| 摘要 |
The present invention relates to a liquid crystal display device including a particular liquid crystal composition and a cured product of a particular curable resin composition serving as a sealant.;The present invention provides a liquid crystal display device that does not suffer from a decrease in the voltage holding ratio (VHR) or increase in the ion density (ID) of the liquid crystal layer or the problem of display defects such as white spots, alignment unevenness, and image-sticking.;Since the liquid crystal display device according to the present invention does not suffer from a decrease in the voltage holding ratio (VHR) of the liquid crystal layer or display defects such as alignment unevenness and image-sticking, the liquid crystal display device is particularly useful as an active-matrix-driven liquid crystal display device such as a VA, PSVA, IPS, or FFS liquid crystal display device and can be used as a liquid crystal display device for products such as liquid crystal display televisions, monitors, cell phones, and smartphones. |
| 主权项 |
1. A liquid crystal display device comprising a first substrate, a second substrate, a liquid crystal layer comprising a liquid crystal composition between the first and second substrates, and a cured product of a thermally curable resin composition joining together the first and second substrates,
the liquid crystal composition comprising: 10% to 50% of a compound represented by general formula (I):(wherein R1 and R2 are each independently an alkyl group of 1 to 8 carbon atoms, an alkenyl group of 2 to 8 carbon atoms, an alkoxy group of 1 to 8 carbon atoms, or an alkenyloxy group of 2 to 8 carbon atoms; and A is 1,4-phenylene or trans-1,4-cyclohexylene); and
35% to 80% by weight of a compound represented by general formula (II): (wherein R3 and R4 are each independently an alkyl group of 1 to 8 carbon atoms, an alkenyl group of 2 to 8 carbon atoms, an alkoxy group of 1 to 8 carbon atoms, or an alkenyloxy group of 2 to 8 carbon atoms; Z3 and Z4 are each independently a single bond, —CH═CH—, —C≡C—, —CH2CH2—, —(CH2)4—, —COO—, —OCO—, —OCH2—, —CH2O—, —OCF2—, or —CF2O—; B and C are each independently optionally fluorinated 1,4-phenylene or trans-1,4-cyclohexylene; and m and n are each independently an integer of 0 to 4, wherein m+n=1 to 4), the curable resin composition comprising a compound containing at least one epoxy group per molecule and having a weight average molecular weight of 300 to 10,000. |
