A display substrate includes a display region and a peripheral region on a periphery of the display region. At least multiple sub-pixels are arranged in the display region. At least one sub-pixel includes a pixel driving circuit arranged on an underlay substrate and a light emitting element connected with the pixel driving circuit. The pixel driving circuit is connected with a first initial signal line. The first initial signal line is arranged to provide a first initial voltage to the light emitting element under the control of the pixel driving circuit. A first power line and a signal connection line are arranged in the peripheral region. The first initial signal line is connected with the first power line through the signal connection line in the peripheral region.

There are provided wires in a frame area. The wires run parallel to each other in a direction crossing a direction in which a bending portion is extended. An inorganic insulating film has an opening therethrough in the bending portion. A top face of a resin substrate is exposed in the opening. The wires are provided on the inorganic insulating film and on the top face of the resin substrate exposed in the opening. In the opening, the top face of the resin substrate and an end face of the inorganic insulating film make a smaller angle below between the wires than below the wires.

A display device includes a substrate, a first electrode on the substrate, a bank layer including a pixel defining layer with an opening exposing the first electrode, and a spacer group including spacers on the pixel defining layer, a light emitting layer in the opening, and a first encapsulation layer covering the light emitting layer and the bank layer. The bank layer includes a raised portion between the spacers, and a depression portion in a lower region of opposite side surfaces of the spacers, the first encapsulation layer on the raised portion includes a top surface and a bottom surface having a less curvature than the top surface, and the first encapsulation layer includes a first portion on the depression portion and a second portion on the side surface of the spacer, a portion of the second portion is positioned outward from the first portion.

According to one embodiment, a display device includes a lower electrode, a rib including an aperture, a partition on the rib, an upper electrode in contact with the partition, an organic layer between the lower electrode and the upper electrode, and a sealing layer on the upper electrode. The partition includes a lower portion provided on the rib, and an upper portion provided on the lower portion and including an end portion protruding from a side surface of the lower portion. The upper portion is formed of a material which has translucency and which is different from a material of the sealing layer.

A display device that can switch between normal display and see-through display is provided. Visibility in see-through display is improved. A liquid crystal element overlaps with a light-emitting element. The light-emitting element, a transistor, and the like overlapping with the liquid crystal element transmit visible light. When the liquid crystal element blocks external light, an image is displayed with the light-emitting element. When the liquid crystal element transmits external light, an image displayed with the light-emitting element is superimposed on a transmission image through the liquid crystal element.

A display apparatus includes a substrate including a data line extending in a first direction, a voltage line extending in the first direction, and a first circuit disposed in a non-display area and electrically connected to the data line and the voltage line, wherein the first circuit includes a thin-film transistor including a semiconductor layer and a gate electrode overlapping a semiconductor layer, where one side of the semiconductor layer is electrically connected to the data line and another side is electrically connected to the voltage line, a first capacitor including a first lower electrode not overlapping the semiconductor layer and a first upper electrode on the first lower electrode, and a second capacitor including a second lower electrode not overlapping the semiconductor layer and a second upper electrode on the second lower electrode, and the gate electrode is at a same layer as the data line and the voltage line.

A transistor in an embodiment includes an oxide semiconductor layer on a substrate, the oxide semiconductor layer including a first region and a second region, a first gate electrode including a region overlapping the oxide semiconductor layer, the first gate electrode being arranged on a surface of the oxide semiconductor layer opposite to the substrate, a first insulating layer between the first gate electrode and the oxide semiconductor layer, and a first oxide conductive layer and a second oxide conductive layer between the oxide semiconductor layer and the substrate, the first oxide conductive layer and the second oxide conductive layer each including a region in contact with the oxide semiconductor layer.

A bendable display device includes a display panel, a display circuit board having a first end thereof electrically connected to the display panel, a touch circuit board having a first end thereof electrically connected to the display panel, a support layer disposed on a surface of the display panel, and first and second heat dissipation layers. Each of the first heat dissipation layer and the second heat dissipation layer is disposed on a side of the support layer away from the display panel, and the first dissipation layer and the second dissipation layer are disposed on two sides of a bending area of the bendable display device. A second end of the display circuit board and a second end of the touch circuit board are respectively disposed on the first heat dissipation layer and the second heat dissipation layer. A connecting member for electrically connecting the first heat dissipation layer and the second heat dissipation layer is provided between the first heat dissipation layer and the second heat dissipation layer.

An apparatus for manufacturing a display device include: a tray on which a window is seated, a belt on which the tray is seated, where the tray is moved by the belt, a first pulley which rotatably supports the belt, a second pulley arranged to be spaced apart from the first pulley, where the second pulley rotatably supports the belt, and a driving portion connected to the second pulley, where the driving portion rotates the second pulley.

An organic light-emitting diode display panel, a method of manufacturing the same, and a display device are provided. The organic light-emitting diode display panel includes a flexible substrate defined with a test circuit region thereon. The test circuit region is provided with a test circuit and defined with a circuit trace region. The circuit trace region includes a plurality of traces, a plurality of transistors, a control line, and at least one pin. Each one of the traces is connected to one of the transistors. The control line is electrically connected to a control end of each of the transistors to turn on or turn off the transistors to avoid the circuit from short-circuiting.