Abstract:
A display device and a method for fabricating the same. The display device includes a substrate including a circuit layer and a first pad unit; an auxiliary substrate disposed below the substrate and comprising a driving circuit and a second pad unit; a light-emitting unit disposed on the circuit layer; and a connection electrode in contact with a side surface of the substrate and electrically connecting the first pad unit with the second pad unit. The method includes forming a circuit layer and a first pad unit on a first surface of a substrate; forming a driving circuit and a second pad unit on a fourth surface of an auxiliary substrate; and attaching a second surface of the substrate opposite the first surface to a third surface of the auxiliary substrate opposite the fourth surface.
Abstract:
A display device includes a semiconductor circuit substrate having a display area and a non-display area and having a plurality of pixel circuit units and a plurality of light emitting element layers including two or more layers stacked on the display area of the semiconductor circuit substrate, each of the two or more layers including a plurality of light emitting elements, wherein the plurality of light emitting elements at a same layer of the plurality of light emitting element layers is configured to emit a same color light and the light emitting elements at different layers of the plurality of light emitting element layers are configured to emit different color lights, and the plurality of light emitting elements at the same layer is connected to a same common electrode and the light emitting elements at the different layers are connected to different common electrodes.
Abstract:
Provided are organic luminescence display and method for manufacturing the same. According to an aspect of the present invention, there is provided an organic luminescence display comprising a substrate and a plurality of pixels disposed on the substrate. The pixels comprise a plurality of first pixels, each comprising a first organic light-emitting layer, and a plurality of second pixels which are smaller than the first pixels and each of which comprises a second organic light-emitting layer. The surface roughness of the second organic light-emitting layer is greater than the surface roughness of the first organic light-emitting layer.
Abstract:
A display device includes a plurality of first pixels, a substrate, a first semiconductor layer which is disposed on the substrate and includes an active layer of a first transistor, a first insulating layer which is disposed on the first semiconductor layer, a first conductive layer which is disposed on the first insulating layer and includes a gate electrode of the first transistor, a second insulating layer which is disposed on the first conductive layer, and a second conductive layer which is disposed on the second insulating layer and includes a first electrode and a second electrode of the first transistor, where a first opening exposing the first conductive layer in an area in which the first conductive layer and the second conductive layer of each of the plurality of first pixels do not overlap is defined in the second insulating layer.
Abstract:
A display device comprises a pixel electrode disposed on a substrate, light emitting elements disposed on the pixel electrode, a first via layer disposed on the pixel electrode and filled between the light emitting elements, and a common electrode disposed on the first via layer and the light emitting elements, wherein each of the light emitting elements includes a first semiconductor layer including a p-type dopant, an active layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the active layer and including an n-type dopant, and a third semiconductor layer disposed on the second semiconductor layer, and the common electrode is in contact with a side surface of the second semiconductor layer.
Abstract:
A display device includes a plurality of first pixels, a substrate, a first semiconductor layer which is disposed on the substrate and includes an active layer of a first transistor, a first insulating layer which is disposed on the first semiconductor layer, a first conductive layer which is disposed on the first insulating layer and includes a gate electrode of the first transistor, a second insulating layer which is disposed on the first conductive layer, and a second conductive layer which is disposed on the second insulating layer and includes a first electrode and a second electrode of the first transistor, where a first opening exposing the first conductive layer in an area in which the first conductive layer and the second conductive layer of each of the plurality of first pixels do not overlap is defined in the second insulating layer.
Abstract:
A method of fabricating a deposition mask includes: preparing a silicon on insulator (SOI) substrate including an upper silicon substrate, a lower silicon substrate, and an insulating layer between the upper silicon substrate and the lower silicon substrate; forming a mask membrane having a plurality of openings by patterning the upper silicon substrate; forming a first protective layer on the upper silicon substrate and a second protective layer on the lower silicon substrate; forming a cell opening by patterning the lower silicon substrate; and removing the first protective layer and the second protective layer.
Abstract:
According to an embodiment, a display device may include a semiconductor wafer substrate, a complementary metal oxide semiconductor (CMOS) circuit layer disposed on the semiconductor wafer substrate, and a light emitting element layer disposed on the CMOS circuit layer. The light emitting element layer may include a pixel defining film partitioning a plurality of pixels, a pixel electrode disposed independently in each of the plurality of pixels, an aging wiring disposed between the plurality of pixels, a light emitting layer commonly covering the pixel electrodes of each of the plurality of pixels and the aging wiring, and a common electrode covering the light emitting layer. A portion positioned between the aging wiring and the common electrode of the light emitting layer may include an aged portion in which at least a portion of a conductive layer included in the light emitting layer is aged.
Abstract:
Provided is a display device. A display device includes a display area and a buffer area disposed around the display area, a pixel electrode disposed on a substrate and in the display area, a bank covering an edge of the pixel electrode, light emitting elements disposed on the pixel electrode and extending in a thickness direction of the substrate, and a buffer disposed on the substrate and in the buffer area. The bank and the buffer are disposed on a same layer.
Abstract:
The display device includes a substrate, a thin-film transistor on the substrate and including a first electrode, a second electrode and a semiconductor layer, a first insulating layer on the thin-film transistor, an organic layer on the first insulating layer, at least one light-emitting element on the organic layer, a pixel electrode on the organic layer and in contact with a side surface of the at least one light-emitting element, a planarization layer on the side surface of the at least one light-emitting element and a common electrode on the at least one light-emitting element and the planarization layer.