Abstract: The present disclosure relates to an organic compound of Formula 1, and an organic light emitting diode including the organic compound and an organic light emitting display device including the organic compound. The organic light emitting diode comprises a first electrode, a second electrode facing the first electrode, and a first emitting material layer positioned between the first and second electrodes, where the first emitting material layer includes the organic compound. The organic light emitting display device comprises a substrate, the above organic light emitting diode over the substrate, and an encapsulation film covering the organic light emitting diode.

Abstract: The present disclosure relates to an organic compound of Formula 1, and an organic light emitting diode including the organic compound and an organic light emitting display device including the organic compound. The organic light emitting diode comprises a first electrode, a second electrode facing the first electrode, and a first emitting material layer positioned between the first and second electrodes, where the first emitting material layer includes the organic compound. The organic light emitting display device comprises a substrate, the above organic light emitting diode over the substrate, and an encapsulation film covering the organic light emitting diode.

Abstract: The present disclosure relates to an organic light emitting diode that includes a first electrode; a second electrode facing the first electrode; and an emitting material layer including a first compound and a second compound and positioned between the first and second electrodes. An energy level of the first compound and an energy level of the second compound satisfy a pre-determined condition. Further, an organic light emitting device may include the organic light emitting diode. Further, the present disclosure relates to an organic light emitting device may include the organic light emitting diode.

Abstract: A host material is disclosed. The host material, as a compound which is represented by the following formula 1, has a chemical structure in which nitrogen and silicon atoms are chemically and directly bonded to each other. Wherein the “a” is one selected from a material group which includes N, S, O, SO2 and NSiG1G2G3, and the “G1, G2 and G3” each become one of a hydrogen, and aromatic, heterocyclic and aliphatic groups which are or not substituted, respectively.

Abstract: A hermetic compressor capable of insulating connectors (43), to which a plurality of lead lines (42) connected to a terminal block (41) and a plurality of stator coils (31a) used in a stator (31) are connected, without using a separate insulator, and capable of preventing defective insulation of the connectors due to vibration or friction during operation of the compressor. The hermetic compressor comprises a compression device (20) to compress a refrigerant, the stator constituting a drive device (30) to drive the compression device, the plurality of lead lines to apply electric power to the stator, the plurality of stator coils used in the stator, the plurality of connectors, one of the lead lines and one of the stator coils being connected to each connector, and an insulation member (50) having a plurality of seating recesses (52), in which the connectors are seated, respectively, and a plurality of fixing grooves (55), in which the lead lines are fixed, respectively.