A novel emissive display assembly incorporates a photo-switchable polarizer that is switchable between an active, polarizing, state and an inactive, non-polarizing, state depending on the predetermined level of intensity of UV light in the ambient light and enhance the viewable quality of the emissive display by minimizing or eliminating UV light reflection on the emissive display.

A rollable display device includes a rollable structure including a plurality of unit structures, the rollable structure being configured to be rolled and unrolled based on the unit structures, and a display panel structure attached to the rollable structure, wherein respective widths of the unit structures increase in a first direction from a first side of the rollable structure to an opposite second side of the rollable structure.

The present disclosure relates to a display panel and a display device thereof. The display panel includes: a substrate; an organic light-emitting device located on the substrate; a cover layer located on the organic light-emitting device; a light extraction layer located on the cover layer; an optical functional layer located on the light extraction layer; and an encapsulation layer located on the optical functional layer. A refractive index of the light extraction layer is less than a refractive index of the cover layer and less than a refractive index of a portion of the encapsulation layer closest to the optical functional layer. A refractive index of the optical functional layer is less than the refractive index of the portion of the encapsulation layer closest to the optical functional layer and not equal to the refractive index of the light extraction layer.

A display apparatus includes a substrate including a display area, a camera hole, and a non-display area between the display area and the camera hole, a light-emitting element disposed in the display area, one or more cut-out parts and at least one dam disposed in the non-display area, a plurality of insulating films disposed on the substrate and disposed under the light-emitting element, the cut-out parts, and the dam, and a crack prevention structure disposed between the at least one dam and the camera hole.

Embodiments of the present application disclose various display devices with adjustable pixel density and methods for adjusting display pixel density. One of the display devices with adjustable pixel density comprises: a plurality of display pixels distributed in an array form, and a controllably-deformable material part being separately connected to the plurality of display pixels, wherein the controllably-deformable material part may deform under an effect of an external field, so as to accordingly adjust density distribution of the plurality of display pixels. According to the technical solution provided by the embodiments of the present application, it may be able to achieve a display device with adjustable pixel density, and when an image is displayed by the display device with adjustable pixel density, integral pixels of the display device may be fully utilized to display different regions of the image with differentiated display definitions, so as to facilitate satisfying a user's diversified application demands.

As a result of miniaturization of a pixel region associated with an improvement in definition and an increase in a substrate size associated with an increase in area, defects due to precision, bending, and the like of a mask used at the lime of evaporation have become issues. A partition including portions with different thicknesses over a pixel electrode (also referred to as a first electrode) in a display region and in the vicinity of a pixel electrode layer is formed, without increasing the number of steps, by using a photomask or a reticle provided with an auxiliary pattern having a light intensity reduction function made of a diffraction grating pattern or a semi-transmissive film.

An object of the invention is to provide a novel laminate and a novel image display device which have both of a gas barrier function and a circular polarization conversion function and have a reduced thickness as compared to those in the related art. A laminate of the invention has a substrate, an inorganic layer, an alignment film, and an organic layer in this order, and the organic layer contains a liquid crystal compound.

The present disclosure describes optical element stack assemblies that include multiple substrates stacked one over another. At least one of the substrates includes an optical element, such as a DOE, on its surface. The stack assemblies can be fabricated, for example, in wafer-level processes.

An autostereoscopic display device comprises a display arrangement such as an emissive display arrangement or an reflective display arrangement, with an array of spaced pixels. A light guiding arrangement has an array of light guide columns, with one column over each display pixel or over a group (such as a column) of pixels. The light guide columns comprise aside wall which tapers outwardly to define a funnel shape with the pixel at the smaller base of the funnel. The funnel provides collimation to reduce cross talk in the display, which is particularly problematic for 3D autostereoscopic displays.

The present invention discloses a pixel unit, a method of manufacturing the same and a display device. The pixel unit comprises an anode layer, a pixel definition layer, an organic light-emitting layer and a cathode layer, wherein the anode layer includes a plurality of pixel anodes in an array arrangement, and the pixel definition layer is disposed on the anode layer and includes a plurality of spaced pixel definition units, wherein the pixel definition units correspond to the pixel anodes one by one, and each pixel definition unit delimits a light-emitting region on the corresponding pixel anode, and the organic light-emitting layer is provided within the light-emitting regions, and the cathode layer is provided on the organic light-emitting layer. The present invention remarkably increases light extraction efficiency by improving the structure of the pixel unit.