Abstract: A manufacturing apparatus of a display device, includes: a first unit to transfer a plurality of light emitting elements on a growth substrate to a first film; a second unit to expand the first film; a third unit to retransfer the plurality of light emitting elements to a second film; a fourth unit to determine positions of the plurality of light emitting elements on the second film; a fifth unit to bin the light emitting elements on the second film, and determine an effective light source from among the light emitting elements; a sixth unit to form a plurality of pixels on a substrate, each pixel including a first bonding electrode; a seventh unit to remove the second film after transferring one light emitting element to the first bonding electrode of one pixel; and an eighth unit to form a second electrode on the one light emitting element.

Abstract: There is provided a display device including a display panel including first panel pads arranged along a plurality of rows, each of the rows extending in a first direction in a plan view, wires extending in a second direction crossing the first direction, each of the wires including a first bonding portion attached to a corresponding one of the first panel pads, and a first circuit board including first pads connected to the wires. The first panel pads in a first row of the plurality of rows in a plan view are exposed in the second direction crossing the first direction between the first panel pads in a second row neighboring to the first row of the plurality of rows.

Abstract: A display device is provided. The display device comprises a first substrate including a display area, and a non-display area surrounding the display area, light emitting elements in the display area on the first substrate, pads in the non-display area, and a circuit board including circuit board pads connected to the pads, and including a first cover layer facing the first substrate, and defining first opening holes formed to correspond to the circuit board pads, a metal layer on the first cover layer and having the circuit board pads therebelow, and a second cover layer on the metal layer, and defining second opening holes exposing a portion of the metal layer.

Abstract: According to some embodiments of the present disclosure, there is provided a display device including a substrate, a light emitting element on the substrate and emitting first light, a wavelength conversion layer on the light emitting element and including wavelength conversion particles for converting the first light into second light, a first selective transmission film between the light emitting element and the wavelength conversion layer and reflecting the first light and the second light, which are incident from the wavelength conversion layer, and a second selective transmission film on the wavelength conversion layer and reflecting the first light incident from the wavelength conversion layer and transmitting the second light.

Abstract: There is provided a display device including a base substrate, a conductive connection layer on the base substrate, a partitioning wall on the conductive connection layer, and a light emitting element on the conductive connection layer and in a space surrounded by the partitioning wall in a plan view, wherein the conductive connection layer includes a first portion overlapping the partitioning wall and the light emitting element, and a second portion not overlapping the partitioning wall and the light emitting element, an electrical conductivity of the first portion being greater than an electrical conductivity of the second portion.

Abstract: A display device includes: a base layer; and light-emitting elements on a first surface of the base layer. The base layer includes groove patterns that are recessed from a second surface of the base layer, and the groove patterns overlap with the light-emitting elements, respectively.

Abstract: In a method of manufacturing a display device, first and second panels are aligned by using an alignment apparatus. The first panel includes pixel driving circuits arranged on a first substrate, each of the pixel driving circuits includes a transistor and a pixel electrode connected to the transistor, and the second panel includes light emitting elements arranged on a second substrate. An end portion of at least one of the light emitting elements is bonded to the pixel electrode by using a bonding apparatus, and a lighting test is performed on a mother panel by using a test apparatus. The mother panel includes the first panel and the second panel, and is divided into a plurality of display panels in plan view. A defect management map for the plurality of display panels is generated based on a result of the lighting test.

Abstract: A display device includes a first substrate including a display area, a non-display area, and a plurality of pixel circuit units in the display area and the non-display area, a plurality of light emitting elements on the first substrate in the display area, the plurality of light emitting elements being electrically connected to the pixel circuit units, a hole mask layer on the first substrate and including a plurality of holes corresponding to the light emitting elements, a second substrate on the hole mask layer and including a plurality of open holes corresponding to the plurality of holes, and a plurality of light exit patterns in the plurality of the open holes of the second substrate corresponding to the plurality of holes, wherein each of the light exit patterns includes a first part in one of the plurality of open holes.

Abstract: A display device includes: a first substrate; a plurality of light-emitting elements on the first substrate; a second substrate opposite to the first substrate, and including one face facing the first substrate, and an opposite face to the one face; a plurality of grooves at the opposite face of the second substrate; a plurality of wavelength conversion layers, each of the wavelength conversion layers being located in a corresponding groove of the plurality of grooves to convert a wavelength of light emitted from a corresponding light-emitting element of the plurality of light-emitting elements; and a plurality of color filters on the wavelength conversion layers, respectively.

