Abstract: A light emission display panel has a substrate, a plurality of first electrodes on the substrate, a light emission layer on the first electrodes, and a plurality of second electrodes. Each of the second electrodes has a form of a strip film in which partially overlapped portions are provided.

Abstract: An organic EL cell for preventing moisture that deteriorates the light-emitting characteristics of the organic EL cell including a substrate, a laminate structure formed on the substrate, wherein the laminate structure includes at least an anode, an organic light emitting layer, and a cathode, a first sealing film formed on the laminate structure, and a second sealing film formed on the first sealing film.

Abstract: An organic electroluminescence element has an anode, a hole transport layer, a light emitting layer made of organic compounds, an electron transport layer and a cathode. The light emitting layer comprises an organic host material having an electron transport capability and an organic guest material of phosphorescent material. An ionization potential energy of the organic host material is higher than that of the hole transport layer. The difference in the ionization potential energy between the organic host material of the light emitting layer and the hole transport layer is in a range from 0.4 eV to 0.8 eV.

Abstract: A layered wiring line of silver or silver alloy includes a silver or silver alloy conductor layer including silver or silver alloy; and a protective conductor layer layered on and covering the silver or silver alloy conductor layer. A method for forming the layered wiring line includes steps of: layering the silver or silver alloy conductor layer and the protective conductor layer on a substrate in turn; making the protective conductor layer in contact with a liquid etchant common to the silver or silver alloy conductor layer and the protective conductor layer by a predetermined pattern. The protective conductor layer has a thickness satisfying a relationship in that a ratio of (the protective conductor layer's thickness)/(the silver or silver alloy conductor layer's thickness) is less than that of (a solution velocity of the protective conductor layer in the liquid etchant)/(a solution velocity of the silver or silver alloy conductor layer in the liquid etchant).

Abstract: A luminescent display device comprises a resin substrate having one and another surfaces, and a transparent electrode, a metal auxiliary electrode disposed to be conductive to the transparent electrode and a luminescent layer composed of an organic compound so that the transparent electrode, the auxiliary electrode and the luminescent layer are laminated in form of layers on the one surface of the resin substrate. The auxiliary electrode has a total stress of {(inner stress)×(film thickness thereof)} of not more than 1.3×105 dyn/cm.

Abstract: An organic electroluminescence element includes a substrate carrying a transparent electrode; a plurality of organic functional layers including an organic light-emitting layer deposited on the transparent electrode; and a metal electrode over the organic functional layers. A part of the organic functional layers covering any foreign body is melted, regardless of whether or not the foreign body has been on the transparent electrode so that the melted part of the organic functional layer on the foreign body is merged into the organic functional layer stacked on the transparent electrode around the foreign body, so as to enclose the solid foreign body in the organic functional layer.

Abstract: The present invention relates to an organic EL light emitting element that can suppress deterioration of a light emitting layer and can provide a high light-emission intensity. This organic EL light emitting element includes a light emitting part and a rectifier part connected in series to the light emitting part. Both of the light emitting and rectifier parts include organic thin layers. The electrostatic capacity of the rectifier part is smaller than that of the light emitting part.

Abstract: A method is provided for driving a luminescent display which includes a plurality of luminescent units adapted to be selected for light emission, so as to display an image. This method is characterized in that during a predetermined period, a reverse voltage having a direction opposite to that of a voltage to be applied for light emission of a luminescent unit, is applied to each luminescent unit.

Abstract: A light emission display panel has a substrate, a plurality of first electrodes on the substrate, a light emission layer on the first electrodes, and a plurality of second electrodes. Each of the second electrodes has a form of a strip film in which partially overlapped portions are provided.

Abstract: An organic electroluminescence element includes a substrate carrying a transparent electrode; a plurality of organic functional layers including an organic light-emitting layer deposited on the transparent electrode; and a metal electrode over the organic functional layers. A part of the organic functional layers covering any foreign body is melted, regardless of whether or not the foreign body has been on the transparent electrode so that the melted part of the organic functional layer on the foreign body is merged into the organic functional layer stacked on the transparent electrode around the foreign body, so as to enclose the solid foreign body in the organic functional layer.

Abstract: An organic electroluminescence element includes a substrate carrying a transparent electrode; a plurality of organic functional layers including an organic light-emitting layer deposited on the transparent electrode; and a metal electrode over the organic functional layers. A part of the organic functional layers covering any foreign body is melted, regardless of whether or not the foreign body has been on the transparent electrode so that the melted part of the organic functional layer on the foreign body is merged into the organic functional layer stacked on the transparent electrode around the foreign body, so as to enclose the solid foreign body in the organic functional layer.

