| Patent application number | Description | Published |
|---|
| 20080230746 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific compound having negatively large dielectric anisotropy, and the second component is a specific two-ring compound having especially small viscosity, and a liquid crystal display device including the composition. | 09-25-2008 |
| 20080303001 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The invention is to provide a liquid crystal composition that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light, a high stability to heat and so forth. A liquid crystal composition having a negative dielectric anisotropy comprising two components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1-1) and formula (1-2), and the second component is at least one compound selected from the group of compounds represented by formula (2-1) and formula (2-2): | 12-11-2008 |
| 20090032771 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition having a negative dielectric anisotropy that includes two components, wherein the first component is at least one compound selected from the group consisting of compounds represented by formula (1), and the second component is at least one compound selected from the group consisting of compounds represented by formula (2): | 02-05-2009 |
| 20090065739 | LIQUID CRYSTAL COMPOUND HAVING CHLORONAPHTHALENE MOIETY, LIQUID CRYSTAL COMPOSITION, AND OPTICAL DEVICE - A compound represented by formula (1): | 03-12-2009 |
| 20090091703 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific tricyclic compound having a large optical anisotropy as the first component and a specific tetracyclic compound having a large dielectric anisotropy as the second component, and may contain a specific bicyclic compound having a particularly small viscosity as the third component. The liquid crystal composition has a nematic phase. The liquid crystal display device contains the liquid crystal composition. | 04-09-2009 |
| 20090147210 | Liquid crystal composition and liquid crystal display device - A liquid crystal composition having a nematic phase that includes two components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1), and the second component is at least one compound selected from the group of compounds represented by formula (2): | 06-11-2009 |
| 20090237610 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition having a nematic phase that includes two components, wherein the first component is at least one compound selected from the group of compounds represented by formulas (1-1) to (1-3), and the second component is at least one compound selected from the group of compounds represented by formula (2): | 09-24-2009 |
| 20090256114 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition having a nematic phase comprising two components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1), and the second component is at least one compound selected from the group of compounds represented by formula (2), and the third component is at least one compound selected from the group of compounds represented by formula (3): | 10-15-2009 |
| 20090278089 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having especially negatively large dielectric anisotropy as the first component,a specific bicyclic compound having a small viscosity as the second component, a specific compound having a high maximum temperature as the third component, a specific compound having a negatively large dielectric anisotropy, a low minimum temperature as the fourth component. The liquid crystal composition has a negative dielectric anisotropy. The liquid crystal display device contains the liquid crystal composition. | 11-12-2009 |
| 20090314988 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific five-membered ring compound having a large maximum temperature and a large dielectric anisotropy and the second component is a specific compound having a small viscosity, and a liquid crystal display device containing the composition. | 12-24-2009 |
| 20090321683 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition having a nematic phase contains a specific five-ring compound having a large maximum temperature as the first component, a specific compound having a small viscosity as the second component, and a specific four-ring compound having a high maximum temperature as the third component. The liquid crystal display device contains the liquid crystal composition. | 12-31-2009 |
| 20100051865 | Liquid Crystal Composition and Liquid Crystal Display Device - A liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific four-membered ring compound having a large maximum temperature, and the second component is a specific four-membered ring compound having a large dielectric anisotropy and a large optical anisotropy, and a liquid crystal display device containing the composition. | 03-04-2010 |
| 20100060843 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is described, which satisfies at least one characteristic among high maximum temperature of a nematic phase, low minimum temperature of a nematic phase, small viscosity, large optical anisotropy, large dielectric anisotropy, large specific resistance, high stability to ultraviolet light, high stability to heat and so on, or is properly balanced regarding at least two of the characteristics. To provide an AM device having short response time, large voltage holding ratio, large contrast ratio, long service life and so forth, the liquid crystal composition has a nematic phase and contains a specific three-ring compound having a large optical anisotropy as a first component, a specific four-ring compound having a large dielectric anisotropy as a second component, and a specific two-ring compound having a particularly small viscosity as a third component. A liquid crystal display device containing the liquid crystal composition is also described. | 03-11-2010 |
| 20100243957 | Liquid Crystal Composition and Liquid Crystal Display Device - The invention provides a liquid crystal composition that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light, and a high stability to heat, or provides a liquid crystal composition that is properly balanced regarding at least two characteristics. The invention provides an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. A liquid crystal display device contains the liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific compound having a large optical anisotropy and a large dielectric anisotropy and the second component is a specific compound having a small viscosity or a large maximum temperature. The liquid crystal display device contains the composition. | 09-30-2010 |
| 20100272926 | Liquid Crystal Composition and Liquid Crystal Display Device - The invention provides a liquid crystal composition that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light, and a high stability to heat, or provides a liquid crystal composition that is properly balanced regarding at least two characteristics. The invention provides an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. | 10-28-2010 |