Abstract: A display device includes a first substrate, light emitting elements and a connection electrode on a first surface of the first substrate, and electrically connected to the light emitting elements, first pads spaced from the connection electrode in a direction, second pads spaced from the connection electrode in another direction, a circuit board including a first circuit board pad and a second circuit board pad, a first pad connection electrode connected to the first pads and the first circuit board pad, and including a first connection part in a first via hole passing through the first substrate, and a first electrode part on the first substrate, and a second pad connection electrode connected to the second pads and the second circuit board pad, and including a second connection part in a second via hole passing through the first substrate, and a second electrode part on the first substrate.

Abstract: A display device may include a display element part disposed on a substrate and including a light emitting element, and a color conversion part disposed on the display element part and changing a wavelength of light emitted from the light emitting element. The color conversion part may include an insulating structure layer, a first partition wall structure layer, and a first wavelength conversion portion, the first partition wall structure layer may include first walls, and may be disposed between the insulating structure layer and the display element part, the first wavelength conversion portion may be disposed in a space defined by the first walls, and the first partition wall structure layer may include a silicon-based material.

Abstract: A display device includes a substrate; a partition wall on the substrate; a light-emitting element located in an emission area partitioned by the partition wall on the substrate and extended in a thickness direction of the substrate; a wavelength conversion layer over the light-emitting element in the emission area, and including a base resin and wavelength conversion particles dispersed in the base resin and configured to convert a wavelength of light emitted from the light-emitting element; and an optical member on the wavelength conversion layer and the partition wall and configured to adjust a path of light output from the wavelength conversion layer, and the optical member includes an optical layer and a first protruding pattern protruding from the optical layer toward the wavelength conversion layer.

Abstract: A display device including a display panel including a first panel pad, a first circuit board including a first pad spaced from the first panel pad and a coating member on the first pad, and a wire connecting the first panel pad and the first pad to each other. The coating member includes a same material as the wire and integrally connected to the wire.

Abstract: A display device may include: a substrate including a display area and a non-display area; and a pixel located in the display area, the pixel having an emission area and a pixel circuit area. The pixel may include: at least one transistor located in the pixel circuit area; a first pad electrode and a second pad electrode spaced from each other and located in the emission area, the first pad electrode and the second pad electrode being electrically connected to the at least one transistor; a first through hole penetrating one region of the first pad electrode; a second through hole penetrating one region of the second pad electrode; and a light emitting element located in the emission area, the light emitting element being electrically connected to the first pad electrode and the second pad electrode.

Abstract: A head mounted display device includes a lens assembly which changes a path of light; a main display module which outputs a main image and is positioned in front of the lens assembly; a main optical block which shields at least a portion of a light representing the main image such that the light representing the main image faces the lens assembly; a sub-display module disposed on a side of the main optical block and which outputs a sub-image; a sub-optical block positioned on the side of the main optical block and which shields at least a portion of a light representing the sub-image; and a light path converter positioned in the sub-optical block and which changes a path of the light representing the sub-image such that the light representing the sub-image faces the lens assembly.

Abstract: A display device includes a display unit that includes a plurality of pixels; a first lens array unit that includes a plurality of first lenses; and a second lens array unit disposed between the first lens array unit and the display unit and that includes a plurality of second lenses. Each of the first lenses overlaps two or more of the pixels, and a pitch of the second lenses is less than a pitch of the first lenses.

Abstract: A display device and a method of manufacturing the same are provided. The display device includes a display panel including a series of pixels, each pixel including N sub-pixels, where N is an integer of 2 or greater; and a lens array on a surface of the display panel, the lens array including a series of lenses, wherein each of the lenses overlaps with M sub-pixels, where M is an integer greater than N.

Abstract: A method of manufacturing a cover window for a display device includes: providing a glass substrate having a bendable area and a flat area; modifying the bendable area by irradiating the glass substrate with a beam; and etching the bendable area to have a thinner thickness than the flat area. The bendable area may have a faster etch rate than the flat area due to the modifying of the bendable area.

Abstract: A head mounted display device includes a lens assembly which changes a path of light; a main display module which outputs a main image and is positioned in front of the lens assembly; a main optical block which shields at least a portion of a light representing the main image such that the light representing the main image faces the lens assembly; a sub-display module disposed on a side of the main optical block and which outputs a sub-image; a sub-optical block positioned on the side of the main optical block and which shields at least a portion of a light representing the sub-image; and a light path converter positioned in the sub-optical block and which changes a path of the light representing the sub-image such that the light representing the sub-image faces the lens assembly.

Abstract: An electronic device includes a display panel, a first optical part, and a second optical part including a diffraction optical element having a diffraction grating. The display panel include a first display area for displaying a first image having a first color, a second display area disposed adjacent to the first display area to display a second image having a second color different from the first color, and a third display area disposed adjacent to the second display area to display a third image having a third color different from the first color and the second color.