JP2000507719A - 液晶類を配向するための方法及び材料と液晶光学要素 - Google Patents
液晶類を配向するための方法及び材料と液晶光学要素Info
- Publication number
- JP2000507719A JP2000507719A JP9535403A JP53540397A JP2000507719A JP 2000507719 A JP2000507719 A JP 2000507719A JP 9535403 A JP9535403 A JP 9535403A JP 53540397 A JP53540397 A JP 53540397A JP 2000507719 A JP2000507719 A JP 2000507719A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- dianhydride
- alignment layer
- independently
- composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
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Classifications
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1039—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors comprising halogen-containing substituents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1085—Polyimides with diamino moieties or tetracarboxylic segments containing heterocyclic moieties
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133723—Polyimide, polyamide-imide
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/02—Alignment layer characterised by chemical composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/02—Alignment layer characterised by chemical composition
- C09K2323/025—Polyamide
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/02—Alignment layer characterised by chemical composition
- C09K2323/027—Polyimide
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. (a)異方性吸収分子を含む少なくとも一つの光学的配向層を偏光に露光 するステップと、該偏光は前記異方性吸収分子の吸収バンドの範囲内の波長を有 することと、前記結果として生じる露光された異方性吸収分子は、入射光の偏光 方向を基準にして角度+及び−θでかつ前記光学的配向層の表面に沿った液晶媒 体の配向を誘導することと、 (b)液晶媒体を前記光学的配向層に適用するステップと、 前記異方性吸収分子は本質的に少なくとも一種類のジアリールケトンからなるこ とと、を含む光学的配向層の表面に隣接した液晶を配向する方法。 2. 前記ジアリールケトンが、以下の式I [式中、前記構造要素Iは、Q、Ar、及びAr’からなる群から選択される少 なくとも一種類の要素とQとの共有結合を有し;Qは1〜100個の原子を有す る有機ラジカルであり;ArとAr’は独立に、置換及び未置換フェニルと縮合 多環式芳香族及び複素環式芳香族ラジカル類とからなる群から選択される]の反 復構造要素を有するポリマーを含む、請求項1に記載の方法。 3. 前記ポリマーはポリイミドである、請求項2に記載の方法。 4. 前記ポリイミドは、少なくとも一種類のジアリールケトンテトラカルボン 酸二無水物と少なくとも一種類のジアミンとの反応生成物であり、少なくとも一 種類の式IIの構造要素 [式中、Q’は少なくとも二個の炭素原子を含む二価有機ラジカルであり;Xは 独立にH、Cl、F、Br、R1及びR1O−からなる群から選択され;式中、R1 は独立にC1〜C3ペルフルオロ化アルキル鎖、C1〜C3部分フッ素化アルキル 鎖及びC1〜C8炭化水素鎖から選択され;Zは−S−、−SO2−、−O−、− CH2CH2−、−CH2−、−NR−、−C(CF3)2−、−C(O)−及び共 有結合からなる群から選択され、式中、RはC1〜C4炭化水素鎖であり;及びm は1または0である]を含む、請求項3に記載の方法。 