used. The % polymerization method is carried out by irradiating a film having a liquid crystal phase with visible light, ultraviolet light or laser light. In terms of ease of handling, ultraviolet light is preferred. The light irradiation is performed in a state where the film is formed into a liquid crystal phase. Alternatively, light irradiation may be performed at a degree of display liquid crystal phase as described above. At this time, the optical film may be patterned by masking or developing 158656.doc -24 - 201224125. After the polymerizable liquid crystal compound contained in the film is polymerized, the optical film formed on the substrate is peeled off. Further, the step of stripping the substrate may further include the step of peeling off the alignment film. Thereby, a single layer of the optical film of the present invention can be obtained. The film thickness of the optical film of the present invention is preferably 〇3 to 2 〇μηη, more preferably 0.5 to 1 〇, more preferably 〇ς c μπι is more preferably 〇.5~5 μϊη. When the film thickness is within the above range, an optical film which is horizontally aligned in the smectic phase can be easily obtained. When the optical film of the present invention contains a dichroic dye, it is useful as a polarizing film excellent in dichroic ratio. Further, in the case where the dichroic dye is not contained, it is useful as a retardation film excellent in contrast. The display device of the present invention contains the optical film of the present invention. The term "display device" refers to a device having a display element that contains a light-emitting element or a light-emitting device as a light-emitting source. Examples of the display device include a liquid crystal display device, an organic electroluminescence (EL) display device, an inorganic electroluminescence (EL) display device, and an electron emission display device (for example, a field emission display device (FED 'Field Emission Display) ), surface electric field emission display device (SED), electronic paper (display device using electronic ink or electrophoretic element, plasma display device, projection display device (eg, grating light valve (GLV, Grating Light)

A display device, a display device having a digital micro-mirror device (DMD), and a piezoelectric ceramic display. Examples of the liquid crystal display device include a transmissive liquid crystal display device, a transflective liquid crystal display device, a reflective liquid crystal display device, a direct-view liquid crystal display device, and a projection type liquid crystal display device. The display device may be a display device for displaying two-dimensional 158656.doc •25·201224125 images, or a stereoscopic display device for displaying three-dimensional images. Fig. 1 is a schematic view showing a liquid crystal display device 10 which is one of the display devices of the present invention. The liquid crystal layer 17 is sandwiched between the two substrates 14a and 14b. A color filter 15 is disposed on the liquid crystal layer π side of the substrate 14a. The color filter 15 sandwiches the liquid crystal layer 17 and is disposed at a position opposed to the pixel electrode 22, and the black matrix 20 is disposed at a position facing the boundary between the pixel electrodes. The transparent electrode 16 covers these. A protective layer may also be provided between the color filter 15 and the transparent electrode 16. The thin film transistor 21 and the pixel electrode 22 are disposed regularly on the liquid crystal layer π side of the substrate 14b. The pixel electrode 22 sandwiches the liquid crystal layer 17 and is disposed at a position facing the color filter 15. An interlayer insulating film 18 having a connection hole (not shown) is disposed between the thin film transistor 21 and the pixel electrode 22. Examples of the substrate 14a and the substrate 14b include a glass substrate and a plastic substrate. When the color filter 15 or the thin film transistor 21 formed on the substrate is manufactured, when the substrate is heated to a high temperature, the substrate 14a and the substrate 1 are preferably glass substrates. Examples of the thin film transistor 21' include a high-temperature polycrystalline silicon crystal formed on a quartz substrate, a low-temperature polycrystalline silicon crystal formed on a glass substrate, and an amorphous germanium transistor formed on a glass substrate or a plastic substrate. In order to reduce the size of the liquid crystal display device, a driver IC (integrated circuit) may be formed on the substrate 14b. A liquid crystal layer 17 is disposed between the transparent electrode 16 and the pixel electrode 22. In order to keep the distance between the substrate 14a and the substrate 14b fixed, a spacer 23 is formed in the liquid crystal layer 17. Can also be formed on the substrate! On the surface of the layer 158656.doc -26-201224125 on the substrate 14b which is in contact with the liquid crystal layer 17, an alignment film for aligning the liquid crystal compound contained in the liquid crystal layer 17 to a desired direction is disposed. Each member is laminated in the order of the substrate 14a, the color filter 15, the black matrix 20, the transparent electrode 16, the liquid crystal layer 17, the pixel electrode 22, the interlayer insulating film 18, the thin film transistor 21, and the substrate. Various optical films such as a polarizing film (for example, a linear polarizing element) or a retardation film (for example, a quarter-wave plate or an optical compensation film) are laminated on the outer side of the substrate 14a and