Abstract: An organic EL full color display panel includes a plurality of transparent electrode lines formed in parallel on a base plate; an insulating layer formed on the base plate, the insulating layer covering respective edges of the transparent electrode lines and having openings formed correspondingly to pixel regions on the transparent electrode lines; at least one organic EL material layer formed so as to correspond to the pixel regions and having any light-emitting function of R, G and B, and a plurality of metallic electrode lines arranged in parallel perpendicularly to the transparent electrode lines, each of the metallic electrode entirely covering the pixel regions of the three pixels of R, G and B. The insulating layer insulates the transparent electrode lines and metallic electrode lines from each other in other regions than the pixel regions. In this configuration, the organic full color display panel can emit a specified color surely at low cost.

Abstract: A light emitting element capable of suppressing the deterioration of an organic thin film layer as light emitting layers is provided. The light emitting element comprises a light emitting body emitting light by impressing voltage and a rectifier connected in series with the light emitting body, the light emitting body contains the NPB thin film layer, and the rectifier has the NPB thin film layer.

Abstract: A method for manufacturing an organic EL display panel includes; forming first display electrodes corresponding to emitting portions and bonding pads arranged at a periphery of an image-region as a patterning step; forming electrically insulative ramparts for exposing at least portions of the first display electrodes and protruding from the substrate as a rampart formation step, the each electrically insulative rampart having an overhanging portion projecting in a direction parallel to the substrate preferably at an upper and further having extensions each extending between the adjacent bonding pads to isolate the adjacent bonding pads each other and define a bonding-region between the adjacent extensions on each the bonding pad; depositing organic electroluminescent media onto exposed portions of the first display electrodes respectively, thereby forming organic function layers each including at least one organic electroluminescent medium on the first display electrodes; and forming second display electrodes

Abstract: An organic electroluminescent display panel having a plurality of emitting portions includes; a substrate (2) on which a plurality of first display electrodes (3) corresponding to emitting portions are formed; electrical insulation ramparts (7) projecting from the substrate for exposing at least portions of the first display electrodes respectively; organic function layers (8) each including at least one organic electroluminescent medium formed on exposed portions of the first display electrodes; second display electrodes (8) formed on the organic function layers; and each electrical insulation rampart having an overhanging portion (7a) projecting in a direction parallel to substrate. The cathodes are patterned automatically without use of the photolithography.

Abstract: A method for manufacturing an organic electroluminescent display device including one or more organic electroluminescent elements arranged on a light-permeable substrate, each element having a cathode, an emitting layer made of one or more organic substances and an anode is capable of forming, at a high accuracy, an emitting layer with various patterns.

Abstract: A method for forming a resonator in a semiconductor laser device comprises the steps of; filling with a resin a gap surrounding the side surfaces of the waveguide for a resonator other than the end-surface to be polished; polishing the end-surface and the resin surrounding it; forming a predetermined optical coating on the polished end-surface and the resin in the state of the laser waveguide and the electrode being embedded; and removing the embedding resin. Both the bending of polished end-surfaces and the entering of the thin film into the side surface of the laser waveguide is prevented so that a high smooth end-surface of mirror coating for resonator is achieved. Furthermore, any crystals are used for a substrate carrying a semiconductor laser structure with a resonator even if that crystal is of non-cleavage, according to that method.

Abstract: A method for manufacturing an organic EL display panel having a plurality of emitting portions surrounded by ramparts and arranged as a matrix.

Abstract: An organic electroluminescent display panel having a plurality of emitting portions includes; a substrate on which a plurality of first display electrodes corresponding to emitting portions are formed; electrical insulation ramparts projecting from the substrate for exposing at least portions of the first display electrodes respectively; organic function layers each including at least one organic electroluminescent medium formed on exposed portions of the first display electrodes; second display electrodes formed on the organic function layers; and each electrical insulation rampart having an overhanging portion projecting in a direction parallel to the substrate. The cathodes are patterned automatically without use of the photolithography.

Abstract: A wavelength converting element comprises; an X or Y-out substrate made of lithium tantalate crystal or lithium niobate crystal having a major surface containing a Z-axis of the crystal; polarization inversion layers formed the major surface each extending in the Z-axis and treated by applying an electric field of direct current to the substrate wherein the electric field of direct current contains a field component toward an inverse direction of the Z-axis intersecting at an angle of .theta. in a range of 0.degree.<.theta.<90.degree.