5. Q’は式IIIとIV [式中、Z1は独立にZと同じ群から選択され;各X1は独立にH、Cl、F、B r、R1、−O−R1、−S−R1及び−N(R2)−R1から選択され;式中、R1 は独立にC1〜C3ペルフルオロ化アルキル鎖、C1〜C3部分フッ素化アルキル鎖 及びC1〜C8炭化水素鎖から選択され、及びR2は独立にHとR1とから選択され ;及びnは1〜4である]から選択される二価ラジカルである、請求項4に記載 の方法。 6. 構造式IIの前記ポリイミドを誘導する原料である前記テトラカルボン酸二 無水物は、3,3’,4,4’−ベンゾフェノンテトラカルボン酸二無水物と2 ,2’−ジクロロ−4,4’,5,5’−ベンゾフェノンテトラカルボン酸二無 水物とからなる群から選択される、請求項5に記載の方法。 7. 前記ポリイミドは、少なくとも一種類の脂環式テトラカルボン酸二無水物 と追加で少なくとも一種類の式Vの構造要素[式中、Pは前記脂環式テトラカルボン酸二無水物から誘導される四価有機ラジ カルであり、Q’は請求項4に定義した通りである]とのさらなる反応生成物で ある、請求項4に記載の方法。 8. 前記脂環式テトラカルボン酸二無水物は、5−(2,5−ジオキソテトラ ヒドロ)−3−メチル−3−シクロヘキセン−1,2−ジカルボン酸無水物、2 ,3,5−トリカルボキシシクロペンタン酢酸二無水物、1,2,3,4−ブタ ンテトラカルボン酸二無水物及び1,2,3,4−シクロブタンテトラカルボン 酸二無水物から選択される、請求項7に記載の方法。 9. Z1は−C(O)−と共有結合とから選択され、X1は独立にH、−CF3 、−CH3及び−CH2CH3から選択される、請求項5に記載の方法。 10. 構造式IIを誘導する原料である前記ジアリールケトンテトラカルボン酸 二無水物は3,3’,4,4’−ベンゾフェノンテトラカルボン酸二無水物であ り、Q’は2−(トリフルオロメチル)−1,4−ベンゼンジアミン、5−(ト リフルオロメチル)−1,3−ベンゼンジアミン、2,2’−ビス(トリフルオ ロメチル)ベンジデン、3,3’−ビス(トリフルオロメチル)ベンジデン及び 4,4’−ジアミノベンゾフェノンからなる群から選択される少なくとも一種類 のジアミンから誘導される、請求項4に記載の方法。 11. 構造式IIを誘導する原料である前記テトラカルボン酸二無水物は3,3 ’,4,4’−ベンゾフェノンテトラカルボン酸二無水物であり、構造式Vを誘 導する原料である前記脂環式テトラカルボン酸二無水物は5−(2,5−ジオキ ソテトラヒドロ)−3−メチル−3−シクロヘキセン−1,2−ジカルボン酸無 水物であり、Q’は2−(トリフルオロメチル)−1,4−ベンゼンジアミン、 5−(トリフルオロメチル)−1,3−ベンゼンジアミン、2,2’−ビス(ト リフルオロメチル)ベンジデン、3,3’−ビス(トリフルオロメチル)ベンジ デン及び4,4’−ジアミノベンゾフェノンからなる群から選択される少なくと も一種類のジアミンから誘導される、請求項7に記載の方法。 12. 構造式IIを誘導する原料である前記テトラカルボン酸二無水物は3,3 ’,4,4’−ベンゾフェノンテトラカルボン酸二無水物であり、構造式Vを誘 導する原料である前記脂環式テトラカルボン酸二無水物は1,2,3,4−ブタ ンテトラカルボン酸二無水物であり、Q’は2−(トリフルオロメチル)−1, 4−ベンゼンジアミン、5−(トリフルオロメチル)−1,3−ベンゼンジアミ ン、2,2’−ビス(トリフルオロメチル)ベンジデン、3,3’−ビス(トリ フルオロメチル)ベンジデン及び4,4’−ジアミノベンゾフェノンからなる群 から選択される少なくとも一種類のジアミンから誘導される、請求項7に記載の 方法。 13. 前記ポリイミドは、少なくとも一種類のテトラカルボン酸二無水物と少 なくとも一種類のジアミノベンゾフェノンとの反応生成物であり、少なくとも一 種類の式VIの構造要素 [式中、Mは少なくとも二個の炭素原子を含む前記テトラカルボン酸二無水物か ら誘導される四価有機ラジカルであり、前記二無水物の2個以下のカルボニル基 が前記四価ラジカルの任意の一個の炭素原子に結合しており;Xは請求項4に説 明した通りである]を含む、請求項3に記載の方法。 14. 式VIを誘導する原料である前記ジアミノベンゾフェノンは4,4’−ジ アミノベンゾフェノンである、請求項13に記載の方法。 15. Mを誘導する原料である前記テトラカルボン酸二無水物は脂環式テトラ カルボン酸二無水物である、請求項13に記載の方法。 16. 