the substrate 14b sandwiching the liquid crystal layer 17. In Fig. 1, a retardation film 13a and a polarizing film 12a are sequentially laminated on the outer side of the substrate 14a, and a retardation film 13b and a polarizing film 12b are sequentially laminated on the outer side of the substrate i4b. At least one selected from the group consisting of the polarizing film 12a, the polarizing film 12b, the retardation film na, and the retardation film 13b is the optical film of the present invention. By arranging the optical film 'of the present invention', it is possible to impart a function of converting incident light into linearly polarized or circularly polarized light or optically compensating for a phase shift caused by liquid crystal. Further, the retardation films 133 and 13b may not be disposed depending on the configuration of the liquid crystal display device or the type of the liquid crystal compound contained in the liquid crystal layer 丨7. The anti-reflection film 11β for preventing reflection of external light is disposed on the outer side of the polarizing film i2a to reduce the thickness of the display device according to the optical medium of the present invention. As the at least one selected from the group consisting of the polarizing films 12a and 12b and the retardation films 13a and 13b, the optical film, the alignment film, and the substrate used in the production of the optical film may be laminated. A layered body. A backlight unit 作为9 as a light source is disposed on the outer side of the polarizing film 12b. The backlight unit 19 includes a light source, a light guide, a reflector, a diffusion sheet, and a viewing angle adjustment. 158656.doc • 27· 201224125 The entire film. As the light source, various light sources such as electroluminescence (el), cold cathode tube, hot cathode tube, LED (Light-Emitting Diode), laser light source, and mercury lamp can be used. The optical film of the present invention may be selected in combination with the characteristics of the light source. When the liquid crystal display device 10 is a transmissive liquid crystal display device, white light emitted from a light source in the backlight unit 19 is incident on the light guide body, and the optical path is changed by the reflector to be diffused by the diffusion sheet. The diffused light is incident from the backlight unit 19 to the polarizing film 12b by adjusting the viewing angle adjustment sheet so as to have desired directivity. In the incident light of the non-polarized light, only a certain linearly polarized light is transmitted through the polarizing film 12b of the liquid crystal panel. The linear polarized light is converted into circularly polarized light by the retardation film i3b, and sequentially passes through the substrate 14b, the pixel electrode 22, and the like to reach the liquid crystal layer 17. The alignment state of the liquid crystal compound contained in the liquid crystal layer 17 changes depending on the presence or absence of the potential difference between the pixel electrode 22 and the opposite transparent electrode 16, and the brightness of the light emitted from the liquid crystal display device 1 is suppressed. In the case where the liquid crystal layer 丨7 is in an alignment state in which the circularly polarized light converted by the retardation film 13b is directly transmitted, if the circularly polarized light transmits the liquid crystal layer 17 and the transparent electrode 16, the light of a specific wavelength range is transmitted through the color filter. The sheet 15 reaches the retardation film i3a' and further transmits the polarizing film! 2a and the anti-reflection film 丨丨, the pixel displays the color determined by the color filter most brightly. On the other hand, when the liquid crystal layer 17 is in an alignment state in which the circularly polarized light converted by the retardation film 13b is converted and transmitted, the light transmitted through the liquid crystal layer 丨7, the transparent electrode 丨6, and the color filter i5 is almost completely When the retardation film 13a and the polarizing element 12a are absorbed, the pixel displays black. If the liquid crystal layer 17 is in the middle of the two states 158656.doc -28-201224125, the liquid crystal display device 丨0 emits the middle of the two, so that the brightness of the light in the middle of the pixel is also the upper color. In the case where the liquid crystal display panel 10 is a semi-transmissive liquid crystal display device, the pixel electrode 22 has a transmissive portion formed of a transparent material and a reflecting portion formed of a material that reflects light, in the transmissive portion, and the above-described transmissive portion. The type of liquid crystal display device displays images in the same manner. Further, in the reflection portion, external light is incident on the liquid crystal display device from the direction of the anti-reflection film U, and the circularly polarized light of the transmission polarization film 12&amp; and the retardation film 13a passes through the liquid crystal layer 17, and (4) the pixel electrode 22 is used for reflection. For display. 