Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.

Abstract: A method of manufacturing an organic electroluminescent display device of the invention includes the steps of: forming, on a mother substrate including display regions and terminal forming regions, an upper electrode in each of the display regions; and cutting the mother substrate along each border between the display regions to thereby divide the mother substrate into a plurality of individual pieces. The step of forming the upper electrode includes the step of depositing a material of the upper electrode in the display regions using a mask including a frame-shaped frame and stripe-shaped shielding portions that cover regions corresponding to the terminal forming regions. The shielding portion is fixed in a state where the shielding portion spans between facing sides of the frame and tension in one direction is applied, and extends only in the one direction inside an inner periphery of the frame in a plan view.

Abstract: A method of manufacturing a display device includes preparing a multilayout display panel which has a structure of a first substrate and a second substrate which are bonded to each other and is able to be cut into a plurality of products, scribing the first substrate, bending and breaking the scribed first substrate, performing thinning on the second substrate and the broken first substrate by chemical polishing, scribing the second substrate which is subjected to chemical polishing, and bending and breaking the scribed second substrate.

Abstract: A display device which can be produced at reduced material cost and has a smaller peripheral frame area, and a method for producing the same, are provided. A display device includes a first substrate including a display area, which includes an organic EL light emitting layer; a second substrate located so as to face the first substrate; a dam member located along, and outside with respect to, a part of an outer edge of the display area, the dam member joining the first substrate and the second substrate to each other; and a filler filling a space between the first substrate and the second substrate while being in contact with the dam member.

Abstract: In an organic EL display device, a resistance of a cathode electrode of OLEDs is substantially reduced while maintaining a higher opening ratio of pixels as an entire display area. A reference power supply line is formed on a glass substrate, and receives a reference potential for driving the OLED. The OLED is formed on the glass substrate where the reference power supply line is formed, and has a structure in which a lower electrode, an organic material layer, and an upper electrode that is a cathode electrode common to plural pixels are laminated on each other in the order from the bottom. In some of the plural pixels, a cathode contact that penetrates through the organic material layer, and electrically connects the upper electrode to the reference power supply line is formed within an opening area corresponding to a W sub-pixel.

Abstract: An organic EL display device includes a first organic layer that is arranged between lower electrodes and an upper electrode, and formed of a plurality of layers including a light emitting layer, a laminated auxiliary line that has a first auxiliary line and a second auxiliary line, and laminated on each other in order, and extend in one direction between two of pixels adjoining each other, and a second organic layer that is formed of a plurality of the same layers as the first organic layer, and arranged in contact with the first auxiliary line in a connection hole opened in the second auxiliary line so as to come out of contact with the first organic layer, in which the upper electrode is arranged in contact with the first auxiliary line around the second organic layer so as to embed the connection hole.

Abstract: A method of manufacturing an organic electroluminescent display device of the invention includes the steps of: forming, on a mother substrate including display regions and terminal forming regions, an upper electrode in each of the display regions; and cutting the mother substrate along each border between the display regions to thereby divide the mother substrate into a plurality of individual pieces. The step of forming the upper electrode includes the step of depositing a material of the upper electrode in the display regions using a mask including a frame-shaped frame and stripe-shaped shielding portions that cover regions corresponding to the terminal forming regions. The shielding portion is fixed in a state where the shielding portion spans between facing sides of the frame and tension in one direction is applied, and extends only in the one direction inside an inner periphery of the frame in a plan view.

Abstract: A display device which can be produced at reduced material cost and has a smaller peripheral frame area, and a method for producing the same, are provided. A display device includes a first substrate including a display area, which includes an organic EL light emitting layer; a second substrate located so as to face the first substrate; a dam member located along, and outside with respect to, a part of an outer edge of the display area, the dam member joining the first substrate and the second substrate to each other; and a filler filling a space between the first substrate and the second substrate while being in contact with the dam member.

Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.

Abstract: A method of manufacturing an organic electroluminescent display device includes the steps of: forming transistors on an element substrate; and forming organic electroluminescent light emitting elements on the respective transistors, in which the step of forming the organic electroluminescent light emitting elements includes the steps of: forming anodes in correspondence with pixels; forming a polymer organic layer made of a polymer material by attaching the polymer material onto upper surfaces and end surfaces of the anodes; forming an organic layer having at least a light emitting layer on the polymer organic layer; and forming a cathode on the organic layer.

