JPWO2014007118A1 - ネマチック液晶組成物及びこれを用いた液晶表示素子 - Google Patents
ネマチック液晶組成物及びこれを用いた液晶表示素子 Download PDFInfo
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- JPWO2014007118A1 JPWO2014007118A1 JP2013555692A JP2013555692A JPWO2014007118A1 JP WO2014007118 A1 JPWO2014007118 A1 JP WO2014007118A1 JP 2013555692 A JP2013555692 A JP 2013555692A JP 2013555692 A JP2013555692 A JP 2013555692A JP WO2014007118 A1 JPWO2014007118 A1 JP WO2014007118A1
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 109
- 239000000203 mixture Substances 0.000 title claims abstract description 67
- 239000004988 Nematic liquid crystal Substances 0.000 title description 3
- 239000007791 liquid phase Substances 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims abstract description 6
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- RGOVYLWUIBMPGK-UHFFFAOYSA-N nonivamide Chemical compound CCCCCCCCC(=O)NCC1=CC=C(O)C(OC)=C1 RGOVYLWUIBMPGK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 64
- 150000001875 compounds Chemical class 0.000 claims description 58
- 125000000217 alkyl group Chemical group 0.000 claims description 20
- 125000003342 alkenyl group Chemical group 0.000 claims description 19
- 125000003545 alkoxy group Chemical group 0.000 claims description 12
- -1 3,5-difluoro-1,4-phenylene Chemical group 0.000 claims description 8
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 125000001153 fluoro group Chemical group F* 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 4
- 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 claims description 4
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 claims description 3
- 125000005449 2-fluoro-1,4-phenylene group Chemical group [H]C1=C([*:2])C([H])=C(F)C([*:1])=C1[H] 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 2
- 125000005451 3-fluoro-1,4-phenylene group Chemical group [H]C1=C([*:1])C([H])=C(F)C([*:2])=C1[H] 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 13
- 238000005259 measurement Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 0 *C(CC1)CCC1C1CCC(COc(ccc(*)c2F)c2F)CC1 Chemical compound *C(CC1)CCC1C1CCC(COc(ccc(*)c2F)c2F)CC1 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 6
- 210000002858 crystal cell Anatomy 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical class C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 3
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical class C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 3
- 125000005450 2,3-difluoro-1,4-phenylene group Chemical group [H]C1=C([*:2])C(F)=C(F)C([*:1])=C1[H] 0.000 description 2
- 125000005653 3,5-difluoro-1,4-phenylene group Chemical group [H]C1=C(F)C([*:2])=C(F)C([H])=C1[*:1] 0.000 description 2
- 238000002296 dynamic light scattering Methods 0.000 description 2
- 239000005262 ferroelectric liquid crystals (FLCs) Substances 0.000 description 2
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 1
