A display device includes a substrate divided into an encapsulation area and a non-encapsulation area. The display device includes an interlayer insulating layer disposed over the substrate. The display device includes a first inner contact hole passing through the interlayer insulating layer in the encapsulation area, and connecting an inner conductive layer to an inner lower conductive layer. The display device includes an outer contact hole passing through the interlayer insulating layer in the non-encapsulation area, and connecting an outer conductive layer to an outer lower conductive layer. A slope angle formed by a lateral wall of the outer contact hole with respect to an upper surface of the substrate is less than a slope angle formed by a lateral wall of the first inner contact hole with respect to the upper surface of the substrate.

A thin film transistor array panel includes a substrate, a data line and a light blocking layer disposed on the substrate, a thin film transistor disposed on the light blocking layer and including a source electrode, a drain electrode, and an oxide semiconductor layer, and an insulating layer disposed on the substrate and including a first contact hole overlapping a portion of the data line, a second contact hole overlapping a portion of the source electrode, and a third contact hole overlapping a portion of the drain electrode, wherein the first contact hole, the second contact hole, and the third contact hole are arranged in a row in a first direction perpendicular to a direction in which the data line is extended.

Provided is a display device including: a capacitor having a first electrode, a first insulating film over the first electrode, and a second electrode over the first insulating film; and a first transistor over the capacitor. The first transistor includes the second electrode, a second insulating film over the second electrode, an oxide semiconductor film over the second insulating film, and a first source electrode and a first drain electrode over the oxide semiconductor film. The first source electrode and the first drain electrode are electrically connected to the oxide semiconductor film.

A display device according to one aspect of the disclosure includes an electroluminescence element including a light-emitting layer including quantum dots between a cathode and an anode which are paired, and further includes a platelet layer adjacent to the light-emitting layer and including plate-shaped nanoplatelets.

A method of manufacturing an organic light-emitting display apparatus includes forming a pixel electrode and a pixel-defining layer on a substrate, the pixel-defining layer covering edges of the pixel electrode sequentially forming a lift-off layer and a photoresist on the pixel electrode and the pixel-defining layer patterning the lift-off layer and the photoresist to define an opening that exposes a top surface of the pixel electrode and a portion of the pixel-defining layer sequentially forming an intermediate layer and an opposite electrode in the opening and on the photoresist, the intermediate layer including an emission layer forming a passivation layer to cover an entirety of a top surface and end portions of the opposite electrode and removing the lift-off layer and the photoresist that remain outside the opening.

The present disclosure is related to display panels, especially to flexible electronic devices. By means of adding an inorganic membrane with surface roughness between a bonding layer and a PI film, in order to effectively improve the dimensional stability of plastic substrate and the water/oxygen barrier property of flexible substrate during the PI film fabrication and the follow-up process, improving the yield of good products and prolonging the working life thereof.

A display device of the present disclosure includes a plurality of pixels, in which a pixel includes a light-emitting element, a drive circuit which has a thin film transistor driving the light-emitting element, and a coupling unit which connects the light-emitting element and the drive circuit to each other, the light-emitting element has a configuration in which an organic layer including a light-emitting layer is interposed between a transparent electrode and a reflective electrode, the thin film transistor has a configuration which includes a semiconductor layer, an insulation layer, a first electrode layer, and a second electrode layer, and the coupling unit includes a metal layer which is thinner than the first electrode and the second electrode of the thin film transistor the metal layer being disposed in one portion of the coupling unit.

An organic light-emitting display apparatus includes: an auxiliary electrode including: a first conductive layer; and a second conductive layer disposed on the first conductive layer, the second conductive layer having a resistance higher than a resistance of the first conductive layer, wherein the second conductive layer includes an opening portion exposing the first conductive layer; a pixel electrode; a pixel definition layer disposed on the pixel electrode and the auxiliary electrode, the pixel definition layer exposing the pixel electrode and the auxiliary electrode; a first intermediate layer disposed on the pixel electrode and the auxiliary electrode, the first intermediate layer including a first opening corresponding to the opening portion; an emission layer disposed on the first intermediate layer overlapping the exposed pixel electrode.

A display device includes a substrate including a display area and a non-display area, a first power supply line in the non-display area and applying a first supply voltage to the display area, and a driving voltage line which is in the display area and connects the display area to the first power supply line. The first power supply line includes a first sub-power supply line, and a second sub-power supply line which is on the first sub-power supply line. The second sub-power supply line includes a same material as the driving voltage line.

An organic light-emitting display apparatus includes a substrate, an active layer of a thin film transistor formed over the substrate, a gate insulating layer formed over the active layer, a gate electrode of the thin film transistor formed over the gate insulating layer, an interlayer insulating layer formed over the gate electrode and the first electrode, a source electrode and a drain electrode formed over the interlayer insulating layer, a pixel electrode including a first region in direct contact with an upper surface of the interlayer insulating layer and a second region in direct contact with an upper surface of one of the source electrode and the drain electrode, a pixel defining layer covering the source and drain electrodes and including an opening which exposes the first region of the pixel electrode in an area that does not overlap the thin film transistor.