A backlight structure and a display device are provided. The backlight structure includes a barrier wall pattern and light-emitting units. The barrier wall pattern includes openings and a barrier wall surrounding the openings, the openings are configured to define light regions; and the light-emitting units are distributed in the light regions. The backlight structure includes a central region and an edge region, each light region is provided with at least three light-emitting units, centers of M light-emitting units, closest to vertex angles of the light region are sequentially connected to form an M-sided polygon, and a distance between a center of the M-sided polygon and a center of the light region is less than 10% of a pitch of the light region, and an included angle between each of the first direction and the second direction and each side of the M-sided polygon is greater than 0 degrees.

A light emitting device including a protection layer including a first area and a second area having a greater thickness than the first area, a light emitting stacked structure including a plurality of semiconductor layers sequentially disposed one over another along a first direction on the first area of the protection layer, a plurality of via patterns electrically connected to the light emitting stacked structure and having a length along the first direction, and a plurality of pads electrically connected to the light emitting stacked structure through the via patterns, respectively, in which the second area of the protection layer does not overlap the light emitting stacked structure, and at least portion of the pads overlaps the second area of the protection layer and one of the via patterns.

A display device may include: a substrate including a display area including a pixel area, and a non-display area including a pad area and located at at least one side of the display area; a pixel in the pixel area, the pixel including an emission area in which at least one light emitting element is located, and a non-emission area adjacent to the emission area; a pad in the pad area, the pad being electrically connected to the pixel; a first layer on the light emitting element at the pixel area; and a second layer in the pixel area and the pad area, the second layer including a pad opening formed exposing at least a portion of the pad. The first layer may include an organic layer including a hollow particle. The first layer may be spaced from the pad opening and covered with the second layer.

An electronic device includes a light-emitting element layer including a (1-1)-th typical light-emitting element and a (2-1)-th typical light-emitting element, a reflection preventing layer disposed on the light-emitting element layer, and including a light-shielding layer, in which a plurality of openings respectively corresponding to a (1-1)-th light-emitting area defined in the (1-1)-th typical light-emitting element, and a (2-1)-th light-emitting area defined in the (2-1)-th typical light-emitting element is defined, a light-shielding pattern disposed on the reflection preventing layer, and surrounding the (2-1)-th light-emitting area in a plan view, and a color filter pattern overlapping the light-shielding pattern, and surrounding the (2-1)-th light-emitting area in the plan view.

A producing method for a light-emitting device including a black matrix in at least a part of peripheries of light-emitting elements on a wiring substrate includes: a step of allowing a black transfer film with a black transfer layer formed on one side of a light-transmitting base material to face, from the black transfer layer side, the substrate before the light-emitting elements are disposed; a step of applying laser light to the black transfer film from the base material side, transferring pieces of the black transfer layer to positions on the substrate of the light-emitting elements; and a step of disposing and mounting the light-emitting elements on the pieces of the black transfer layer that have been transferred to the substrate, deforming the black transfer layer to form a black matrix in at least a part of the peripheries of the light-emitting elements and connecting the elements to the substrate.

A light-emitting component includes a connection board with a mounting side. The light-emitting component also includes a light source. The light source is fastened and electrically connected to the connection board on the mounting side. The light-emitting component further includes a cover which covers the connection board in places on its mounting side and laterally surrounds the light source. The light-emitting component additionally includes an optical element. The optical element has a central region which is arranged downstream of the light source on the mounting side of the connection board. A provision is made to prevent impingement of light in the central region of the optical element.

A display apparatus includes a substrate, a pixel circuit layer disposed on the substrate and including a pixel circuit, a metal layer disposed on the pixel circuit layer, a pixel electrode disposed on the metal layer, a first bank layer disposed on the pixel electrode to cover the metal layer and including a first opening extending to at least a portion of the pixel electrode, an intermediate layer disposed on the pixel electrode and the first bank layer, an opposite electrode disposed on the intermediate layer, a first connection electrode disposed on the opposite electrode, and a second bank layer disposed on the first bank layer to cover at least a portion of the first connection electrode and including a second opening overlapping the first opening.

A display device includes: a first light emitting element; a (1-2)-th transistor including a gate electrode connected to a first scan line, a drain electrode connected to a first data line, and a source electrode; a second light emitting element; a (2-2)-th transistor including a gate electrode connected to the first scan line, a drain electrode connected to a second data line, and a source electrode; a first data connection electrode connected to the first data line and the drain electrode of the (1-2)-th transistor; and a second data connection electrode connected to the second data line and the drain electrode of the (2-2)-th transistor. At least one of the drain electrode of the (1-2)-th transistor or the first data connection electrode is cut, the second data connection electrode is cut, and the second data connection electrode and the first data line are connected to each other.

A method of fabricating a display device includes: providing a substrate; forming an electrode layer on the substrate; bonding a light emitting element to the electrode layer; forming a light blocking layer to cover at least a portion of the light emitting element; ashing the light blocking layer; and forming a color filter on the light emitting element.

A display device includes: a substrate including a first narrow pixel and a first wide pixel; a first electrode on the substrate; a light emitting layer on the first electrode; a second electrode on the light emitting layer; an encapsulation layer on the second electrode; and a capping layer between the second electrode and the encapsulation layer, where a thickness of the capping layer of the first narrow pixel is greater than a thickness of the capping layer of the first wide pixel.