A lightweight flexible light-emitting device which is able to possess a curved display portion and display a full color image with high resolution and the manufacturing process thereof are disclosed. The light-emitting device comprises: a plastic substrate; an insulating layer with an adhesive interposed therebetween; a thin film transistor over the insulating layer; a protective insulating film over the thin film transistor; a color filter over the protective insulating film; an interlayer insulating film over the color filter; and a white-emissive light-emitting element formed over the interlayer insulating film and being electrically connected to the thin film transistor.

Disclosed are organic electroluminescent material and device. The organic electroluminescent material is a metal complex with a structure of Formula 1. These novel metal complexes can be used in electroluminescent device, and show more excellent performance, for example, they can reduce the driving voltage and full width at half maximum, obtain more saturated light emission, improve the efficiency and the lifetime of the device, and finally, it can improve the comprehensive performance of the device significantly.

An electroluminescent display panel and a manufacturing method thereof, and a display device. Each of a plurality of pixel units included in the electroluminescent display panel includes a first sub-pixel, a second sub-pixel and a third sub-pixel, respectively, each of the sub-pixels includes a first electrode, and a light-emitting layer, respectively, taking a planar surface of the first electrode facing the light-emitting layer as a reference plane, the light-emitting layer of the first sub-pixel is on a first anti-node of a first standing wave, the light-emitting layer of the second sub-pixel is on a second anti-node of a second standing wave, and the light-emitting layer of the third sub-pixel is on a second anti-node of a third standing wave.

A display device includes a light-emitting element layer including light-emitting elements in a plurality of kinds each emitting a light in a different color. A first electrode of the light-emitting elements includes a plurality of reflective layers including one RM and one TE stacked on the RM. The plurality of the reflective layers are stacked so that the RM and the TE are alternatively arranged in the stated order.

A light-emitting device includes a first electrode, a second electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, a third layer between the emission layer and the second electrode, a first layer between the third layer and the second electrode, and a second layer between the first layer and the third layer. The first layer includes a first metal-free material and a first metal-containing material, the second layer includes a second metal-free material and a second metal-containing material, the first metal-free material and the second metal-free material are different from each other, the first metal-containing material and the second metal-containing material are different from each other, and the third layer consists of a third metal-free material. Embodiments include an electronic apparatus including the light-emitting device.

A light-emitting device includes a first electrode, a second electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, a third layer between the emission layer and the second electrode, a first layer between the third layer and the second electrode, and a second layer between the first layer and the third layer. The first layer includes a first metal-free material and a first metal-containing material, the second layer includes a second metal-free material and a second metal-containing material, the first metal-free material and the second metal-free material are different from each other, the first metal-containing material and the second metal-containing material are different from each other, and the third layer consists of a third metal-free material. Embodiments include an electronic apparatus including the light-emitting device.

A light-emitting device includes an electron transport layer, and the electron transport layer include a mixture of a first material, a second material, and a third material, wherein the first material includes an electron transport compound, the second material includes a metal-containing material, and the third material includes a low-refractive-index compound. An electronic apparatus including the light-emitting device is also provided.

A light-emitting device includes an electron transport layer, and the electron transport layer include a mixture of a first material, a second material, and a third material, wherein the first material includes an electron transport compound, the second material includes a metal-containing material, and the third material includes a low-refractive-index compound. An electronic apparatus including the light-emitting device is also provided.

A condensed cyclic compound is represented by Formula 1. A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode, wherein the interlayer includes an emission layer and at least one condensed cyclic compound represented by Formula 1. An electronic apparatus includes the light-emitting device.

##STR00001##

A condensed cyclic compound is represented by Formula 1. A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode, wherein the interlayer includes an emission layer and at least one condensed cyclic compound represented by Formula 1. An electronic apparatus includes the light-emitting device.

##STR00001##