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- 239000004990 Smectic liquid crystal Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000012769 display material Substances 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 150000008423 fluorobenzenes Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
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- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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Abstract
Description
式中のp及びqはそれぞれ独立的に0又は1であることが更に好ましい。
(側鎖)
-n -CnH2n+1 炭素数nの直鎖状アルキル基
n- CnH2n+1- 炭素数nの直鎖状アルキル基
-On -OCnH2n+1 炭素数nの直鎖状アルコキシル基
nO- CnH2n+1O- 炭素数nの直鎖状アルコキシル基
-V -CH=CH2
V- CH2=CH-
-V1 -CH=CH-CH3
1V- CH3-CH=CH-
-2V -CH2-CH2-CH=CH3
V2- CH3=CH-CH2-CH2-
-2V1 -CH2-CH2-CH=CH-CH3
1V2- CH3-CH=CH-CH2-CH2
-T- -C≡C-
(環構造)
Δn :20℃における屈折率異方性
Δε :25℃における誘電率異方性
η :20℃における粘度(mPa・s)
γ1 :20℃における回転粘性(mPa・s)
K33 :20℃における弾性定数K33(pN)
(比較例1、2及び実施例1、2、3)
表1に記載の組成から成るLC−A(比較例1)、LC−B(比較例2)、LC−1(実施例1)、LC−2(実施例2)及びLC−3(実施例3)を調製し、その物性値を測定した。結果は以下のとおりであった。
(比較例3及び実施例4)
表2に記載の組成から成るLC−C(比較例3)及びLC−4(実施例4)を調製し、その物性値の測定したところ以下のとおりであった。
(比較例4、実施例5、実施例6及び実施例7)
表3に記載の組成から成るLC−D(比較例4)、LC−5(実施例5)、LC−6(実施例6)及びLC−7(実施例7)を調製し、その物性値の測定したところ以下のとおりであった。
(比較例5及び実施例8)
表4に記載の組成から成るLC−E(比較例5)及びLC−8(実施例8)を調製し、その物性値の測定したところ以下のとおりであった。
以上のことから、本発明の液晶組成物はΔn及びTniを低下させることなく、ηが十分に小さく、回転粘性γ1が十分に小さく、弾性定数K33が大きな、絶対値が大きな負の誘電率異方性(Δε)を有するものであり、これを用いたVA型液晶表示素子は表示品位の優れた応答速度の速いものであることが確認された。
Claims (16)
- 25℃における誘電率異方性(Δε)が−2.0から−8.0の範囲であり、20℃における屈折率異方性(Δn)が0.08から0.14の範囲であり、20℃における粘度(η)が10から30mPa・sの範囲であり、20℃における回転粘性γ1が60から130mPa・sの範囲であり、ネマチック相−等方性液体相転移温度(Tni)が60℃から120℃の範囲である請求項1に記載の液晶組成物。
- 第二成分として、一般式(II−A)及び(II−B)
- 第二成分の含有量が10から90質量%である請求項1から3のいずれか1項に記載の液晶組成物。
- 一般式(I)、一般式(II−A1)及び一般式(II−A2)で表される化合物を同時に含有する請求項1から6のいずれか1項に記載の液晶組成物。
- 一般式(I)、一般式(II−A1)、一般式(II−A2)及び一般式(III−A)で表される化合物を同時に含有する請求項1から6のいずれか1項に記載の液晶組成物。
- 一般式(I)、一般式(II−A1)、一般式(II−A2)、一般式(II−B1)及び一般式(III−A)で表される化合物を同時に含有する請求項1から6のいずれか1項に記載の液晶組成物。
- 一般式(I)、一般式(II−A1)、一般式(II−A2)、一般式(V)及び一般式(III−A)で表される化合物を同時に含有する請求項10に記載の液晶組成物。
- 重合性化合物を含有する請求項1から11のいずれか1項に記載の液晶組成物。
- 請求項1から13のいずれか1項に記載の液晶組成物を用いた液晶表示素子。
- 請求項1から13のいずれか1項に記載の液晶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13のいずれか1項に記載の液晶組成物を用いたVAモード、PSAモード、PSVAモード、IPSモード又はECBモード用液晶表示素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012150417 | 2012-07-04 | ||
JP2012150417 | 2012-07-04 | ||
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CN105324461A (zh) * | 2013-06-17 | 2016-02-10 | Dic株式会社 | 向列型液晶组合物及使用其的液晶显示元件 |
KR101687596B1 (ko) | 2013-09-06 | 2016-12-19 | 디아이씨 가부시끼가이샤 | 네마틱 액정 조성물 및 이를 사용한 액정 표시 소자 |
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WO2015174175A1 (ja) | 2014-05-13 | 2015-11-19 | 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 |
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US11708531B2 (en) | 2020-01-29 | 2023-07-25 | Samsung Display Co., Ltd. | Liquid crystal composition and display device having the same |
CN113667491B (zh) * | 2021-09-01 | 2024-01-19 | 重庆汉朗精工科技有限公司 | 具有负介电各向异性的液晶组合物和应用 |
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