TWI675906B - 液晶化合物及含有其之液晶組成物 - Google Patents
液晶化合物及含有其之液晶組成物 Download PDFInfo
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- C09K2019/181—Ph-C≡C-Ph
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Claims (10)
- 一種液晶化合物,是由下式I所示:於式I中,R1及R2各自獨立地表示F、Cl、H、C1~C15直鏈烷基、C3~C15支鏈烷基、C1~C15直鏈烷氧基或C3~C15支鏈烷氧基,該烷基或該烷氧基中的一個或多個CH2可選擇地被-C≡C-、-CH=CH-、-CF2O-、-O-、-COO-、-OCO-或-OOC-所取代,以及該烷基或該烷氧基中的一個或多個H可選擇地被鹵素原子所取代;R3表示C1~C8直鏈烷基或C3~C8支鏈烷基;環A1表示1,4-伸苯基或1,4-伸環己基;環A2表示1,4-伸苯基、1,4-伸環己基、2-氟-1,4-伸苯基、3-氟-1,4-伸苯基、2,6-二氟-1,4-伸苯基、3,5-二氟-1,4-伸苯基、2,3-二氟-1,4-伸苯基、1,3-伸環戊基、1,3-伸環丁基、吡啶-2,5-二基、嘧啶-2,5-二基、苯并呋喃-2,5-二基、1,3-二噁烷-2,5-二基、或四氫吡喃-2,5-二基;環A3表示1,4-伸環己基、3,5-二氟-1,4-伸苯基或苯并呋喃-2,5-二基;Z1及Z2各自獨立地表示單鍵、-CH2-CH2-、-C≡C-、-CH=CH-、-CF2O-、-OCF2-、-CH2O-、-OCH2-、-COO-、-OCO-、-OOC-、-CF2-CF2-、或-CF=CF-;n表示0至4之整數,當n表示2、3或4時,該等環A2為相同或不同;其條件是環A3表示1,4-伸環己基或苯并呋喃-2,5-二基時,環A2為2-氟-1,4-伸苯基、3-氟-1,4-伸苯基、2,6-二氟-1,4-伸苯基、3,5-二氟-1,4-伸苯基、或2,3-二氟-1,4-伸苯基;及當Z2為-CF2O-且環A3為3,5-二氟-1,4-伸苯基時,n為2且為。
- 如請求項1所述的液晶化合物,其中,該R3為甲基。
- 如請求項1或2所述的液晶化合物,其中,該Z1為單鍵。
- 如請求項3所述的液晶化合物,其中,該Z2為單鍵或-CF2O-。
- 如請求項1所述的液晶化合物,其中,該式I是選自於式I-2、式I-5或式I-8:
- 如請求項5所述的液晶化合物,其中,該式I-2、式I-5及式I-8中的R3為甲基。
- 如請求項5所述的液晶化合物,其中,該式I-2、式I-5及式I-8中的R1為C1~C5直鏈烷基或C3~C5支鏈烷基,以及R2為F、C1~C5直鏈烷基、C3~C5支鏈烷基、C1~C5直鏈烷氧基或C3~C5支鏈烷氧基。
- 一種液晶組成物,包含至少一種如請求項1至7中任一項所述之液晶化合物。
- 如請求項8所述之液晶組成物,還包含至少一種由下式(II)所示之液晶化合物:於式II中,R4及R5各自獨立地表示H、鹵素原子、C1-C15直鏈烷基、C3-C15支鏈烷基、C2-C15直鏈烯基或C4-C15支鏈烯基,其中C1-C15直鏈烷基、C3-C15支鏈烷基、C2-C15直鏈烯基或C4-C15支鏈烯基為未經取代或其中至少一個氫原子被鹵素原子取代及/或至少一個-CH2-被-O-取代,且-O-不與-O-直接相連;A4、A5及A6各自獨立地表示1,4-伸苯基、1,4-伸環己基、苯并呋喃-2,5-二基、1,3-二噁烷-2,5-二基、四氫吡喃-2,5-二基、二價二氧雜-雙環[2.2.2]辛烷官能基、二價三氧雜-雙環[2.2.2]辛烷官能基或茚滿-2,5-二基,除了1,4-伸環己基外,上述其餘基團為未經取代或其中至少一個H被F取代;另外,茚滿-2,5-二基可為未經取代或其中至少一個氫原子被鹵素原子或CN取代、及/或至少一個-CH2-被-O-、-N-或-S-取代,且其中-O-、-N-及-S-取代原子彼此不直接相連;Z3及Z4各自獨立地表示單鍵、C1-C4伸烷基、C2-C4伸烯基、C2-C4伸炔基,且其中C1-C4伸烷基、C2-C4伸烯基或C2-C4伸炔基為未經取代或其中至少一個氫原子被CN取代、及/或至少一個-CH2-被-O-或-S-取代,且-O-不與-O-或-S-直接相連、-S-不與-S-直接相連;以及n1為0、1或2;當n1為2時,兩個A4可為相同或不同。
