Abstract: A blood flow disorder detection device includes: a sensor sheet including a flexible substrate and a plurality of sensors provided on the flexible substrate; and an analyzer that analyzes outputs of the plurality of sensors. The plurality of sensors measure different types of blood flow information of a living tissue, the blood flow information being obtained by attaching the sensor sheet to the living tissue. The analyzer detects a blood flow disorder in the living tissue by analyzing the different types of blood flow information from the plurality of sensors.

Abstract: A blood flow disorder detection device includes: a sensor sheet including a flexible substrate and a plurality of sensors provided on the flexible substrate; and an analyzer that analyzes outputs of the plurality of sensors. The plurality of sensors measure different types of blood flow information of a living tissue, the blood flow information being obtained by attaching the sensor sheet to the living tissue. The analyzer detects a blood flow disorder in the living tissue by analyzing the different types of blood flow information from the plurality of sensors.

Abstract: An organic electroluminescent device includes first and second electrode and an organic light emitting layer. The first electrode has an upper face. The organic light emitting layer is provided on the first electrode. The second electrode is provided on the organic light emitting layer. The second electrode includes a plurality of conductive parts. The conductive parts extend in a first direction parallel to the upper face and are arranged in a second direction. The second direction is parallel to the upper face and intersects with the first direction. When a length of each of the conductive parts in the second direction is set to W1 (micrometer), and a pitch of each of the conductive parts is set to P1 (micrometer). The W1 and the P1 satisfy a relationship of W1??647(1?W1/P1)+511 and a relationship of W1??882(1?W1/P1)+847.

Abstract: An organic electroluminescent device includes a first electrode, an insulating layer, an organic light emitting layer, a second electrode, and a light transmissive part. The first electrode has an upper face. The insulating layer is provided on the upper face. The insulating layer includes first to fifth insulating parts. The organic light emitting layer is provided on the upper face in between the insulating parts. The second electrode is provided on the organic light emitting layer. The light transmissive part overlaps the first region of the first electrode when projected onto the plane. The light transmissive part makes a phase of a first light permeating the first region to be different from a phase of a second light permeating the second region of the first electrode.

Abstract: An organic electroluminescent device includes a first electrode, an insulating layer, an organic light emitting layer, and a second electrode. The insulating layer is provided on the first electrode. The insulating layer includes a first opening for exposing a part of the first electrode. The organic light emitting layer includes a first part and a second part. The first part is provided on the part of the first electrode. The second part is provided on the insulating layer. The second electrode is provided on the organic light emitting layer. The second electrode includes a conductive part and a plurality of second openings. The conductive part is disposed on at least a part of the first part. Each of the second openings exposes a part of the organic light emitting layer. The second electrode is light-reflective.

Abstract: According to one embodiment, an organic electroluminescent element includes a first electrode, a reflective layer, an organic light emitting layer, a second electrode, and an optical buffer layer. The reflective layer is provided to face the first electrode. The organic light emitting layer is provided between the first electrode and the reflective layer. The second electrode is provided between the organic light emitting layer and the reflective layer. The optical buffer layer is provided between the second electrode and the reflective layer. The refractive index of the optical buffer layer is lower than a refractive index of the organic light emitting layer. The optical buffer layer includes a gas filled between the second electrode and the reflective layer.

Abstract: According to an embodiment, an organic electroluminescent device includes a first electrode that is optically transparent and has a first region and a second region; an insulation layer that has insulation parts formed of a translucent insulation material on the first and second regions, the insulation parts arranged per unit of surface area are equal in number between the first and second regions; an organic layer provided on at least the first region of the first electrode via the insulation layer; and a second electrode formed on the organic layer, having conductive parts each of which is light-reflective and openings. Each of the openings overlaps at least two of the insulation parts.

Abstract: According to one embodiment, a light-emitting device includes a first light emitter, a second light emitter. The first light emitter includes a first organic layer and a second organic layer. The first organic layer includes a fluorescent material to emit a first light having a first light emission spectrum. The second organic layer is stacked with the first organic layer in a first direction. The second organic layer includes a first phosphorescent material to emit a second light having a second light emission spectrum different from the first light emission spectrum. The second light emitter includes a third organic layer to emit a third light having a third light emission spectrum different from the first light emission spectrum and the second light emission spectrum. A triplet energy of the fluorescent material is higher than a triplet energy of the first phosphorescent material.

Abstract: According to one embodiment, an organic electroluminescent element includes a first electrode, a reflective layer provided opposite to the first electrode, an organic light emitting layer provided between the first electrode and the reflective layer, a second electrode provided between the organic light emitting layer and the reflective layer, an optical buffer layer provided between the second electrode and the reflective layer, and a plurality of light extraction portions. The plurality of light extraction portions are provided between the second electrode and the organic light emitting layer. The plurality of light extraction portions are projected from the side provided with the second electrode of the optical buffer layer into the optical buffer layer. The light extraction portions have a refractive index different from a refractive index of the optical buffer layer.

Abstract: According to one embodiment, an organic electroluminescent element includes a first electrode, a second electrode provided opposite to the first electrode, an organic light emitting layer provided between the first electrode and the second electrode, and a protrusion. The protrusion is provided at least one of between the first electrode and the organic light emitting layer and between the organic light emitting layer and the second electrode.

Abstract: According to one embodiment, a light emitting element includes a first electrode, a second electrode, a light emitting layer, and a conductive section. The second electrode is provided opposite to the first electrode. The light emitting layer is provided between the first electrode and the second electrode. The second electrode includes a plurality of layers, and the plurality of layers include a first layer. The conductive section pierces the first layer in thickness direction. The conductive section includes a conductive material. Each of the plurality of layers includes at least one of Al, Al alloy, Ag, Ag alloy, alkali metals, and alkaline-earth metals and being different from one another.

