An organic light emitting display device has a plurality of first electrodes, intermediate layers, and second electrodes that correspond to a plurality of pixel areas. The first electrodes are spaced from one another, the second electrodes are spaced from one another, and the intermediate layers are spaced from one another. A conductive protection layer is formed over the second electrodes, and a connection electrode layer is formed over the conductive protection layer and electrically connecting the second electrodes.

The present invention provides a double-sided OLED display device, in which two adjacent ones of displaying sections (A) are arranged such that OLEDs of all the pixels (P) located in one of the displaying sections (A) are top-emission OLEDs (D), while the OLEDs of all the pixels (P) located in another one of the displaying sections (A) are bottom-emission OLEDs (D). A user is allowed to observe normal displaying of images in two opposite directions associated with the front and rear sides of one OLED display device and there is no need to combine two display devices in a back-to-back manner to provide double-sided displaying so that the application range of the OLED display device can be widened, the amount of space occupied by the double-sided display device can be reduced, and aesthetics of the double-sided display devices can be greatly improved.

In an organic light emitting diode (OLED) display device and a method for fabricating the same, OLED pixels are patterned through a photolithography process, so a large area patterning can be performed and a fine pitch can be obtained, and an organic compound layer can be protected by forming a buffer layer of a metal oxide on an upper portion of the organic compound layer or patterning the organic compound layer by using a cathode as a mask, improving device efficiency. In addition, among red, green, and blue pixels, two pixels are patterned through a lift-off process and the other remaining one is deposited to be formed without patterning, to the process can be simplified and efficiency can be increased.

An organic light-emitting display device can include a low-level voltage line that receives a low-level voltage, a plurality of insulating layers that lie over the low-level voltage line, an auxiliary electrode that lies on the insulating film layer and is formed through the insulating film layer and electrically connected to the low-level voltage line, a bank layer that lies over the auxiliary electrode and defines a light-emitting area where the organic light-emitting diode is located, and a cathode of the organic light-emitting diode that lies on the bank layer and at least makes contact with the side of the auxiliary electrode.

An electroluminescent device, a method of manufacturing the same, and a display device including the same are disclosed. The electroluminescent device electroluminescent device includes a first electrode; a hole transport layer disposed on the first electrode; an emission layer disposed on the hole transport layer and including at least two light emitting particles; a first electron transport layer disposed on the emission layer and including at least two inorganic-organic composite particles; a second electron transport layer disposed on the first electron transport layer and including at least two inorganic oxide particles; and a second electrode disposed on the second electron transport layer, wherein the first electron transport layer has a lower work function than the second electron transport layer.

An organic light-emitting display apparatus includes a substrate; a common voltage line; a pixel including: a first area at which light is emitted and a contact area at which the common voltage line is electrically connected to the pixel; a via insulating layer including a contact via hole defined therein to expose a portion of the common voltage line; a pixel electrode in the first area of the pixel; a pixel-defining layer including a first opening defined therein to expose a portion of the pixel electrode; an intermediate layer on the exposed portion of the pixel electrode, the intermediate layer including an organic emission layer; and a counter electrode on the intermediate layer, the counter electrode in direct contact with the common voltage line at the contact via hole in the contact area.

An organic electroluminescence device and an amine compound for an organic electroluminescence device are provided. The amine compound according to an embodiment of the present disclosure is represented by Formula 1. In Formula 1, Ar is a substituted or unsubstituted aryl group having 10 to 60 carbon atoms for forming a ring:

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The present application discloses an organic light emitting diode assembly. The organic light emitting diode assembly includes a first base substrate; an organic light emitting diode on the first base substrate; and a second base substrate on a side of, the organic light emitting diode distal to the first base substrate. The organic light emitting diode and the second base substrate are spaced apart from each other by a tunable gap. A gap distance of the tunable gap is tunable such that a color of light emitted from the organic light emitting diode assembly is tunable in response to a change in the gap distance.

Embodiments of the present disclosure relate to a micro display device and a display integrated circuit and, more specifically, to a micro display device and a display integrated circuit, which include: a pixel array chip including a pixel array zone in which a plurality of subpixels defined by a plurality of gate lines and a plurality of data lines are arranged, and a through-zone in which a plurality of through-electrodes connected to the plurality of gate lines and the plurality of data lines in an outer area of the pixel array zone are arranged; and a driver chip including a circuit zone in which a driver circuit configured to drive the plurality of gate lines and the plurality of data lines through the plurality of through-electrodes is disposed, and thus have a high yield.

The present disclosure provides an OLED array substrate, a manufacturing method thereof, and an OLED display panel. The OLED array substrate comprises a first electrode layer, a pixel definition layer, an organic material functional layer, and a second electrode layer arranged successively in a light exit direction. The organic material functional layer comprises light-emitting regions that emit light of different colors. The pixel definition layer comprises pixel regions corresponding to the light-emitting regions, and spacing regions arranged between adjacent pixel regions. Each spacing region is configured to electrically isolate adjacent light-emitting regions.