前記脂環式テトラカルボン酸二無水物は、5−(2,5−ジオキソテト ラヒドロ)−3−メチル−3−シクロヘキセン−1,2−ジカルボン酸無水物、 2,3,5−トリカルボキシシクロペンタン酢酸二無水物、1,2,3,4−ブ タンテトラカルボン酸二無水物及び1,2,3,4−シクロブタンテトラカルボ ン酸二無水物から選択される、請求項15に記載の方法。 17. 式VIを誘導する原料である前記ジアミンは4,4’−ジアミノベンゾフ ェノンであり、Mを誘導する原料である前記テトラカルボン酸二無水物は5−( 2,5−ジオキソテトラヒドロ)−3−メチル−3−シクロヘキセン−1,2− ジカルボン酸無水物、2,3,5−トリカルボキシシクロペンタン酢酸二無水物 、1,2,3,4−ブタンテトラカルボン酸二無水物及び1,2,3,4−シク ロブタンテトラカルボン酸二無水物からなる群から選択される、請求項13に記 載の方法。 18. 前記光学的配向層は、前記異方性吸収分子の吸収バンドの範囲内で、0 .001〜2000ジュール/cm2を前記光学的配向層へ供給することにより露 光される、請求項1に記載の方法。 19. 前記偏光はレーザーから生じる、請求項1に記載の方法。 20. 前記偏光は、水銀アーク、キセノンランプ、重水素及び石英タングステ ンハロゲンランプ、及びブラックライトからなる群から選択され、偏光子を組み 合わせた供給源から生じる、請求項1に記載の方法。 21. 前記光学的配向層は走査モードで露光される、請求項1に記載の方法。 22. 前記光学的配向層は、 (a)少なくとも一つの光学的配向層を、垂直入射で偏光に露光するステップ と、 (b)続いて、前記光学的配向層を、斜入射で偏光に露光するステップと、を 含む二ステップで露光される、請求項1に記載の方法。 23. 前記光学的配向層は、 (a)前記光学的配向層を、入射光ビームの直線偏光の第一の方向の偏光に露 光するステップと、 (b)前記光学的配向層を、入射光ビームの直線偏光の第二の方向の偏光に露 光するステップと、を含む二ステップで露光される、請求項1に記載の方法。 24. 前記光学的配向層は、 (a)前記光学的配向層を、入射光の直線偏光の第一の方向の偏光に露光する ステップと、 (b)前記光学的配向層を、入射光の直線偏光の第二の方向の偏光に斜入射で 露光するステップと、を含む二ステップで露光される、請求項1に記載の方法。 25. 前記偏光は、約150〜800nmの少なくとも一つの波長を有する、請 求項1に記載の方法。 26. 前記偏光は、約150〜400nmの少なくとも一つの波長を有する、請 求項1に記載の方法。 27. 前記偏光は、約300〜400nmの少なくとも一つの波長を有する、請 求項1に記載の方法。 28. 液晶媒体の前記適用は、セルを毛管充填することを含む、請求項1に記 載の方法。 29. 液晶媒体の前記適用は、該液晶媒体を光学的配向層の上にキャスティン グすることを含む、請求項1に記載の方法。 30. 前記液晶媒体は、ネマチック液晶類、強誘電性液晶類、重合可能なネマ チック液晶類及びネマチック液晶性ポリマー類からなる群から選択される、請求 項1に記載の方法。 31. 前記液晶媒体は、ネマチック液晶類と重合可能なネマチック液晶類とか らなる群から選択される、請求項1に記載の方法。 32. 前記ネマチック液晶類は、4−シアノ−4’−アルキルビフェニル類、 4−アルキル−(4’−シアノフェニル)シクロヘキセン類及びスーパーフルオ ロ化液晶混合物類からなる群から選択され、該スーパーフルオロ化液晶混合物類 はZLI−5079、ZLI−5080、ZLI−5081、ZLI−5092 、ZLI−4792、ZLI−1828、MLC−2016、MLC−2019 、MLC−6252及びMLC−6043の群から選択される、請求項31に記 載の方法。 33. 請求項1の方法で作られる液晶光学的記憶媒体。 34. 請求項1の方法で作られる液晶表示要素。 35. 請求項1の方法で作られる回折光学要素。 36. 少なくとも一種類のジアリールケトンテトラカルボン酸二無水物と少な くとも三種類のジアミン類とのコポリイミドで、本質的に少なくとも三種類の式 IIaの構造要素 [式中、Yは式IIIaとIVaとから選択される二価ラジカルであり: 式中、ZとZ1は独立に−S−、−SO2−、−O−、−CH2CH2−、−CH2 −、−NR−、−C(CF3)2−、−C(O)−及び共有結合からなる群から選 択され、式中、RはC1〜C4炭化水素鎖であり;X2は独立に−R3、−OR3、 −SR3、及び−N(R4)R3から選択され;式中、R3はC1〜C3ペルフルオロ 化アルキル鎖と部分フッ素化アルキル鎖とから選択され、R4は独立にR3とHと から選 択され;X3は独立にX2とHとから選択され;Xは独立にH、Cl、F及びBr からなる群から選択され;及びmは1または0である]からなる少なくとも一種 類のコポリイミドから本質的になる、液晶類の配向を生成するための組成物。 