Abstract: A polymer including a structural unit represented by the following formula (A). In the formula (A), P is independently a group represented by the following formula (P), a is an integer of 2 to 5, and b is an integer of 0 to 5. In the formula (P), A is independently a nitrogen atom or CR; X is a single bond, O, S, C(R)2 or NR. R is independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms or the like, or a single bond used for bonding to another P or L, provided that at least one R contained in (P)a is represented by any one of the following formulas (3) to (7).

Abstract: A polymer including structural units represented by the following formulas (A) and (B). In the formula (A), P is a group derived from a compound represented by the formula (P). L1 is a linkage group. In the formula (B), Q is a group derived from a compound represented by the formula (Q). L2 is a linkage group. In the formula (B), at least one of “c”Qs and “d”L2s includes a cross-linkable group.

Abstract: A compound has a first structure represented by a formula (1), a second structure represented by a formula (2), a third structure represented by a formula (3), and a fourth structure represented by a formula (4), the first structure, the second structure, the third structure and the fourth structure being mutually independently present in a molecule,

Abstract: Organic EL devices with improved performance and electronic devices including the organic EL devices are provided, and compounds represented by formula (1), materials for organic electroluminescence devices, ink compositions which realize the organic EL devices are provided:

Abstract: Provided are a copolymer having plural repeating units each having a specific structure, and having a weight-average molecular weight of from 100,000 to 3,000,000; a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer; a solution containing the copolymer and a solvent; and an organic electroluminescent device using the material for organic electroluminescent devices. The copolymer has not only charge transporting properties but also solubility and is suitable for forming a film according to a coating method. The present invention provides the copolymer, and a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer, an organic electroluminescent device, and a solution containing the copolymer.

Abstract: There is provided a display device including a display unit that displays an image thereon, an optical unit that projects a display image of the display unit on the eyes of a user, a correction information retaining unit that retains correction information created in advance according to a state of the user, and a distortion correction unit that corrects distortion of the display image based on correction information according to a current state of the user.

Abstract: There is provided a display device including a display unit that displays an image thereon, an eyepiece optical unit that projects a display image of the display unit on the eyes of a user, a correction information retaining unit that retains correction information created in advance according to a state of the user, and a distortion correction unit that corrects distortion of the display image based on correction information according to a current state of the user.

Abstract: A diarylethene compound represented by formula (I) wherein, Sg is a monovalent sugar residue formed by removing one hydroxyl group from a sugar compound or a monovalent protected sugar residue formed by removing one hydroxyl group from a sugar compound in which one or more other hydroxyl groups are protected, and wherein the sugar is selected from the group consisting of a six-membered ring sugar, a five-membered ring sugar, cyclitol, and oligosaccharides containing a six-membered ring sugar, a five-membered ring sugar, or cyclitol; U is —(CH2)n—, —CH2—U?—, or —C(?O)— wherein n is an integer of 1 to 5, U? is a C2-C10 branched alkylene group binding to Ar); and Ar is a group represented by formula (A1) or (A2); wherein, X is S, SO2, NR3 in which R3 is a C1-C3 alkyl group, or O, R is C1-C4 alkyl group, R1 and R2 are independently a C1-C3 alkyl group, a is 0 or 1, b is an integer of 0-3, and * represents a bond with U; Y is a hydrogen atom or a halogen atom; and m is an integer of 3 to 5.

Abstract: An aromatic heterocyclic derivative represented by the following formula (1)-1 or (1)-2: wherein in the formula (1)-1 or (1)-2, A is a substituted or unsubstituted nitrogen-containing heterocyclic group including 2 to 30 ring carbon atoms; B is a substituted or unsubstituted aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted aromatic heterocyclic group including 2 to 30 ring carbon atoms; n is an integer of 2 or more; and Czs are independently an aromatic heterocyclic group including a predetermined structure.

Abstract: Provided is a display device including an image display unit configured to display an image with a plurality of pixels arranged on a display surface, an eyepiece optical unit configured to project the display surface of the image display unit in a manner that a predetermined angle of view is obtained, and an image correction unit configured to correct a display image on the display surface at a position of each of representative pixels which are discretely located on the display surface, on the basis of distortion generated due to the eyepiece optical unit.

