Provided is a novel compound capable of improving the luminous efficiency, stability and lifespan of a device, an organic electronic device using the same, and an electronic device.

The present application relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.

An organic light emitting display device is disclosed that includes a substrate on which a first sub pixel configured to emit a first color, a second sub pixel configured to emit a second color, and a third sub pixel configured to emit a third color are disposed, a first electrode that defines emitting areas of the first sub pixel, the second sub pixel, and the third sub pixel and is disposed on the substrate, an organic light emitting diode on the first electrode, a bank that defines the emitting areas of the first sub pixel, the second sub pixel, and the third sub pixel and is disposed in a non-emitting area and exposes an upper portion of the first electrode and a second electrode on the organic light emitting diode. The organic light emitting diode includes a path blocking layer in the non-emitting area.

An organic light emitting display device is disclosed that includes a substrate on which a first sub pixel configured to emit a first color, a second sub pixel configured to emit a second color, and a third sub pixel configured to emit a third color are disposed, a first electrode that defines emitting areas of the first sub pixel, the second sub pixel, and the third sub pixel and is disposed on the substrate, an organic light emitting diode on the first electrode, a bank that defines the emitting areas of the first sub pixel, the second sub pixel, and the third sub pixel and is disposed in a non-emitting area and exposes an upper portion of the first electrode and a second electrode on the organic light emitting diode. The organic light emitting diode includes a path blocking layer in the non-emitting area.

Discussed is a light-emitting device including a first light-emitting layer so that a dopant having a hole trapping property is adjacent to a hole transport layer, and a second light-emitting layer that comes into contact with the first light-emitting layer to induce main light emission, thereby widening an emission zone and improving the efficiency and lifespan of the light-emitting layer. Also discussed is a light-emitting display including the light-emitting device. The first and second blue light-emitting layers can include a same host BH and different first and second blue dopants, respectively, and the first blue dopant can have a higher highest occupied molecular orbital (HOMO) energy level than a HOMO energy level of the hole transport layer.

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.

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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 n.sup.th 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.

A light emitting device including a first electrode and a second electrode facing each other, a blue fluorescent light emitting layer and a non-blue phosphorescent light emitting layer in contact with each other between the first electrode and the second electrode, a first common layer between the first electrode and the non-blue phosphorescent light emitting layer, and a second common layer between the blue fluorescent light emitting layer and the second electrode. The non-blue phosphorescent light emitting layer includes a first host, and a first dopant having a first triplet excitation level and a first singlet-triplet excitation level difference. The blue fluorescent light emitting layer includes a second dopant having: a second singlet-triplet excitation level difference that is smaller than the first singlet-triplet excitation level difference, and a second triplet excitation level that is higher than the first triplet excitation level, and a second host.

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.

Embodiments of the disclosed subject matter may provide a display device or display surface including at least one emissive layer and a near-infrared (NIR) emissive layer disposed in a stack arrangement between a first electrode and a second electrode, where NIR light is emitted from the NIR emissive layer through the at least one emissive layer, or visible light is emitted from the at least one emissive layer through the NIR emissive layer, and where the NIR light output by the NIR emissive layer has a peak wavelength of 740 nm-1000 nm. Embodiments of the disclosed subject matter may provide a near infrared (NIR) light source disposed behind or in front of an active-matrix organic light emitting diode (AMOLED), where the NIR light source has an area greater than 25% of an active area of the display device or display surface.