37. X2は−CF3である、請求項36に記載の組成物。 38. 前記少なくとも三種類のジアミン類は、2−(トリフルオロメチル)− 1,4−ベンゼンジアミン、5−(トリフルオロメチル)−1,3−ベンゼンジ アミン、2,2’−ビス(トリフルオロメチル)ベンジデン、3,3’−ビス( トリフルオロメチル)ベンジデン及び2,2’−ビス(トリフルオロメトキシ) ベンジデンからなる群から選択される、請求項36に記載の組成物。 39. 前記ジアリールケトンテトラカルボン酸二無水物は本質的に、3,3’ ,4,4’−ベンゾフェノンテトラカルボン酸二無水物からなる、請求項36に 記載の組成物。 40. 少なくとも一種類のジアリールケトンテトラカルボン酸二無水物と少な くとも二種類のジアミン類とのコポリイミドで、本質的に少なくとも一種類の式 IIaの構造要素 [式中、Yは式IIIaとIVaとから選択される二価ラジカルである] と少なくとも一種類の式VIIの構造要素[式中、ZとZ1は独立に−S−、−SO2−、−O−、−CH2CH2−、−CH2 −、−NR−、−C(CF3)2−、−C(O)−及び共有結合からなる群から 選択され、式中、RはC1〜C4炭化水素鎖であり;X2は独立に−R3、−OR3 、−SR3、及び−N(R4)R3から選択され、式中、R3はC1〜C3ペルフルオ ロ化アルキル鎖と部分フッ素化アルキル鎖とから選択され、R4は独立にR3とH とから選択され;X3は独立にX2とHとから選択され;Xは独立にH、Cl、F 及びBrからなる群から選択され;及びmは1または0であり;及び前記コポリ イミドは約99〜1モル%の少なくとも一種類の式IIaの構造要素と約1〜99 モル%の少なくとも一種類の式VIIの構造要素とからなる]とからなるコポリイ ミドであるポリイミドポリマーから本質的になる、液晶類の配向を生成するため の組成物。 41. 構造要素VIIを誘導する原料である一種類のジアミンは4,4’−ジア ミノベンゾフェノンである、請求項40に記載の組成物。 42. 少なくとも一種類のジアリールケトンテトラカルボン酸二無水物は3, 3’,4,4’−ベンゾフェノンテトラカルボン酸二無水物である、請求項40 に記載の組成物。 43. 少なくとも一種類のジアリールケトンテトラカルボン酸二無水物と、少 なくとも一種類の脂環式テトラカルボン酸二無水物と、少なくとも一種類のジア ミンとのコポリイミドで、本質的に少なくとも二種類の式IIaとVaの構造要素[式中、Yは式IIIaとIVaとから選択される二価ラジカルであり、 式中、ZとZ1は独立に−S−、−SO2−、−O−、−CH2CH2−、−CH2 −、−NR−、−C(CF3)2−、−C(O)−及び共有結合からなる群から選 択され、式中、RはC1〜C4炭化水素鎖であり;X2は独立に−R3、−OR3、 −SR3、及び−N(R4)R3から選択され、式中、R3はC1〜C3ペルフルオロ 化アルキル鎖と部分フッ素化アルキル鎖とから選択され、R4は独立にR3とHと から選択され;X3は独立にX2とHとから選択され;Xは独立にH、Cl、F及 びBrからなる群から選択され;mは1または0であり;Pは前記脂環式テトラ カルボン酸二無水物から誘導される四価ラジカルであり;及び前記コポリイミド は、9 5〜20モル%の少なくとも一種類の式IIaの構造要素と5〜80モル%の少な くとも一種類の式Vaの構造要素とを含む]とからなるコポリイミドであるポリ イミドポリマーから本質的になる、液晶類の配向を生成するための組成物。 44. 前記脂環式テトラカルボン酸二無水物は、5−(2,5−ジオキソテト ラヒドロ)−3−メチル−3−シクロヘキセン−1,2−ジカルボン酸無水物、 2,3,5−トリカルボキシシクロペンタン酢酸二無水物、1,2,3,4−ブ タンテトラカルボン酸二無水物及び1,2,3,4−シクロブタンテトラカルボ ン酸二無水物からなる群から選択される、請求項43に記載の組成物。 45. 前記ジアリールケトンテトラカルボン酸二無水物は3,3’,4,4’ −ベンゾフェノンテトラカルボン酸二無水物である、請求項43に記載の組成物 。 46. 少なくとも一種類のジアミノベンゾフェノンと少なくとも一種類の脂環 式テトラカルボン酸二無水物とのポリイミドポリマーで、本質的に少なくとも一 種類の式VIIIの構造要素 [式中、Pは前記脂環式テトラカルボン酸二無水物から誘導される四価ラジカル であり;Xは独立にH、Cl、F及びBrからなる群から選択される]からなる ポリイミドポリマーから本質的になる、液晶類の配向を生成するための組成物。 47. 