- 如請求項8所述之液晶組成物,還包含至少一種由下式(III)所示之液晶化合物:於式III中,R7表示F、Cl、-CH3、-CF3、-OCH=CF2或-OCF3;R6表示H、C1-C10直鏈烷基、C3-C10支鏈烷基、C2-C10直鏈烯基或C4-C10支鏈烯基,其中C1-C10直鏈烷基、C3-C10支鏈烷基、C2-C10直鏈烯基或C4-C10支鏈烯基為未經取代或其中至少一個-CH2-被-O-、-S-、-CO-、-O-CO-、-CO-O-或-O-CO-O-取代且其中-O-、-S-、-CO-、-O-CO-、-CO-O-及-O-CO-O-取代基彼此不直接相連、及/或至少一個氫原子被鹵素原子、CN或CF3取代;A7、A8、A9及A10各自獨立地表示1,4-伸苯基、1,4-伸環己基、四氫吡喃-2,5-二基、二價二氧雜-雙環[2.2.2]辛烷官能基、二價三氧雜-雙環[2.2.2]辛烷官能基或茚滿-2,5-二基,且其中1,4-伸苯基、1,4-伸環己基或茚滿-2,5-二基為未經取代或其中至少一個氫原子被鹵素原子或CN取代、及/或至少一個-CH2-被-O-、-N-或-S-取代,且其中-O-、-N-及-S-取代原子彼此不直接相連;Z5、Z6及Z7各自獨立為單鍵、C1-C4伸烷基、C2-C4伸烯基、C2-C4伸炔基、-CO-O-、-O-CO-,且其中C1-C4伸烷基、C2-C4伸烯基或C2-C4伸炔基為未經取代或其中至少一個氫原子被鹵素原子取代、及/或至少一個-CH2-被-O-或-S-取代,且其中-O-不與-O-或-S-直接相連、-S-不與-S-直接相連;其條件是Z5、Z6及Z7中至少一個為-CF2-O-或-O-CF2-;以及n2、n3、n4與n5各自獨立為0、1、2或3的整數,且n2+n3+n4+n5≧3;當n2、n3、n4或n5分別為2或3時,該等A7、A8、A9或A10分別為相同或不同。
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TW107108697A TWI675906B (zh) | 2018-03-14 | 2018-03-14 | 液晶化合物及含有其之液晶組成物 |
CN201910116198.2A CN110272746A (zh) | 2018-03-14 | 2019-02-15 | 液晶化合物及含有其的液晶组合物 |
US16/298,073 US20190284475A1 (en) | 2018-03-14 | 2019-03-11 | Liquid crystal compound and a liquid crystal composition including the same |
JP2019045194A JP2019156840A (ja) | 2018-03-14 | 2019-03-12 | 液晶化合物及びそれを含む液晶組成物 |
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Citations (4)
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TW201621033A (zh) * | 2014-11-12 | 2016-06-16 | 捷恩智股份有限公司 | 液晶組成物、液晶組成物的用途及液晶顯示元件 |
KR20170073231A (ko) * | 2015-12-18 | 2017-06-28 | 주식회사 동진쎄미켐 | 액정 화합물, 상기 액정 화합물을 포함하는 액정 조성물, 및 상기 액정 조성물을 포함하는 액정 표시 장치 |
KR20170080150A (ko) * | 2015-12-31 | 2017-07-10 | 주식회사 동진쎄미켐 | 액정 화합물 및 이를 포함하는 액정 조성물 |
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CN106146250B (zh) * | 2015-05-22 | 2019-04-16 | 北京八亿时空液晶科技股份有限公司 | 一种液晶化合物、组合物及其应用 |
KR20170000052A (ko) * | 2015-06-22 | 2017-01-02 | 삼성디스플레이 주식회사 | 화합물, 이를 포함하는 액정 조성물 및 이를 포함하는 액정 표시 장치 |
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CN104345488A (zh) * | 2013-08-02 | 2015-02-11 | 江苏和成显示科技股份有限公司 | 液晶显示器件 |
TW201621033A (zh) * | 2014-11-12 | 2016-06-16 | 捷恩智股份有限公司 | 液晶組成物、液晶組成物的用途及液晶顯示元件 |
KR20170073231A (ko) * | 2015-12-18 | 2017-06-28 | 주식회사 동진쎄미켐 | 액정 화합물, 상기 액정 화합물을 포함하는 액정 조성물, 및 상기 액정 조성물을 포함하는 액정 표시 장치 |
KR20170080150A (ko) * | 2015-12-31 | 2017-07-10 | 주식회사 동진쎄미켐 | 액정 화합물 및 이를 포함하는 액정 조성물 |
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US20190284475A1 (en) | 2019-09-19 |
JP2019156840A (ja) | 2019-09-19 |
CN110272746A (zh) | 2019-09-24 |
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