2 is a schematic view showing a liquid crystal display device 24 in which an optical film of the present invention is disposed inside a substrate (on the liquid crystal 17 side) as one of display devices of the present invention. In the liquid crystal display device 24, each component is resistant. Reflection, substrate 14a, polarizing film 12a, retardation film Ua, color filter 15 and black matrix 20, transparent electrode 16, liquid crystal layer 17, pixel electrode 22, interlayer insulating film 18, thin film transistor 21, retardation film 13b The polarizing film 12b, the substrate 14b, and the backlight unit 19 are laminated in this order. At least one of the group consisting of the free polarizing film 12a, the polarizing film 12b, the retardation film na, and the retardation film 13b is an optical film of the present invention. A laminate obtained by laminating the optical film, the alignment film, and the substrate used in the production of the optical film of the present invention can also be used. By arranging the optical film of the present invention, the liquid crystal display device 24 can be provided with a function of making the incident light linearly polarized or circularly polarized or optically compensating for the phase shift caused by the liquid crystal. Further, the retardation films 13a and 13b may not be disposed depending on the structure of the liquid crystal display device or the type of the liquid crystal compound contained in the liquid crystal layer 17. 158656.doc 29· 201224125 Fig. 3 is a schematic view showing an apparatus as one of display devices of the present invention. The EL display device 30 is formed by laminating an organic functional layer 36 and a cathode electrode 37 as light-emitting sources on a substrate 33 on which the pixel electrodes 35 are formed. The retardation film 3 2 and the polarizing film 31 are disposed on the side opposite to the organic functional layer 36 while sandwiching the substrate 33. At least one selected from the group consisting of the retardation film 32 and the polarizing film 31 is the optical film of the present invention. A positive voltage is applied to the pixel electrode 35, a negative voltage is applied to the cathode electrode 37, and a direct current is applied between the pixel electrode 35 and the cathode electrode 37, whereby the organic functional layer emits light. The organic functional layer 36 as a light-emitting source includes an electron transport layer, a light-emitting layer, a hole transport layer, and the like. The light emitted from the organic functional layer 36 passes through the pixel electrode 35, the interlayer insulating film 34, the substrate 33, the retardation film 32, and the polarized light. An inorganic EL display device having an inorganic functional layer instead of the organic functional layer 36 is also one of the display devices of the present invention. In order to manufacture the EL display device 30, the thin film transistor 40 is first formed on the substrate 33 in a desired shape. Further, an interlayer insulating film is formed, and then the pixel electrode 35 is formed by a metallurgical method to perform patterning. Then, the laminated organic functional layer 3 6 » can be exemplified by a sapphire glass substrate, a quartz glass substrate, a nano glass substrate, a Tauman substrate such as Oxide, a metal substrate such as copper, or a plastic substrate. A thermally conductive film can also be formed on the substrate. As the thermal conductive film, a diamond thin film (DLC (Diamond_Uke Carb〇n, diamond-like carbon) or the like) can be cited. When the pixel electrode 35 is of a reflective type, light is emitted in a direction opposite to the substrate 33. Therefore, it is possible to use not only a transparent material but also a non-transmissive material such as stainless steel. The substrate may be formed of a single material, and may also be a laminated substrate obtained by laminating a plurality of substrates with an adhesive, in addition to 158656.doc 30·201224125. The substrates may be in the form of a plate or a film. As the thin film transistor 4, a usual polycrystalline crystal can be used. The thin film transistor 40 is disposed at the end of the pixel electrode 35 and has a size of about 1 〇 to 3 〇 μιη. Furthermore, the area of the pixel electrode 35 is about 2 〇 μηηχ2〇 μιη~3〇〇 μιηχ300 μηι. A wiring electrode of a thin film transistor 4 is provided on the substrate 33. The wiring electrode has a low electric resistance and has a function of electrically connecting to the pixel electrode 35 to suppress the resistance value to a low level. Generally, the wiring electrode is used to contain the inclusion A1 and the transition metal (excluding Ti), titanium or Any one or two or more of titanium nitride (TiN). An interlayer insulating film 34 is provided between the thin film transistor 40 and the pixel electrode 35. The interlayer insulating film 34 is formed of an inorganic material such as yttrium oxide or tantalum nitride such as ruthenium 2 by sputtering or vacuum deposition, and is formed of s〇G (spin-coated glass, SPin-on-glass). Any one of the coating film of a resin material such as a ruthenium oxide layer, a photoresist, a polyimide, or an acrylic resin may have any insulating property. A barrier wall 41 is formed on the interlayer insulating film 34. The barrier 41 is disposed on the peripheral portion of the pixel electrode 35 (between adjacent pixels). Examples of the material of the barrier ribs include an acrylic resin, a polyimide resin, etc. The thickness of the barrier rib 4 较佳 is preferably 1.0 μη! or more and 3.5 μΐΏ or less, more preferably 15 μm or more and 2.5 μηη or less. Next, the pixel electrode 35 as a transparent electrode, the organic functional layer 36 as a light source, and the cathode electrode 37iEL element will be described. Organic 158656.doc -31- 201224125 The functional layer 36 has at least one layer of hole transmission. The layer and the light-emitting layer have, for example, an electron injecting and transporting layer, a light emitting layer, a hole transporting layer, and a hole injecting layer. Examples of the pixel electrode 35 include ITO (tin-doped indium oxide) and IZ〇 (zinc-doped indium oxide). IGZO, ZnO, Sn02, and 203203 are particularly preferably ITO and IZO. The thickness of the pixel electrode 35 can be set to about 10 to 500 nm as long as it has a thickness sufficient to sufficiently fill the hole. The pixel electrode 35 can be formed by a vapor deposition method, and is preferably formed by a sputtering method. The sputtering gas is not particularly limited, and an inert gas such as Ar, He, Ne'Kr or Xe or the like is used. Mixed Gas can. As the material constituting the cathode electrode 37 of, for example, is preferably used K, u,

