JP5421591B2 - 1,2−ジフルオロエテン化合物類を含む液晶媒体および液晶ディスプレイ - Google Patents
1,2−ジフルオロエテン化合物類を含む液晶媒体および液晶ディスプレイ Download PDFInfo
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Description
−拡大されたネマチック相範囲(特に、低い温度までの)、
−極度に低い温度においてすら安定に貯蔵できること、
−極度に低い温度におけるスイッチ能力(屋外使用、自動車、航空機)
−紫外線照射に対する増大された抵抗(より長い寿命)。
式中、
R1は、ハロゲン化されているか無置換で1〜15個の炭素原子を有しているアルキルまたはアルコキシ基を表し、ただし加えて、これらの基の1個以上のCH2基は、それぞれ互いに独立に、酸素原子が互いに直接結合しないように、−C≡C−、−CH=CH−、−O−、−CO−O−または−O−CO−で置き換えられていてもよく、
環Aは、以下の式:
Z1、Z2は、単結合、−C≡C−、−CF=CF−、−CH=CH−、−CF2O−または−CH2CH2−を表し、ただし、Z1およびZ2からの少なくとも一方の基は、基−CF=CF−を表し、
Xは、F、Cl、CN、SF5またはハロゲン化されているか無置換で1〜15個の炭素原子を有しているアルキルまたはアルコキシ基を表し、ただし加えて、これらの基の1個以上のCH2基は、それぞれ互いに独立に、酸素原子が互いに直接結合しないように、−C≡C−、−CH=CH−、−O−、−CO−O−または−O−CO−で置き換えられていてもよく、
L1、L2、L3、L4、L5およびL6は、それぞれ互いに独立に、HまたはFを表し、および
mは、0、1または2を表す。
本発明の好ましい化合物は、互いに独立に、
mは1を表し、
Z2は−CF=CF−を表し、Z1は単結合を表し、
Xは、F、−OCF3、−CF3、CN、1〜6個の炭素原子を有しているn−アルキルまたは1〜6個の炭素原子を有しているn−アルコキシ、特にFまたは−OCF3を表し、
L5、L6はHを表し、または
R1は、1〜7個の炭素原子を有しているアルキルまたは2〜7個の炭素原子を有しているアルキレンを表す
ことで特徴付けられる。
R0は、それぞれ9個までの炭素原子を有するn−アルキル、アルコキシ、オキサアルキル、フルオロアルキルまたはアルケニル、
X0は、F、Cl、6個までの炭素原子を有するハロゲン化アルキル、ハロゲン化アルケニル、ハロゲン化オキサアルキル、ハロゲン化アルケニルオキシまたはハロゲン化アルコキシ、
Z0は、−C2F4−、−CF=CF−、−C2H4−、−(CH2)4−、−OCH2−、−CH2O−、−CF2O−または−OCF2−、
Y1〜Y4は、それぞれ互いに独立に、HまたはF、
rは、0または1、および
tは、0、1または2。
R0は、それぞれ9個までの炭素原子を有するn−アルキル、オキサアルキル、フルオロアルキルまたはアルケニルを表し、
X0は、F、Cl、6個までの炭素原子を有するハロゲン化アルキル、ハロゲン化アルケニル、ハロゲン化アルケニルオキシまたはハロゲン化アルコキシを表し、
Y1〜Y4は、それぞれ互いに独立に、HまたはFを表す。
R0は、それぞれ9個までの炭素原子を有するn−アルキル、オキサアルキル、フルオロアルキルまたはアルケニルを表し、
X0は、F、Cl、6個までの炭素原子を有するハロゲン化アルキル、ハロゲン化アルケニル、ハロゲン化アルケニルオキシまたはハロゲン化アルコキシを表し、
環BおよびCは、互いに独立に、0個、1個または2個のフッ素で置換されている1,4−フェニレンを表す。
式中、
R0は、それぞれ9個までの炭素原子を有するn−アルキル、オキサアルキル、フルオロアルキルまたはアルケニルを表し、
Y1は、HまたはFを表し、および
X0は、F、Cl、6個までの炭素原子を有するハロゲン化アルキル、ハロゲン化アルケニル、ハロゲン化アルケニルオキシまたはハロゲン化アルコキシを表し、
1,4−フェニレン環は、CN、塩素またはフッ素により付加的に置換されていてもよい。1,4−フェニレン環は、好ましくはフッ素原子により1置換または多置換されている。
式中、
R1aおよびR2aは、それぞれ互いに独立に、H、CH3、C2H5またはn−C3H7を表し、および
R0は、それぞれ9個までの炭素原子を有するn−アルキル、オキサアルキル、フルオロアルキルまたはアルケニルを表す。
尚、混合物例の中で、本願発明の実施例は、例1〜6、9〜15、17〜18、20〜21、23〜24、26〜38である。
clp.は透明点(ネマチック−等方相転移温度)、
Δnは光学異方性(589nm、20℃)、
Δεは誘電異方性(1kHz、20℃)、ε‖−ε⊥、
