Abstract: The present disclosure relates to a plurality of light-emitting materials comprising at least one of first compounds and at least one of second compounds, wherein the first compound is represented by formula 1, and the second compound is represented by formula 2, and an organic electroluminescent device having improved lifetime properties can be provided by comprising the plurality of light-emitting materials.

Abstract: The present invention relate to an antenna apparatus, and more particularly, to an antenna apparatus including an antenna housing part formed in a form of an enclosure opened at a front side thereof, a board assembly disposed to be tightly attached to an internal space defined by the antenna housing part, and a plurality of antenna RF modules arranged on a front surface of the board assembly, in which the antenna housing part is divided into at least three components, and the components are manufactured and then coupled to one another to prevent distortion caused by thermal stress between upper and lower ends due to a difference in heat generation amount between heating elements mounted on the board assembly, thereby preventing the antenna housing part from being distorted by thermal stress caused by imbalance of heat generated from the heating elements, and solving a PIMD problem by preventing an unintended movement and clearance of the internal antenna RF modules.

Abstract: The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material comprising the same, and an organic electroluminescent device. By comprising the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.

Abstract: The present invention relates to an RF module for an antenna, and an antenna apparatus comprising same. In particular, the RF module comprises: a unit RF filter body arranged on the front surface of a main board; a radiating element unit disposed on the front surface of the unit RF filter body; and a reflector panel which is formed to be wider than the area of the vertical cross-section of the unit RF filter body while forming the front surface of the unit RF filter body, and grounds (GND) the radiating element unit, wherein a plurality of cavities opened outward to the left and right are respectively formed on the left and right sides of the unit RF filter body, each cavity comprises a left filter unit and a right filter unit which have a built-in resonator so as to perform different frequency filtering, and the left filter unit and the right filter unit are electrically connected to the radiating element unit by passing through the reflector panel.

Abstract: The present disclosure relates to a plurality of light-emitting materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material and/or a dopant material, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifetime properties compared to conventional organic electroluminescent devices.

Abstract: A display apparatus includes a substrate with a plurality of pixel areas. The display apparatus includes a light-emitting device formed in a pixel area for emitting light. An encapsulation unit is formed on the light-emitting device. The display apparatus includes a black matrix on the encapsulation unit, where an opening in the black matrix overlaps with the light-emitting device in a first direction. An upper surface of the control insulating layer is formed with a groove that is a recessed portion toward the substrate. An optical lens is disposed above the groove in the control insulating layer.

Abstract: The present disclosure relates to a plurality of organic electroluminescent materials comprising at least one first compound and at least one second compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds, in which the first compound is represented by formula 1 and the second compound is represented by formula 2, it is possible to provide an organic electroluminescent device having improved lifetime properties.

Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host consists of multi-component host compounds; at least a first host compound of the multi-component host compounds is a specific bicarbazole derivative containing an aryl group, and a second host compound is a specific carbazole derivative including a nitrogen-containing heteroaryl group. According to the present invention, the organic electroluminescent device using the multi-component host compounds has a high efficiency and long lifespan compared with the conventional device using one component host compound.

Abstract: The present disclosure relates to organic electroluminescent devices. The organic electroluminescent device according to the present disclosure exhibits improved lifespan characteristics and progressive driving voltage by including at least one deuterated compound(s).

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure or by comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved luminous efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device according to the present disclosure includes a deuterated organic electroluminescent material, so it can exhibit a low driving voltage and high luminous efficiency.

Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant; the host comprises plural host compounds; at least a first host compound of the plural host compounds has a structure of a nitrogen-containing heterocyclic linker bonded to a nitrogen atom of a carbazole of an indole-carbazole, indene-carbazole, benzofuran-carbazole, or benzothiophene-carbazole residue; and a second host compound has a carbazole-aryl-carbazole or carbazole-carbazole structure. According to the present invention, by using a specific multi-component host different from the conventional organic electroluminescent device, an organic electroluminescent device of significantly improved lifespan is provided.

Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure may be comprised in a light-emitting layer, and is effective for producing an organic electroluminescent device having high luminescent efficiency and/or excellent lifespan characteristic.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure shows high luminous efficiency and good lifespan by comprising a specific combination of the plural kinds of host compounds and a specific hole transport compound.

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by Formula 1 and at least one second host compound represented by Formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having significantly improved lifespan characteristics can be provided.

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure, it is possible to provide an organic electroluminescent device with a longer lifetime property compared to conventional organic electroluminescent devices.

Abstract: The present disclosure relates to an organic electroluminescent compound, an organic electroluminescent material comprising the same, and an organic electroluminescent device. By comprising the organic electroluminescent compound according to the present disclosure, an organic electroluminescent device having improved driving voltage and/or luminous efficiency and/or lifespan characteristics can be provided, compared with the organic electroluminescent device comprising a conventional organic electroluminescent compound.

Abstract: The present invention relates to an electron buffering material and an organic electroluminescent device comprising the same in an electron buffer layer. It is possible to provide an organic electroluminescent device having excellent luminous efficiency and lifespan characteristics by using the electron buffering material according to the present invention.