Na, Mg, La, Ce, Ca, Sr, Ba, A1, Ag, In, Sn, Zn,

In order to improve the stability, an alloy system containing these two kinds of knives and three kinds of components is used for the purpose of improving the stability of the metal such as Zr. As the alloy system, for example, Ag Mg (Ag. 1 to 2 原子 atom%), A1. Li (Li: 〇 3 to 14 atoms//),

The β cathode electrode 37 is formed by a vapor deposition method, a sputtering method, or the like, such as In Mg (Mg ′ 50 to 80 atom%) or Al.Ca (Ca: 5 to 20 atoms/0). The thickness of the cathode electrode 37 is preferably 0.1 nm or more, preferably nm to 5 〇〇 nm. The hole injection layer has a function of facilitating hole injection from the pixel electrode 35, and the hole transport layer has a function of transmitting a hole and a function of blocking electrons, which is also called a charge injection layer and a charge transport layer. The thickness of the light-emitting layer, the total thickness of the hole injection layer and the hole transport layer, and the thickness of the electron injection transport layer are not particularly limited, and are preferably set to 5 nm to 1 根据 depending on the method of formation. 〇nm. Hole injection layer, 158656.doc •32· 201224125 The hole transport layer allows the use of a variety of organic compounds. For the formation of the hole injection transport layer, the light-emitting layer and the electron injecting transport layer, it is preferred to use a vacuum evaporation method because a homogeneous film can be formed. The organic functional layer 36 as a light-emitting source can be used by those who emit light (fluorescence) derived from singlet excitons, those that emit light from phosphorous (phosphorescence) derived from triplet excitons, and those that utilize singlet excitons. An illuminating (fluorescent) person, an organic functional layer using a luminescence (phosphorescence) derived from a triplet exciton, a person formed by an organic substance, a person formed of an inorganic substance, a person formed by an organic substance, and an inorganic substance. Organic functional layer, polymer material, low molecular material, material containing molecular molecules and low molecular materials. However, it is not limited thereto, and a £1 display device using various organic functional layers can be used as the EL element. The desiccant is disposed in the space between the cathode electrode 37 and the sealing cover 39. The reason is that the organic functional layer 36 is not resistant to humidity. The desiccant 38 absorbs moisture to prevent deterioration of the organic functional layer 36. The EL display device 30 is formed. The polarizing film 31 on the light incident surface or the light exit surface is not limited to the polarizing film converted into linear polarized light, and may be a polarizing film converted into elliptically polarized light. The polarizing film 31 may be only the optical film of the present invention, or may be A polarizing film or a retardation film other than the optical film of the present invention is used in combination with Fig. 4. Fig. 4 is a schematic view showing a display device 44 which is one of the display devices of the present invention. The EL display device 44 has a film seal using # The sealing structure of the film core can also obtain light emitted from the opposite surface of the array substrate. As the film sealing film 42, it is preferable to use a DLC film on which a vapor deposition DLC (Diamond-like carbon) is deposited on a film of an electrolytic capacitor. The membrane system has extremely poor water permeability and high moisture resistance. X ' can also be directly vaporized from the DLC film to the surface of the cathode electrode 158656.doc -33· 201224125. Further, a multilayer resin film can be laminated. Metal film The film sealing film 42 is formed. At least one of the group consisting of the polarizing film 31 and the retardation film 32 is an optical film of the present invention. Fig. 5 is a view showing a projection type liquid crystal display device which is one of the display devices of the present invention. The polarizing film 142 of the present invention and the polarizing film 143 of the present invention can be used, for example, in a projection type liquid crystal display device (projector). A light beam emitted from a light source (for example, a high pressure mercury lamp) 111 as a light source first passes through the first lens array. 