前記脂環式テトラカルボン酸二無水物は、5−(2,5−ジオキソテト ラヒドロ)−3−メチル−3−シクロヘキセン−1,2−ジカルボン酸無水物、 2,3,5−トリカルボキシシクロペンタン酢酸二無水物、1,2,3,4−ブ タンテトラカルボン酸二無水物及び1,2,3,4−シクロブタンテトラカルボ ン酸二無水物からなる群から選択される、請求項46に記載の組成物。 48. 構造要素VIIIを誘導する原料である少なくとも一種類のジアミノベンゾ フェノンは4,4’−ジアミノベンゾフェノンである、請求項46に記載の組成 物。 49. 前記ポリイミドポリマーは、さらに少なくとも一種類のジアリールケト ンテトラカルボン酸二無水物を含むコポリイミドであり、さらに少なくとも一種 類の式VIIの構造要素 [式中、Zは−S−、−SO2−、−O−、−CH2CH2−、−CH2−、−NR −、−C(CF3)2−、−C(O)−及び共有結合からなる群から選択され、式 中、RはC1〜C4炭化水素鎖であり;及びmは1または0であり;及びXは請求 項45で定義した通りである]から本質的になるコポリイミドである、請求項4 6に記載の組成物。 50. 前記ジアリールケトンテトラカルボン酸二無水物は3,3’,4,4’ −ベンゾフェノンテトラカルボン酸二無水物である、請求項49に記載の組成物 。 51. 前記コポリイミドは本質的に、約5〜99.9モル%の少なくとも一種 類の式VIIIの構造要素と約95〜0.1モル%の少なくとも一種類の式VIIの構 造要素とからなる、請求項49に記載の組成物。 52. 前記コポリイミドはさらに、1,1,1,3,3,3−ヘキサフルオロ −2,2−ビス(3,4−ジカルボキシフェニル)プロパン二無水物の反応生成 物を含み、かつ、本質的に、さらに少なくとも一種類の式IXの構造要素 [式中、Xは請求項45に定義した通りである]からなる、請求項46に記載の 組成物。 53. 前記脂環式テトラカルボン酸二無水物は、5−(2,5−ジオキソテト ラヒドロ)−3−メチル−3−シクロヘキセン−1,2−ジカルボン酸無水物、 2,3,5−トリカルボキシシクロペンタン酢酸二無水物、1,2,3,4−ブ タンテトラカルボン酸二無水物及び1,2,3,4−シクロブタンテトラカルボ ン酸二無水物からなる群から選択される、請求項52に記載の組成物。 54. 構造要素VIIIを誘導する原料である少なくとも一種類のジアミノベンゾ フェノンは4,4’−ジアミノベンゾフェノンである、請求項53に記載の組成 物。 55. 前記コポリイミドは本質的に、約0.1〜99モル%の少なくとも一種 類の式IXの構造要素と約99.9〜1モル%の少なくとも一種類の式VIIIの構造 要素とからなる、請求項52に記載の組成物。 56. ArとAr’は独立に式: [式中、X’は独立に、1〜100個の原子の一価有機ラジカル、Ar及びAr ’に接続して環を形成する1〜20個の原子の二価有機基、及びAr及びAr’ に接続して環を形成する共有結合の群から選択され;tは0〜4であり;及び前 記 ポリマーは分子量600と5百万ダルトンとの間を有する]の芳香族ラジカル類 から選択される、請求項2に記載の方法。 57. 対向する表面を有する二つの実質的に平行な基板と、各対向する表面に 接して配置された配向層と、前記配向層の少なくとも一つは光学的配向層であり 、各光学的配向層は異方性吸収分子を含むことと;前記配向層同士の間にかつ隣 接して配置され、かつ、少なくとも一部は配向した液晶層と、前記配向層同士を 分離するスペーサと、を備える液晶表示要素において;前記異方性吸収分子は本 質的に少なくとも一種類のジアリールケトンからなり、かつ、前記液晶表示要素 を100倍の倍率で直交偏光子同士の間で見ると、配向パターンに実質的に不規 則性がない、改良された液晶表示要素。
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Also Published As
| Publication number | Publication date |
|---|---|
| US5807498A (en) | 1998-09-15 |
| AU2590597A (en) | 1997-10-22 |
| US6200655B1 (en) | 2001-03-13 |
| US5965691A (en) | 1999-10-12 |
| US5958293A (en) | 1999-09-28 |
| WO1997037274A2 (en) | 1997-10-09 |
| EP0944857A2 (en) | 1999-09-29 |
| WO1997037274A3 (en) | 1998-03-12 |
| KR100445446B1 (ko) | 2004-11-16 |
| KR20000005064A (ko) | 2000-01-25 |
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