Abstract: An organic electroluminescence device comprising an electron-transporting zone comprising i) at least one compound represented by formula (I), and ii) at least one rare earth metal, rare earth metal compound, and/or rare earth metal complex, wherein the electron-transporting zone does not comprise an alkali metal, an alkali metal compound, an alkali metal complex, an alkaline earth metal, an alkaline earth metal compound, and an alkaline earth metal complex; a material for an organic electroluminescence device comprising a combination of at least one compound of formula (I) and at least one rare earth metal, rare earth metal compound, and/or rare earth metal complex; an organic electroluminescence device comprising said organic electroluminescence device and the use of a compound of formula (I) in combination with at least one rare earth metal, rare earth metal compound, and/or rare earth metal complex, in an electron-transporting zone of an organic electroluminescence device, wherein the electron-transpo
Abstract: An oxide semiconductor film includes indium (In) and a first metal element selected from the group consisting of aluminum (Al), gallium (Ga), yttrium (Y), scandium (Sc), and lanthanoid elements. The oxide semiconductor film has a polycrystalline structure. The oxide semiconductor film includes a plurality of crystal grains, each of which has at least one of a crystal orientation, a crystal orientation, and a crystal orientation measured by an electron backscatter diffraction method. The oxide semiconductor film includes a first region in which the crystal orientation is oriented within 15 degrees with respect to a normal direction of a surface of the semiconductor film. An occupancy ratio of the first region in the oxide semiconductor film is greater than or equal to 20%.
Type:
Application
Filed:
March 26, 2026
Publication date:
July 30, 2026
Applicants:
Japan Display Inc., IDEMITSU KOSAN CO., LTD.
Abstract: An electronic substrate material contains a resin having a structure including structures represented by formula (UN1) and formula (UN2) or including structures represented by formula (UN1) and formula (UN3). In the formulae, * each represents a bond. R1 and R2 each independently represent an organic group having 1 to 12 carbon atoms or the like, and m represents 1 or the like. X is an organic group having 6 to 12 carbon atoms or the like, R3 is an organic group having 1 to 10 carbon atoms, and n represents 1 or the like. Y is a single bond, an organic group having 1 to 10 carbon atoms, or the like, R4 is an organic group having 1 to 10 carbon atoms, R5 is an organic group having 1 to 10 carbon atoms, and p represents 1 or the like.
Abstract: An organic electroluminescence device includes a first emitting layer and a second emitting layer provided between an anode and a cathode, in which the first emitting layer contains, as a first host material, a first compound represented by a formula (1) below and having at least one group represented by a formula (11) below, and the second emitting layer contains a second host material.
Abstract: A display device includes a display panel including a display portion having a plurality of pixels; and a sensor element disposed on a rear side of the display portion. The display portion has a first region overlapping the sensor element and a second region other than the first region in a plan view. Each of the plurality of pixels has a semiconductor device including a channel portion and a conductive portion made of an oxide semiconductor having a polycrystalline structure. Each of the plurality of pixels in the first region is connected by a first signal line comprising the same layer as the conductive portion, and each of the plurality of pixels in the second region is connected by a second signal line comprising a metal layer connected to the conductive portion.
Type:
Grant
Filed:
August 4, 2023
Date of Patent:
July 28, 2026
Assignees:
JAPAN DISPLAY INC., IDEMITSU KOSAN CO., LTD.
Abstract: The present invention provides a production method of a solid electrolyte containing a lithium element, a sulfur element, a phosphorous element, and a halogen element, wherein the solid electrolyte has a high ionic conductivity and capable of suppressing hydrogen sulfide by adopting a liquid-phase method, wherein the method includes mixing a complexing agent having an ester group and also having at least one branch with a solid electrolyte raw material. The present invention also relates to an electrolyte precursor.
Abstract: A lubricating oil composition containing a phosphite ester derivative (A) having at least one alkyl group having 1 to 20 carbon atoms in which one —CH2— group is substituted with a —S— group, and a thiadiazole derivative (B). A method of lubricating an electric drive unit with the lubricating oil composition and an electric drive unit including the lubricating oil composition.
Abstract: A compound represented by a formula (1) and having at least one deuterium atom is provided. In the formula (1), n is 1 to 4, L1 is a divalent group or a group represented by a formula (11) and R111 to R119 and R211 to R219 are each independently a hydrogen atom or a substituent, where the compound represented by the formula (1) does not include a group represented by —N(R906) (R907) and R906 and R907 are each independently a hydrogen atom, an alkyl group having 1 to 50 carbon atoms, or the like. In the formula (11), X13 is an oxygen atom or a sulfur atom, Y1 to Y8 are each independently CR300 or a nitrogen atom, and two of R300 are a single bond bonded with *a or other L1 and a single bond bonded with *b or other L1.