112. The second lens array 113, the polarization conversion element 114, and the superimposing lens 115 are used to uniformize and polarize the luminance on the beam cross section. Specifically, the beam emitted from the light source 111 is a small lens 112a. The first lens array 112 formed in a matrix is divided into a plurality of minute light beams. The second lens array 113 and the superimposing lens 115 illuminate the three liquid crystal panels 140R, 140G, and 140B to be illuminated, respectively, by the divided light beams. In a holistic manner, the illumination of the entire surface of the incident side surface of each liquid crystal panel is almost uniform. The polarization conversion element 114 includes a polarization beam splitter. The column is disposed between the second lens array 113 and the superimposing lens 115. This preliminarily converts the random polarized light from the light source into a polarized light having a specific polarization direction, thereby reducing the amount of light loss in the incident side polarizing element described below. The effect of increasing the brightness of the kneading surface. The light which is uniformized and polarized by the brightness is separated into red by the mirror 122 by the dichroic mirrors 121, 123, 132 for separating into the three primary colors of RGB. 158656.doc .14 - Λ 201224125 color channel ("R" in Figure 5, solid arrow), green channel ("G" in Figure 5, dotted arrow), blue channel ("B" in Figure 5] "dashed arrow" They are incident on the liquid crystal panels 140R, 140G, and 140B, respectively. In the liquid crystal panels 140R, 140G, and 140B, the polarizing element film 142 of the present invention is disposed on the incident side thereof, and the polarizing element film 143 of the present invention is disposed on the exit side. The polarizing film 142 and the polarizing film 143 disposed in the respective optical paths of RGB are arranged such that their absorption axes are orthogonal to each other. Each of the liquid crystal panels 140R, 140G, and 140B disposed in each of the optical paths has a function of converting the polarization state controlled by each pixel into a light amount by the image signal. The optical film of the present invention is used as an optical film excellent in durability in any of the blue channel, the green channel, and the red channel by selecting the type of the dichroic dye suitable for the corresponding channel. According to the respective image data of the liquid crystal panels 140R, 140G, and 14B, the optical image produced by transmitting the human light with different transmittances per pixel is synthesized by the combined light 稜鏡 15G, and the feeding mirror (7) is enlarged. On the projection screen 180. The optical film of the present invention can also be used as an electronic paper optical film. ::Electronic paper, which can be displayed by alignment of optically anisotropic material molecules such as liquid crystal; display by means of particle motion such as electrophoresis, particle movement, rotation, phase change, etc. ;_ &amp; eight &quot;, one of the end shifters, by the light absorption of the molecule, the display is not self-illuminating (4) ^ a by the electron and the hole is not obvious. As a specific display mode, 158656.doc -35- 201224125 List: microcapsule electrophoresis mode, dynamic electrophoresis mode, spherical twist-t-electrophoresis mode, vertical shift 4 round buckle... mode, magnetic torsional nematic ball Square;,=t mode, charged toner method, electronic powder fluid method, magnetic sensation method, electro-moisture method, light scattering (transparent/white turbidity change), cholesteric light scattering (transparent moon/liquid crystal mode, double Shirt (4); ^ type, cholesterol type... main, crystal mode, ferroelectric liquid crystal mode, dichroic dye-liquid crystal dispersion method, film method, page using colorless dye = color mode, photochromic mode, electronic coloration The method, the electrodeposition method, the flexibility, the hunger method, etc. The electronic paper can be used not only for individuals to use text or images, but also for advertisement display (kanban), etc. The optical film according to the present invention can change the thickness of the electronic paper. As a stereoscopic display device, for example, a method of alternately arranging different retardation films as in a coffee (micro-polarizing film) method has been proposed (Japanese Patent Laid-Open Publication No. 2 〇〇 2-185983). When the film is used as a polarizing film, patterning by printing, inkjet, photolithography, or the like is relatively easy, and the manufacturing process of the display device can be shortened, and a retardation film is not required. In the embodiment, the embodiment is described in more detail. The present invention is not limited to the examples, and the "%" and "parts" in the examples are respectively % by mass and parts by mass unless otherwise specified. In the examples, the following polymerization properties were used. Liquid crystal compound. Compound (1-6) (compound represented by the following formula (1-6)) Compound (1-6)

Synthesized by the method described in Bas' 115' 321-328 (1996). 158656.doc • 36 · 201224125

CiiH^rO [Measurement of phase transition temperature] The phase transition temperature was confirmed by heating a compound on a glass substrate on which an alignment film was formed, by observation using a polarizing microscope (BX-51, manufactured by Olympus). . The compound represented by the formula (1-6) exhibits a smectic phase A phase at a temperature of 95 ° C at a temperature of 95 ° C, and a phase transition to a nematic phase at 113 C to an isotropic property at 113 C. The liquid phase "and confirms that at the time of cooling, at 112. (: The lower phase is transferred to the nematic phase, and the phase is transferred to the smectic A phase at 10 ° C, and the phase is transferred to the smectic phase b phase at 94 ° C. Compound (1-7) (the following formula ( 1-7) The compound (1-7) is based on .1^1^6131., 6〇1.!^乂.0!11丨111.?&amp;3^-Bas,115, Synthesized by the method described in 321-328 (1996).