Abstract: An organic electroluminescent device includes first and second electrode and an organic light emitting layer. The first electrode has an upper face. The organic light emitting layer is provided on the first electrode. The second electrode is provided on the organic light emitting layer. The second electrode includes a plurality of conductive parts. The conductive parts extend in a first direction parallel to the upper face and are arranged in a second direction. The second direction is parallel to the upper face and intersects with the first direction. When a length of each of the conductive parts in the second direction is set to W1 (micrometer), and a pitch of each of the conductive parts is set to P1 (micrometer). The W1 and the P1 satisfy a relationship of W1??647(1?W1/P1)+511 and a relationship of W1??882(1?W1/P1)+847.

Abstract: An organic electroluminescent device includes a first electrode, an insulating layer, an organic light emitting layer, and a second electrode. The insulating layer is provided on the first electrode. The insulating layer includes a first opening for exposing a part of the first electrode. The organic light emitting layer includes a first part and a second part. The first part is provided on the part of the first electrode. The second part is provided on the insulating layer. The second electrode is provided on the organic light emitting layer. The second electrode includes a conductive part and a plurality of second openings. The conductive part is disposed on at least a part of the first part. Each of the second openings exposes a part of the organic light emitting layer. The second electrode is light-reflective.

Abstract: An organic electroluminescent device includes a first electrode, an insulating layer, an organic light emitting layer, a second electrode, and a light transmissive part. The first electrode has an upper face. The insulating layer is provided on the upper face. The insulating layer includes first to fifth insulating parts. The organic light emitting layer is provided on the upper face in between the insulating parts. The second electrode is provided on the organic light emitting layer. The light transmissive part overlaps the first region of the first electrode when projected onto the plane. The light transmissive part makes a phase of a first light permeating the first region to be different from a phase of a second light permeating the second region of the first electrode.

Abstract: An organic electroluminescent device includes first and second substrates, first and second electrodes, an organic light emitting layer, and first and second terminal parts. The first substrate has an upper face including a device region and a periphery region surrounding the device region. The upper face is polygonal. The first electrode is provided on the device region. The organic light emitting layer is provided on the first electrode. The second electrode is provided on the organic light emitting layer. The second substrate is provided on the second electrode. The first terminal part is provided on the periphery region. The second terminal part is provided separated from the first terminal part on the periphery region. At least one of the first terminal part and the second terminal part extends along each of a plurality of sides of the upper face.

Abstract: An organic electroluminescent device includes first and second electrode and an organic light-emitting layer. The first electrode has an upper face. The organic light-emitting layer is provided on the upper face. The second electrode is provided on the organic light-emitting layer. The second electrode includes first and second extension parts. The first extension parts extend in a first direction and are arranged in a second direction. The second extension parts extend in the second direction and are arranged in the first direction. When a length of the first extension parts in the second direction is W1, a pitch of the first extension parts is P1, a length of the second extension parts in the first direction is W2, and a pitch of the second extension parts is P2. W1 and P1 satisfy a relationship of W1??750(1?W1/P1)(1?W2/P2)+675. W2 and P2 satisfy a relationship of W2???750(1?W1/P1)(1?W2/P2)+675.

Abstract: According to one embodiment, in an organic electroluminescence device, a first substrate has a first refractive index n1. A second substrate is joined to an upper surface of the first substrate and has a second refractive index n2 higher than the first refractive index n1. Multiple wedge-shaped metal lines are buried in the second substrate in such a manner that one side of the wedge-shaped metal line is flush with an upper surface of the second substrate. A transparent electrode is formed on the upper surface of the second substrate and the multiple metal lines. An insulating layer is formed on a portion of the transparent electrode opposed to the multiple metal lines. An organic light emitting layer is formed on the transparent electrode on which the insulating layer is formed. A metal electrode is formed on the organic light emitting layer.

Abstract: According to one embodiment, there is provided a compound represented by Formula (1): where Cu+ represents a copper ion, each of R1 and R2 represents a linear, branched or cyclic alkyl group or an aromatic cyclic group which may have a substituent, each of R3, R4, R5 and R6 represents a halogen atom, a cyano group, a nitro group, a linear, branched or cyclic alkyl group or H, and X? represents a counter ion where X is selected from the group consisting of F, Cl, Br, I, BF4, PF6, CH3CO2, CF3CO2, CF3SO3 and ClO4.

Abstract: In general, according to one embodiment, an illumination device includes a light emitting unit, a connection unit, a containing unit, and a second sealing unit. The light emitting unit includes a first substrate, a second substrate, an organic electroluminescent element, and a first sealing unit. The organic electroluminescent element is provided between the first substrate and the second substrate. The first sealing unit seals circumferential edge portions between the first substrate and the second substrate. The connection unit supplies power to the organic electroluminescent element. The containing unit has a space being airtight in an interior of the containing unit. The containing unit contains the light emitting unit inside the space. The second sealing unit is provided in the containing unit. The second sealing unit seals between a portion of the unit extending outside the containing unit and the containing unit.

Abstract: According to one embodiment, an organic electroluminescent device includes a first substrate, a second substrate, a stacked body, and an intermediate layer. The first substrate has a first major surface. The second substrate has a second major surface and a third major surface. The second major surface is facing the first major surface. The third major surface has a first concave-convex portion. The third major surface is provided opposite the second major surface. The stacked body provided between the first substrate and the second substrate. The stacked body includes a first electrode, a second electrode, and an organic light emitting layer. The intermediate layer is provided between the second substrate and the stacked body.