Abstract: A display device according to an embodiment includes a display unit having a plurality of light emitting regions, a non-light emitting region positioned between the adjacent light emitting regions, and a color conversion unit overlapping the display unit and including a bank layer and a spacer, the bank layer has an opening corresponding to the light emitting region and a bank hole corresponding to the non-light emitting region, the bank hole overlapping the spacer on a plane, and at least a portion of an edge of the bank layer around the bank hole includes a low liquid repellent portion having a lower liquid repellency than a remaining surface of the bank layer.

Abstract: An embodiment provides a display device including: a first pixel, a second pixel, and a third pixel that form one dot and display different colors; a first light emitting element disposed in the first pixel, a second light emitting element disposed in the second pixel, and a third light emitting element disposed in the third pixel; and a first color conversion area in which a first color conversion layer overlapping the first light emitting element is disposed, a second color conversion area in which a second color conversion layer overlapping the second light emitting element is disposed, and a third color conversion area in which a third color conversion layer overlapping the third light emitting element is disposed, wherein the first color conversion area, the second color conversion area, and the third color conversion area have polygonal planar shapes having at least 5 sides.

Abstract: A display device includes: a first substrate including a display area to emit a light having a peak wavelength from light emitting areas and a non-display area surrounding the display area; and a second substrate including transparent areas overlapping the light emitting areas and to convert the peak wavelength of the light or to transmit the light through the transparent areas. The second substrate includes: a base layer including the transparent areas, an inner light blocking area arranged between the transparent areas, and an outer light blocking area arranged outside the transparent areas; a color filter on the base layer; and a light blocking layer above the color filter and including an outer light blocking layer overlapping the outer light blocking area and an inner light blocking layer overlapping the inner light blocking area.

Abstract: An inkjet printing apparatus, method of printing ink using the same and method of fabricating display device are provided. The method of printing ink includes: ejecting ink in which a plurality of particles is dispersed from an inkjet head; irradiating the ejected ink with a first light and a second light having different wavelengths to acquire data on a first exit light and a second exit light emitted from the ink; calculating a concentration of the particles in the ink from the data on the first exit light and the second exit light; and checking whether the concentration is out of an error range from a reference value, where the first light has a wavelength of about 500 nm or less, and the second light has a wavelength of about 1000 nm or more.

Abstract: A display device may include a display panel, a first light conversion layer, a second light conversion layer, and a light transmission layer that are disposed on the display panel and spaced apart from each other, a support layer that is disposed between the first light conversion layer and the second light conversion layer; and a bank layer that is disposed on the display panel to define openings in which the first and second light conversion layers are disposed, and is disposed on the support layer and between the first and second light conversion layers. The support layer and the light transmission layer may include a same material.

Abstract: A display device includes a first base substrate, a display structure, a second base substrate facing the first base substrate, a bank portion disposed between the first base substrate and the second base substrate in first and second areas and including openings overlapping the first and second areas, a color conversion layer disposed in the openings, and an alignment mark disposed in a corner opening among the openings disposed at at least one edge of the second area, positioned on a same line in a first direction as a center part of an opening adjacent to the corner opening among the openings in the first direction, and having a center part positioned on a same line in a second direction as a center part of an opening adjacent to the corner opening among the openings in the second direction intersecting the first direction.

Abstract: A display device includes: a first substrate including a first light emitting area, a second light emitting area, and a third light emitting area that are configured to emit light of different colors, respectively; a light emitting element on the first substrate and overlapping each of the first, second, and third emitting areas; a bank layer on the light emitting element and defining a first opening overlapping the first light emitting area, a second opening overlapping the second light emitting area, and a third opening overlapping the third light emitting area; and an optical filter filling the first, second, and third openings, wherein each of the first opening and the third opening has a rectangular planar shape and the second opening has an “L” shape planer shape.

Abstract: A display device includes: a first substrate including a display area to emit a light having a peak wavelength from light emitting areas and a non-display area surrounding the display area; and a second substrate including transparent areas overlapping the light emitting areas and to convert the peak wavelength of the light or to transmit the light through the transparent areas. The second substrate includes: a base layer including the transparent areas, an inner light blocking area arranged between the transparent areas, and an outer light blocking area arranged outside the transparent areas; a color filter on the base layer; and a light blocking layer above the color filter and including an outer light blocking layer overlapping the outer light blocking area and an inner light blocking layer overlapping the inner light blocking area.

Abstract: A display device includes a display area, a peripheral area disposed outside the display area, and a sealing area disposed outside the peripheral area, a first base substrate, a second base substrate facing the first base substrate, a color filter layer disposed under the first base substrate, a bank layer disposed under the color filter layer, and a sealing member disposed between the bank layer and the second base substrate in the sealing area. The bank layer includes bank patterns defining an opening disposed at least in the sealing area, and the sealing member fills the opening. Each of the bank patterns includes a first surface adjacent to the color filter layer and a second surface opposite to the first surface and adjacent to the sealing member. A width of the second surface is greater than a width of the first surface.

Abstract: An inkjet printing apparatus, method of printing ink using the same and method of fabricating display device are provided. The method of printing ink includes: ejecting ink in which a plurality of particles is dispersed from an inkjet head; irradiating the ejected ink with a first light and a second light having different wavelengths to acquire data on a first exit light and a second exit light emitted from the ink; calculating a concentration of the particles in the ink from the data on the first exit light and the second exit light; and checking whether the concentration is out of an error range from a reference value, where the first light has a wavelength of about 500 nm or less, and the second light has a wavelength of about 1000 nm or more.