[Measurement of Phase Transition Temperature] The phase transition temperature was confirmed by observation using a texture of a polarizing microscope. The compound of the formula (1-7) was transferred to a nematic phase at 12 rc at a temperature of 8 rc at a temperature of 8 rc, and the phase was transferred to an isotropic liquid phase at i37 °C. And confirm that when cooling, at 13 3 . (The lower phase is transferred to the nematic phase, and the phase is transferred to the smectic A phase at 118 ° C, and the phase is transferred to the smectic phase B phase at 78 ° C. Example 1 I58656.doc -37· 201224125 [Polymerization Preparation of liquid crystal composition] A polymerizable liquid crystal composition was obtained by mixing the following components and mixing the resulting mixture at 80 ° C for 1 hour. Polymerizable liquid crystal compound: Compound (1-6) 100 parts Dichroic dye: azo dye (NKX2029, manufactured by Hayashibara Biochemical Research Institute) 2 parts polymerization initiator: 2-diaminoamino-2-pyryl-1 -(4-morphinylphenyl)butane 1-ketone (Irgacure 369, manufactured by BASF Japan) 6 parts of polymerization starting aid: isopropyl thioxanthone (manufactured by Siber Hegner, Japan) 2 parts of leveling agent: polyacrylate compound (BYK-361N, BYK) -Chemie company's 1.2 parts solvent: 250 parts of cyclopentanone [production of optical film] Polyvinyl alcohol (polyvinyl alcohol 1000 completely saponified type) is coated on a glass substrate by spin coating method, and the company is limited. A 2% by mass aqueous solution manufactured by the company, after drying, forms an alignment film having a thickness of 89 nm. The surface of the obtained alignment film is subjected to a rubbing treatment. The friction treatment is performed by using a semi-automatic friction device (trade name: LQ-008 type, manufactured by Changyang Engineering Co., Ltd.), and the cloth is used (trade name: YA-20-RW, Yoshikawa Chemical Co., Ltd.) Co., Ltd.), under the conditions of 0.15 mm, 500 rpm, and 16.7 mm/s. The polymerizable liquid crystal composition is coated on the alignment film after rubbing by spin coating at 12 (TC). After heating and drying on a hot plate for 3 minutes, it is rapidly cooled to 158656.doc. 38 - 201224125 70 ° C (the temperature of the smectic phase is displayed when the temperature is lowered), and the film after drying is obtained. By using a UV irradiation device (SP0T clJRE) SP_7, manufactured by Ushio Electric Co., Ltd.), irradiated with ultraviolet light of an exposure amount of 24 μm/cm 2 (365 run basis) after drying, to obtain an optical film produced on a glass substrate. [Measurement of two-color ratio] A device equipped with a folder with a polarizing element was mounted on an ultraviolet-visible spectrophotometer UV_3丨5〇 manufactured by Shimadzu Corporation, and the absorption direction of the transmission axis at the maximum absorption wavelength was measured by the double beam method. Degree (Al) and absorbance in the absorption axis direction (A2). The folder is provided with a screen for reducing the amount of light by 50% on the reference side. The absorbance (Al) in the direction of the transmission axis measured and the absorbance in the direction of the absorption axis ( The value of A2) is calculated as a ratio (a2/a1), and is a dichroic ratio. The results are shown in Table 2»The higher the dichroic ratio is, the more useful it is as a polarizing film. [Measurement of film thickness] For the obtained optical film, The film thickness was measured using a laser microscope (LEXT3®, manufactured by Olympus Co., Ltd.). The results are shown in Table 2. [Measurement of haze] The haze value of the obtained optical film was measured using a haze meter (HZ-2, manufactured by Suga Tester Co., Ltd.). The results are shown in Table 2. [Observation of Liquid Crystal Phase] The liquid crystal phase displayed on the obtained optical film was observed using a polarizing microscope (ΒΧ·51, manufactured by Olympus Co., Ltd.). The observation is performed by arranging the retardation axes of the obtained optical films with respect to the transmission axis of the polarizing element between the two polarizing elements of the transmission axis in a direction of 158656.doc • 39 - 201224125 45°. As a result of the observation, it is seen that the person who forms the horizontal alignment single domain is set to 〇, and the person who does not form the horizontal alignment single domain is set to x. The results are shown in Table 2. [Observation of unevenness] The obtained