An embodiment of the present invention discloses a display panel and a display device. The display panel includes a dual-sided light emitting device layer, an optical modulation layer, and a cover plate layer. The optical modulation layer is located between the dual-sided light emitting device layer and the cover plate layer. The optical modulation layer is configured to reflect light emitted from the dual-sided light emitting device layer toward the cover plate layer. The present invention disposes the optical modulation layer between the dual-sided light emitting device layer and the cover plate layer to prevent light waste.

A display device provided with OLEDs improves the quality of an image. The display device includes a pixel array. A plurality of sub-pixels is arranged on the display surface of the pixel array. Furthermore, in the pixel array included in the display device, each of the plurality of sub-pixels is provided with a light-emitting portion and a reflector. At each of the plurality of sub-pixels arranged in the pixel array included in the display device, the reflector reflects light emitted from the light-emitting portion in a direction toward the central axis of the display surface.

A light emitting structure comprises a substrate, a plurality of sub-pixel stacks over the substrate emitting different colors, a bank surrounding the sub-pixel stacks and forming an interior space above the sub-pixel stacks, a first filler material in the interior space, a second filler material over the first filler material, and an interface between the first filler material and the second filler material. Each of the sub-pixel stacks including an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The sub-pixel stacks each have a substantially uniform distance between the emissive layer and the first electrode layer. Each of the sub-pixel stacks emits a main emission peak at one direction normal to a top surface of each of the sub-pixel stacks through the interface.

The disclosure is related to creating different functional micro devices by integrating functional tuning materials and creating an encapsulation capsule to protect these materials. Various embodiments of the present disclosure also related to improve light extraction efficiencies of micro devices by mounting micro devices at a proximity of a corner of a pixel active area and arranging QD films with optical layers in a micro device structure.

A display device includes a substrate including a first display area and a second display area, a first sub-pixel in the first display area, a second sub-pixel in the second display area, and a light-shielding layer having a first hole overlapping the first sub-pixel and a second hole overlapping the second sub-pixel, where a ratio of a width of the first hole to a width of the first sub-pixel is greater than a ratio of a width of the second hole to a width of the second sub-pixel.

Disclosed is a display device, a manufacturing method thereof and a display apparatus. The display device includes a carrier having a first surface and a second surface opposite to each other, and at least one nanotube in the carrier. Each nanotube includes a tube wall and a receiving cavity surrounded by the tube wall. The receiving cavity includes a first open end at the first surface and a second open end at the second surface. The display device further includes a first electrode at the first open end, a second electrode at the second open end and a light-emitting layer between the first electrode and the second electrode.

The disclosure is related to creating different functional micro devices by integrating functional tuning materials and creating an encapsulation capsule to protect these materials. Various embodiments of the present disclosure also related to improve light extraction efficiencies of micro devices by mounting micro devices at a proximity of a corner of a pixel active area and arranging QD films with optical layers in a micro device structure.

A display panel, a display device and a manufacture method of a display panel are provided. The display panel includes a base substrate, a plurality of pixel units disposed in an array and a total reflection structure. Each of the plurality of pixel units includes a light emitting region and a light emitting device in the light emitting region; and the total reflection structure is disposed on a light exiting side of the light emitting device and surrounds at least a portion of the light emitting region; the total reflection structure includes a main structure and a second structure covering a side, which faces the light emitting device, of the main structure, and a refractive index of the second structure is greater than a refractive index of the main structure.

An organic light-emitting display (OLED) panel includes a substrate and a light-emitting pixel array disposed on the substrate and including a plurality of light-emitting pixels, each of the plurality of light-emitting pixels includes a concave structure, a light-emitting layer, a planarization layer, and a convex microlens which are sequentially stacked up and aligned up on the substrate in such a manner that light emitted in an angle perpendicular to the light-emitting layer on the concave structure pass through an focal point of the convex microlens.

Provided are an aromatic compound enhancing emission efficiency of blue light emitting region and an organic electroluminescence device including the same. The aromatic compound according to an embodiment of the inventive concept is represented by Formula 1, and more details about the constituents are provided in the disclosure. ##STR00001##