A display module includes: a substrate including a mounting surface on which a plurality of inorganic light-emitting diodes emitting light in a first direction are mounted, a side surface, and a rear surface being opposite to the mounting surface; a front cover bonded with the mounting surface and covering the mounting surface in the first direction; a metal plate bonded with the rear surface; a side cover surrounding the side surface; and a side end member covering at least one portion of the side cover and extending in a second direction being orthogonal to the first direction along the side surface, wherein the side end member includes a body extending in the second direction, and a plurality of ribs extending from the body in the first direction and arranged at intervals along the second direction.

A panel substrate includes a mother substrate having a plurality of cell regions and a peripheral region surrounding the plurality of cell regions. A protective layer is disposed under the mother substrate. The protective layer includes a plurality of main parts overlapping the plurality of cell regions, and a plurality of bridge patterns overlapping the peripheral region. The plurality of bridge patterns connecting main parts adjacent to each other among the plurality of main parts.

A panel substrate includes a mother substrate having a plurality of cell regions and a peripheral region surrounding the plurality of cell regions. A protective layer is disposed under the mother substrate. The protective layer includes a plurality of main parts overlapping the plurality of cell regions, and a plurality of bridge patterns overlapping the peripheral region. The plurality of bridge patterns connecting main parts adjacent to each other among the plurality of main parts.

Provided is a tiled display device including modules adjacent to each other, each module including a substrate, a light emitting element on the substrate, an electrode configured to apply a voltage to the light emitting element, and a chamfered portion including a surface chamfered along a corner portion of each module of the modules, the chamfered portion being inclined with respect to a surface of the substrate, and a seam portion between adjacent modules of modules, the seam portion being filled with a transparent resin.

Provided is a tiled display device including modules adjacent to each other, each module including a substrate, a light emitting element on the substrate, an electrode configured to apply a voltage to the light emitting element, and a chamfered portion including a surface chamfered along a corner portion of each module of the modules, the chamfered portion being inclined with respect to a surface of the substrate, and a seam portion between adjacent modules of modules, the seam portion being filled with a transparent resin.

A light-emitting device includes a light-emitting element having first to fourth outer edges and including: an inner light-emitting portion including an inner semiconductor structure and inner electrodes; and an outer light-emitting portion surrounding an entire periphery of the inner light-emitting portion in the plan view and including an outer semiconductor structure, a first outer electrode including first to fourth extending portion respectively extending along the first outer edge, one of the third and fourth outer edges, the second outer edge, and the other of the third and fourth outer edges. An outermost surface of the light-emitting element includes surfaces of the inner and outer semiconductor structures. In the plan view, a first gap is between end portions of the first and fourth extending portions, and a second gap is between end portions of the second and third extending portions.

A light-emitting device includes a light-emitting element having first to fourth outer edges and including: an inner light-emitting portion including an inner semiconductor structure and inner electrodes; and an outer light-emitting portion surrounding an entire periphery of the inner light-emitting portion in the plan view and including an outer semiconductor structure, a first outer electrode including first to fourth extending portion respectively extending along the first outer edge, one of the third and fourth outer edges, the second outer edge, and the other of the third and fourth outer edges. An outermost surface of the light-emitting element includes surfaces of the inner and outer semiconductor structures. In the plan view, a first gap is between end portions of the first and fourth extending portions, and a second gap is between end portions of the second and third extending portions.

Disclosed is a superhydrophobic film. The superhydrophobic film includes: a base film; and a plurality of micro-pillars formed on the base film, wherein the base film and the micro-pillar include a biodegradable polymer and nanoparticles.

Disclosed is a superhydrophobic film. The superhydrophobic film includes: a base film; and a plurality of micro-pillars formed on the base film, wherein the base film and the micro-pillar include a biodegradable polymer and nanoparticles.

Provided are a display panel and a display device. The display panel includes a first substrate and a second substrate opposite to each other, where the first substrate includes a first elastic layer, a first buffer layer and a plurality of first encapsulation structures, the first encapsulation structures respectively include at least one first-type sub-pixel; and the second substrate includes a second elastic layer, a second buffer layer, and a plurality of second encapsulation structures, the second encapsulation structures respectively include at least one second-type sub-pixel. The display panel includes a first region and a second region, and the first region and the second region are arranged along a first direction; and in the first region and/or the second region, the first buffer layer and the second buffer layer have different stretching amounts in a same direction.