Abstract: A biological condition diagnosis system includes, at least: an obtainer, a receiver, a preprocessor, a processor, and a diagnoser, for biological data. The obtainer obtains the biological data by a reflective photoelectric plethysmography sensor. The preprocessor optimally preprocesses the obtained biological data. The processor extracts a feature point from the preprocessed data. The diagnoser diagnoses a biological condition using machine learning, based on the extracted biological data.

Abstract: Disclosed is a reflective photoplethysmogram sensor comprising: a planar light emitting element and a planar light receiving element. The light emitting element and the light receiving element do not face each other in an up/down direction. The minimum distance h (mm) between at least a pair of the light emitting element and the light receiving element satisfies the following expression (1) (t×03.7)2?h?(t×1.3)2 ??Expression (1) where the minimum distance between the light emitting element and the light receiving element is h (mm), and a thickness of skin (epidermis+dermis) of a human body is t (mm), and the thickness is within the range 0.1 to 4 mm.

Abstract: Provided is an organic electro-luminescence emission device wherein a color adjustment layer causes the chroma C* of transmitted light from the organic electro-luminescence emission device when not emitting light to be less than that of transmitted light from an organic electro-luminescence emission device not having a color adjustment layer when not emitting light, thus allowing the chroma of the transmitted light at non-emitting time to approach 0.

Abstract: An object of the present invention is to provide a transparent organic electroluminescence element in which durability is excellent, a transparent lead-out electrode of low resistance is provided, and there is no uncomfortable feeling in visibility of the entire element. The transparent organic electroluminescence element according to the present invention is a transparent organic electroluminescence element including: at least an organic electroluminescence element portion and a lead-out electrode portion, in which two-sided light emission is capable of being performed, wherein a total light transmittance (%) of the lead-out electrode portion in a visible light range is in a range of 90% to 110%, with respect to a total light transmittance (%) of the organic electroluminescence element portion in a visible light range at the time of non-light emission.

Abstract: An object of the present invention is to provide a transparent organic electroluminescence element in which durability is excellent, a transparent lead-out electrode of low resistance is provided, and there is no uncomfortable feeling in visibility of the entire element. The transparent organic electroluminescence element according to the present invention is a transparent organic electroluminescence element including: at least an organic electroluminescence element portion and a lead-out electrode portion, in which two-sided light emission is capable of being performed, wherein a total light transmittance (%) of the lead-out electrode portion in a visible light range is in a range of 90% to 110%, with respect to a total light transmittance (%) of the organic electroluminescence element portion in a visible light range at the time of non-light emission.

Abstract: An object of the present invention is to provide an organic EL device having a high light transmittance and a small difference in light transmittance between a light emitting region and a non-light emitting region.

Abstract: An organic EL element includes a gas barrier film including: a resin base material; a light scattering layer provided on the resin base material; a smoothing layer provided on the light scattering layer; and a gas barrier layer provided on the smoothing layer, wherein the arithmetic average roughness (Ra) of the surface of the gas barrier layer is from 0 nm to 3 nm, and the average of the diameters in the planar direction of the convexities formed on the surface of the gas barrier layer is 50 nm or larger.

Abstract: Disclosed is an organic electroluminescence element that can provide uniform light emission over the entire surface and also can reduce the risk of short circuit and leakage. An organic electroluminescence element 10 according to the present invention includes a substrate 1, a first electrode 2, a second electrode 5, an organic layer 4 including a light-emitting layer, and an auxiliary wiring layer 3. The first electrode 2, the organic layer 4, and the second electrode 5 are laminated on one surface of the substrate 1 in this order. The organic layer 4 is connected electrically to both the electrodes. The auxiliary wiring layer 3 is arranged at a position where the auxiliary wiring layer 3 is not in contact with the organic layer 4. The auxiliary wiring layer 3 is connected electrically to the second electrode 5 and is not in contact with the first electrode 2.

Abstract: Provided is an image-capturing device that reduces the effect of direct incident light on an image-capturing element and allows a high contrast image to be obtained. An image-capturing device includes: an image-capturing element; a light emitting element; and an image data correction unit, wherein the light emitting element irradiates a subject with light, the image-capturing element senses the light reflected by the subject and generates an image data, and the image data correction unit corrects the image data by subtracting incident light directly entered into the image-capturing element from the light emitting element without being reflected by the subject from the image data.

Abstract: The present invention provides an image-capturing device that reduces the effect of direct incident light on an image-capturing element and allows a high contrast image to be obtained. The present invention provides an image-capturing device including: an image-capturing element 11; a light emitting element 13; and an image data correction unit, wherein the light emitting element 13 irradiates a subject 14 with light, the image-capturing element 11 senses the light 16 reflected by the subject 14 and generates an image data, and the image data correction unit corrects the image data by subtracting incident light 15 directly entered into the image-capturing element 11 from the light emitting element 13 without being reflected by the subject 14 from the image data.

