JP5428164B2 - ネマチック液晶組成物 - Google Patents
ネマチック液晶組成物 Download PDFInfo
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- JP5428164B2 JP5428164B2 JP2008020716A JP2008020716A JP5428164B2 JP 5428164 B2 JP5428164 B2 JP 5428164B2 JP 2008020716 A JP2008020716 A JP 2008020716A JP 2008020716 A JP2008020716 A JP 2008020716A JP 5428164 B2 JP5428164 B2 JP 5428164B2
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- JP
- Japan
- Prior art keywords
- liquid crystal
- general formula
- carbon atoms
- crystal composition
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- Prior art date
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- 239000000203 mixture Substances 0.000 title claims description 40
- 239000004988 Nematic liquid crystal Substances 0.000 title claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims description 59
- 150000001875 compounds Chemical class 0.000 claims description 36
- 125000004432 carbon atom Chemical group C* 0.000 claims description 26
- 125000000217 alkyl group Chemical group 0.000 claims description 15
- 125000003342 alkenyl group Chemical group 0.000 claims description 11
- 239000011159 matrix material Substances 0.000 claims description 8
- 239000012071 phase Substances 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 8
- 230000000704 physical effect Effects 0.000 description 5
- 239000004990 Smectic liquid crystal Substances 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- -1 bicyclohexane compound Chemical class 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- WVIIMZNLDWSIRH-UHFFFAOYSA-N cyclohexylcyclohexane Chemical class C1CCCCC1C1CCCCC1 WVIIMZNLDWSIRH-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 description 1
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- 125000003302 alkenyloxy group Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000012769 display material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000005407 trans-1,4-cyclohexylene group Chemical group [H]C1([H])C([H])([H])[C@]([H])([*:2])C([H])([H])C([H])([H])[C@@]1([H])[*:1] 0.000 description 1
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- Liquid Crystal Substances (AREA)
Description
本願発明は、第一成分として一般式(1)
T→N :固体相またはスメクチック相-ネマチック相転移温度(℃)を液晶相下限温度とする。
Δε :25℃における誘電率異方性
Δn :25℃における屈折率異方性
η :20℃における粘性
VHR :60℃における保持率(%)
(セル厚3.5μmのVA-LCDに注入し、5V印加、フレームタイム16.7ms、パルス幅64μsで測定したときの測定電圧と初期印加電圧との比を%で表した値。)
末端のn(数字) CnH2n+1-
-2- -CH2CH2-
-1O- -CH2O-
-O1- -OCH2-
-On -OCnH2n+1
ndm- CnH2n+1-C=C-(CH2)m-1-
Claims (7)
- 一般式(1)において、R1が炭素数2〜5のアルキル基であることを特徴とする請求項1記載のネマチック液晶組成物。
- 一般式(2)において、R2が炭素数2〜5のアルケニル基であることを特徴とする請求項1または2記載のネマチック液晶組成物。
- 前記一般式(1)および前記一般式(2)で表される化合物群からなる群から化合物は5〜60質量%含有する、請求項1〜3のいずれか1項にネマチック液晶組成物。
- 請求項1から4のいずれか1項に記載のネマチック組成物を用いた液晶表示素子。
- 請求項1から4のいずれか1項に記載のネマチック組成物を用いたアクティブマトリックス駆動用液晶表示素子。
- 請求項1から3のいずれか1項に記載のネマチック組成物を用いたVAモード、IPSモードまたはECBモード用液晶表示素子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008020716A JP5428164B2 (ja) | 2008-01-31 | 2008-01-31 | ネマチック液晶組成物 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008020716A JP5428164B2 (ja) | 2008-01-31 | 2008-01-31 | ネマチック液晶組成物 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009179737A JP2009179737A (ja) | 2009-08-13 |
JP5428164B2 true JP5428164B2 (ja) | 2014-02-26 |
Family
ID=41033954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008020716A Active JP5428164B2 (ja) | 2008-01-31 | 2008-01-31 | ネマチック液晶組成物 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5428164B2 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4947339B2 (ja) * | 2004-12-15 | 2012-06-06 | Dic株式会社 | ネマチック液晶組成物及びこれを用いた液晶表示素子 |
JP4947342B2 (ja) * | 2005-02-28 | 2012-06-06 | Dic株式会社 | ジフルオロベンゼン誘導体及びこれを用いた液晶組成物 |
JP5077621B2 (ja) * | 2005-03-17 | 2012-11-21 | Dic株式会社 | ジフルオロベンゼン誘導体及びこれを用いた液晶組成物 |
JP4876420B2 (ja) * | 2005-03-31 | 2012-02-15 | Dic株式会社 | ジフルオロベンゼン誘導体 |
JP5245828B2 (ja) * | 2006-08-07 | 2013-07-24 | Jnc株式会社 | 液晶組成物および液晶表示素子 |
KR101510912B1 (ko) * | 2007-09-10 | 2015-04-10 | 제이엔씨 석유 화학 주식회사 | 액정성 화합물, 액정 조성물 및 액정 표시 소자 |
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2008
- 2008-01-31 JP JP2008020716A patent/JP5428164B2/ja active Active
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Publication number | Publication date |
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JP2009179737A (ja) | 2009-08-13 |
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