G02F2413/13

3D GLASSES, OPTICAL DEVICE, AND THREE-DIMENSIONAL IMAGE DISPLAY DEVICE
20230333402 · 2023-10-19 ·

Provided are 3D glasses capable of reducing crosstalk when disposed on the viewer side of a liquid crystal panel that is time-divisionally driven; an optical device including the 3D glasses; and a three-dimensional image display device including the optical device. The 3D glasses include a right-eye polarizer and a left-eye polarizer, the right-eye polarizer and the left-eye polarizer each including a polarizing plate and a first λ/4 plate, at least one of the right-eye polarizer or the left-eye polarizer including a phase difference layer on or behind a back surface side of the polarizing plate, wherein a phase difference introduced by the right-eye polarizer in a thickness direction at a wavelength of 550 nm is different from a phase difference introduced by the left-eye polarizer in the thickness direction at a wavelength of 550 nm.

Retardation film, polarizing plate comprising same, and liquid crystal display device comprising same

The present application relates to a retardation film including a composition or a cured product thereof, the composition comprising: an acrylate-based resin having a glass transition temperature (Tg) of 120° C.; or more; a retardation adjusting agent comprising a styrene monomer; and a triazine-based birefringence adjusting agent, in which the triazine-based birefringence adjusting agent is included in an amount of more than 5 parts by weight and 15 parts by weight or less, based on 100 parts by weight of the acrylate-based resin; a polarizing plate comprising the same, and a liquid crystal display device comprising the same.

DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND DISPLAY APPARATUS
20220252942 · 2022-08-11 ·

A display panel, including an array substrate and an opposite substrate that are arranged opposite to each other, and a liquid crystal layer. A color filter layer and a compensation layer are provided on the array substrate or the opposite substrate; the color filter layer includes n color filter units that are periodically arranged; the compensation layer includes n compensation units; and the ith compensation unit is configured to enable the sum of the phase retardation of the light of an ith color passing through the ith compensation unit and the phase retardation of the light of the ith color passing through the liquid crystal layer is an integer multiple of the wavelength of the light of the ith color. Further disclosed are a display apparatus including the display panel, and a manufacturing method for the display panel.

Broadband optical device including liquid crystal polymer films

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.

DISPLAY PANEL AND METHOD FOR PREPARING SAME, AND DISPLAY APPARATUS
20220260878 · 2022-08-18 ·

Provided are a display panel and a method for preparing same, and a display apparatus. The display panel includes an array substrate and an opposite substrate, which are oppositely arranged, and a liquid crystal layer, which is arranged between the array substrate and the opposite substrate, wherein a compensation layer is arranged on the array substrate or the opposite substrate, and an included angle between an optical axis direction of the compensation layer and an initial optical axis direction of liquid crystal molecules in the liquid crystal layer is less than or equal to 10 degrees; dispersion characteristics of the liquid crystal layer and the compensation layer are the opposite of each other.

Laminate and liquid crystal display device comprising same

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.

OPTICAL LAMINATE AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME

An optical laminate and an optical display apparatus including the same are provided. An optical laminate includes: a polarizer; and a first protective layer and a retardation layer stacked on a light incidence surface of the polarizer, the retardation layer including at least a positive C layer, and a laminate of the first protective layer and the retardation layer having a photoelastic coefficient of about 2×10.sup.−13 cm.sup.2/dyne or less and a modulus of about 2,000 MPa to about 4,000 MPa, as measured in an absorption axis direction of the polarizer in the optical laminate.

Liquid crystal reflective polarizer and pancake lens assembly having the same

An optical device is provided. The optical device includes a first optical element configured to output an elliptically polarized light having one or more predetermined polarization ellipse parameters. The optical device also includes a second optical element including a birefringent material with a chirality, and configured to receive the elliptically polarized light from the first optical element and reflect the elliptically polarized light as a circularly polarized light.

Liquid crystal display device

The present invention provides a liquid crystal display device of a transverse electric field mode that may inhibit internal reflection and realize proper black display to which coloring does not occur. The present invention provides a liquid crystal display device including a first linear polarizer, a first λ/4 retardation layer, a first substrate, a second λ/4 retardation layer configured with a different material from the first λ/4 retardation layer, a liquid crystal layer that contains liquid crystals which are horizontally aligned in a case where no voltage is applied, plural electrode pairs that generate a transverse electric field in the liquid crystal layer by a voltage being applied, a second substrate, a second linear polarizer, and a backlight. In a case where a color of light emitted from the backlight is expressed by using chromaticity coordinates (x, y) of an XYZ color system, both of x and y are 0.32 or greater. The plural electrode pairs include a red electrode pair arranged in a red sub-pixel, a green electrode pair arranged in a green sub-pixel, and a blue electrode pair arranged in a blue sub-pixel. A white display applied voltage of the blue electrode pair is different from the white display applied voltage of the red electrode pair and the white display applied voltage of the green electrode pair.

Horizontal electric field type display panel, method of manufacturing the same, and display device

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.