A light emitting display apparatus is disclosed, which can improve visual characteristic of a black image in accordance with reduction of diffuse reflectance while improving light emission efficiency of light emitted from a light emitting diode. The light emitting display apparatus comprises a substrate including a plurality of pixel areas, a light emission pattern arranged in each of the plurality of pixel areas, a light emitting device layer arranged over the light emission pattern, and a selective wavelength absorbing member overlapped with at least one of the plurality of pixel areas, wherein the selective wavelength absorbing member may reduce transmittance of light of a long wavelength, which is incident.

The present application discloses a display panel. The display panel comprises a substrate and a plurality of pixel units disposed on the substrate, each of the plurality of pixel units comprises a plurality of sub-pixel units, each of the plurality of sub-pixel units comprises a light emitting layer, the plurality of sub-pixel units comprise at least one first type of sub-pixel unit, and the at least one first type of sub-pixel unit further comprises a first light processing layer, the first light processing layer comprises a light conversion layer and a light diffusion layer arranged as a laminated structure, and the first light processing layer is positioned at a side where a light emitting surface of the light emitting, layer of the at least one first type of sub-pixel unit is located.

A display screen, a manufacturing method thereof, and a display device are disclosed. The display screen includes a base substrate, a thin film transistor located on the base substrate, the thin film transistor including a metal layer, at least one of a light-absorbing material layer or a scattering structure disposed between the base substrate and the metal layer in a direction perpendicular to the base substrate.

A material system for a surface display unit that includes a first side (i.e., a proximal side) that faces a viewer of the surface display unit and a second side (i.e., a distal side) facing away from the viewer. The material system provides at least three appearance states, including a generally opaque first appearance state when the surface display unit is off (i.e., not used to display images), a second appearance state in which the material system is illuminated from the first (i.e., proximal) side to display a first image (e.g., information and/or decoration) that is perceptible to the viewer, and a third appearance state in which the material system is illuminated from the second (i.e., distal) side to display a second image (e.g., information and/or decoration) that is perceptible to the viewer. Surface display units, systems, and methods comprising the material system are also disclosed.

A method of manufacturing a light scattering film, the method includes providing a light transmissive base having a film shape. A plurality of holes is defined in the light transmissive base, using a perforating device. Each of the plurality of holes has a diameter ranging from about 100 nm to about 5 m. A spacing between each of the plurality of holes is about twice to about five times as large as an average diameter of each of the plurality of holes.

The present application provides a substrate, an organic electronic device and a use thereof. The substrate of the present application has a structure comprising an electrode layer directly formed on the corrugated surface of the optical functional layer, and upon having formed an organic electronic device, can secure excellent functionality, for example, light extraction efficiency, and the like, together with stable drive of the element for a long time.

Disclosed herein is an emotion lighting apparatus for vehicle. According to the present invention, the emotion lighting apparatus for vehicle comprises a lighting unit as a light source selected from the group consisting of OLED and LED, a supporting unit for supporting the light source, and a cover for covering the light unit and including a transmitting window passing light from the light source. In this case, the light unit and cover are bendable.

A light-emitting device includes an emissive layer that emits light by recombination of first charges and second charges, a first electrode from which the first charges are supplied, a second electrode located on an opposite side of the emissive layer relative to the first electrode from which the second charges are supplied, and a charge transporting layer that is located between the emissive layer and the first electrode that injects the first charges from the first electrode into the emissive layer. The charge transporting layer includes a nanoparticle layer that provides a roughened electrode interface between the first electrode and the charge transporting layer and the emissive layer includes a plurality of quantum dots in electrical contact with the first electrode and the second electrode.

The present application provides a display panel, a manufacturing method, and an electronic device. The electronic device comprises the display panel. The display panel comprises a light-emitting device layer, an encapsulation layer and a barrier film. First scattering particles are distributed in the encapsulation layer, and the light scattering effect of the first scattering particles on the light-emitting device layer can be employed to improve the viewing angle of the display panel. The barrier film comprises at least two antireflective layers with different refractive indexes to increase the transmittance of the barrier film, thereby improving the light extraction efficiency of the display panel.

The present invention provides an organic light-emitting diode (OLED) display panel and a display device. The OLED display panel includes a light-emitting device layer and a color conversion layer arranged in sequence. The light-emitting device layer includes a third light-emitting device disposed in a region of a green subpixel. The color conversion layer includes a green conversion layer disposed in the region of the green subpixel. The green conversion layer is configured to convert light emitted by the third light-emitting device into green light to relieve a problem of a short display lifespan of current OLED display panels.