A display device may include: a display area where a plurality of pixels are disposed to display an image; a non-display area disposed outside the display area, the non-display area including a pad area; a power shorting bar disposed at one side of the display area, in the non-display area; a power pad disposed in the pad area; and a bottleneck portion connecting the power shorting bar to a power pad. The power shorting bar has a mesh structure where a plurality of first power lines extending in a first direction and a plurality of second power lines extending in a second direction are connected to each other.

A display device may include: a display area where a plurality of pixels are disposed to display an image; a non-display area disposed outside the display area, the non-display area including a pad area; a power shorting bar disposed at one side of the display area, in the non-display area; a power pad disposed in the pad area; and a bottleneck portion connecting the power shorting bar to a power pad. The power shorting bar has a mesh structure where a plurality of first power lines extending in a first direction and a plurality of second power lines extending in a second direction are connected to each other.

A display device may include a substrate; transmissive areas spaced apart from each other; an area which includes sub-pixels; an over-coating layer which is disposed on the substrate and includes a base portion and a protrusion on the base portion; and an anode which is disposed in each sub-pixel and covers the base portion and a part of the protrusion. Each sub-pixel may include an emission area and an outer peripheral area which encloses the emission area. The outer peripheral area may include first outer peripheral areas opposite to adjacent other sub-pixels and second outer peripheral areas opposite to adjacent transmissive areas. Trenches may be disposed in the protrusion in the first outer peripheral areas. The anode may be disposed in the trenches in the first outer peripheral areas.

A display device may include a substrate; transmissive areas spaced apart from each other; an area which includes sub-pixels; an over-coating layer which is disposed on the substrate and includes a base portion and a protrusion on the base portion; and an anode which is disposed in each sub-pixel and covers the base portion and a part of the protrusion. Each sub-pixel may include an emission area and an outer peripheral area which encloses the emission area. The outer peripheral area may include first outer peripheral areas opposite to adjacent other sub-pixels and second outer peripheral areas opposite to adjacent transmissive areas. Trenches may be disposed in the protrusion in the first outer peripheral areas. The anode may be disposed in the trenches in the first outer peripheral areas.

A transparent display device includes a first substrate including a transmissive area for transmitting external light and a non-transmissive area for not transmitting external light; a driving transistor in the non-transmissive area on the first substrate; an anode connection electrode on the driving transistor; and a light emitting element on the anode connection electrode, and including an anode electrode, a light emitting layer, and a cathode electrode. The anode electrode includes a first anode electrode and a second anode electrode. The anode connection electrode is electrically connected to the driving transistor at one side, and is extended toward the transmissive area from the non-transmissive area and electrically connected to each of the first anode electrode and the second anode electrode at the other side.

A transparent display device includes a first substrate including a transmissive area for transmitting external light and a non-transmissive area for not transmitting external light; a driving transistor in the non-transmissive area on the first substrate; an anode connection electrode on the driving transistor; and a light emitting element on the anode connection electrode, and including an anode electrode, a light emitting layer, and a cathode electrode. The anode electrode includes a first anode electrode and a second anode electrode. The anode connection electrode is electrically connected to the driving transistor at one side, and is extended toward the transmissive area from the non-transmissive area and electrically connected to each of the first anode electrode and the second anode electrode at the other side.

A display backplane and a display device are provided in the application. The display backplane includes light-emitting unit groups arranged in a first direction. Each light-emitting unit group includes first light-emitting units and second light-emitting units arranged alternately in a second direction. Sizes of the first light-emitting units in the first direction are greater than sizes of the second light-emitting units in the first direction, and sizes of the first light-emitting unit in the second direction are less than sizes of the second light-emitting units in the second direction.

A display backplane and a display device are provided in the application. The display backplane includes light-emitting unit groups arranged in a first direction. Each light-emitting unit group includes first light-emitting units and second light-emitting units arranged alternately in a second direction. Sizes of the first light-emitting units in the first direction are greater than sizes of the second light-emitting units in the first direction, and sizes of the first light-emitting unit in the second direction are less than sizes of the second light-emitting units in the second direction.

A semiconductor light-emitting element includes a light-emitting portion comprising a first region and a second region on the first region, a first electrode, a second electrode on the second region, and a passivation layer surrounding the second region. The first electrode includes a first conductive layer surrounding the first region, and a second conductive layer surrounding the first region on the first conductive layer.

A semiconductor light-emitting element includes a light-emitting portion comprising a first region and a second region on the first region, a first electrode, a second electrode on the second region, and a passivation layer surrounding the second region. The first electrode includes a first conductive layer surrounding the first region, and a second conductive layer surrounding the first region on the first conductive layer.