Abstract: A composition or a compound suitable for use in forming the layer of organic EL device by a coating method, a material for organic electroluminescence devices including the composition or the compound, an ink composition including the composition or the compound, an organic electroluminescence device employing the composition or the compound, and an electronic device including the organic electroluminescence device are provided. The compound includes a nitrogen-containing hetero aromatic hydrocarbon group which has a substituent with a specific structure. The composition includes the compound.

Abstract: Provided are a compound that is represented by the following general formulae (1) and (2), and has a nitrogen-containing heteroaromatic group substituted with a substituent having a particular structure containing 11 or more benzene rings in one molecule, a material for an organic electroluminescence device containing the compound, an ink composition containing a solvent and the compound, an organic electroluminescence device containing the compound, and an electronic equipment having the organic electroluminescence device mounted thereon.

Abstract: Provided is an organic electroluminescence device having high luminous efficiency, high heat resistance and an extremely long lifetime. The organic electroluminescence device of the present invention includes an organic thin film layer composed of one or more layers containing at least a light emitting layer is interposed between a cathode and an anode. The light emitting layer includes a compound containing a condensed ring and a luminescent metal complex capable of emitting light having a red-based color. It is preferable that the compound containing a condensed ring includes a host material, while the luminescent metal complex capable of emitting light having a red-based color includes a phosphorescent dopant.

Abstract: A compound represented by the following formula (1): wherein in the formula, L1 is a single bond or a linking group, A is a group represented by the following formula (A), B is a group represented by the following formula (B), m is an integer of 1 to 3, and n is an integer of 1 to 4.

Abstract: Provided are an organic electroluminescence device having improved performance and an electronic equipment containing the device, and also provided are a compound, a material for organic electroluminescence devices and an ink composition that enable the device and the equipment. The organic electroluminescence device contains a cathode, an anode, and one or more organic tin film layers containing a light emitting layer between the cathode and the anode, wherein at least one layer of the one or more organic thin film layers contains a compound represented by the formula (1) wherein Cz1 is a group represented by the formula (Cz-1), Cz2 is a group represented by the formula (Cz-2), A is a residue of a substituted or unsubstituted, nitrogen-containing aromatic hetero ring having 6 to 30 ring atoms, L1 and L2 each independently represent a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms, and n1 and n2 each are independently an integer of 0 to 4.

Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1): and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.

Abstract: Provided is a display device including an image display unit configured to display an image with a plurality of pixels arranged on a display surface, an eyepiece optical unit configured to project the display surface of the image display unit in a manner that a predetermined angle of view is obtained, and an image correction unit configured to correct a display image on the display surface at a position of each of representative pixels which are discretely located on the display surface, on the basis of distortion generated due to the eyepiece optical unit.

Abstract: A compound having a structure wherein at least 8-position or 9-position of fluoranthene is replaced by a nitrogen atom, a material for organic electroluminescence devices including the compound, and an organic electroluminescence device and an electronic equipment each including the material are provided. The compound is represented by formula (1): wherein A represents CR0 or N; R0 to R8 each independently represent a hydrogen atom or a substituent; at least one selected from R0 to R8 represents a substituent other than hydrogen atom; and groups selected from R0 to R8 which are bonded to adjacent carbon atoms may be bonded to each other to form a saturated or unsaturated ring structure.

Abstract: A compound represented by formula (1): wherein *a, *b, R1, X1, L1, L2, n, A1, and A2 are as defined in the description, and a production method of the compound represented by formula (1) are provide. In the production method, A1 is introduced under a reaction condition in which the reactivity of Hal2 in a compound represented by formula (I): wherein *c, *d, R1, X1, L1, L2, n, A1, A2, Hal1, and Hal2 are as defined in the description, is extremely low as compared with that of Hal1 and then A2 which is different from A1 is introduced under a reaction condition in which the reactivity of Hal2 is high. The compound represented by formula (1) is formed into a layer by a coating method and meets various performance requirements of an organic EL device.

Abstract: A compound represented by the following formula (1): wherein in the formula, L1 is a single bond or a linking group, A is a group represented by the following formula (A), B is a group represented by the following formula (B), m is an integer of 1 to 3, and n is an integer of 1 to 4.