Abstract:
An organic light-emitting diode display panel and a display device are provided, including a plurality of pixel units (1), each pixel unit including at least sub-pixels of three primary colors of red, green and blue made of different organic electroluminescent materials; the pixel unit includes at least three regions, the number of the regions being equal to the number of sub-pixels in the pixel unit, and each of the regions having a same area; the blue sub-pixel is located in at least two regions, and the other sub-pixels of different primary colors are located in different regions, an area of the blue sub-pixel being greater than those of other sub-pixels of a same primary color.
Abstract:
An electroluminescent device and a method for preparing the same, and a display apparatus are disclosed. The organic electroluminescent device comprises a substrate (1) and a cover plate (2) disposed opposite to each other; an electroluminescent structure (3) disposed between the substrate (1) and the cover plate (2); and a barrier wall (4) for blocking water and oxygen, which is located around the electroluminescent structure (3) and forms a closed ring structure. The barrier wall (4) for blocking water and oxygen is located between the substrate (1) and the cover plate (2), is assembled with the substrate (1) and the cover plate (2) in a sealing manner to form a sealed space (6), and comprises a plurality of barrier layers (41) for blocking water and oxygen with an interval therebetween, the barrier layers (41) being made of an inorganic material; a sealant (5) is provided between each two adjacent barrier layer (41) for blocking water and oxygen to connect the substrate (1) and the cover plate (2). The organic electroluminescent device can effectively block water and oxygen and reduce permeability of water and oxygen so as to increase its lifetime.
Abstract:
An electroluminescent device and a display device are disclosed. The electroluminescent device includes a hole inject layer, a hole transport layer, an electroluminescent layer, an electron transport layer, and an electron inject layer. At least one of the hole inject layer, the hole transport layer, the electron transport layer, and the electron inject layer is a target film including a small molecular layer and a large molecular layer which are arranged in a stacked manner, and the small molecular layer has a thickness larger than that of the large molecular layer.
Abstract:
A display panel, a manufacturing method thereof and a display apparatus are provided. The display panel includes: a base substrate (10); a plurality of pixel units (P) are arranged on the base substrate (10); a pixel defining layer (11), located on the base substrate (10); the pixel defining layer (11) includes: a plurality of openings (U) located in all the pixel units (P) respectively, and a plurality of communicating grooves (T); and the openings corresponding to the two pixel units with the same color are connected through the communicating grooves (T).
Abstract:
An electroluminescent diode array substrate, a method of manufacturing the electroluminescent diode array substrate and a display panel are provided. The electroluminescent diode array substrate includes: a base substrate; and an auxiliary electrode, a pixel definition layer, a first electrode, a functional layer and a second electrode disposed on the base substrate, the pixel definition layer is provided with a via hole structure, the auxiliary electrode is disposed on at least one side of the via hole structure, and the second electrode is electrically connected with the auxiliary electrode. The electroluminescent diode array further comprises a planarization layer disposed between the base substrate and the pixel definition layer, and a conductive polymer layer. The via hole structure extends from the pixel definition layer and penetrates through the planarization layer, the auxiliary electrode comprises an embedment part embedded in the planarization layer.
Abstract:
There is provided an organic light-emitting diode including: a pixel defining layer on a substrate and having a plurality of openings for defining pixel regions, wherein each pixel region is a region including one pixel therein; a plurality of first pixel electrodes on the substrate and in the plurality of openings, respectively, each first pixel electrode being at a peripheral portion of a corresponding opening adjacent to the pixel defining layer; and a plurality of second pixel electrodes on the substrate and in the plurality of openings, respectively, each second pixel electrode being at a central portion of the corresponding opening. Each first pixel electrode is between the pixel defining layer and a corresponding second pixel electrode, and the plurality of first pixel electrodes and the plurality of second pixel electrodes are in a same layer. Each first pixel electrode includes a shape memory alloy material.
Abstract:
The present disclosure relates to an array substrate and a method for manufacturing the same. The array substrate includes a substrate having first regions for forming pixels and second regions located between the first regions, light shielding portions located within portions of the second regions adjacent to the first regions on the substrate, and pixel defining portions located within the second regions. At least a side surface of the light shielding portion adjacent to the first region is not covered by the pixel defining portion.
Abstract:
Provided are an array substrate, a display panel, a display apparatus and a preparation method therefor. The array substrate comprises: a base substrate; and multiple pixel units arranged on one side of the base substrate, each of the pixel units comprising: a thin-film transistor and an electroluminescent structure, and a shading structure located between the thin-film transistor and the base substrate, wherein the thin-film transistor comprises: an active layer located on one side, away from the base substrate, of the shading structure; the electroluminescent structure comprises: first electrodes for driving the pixel units; and one of the shading structure and the active layer is a same-layer structure fabricated by the same mask plate as the first electrodes so as to reduce the number of mask procedures required in preparation of an array substrate.
Abstract:
The present invention provides an organic light-emitting display substrate, a method of fabricating the same, an organic light-emitting display panel, and an organic light-emitting display device. The organic light-emitting display substrate comprises a pixel defining layer provided on a base substrate and configured to define a sub-pixel region, the pixel defining layer comprises an accommodation area corresponding to a sub-pixel, and a groove located on an outer peripheral side of the accommodation area. In a process of forming an organic light-emitting layer by means of inkjet printing, excessive ink flows into the groove on the outer peripheral side of the accommodation area, which facilitates matching between a volume of ink for forming the organic light-emitting layer and a thickness of an actual organic light-emitting layer.
Abstract:
A display substrate having a display area is provided. The display substrate includes a base and a plurality of light-emitting devices disposed on the base and located in the display area. Each light-emitting device includes a light-emitting portion. In at least one light-emitting device, the light-emitting portion is manufactured using an ink-jet printing process. Distances from a plurality of selected points on an edge of an orthographic projection of the light-emitting portion manufactured using the ink-jet printing process on the base to a center of the orthographic projection are equal. Using the center of the orthographic projection as a center of a circle and a distance from a selected point in the plurality of selected points to the center of the orthographic projection as a radius, the plurality of selected points are distributed on the circle at equal intervals.