Abstract: Provided is a printed circuit board, including: a circuit pattern or a base pattern formed on an insulating layer; and a plurality of metal layers formed on the circuit pattern or the base pattern, wherein the metal layers includes: a silver metal layer formed of a metal material including silver; a first palladium metal layer formed at a lower part of the silver metal layer; and a second palladium metal layer formed at an upper part of the silver metal layer.

Abstract: An organic compound represented by Chemical Formula 1, an organic optoelectric device including the organic compound, and a display device are disclosed.

Abstract: The present invention relates to a compound represented by formula 1, an organic optoelectronic element comprising the same, and a display device comprising the organic optoeletric element. Formula 1 and the description regarding the samen are as defined in the specification.

Abstract: Disclosed are a compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The compound for an organic optoelectronic device represented by the following Chemical Formula ad-1 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.

Abstract: A compound for an organic optoelectronic device, an organic light-emitting device including the same and a display device including the organic light-emitting device are provided, and the compound for an organic optoelectronic device represented by a combination of the following Chemical Formula 1 and 2 is provided and thus an organic light-emitting device has improved life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.

Abstract: An organic optoelectric device includes an anode and a cathode facing each other, an emission layer between the anode and the cathode, a hole transport layer between the anode and the emission layer, and a hole transport auxiliary layer between the hole transport layer and the emission layer, wherein the emission layer includes at least one of a first compound including moieties represented by Chemical Formulae 1 to 3 sequentially linked and at least one of a second compound represented by Chemical Formula 4, and the hole transport auxiliary layer includes at least one of a third compound represented by Chemical Formula 5, and a display device including the organic optoelectric device is also provided.

Abstract: A display apparatus including a communicator configured to perform data communication with a content server and to receive at least one of a main document and a sub document related to the main document; a document analyzer configured to extract a keyword having a high frequency of occurrence from the main document and to determine a head keyword for generating a summarized document from the extracted keyword with reference to the received sub document; and a processor configured to determine a reliability of each sentence of the main document based on the head keyword, extract a sentence that matches a predetermined condition with reference to the determined reliability, and analyze a structural format of the extracted sentence so as to re-configure a word that forms the sentence and generate a summarized sentence, thereby generating a summarized document where information and logical cohesion have been obtained.

Abstract: A composition including a first host compound represented by Chemical Formula I and a second host compound represented by Chemical Formula II, and an organic optoelectronic device and a display device including the composition are disclosed.

Abstract: The present invention provides an apparatus for forming a shot that can prevent a loss of shot in the process of forming and sorting the shot balls and can collect dust in a cyclone type that can strongly suppress generation of dust.

Abstract: An organic optoelectric device including an anode and a cathode facing each other, an emission layer between the anode and the cathode, a hole transport layer between the anode and the emission layer, a hole transport auxiliary layer between the hole transport layer and the emission layer, an electron transport layer between the cathode and the emission layer, and an electron transport auxiliary layer between the electron transport layer and the emission layer, wherein the electron transport auxiliary layer includes a first compound represented by the following Chemical Formula 1, and the hole transport auxiliary layer includes a second compound represented by the following Chemical Formula 2:

Abstract: The present invention provides an apparatus for forming a shot that can prevent a loss of shot in the process of forming and sorting the shot balls and can collect dust in a cyclone type that can strongly suppress generation of dust.

Abstract: A compound, an organic light emitting element including the same, and a display device including the organic light emitting element are disclosed, and the compound for an organic optoelectric device represented by Chemical Formula 1 is provided.

Abstract: An organic compound represented by Chemical Formula 1, an organic optoelectric device including the organic compound, and a display device are disclosed.

Abstract: Provided is a heat conversion device, including: a unit thermoelectric module including a first semiconductor element and a second semiconductor element; and a heat conversion module performing heat conversion by coming into contact with the unit thermoelectric module, wherein the heat conversion module includes: a heat conversion substrate coming into direct contact with at least any one of one end and the other end of the first semiconductor element or the second semiconductor element; and a radiating unit disposed on the heat conversion substrate.

Abstract: An organic optoelectronic device and a display device including the same are disclosed, and the organic optoelectronic device includes an anode, a cathode and at least one organic layer interposed between the anode and the cathode, wherein the organic thin layer includes an emission layer, a hole transport layer, a hole injection layer, an electron transport layer, an electron injection layer, or a combination thereof, the organic thin layer includes an emission layer and a plurality of a hole transport layers, the hole transport layer contacting the emission layer of the plurality of hole transport layer includes a compound represented by a combination of Chemical Formula 1, Chemical Formula 2 or 3, and Chemical Formula 4, and one of the hole transport layers not contacting the emission layer includes a compound represented by Chemical Formula B-1.

Abstract: Disclosed are a compound for an organic optoelectronic device, an organic light-emitting diode including the same, and a display device including the organic light emitting diode. The compound for an organic optoelectronic device represented by the following Chemical Formula ad-1 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.

Abstract: Provided are an organic optoelectronic device and a display device including the same, and the organic optoelectronic device includes an anode, a cathode and at least one organic thin layer between the anode and the cathode, wherein the organic thin layer includes an emission layer, a hole transport layer (HTL), a hole injection layer (HIL), an electron transport layer (ETL), an electron injection layer (EIL) or a combination thereof, the organic thin layer includes an emission layer and a plurality of hole transport layer (HTL), the hole transport layer (HTL) adjacent to the emission layer of the plurality of hole transport layer (HTL) includes a compound represented by Chemical Formula A-1, one of the hole transport layers (HTL) that are not adjacent to the emission layer includes a compound represented by Chemical Formula B-1.

Abstract: Provided are a compound for an organic optoelectronic device represented by Chemical Formula 1, an organic light emitting diode including the same, and a display device including the organic light emitting diode. The structure of Chemical Formula 1 is shown in the specification. The compound for an organic optoelectronic device provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and having high luminous efficiency at a low driving voltage.

Abstract: A compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode are disclosed and the compound for an organic optoelectronic device represented by a combination of the following Chemical Formulae 1 and 2 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.

Abstract: A compound for an organic optoelectronic device, an organic light-emitting device including the same and a display device including the organic light-emitting device are provided, and the compound for an organic optoelectronic device represented by a combination of the following Chemical Formulae 1 and 2 is provided and thus an organic light-emitting device has improved life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.