G09F9/30

OPTICALLY ANISOTROPIC LAYER, OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE
20230037751 · 2023-02-09 · ·

Provided is an optically anisotropic layer with which an image display device having suppressed occurrence of oblique light leakage can be manufactured; and an optical film, a polarizing plate, and an image display device, each having the optically anisotropic layer. The optically anisotropic layer is obtained by curing a polymerizable liquid crystal composition including a predetermined rod-like liquid crystal compound and a predetermined monofunctional compound, and immobilizing an alignment state of the rod-like liquid crystal compound, in which a number a1 of atoms of the rod-like liquid crystal compound and a number a2 of atoms of the monofunctional compound satisfy a relationship of Expression (1): 0.2<a2/a1≤0.68, and the rod-like liquid crystal compound is immobilized in a state of being vertically aligned with respect to the main surface of the optically anisotropic layer.

DISPLAY SUBSTRATE AND DISPLAY APPARATUS
20230040448 · 2023-02-09 ·

A display substrate and a display apparatus are provided. The display substrate includes a base substrate; sub-pixels arranged in an array and on the base substrate; data line groups on the base substrate; each data line group includes data lines, each of which is connected to one column of sub-pixels; data selectors on the base substrate and connected to the data line groups in a one-to-one correspondence; data lines in a same data line group are connected to a same data selector; and a data selection signal lines, wherein different data selection signal lines output different data selection signals; and different data lines connected to a same data selector correspond to different data selection signal lines, respectively. The display panel provided may effectively reduce the resistance on the data selection signal lines, thereby reducing the delay of the data selection signals and further improving the charging uniformity of sub-pixels.

COMPOSITION, OPTICALLY ANISOTROPIC FILM, CIRCULARLY POLARIZING PLATE, AND DISPLAY DEVICE

Provided is a composition capable of forming an optically anisotropic film exhibiting reverse wavelength dispersibility and an Nz factor of about 0.50 (0.40 to 0.60); as well as an optically anisotropic, a circularly polarizing plate, and a display device. The composition includes a non-colorable rod-like compound having an acid group or a salt thereof, a non-colorable plate-like compound having an acid group or a salt thereof, and a salt consisting of a cation and an anion, and exhibiting lyotropic liquid crystallinity, in which a ratio W obtained by Expression (W) is 0.25 to 1.75, and a maximum absorption wavelength in a wavelength range of 230 to 400 nm of the rod-like compound is smaller than a maximum absorption wavelength in a wavelength range of 230 to 400 nm of the plate-like compound.

[00001] Ratio W = ( C 1 + C 2 + C 3 ) - ( A 1 + A 2 ) A 2 ( W )

POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, OPTICALLY ANISOTROPIC LAYER, OPTICAL FILM, POLARIZING PLATE, AND IMAGE DISPLAY DEVICE

Provided is a polymerizable liquid crystal composition capable of suppressing the generation of precipitates; and an optically anisotropic layer, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition contains a forward wavelength dispersion liquid crystal compound A having an aromatic ring having 10 or more π electrons and a forward wavelength dispersion liquid crystal compound B having an aromatic ring having 6 or more and less than 10 π electrons.

ELECTRONIC DEVICE AND METHOD INCLUDING FLEXIBLE DISPLAY

An electronic device according to various example embodiments may include a housing including a first housing and a second housing slidably coupled to the first housing within a specific range, a heating part disposed to at least one region of the first housing and second housing, a driving unit disposed to one region in the housing, a flexible display which may include a first portion exposed for view (visible to a user) to the outside of the housing and a second portion extending from the first portion and inserted into the housing or drawn out to the outside when the second housing moves with respect to the first housing, a support structure, at least one temperature sensor, and at least one processor. The at least one processor is configured to sense a temperature and at least control a movement speed of the second housing based on at least the sensed temperature.

DYNAMICALLY BENDABLE AUTOMOTIVE INTERIOR DISPLAY SYSTEMS

Embodiments of a dynamically bendable automotive interior display system are disclosed. In one or more embodiments, the system includes a display, a dynamically bendable cover substrate assembly disposed over the display, wherein the cover substrate assembly comprises a cover substrate with a bend axis, and a reversible support attached to at least a portion the cover substrate that dynamically bends the cover substrate along the bend axis in a cycle from a first radius of curvature to a second radius of curvature and from the second radius of curvature to the first radius of curvature. In one or more embodiments, the system includes one or more frames that partially house the display and are attached to the cover substrate.

Display device including subpixels having light-shielded opening portions
11557261 · 2023-01-17 · ·

According to one embodiment, a display device includes a display panel including a plurality of pixels arranged in a non-rectangular display area, and a display controller configured to display images in the display area. An opening portion of each of pixels disposed at an edge portion of the display area is light-shielded at an area ratio according to a shape of the display area.

Display substrate, manufacturing method thereof, display panel, and display device

A method of manufacturing a display substrate which includes a central display area and an arc-shaped stretch area located at a corner of the central display area, wherein the method includes: preparing a substrate to be etched, which includes a flexible substrate, a stack structure disposed on the flexible substrate, and a last-dry-etched metal layer disposed on a side of the stack structure away from the flexible substrate, the stack structure including an active layer, at least one conductive layer, and a plurality of insulating layers, wherein the last-dry-etched metal layer is a last metal layer that is formed through dry etching; and forming a stretch groove by patterning the substrate to be etched, wherein the stretch groove is disposed in the stretch area and passes through the stack structure and a part of the flexible substrate. A display substrate, a display panel and a display device are further provided.

Organic electroluminescence device and novel compound

An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3). ##STR00001##

DISPLAY DEVICE
20230009509 · 2023-01-12 ·

Display devices are disclosed. In one example, a display device includes light emitting element groups each including light emitting element units, each of the light emitting element units including first, second and third light emitting elements. Each of the light emitting element groups includes first drive circuits that drive the first light emitting elements, second drive circuits that drive the second light emitting elements, and third drive circuits that drive the third light emitting elements, and in each of the light emitting element groups, the number of first drive circuits is equal to the number of first light emitting elements, the number of second drive circuits is less than the number of second light emitting elements, and the number of third drive circuits is less than the number of third light emitting elements.