A display device includes: a substrate, a light emitting element which is on the substrate and emits light in a light emitting direction; and a side wall layer including a plurality of light control patterns arranged along the substrate, where the side wall layer is adjacent to the light emitting element in the light emitting direction of the light emitting element. Within the side wall layer which is adjacent to the light emitting element in the light emitting direction, each of the plurality of light control patterns has a certain height, the plurality of light control patterns are arranged along a major surface of the substrate and spaced apart from each other by a certain distance between two adjacent light control patterns of the light control patterns, and a ratio of the height to the distance is greater than about 1.4.

A display apparatus can include a display panel configured to display an image, a polarizing plate disposed on the display panel, a first film disposed on the polarizing plate, a liquid crystal layer disposed on the first film, and a second film disposed on the liquid crystal layer. Also, the liquid crystal layer can be disposed in a cover member and have a retardation of a quarter wave (λ/4) to a half wave (λ/2), and the liquid crystal layer can be spaced apart from the flexible display panel.

A viewing angle control film and a display device including the same are discussed. The viewing angle control film can include a first film including a first electrode, a second film facing the first film while being away from the first film by a predetermined distance and including a second electrode, a light conversion layer disposed between the first film and the second film, and an adhesive layer bonding the light conversion layer and the first film. The light conversion layer can include containing portions disposed at regular intervals along the first film between the first film and the second film, a louver layer surrounding the containing portions while spacing the containing portions and the second film, and light blocking particles provided in each of the containing portions.

A viewing angle control film and a display device including the same are discussed. The viewing angle control film can include a first film including a first electrode, a second film facing the first film while being away from the first film by a predetermined distance and including a second electrode, a light conversion layer disposed between the first film and the second film, and an adhesive layer bonding the light conversion layer and the first film. The light conversion layer can include containing portions disposed at regular intervals along the first film between the first film and the second film, a louver layer surrounding the containing portions while spacing the containing portions and the second film, and light blocking particles provided in each of the containing portions.

An electronic apparatus includes: an electronic panel comprising a display unit comprising a plurality of pixels and a sensing unit comprising a plurality of sensing electrodes; and an electronic module overlapping with the electronic panel when viewed in a plan view, the sensing unit comprising: a base substrate comprising a hole area overlapping with the electronic module, an active area overlapping with the sensing electrodes, and a peripheral area adjacent to the active area; a connection line in the hole area and connected to a portion of the sensing electrodes; and a conductive light blocking pattern in the hole area and spaced apart from the connection line and the sensing electrodes.

A display device is provided. The display device includes a substrate and a plurality of pixels disposed on the substrate. One of the pixels includes a first light filter layer. The display device also includes a first light shielding layer, a second light shielding layer, and a plurality of light emitting diodes. The first light shielding layer defines a plurality of openings, wherein the first light filter layer is disposed in one of the openings. The second light shielding layer is disposed on the substrate and at least partially overlapped with the first light shielding layer. The second light shielding layer defines another plurality of openings, and the light emitting diodes are disposed in the another plurality of openings. In a direction parallel to an upper surface of the substrate, the second light shielding layer overlaps the plurality of light emitting diodes.

A display device is provided. The display device includes a substrate and a plurality of pixels disposed on the substrate. One of the pixels includes a first light filter layer. The display device also includes a first light shielding layer, a second light shielding layer, and a plurality of light emitting diodes. The first light shielding layer defines a plurality of openings, wherein the first light filter layer is disposed in one of the openings. The second light shielding layer is disposed on the substrate and at least partially overlapped with the first light shielding layer. The second light shielding layer defines another plurality of openings, and the light emitting diodes are disposed in the another plurality of openings. In a direction parallel to an upper surface of the substrate, the second light shielding layer overlaps the plurality of light emitting diodes.

A display apparatus includes: a substrate; a light-emitting element layer on the substrate, the light-emitting element layer including light-emitting elements; an interference layer on the light-emitting element layer; an organic layer on the interference layer and having reverse wavelength dispersion characteristics; and a linear polarization layer on the organic layer.

Disclosed are a display panel, a drive method therefor, and a display apparatus. By providing a light emergence angle adjustment structure (3) on a light emergence side of an organic light emitting device (12) and when an electric field is formed by applying different voltages on an electrode structure (31), on one respect, an electrical control material layer (32) of the light emergence angle adjustment structure (3) forms a convex lens structure under the action of the electric field, and the convex lens structure has the effect of concentrating an outputted light; and an another respect, the electrical control material layer (32) forms a concave lens structure under the action of the electric field, and the concave lens structure has the effect of dispersing an outputted light.

The present invention provides an electrochromic polyamic acid material, a preparation method thereof and a display device, wherein the molecular structure of the electrochromic polyamic acid material includes oligoaniline and carbazolyl triphenylamine. The oligoaniline serves as an electrochemically sensitive group, and the carbazolyl triphenylamine serves as a fluorescence emitting group. The electrochromic polyamic acid material is an electrically controlled fluorescent polymer. Fluorescence intensity of the electrochromic polyamic acid material undergoes reversible fluorescence conversion with a change of an applied voltage, due to a redox reaction of the oligoaniline at different voltages, resulting in an interchange between a benzene ring and an anthracene ring in a molecular structure, and an electron/energy transfer path with the fluorescence emitting group are generated or eliminated, thereby realizing the electrically controlled fluorescent properties of the electrochromic polyamic acid material.