Abstract: A color-converting substrate including light-emitting areas and a light-blocking area surrounding the light-emitting areas, the light-emitting areas including first light-emitting areas configured to emit a same color light and spaced apart from each other by the light-blocking area, a partition wall including a first opening continuously overlapping the first light-emitting areas and a first portion of the light-blocking area disposed between the first light-emitting areas, a first color-converting layer including a wavelength-converting material and disposed in the first opening to overlap the first light-emitting areas and the first portion of the light-blocking area, and a color filter layer including a portion configured to block a first color light emitted through the first light-emitting areas, the color filter layer overlapping the first color-converting layer and the first portion of the light-blocking area.

Abstract: A display device includes a substrate including a light transmission region and a light blocking region, a first color filter pattern which is on the substrate and selectively transmits light of a first color, a bank layer facing the substrate with the first color filter pattern therebetween, in the light transmission region each of a first opening defined in the bank layer and a wavelength control pattern in the first opening of the bank layer, and in the light blocking region each of a second opening defined in the bank layer and spaced apart from the first opening; and a spacer in the second opening of the bank layer. Each of the first opening and the second opening corresponds to the first color filter pattern.

Abstract: A method for manufacturing a display device including forming a first color filter transmitting a first color light on a base substrate to overlap first light-emitting areas, forming a second color filter transmitting a second color light different from the first color light to overlap second light-emitting areas and a first portion of a light-blocking area disposed between the first light-emitting areas, forming a partition wall including a first opening continuously overlapping the first light-emitting areas and the first portion of the light-blocking area, providing a first composition including a wavelength-converting material in the first opening, and curing the first composition to form a first color-converting layer.

Abstract: A display panel includes a first pixel area and a second pixel area. A division partition wall includes an opening corresponding to at least the first pixel area. A light conversion pattern for changing the color of source light is disposed inside the opening. An optical pattern is arranged to correspond to the second pixel area. The optical pattern transmits the source light therethrough. The optical pattern may have a shape integrally formed with or different from the division partition wall.

Abstract: An inkjet circulation apparatus may include at least one inkjet printer including a supplier into which an ink is injected, a discharger connected to the supplier, and discharging the ink injected from the supplier, and a drain connected to the discharger and the supplier, and injecting the ink in the discharger into the supplier, at least one collector capable of containing an inert gas and the ink discharged from the discharger, and a contact member sealing between the discharger and the collector.

Abstract: Disclosed are display panels and methods of manufacturing substrates. The display panel comprises a lower display substrate that includes a plurality of light emitting elements, and an upper display substrate that includes a color control layer and is on the lower display substrate. The color control layer includes a plurality of walls each of which includes a wall base including an organic material and a reflective layer including a metallic material, and the color control layer also includes a plurality of color control parts which are disposed between the plurality of walls and at least one of which includes a quantum dot. The reflective layer surrounds at least a portion of a sidewall of the wall base, which results in an increase in luminous efficiency and an improvement in brightness.

Abstract: A display apparatus includes: a display element layer having first to third light-emitting regions and a non-light-emitting region, and including light-emitting elements along one direction and corresponding to the first to third light-emitting regions to provide source light; a light control unit on the display element layer, and including a base resin and scatters, and having openings overlapping with the first and second light-emitting regions; light conversion units in the openings, and including quantum dots; and first to third color filters on the light control unit and the light conversion units, and overlapping with the first to third light-emitting regions. The light control unit includes a first portion overlapping with the non-light-emitting region, and a second portion overlapping with the third light-emitting region, that form a step difference with each other; and a width of the first portion is greater than a thickness of the second portion.

Abstract: A light emitting diode display includes: a first panel including an emission layer and a pixel definition layer having an opening for a light emitting diode (LED); and a second panel positioned on the first panel and including a bank and a plurality of spacing elements, wherein the bank overlap the plurality of spacing elements and includes a plurality of spacer support portions extending longitudinally in a first direction a greater than it extends in a second direction intersecting the first direction, and the plurality of spacing elements are disposed on the plurality of spacer support portions.

Abstract: A display device, in which a plurality of pixel units respectively including a first pixel area, a second pixel area, a third pixel area, and a fourth pixel area are defined, includes a third light-emitting element corresponding to the third pixel area, and a fourth light-emitting element corresponding to the fourth pixel area, a first color filter portion overlapping the third pixel area, and a second color filter portion overlapping the fourth pixel area, where the first color filter portion of one pixel unit and the second color filter portion of another pixel unit adjacent to the one pixel unit are integrally formed with each other as a single unitary indivisible part to define a third color filter.

Abstract: A display panel includes: a light emitting device layer including a light emitting area to emit a first color light; a partition layer on the light emitting device layer, and having a first opening overlapping with the light emitting area, and a second opening adjacent to the first opening; and a light control pattern located in the first opening to convert the first color light to a second color light. The partition layer includes: a first partition defining the first opening; a second partition extending from the first partition, and defining the second opening; and a junction area corresponding to a location where the second partition is joined to the first partition adjacent thereto. The junction area includes a first-side area, and a second-side area having an asymmetric shape with respect to the first-side area based on an extending direction in which the second partition extends.