A light absorption anisotropic film, an optical film, and a liquid crystal display device, with less defects and a high alignment degree even when the concentration of a dichroic substance is increased. The light absorption anisotropic film is formed of a liquid crystal composition containing a liquid crystal compound, a dichroic substance represented by Formula (C-1), a dichroic substance represented by Formula (C-2), in which a total content of the dichroic substances represented by Formula (C-1) and Formula (C-2) is 4.5% by mass or greater with respect to a total mass of a solid content of the liquid crystal composition, and the liquid crystal compound is vertically aligned. When R.sup.a1 and R.sup.a2 represent the same group, —N(R.sup.b11)(R.sup.b12) and —N(R.sup.b21)(R.sup.b22) are groups different from each other. When R.sup.a1 and R.sup.a2 represent different groups, —N(R.sup.b11)(R.sup.b12) and —N(R.sup.b21)(R.sup.b22) may be groups that are the same as or different from each other.

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Disclosed are a polarizer, a method for manufacturing the same, and a display device. The polarizer includes an optical retardation layer and a linear polarization layer which are laminated, wherein the optical retardation layer includes at least two types of retardation regions for performing phase retardation on incident light, a phase retardation amount of each type of retardation region including a quarter of a wavelength of light of one color, and the phase retardation amounts of the at least two types of retardation regions including quarters of wavelengths of light of at least two different colors. The present disclosure is favorable to improving the color cast of the display device.

An object of the present invention is to provide a polymerizable liquid crystal composition used for formation of an optically anisotropic film having excellent moisture-heat resistance and an excellent surface condition, an optically anisotropic film, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition of an embodiment of the present invention is a polymerizable liquid crystal composition containing a polymerizable liquid crystal compound and a compound represented by Formula (1): L.sup.1-SP.sup.1-(E.sup.3-A.sup.1).sub.m-E.sup.1-G.sup.1-C(═O)—O—C(═O)-G.sup.2-E.sup.2-(A.sup.2-E.sup.4).sub.n-SP.sup.2-L.sup.2, in which a content of the compound represented by Formula (1) is 0.01 to 5 parts by mass with respect to 100 parts by mass of the polymerizable liquid crystal compound.

An embodiment relates to an optical polyester film. The optical polyester film according to one embodiment can minimize the difference between the orientation angle at the center and the orientation angle at the end of the film while producing a difference between the tensile strengths in the lengthwise/widthwise directions of the film, thereby increasing mechanical strength and brightness and suppressing the occurrence of polarization Mura defects. Further, the optical polyester film employs a single layer film, and thus is more easily processed and has a slimmer thickness. Therefore, the optical polyester film can be usefully applied to small-sized thin film display devices and, specifically, can be favorably used as a substrate material of a prism sheet or a polarized reflection sheet.

An optical film includes a block copolymer film defining a plurality of helically shaped cavities and a plurality of helically shaped organic solid crystals positioned within the plurality of helically shaped cavities. A method of making the optical film includes obtaining a film of a block copolymer solution including a chiral block copolymer and a non-chiral block copolymer on a substrate. The method includes annealing the film, thereby forming a plurality of helical structures from the chiral block copolymer defined within the non-chiral block copolymer and removing the plurality of helical structures, thereby creating a plurality of helically shaped cavities. The method further includes forming organic solid crystals inside the plurality of helically shaped cavities, thereby forming the optical film.

Provided is a polarizer having a high degree of alignment and an image display device including the polarizer. The polarizer is formed of a polarizer-forming composition containing a polymer liquid crystal compound and a dichroic material, in which the polymer liquid crystal compound is a thermotropic liquid crystal and a crystalline polymer, and the polymer liquid crystal compound and the dichroic material are horizontally aligned.

The present disclosure provides a display device and a method for manufacturing the same. The display device includes: a display panel; and polarizing structures and light absorbing structures located on a light emitting side of the display panel. A plurality of groove structures are formed between the polarizing structures, and each of the light absorbing structures is located in the groove structures.

A liquid crystal retardation film, a polarizing plate for light emitting displays including the same, and a light emitting display including the same are provided. The liquid crystal retardation film includes: a first retardation layer having no alignment layer, a UV absorbent primer layer, and a second retardation layer sequentially formed in the stated order, wherein each of the first retardation layer and the second retardation layer may be a liquid crystal layer.

A touch sensor panel includes a base layer, a touch sensor layer, and a first insulating layer in this order. The touch sensor layer includes a patterned conductive layer. A water vapor transmission rate Pc of the base layer at a temperature of 40° C. and a humidity of 90% RH is not higher than 900 g/(m.sup.2•24 hr). A water vapor transmission rate Pa of the first insulating layer at a temperature of 40° C. and a humidity of 90% RH is not higher than 900 g/(m.sup.2•24 hr).

The present invention provides a light absorption anisotropic film excellent in adhesiveness to an adjacent layer, and a laminate and an image display device, in which the light absorption anisotropic film is used. The light absorption anisotropic film is formed from a liquid crystal composition that contains a high-molecular weight liquid crystal compound and a dichroic substance, and is a light absorption anisotropic film in which regarding a signal derived from the dichroic substance detected by a time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax in a thickness direction of a film and an intensity Isur on at least one surface of the film satisfies Expression (I-1) 2≤Imax/Isur.