optical film was placed so as to be orthogonal to the iodine-PVA polarizing plate (SRW842A, manufactured by Sumitomo Chemical Co., Ltd.), and visually observed on a direct type backlight device. When the unevenness of the phase separation was not observed, it was set to 〇, and the unevenness of the phase separation was observed to be X. The results are shown in Table 2. Examples 2 to 15 and Reference Examples 1 and 2 Polymerizable liquid crystal compounds and a leveling agent shown in Table 1 were used in the same manner as in Example 1 to obtain a polymerizable liquid crystal composition. [Table 1] Polymerizable liquid crystal compound leveling agent (part) Example 1 Compound (1-6) BYK-361N (1.2) Example 2 Compound (1-6) BYK-361N (0.6) Example 3 Compound (1) -6) BYK-361N (1) Example 4 Compound (1-6) BYK-361N (1.5) Example 5 Compound (1-6) BYK-361N (2) Example 6 Compound (1-6) BYK- 361N (2.5) Example 7 Compound (1-6) BYK-361N (3) Example 8 Compound (1-6) BYK-352 (1.2) Example 9 Compound (1-6) BYK-354 (1.3) 158656 .doc -40. 201224125 Example 10 Compound (1-6) BYK-381 (1.3) Example 11 Compound (1-6) BYK-392 (1.1) Example 12 Compound (1-6) F471 (ll) Example 13 Compound (1-6) F477 (11) Example 14 Compound (1-7) BYK-361N (1.2) Example 15 Compound (1-7) F471 (2) Reference Example 1 Compound (1-6) BYK -361N (0.2) Reference Example 2 Compound (1-6) BYK-361N (5.2) The leveling agent shown in Table 1 used the following. Polyacrylate compound (BYK-361N, manufactured by BYK-Chemie Co., Ltd.) Polyacrylate compound (BYK-3 52, manufactured by BYK-Chemie Co., Ltd.) Polyacrylate compound (BYK-354, manufactured by BYK-Chemie) Polyacrylate compound (BYK-381, manufactured by BYK-Chemie) Polyacrylate compound (BYK-392, manufactured by BYK-Chemie) Fluorine-containing oligomer (Megafac F471, manufactured by DIC) Fluorine-containing oligomer (Megafac F477, DIC (manufactured by DIC) The polymerizable liquid crystal compositions of Examples 2 to 15 and Reference Examples 1 and 2 obtained above were evaluated in the same manner as in Example 1. The results are shown in Table 2. 158656.doc -41 - 201224125 [Table 2] Dichromatic ratio Maximum absorption wavelength (μτη) Haze liquid crystal phase uneven film thickness (μτη) Example 1 34 520 1.5% 〇〇1.8 Example 2 23 520 1.8% 〇〇 1.8 Example 3 26 520 1.5% 〇〇 1.8 Example 4 31 520 1.1% 〇〇 1.8 Example 5 29 520 0.9% 〇〇 1.8 Example 6 29 520 0.9% 〇〇 1.8 Example 7 33 520 0.7% 〇〇 1.8 Example 8 35 520 0.4% 〇〇 1.8 Example 9 33 520 0.8% 〇〇 1.8 Example 10 29 520 1.2% 〇〇 1.8 Example 11 33 520 0.6% 〇〇 1.8 Example 12 32 520 0.7% 〇〇 1.8 Example 13 31 520 1.3% 〇〇1.8 Example 14 30 520 2.4% 〇0 1.8 Example 15 30 520 1.8% 〇〇1.8 Reference Example 1 2 520 9.3% X 〇1.8 Reference Example 2 14 520 5.2% 〇X 1.8 Example 16 [Preparation of polymerizable liquid crystal composition] A polymerizable liquid crystal composition was obtained by mixing the following components and stirring the resulting mixture at 80 ° C for 1 hour. Polymerizable liquid crystal compound: compound (1_6) 100 parts 158656.doc • 42· 201224125 Polymerization initiator: 2-dimethylamino-2-pyryl-by-morpholinylphenyl) butanol-l-_ ( Irgacure 369, manufactured by BASF Japan) 6 parts poly &amp; starting aid. Isopropyl sneak (manufactured by Siber Hegner) 2 parts of leveling agent. Polyacrylate compound (BYK-361N, manufactured by BYK_Chemie) 1.2 parts of solvent: 25 parts of cyclopentanone [Production of optical film] Using the polymerizable liquid crystal composition obtained above, it was carried out in the same manner as in Example i to obtain an optical film. [Observation of liquid crystal phase] With respect to the obtained optical film, observation of the liquid crystal phase was carried out in the same manner as in Example ’, and it was found that a horizontal alignment single domain was formed. [Measurement of film thickness] The film thickness was measured in the same manner as in Example 1 for the obtained optical film'. The result was 1.8 μm. [Measurement of the phase difference value] The surface retardation value of the wavelength "eight?" was measured using a birefringence measuring apparatus (K0BRA_WR, manufactured by Oji Scientific Instruments Co., Ltd.), and the result was 257 nm. Since the glass substrate used as the substrate does not have birefringence, the surface retardation value of the optical film can be obtained by measuring the optical film in a state in which the glass substrate is attached by the measuring device. [Industrial Applicability] According to the present invention In the polymerizable liquid