| 20100272927 | Liquid Crystal Composition and Liquid Crystal Display Device - The subject is to provide a liquid crystal composition that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least the two characteristics. It is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. | 10-28-2010 |
| 20100294991 | Liquid Crystal Composition and Liquid Crystal Display Device - The invention provides a liquid crystal composition that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light, and a high stability to heat, or that is suitably balanced regarding two or more characteristics. The invention provides an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. A liquid crystal display device contains the liquid crystal composition having a nematic phase that includes two components, wherein the first component is a specific compound having a large optical anisotropy and a large dielectric anisotropy and the second component is a specific compound having a small viscosity or a large maximum temperature. The liquid crystal display device contains the composition. | 11-25-2010 |
| 20100302498 | Liquid Crystal Composition and Liquid Crystal Display Device - Subject The invention is to provide a liquid crystal composition that satisfies at least one characteristic among characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics. The invention is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. | 12-02-2010 |
| 20100308266 | Liquid Crystal Composition and Liquid Crystal Display Device - Subject The subject is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of the nematic phase, a low minimum temperature of the nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light, a high stability to heat and a short helical pitch, or that is suitably balanced regarding at least two of the characteristics. The subject is also to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life, a little light-leak and so forth. | 12-09-2010 |
| 20110032468 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided that satisfies at least one of the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition having a negative dielectric anisotropy contains a first component having especially negatively large dielectric, a second component having a large negative dielectric anisotropy and a low minimum temperature, a third component having a high maximum temperature or a small viscosity. The liquid crystal display device contains the liquid crystal composition. | 02-10-2011 |
| 20110062383 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed are: a liquid crystal composition which satisfies at least one property selected from a high upper limit temperature in a nematic phase, a low lower limit temperature in a nematic phase, a low viscosity, high optical anisotropy, high dielectric anisotropy, a high specific resistance, high stability against ultraviolet ray, high stability against heat and the like or has a proper balance between at least two properties selected from the above-mentioned properties; and an AM element having a short response time, a high voltage holding ratio, a high contrast ratio, a long service life and the like. Specifically disclosed are: a liquid crystal composition which comprises a specific pentacyclic compound having high optical anisotropy and high dielectric anisotropy as the first component, a specific compound having a low viscosity as the second component, and a specific tetracyclic compound having a high upper limit temperature as the third component, and which shows a nematic phase; and a liquid crystal display element comprising the composition. | 03-17-2011 |
| 20110095228 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The invention is to provide a liquid crystal composition that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced concerning at least two characteristics. The invention is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The invention is to provide a liquid crystal composition having a nematic phase that contains a specific five-membered ring compound having a large optical anisotropy and a large dielectric anisotropy as a first component and a specific compound having a small viscosity as a second component, and a liquid crystal display device containing the composition. | 04-28-2011 |
| 20110109867 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics. The crystal liquid display device using the composition is suitable for an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, and can be used for a liquid crystal projector, a liquid crystal television and so forth. | 05-12-2011 |
| 20110116031 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a low viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life, and so forth. The liquid crystal composition has a nematic phase, wherein the first component contains a specific five rings compound having a large optical anisotropy and a large dielectric anisotropy, the second component contains a specific compound having a low viscosity. The liquid crystal display device contains the liquid crystal composition having a nematic phase and the composition thereof. | 05-19-2011 |
| 20110133123 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The subject is to provide a liquid crystal composition that satisfies at least one characteristic of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding two characteristics thereof The subject is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. | 06-09-2011 |
| 20110140040 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics; and is to provide a AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth, wherein the liquid crystal composition has negative dielectric anisotropy and includes a two-ring compound having a large negative dielectric anisotropy and having at least three fluorines at the lateral positions as a first component, a specific two-ring or three-ring compound having a pyran ring as a second component, a specific compound having a small viscosity as a third component and a specific compound having a large negative dielectric anisotropy as a fourth component, and the liquid crystal display device contains this composition. | 06-16-2011 |
| 20110147658 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The subject is to provide a liquid crystal composition that satisfies at least one characteristic of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding two characteristics thereof. The subject is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. | 06-23-2011 |
| 20110149226 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a suitable optical anisotropy, negatively large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. | 06-23-2011 |
| 20110149227 | LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE - The invention is to provide a liquid crystal composition that satisfies at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or that is suitably balanced regarding at least two of the characteristics. The invention is to provide an AM device that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. | 06-23-2011 |
