H10K71/135

Droplet ejecting apparatus having carriage marks, droplet ejecting method, and computer storage medium

A droplet ejecting apparatus includes a workpiece table configured to place a workpiece thereon, a droplet ejecting head configured to eject droplets onto the workpiece placed on the workpiece table, a Y-axis linear motor configured to move the workpiece table in a main scanning direction (Y-axis direction), a position detector configured to detect a position of a carriage mark, and a control unit configured to calculate the positional deviation amount in the main scanning direction between a detection position detected by the position detector and a reference position of the carriage mark and correct a droplet ejecting timing of the droplet ejecting head based on the positional deviation amount.

Condensing assembly, vacuum drying device, and method for manufacturing a display substrate
11574938 · 2023-02-07 · ·

A condensation assembly includes a condensation plate and a plurality of sumps. The condensation plate includes a plate body and a plurality of protrusions on a surface of the plate body, and the plurality of protrusions are spaced apart. The plurality of sumps are disposed at a side of the plurality of protrusions away from the plate body. Each sump of the plurality of sumps is disposed opposite to at least one of the plurality of protrusions, and has an opening facing the at least one protrusion disposed opposite to the sump. There is a gap between the plurality of sumps and the condensation plate.

LIGHT EMITTING ELEMENT SOLVENT, LIGHT EMITTING ELEMENT INK COMPRISING SAME, AND METHOD FOR MANUFACTURING DISPLAY DEVICE

A light emitting element ink includes a light emitting element solvent, and a light emitting element dispersed in the light-emitting diode solvent. The light emitting element includes semiconductor layers and an insulating film surrounding the outer surface of the semiconductor layers, wherein the light-emitting diode solvent is an organic solvent having a pKa value in a range of about 7 to about 15.

DISPLAY DEVICE AND METHOD OF MANUFACTURING DISPLAY DEVICE
20230094724 · 2023-03-30 ·

A display device has a display area in which there is provided a plurality of pixels and a frame area surrounding the display area. The display device includes, in the display area: a substrate; a thin film transistor layer; a light-emitting element layer including a plurality of light-emitting elements configured to emit light of mutually different colors; and a sealing layer in this order. The plurality of light-emitting elements include a cathode, an electron transport layer, a light-emitting layer, a hole transport layer, and an anode in this order from a substrate side. The electron transport layer includes oxide nanoparticles and a binder resin. On an electron transport layer side of the cathode, there is provided an undercoat layer in contact with the electron transport layer.

INK COMPOSITION AND ELECTRONIC DEVICE INCLUDING FILM FORMED USING THE INK COMPOSITION
20230095507 · 2023-03-30 ·

An ink composition includes: a quantum dot including one or more ligands on a surface thereof; a first monomer including one or more epoxy groups; and a second monomer including one or more oxetane groups, wherein the one or more ligands include one or more polar moieties. An electronic apparatus includes a film formed utilizing the ink composition.

INK COMPOSITION AND ELECTRONIC DEVICE INCLUDING FILM FORMED USING THE INK COMPOSITION
20230098571 · 2023-03-30 ·

An ink composition including: a quantum dot including one or more ligands on a surface of the quantum dot; a first monomer including one or more epoxy groups; a second monomer including one or more oxetane groups; and a vinyl group-containing compound including one or more vinyl groups, wherein the one or more ligands include one or more polar moieties. Also provided is an electronic apparatus including a film formed using the ink composition, and a light emitting device.

ELECTROLUMINESCENT DIODE ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF AND DISPLAY PANEL
20230033003 · 2023-02-02 ·

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.

High resolution organic light-emitting diode devices, displays, and related methods
11489019 · 2022-11-01 · ·

A method of manufacturing an organic light-emitting diode display comprising a substrate having a well-defined by a confinement structure, the well containing a first electrode and a second electrode spaced from each other, wherein the method may comprise depositing a light-emissive material in the well via ink-jet printing, thereby forming a substantially continuous light-emissive material layer in the well from the deposited light-emissive material, the light-emissive material layer spanning and contained within boundaries of the well, wherein a surface of the light-emissive material layer that faces away from the substrate has a non-planar topography. The method may further comprise positioning a common electrode over the light-emissive material layer.

Apparatus and techniques for electronic device encapsulation

A method for providing a substrate coating comprises transferring a substrate to an enclosed ink jet printing system; printing organic material in a deposition region of the substrate using the enclosed ink jet printing system, the deposition region comprising at least a portion of an active region of a light-emitting device on the substrate; loading the substrate with the organic material deposited thereon to an enclosed curing module; supporting the substrate in the enclosed curing module, the supporting the substrate comprising floating the substrate on a gas cushion established by a floatation support apparatus; and while supporting the substrate in the enclosed curing module, curing the organic material deposited on the substrate to form an organic film layer.

Quantum dot composition, light-emitting device and method of manufacturing light-emitting device

A quantum dot composition includes quantum dots and a leveling agent, wherein the leveling agent includes a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 2: ##STR00001##
A light-emitting device and a method of manufacturing the same are also provided.