ε‖は分子の長軸に平行な誘電率の割合(1kHz、20℃)、
ε⊥は分子の長軸に平行な誘電率の割合(1kHz、20℃)、
γ1は回転粘度(20℃)、
tstoreは時間で表された低温貯蔵安定性(−20℃、−30℃、−40℃)、
V10は閾電圧=10%の相対コントラストにおける特性電圧、
V90は飽和電圧=90%の相対コントラストにおける特性電圧、
k1は弾性定数(スプレイ変形、k11とも)、
k3は弾性定数(ベンド変形、k33とも)、
k3/k1はk1に対するk3の比、
V0は容量またはフレデリクス閾電圧。
Δε 8.4
Δn 0.223
γ1 249mPa・s
Claims (11)
- 正の誘電異方性を有する液晶媒体であって、
(a)式I−1、I−2、I−5〜I−18、およびI−22〜I−30から選ばれる1種類または2種類以上の化合物と、
(b)一般式XIVおよびXVからなる群より選ばれる化合物、および一般式K−1〜K−12から選ばれる化合物の少なくとも1種の化合物と
を含むことを特徴とする液晶媒体。
R1は、無置換で直鎖状で、1〜6個の炭素原子を有するアルキルもしくはアルコキシ基または2〜6個の炭素原子を有するアルケニルを表し、
(F)は、FまたはHを表す。)
R0は、それぞれ9個までの炭素原子を有するn−アルキル、オキサアルキル、フルオロアルキルまたはアルケニルを表し、
X0は、F、Cl、6個までの炭素原子を有するハロゲン化アルキル、ハロゲン化アルケニル、ハロゲン化アルケニルオキシまたはハロゲン化アルコキシを表し、
環AおよびBは、互いに独立に、0個、1個または2個のフッ素で置換されている1,4−フェニレンを表し、および
ただし、それぞれの場合で、少なくとも1個の1,4−フェニレン環は1個または2個のフッ素で置換されている。)
R0は、それぞれ9個までの炭素原子を有するn−アルキル、オキサアルキル、フルオロアルキルまたはアルケニルを表し、
(F)は、FまたはHを表す。) - 前記一般式K−1〜K−12から選ばれた1種類以上の化合物を含むことを特徴とする請求項1に記載の液晶媒体。
- 一般式II、III、IV、VおよびVIからなる群より選ばれる1種類以上の化合物をさらに含むことを特徴とする請求項1〜3のいずれか1項に記載の液晶媒体。
R0は、それぞれ9個までの炭素原子を有するn−アルキル、オキサアルキル、フルオロアルキルまたはアルケニルを表し、
X0は、F、Cl、6個までの炭素原子を有するハロゲン化アルキル、ハロゲン化アルケニル、ハロゲン化アルケニルオキシまたはハロゲン化アルコキシを表し、
Z0は、−C2F4−、−CF=CF−、−C2H4−、−(CH2)4−、−OCH2−、−CH2O−、−CF2O−または−OCF2−を表し、
Y1〜Y4は、それぞれ互いに独立に、HまたはFを表し、
rは、0または1を表し、および
tは、0、1または2を表す。) - 前記一般式XIVおよびXVからなる群より選ばれる1種類以上の化合物を含むことを特徴とする請求項1〜4のいずれか1項に記載の液晶媒体。
- 請求項1〜9のいずれか1項に記載の液晶媒体の、電気光学的装置における使用。
- 請求項1〜9のいずれか1項に記載の液晶媒体を含む液晶ディスプレイ。
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DE102005027171 | 2005-06-13 | ||
DE102005027171.5 | 2005-06-13 | ||
PCT/EP2006/004708 WO2006133783A1 (de) | 2005-06-13 | 2006-05-18 | Flüssigkristallines medium und flüssigkristallanzeige mit 1,2-difluorethenverbindungen |
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US (2) | US7651742B2 (ja) |
EP (2) | EP2182041B1 (ja) |
JP (1) | JP5421591B2 (ja) |
KR (1) | KR101485189B1 (ja) |
CN (1) | CN101193999B (ja) |
AT (2) | ATE519829T1 (ja) |
DE (2) | DE502006006182D1 (ja) |
TW (1) | TWI394821B (ja) |
WO (1) | WO2006133783A1 (ja) |
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CN104884576A (zh) * | 2013-03-25 | 2015-09-02 | Dic株式会社 | 液晶组合物和使用其的液晶显示元件 |
