Najing Technology Corporation Limited

Changgua Zhen

Xinyan Gu

Junjun Peng

Haitao Guo

Huajin Ren

The present disclosure provides a light-emitting device. The light-emitting device includes a substrate layer and pixel isolation structures disposed on a first surface of the substrate layer, a plurality of sub-pixel regions isolated from each other are formed between the pixel isolation structures, and the light-emitting device further include a plurality of light-emitting units disposed one-to-one in each of the sub-pixel regions for emitting different wavelengths of light, the light-emitting units being electroluminescent devices, and an initial external quantum efficiency of each of the light-emitting units being different; a plurality of light extraction structures disposed one-to-one in at least part of the plurality of sub-pixel regions for increasing an external quantum efficiency of the corresponding light-emitting unit, reducing deviations of the actual external quantum efficiency of each of the light-emitting units.

Light-emitting device

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.

Liquid guiding component and using method and application thereof

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&#xb0; 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 &#x2265;1 g, the solubility of the functional material in the first liquid is &#x2264;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.

Ink formulation, optoelectronic devices, and preparation methods of functional layer of optoelectronic devices

A manufacturing method for a light emitting device, a light emitting device, and a hybrid light emitting device, the manufacturing method comprises the following steps: step S: disposing a mask plate having a plurality of hollow portions on a substrate; step S: applying, by using a solution method, ink on a surface of the substrate by using the hollow portions; and step S: drying or solidifying the ink on the surface of the substrate to form a light emitting layer or a functional layer.

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Zhejiang, China

Changgua Zhen