Abstract: Disclosed is an organic electroluminescence element that can provide uniform light emission over the entire surface and also can reduce the risk of short circuit and leakage. An organic electroluminescence element 10 according to the present invention includes a substrate 1, a first electrode 2, a second electrode 5, an organic layer 4 including a light-emitting layer, and an auxiliary wiring layer 3. The first electrode 2, the organic layer 4, and the second electrode 5 are laminated on one surface of the substrate 1 in this order. The organic layer 4 is connected electrically to both the electrodes. The auxiliary wiring layer 3 is arranged at a position where the auxiliary wiring layer 3 is not in contact with the organic layer 4. The auxiliary wiring layer 3 is connected electrically to the second electrode 5 and is not in contact with the first electrode 2.

Abstract: A light emitting device comprises a light emitting element disposed within a space surrounded by a reflective surface of a reflector disposed on a board. A lower portion of the reflector is placed within a recess formed in the board, and a side wall of the recess is interposed between the lower end of the reflective surface of the reflector and the light emitting element.

Abstract: A light emitting device comprises a light emitting element disposed within a space surrounded by a reflective surface of a reflector disposed on a board. A lower portion of the reflector is placed within a recess formed in the board, and a side wall of the recess is interposed between the lower end of the reflective surface of the reflector and the light emitting element.

Abstract: A surface light-emitting element radiates light emitted to a side of a surface light-emitting device. The surface light-emitting device includes: a polygonal transparent substrate, and a light-emitting element disposed on one face of the transparent substrate. The light-emitting element is a laminated body including a transparent electrode which is positively charged and functions as an anode, a negative electrode which becomes negatively charged and functions as a cathode opposite the transparent electrode, and a light-emitting layer between the transparent electrode and a negative electrode. Lengths of respective sides and a thickness of the transparent substrate have a relationship that if b denotes the thickness of transparent substrate, dividing the lengths of the respective sides by 4b results in values ranging from 0.5 (inclusive) to 10 (inclusive).

Abstract: A translucent material substrate is shaped such that high luminous efficiency can be obtained in an organic EL light source in which light is emitted from a translucent material substrate to the atmosphere. The organic EL light source includes a luminescent layer composed of an organic luminescent element, a transparent electrode and a counter electrode, and a translucent material substrate. The translucent material substrate has a truncated quadrangular pyramidal shape having a surface in abutment with the luminescent layer as the bottom face of the shape. The bottom face is formed in the shape of a square in which the length of one side is “b”, and the top face opposite the bottom face is formed in the shape of a square in which the length of one side with respect to the same extending direction as that of the “b”-length side is “a”. In addition, the shape of the translucent material substrate has thickness “c”.

Abstract: A surface light-emitting element and a surface light-emitting device using the surface light-emitting element are provided, the surface light-emitting element being capable of radiating light emitted from the surface light-emitting element to the side of the surface light-emitting device. The surface light-emitting device according to the present invention includes: polygonal transparent substrate 1; and light-emitting element 7 disposed on one face of transparent substrate 1, light-emitting element 7 being a laminated body including transparent electrode 2 which is positively charged and function as an anode, a negative electrode 6 which become negatively charged and function as a cathode opposite transparent electrode 2, and light-emitting layer 4 sandwiched between transparent electrode 2 and negative electrode 6.

Abstract: A translucent material substrate is shaped such that high luminous efficiency can be obtained in an organic EL light source in which light is emitted from a translucent material substrate to the atmosphere. The organic EL light source includes a luminescent layer composed of an organic luminescent element, a transparent electrode and a counter electrode, and a translucent material substrate. The translucent material substrate has a truncated quadrangular pyramidal shape having a surface in abutment with the luminescent layer as the bottom face of the shape. The bottom face is formed in the shape of a square in which the length of one side is “b”, and the top face opposite the bottom face is formed in the shape of a square in which the length of one side with respect to the same extending direction as that of the “b”-length side is “a”. In addition, the shape of the translucent material substrate has thickness “c”.

Abstract: A light emitting device comprises a light emitting element disposed within a space surrounded by a reflective surface of a reflector disposed on a board. A lower portion of the reflector is placed within a recess formed in the board, and a side wall of the recess is interposed between the lower end of the reflective surface of the reflector and the light emitting element.

Abstract: A light emitting device according to the present invention comprises board 2 having electrode 3b formed on the surface thereof, light emitting element 1 mounted on the surface of board 2, wire 4 for electrically connecting light emitting element 1 with electrode 3b, and reflector 11b formed on the surface of electrode 3b. Reflector 11b covers a connection between wire 4 and electrode 3b.

Abstract: The present invention aims to realize a technique to make precise chromaticity changes over a wide range in an LED illumination apparatus based on a white LED light, and comprises a first LED; a package for accommodating said first LED; a transparent medium for filling said package, said transparent medium containing a fluorophore which generates a white light when said first LED emits light; and a plurality of LEDs, wherein said first LED and the plurality of LEDs respectively have different dominant wavelengths.