The disclosure provides an array substrate, a manufacturing method of the array substrate and a display device. The array substrate provided by the embodiment of the present disclosure includes sub-pixel units with multiple light-emitting colors; each sub-pixel unit includes a resonant cavity formed by a reflective layer and a cathode which are oppositely arranged, and the resonant cavity further includes: an anode positioned between the reflective layer and the cathode, and a light-emitting function layer positioned between the anode and the cathode; lengths of resonant cavities of the sub-pixel units with a same one of the light-emitting colors are the same, and lengths of resonant cavities of the sub-pixel units with different light-emitting colors are different; thicknesses of anodes of the sub-pixel units with different light-emitting colors are the same, thicknesses of light-emitting function layers of the sub-pixel units with different light-emitting colors are the same.

A display apparatus includes a display panel having a front area and a side area, a main body supporting the display panel, an auxiliary member arranged inside the main body, and a semi-transmissive mirror arranged between the auxiliary member and the front area, wherein the side area of the display panel may be arranged inside the main body to face the semi-transmissive mirror. Since an image partially emitted from the display panel may be reflected toward the front area, auxiliary members such as a camera, an illumination sensor, and a proximity sensor may be arranged inside the main body (or below a display) to embody a full screen display, whereby a user's satisfaction may be enhanced and a manufacturing process may be simplified.

A display device is provided, wherein a metal reflective pattern formed at intervals between a plurality of pixel driving circuits is equivalent to or is similar to a first predetermined metal pattern in an area corresponding to the plurality of pixel driving circuits, thereby making reflectance of a transitional display area uniform, and thereby solving a technical problem of uneven brightness in a display device under dark conditions.

One object of this invention is to provide a novel light-emitting device with low power consumption. The light-emitting device includes a first light-emitting element and a second light-emitting element. The first light-emitting element includes a first electrode, a second electrode, and a light-emitting layer. The second light-emitting element includes the first electrode, a third electrode, and the light-emitting layer. The second electrode comprises only a first conductive film, and the third electrode comprises a second conductive film and a third conductive film. The first electrode has a function of reflecting light. The second conductive film has functions of reflecting light and transmitting light. The first conductive film and the third conductive film each have a function of transmitting light.

Disclosed herein are light emitting device that emit highly circularly polarized light. These devices may be used to form a dot-matrix display or an electronic information display comprised of a series of photopolymerizable, chiral liquid crystalline layers that can be solvent cast on a substrate. The mixture of chiral materials in each successive layer may be blended in such a way that each layer has the same chiral pitch and may also be blended so that the ordinary and extraordinary refractive indices in each layer match the other layers such that the complete assembly of layers will optically function as a single relatively thick layer of chiral liquid crystal. The chiral nematic material in each layer can spontaneously adopt a helical structure with a helical pitch. Further disclosed are pixel structures that not only emit light with brightness and chromaticity information, but also depth of focus information as well.

A light-emitting structure includes a substrate, a sub-pixel stack over a surface of the substrate, and a bank including a first bank portion and a second bank portion. The sub-pixel stack has an emissive stack 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 second bank portion is between the first bank portion and the sub-pixel stack, and the bank surrounding at least the emissive stack and the first electrode layer forms an interior space above the sub-pixel stack.

A display substrate and a preparation method thereof, and a display panel are provided. The display substrate includes at least one first sub-pixel and at least one second sub-pixel, the first sub-pixel and the second sub-pixel have different display directions, the first sub-pixel includes a first light-emitting element, the second sub-pixel includes a second light-emitting element, each of the first light-emitting element and the second light-emitting element has a light-emitting structure, the light-emitting structure includes a first reflective layer, a light emitting layer and a second reflective layer which are sequentially stacked, the second reflective layer is located on a light emergent side of the display substrate, and an area of the first reflective layer is larger than an area of the second reflective layer.

An organic light emitting display device includes: light emitting diodes respectively located in first to third sub-pixels on a substrate and respectively emitting red, green and blue color lights output upward through emission regions of the first to third sub-pixels; and a reflection structure located in a non-emission region surrounded by the first to third sub-pixels and including reflection side surfaces which are inclined and respectively face the emission regions of the first to third sub-pixels, wherein the reflection side surface reflects a light incident thereon from the corresponding emission region upward.

An electroluminescent device including a lower substrate; a lower structure including an inorganic multilayer; and an upper encapsulation structure, in which the lower structure includes a display region inside an outline of the inorganic multilayer, and a light transmitting region having a non-through-hole structure having at least a portion surrounded by the display region; the lower structure has an inorganic surface portion surrounding the display and light transmitting regions, the upper encapsulation structure has an inorganic lower surface forming an inorganic-inorganic encapsulation contact region; the electroluminescent device does not have a hole formed through both the lower substrate and the lower structure, a portion of the upper encapsulation structure corresponding to the light transmitting region is not removed, and a portion of the pixel definition layer, the portion corresponding to the light transmitting region, is not present.

A display back panel may include a substrate, an insulating layer disposed on one side of the substrate and including a plurality of recesses, the plurality of recesses including a bottom surface, a first electrode disposed on a surface of the insulating layer away from the substrate, a pixel defining layer disposed on a surface of the first electrode away from the substrate and including a plurality of openings, a light-emitting layer disposed in the plurality of openings and covering the first electrode, and a second electrode disposed on a surface of the light-emitting layer away from the substrate. Therein, the first electrode may reflect waveguide light laterally propagated by the light-emitting layer, thereby improving a light-emitting efficiency of the light-emitting layer. Further, the reflected waveguide light may not be absorbed by the second electrode, thereby enhancing an external quantum effect of the light-emitting layer.