US9365773B2 (en) | 2013-03-25 | 2016-06-14 | Dic Corporation | Liquid crystal composition and liquid crystal display device using the same |
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CN103710030B (zh) * | 2013-11-27 | 2016-01-20 | 合肥工业大学 | 一种氰基取代二苯乙烯型液晶材料及其制备工艺及应用 |
CN104140825B (zh) * | 2014-07-22 | 2015-10-28 | 北京大学 | 一种具有超高双折射率的向列相液晶材料 |
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2006
- 2006-05-18 EP EP10001482A patent/EP2182041B1/de not_active Not-in-force
- 2006-05-18 KR KR1020087000765A patent/KR101485189B1/ko not_active Expired - Fee Related
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- 2006-05-18 JP JP2008516156A patent/JP5421591B2/ja not_active Expired - Fee Related
- 2006-05-18 CN CN2006800208215A patent/CN101193999B/zh active Active
- 2006-05-18 WO PCT/EP2006/004708 patent/WO2006133783A1/de active Application Filing
- 2006-05-18 AT AT10001482T patent/ATE519829T1/de active
- 2006-05-18 AT AT06742977T patent/ATE458033T1/de active
- 2006-05-18 DE DE502006006182T patent/DE502006006182D1/de active Active
- 2006-05-18 EP EP06742977A patent/EP1891181B1/de not_active Not-in-force
- 2006-05-22 DE DE102006023898A patent/DE102006023898A1/de not_active Withdrawn
- 2006-06-12 TW TW095120861A patent/TWI394821B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
EP2182041A2 (de) | 2010-05-05 |
EP2182041A3 (de) | 2010-07-07 |
DE102006023898A1 (de) | 2006-12-14 |
ATE458033T1 (de) | 2010-03-15 |
EP2182041B1 (de) | 2011-08-10 |
US20100085529A1 (en) | 2010-04-08 |
TW200708599A (en) | 2007-03-01 |
CN101193999B (zh) | 2013-06-12 |
KR101485189B1 (ko) | 2015-01-22 |
KR20080017466A (ko) | 2008-02-26 |
DE502006006182D1 (de) | 2010-04-01 |
US7651742B2 (en) | 2010-01-26 |
ATE519829T1 (de) | 2011-08-15 |
EP1891181A1 (de) | 2008-02-27 |
TWI394821B (zh) | 2013-05-01 |
EP1891181B1 (de) | 2010-02-17 |
JP2008545804A (ja) | 2008-12-18 |
WO2006133783A1 (de) | 2006-12-21 |
US20080260971A1 (en) | 2008-10-23 |
CN101193999A (zh) | 2008-06-04 |
US7923079B2 (en) | 2011-04-12 |
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