Abstract: Disclosed are an organic EL lighting panel substrate and associated manufacturing method that can improve the manufacturing efficiency of an organic EL lighting panel substrate to reduce the cost and can achieve an organic EL lighting panel of excellent yield and reliability. The organic EL lighting panel substrate includes: a translucent substrate; a transparent electrode; and an auxiliary electrode. The transparent electrode is arranged on a surface of the translucent substrate and the auxiliary electrode is electrically connected to the transparent electrode. The organic EL lighting panel substrate further includes: an insulating layer at the position corresponding to an electrode lead-out part of an upper electrode of an organic EL layer that forms an organic EL lighting panel, the upper electrode being provided above the translucent substrate in such a manner as to face the transparent electrode; and a conductive layer between the translucent substrate and the insulating layer.

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: The present invention aims to provide an organic EL panel control device, a light source device, and an organic EL panel control method, capable of inhibiting the change (shift) in color temperature of white light produced by an organic EL panel to be controlled. The organic EL panel control device according to the present invention includes a luminance control unit. The luminance control unit controls, among a plurality of organic EL elements with different emission colors in an organic EL panel to be controlled, luminances of organic EL elements other than a reference organic EL element having a shortest luminance life in such a manner that, with reference to a luminance of the reference organic EL element, white light produced by additive color mixture of different colors of light emitted from the plurality of organic EL elements has the same color temperature as a previously set color temperature.

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 a method for repairing an organic EL element and a method for manufacturing an organic EL panel that can reduce a production cycle time. A method for repairing an organic EL element includes an application step of repeatedly applying a pulse voltage having ON-period and OFF-period to an organic EL element. In the application step, the pulse voltage is a forward voltage or a reverse voltage, and the ON-period is equal to or longer than a time constant that is the product of an element capacity of the organic EL element and a wiring resistance including the element.

Abstract: A light emitting element circuit includes a light emitting element (1), a current supply path to the light emitting element (1), a constant current circuit (2) that supplies a current to the light emitting element (1) via the current supply path, and an electric discharge path that discharges an electric charge accumulated at the light emitting element (1) and at a region connected between the both electrodes when the constant current circuit (2) stops a current supply to the light emitting element (1). A light emitting element failure detector (4) that detects a short-circuit of the light emitting element (1) in a light emitting element circuit includes a current instantaneous interruption circuit (5), a voltage detector (60), and a determiner (62).

Abstract: Disclosed is an organic EL panel translucent substrate that can prevent or reduce the color gap/coloring of an organic EL panel. In order to achieve the above object, organic EL panel translucent substrate 201 is formed of resins 203 and 204 and is substantially optically isotropic in its in-plane direction and thickness direction.

Abstract: The present invention is to provide an organic electroluminescent lighting device that can reduce the occurrence of short-circuiting caused by inrush current. The organic electroluminescent lighting device includes: transparent substrate 1; positive electrode film 2 that is formed on the surface of transparent substrate 1 and includes terminal 2a formed at one end or both ends and electrode 2b formed continuously from terminal 2a; negative electrode terminal film 3 that is formed separate from positive electrode film 2 on the surface of transparent substrate 1 and includes first resistive region 7; organic light emitting film 4 formed on the surface of electrode 2b of positive electrode film 2; and negative electrode film 5 continuously formed from the surface of organic light emitting film 4 to the surface of negative electrode terminal film 3.

Abstract: A light emitting element failure detector (4) includes a light emitting element (1), a constant current circuit (2) which supplies an electric current to the light emitting element (1), and an electric discharge path which discharges an electric charge such as the light emitting element (1). A light emitting element failure detector (4) further includes an instantaneous current interruption circuit (5) which instantaneously interrupts an electric current to the light emitting element (1) by a current supply path different from the electric discharge path, a diode (60), a DC power supply (61), and a current detector (62). The DC power supply (61) generates a direct-current reference voltage having a positive value lower than a voltage between the anode and cathode of the light emitting element (1) in a normal state. The DC power supply (61), the diode (60), and the current detector (62) which are connected in series constitute a parallel electric path of the light emitting element (1).

Abstract: To provide a transparent resin layer for use in an organic EL panel, capable of solving a problem with light extraction efficiency caused by the wavelength dependency (wavelength dispersion) of the refractive index of light. A transparent resin layer 12 for use in an organic EL panel includes: a transparent resin 121; and first fine particles 122 having an average particle diameter from 300 to 50000 nm and second fine particles 123 having an average particle diameter from 1 to 300 nm dispersed in the transparent resin 121, and the fine particles have a function as at least either a light scattering material or a light-dispersing material.

Abstract: Disclosed is an organic EL lighting panel substrate that can improve the uniformity in luminance and chromaticity in an organic EL lighting panel plane and can suppress deterioration in reliability due to disconnection and the like caused by an auxiliary electrode. The organic EL lighting panel substrate (10) includes: a light-transmitting substrate (11); and a transparent electrode (12). The transparent electrode (12) is arranged on one surface of the light-transmitting substrate (11). The organic EL lighting panel substrate (10) further includes an auxiliary electrode (13) electrically connected to the transparent electrode (12). The light-transmitting substrate (11) has a groove (11c), and the auxiliary electrode (13) is arranged in the groove (11c) of the light-transmitting substrate (11). The auxiliary electrode (13) is formed of a material having a volume resistivity at 20° C. in the range from 1.59×10?8 to 13×10?8 ?·m.