Abstract: A color conversion particle includes: a particle body that contains a chalcogenide perovskite and emits light in response to excitation light received; and a shell that is formed of a semiconductor material for transmitting the excitation light and covers the particle body to inactivate defects on the surface of the particle body. The shell has a band gap more than 2.7 eV.
Abstract: A thin film transistor includes an oxide semiconductor layer having a polycrystalline structure, a metal oxide layer in contact with the oxide semiconductor layer, a gate electrode provided so as to overlap the oxide semiconductor layer, a gate insulating layer provided between the oxide semiconductor layer and the gate electrode. The oxide semiconductor layer includes a plurality of crystal grains, each of which has at least one of a crystal orientation <101>, a crystal orientation <111>, and a crystal orientation <001> that are measured by an electron backscatter diffraction method. The oxide semiconductor layer includes a first region in which the crystal orientation <101> is oriented within 15 degrees with respect to a normal direction of a surface of the semiconductor layer. An occupancy ratio of the first region is greater than or equal to 20%.
Type:
Application
Filed:
March 25, 2026
Publication date:
July 23, 2026
Applicants:
Japan Display Inc., IDEMITSU KOSAN CO., LTD.
Abstract: A photoelectric conversion element includes: a back electrode layer formed on a substrate; a photoelectric conversion layer facing a light receiving surface side of the back electrode layer and containing a chalcogen semiconductor; and a current collector electrically connected to the light receiving surface side of the photoelectric conversion layer, in which a first region including an interface between the back electrode layer and the photoelectric conversion layer and a second region not including an interface between the back electrode layer and the photoelectric conversion layer are provided on the substrate, and a joined portion between the current collector and a wiring member is formed in the second region.
Abstract: A refrigerator oil composition with a base oil (A), and a first phosphorus compound (B). The first phosphorus compound (B) is a first phosphite ester (B1) represented by formula (1) and a second phosphite ester (B2) represented by formula (2): A method of producing a refrigerator oil composition by mixing a base oil (A) with a first phosphorus compound (B). A refrigerator mixture composition includes the refrigerator oil composition and a refrigerant.
Abstract: An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer provided between the first emitting layer and the cathode in which the first emitting layer contains a first compound represented by a formula (1) below as a first host material, the first compound containing at least one group represented by a formula (11) below, the second emitting layer contains a second compound represented by a formula (2) below as a second host material, and the first emitting layer and the second emitting layer are in direct contact with each other.
Abstract: The following steps are performed: a precursor holding step of holding a powder precursor containing a triplet sensitizer and an organic luminescent material in a holding space having a predetermined height of a precursor holder; a pressing step of applying pressure to the powder precursor along a Z direction; and a temperature control step where a first temperature being a temperature of a first end of the powder precursor and a second temperature being a temperature of a second end thereof are raised by heating to or above a melting point of the organic luminescent material, and then are gradually lowered to below a coagulation point of the organic luminescent material while maintaining a temperature difference between the first and second temperatures, given that a ?X-side end and a +X-side end of the powder precursor are defined as the first end and the second end, respectively.
Type:
Application
Filed:
December 7, 2023
Publication date:
July 16, 2026
Applicants:
IDEMITSU KOSAN CO., LTD., INSTITUTE OF SCIENCE TOKYO
Abstract: An organic electroluminescence device includes: a first emitting layer disposed between an anode and a cathode; a second emitting layer disposed between the first emitting layer and the cathode; and an electron blocking layer disposed between the first emitting layer and the anode, in which the first emitting layer and the second emitting layer are in direct contact with each other; the first emitting layer and the electron blocking layer are in direct contact with each other; the first emitting layer includes a first compound represented by a formula (1) below; the first compound includes at least one group represented by a formula (11) below; the second emitting layer includes a second compound represented by a formula (2); the electron blocking layer includes a third compound; and the third compound satisfies a formula (M1) below.
Abstract: A thermosetting composition for injection molding comprising: (A) a di(meth)acrylate compound having structural units represented by the formulas (A1), and (B) a thermal polymerization initiator.
Abstract: A pressure medium containing at least one Group-14 element-containing organic compound (A) selected from the group consisting of a compound (A1) represented by the general formula (a1) and a compound (A2) represented by the general formula (a2): where each of Ra11, Ra12, Ra13, and Ra14 independently represents an alkyl group having 3 to 6 carbon atoms, and Za1 represents a carbon atom or a silicon atom: where each of Ra21, Ra22, Ra23, and Ra24 independently represents an alkyl group having 3 to 6 carbon atoms, and Za2 represents a silicon atom, a germanium atom, a tin atom, or a lead atom.
Abstract: A compound represented by the following formula (1), wherein L1 is a single bond or an arylene group, and Ar1 and Ar2 are an unsubstituted aryl group.
Abstract: A radio wave absorber comprising a resin and a carbon fiber, wherein 60 to 90% by volume of the total carbon fiber is present in a region from the first surface of the radio wave absorber to half of the total thickness of the radio wave absorber.