Bi-directional trench power switches. At least one example is a semiconductor device comprising: an upper base region associated with a first side of a substrate of semiconductor material; an upper-CE trench defined on the first side, the upper-CE trench defines a proximal opening at the first side and a distal end within the substrate; an upper collector-emitter region disposed at the distal end of the upper-CE trench; a lower base region associated with a second side of substrate; and a lower collector-emitter region associated with the second side.

A display device includes a substrate having a display area and a non-display area surrounding the display area, a driving element disposed on the substrate in the display area, a light emitting element disposed on the driving element, and a dam disposed on the substrate in the non-display area and surrounding the display area, and where the dam includes a first organic layer, a first reflow prevention patterns disposed on both edges of the first organic layer and including a material different from a material of the first organic layer, and a second organic layer disposed on the first organic layer and contacting the first organic layer exposed by the first reflow prevention patterns.

The present application provides a display panel, a manufacturing method for a display panel, and a display apparatus. The display panel includes an array substrate including a planarization layer, the planarization layer being provided with a groove; a pixel definition layer (PDL) arranged on the planarization layer and filling the groove, the PDL being provided with a pixel opening; and an anode arranged between the planarization layer and the PDL, an end of the anode being placed in the groove, and a middle portion of the anode being exposed in the pixel opening.

A display device includes a substrate including a display area and a pad area which is adjacent to the display area, a display part in the display area, on the substrate, a protective layer under the substrate and defining a first opening overlapping the pad area, a rigid support member filling the first opening of the protective layer and including glass, and a driving circuit chip in the pad area, on the substrate.

A semiconductor device comprises an active pattern on a substrate, a pair of first source/drain patterns on the active pattern, a pair of second source/drain patterns on top surfaces of the first source/drain patterns, a gate electrode extending across the active pattern and having sidewalls that face the first and second source/drain patterns, a first channel structure extending across the gate electrode and connecting the first source/drain patterns, and a second channel structure extending across the gate electrode and connecting the second source/drain patterns. The gate electrode includes a first lower part between a bottom surface of the first channel structure and a top surface of the active pattern, and a first upper part between a top surface of the first channel structure and a bottom surface of the second channel structure. The first lower part has a thickness greater than that of the first upper part.

A display apparatus includes a first substrate including a display area and a non-display area surrounding the display area, a second substrate on the first substrate, a bank in which a first opening in the display area and a first dummy opening in the non-display area are defined, a first quantum dot layer filling the first opening, and a first dummy quantum dot layer filling the first dummy opening, where each of the first quantum dot layer and the first dummy quantum dot layer includes first quantum dots and first scatterers.

A display device is provided. The display device comprises a substrate, at least one thin-film transistor disposed on the substrate, a planarization layer disposed on the thin-film transistor, a first metal layer disposed on the planarization layer and connected to the thin-film transistor, a first electrode disposed on the first metal layer, partitioning walls disposed on the planarization layer and spaced apart from the first electrode, wherein each of the partitioning walls includes a second metal layer and a first conductive layer, a pixel defining layer disposed on the first electrode and the partitioning walls, an organic layer disposed on the first electrode and the pixel defining layer, and a second electrode disposed on the organic layer, wherein the second metal layer is disposed under the first conductive layer and has an undercut beneath the first conductive layer, wherein at least portion of the organic layer is discontinuous between the partitioning walls.

Provided are a display panel and an electronic apparatus including the display panel. The display panel includes: a substrate having an opening; a plurality of light-emitting elements in a display area, the plurality of light-emitting elements including an intermediate layer; a plurality of partition walls in an intermediate area between the display area and the opening; at least one insulating layer positioned between the plurality of partition walls and the substrate; wherein the intermediate layer further includes an organic material layer extending toward the intermediate area from the display area, the organic material layer being separated by a plurality of first opening portions in the intermediate area, and the at least one insulating layer has a plurality of opening portions overlapping the plurality of first opening portions.

A quantum dot composition includes a scatterer containing an inorganic material, a quantum dot containing a core and a shell surrounding the core, a ligand binding to the quantum dot, a polymer resin in which the quantum dot and the scatterer are dispersed, and a dispersant containing at least one of an acidic substituent or a basic substituent. At least one of the polymer resin or the dispersant includes a same material as the shell and the ligand binds to the polymer resin or dispersant that includes the same material as a shell.

A display panel and a display device are provided. A first organic layer of the display panel forms a first barrier portion in a transition area. A first metal layer forms a second barrier portion in the transition area. The second barrier portion covers an upper surface and a first side surface of the first barrier portion, and extends away from the first side surface and beyond a boundary of the upper surface of the first barrier portion, so as to form an undercut structure. Therefore, the problem that in conventional OLED products, water and oxygen gas are easily transmitted from outside of the display panel to inside using the emission layer is alleviated.