An electroluminescent display panel, a method for manufacturing the same, and a mask are provided. The method for manufacturing an electroluminescent display panel includes: forming, on at least one side of a predetermined light-emitting layer of the electroluminescent display panel, an electrode layer having a pattern corresponding to patterns of masks under shielding of the masks through an evaporation process, wherein the predetermined light-emitting layer is a film layer for forming a light-emitting layer of the electroluminescent display panel.

According to one embodiment, a manufacturing method of a display device includes forming a first conductive oxide layer, forming a first metal layer at a first pressure, forming a second metal layer at a second pressure, forming a second conductive oxide layer, forming a resist having a predetermined shape, etching the second conductive oxide layer using the resist as a mask, retracting an end portion of the second metal layer relative to an end portion of the second conductive oxide layer and an edge of a lower surface of the first metal layer by etching the second metal layer and the first metal layer using the resist as a mask, etching the first conductive oxide layer using the resist as a mask, and removing the resist.

There is provided an active matrix EL display device that can display a clear multi gray-scale color display to reduce the shift in the potential caused by the potential drop due to the wiring resistance of a power source supply line, in order to decrease the unevenness in a display region. A plurality of drawing out ports of the power source supply line are arranged. Further, in the wiring resistance between the external input terminal and the pixel portion power source supply line, potential compensation is performed by supplying potential to the power source supply line by a feedback amplifier. Further, in addition to above structure, the power source supply line may be arranged in a matrix.

A display panel includes an active device disposed on a substrate, a first electrode electrically connected to the active device, a pixel definition layer, a light emitting layer, a second electrode, a shielding pattern layer, and first and second color filter pattern layers. The pixel definition layer has a first opening overlapped with the first electrode. At least a portion of the light emitting layer is disposed within the first opening and on the first electrode. The second electrode is disposed on the light emitting layer. The shielding pattern layer is disposed on the second electrode and has a second opening overlapped with the first opening. The first color filter pattern layer is disposed on the second electrode and overlapped with the first and second openings. The second color filter pattern layer is disposed on the second electrode. The first and second color filter pattern layers are stacked with each other right above the shielding pattern layer.

A light-emitting element includes a cathode, an anode, a light-emitting layer, a first layer, a second layer, and a third layer. The first layer is provided between the cathode and the light-emitting layer. The second layer is provided between the light-emitting layer and the third layer and includes a region in contact with the third layer. The third layer is provided between the second layer and the anode and includes a region in contact with the anode. The first layer and the third layer each include an alkali metal or an alkaline earth metal. The second layer includes a material that has a function of transporting an electron.

This application provides a display device and an OLED display panel. The display device comprises a storage capacitor. A part of a source and drain metal layer is a first electrode of a storage capacitor. A cathode layer is a second electrode of the storage capacitor. An electron transmitting functional layer, a passivation layer, and an inorganic pixel defining layer arranged between the first electrode and the second electrode are the dielectric materials of the storage capacitor.

Disclosed is an electroluminescence display apparatus. The electroluminescence display apparatus includes a substrate, a bank provided to define a plurality of emission areas on the substrate, and a first light emitting layer provided in a first emission area of the plurality of emission areas, and a second light emitting layer provided in a second emission area of the plurality of emission areas. An anti-spread part is provided on an upper surface of the bank disposed between the first light emitting layer and the second light emitting layer.

An electroluminescent display device is disclosed. The disclosed electroluminescent display device includes a substrate including a plurality of pixel regions; a plurality of light emitting diodes spaced apart from each other on the substrate and each corresponding to the plurality of pixel regions, respectively; a plurality of encapsulation films respectively covering each of the light emitting diodes of the plurality of light emitting diodes, wherein the plurality of encapsulation films has a first refractive index; a first partition wall disposed between each of the encapsulation films of the plurality of encapsulation films, wherein the first partition wall corresponds to a boundary between the plurality of pixel regions and has a second refractive index lower than the first refractive index; and a color filter layer disposed on the plurality of encapsulation films and the first partition wall.

Disclosed is an organic light-emitting element and organic light-emitting display device using the same, which has light transmission, is capable of reducing the resistance of the element, and is reliable regardless of variation in temperature or environment.

A display apparatus includes a display element; a substrate including: an opening area, a display area adjacent to the opening area, a non-display area between the opening area and the display area, and a boundary line separating the opening area from the non-display area; an encapsulation layer including: a first inorganic encapsulation layer, an organic encapsulation layer and a second inorganic encapsulation layer in the display area, and the first inorganic encapsulation layer and the second inorganic encapsulation layer extending from the display area to the non-display area; and a dam portion in the non-display area and corresponding to the boundary line. The dam portion which corresponds to the boundary line includes a plurality of grooves in which the first inorganic encapsulation layer and the second inorganic encapsulation layer which are in the non-display area, are in contact with each other.