Abstract: A light-emitting element is provided and includes an anode, a cathode opposite to the anode, a first light-emitting unit arranged on the anode, a first charge generation layer arranged on the first light-emitting unit, and a second light-emitting unit arranged between the first charge generation layer and the cathode. The cathode includes a first layer including a compound including silver and lithium, and a second layer arranged on the first layer and including a transparent oxide.

Abstract: A display device includes first to third anode electrodes on a pixel circuit layer and apart from each other, a first resonance auxiliary structure on the second anode electrode and having a first thickness, a second resonance auxiliary structure on the third anode electrode and having a second thickness, a first sub-anode electrode on the first anode electrode and in contact with the first anode electrode, a second sub-anode electrode on the second anode electrode to cover the first resonance auxiliary structure and in contact with the second anode electrode, a third sub-anode electrode on the third anode electrode to cover the second resonance auxiliary structure and in contact with the third anode electrode, a cathode electrode on the first to third anode electrodes, and an emission stack layer between the cathode electrode and the first to third sub-anode electrodes and including first to third emission layers sequentially stacked therein.

Abstract: A light emitting element includes an anode electrode, a cathode electrode facing the anode electrode, and a light emitting structure provided between the anode electrode and the cathode electrode, and including a first light emitting unit, a charge generation layer, and a second light emitting unit. The second light emitting unit includes a second hole transport unit provided on the charge generation layer, a second light emitting layer provided on the second hole transport unit, an intermediate layer provided on the second light emitting layer, a third light emitting layer provided on the intermediate layer, and a second electron transport unit provided between the third light emitting layer and the cathode electrode.

Abstract: A display device includes: a first pixel electrode comprising a first reflective electrode in a first emission area, a first light transmitting pattern on the first reflective electrode, and a first light transmitting electrode on the first reflective electrode and the first light transmitting pattern and connected to the first reflective electrode; a second pixel electrode comprising a second reflective electrode in a second emission area and a second light transmitting electrode on the second reflective electrode; a light emitting stack on the first and second pixel electrodes and comprising at least one light emitting layer; a common electrode on the light emitting stack; and a bank pattern surrounding the first and second emission areas, and having at least a portion between the first emission area and the second emission area, wherein the first light transmitting pattern and the bank pattern contain a same material and are spaced apart.

Abstract: Wireless power transmitting and receiving apparatuses are described, using a superconducting coil for a resonant coil, and wireless power charging systems using the same. Wireless power charging systems described include a power source, a wireless power transmitter connected with the power source, a wireless power receiver, and a battery connected with the wireless power receiver. The wireless power transmitter includes a source coil connected with the power source, a superconducting transmitting coil into which electricity is induced by a magnetic field generated when electricity flows through the source coil, and a first conductive cooling device connected with the superconducting transmitting coil.