crystal composition of the invention, an optical film having a stratified phase formed by 158656.doc -43 - 201224125 can be easily obtained, and a smectic phase which is aligned in the horizontal direction is formed and contains a dichroic dye. The optical film is particularly useful as a polarizing film, and is useful as a polarizing film. [Brief Description of the Drawings] Fig. 1 is a schematic view showing a liquid crystal display device 10 which is one of the display devices of the present invention. A schematic diagram of a liquid crystal display device 24 which is one of the display devices of the present invention. Fig. 3 is a schematic view showing an EL display device 30 which is one of the display devices of the present invention. Fig. 5 is a schematic view showing a projection type liquid crystal display device which is one of the display devices of the present invention. [Description of main components] 10 Liquid crystal display device 11 Antireflection film 12a Polarizing film 12b Polarizing film 13a Phase difference film 13b Phase difference film 14a Substrate 14b Substrate 15 Color filter 158656.doc -44 - 201224125 16 Transparent electrode 17 Liquid crystal layer 18 Interlayer insulating film 19 Backlight unit 20 Black matrix 21 Thin film transistor 22 pixel electrode 23 spacer 24 liquid crystal display device 30 EL display device 31 polarizing film 32 retardation film 33 substrate 34 interlayer insulating film 35 pixel electrode 36 light emitting layer 37 cathode electrode 38 desiccant 39 sealing cover 40 thin film transistor 41 Barrier wall 42 Membrane sealing film 44 EL display device 111 Light source 158656.doc -45- 201224125 112 1st lens array 112a Lens 113 2nd lens array 114 Polarization conversion element 115 Overlapping lens 121 Bi-color mirror 122 Mirror 123 Bi-color mirror 132 Bi-color mirror 140R LCD panel 140G LCD panel 140 B Liquid crystal panel 142 Polarizing film 143 Polarizing film 150 Light-emitting prism 170 Projection lens 180 Screen B Blue channel G Green channel R Red channel 158656.doc -46-

Claims (1)

201224125 VII. Patent application scope: 1. A polymerizable liquid crystal composition which contains a polymerizable liquid crystal compound, a leveling agent and a solvent which exhibit a phase of a layer, and the leveling agent is selected from a polyacrylate compound. At least one of a group consisting of a leveling agent of a component and a leveling agent containing a fluorine atom-containing compound as a main component, and the content of the leveling agent is 1 质量3 by mass based on 1 part by mass of the polymerizable liquid crystal compound. More than 5 parts by weight. 2. The polymerizable liquid crystal composition according to claim 1, wherein the polymerizable liquid crystal compound exhibits a nematic phase between a temperature of the column phase of the display layer and a temperature of the isotropic phase. 3. The polymerizable liquid crystal composition of claim 1, which further comprises a dichroic colorant. The optical film is obtained by polymerizing a polymerizable liquid crystal compound contained in the polymerizable liquid crystal composition according to any one of the above claims. A method for producing an optical film, comprising the following steps (1), (7), and (3): Step (1): applying the polymerizable liquid crystal composition according to any one of claims 1 to 3 to a substrate. a step of obtaining a coating film; 'Step (2). a step of forming a liquid crystal phase in the coating film obtained in the step (1); = (3): a film having a liquid crystal phase formed by the step (7) The polymerizable liquid crystal compound is agglomerated to obtain an optical film. The manufacturing method of the item 5, wherein the liquid crystal phase is a smectic phase. The manufacturing method of claim 5, wherein the step (7) is carried out by heating the coating film obtained in the step (1) of 158656.doc 201224125 until the polymerizable liquid crystal compound contained in the coating film is transferred to a temperature above the nematic phase. Then, the polymerizable liquid crystal compound is cooled to a temperature of the display layer column phase to obtain a step of aligning the polymerizable liquid crystal compound into a film of a smectic phase. 8. A display device 'which contains the optical film of claim 4. A display device comprising the optical film obtained by the production method of claim 5. 10. A display device' which comprises an optical film obtained by the manufacturing method of claim 6 or 7. 158656.doc