Abstract: An organic electroluminescence display device wherein the wiring width is made large enough to secure a current capacity for the power supply line and at the same time high luminance is achieved by increasing the aperture rate is to be realized. The device has lower electrodes formed over the main face of a transparent substrate, a plurality of organic electroluminescence elements each stacked over one or another of the lower electrodes and emitting light of a prescribed color, and an upper electrode formed as a film covering the plurality of organic electroluminescence layers in common, and this upper electrode is reflective and the luminescence from the organic electroluminescence elements is emitted from the transparent substrate side.

Abstract: An organic electroluminescence (EL) display device wherein pixel defects are reduced with a minimum increase in the number of thin film transistors used is to be provided.

Abstract: An aperture LAR of a light-emitting portion is changed in diameter (size) from the center portion of a screen to the peripheral portion thereof. In this manner, any displacement observed between the aperture LAR and a vapor deposition region VAR of an organic EL material is controlled. The aperture LAR is preferably larger in size at the center portion of the screen, and smaller in the peripheral portion thereof. As such, a light-emitting layer is vapor-deposited on a substrate correctly for every pixel so that a high-quality self-emitting display including organic EL display can de derived.

Abstract: In an organic electroluminescent display device having light emitting layers which are independently controlled and emit light formed in respective pixel regions on a principal surface of a substrate and emitting light from each of the light emitting layer through the substrate, the present invention arranges a light shielding member on an end wall face of the substrate and prevents the light from leaking from the end wall face thereof.

Abstract: An organic EL display device having a long lifetime is provided. The light emitting device includes at least one organic compound layer between a pair of electrodes, and the content of an impurity generated from an organic compound in the at least one organic compound layer is 10 ng/cm2 or less in terms of hexadecane or the number of impurities generated from the organic compound is 10 or less.

Abstract: The present invention provides a display device which can realize the positioning with high accuracy in mounting a display panel to a casing. Further, the present invention provides a display device which can simplify the mounting structure of a display panel and can mount and fix the display panel to a casing easily and with high accuracy. A pair of mounting holes are formed in both ends of a peripheral portion along one side of an OLED panel which performs an image display. By allowing fixing members to pass through the pair of mounting holes, the OLED panel per se becomes the mounting reference and is positioned with respect to the casing with high accuracy. Further, by forming notched portions on another side of the OLED panel which faces one side of the OLED panel in an opposed manner, the OLED panel is supported on a plurality of points and hence, the OLED panel is positioned and fixed with high accuracy.

Abstract: An organic electroluminescence (EL) display device wherein pixel defects are reduced with a minimum increase in the number of thin film transistors used is to be provided.

Abstract: An organic electroluminescence display device wherein the wiring width is made large enough to secure a current capacity for the power supply line and at the same time high luminance is achieved by increasing the aperture rate is to be realized. The device has lower electrodes formed over the main face of a transparent substrate, a plurality of organic electroluminescence elements each stacked over one or another of the lower electrodes and emitting light of a prescribed color, and an upper electrode formed as a film covering the plurality of organic electroluminescence layers in common, and this upper electrode is reflective and the luminescence from the organic electroluminescence elements is emitted from the transparent substrate side.

Abstract: An organic electroluminescence display device with high luminescence and high display quality comprises a plurality of active elements, and a plurality of organic electroluminescence elements which produce luminescence through control by the active elements, on a substrate; wherein the organic electroluminescence element has a structure in which a lower electrode, an organic layer, and an upper electrode CD are laminated in this order from the substrate side; the upper electrode CD of the plurality of organic electroluminescence elements is formed as an electrode common to all the organic electroluminescence elements; an electrode is prepared between the upper electrode CD and the organic layer; and the sheet resistance between two points on the upper electrode CD which sandwich the electrode is lower than that between two points which do not sandwich the metal electrode.

Abstract: The present invention provides a display device which can realize the positioning with high accuracy in mounting a display panel to a casing. Further, the present invention provides a display device which can simplify the mounting structure of a display panel and can mount and fix the display panel to a casing easily and with high accuracy. A pair of mounting holes are formed in both ends of a peripheral portion along one side of an OLED panel which performs an image display. By allowing fixing members to pass through the pair of mounting holes, the OLED panel per se becomes the mounting reference and is positioned with respect to the casing with high accuracy. Further, by forming notched portions on another side of the OLED panel which faces one side of the OLED panel in an opposed manner, the OLED panel is supported on a plurality of points and hence, the OLED panel is positioned and fixed with high accuracy.