Provided is an optical laminate produced by disposing an anti-glare layer on at least one side of a light-transmitting substrate, the anti-glare layer having a surface that has the arithmetic mean peak curvature Spc of 1.5 mm.sup.−1 or less in absolute value, the optical laminate has the adjusted transmission image clarity of 85% or less. On the anti-glare layer, further disposed is a low refractive index layer. The optical laminate including the low refractive index layer may have a luminous reflectance of 1.4 or less. The optical laminate improves the anti-glare properties.

A transparent resin substrate composed of a light-transmitting resin base sheet, and an underlying layer, a hard coat layer, and an antireflection coating formed sequentially on the base sheet. The antireflection coating includes a medium refractive index layer on the hard coat layer, and a low refractive index layer on the medium refractive index layer. The underlying layer is a cured product of a hexa- or higher functional urethane acrylate monomer. The hard coat layer is a cured product of a hard coat layer composition containing a polymerizable monomer containing 50% by mass or more of a tri- or lower functional urethane acrylate monomer, silica particles, a silane coupling agent, and a metal chelate compound. The medium refractive index layer is a cured product of a medium refractive index layer composition. The low refractive index layer is a particle-free cured product of a low refractive index layer composition.

A transparent resin substrate composed of a light-transmitting resin base sheet, and an underlying layer, a hard coat layer, and an antireflection coating formed sequentially on the base sheet. The antireflection coating includes a medium refractive index layer on the hard coat layer, and a low refractive index layer on the medium refractive index layer. The underlying layer is a cured product of a hexa- or higher functional urethane acrylate monomer. The hard coat layer is a cured product of a hard coat layer composition containing a polymerizable monomer containing 50% by mass or more of a tri- or lower functional urethane acrylate monomer, silica particles, a silane coupling agent, and a metal chelate compound. The medium refractive index layer is a cured product of a medium refractive index layer composition. The low refractive index layer is a particle-free cured product of a low refractive index layer composition.

A display device includes a display panel which displays an image, an anti-reflection film disposed on a display surface of the display panel, and a plurality of retardation films disposed on the anti-reflection film. Each of the plurality of retardation films has an in-plane retardation of about 1000 nanometers to about 7000 nanometers.

A display device includes a display panel which displays an image, an anti-reflection film disposed on a display surface of the display panel, and a plurality of retardation films disposed on the anti-reflection film. Each of the plurality of retardation films has an in-plane retardation of about 1000 nanometers to about 7000 nanometers.

Disclosed is a polymerizable liquid crystal material wherein an amount of a salt represented by the following formula (I) is less than 0.01 parts by mass per 100 parts by mass of a polymerizable liquid crystal compound, and an amount of a nitrogen-containing compound represented by the following formula (II) is 0.01 parts by mass or less per 100 parts by mass of the polymerizable liquid crystal compound. R.sup.1 to R.sup.5 each independently represent a hydrogen atom or a C1-C7 alkyl group, R.sup.6 and R.sup.7 represents a hydrogen atom, and X represents F.sup.−, Br.sup.−, Cl.sup.−, I.sup.−, HSO.sub.4.sup.−, 1/2(HPO.sub.4.sup.2−), H.sub.2PO.sub.4.sup.−, R—C(═O)—O.sup.−, 1/2(.sup.−O—(C═O)—R′—(C═O)—O.sup.−) or R—SO.sub.3.sup.−, where R represents a hydrogen atom or a monovalent hydrocarbon group, and R′ represents a single bond or a divalent hydrocarbon group. ##STR00001##

A thermoplastic composition comprising: a copolycarbonate comprising bisphenol A (BPA) carbonate units and 10-50 mol % of second carbonate units different from the BPA carbonate units; a poly(carbonate-arylate ester) copolymer comprising BPA carbonate units and 5-50 mol % of monoaryl arylate ester units; and optionally a BPA homopolycarbonate; wherein the thermoplastic composition has at least one of: a Vicat B120 softening temperature of 155° C. or greater; or a yellowness index of less than 10 on a plaque having a thickness of 3 mm and molded at a temperature of 360° C. for 5 minutes; or an increase in yellowness index of less than 5 after 600 hours of weathering per ISO 11341 on a molded plaque having a thickness of 1 mm.

A thermoplastic composition comprising: a copolycarbonate comprising bisphenol A (BPA) carbonate units and 10-50 mol % of second carbonate units different from the BPA carbonate units; a poly(carbonate-arylate ester) copolymer comprising BPA carbonate units and 5-50 mol % of monoaryl arylate ester units; and optionally a BPA homopolycarbonate; wherein the thermoplastic composition has at least one of: a Vicat B120 softening temperature of 155° C. or greater; or a yellowness index of less than 10 on a plaque having a thickness of 3 mm and molded at a temperature of 360° C. for 5 minutes; or an increase in yellowness index of less than 5 after 600 hours of weathering per ISO 11341 on a molded plaque having a thickness of 1 mm.

A display module and a display device are provided. The display module includes a display panel, and an anti-reflection film disposed on a light-emitting side of the display panel. The anti-reflection film includes a buffer layer and a function layer disposed on a side of the buffer layer away from the display panel, and a refractive index of the buffer layer is greater than a refractive index of the function layer.

The present invention relates to a low refractive layer and an anti-reflective film comprising the same. The low refractive layer can exhibit excellent optical properties such as a low reflectance and a high light transmittance, and excellent mechanical properties such as high wear resistance and scratch resistance at the same time, without adversely affecting the color of the polymer resin forming the low refractive layer. In particular, due to the excellent alkali resistance, the low refractive layer can maintain excellent physical properties even after alkali treatment. Therefore, when introducing a low refractive layer to the display device, it is expected that the production process can be simplified and further the production rate and the productivity can significantly increase.