Abstract: This present disclosure discloses a light-emitting device, preparation method therefor, and electronic apparatus including same. The light-emitting device including: a first substrate provided with a plurality of bottom electrode regions thereon, the plurality of bottom electrode regions include first bottom electrode regions, second bottom electrode regions, and third bottom electrode regions corresponding to first sub-pixels, second sub-pixels, and third sub-pixels; a pixel-defining layer on the first substrate, the pixel-defining layer having a plurality of openings formed therein, the plurality of openings each expose a corresponding bottom electrode region of a corresponding sub-pixel; a bank layer on the first substrate, the bank layer having a plurality of openings separated from each other formed therein; and a functional stack including first stack part, second stack part, and third stack part, the first stack part, the second stack part and each stack part at least includes a light-emitting layer.

Abstract: The present disclosure relates to an electroluminescent substrate and an electroluminescent device including the electroluminescent substrate. The electroluminescent substrate includes a substrate layer with pixel driving circuitry and an array of pixel areas arranged on the substrate. The pixel areas are defined by a pixel isolation structure, and at least a portion of the pixel areas includes a first electrode layer, a first insulating layer disposed on the first electrode layer, and multiple blank layers. Each blank layer is formed by and surrounded by at least a portion of the first insulating layer and separated from each other. The pixel isolation structure has a thickness greater than the thickness of the first insulating layer. At least a portion of the pixel areas has an interval in the interior of the corresponding first electrode layer.

Abstract: The disclosure provides a light-emitting device, a method of preparing the light-emitting device and an electronic device. The light-emitting device includes a plurality of first electrodes disposed above the substrate; a stack of functional layers disposed above the plurality of first electrodes, the stack including at least a light-emitting layer, the light-emitting layer including a plurality of units, the plurality of units being disposed in correspondence with corresponding first electrodes of the plurality of first electrodes, and adjacent units of the plurality of units being in contact with each other; and a second electrode, disposed above the stack.

Abstract: The present disclosure provides a liquid guiding component and a using method and application thereof. The liquid guiding component includes a plurality of liquid guiding grooves, each of which includes at least one inlet end, at least one outlet end, and a groove wall connecting the inlet end and the outlet end, the liquid guiding component includes a first side and a second side arranged opposite to each other, each of said inlet ends is arranged as liquid inlet on the first side and each of the outlet ends is arranged as the liquid outlet on the second side, and the liquid guiding grooves are used to transport liquid from the inlet ends to the outlet ends. The liquid guiding component can be used to precisely control the movement direction of the ejected ink.

Abstract: The present application relates to an ink formulation, and preparation methods of functional layer of optoelectronic devices. The ink formulation includes a component A and a component B, the component A including a first liquid, the component B including a second liquid and a functional material dispersed in the second liquid, the first liquid having a boiling point at least 10° C. higher than a boiling point of the second liquid; the first liquid and the second liquid are immiscible and the solubility of the functional material in the second liquid is ?1 g, the solubility of the functional material in the first liquid is ?0.05 g, the density of the first liquid is greater than the density of the second liquid, and the ratio of the surface tension of the first liquid to the surface tension of the second liquid ranges from 0.8 to 1.2.

Abstract: The present application relates to an ink formulation, and preparation methods of functional layer of optoelectronic devices. The ink formulation includes a component A and a component B, the component A including a first liquid, the component B including a second liquid and a functional material dispersed in the second liquid, the first liquid having a boiling point at least 10° C. higher than a boiling point of the second liquid; the first liquid and the second liquid are immiscible and the solubility of the functional material in the second liquid is ?1 g, the solubility of the functional material in the first liquid is ?0.05 g, the density of the first liquid is greater than the density of the second liquid, and the ratio of the surface tension of the first liquid to the surface tension of the second liquid ranges from 0.8 to 1.2.

Abstract: The present disclosure provides a liquid guiding component and a using method and application thereof. The liquid guiding component includes a plurality of liquid guiding grooves, each of which includes at least one inlet end, at least one outlet end, and a groove wall connecting the inlet end and the outlet end, the liquid guiding component includes a first side and a second side arranged opposite to each other, each of said inlet ends is arranged as liquid inlet on the first side and each of the outlet ends is arranged as the liquid outlet on the second side, and the liquid guiding grooves are used to transport liquid from the inlet ends to the outlet ends. The liquid guiding component can be used to precisely control the movement direction of the ejected ink.