Abstract: A light emitting device and a light emitting display including the same. The light emitting device includes an anode and a cathode facing each other, a first stack and a second stack disposed between the anode and the cathode, the first stack including a first electron transport layer comprising a first material represented by Formula 1, a first blue light emitting layer containing a boron-based compound emitting light having a wavelength of 430 nm to 480 nm, and a first electron-blocking layer including a second material including a spirofluorene group, and at least one hydrogen atom on at least one side of the spirofluorene group is substituted by deuterium, and the second stack including at least two phosphorescent light emitting layers emitting light having a longer wavelength than that of the light emitted by the first blue light emitting layer, and a charge generation layer.

Abstract: Discussed is a light-emitting device that can include a first electrode and a second electrode facing each other, and disposed on a substrate; a first light emitting stack and a second light emitting stack between the first electrode and the second electrode; and a charge generation stack between the first light emitting stack and the second light emitting stack. The charge generation stack can include a first layer including a first host, a second host, and a metal dopant, and a second layer including the first host, the metal dopant, a third host, and a p-type organic dopant. Amounts of the metal dopant in the first layer and the second layer respectively can increase in going towards an interface between the first layer and the second layer.

Abstract: Disclosed is a light emitting device that is capable of reducing lateral leakage current and a driving voltage by improving a structure for connecting a plurality of stacks to one another in a structure using the plurality of stacks, and a light emitting display device including the same. The light emitting device includes a first electrode and a second electrode facing each other, a plurality of stacks provided between the first electrode and the second electrode, and a charge generation layer including an electron generation layer and a hole generation layer stacked between the stacks, wherein the electron generation layer contains a first host of Formula 1 and a metal dopant, and the hole generation layer contains a second host and an organic dopant.

Abstract: A light emitting device and a light emitting display device that are capable of improving efficiency, driving voltage, and lifespan by varying the configuration of a layer adjacent to a blue light emitting layer in a blue fluorescent stack contacting a cathode are disclosed. The light emitting device includes stacks between an anode and a cathode, wherein an nth stack contacting the cathode is a first blue stack that includes a first hole transport layer, a first electron-blocking layer, a first blue light emitting layer containing a boron-based dopant having an emission peak of 430 nm to 480 nm, a first electron transport layer contacting the first blue light emitting layer, and an electron injection layer having two sides contacting the first electron transport layer and the cathode, respectively, wherein the first electron transport layer contains a mixture of a first material and a second material.

Abstract: Disclosed is a light emitting display device configured to have a structure in which an auxiliary conversion portion including color conversion layers having different transmission characteristics and overlapping each other is applied to a non-emission portion of a subpixel, whereby luminous efficacy is improved and current-density-specific color purity is equalized, and therefore image quality is improved.

Abstract: A light emitting device including a first electrode and a second electrode facing each other, and a first blue stack, a first charge generation layer, and a phosphorescent stack disposed between the first electrode and the second electrode. The phosphorescent stack includes a hole transport layer, a red light emitting layer, a green light emitting layer, and an electron transport layer. The red light emitting layer includes an electron transport host represented by Formula 1, a hole transport host different from the hole transport layer, and a red dopant.

Abstract: Disclosed is a light emitting device capable of improving color purity and luminance, reducing a material driving voltage, and exhibiting a longer lifespan by changing the configuration of a green stack. The light emitting device includes a first electrode and a second electrode facing each other, and a light emitting unit including a p-type charge generation layer, a hole transport layer, and a green light emitting layer, which are sequentially stacked, wherein the green light emitting layer includes a triazine-based compound as a host and a phosphorescent dopant.