摘要:
A novel optically-anisotropic film is disclosed. The film is formed of a composition comprising at least one discotic liquid-crystal compound having a ratio, α1, which is a ratio of birefringence at 400 nm to birefringence at 550 nm in a liquid-crystal state, of less than 1.25, in which the molecules of the liquid-crystal compound are fixed in an alignment state at a mean tilt angle ranging from 35 to 85°, wherein its in-plane retardation Re, as measured in a direction normal to a plane of the optically-anisotropic film for 550 nm wavelength light, falls within the range from 60 nm to 220 nm.
摘要:
A composition comprising at least one liquid crystal compound, and at least one polymer is disclosed. The polymer comprises a constitutional unit represented by a following formula (A) and a constitutional unit derived from a monomer having a fluoroaliphatic group(s): wherein Mp represents a trivalent group constituting fully or partially a polymer main chain; L represents a single bond or a divalent linking group; and X represents a substituted or non-substituted aromatic condensed ring group.
摘要:
A liquid crystal composition is provided and includes a liquid crystal compound a chiral agent. The liquid crystal compound has an intrinsic birefringence Δn(λ) at a wavelength λ satisfying formula (1): Δn(450 nm)/Δn(550 nm)
摘要:
A retardation plate comprising at least one optically anisotropic layer, wherein at least one of said optically anisotropic layers is formed from a composition containing a liquid crystalline compound represented by the following formula: wherein Y11, Y12 and Y13 are methine or N; L1, L2 and L3 are single bond or divalent group; H1, H2 and H3 are formula (DI-A) or (DI-B); YA1, YA2, YB1 and YB2 are methine or N; XA and XB are O, S, etc.; R1, R2 and R3 are -(-L21-Q2)n1-L22-L23-Q1; L21 is single bond or divalent group; Q2 is cyclic divalent group; n1 is 0-4; L22 is —O—, —O—CO—, etc; L23 is —O—, —S—, etc.; Q1 is polymerizable group or H.
摘要翻译:包括至少一个光学各向异性层的延迟板,其中所述光学各向异性层中的至少一个由含有由下式表示的液晶化合物的组合物形成:其中Y 11,Y > 12和Y 13是次甲基或N; L 1,L 2和L 3是单键或二价基团; H 2,H 2和H 3是式(DI-A)或(DI-B); YA 1,YA 2,YB 1和Y B 2是次甲基或N; XA和XB为O,S等; R 1,R 2,R 3和R 3是 - ( - L 21) - Q 2, 0≤L≤0.2,其中n≥0≤0.2,其中, L 21是单键或二价基团; Q 2是环状二价基团; n1为0-4; L 22是-O-,-O-CO-等; L 23是-O-,-S-等; Q 1是可聚合基团或H.
摘要:
To provide a liquid crystalline compound capable of exhibiting a biaxial liquid crystal phase, provide a trifunctional or greater functional polymerizable liquid crystalline compound having polymerizable groups, and also to provide a liquid crystalline composition and a retardation film which are using the liquid crystalline compound, a compound and a liquid crystalline compound each are represented by formula (I) defined in the specification; a liquid crystalline composition contains the compound; and a retardation film has an optically anisotropic layer formed from the compound.
摘要:
To provide a liquid crystalline composition, which can be obtained by mixing a plurality of liquid crystalline compositions each of which can exhibit different liquid crystal phases from one another, being capable of exhibiting a biaxial liquid crystal phase, a liquid crystalline composition contains a liquid crystalline composition R which exhibits a liquid crystal phase having a positive birefringence; and a liquid crystalline composition D which exhibits a liquid crystal phase having a negative birefringence, in which the liquid crystalline composition R comprises a compound having a rectangular plate-like shape.
摘要:
A lyotropic liquid crystal composition comprises silver halide grains, silver grains or optically anisotropic grains dispersed in lyotropic liquid crystal. The grains have an aspect ratio of not less than 2.
摘要:
An optical compensatory sheet comprises an optically anisotropic layer formed of discotic liquid crystal molecules provided on a transparent substrate. The liquid crystal molecules are horizontally aligned in the optically anisotropic layer. An average inclined angle between discotic planes of the discotic liquid crystal molecules and a surface of the transparent substrate is less than 5°. The discotic liquid crystal molecules are fixed in the optically anisotropic layer while keeping the horizontal alignment.
摘要:
There is provided a semiconductor device and a lead frame in which the cross section of bent portions (5a, 5b) of a gull wing type external lead (3) having a plurality of bent portions (5a, 5b) is arranged so that the width of bended inside is formed wider than that of the outside. By forming the external lead (3) in this manner, the external lead (3) of the lead frame is stably formed, and when the semiconductor device is mounted on a printed circuit board (9), a solder fillet is sufficiently formed about the bent portion (5b), and the connecting reliability can be made increased.
摘要:
A retardation plate comprising at least one optically anisotropic layer, wherein at least one of said optically anisotropic layers is formed from a composition containing a liquid crystalline compound represented by the following formula: wherein Y11, Y12 and Y13 are methine or N; L1, L2 and L3 are single bond or divalent group; H1, H2 and H3 are formula (DI-A) or (DI-B); YA1, YA2, YB1 and YB2 are methine or N; XA and XB are O, S, etc.; R1, R2 and R3 are -(-L21-Q2)n1-L22-L23-Q1; L21 is single bond or divalent group; Q2 is cyclic divalent group; n1 is 0-4; L22 is —O—, —O—CO—, etc; L23 is —O—, —S—, etc.; Q1 is polymerizable group or H.