An organic light emitting display device, and a method for manufacturing the organic light emitting display device are discussed. The organic light emitting display device according to one embodiment includes a substrate; a first auxiliary electrode formed on the substrate and in a non-light emitting region; a bank layer formed on the substrate and having an opening exposing the first auxiliary electrode; an organic light emitting layer formed on the bank layer; an upper electrode formed on the organic light emitting layer and the first auxiliary electrode; and a second auxiliary electrode formed on the upper electrode. The first auxiliary electrode and the second auxiliary electrode come into contact with the upper electrode in the opening exposing the first auxiliary electrode.

Provided is a display apparatus and a method of manufacture. The display apparatus includes a first substrate with a plurality of organic electroluminescence devices, a second substrate with a color filter, the second substrate facing the first substrate, and an adhesive layer disposed between the first substrate and the second substrate so as to cover the plurality of organic electroluminescence devices, the adhesive layer being made of a material selected from the group consisting of a phenol resin, a melanin resin, an unsaturated polyester resin, an epoxy resin, a silicon resin and a polyurethane resin.

An organic light-emitting device (100) comprising an anode (103); a cathode (109); a light-emitting layer (107) between the anode and the cathode; a first hole-transporting layer (105A) comprising a first conjugated hole-transporting polymer between the anode and the light-emitting layer; and a second hole-transporting layer (105B) comprising a second conjugated hole-transporting polymer between the first hole-transporting layer and the light-emitting layer, wherein a lowest excited state energy level of the first hole-transporting polymer is lower than the lowest excited state energy of the second hole-transporting polymer.

An organic light-emitting device (100) comprising an anode (103); a cathode (109); a first light-emitting layer (107) comprising a first light-emitting material between the anode and the cathode; and a hole-transporting layer (105) comprising a hole-transporting polymer between the anode and the first light-emitting layer and adjacent to the first light-emitting layer, wherein a HOMO level of the first light-emitting material is closer to vacuum than a HOMO level of the hole-transporting polymer and wherein more than 50 mol % of the repeat units of the hole-transporting polymer are hole-transporting repeat units.

An OLED device and a manufacturing method thereof and a display apparatus are provided. The OLED device includes an anode, a cathode, and a functional layer disposed between the anode and the cathode, the cathode includes an organometallic layer, and the organometallic layer includes an organic metal. The OLED device is capable of increasing the stability of the cathode in the OLED device and reducing the cost of the OLED device.

A light-emitting element is provided. The light-emitting element includes first and second electrodes and an EL layer therebetween. The EL layer includes a light-emitting layer containing first and second substances. The amount of the first substance is larger than that of the second substance. The second substance emits light. Average transition dipole moments of the second substance are divided into three components in x-, y-, and z-directions which are orthogonal to each other. Components parallel to the first or second electrode are assumed to be the components in the x- and y-directions, and a component perpendicular to the first or second electrode is assumed to be the component in the z-direction. The proportion of the component in the z-direction is represented by a, which is less than or equal to 0.2.

It is an object to provide a flexible light-emitting device with long lifetime in a simple way and to provide an inexpensive electronic device with long lifetime using the flexible light-emitting device. A flexible light-emitting device is provided, which includes a substrate having flexibility and a light-transmitting property with respect to visible light; a first adhesive layer over the substrate; an insulating film containing nitrogen and silicon over the first adhesive layer; a light-emitting element including a first electrode, a second electrode facing the first electrode, and an EL layer between the first electrode and the second electrode; a second adhesive layer over the second electrode; and a metal substrate over the second adhesive layer, wherein the thickness of the metal substrate is 10 μm to 200 μm inclusive. Further, an electronic device using the flexible light-emitting device is provided.

The present invention relates to an organic light emitting diode and a manufacturing method therefor, and the organic light emitting diode comprises: a lower electrode formed on a light-transmitting substrate; an organic thin film layer which is formed on the lower electrode and includes a light-emitting layer; a light-transmitting upper electrode formed on the organic thin film layer; a functional layer which is formed on the upper electrode and enables mutual reinforcement and interference for the transmitted lights; and a reflective layer formed on the functional layer.

An organic light emitting diode and an organic light emitting display apparatus using the organic light emitting diode are provided. The organic light emitting diode includes a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode to emit white light, and the organic layer is configured to emit white light in which an X-axis coordinate value in a color coordinate system is equal to or greater than 0.29, a Y-axis coordinate value in the color coordinate system is in a range of 0.32 to 0.45, and the Y-axis coordinate value in the color coordinate system is equal to or greater than the X-axis coordinate value in the color coordinate system.

A display device is disclosed. The display device comprises an array structure comprising a plurality of primary pixel element structures arranged in a matrix. A primary pixel element structure comprises a plurality of pixel element structures arranged in a second direction. A pixel element structure comprises first, second, and third sub-pixel elements, each comprising a light-emitting region and a light-transmitting region disposed at one side of the light-emitting region and adjacent to the light-emitting region in a first direction, and the first direction being perpendicular to the second direction. When the display device is turned off, a scene on an opposite side of the display device is observed by an observer on either side of the display device, and when the display device is turned on, a scene on the opposite side of the display device is observed by the observer on a side where no light is emitted.