A display panel includes a first array substrate and multiple light-emitting elements. A light-emitting element includes a first binding electrode and a second binding electrode. The first array substrate includes multiple pixel disposition regions. A pixel disposition region includes a first pad and/or a second pad. The first binding electrode is electrically connected to the first pad, and the second binding electrode is electrically connected to the second pad. The area of the projection of the first pad on the plane on which the display panel is located is greater than or equal to N times the area of the projection of the first binding electrode on the plane, and/or the area of the projection of the second pad on the plane is greater than or equal to N times the area of the projection of the second binding electrode on the plane, where N2.

A light emitting device may include a substrate. A light emitting element layer may be disposed on the substrate and may include light emitting elements having a rod shape. A color conversion layer may be disposed on the light emitting element layer and may include color conversion elements having a rod shape. A first alignment direction of the light emitting elements and a second alignment direction of the color conversion elements may be substantially parallel to each other or intersect at a predetermined angle.

A method of porosification of a structure including a base substrate covered with (Al,In,Ga)N/(Al,In,Ga)N mesas, including a porosification step during which the (Al,In,Ga)N/(Al,In,Ga)N mesas are electrochemically porosified, during the porosification step, the structure further comprises, between the mesas or between groups of mesas, electrically-conductive lines covered with an electrically-insulating element.

A display device includes a first substrate including a plurality of light-emitting elements arranged two-dimensionally, and a second substrate stacked on the first substrate. At least the second substrate is transparent. The second substrate includes a repair light-emitting element arranged on the second substrate at a position thereon that corresponds to a defective light-emitting element on the first substrate.

Disclosed are a light-emitting device, a manufacturing method thereof, and a display screen. In the light-emitting device, an isolation trench is formed from one side of the first semiconductor layer to one side of the second semiconductor layer. A reflective structure is formed on the side wall of the isolation trench and the first semiconductor layer, which helps to reduce light loss and improving the light output efficiency of the device. The isolation trench does not completely penetrate the second semiconductor layer, so that the second semiconductor layer located on the light output surface side is a continuous and uninterrupted integrated structure, and a surface thereof remains flat so that the transparent conductive layer has a flat structure, improving the overall coverage of the transparent conductive layer. The present invention has no cracks, peeling problems, thus improving the electrical stability of the device and increasing the reliability thereof.

Disclosed is a display device including a substrate as well as a plurality of pixels and at least one reflective element located over the substrate. Each of the plurality of pixels has a pixel circuit and a light-emitting element, and the light-emitting element has a pixel electrode electrically connected to the pixel circuit, a first stack structure over the pixel electrode, and a common electrode over the first stack structure. At least one reflective element has a lower electrode, a second stack structure over the lower electrode, and a reflective film overlapping the second stack structure. Each of the first stack structure and the second stack structure includes a plurality of inorganic semiconductor layers.

A light-emitting substrate has a display region and a peripheral region located on at least one side of the display region, the peripheral region includes a first peripheral region, and the first peripheral region and the display region are spaced apart in a first direction. The light-emitting substrate includes: a substrate; a first conductive layer disposed on the substrate, the first conductive layer including a plurality of signal lines located in the display region; an insulating layer covering the plurality of signal lines; and a second conductive layer disposed on the insulating layer. The insulating layer includes a first insulating layer and a second insulating layer sequentially stacked in a direction away from the substrate; and at least between the first peripheral region and the display region, at least part of edges of the first insulating layer exceeds an edge of the second insulating layer.

The present invention is applicable to the technical field of display devices and relates to a display device which uses, for example, a light-emitting diode (LED). To achieve the aforementioned objective, the present invention comprises: a wiring board; a light-emitting element which is composed of individual pixels and arranged on the wiring board; an insulation layer which is located at least on a side surface of the light-emitting element; and a black-colored layer which is located on the insulation layer, wherein the black-colored layer may include a material formed by modifying the material constituting the insulation layer.

A display comprises a plurality of LEDs on a substrate. Each pixel of the display comprises one or more LEDs of the plurality of LEDs and a transparent region of the display. The transparent region transmits light external to the display through the display.

Provided is a display substrate, including an array substrate, a connection layer, and a light-emitting functional layer, wherein the connection layer is disposed between the array substrate and the light-emitting functional layer; and the connection layer is provided with a plurality of via holes, and the light-emitting functional layer comprises a plurality of light-emitting units, wherein each of the light-emitting units is electrically connected with a conductive structure in at least one via hole, and an orthographic projection of the via hole on a carrying surface of the connection layer is disposed outside an orthographic projection of a light-emitting region of a corresponding light-emitting unit on the carrying surface.