G02F1/133531

Liquid crystal composition, method for producing high-molecular weight liquid crystal compound, light absorption anisotropic film, laminate, and image display device
11697770 · 2023-07-11 · ·

The present invention provides a liquid crystal composition with which a light absorption anisotropic film excellent in plane shape uniformity with a high alignment degree can be formed, a method of producing same, a light absorption anisotropic film, a laminate, and an image display device. The liquid crystal composition contains a high-molecular weight liquid crystal compound, and a dichroic substance, where the composition is a copolymer containing 90% by mass or more of a repeating unit (1) of Formula (1) and 10% by mass or less of a repeating unit (2) of Formula (2). In Formulae (1) and (2), P1 to P3 represent main chains, L1 to L3 represent a single bond or divalent linking group, P2 to SP3 represent a single bond or spacer group (SP1), M1 to M3 represent mesogenic groups, T1 represents a terminal group, and n and m are integers of 0 or 1. ##STR00001##

Liquid crystal display apparatus comprising a light scattering film having a functional layer containing light scattering particles

A liquid crystal display apparatus, includes: a light-condensing backlight unit; a liquid crystal panel including a first linear polarizer and a second linear polarizer; a light scattering film facing the second linear polarizer; and a third linear polarizer facing the light scattering film. The light scattering film includes a functional layer including an organic polymer compound and light scattering particles. The functional layer includes a particle layer in which a fraction of 60% by volume to 100% by volume of the light scattering particles included in the functional layer expands along a surface of the particle layer at which the light output from the liquid crystal panel is received, and the particle layer is concentrated to a region having a thickness of 1 to 80% of a total thickness of the functional layer, in a direction perpendicular to the contact surface.

DISPLAY DEVICE

A display device for switching a viewing angle, can include a display panel, a polarizing plate disposed on the display panel, a light path control cell disposed on the polarizing plate and including a liquid crystal layer, and a light path conversion film disposed on the light path control cell and including a plurality of molecules including a polarization alignment dye. An absorption axis of the polarizing plate can be substantially perpendicular to an absorption axis of the light path conversion film. The display device can switch to a shared mode or a shielding mode depending on whether or not a voltage is applied to the light path control cell, thereby providing the display device that switches its viewing angle effectively.

DISPLAY DEVICE

The present disclosure relates to a display device, and according to an aspect of the present disclosure, a display device includes a display panel, a first polarizer disposed below the display panel, a second polarizer disposed on the display panel, and an antistatic film disposed between the display panel and the second polarizer, in which the antistatic film includes a silicon-based matrix and a polythiophene-based compound and a dopant having a high boiling point dispersed in the silicon-based matrix and the silicon-based matrix contains tetra alkoxysilane, glycidyloxyalkyl trialkoxysilane and aminoalkyl trialkoxysilane to be cured. Therefore, the display device includes an antistatic film including an inexpensive polythiophene compound as a conductive material so that the excellent high temperature and high humidity stability is provided as well as the excellent electrostatic discharging effect.

BACKLIGHT MODULE AND DISPLAY APPARATUS

A backlight module includes a light guide plate, a light source, a first optical film, and a second optical film. The light source is disposed on one side of a light incident surface of the light guide plate. The first optical film is disposed between the light guide plate and the second optical film. An illumination beam from the light source has a first polarization component and a second polarization component perpendicular to the first polarization component. A ratio of the first polarization component to the second polarization component is greater than or equal to 1.2 and less than or equal to 10. The second optical film includes a substrate and a plurality of prism structures disposed between the substrate and the light guide plate. An included angle between an extending direction of the prism structures and the light incident surface is less than 5 degrees.

Polarizer and image display device

Provided are a polarizer having a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a liquid crystal compound and a dichroic material, in which the liquid crystal compound and the dichroic material are horizontally aligned, and in an X-ray diffraction spectrum of the polarizer, at least one of a plurality of peaks observed in a diffraction angle range of 17° or less is a peak A in which an interval of a periodic structure corresponding to the at least one peak does not have an integer multiple relationship with an interval of a periodic structure corresponding to at least one of other peaks.

LIQUID CRYSTAL DISPLAY PANEL
20220413336 · 2022-12-29 ·

A liquid crystal display panel, including a display body, a lower polarizer, and a backlight plate. The display body includes a light transmission hole, the backlight plate includes a light shielding plate connected to the display body, the light shielding plate is provided with a first through hole coaxial with the light transmission hole; wherein the display body is provided with an annular shielding member located in the first through hole, the annular shielding member is provided with a second through hole coaxial with the light transmission hole, a diameter of the second through hole is greater than or equal to a diameter of the light transmission hole.

LIQUID CRYSTAL DISPLAY PANEL AND DRIVING METHODS THEREFOR, AND DISPLAY APPARATUS

A liquid crystal display panel (100) comprises a first polarizer (110) and a second polarizer (170), a first liquid crystal layer (130) disposed between the first polarizer (110) and the second polarizer (170), and an optical compensation layer (140) disposed between the first liquid crystal layer (130) and one of the first polarizer (110) and the second polarizer (170). A transmission axis of the first polarizer (110) is perpendicular to a transmission axis of the second polarizer (170). The first liquid crystal layer (130) includes first liquid crystal molecules (130′). An included angle (γ) between an orthographic projection of an optical axis of a first liquid crystal molecule (130′) on the first polarizer (110), which is perpendicular to an orthographic projection of an optical axis of the optical compensation layer (140) on the first polarizer (110), and the transmission axis of the first polarizer (110) is an acute angle,

ELECTRONIC DEVICE
20220413338 · 2022-12-29 · ·

According to one embodiment, an electronic device includes a first polarizer having a first transmission axis, a first viewing angle control panel including a first liquid crystal layer containing hybrid-aligned liquid crystal molecules, a second polarizer, a second viewing angle control panel including a second liquid crystal layer containing hybrid-aligned liquid crystal molecules and a third polarizer. In plan view, an initial alignment direction of horizontally aligned liquid crystal molecules of the first liquid crystal layer and an initial alignment direction of horizontally aligned liquid crystal molecules of the second liquid crystal layer are parallel to each other and parallel or orthogonal to the first transmission axis.

Polarizing component and display panel

A polarizing component and a display panel are provided in embodiments of the disclosure, the polarizing component comprising: a first polarizer on a light-incident side thereof, and configured to polarize a light incident thereon into a first linearly polarized light; a wave plate layer on a surface of the first polarizer facing away from the light-incident side; and a second polarizer on a surface of the wave plate layer facing away from the light-incident side, on a light-emergent side opposite to the light-incident side, and configured to polarize a light incident thereon into a second linearly polarized light; the wave plate layer comprises a phase delay portion configured to delay a phase of the first linearly polarized light incident thereon in a direction different from a direction of an optical axis of the phase delay portion such that a polarized light exiting the phase delay portion comprises a first polarized light in a first polarization direction and a second polarized light in a second polarization direction, without incurring any phase delay of the first linearly polarized light incident on the phase delay portion in a direction consistent with the direction of the optical axis of the phase delay portion.