Provided is a display device. The display device includes: one or more pixels placed in an active area and a pixel circuit associated with the pixels; and a power supply line placed in an inactive area outside the active area and connected to the pixel circuit. At least one side of the power supply line may be covered with an overcoating layer. The overcoating layer includes a first portion adjacent to the side of the power supply line and a second portion which is farther from the power supply line than the first portion. The first portion has a smaller thickness than the second portion. The first portion may be about half the thickness of the second portion.

A method of manufacturing a display device may include sequentially forming a first conductive layer, a second conductive layer including copper (Cu), a third conductive layer, and a fourth conductive layer on a substrate, patterning the first conductive layer, the second conductive layer, the third conductive layer, and the fourth conductive layer together to form a conductive pattern including a first layer, a second layer, a third layer, and a fourth layer sequentially on the substrate, removing the fourth layer of the conductive pattern, forming a protective layer covering at least a sidewall of the conductive layer on the substrate, and forming a display element on the protective layer.

A light shielding layer overlapping with a peripheral region of a display device includes extension portions each extending along a Y direction, bent portions located between the extension portions, and another extension portion located between the bent portions. In a region overlapping with the another extension portion, an enable line (first potential supply line), which supplies a potential to a plurality of scanning signal lines via a driving circuit (first driving circuit), goes through a wiring layer (first wiring layer) and another wiring layer (second wiring layer) made of a material having resistivity lower than that of the wiring layer.

Provided are a display panel and a display device. The display panel includes a display region, a non-display region at least partially surrounding the display region, and a fan-out region. The display region includes a plurality of scanning lines extending along a first direction and a plurality of data lines extending along a second direction, where the first direction intersects with the second direction. The non-display region includes a plurality of pads. The fan-out region is configured on one side of the display region closer to the plurality of pads, where at least part of the fan-out region is disposed in the display region. The fan-out region is provided with a plurality of fan-out wires for connecting the plurality of data lines to the corresponding pads.

A display apparatus includes a light-emitting device and a driving circuit disposed in each pixel area. The driving circuit electrically connected to the light-emitting device may include a first thin film transistor, a second thin film transistor and a storage capacitor. A second semiconductor pattern of the second thin film transistor may be made of a material different from a first semiconductor pattern of the first thin film transistor. A separation insulating layer may be disposed between the first semiconductor pattern and the second semiconductor pattern. The storage capacitor may include a first capacitor electrode and a second capacitor electrode, which are sequentially stacked on the separation insulating layer. The first capacitor electrode may have a stacked structure of a first electrode layer including the same material as the second semiconductor pattern and a second electrode layer including a material having lower resistance than the first electrode layer.

A display device and a method of manufacturing the display device. An auxiliary electrode may be connected to a counter electrode without damaging a light-emitting element because a laser is not used.

A display apparatus includes: a substrate including a display area, and a peripheral area outside the display area; a common voltage supply line including a first common voltage input unit, a second common voltage input unit, and a body portion; a common voltage division line including a first division line branching from the first common voltage input unit, a second division line branching from the second common voltage input unit, and a third division line connecting the first division line and the second division line to each other; a first common voltage line connected to the third division line, and extending in a first direction to cross the display area; and a second common voltage line connected to the first division line or the second division line, and extending in a second direction crossing the first direction to cross the display area.

A display device according to an embodiment includes: a substrate including a signal wire area and a transistor area; a first layer disposed in the transistor area; a signal wire disposed in the signal wire area; a transistor disposed on the first layer; a first electrode electrically connected to the transistor; and an emission layer and a second electrode disposed on the first electrode, wherein the first layer and the signal wire are disposed on a same layer on the substrate, and the first layer and the signal wire have different thicknesses.

The present disclosure provides a display panel including: a panel main body including a display region, a bendable region and a binding region, wherein a plurality of signal transmission lines extending from the display region to the binding region are arranged in the bendable region; and an enhancement layer in the bendable region of the panel main body and including an electrode layer, wherein the electrode layer includes at least one auxiliary electrode, each auxiliary electrode corresponds to one of the plurality of signal transmission lines, different auxiliary electrodes correspond to different ones of the plurality of signal transmission lines, respectively, and each auxiliary electrode is electrically connected to a corresponding signal transmission line. The present disclosure further provides a flexible display device.

An OLED panel includes a light emitting substrate and a color filter substrate. The light-emitting substrate includes a multi-layer OLED film emitting white light. The color filter substrate includes a color filter array, a conductive layer that is electrically connected to a wall-shaped elastic conductor that is wearing a metal cap. The two substrates are laminated together in a manner that the metal cap is in direct contact with cathode electrode of the OLED at the site of pixel definition layer. The total resistance of the cathode layer of the OLED is therefore reduced significantly, and voltage-drop on cathode and associated image artifacts are minimized.