H05B33/02

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##

DISPLAY DEVICE, METHOD FOR FABRICATING DISPLAY DEVICE, AND ELECTRONIC INSTRUMENT
20230217737 · 2023-07-06 ·

A display device is formed such that pixels that each include a light emitting element formed by stacking an upper electrode, a light emitting unit, and a lower electrode are arranged in a two-dimensional matrix. The light emitting elements are formed by forming the upper electrodes which are light-transmissive, and then sequentially stacking, onto the upper electrodes, the light emitting units and the lower electrode which is formed from a metal material.

LIGHT ABSORPTION ANISOTROPIC FILM, LAMINATE, AND IMAGE DISPLAY DEVICE

Provided is a light absorption anisotropic film capable of preparing an image display device having excellent display performance and excellent durability, and a laminate and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film is used for an image display device, which is formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, in which in a signal derived from the dichroic substance detected by time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax of the light absorption anisotropic film in a thickness direction and an intensity Isur1 in a surface of the light absorption anisotropic film on a viewing side of the image display device satisfies Expression (I-1) 2.0≤Imax/Isur1.

ALKALI-FREE GLASS PANEL
20230212060 · 2023-07-06 ·

The present invention provides an alkali-free glass sheet, including as a glass composition, in terms of mol%, 64% to 71% of SiO.sub.2, 12.5% to 17% of Al.sub.2O.sub.3, 0% to 4% of B.sub.2O.sub.3, 0% to 0.5% of Li.sub.2O+Na.sub.2O+K.sub.2O, 6% to 11% of MgO, 3% to 11% of CaO, 0% to 6% of SrO, 0% to 1% of BaO, and 14% to 19% of MgO+CaO+SrO+BaO, and having a mole percent ratio (Al.sub.2O.sub.3/CaO)×{B.sub.2O.sub.3/(MgO+CaO+SrO+BaO)} of from 0 to 0.5, a mole percent ratio MgO/(CaO+SrO) of from 0.5 to 1.5, a mole percent ratio (MgO+CaO+SrO+BaO-Al.sub.2O.sub.3)×B.sub.2O.sub.3 of from 1 to 10, and a mole percent ratio SiO.sub.2×CaO/MgO of from 30 to 90.

LIGHT EMITTING APPARATUS, DISPLAY APPARATUS, IMAGE PICKUP APPARATUS, ELECTRONIC APPARATUS, ILLUMINATING APPARATUS, AND MOVABLE OBJECT

A light emitting apparatus including a substrate including a principal surface, a first light emitting element disposed on the principal surface, a second light emitting element disposed on the principal surface, a first lens and a second lens wherein a distance between a middle point of an emission area of the second light emitting element and an apex of the second lens is larger than a distance between a middle point of an emission area of the first light emitting element and an apex of the first lens, wherein the emission area of the second light emitting element is larger than the emission area of the first light emitting element, and wherein the lower electrode of the second light emitting element is larger than the lower electrode of the first light emitting element.

LAMINATES, POLARIZING PLATES, AND IMAGE DISPLAY DEVICE
20230213695 · 2023-07-06 · ·

An object of the present invention is to provide a laminate which includes a light absorption anisotropic layer and an optically anisotropic layer and has excellent moisture-heat resistance, and a polarizing plate and an image display device which are formed of the laminate. The laminate of the present invention is a laminate including a light absorption anisotropic layer and an optically anisotropic layer, in which the light absorption anisotropic layer contains an organic dichroic substance, the optically anisotropic layer consists of a liquid crystal layer, an axial direction of an absorption axis of the light absorption anisotropic layer is different from an axial direction of a slow axis of the optically anisotropic layer, and the light absorption anisotropic layer and the optically anisotropic layer are directly laminated.

OPTICAL LAMINATE AND IMAGE DISPLAY DEVICE

Provided is an optical laminate with excellent durability and an image display device formed of the optical laminate. The optical laminate includes a pressure sensitive adhesive layer 1, a specific laminate including a resin layer and a light absorption anisotropic layer which are adjacent to each other, and a pressure sensitive adhesive layer 2 in order, in which the light absorption anisotropic layer contains a dichroic substance, the pressure sensitive adhesive layer 1 is adjacent to the resin layer of the specific laminate, and a storage elastic modulus Ep of the pressure sensitive adhesive layer 1 and a storage elastic modulus Ea and a moist heat strain δa of the resin layer satisfy Expression (1-1) ¼ (3 × Ep/Ea).sup.⅔ > δa.

Photo-alignment copolymer, binder composition, binder layer, optical laminate, and image display device

An object of the invention is to provide a photo-alignment copolymer capable of improving upper layer coatability after layer formation, a binder composition, a binder layer, an optical laminate, and an image display device. A photo-alignment copolymer according to the embodiment of the invention has a repeating unit A including a photo-alignment group, a repeating unit B including a crosslinkable group which causes a crosslinking reaction by the action of at least one selected from the group consisting of light, heat, an acid, and a base, and a repeating unit C including a cleaving group which decomposes by the action of at least one selected from the group consisting of light, heat, an acid, and a base to produce a polar group, and the repeating unit C has the cleaving group on a side chain, and has a group of atoms which is provided on a side closer to a terminal than the cleaving group on the side chain to be able to unevenly distribute the photo-alignment copolymer on an air interface side.

Light-emitting element, lighting device, and method for manufacturing lighting device and display device

Disclosed is a light-emitting element including a first electrode, a first light-emitting layer, an ionic-liquid layer, a second light-emitting layer, and a second electrode. The first light-emitting layer is located over the first electrode and includes a first emissive polymer and an ionic liquid. The ionic-liquid layer is located over the first light-emitting layer and includes an ionic liquid. The second light-emitting layer is located over the ionic-liquid layer and includes a second emissive polymer and an ionic liquid. The second electrode is located over the second light-emitting layer. The light-emitting element may further include a first substrate under the first electrode, a second substrate over the second electrode, and a sealing layer located between the first substrate and the second substrate and surrounding the first electrode.

Display device and electronic apparatus with relative misalignment between pixel and color filter
11545649 · 2023-01-03 · ·

[Object] To make it possible to improve light extraction efficiency while realizing a desired viewing angle characteristic for each pixel. [Solution] Provided is a display device, including: a plurality of light emitting sections formed on a substrate; and reflectors provided above the light emitting sections with respect to the plurality of light emitting sections positioned in at least a partial region of a display surface, lower surfaces of the reflectors reflecting part of emission light from the light emitting sections. The light emitting sections and the reflectors are arranged in a state in which centers of the reflectors are shifted from centers of luminescence surfaces of the light emitting sections in a plane perpendicular to a stacking direction so that light emitted in a direction other than a desired direction among the emission light from the light emitting sections is reflected.