This application relates to a laminate comprising: a first half wave plate; a second half wave plate; and a positive C plate provided between the first half wave plate and the second half wave plate and a liquid crystal display comprising the same.

A liquid crystal display panel of the present invention includes, sequentially from the viewer side: a first linearly polarizing plate; a first /4-wavelength layer; a first substrate including a color filter, a black matrix, and a second /4-wavelength layer; a liquid crystal layer; a second substrate; and a second linearly polarizing plate, the liquid crystal display panel further including a sealing material disposed so as to surround the liquid crystal layer in a plan view, wherein the second /4-wavelength layer is disposed closer to the liquid crystal layer than the color filter and the black matrix are and such that an outer edge of the second /4-wavelength layer lies inside an arrangement region of the sealing material, and the first /4-wavelength layer and the second /4-wavelength layer are disposed such that their slow axes are perpendicular to each other.

This application relates to a liquid crystal display which comprises: an upper polarizer; a lower polarizer; and a liquid crystal panel provided between the upper polarizer and the lower polarizer, in which the upper polarizer and the lower polarizer are provided so that absorption axes of the upper and lower polarizers are parallel to each other, a first half wave plate, a positive C plate, and a second half wave plate are sequentially comprised between the upper polarizer and the liquid crystal panel, and the liquid crystal panel is a vertical alignment liquid crystal mode.

An optical waveplate is provided. The optical waveplate includes a positive-C film including a first liquid crystal (LC) layer. Tilt angles of LC molecules vary along a thickness direction of the first LC layer. The optical wave also includes an LC cell disposed at a first side of the positive-C film and including a second LC layer aligned in an optically compensated bend (OCB) mode. The optical waveplate also includes a positive-A film disposed at a second side of the positive-C film. The optical waveplate further includes a negative biaxial retardation film disposed between the positive-A film and the positive-C film. The LC cell is switchable between at least two predetermined states.

This application relates to a laminate which comprises: a first polarization rotation layer; a second polarization rotation layer; and a positive C plate provided between the first polarization rotation layer and the second polarization rotation layer, the first polarization rotation layer comprises a first quarter wave plate, and the second polarization rotation layer comprises a first three-quarter wave plate and a liquid crystal display comprising the same.

This application relates to a laminate comprising: a first half wave plate; a second half wave plate; and a positive C plate provided between the first half wave plate and the second half wave plate and a liquid crystal display comprising the same.

A liquid crystal display device includes an array substrate on which a plurality of thin film transistors are arranged, a counter substrate arranged to face the array substrate, a liquid crystal layer interposed between the array substrate and the counter substrate, and a liquid crystal panel of a transverse field system in which liquid crystal is driven by an electric field generated in a direction parallel to the array substrate and the counter substrate. The liquid crystal panel includes a first alignment film provided on the array substrate side, and a second alignment film provided on the counter substrate side. The first and second alignment films have photo-alignment properties. At least one of the first and second alignment films has a surface on which weak rubbing treatment is performed, of which pushing amount of the rubbing roller in the rubbing treatment is in the range of 0.01 to 0.30 mm.

A horizontal electric field type display panel, a method of manufacturing the same, and a display device are provided in embodiments of the disclosure, the horizontal electric field type display panel including: a first substrate and a second substrate arranged opposite to each other; a liquid crystal layer between the first substrate and the second substrate; and a first compensation film layer between the first substrate and the second substrate, wherein the first compensation film layer is configured to compensate for a phase delay of an axial light in a condition that the display panel is subjected to a non-uniform external force.

An optical waveplate is provided. The optical waveplate includes a first birefringent film including optically anisotropic molecules arranged to form a first twist structure. The optical waveplate also includes a second birefringent film including optically anisotropic molecules arranged to form a second twist structure, the second birefringent film being stacked with the first birefringent film. The optically anisotropic molecules at a first portion of the first birefringent film adjacent an interface between the first birefringent film and the second birefringent film are configured with a first azimuthal angle. The optically anisotropic molecules at a second portion of the second birefringent film adjacent the interface are configured with a second azimuthal angle. The first azimuthal angle is substantially the same as the second azimuthal angle.

An optical waveplate is provided. The optical waveplate includes a positive-C film including a first liquid crystal (LC) layer. Tilt angles of LC molecules vary along a thickness direction of the first LC layer. The optical wave also includes an LC cell disposed at a first side of the positive-C film and including a second LC layer aligned in an optically compensated bend (OCB) mode. The optical waveplate also includes a positive-A film disposed at a second side of the positive-C film. The optical waveplate further includes a negative biaxial retardation film disposed between the positive-A film and the positive-C film. The LC cell is switchable between at least two predetermined states.