Abstract: Provided is an organic EL illumination panel substrate, and a manufacturing method therefor, that improves the manufacturing efficiency and reduces the cost for an organic EL illumination panel substrate and that is capable of achieving an organic EL illumination panel with superior yields and reliability. The organic EL illumination panel substrate has a light transmitting substrate (11), a transparent electrode (12) and an auxiliary electrode (13). The transparent electrode (12) is arranged on one face of the light transmitting substrate (11). The auxiliary electrode (13) is electrically connected to the transparent electrode (12). On the light transmitting substrate (11), there is an insulating layer (14) at a position corresponding to an electrode lead-out section for an upper electrode of an organic EL layer that is disposed facing the transparent electrode (12) and that constitutes the organic EL illumination panel.

Abstract: An organic EL light emitting device includes a transparent substrate, a transparent electrode film formed on the substrate, a positive electrode contact portion in contact with a part of the transparent electrode film and electrically connected therewith, an insulating layer formed on the transparent electrode film such that the an insulating layer covers a portion excluding a light emitting part, an organic light emitting layer formed on the transparent electrode film and on the insulating layer, a negative electrode film formed on the organic light emitting layer, a negative electrode contact portion in contact with at least a part of the negative electrode film and electrically connected therewith, and a protective layer for separating and electrically insulating the positive electrode contact portion and the transparent electrode film from the negative electrode contact portion.

Abstract: An organic EL luminescent device (1) includes: organic EL panels of no smaller than 2 (10, 11) including a light-transmitting organic EL panel (10, 11), the light-transmitting organic EL panel having a first electrode (32), formed on a transparent substrate (31), having optical transparency, an organic layer (33), formed on the first electrode (32), having a light emitting layer and a second electrode (35), formed on the organic layer (33), having optical transparency; and a support (21) to support the no-smaller-than-2 organic EL panels in a manner overlapping each other.

Abstract: An organic EL light emitting device includes a transparent substrate, a transparent electrode film formed on the substrate, a positive electrode contact portion in contact with a part of the transparent electrode film and electrically connected therewith, an insulating layer formed on the transparent electrode film such that the an insulating layer covers a portion excluding a light emitting part, an organic light emitting layer formed on the transparent electrode film and on the insulating layer, a negative electrode film formed on the organic light emitting layer, a negative electrode contact portion in contact with at least a part of the negative electrode film and electrically connected therewith, and a protective layer for separating and electrically insulating the positive electrode contact portion and the transparent electrode film from the negative electrode contact portion.

Abstract: A collecting/recycling system includes: information collecting section 10 that obtains a status of the organic EL panel used in a market; information processing section 20 that processes and stores, as collection/recycling information, information about a reutilizable member, part, and material of the organic EL panel; collection/recycling predicting section 30 that predicts the timing and quantity of the reutilizable member, part, and material of the organic EL panel, whose the status has been obtained by information collecting section 10, to be distributed to a recycling step based on the collection/recycling information stored in information processing section 20; and production plan setting section 40 that sets a production plan of a recycled organic EL panel using the reutilizable member/part/material based on the timing and quantity predicted by collection/recycling predicting section 30.

Abstract: An organic EL light emitting device includes a transparent substrate, a transparent electrode film formed on the substrate, a positive electrode contact portion in contact with a part of the transparent electrode film and electrically connected therewith, an insulating layer formed on the transparent electrode film such that the an insulating layer covers a portion excluding a light emitting part, an organic light emitting layer formed on the transparent electrode film and on the insulating layer, a negative electrode film formed on the organic light emitting layer, a negative electrode contact portion in contact with at least a part of the negative electrode film and electrically connected therewith, and a protective layer for separating and electrically insulating the positive electrode contact portion and the transparent electrode film from the negative electrode contact portion.

Abstract: An organic EL luminescent device (1) includes: organic EL panels of no smaller than 2 (10, 11) including a light-transmitting organic EL panel (10, 11), the light-transmitting organic EL panel having a first electrode (32), formed on a transparent substrate (31), having optical transparency, an organic layer (33), formed on the first electrode (32), having a light emitting layer and a second electrode (35), formed on the organic layer (33), having optical transparency; and a support (21) to support the no-smaller-than-2 organic EL panels in a manner each other.

Abstract: Anodes of a plurality of organic EL elements are connected together. A forward bias voltage relative to the potential of anodes and a reverse bias voltage are alternately applied to cathodes of the plurality of organic EL elements at a predetermined period. The ratio of the time for which the reverse bias voltage is applied and the time for which the forward bias voltage is applied is increased.

Abstract: Disclosed are an organic electroluminescent element with a light-transmitting electrode having reduced resistivity and emitting a uniform amount of light from the surface, and an associated lighting device. The organic EL element includes: a light-transmitting electrode layer provided on a light-transmitting substrate; an electrode layer forming a pair with the light-transmitting electrode layer; an organic layer between the electrode layers, containing an organic electroluminescent substance; a light-blocking auxiliary electrode formed on the light-transmitting electrode layer in contact with a part of the light-transmitting electrode layer; and an insulating coating film covering the auxiliary electrode. The auxiliary electrode has a low resistivity layer formed from a low resistivity material with a low specific resistance relative to the light-transmitting electrode layer and a coating layer formed from a high melting point material with a higher melting point than the low resistivity material.