A display device includes a display panel on which a first light emitting element and a second light emitting element adjacent to the first light emitting element are disposed. A sensor layer including a touch electrode is disposed on the display panel. The touch electrode includes a first portion having a first width, a second portion having a second width that is smaller than the first width, and a third portion connecting the first portion to the second portion. The first portion, the second portion, and the third portion are each disposed between the first light emitting element and the second light emitting element.

The present disclosure provides a display module stack structure and a display device. The display module stack structure includes: a flexible display panel module including a light-exiting surface and a back surface opposite to the light-exiting surface; a polarization layer stacked on one side of the light-exiting surface of the flexible display panel module; a first adhesive layer stacked on one side of the polarization layer away from the flexible display panel module; a protection cover plate stacked on one side of the first adhesive layer away from the flexible display panel module; a second adhesive layer stacked on one side of the back surface of the flexible display panel module; a protection layer stacked on one side of the second adhesive layer away from the flexible display panel module; and a resilient layer stacked on one side of the protection layer away from the second adhesive layer.

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.

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]$\begin{array}{cc}\mathrm{Ratio}W=\frac{\left(C1+C2+C3\right)-\left(A1+A2\right)}{A2}& \left(W\right)\end{array}$

An optical path control member according to an embodiment comprises: a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed below the second substrate; and a light conversion unit disposed between the first electrode and the second electrode, wherein the second substrate and the second electrode comprise at least one hole penetrating the second substrate and the second electrode, and a sealing part is disposed inside the hole.

The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has a ratio of the reflectance at a wavelength of 400 nm to the reflectance at a wavelength of 550 nm of 1.3 to 2.7, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.

According to various embodiments of the disclosure, an electronic device may include: a housing, a display viewable to the outside of the electronic device, wherein the display includes a plurality of layers at least one of which includes an opening area, an optical sensor at least a portion of which is disposed in the opening area, and a printed pattern disposed to correspond to the opening area and having a ring shape, wherein the printed pattern may be disposed on a top surface or a bottom surface of a first layer that does not include the opening area among the plurality of layers, and wherein a portion of the ring shape may have a first height, and a remaining portion of the ring shape may have a second height higher than the first height.

An electronic device including an electronic unit and a functional unit is provided. The electronic unit includes a substrate, a plurality of semiconductor components, and a cover layer. The substrate has a plurality of first side surfaces. The semiconductor components are disposed on the substrate. The cover layer is disposed on the semiconductor components and has a plurality of second side surfaces. The functional unit is disposed on at least one of at least one of the first side surfaces and at least one of the second side surfaces.

A system comprising a display and an ambient light sensing module, the ambient light sensing module being located beneath the display. The display comprises an array of light emitting diodes and a first polarizer located above the display. The sensing module comprises a first sensor and a second sensor, a second polarizer being located above the second sensor.

A display device and a method of manufacturing the display device are provided. The display device includes a substrate including a transmissive display area including a first pixel area, a second pixel area, and an opening area between the first pixel area and the second pixel area and defining a substrate opening portion, a light-emitting element layer above the substrate and including a first light-emitting element in the first pixel area and a second light-emitting element in the second pixel area, and a first inorganic encapsulation layer above the light-emitting element layer and extending from the first pixel area to the second pixel area across the substrate opening portion.