Abstract: A photo-alignment material in which an alignment film can be formed parallel to a vibration direction of light and a tilt angle of the alignment film is easily controlled and a photo-alignment method using the photo-alignment material are provided. A photo-alignment material of the present invention contains a photo-responsive substance having a threshold value of responding light intensity.

Abstract: A photo-alignment material in which an alignment film can be formed parallel to a vibration direction of light and a tilt angle of the alignment film is easily controlled and a photo-alignment method using the photo-alignment material are provided. A photo-alignment material of the present invention contains a photo-responsive substance having a threshold value of responding light intensity.

Abstract: A photo-alignment material in which an alignment film can be formed parallel to a vibration direction of light and a tilt angle of the alignment film is easily controlled and a photo-alignment method using the photo-alignment material are provided. A photo-alignment material of the present invention contains a photo-responsive substance having a threshold value of responding light intensity.

Abstract: The invention provides a metal complex having a structure represented by the following formula (1): wherein M represents a metal atom such as copper; C1 and C2 are each an sp3 carbon atom; A1-A4 each independently represent hydrogen, etc; this is with the proviso that A1 and A3 may bond together to form a C4 or greater alkylene group and form a ring together with C1 and C2; the alkylene group may be optionally substituted; R0-R7 each independently represent hydrogen, etc; Z represents a monovalent monodentate ligand, and p is the number of monodentate ligands, represented by (“valency of central metal atom M” ?2).

Abstract: Provided are an organic EL device having improved conductivity of an anode compared with conventional organic EL devices, and a method for manufacturing such organic EL device. The organic EL device is provided with a layer-like optical element (40), which at least contains a liquid crystal material and a dye, has a refractive index distribution based on orientation of liquid crystal molecules constituting the liquid crystal material, and has the refractive index distribution fixed; a substrate (11) which can transmit visible light; a light emitting layer (60) composed of an organic EL material; a cathode (70); and an anode (50). Each of the cathode (70) and the anode (60) is formed layer-like. The organic EL device is further provided with an alignment film (12), and the alignment film (12) and the optical element (40) are in contact with each other.

Abstract: Disclosed is an organic electroluminescent element comprising an anode, a cathode and a component layer including a light emission layer, the component layer being provided between the anode and the cathode, wherein the component layer contains a compound represented by formula 1, X1-(A1)n??Formula 1 wherein A1 represents a group represented by formula 2;

Abstract: A organic electroluminescent element is disclosed which comprises a light emission layer containing a fluorescent compound and a phosphorescent compound, the fluorescent compound having a nitrogen atom number to carbon atom number ratio in the molecule (N/C) of from 0 to 0.05, wherein the maximum emission wavelength of light emitted according to electroluminescence of the element is longer than the maximum fluorescence wavelength of the Fluorescent compound.

Abstract: A organic electroluminescent element is disclosed which comprises a light emission layer containing a fluorescent compound and a phosphorescent compound, the fluorescent compound having a nitrogen atom number to carbon atom number ratio in the molecule (N/C) of from 0 to 0.05, wherein the maximum emission wavelength of light emitted according to electroluminescence of the element is longer than the maximum fluorescence wavelength of the Fluorescent compound.

Abstract: An organic electroluminescent element is disclosed which comprises a light emission layer containing a fluorescent compound and a phosphorescent compound, the fluorescent compound having a nitrogen atom number to carbon atom number ratio in the molecule (N/C) of from 0 to 0.05, wherein the maximum emission wavelength of light emitted according to electroluminescence of the element is longer than the maximum fluorescence wavelength of the fluorescent compound.

Abstract: An organic electroluminescence element with a light emission layer containing a host compound and a phosphorescent compound. The host compound contains a boron atom in the molecule and the phosphorescent compound is a metal complex containing a Group VIII metal.

Abstract: Disclosed is an organic electroluminescent element comprising an anode, a cathode and a component layer including a light emission layer, the component layer being provided between the anode and the cathode, wherein the component layer contains a compound represented by formula 1,

Abstract: An organic electroluminescence element is disclosed which comprises a light emission layer containing a host compound and a phosphorescent compound, wherein the host compound contains a boron atom in the molecule.

Abstract: An organic electroluminescent element is disclosed which comprises a light emission layer containing a fluorescent compound and a phosphorescent compound, the fluorescent compound having a nitrogen atom number to carbon atom number ratio in the molecule (N/C) of from 0 to 0.05, wherein the maximum emission wavelength of light emitted according to electroluminescence of the element is longer than the maximum fluorescence wavelength of the fluorescent compound.