Abstract: A light emitting element includes a first electrode, a second electrode disposed on the first electrode, and an emission part disposed between the first electrode and the second electrode and including a first emission layer and a second emission layer disposed on the first emission layer, the first emission layer may include a first host, and a first dopant, and the second emission layer may include a hole transport host different from the first host, an electron transport host, and a second dopant. A first hole mobility of the first host may be in a range of about 5.0×10?6 cm2/Vs to about 1.0×10?3 cm2/Vs, a second hole mobility of a host mixture including the hole transport host and the electron transport host may be in a range of about 1.0×10?6 cm2/Vs to about 1.0×10?4 cm2/Vs, and the first hole mobility may be larger than the second hole mobility.

Abstract: 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. The emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first compound, and the second emission layer includes a second compound. The first compound includes at least one deuterium (D), and the second compound does not include deuterium. An electronic apparatus including the light-emitting device is also provided.

Abstract: A light-emitting device includes a first emission layer and a second emission layer, wherein the first emission layer includes a first hole-transporting host (HTH1), a first electron-transporting host (ETH1), and a first phosphorescent dopant (G1), and the second emission layer includes a second hole-transporting host (HTH2), a second electron-transporting host (ETH2), and a second phosphorescent dopant (G2). The electron mobility of the ETH1 is faster than the electron mobility of the ETH2, the hole mobility of the HTH2 is faster than the hole mobility of the HTH1, and the HTH1 and/or HTH2 includes deuterium.

Abstract: 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. The emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first compound, and the second emission layer includes a second compound. The first compound includes at least one deuterium (D), and the second compound does not include deuterium. An electronic apparatus including the light-emitting device is also provided.

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer stack, wherein the emission layer stack includes: a first emission layer including a first host and a first dopant; and a second emission layer including a second host, a second dopant, and an electron transport compound, wherein the first host and the second host are different compounds from each other, the first emission layer is in contact with the second emission layer, and the second emission layer is closer to the second electrode than the first emission layer.

Abstract: Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes a hole injection layer and an electron transport layer, the hole injection layer includes a first electron transport compound, and a hole mobility (MH) and electron mobility (ME) of the first electron transport compound satisfy following Equation (1): Equation (1) MH?ME×0.95??(1).

Abstract: A light-emitting device includes a first electrode, a second electrode, m emitting units, and m?1 charge generation layers. The m emitting units each include a hole transport region, an emission layer, and an electron transport region. At least one emission layer of the m emitting units includes a first emission layer and a second emission layer, and at least one hole transport region adjacent to a p-type charge generation layer includes a multi-layered hole transport layer consisting of a first non-doped layer, a doped layer, and a second non-doped layer. The first non-doped layer and the second non-doped layer each independently consist of a hole transport material, the doped layer includes a hole transport material and a p-dopant, and the hole transport region adjacent to the first electrode does not include the multi-layered hole transport layer. An electronic apparatus including the light-emitting device is also provided.

Abstract: 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. The emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first compound, and the second emission layer includes a second compound. The first compound includes at least one deuterium (D), and the second compound does not include deuterium. An electronic apparatus including the light-emitting device is also provided.

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, a first emission layer between the first electrode and the second electrode, and a second emission layer between the first emission layer and the second electrode. The first emission layer includes a first compound and a second compound, the second emission layer includes a third compound and a fourth compound, the first compound and the second compound are different from each other, and the third compound and the fourth compound are different from each other. The fourth compound includes at least one of an electron transport compound and a bipolar compound. An electronic apparatus including the light-emitting device is also provided.

Abstract: Provided are an organic light-emitting device and an apparatus including the same. The organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes m emission units; and m-1 charge generation units between two neighboring emission units among the m emission units, wherein m is an integer of 2 or more, and at least one of the m-1 charge generation units includes a heterocyclic compound represented by Formula 1 below: Substituents in Formula 1 may be understood as described in connection with the detailed description.

Abstract: In an embodiment of the present disclosure, a garment for regulating a temperature of a wearer is provided. The garment includes a fabric configured to be worn by the wearer. The fabric includes channels parallel to a primary surface of the fabric. The garment includes a branched tube network for circulating a working fluid. The branched tube network is disposed in the channels of the fabric. The branched tube network includes a plurality of tubes wherein at least one end of each tube of the plurality of tubes is branched and connected to two daughter tubes, or more, the connection having a branch angle of between 1 and 359 degrees, inclusive. The tube network has at least two levels of branches.

Abstract: An adjustable shoe includes an outsole having a middle portion hingedly attached to a forefoot portion and a heel portion. A segmented driveshaft spans from the forefoot portion of the outsole to the heel portion. Rotation of a front segment of the driveshaft causes the forefoot portion of the outsole to rotate about a hinge axis thereby adjusting a forefoot angle. A first motor is connected to the driveshaft and operable to rotate the driveshaft. A processor is in communication with the first motor and programmed to operate the first motor to provide adjustment to the shoe. A method of adjusting a shoe includes receiving a signal representing a measured force on a portion of an outsole of the shoe. If the measured force exceeds a pre-determined threshold, a motor is activated to change an angle of a forefoot portion of the outsole relative to a middle portion.

Abstract: In an embodiment of the present disclosure, a garment for regulating a temperature of a wearer is provided. The garment includes a fabric configured to be worn by the wearer. The fabric includes channels parallel to a primary surface of the fabric. The garment includes a branched tube network for circulating a working fluid. The branched tube network is disposed in the channels of the fabric. The branched tube network includes a plurality of tubes wherein at least one end of each tube of the plurality of tubes is branched and connected to two daughter tubes, or more, the connection having a branch angle of between 1 and 359 degrees, inclusive. The tube network has at least two levels of branches.

Abstract: An adjustable shoe includes an outsole having a middle portion hingedly attached to a forefoot portion and a heel portion. A segmented driveshaft spans from the forefoot portion of the outsole to the heel portion. Rotation of a front segment of the driveshaft causes the forefoot portion of the outsole to rotate about a hinge axis thereby adjusting a forefoot angle. A first motor is connected to the driveshaft and operable to rotate the driveshaft. A processor is in communication with the first motor and programmed to operate the first motor to provide adjustment to the shoe. A method of adjusting a shoe includes receiving a signal representing a measured force on a portion of an outsole of the shoe. If the measured force exceeds a pre-determined threshold, a motor is activated to change an angle of a forefoot portion of the outsole relative to a middle portion.

Abstract: A fabric for temperature regulation and a wearable device for regulating a temperature of a wearer are disclosed. The wearable device has a fabric and one or more microtubes woven in the fabric. Each microtube has an inlet and an outlet, and each microtube is configured to transport a gas through the microtube from the inlet to the outlet. A pump moves gas through the microtube to heat or cool the wearer. The fabric may have a plurality of warp yarns in a warp direction and weft yarns in a weft direction. The fabric also has a plurality of microtubes in a warp and/or weft direction of the fabric. The fabric is formed by interweaving the plurality of microtubes with the warp yarns and weft yarns.

Abstract: Methods, systems, and devices are disclosed for applying motion stimulations on a body using actuators. In one aspect, a device to provide mechanical stimulation to a user includes an apparel material capable of being worn by a user, a flexible material substrate configured at a portion or region of the apparel material, an actuator module attached to the flexible material substrate and structured to include an array of piezoelectric actuators to apply mechanical perturbations at a frequency to the user wearing the apparel material, and a power supply module electrically coupled to the actuator module to provide electrical power to the actuator module. The actuator module may be located within one of a pillow, seat, bed and stuffed animal, or it may be in physical connection with one of wearable apparel, bedding, cloth and blankets.