Patent application number | Description | Published |
20080233669 | Method for Manufacturing Light-Emitting Device - A full-color light-emitting device is achieved with plural kinds of light-emitting elements in each of which a stacked layer of a first material layer formed selectively with a droplet discharge apparatus and a second material layer formed by vapor-deposition method using the conductive-surface plate on which a layer containing an organic compound is formed is provided between a pair of electrodes. The first material layer is a layer in which an organic compound and a metal oxide which is an inorganic compound are mixed. By adjusting the thickness of the first material layer of each light-emitting element, which is different depending on an emission color, a blue light emission component, a green light emission component, or a red light emission component among a plurality of components for white light emission can be selectively emphasized and taken out by light interference phenomenon. | 09-25-2008 |
20080268135 | MANUFACTURING METHOD OF LIGHT-EMITTING DEVICE - For a full-color flat panel display, demands for high definition, high aperture ratio and high reliability have been increasing. Therefore, increasing in the number of pixels and narrowing a pixel pitch have been major issues. According to the present invention, a layer including an organic compound is selectively formed with a light-exposure apparatus used in a photolithography technique without a resist mask. A material layer including a photopolymerization initiator, a material polymerized with the photopolymerization initiator, and an organic compound are formed on a plate, and then are exposed to light and selectively cured. A film-formation substrate is disposed so as to face the plate. The film-formation substrate or the material layer is heated so that the organic compound included in a region exposed to light or a region not exposed to light is evaporated to be selectively deposited on the surface of the film-formation substrate. | 10-30-2008 |
20090011677 | Method for Manufacturing Light-Emitting Device - A method for manufacturing a light-emitting device including a layer containing different evaporation materials, by which a desired layer containing the different evaporation materials is formed easily using a plurality of evaporation materials. A light-emitting device is manufactured in such a manner that a plurality of layers each containing a different evaporation material from each other is stacked over a first substrate; a second substrate which has a first electrode is placed at a position facing the first substrate; the plurality of layers containing evaporation materials is heated to form a layer containing different evaporation materials is formed on the first electrode provided for the second substrate; and a second electrode is formed on the layer containing different evaporation materials. | 01-08-2009 |
20090075214 | MANUFACTURING METHOD OF LIGHT EMITTING DEVICE, AND EVAPORATION DONOR SUBSTRATE - An object is to provide a manufacturing method of a light emitting device, by which manufacturing costs in manufacturing a flat panel display can be reduced. A first substrate provided with a reflective layer having an opening over a first surface, and provided with a light absorption layer and an evaporation material over a second surface facing the first surface is used. Then, in a state where the second surface of the first substrate is disposed close to a first surface of a second substrate, light irradiation is performed from the first surface side of the first substrate. The irradiation light is absorbed by a portion of the light absorption layer overlapping with the opening in the reflective layer, thereby heating the evaporation material. The heated evaporation material is attached to the first surface of the second substrate. | 03-19-2009 |
20090104403 | Evaporation Donor Substrate and Method for Manufacturing Light-Emitting Device - To provide an evaporation donor substrate which is used for deposition by an evaporation method and which allows reduction in manufacturing cost and high uniformity of a film which is deposited. In addition, to provide a method for manufacturing a light-emitting device using the evaporation donor substrate. The evaporation donor substrate includes a reflective layer having an opening which is formed over a substrate, a heat insulating layer having a light-transmitting property which is formed over the substrate and the reflective layer, a light absorption layer which is formed over the heat insulating layer; and a material layer which is formed over the light absorption layer. | 04-23-2009 |
20090104835 | Method of Manufacturing Light-Emitting Device, and Evaporation Donor Substrate - The present invention provides a method of manufacturing a light-emitting device and an evaporation donor substrate, by which the precision of patterning of an EL layer of each color can be improved in manufacture of a full color flat panel display using emission colors of red, green, and blue. A first substrate which includes a reflective layer including an opening portion, a heat insulating layer including an opening portion in a position overlapped with the opening portion of the reflective layer over the reflective layer, a light absorption layer covering the opening portion of the reflective layer and the opening portion of the heat insulating layer over the heat insulating layer, and a material layer over the light absorption layer is used. While one surface of the first substrate is disposed close to a deposition target surface of a second substrate, the first substrate is irradiated with light from the other surface of the first substrate. The irradiation light is absorbed in the light absorption layer in the position overlapped with the opening portion of the reflective layer to heat an evaporation material. The heated evaporation material is evaporated onto the second substrate. | 04-23-2009 |
20090166563 | Method for Manufacturing Evaporation Donor Substrate and Light-Emitting Device - An evaporation donor substrate which enables only a desired evaporation material to be evaporated at the time of deposition by an evaporation method, and capable of reduction in manufacturing cost by increase in use efficiency of the evaporation material and deposition with high uniformity. An evaporation donor substrate capable of controlling laser light so that a desired position of an evaporation donor substrate is irradiated with the laser light in accordance with the wavelength of the emitted laser light at the time of evaporation. Specifically, an evaporation donor substrate in which a region which reflects laser light and a region which absorbs laser light at the time of irradiation with laser light having a wavelength of greater than or equal to 400 nm and less than or equal to 600 nm at the time of evaporation are formed. | 07-02-2009 |
20090169809 | Evaporation Donor Substrate, Method for Manufacturing the Same, and Method for Manufacturing Light-Emitting Device - An evaporation donor substrate that makes it possible to evaporate only a desired evaporation material in the case of performing deposition by an evaporation method. Thus, the use efficiency of an evaporation material can be increased resulting in reduction in production cost, and further a film with high uniformity can be deposited. The evaporation donor substrate can be obtained by forming a reflective layer having an opening over a substrate, forming a thermal insulation layer having a light-transmitting property separately over the substrate and the reflective layer, forming a light absorption layer over the thermal insulation layer, and forming a material layer over the light absorption layer. | 07-02-2009 |
20090197017 | Deposition Method and Method for Manufacturing Light-Emitting Device - A first substrate which includes a reflective layer having an opening, a light-absorbing layer, and a material layer formed in contact with the light-absorbing layer over one of surfaces is provided; the surface of the first substrate over which the material layer is formed and a deposition target surface of the second substrate are disposed to face each other; and irradiation with laser light whose repetition rate is greater than or equal to 10 MHz and pulse width is greater than or equal to 100 fs and less than or equal to 10 ns is performed from the other surface side of the first substrate to selectively heat a part of the material layer at a position overlapping with the opening of the reflective layer and deposit the part of the material layer over the deposition target surface of the second substrate. | 08-06-2009 |
20090256169 | Deposition Substrate and Method for Manufacturing Light-Emitting Device - The deposition substrate of the present invention includes a light-transmitting substrate having a first region and a second region. In the first region, a first heat-insulating layer transmitting light is provided over the light-transmitting substrate, a light absorption layer is provided over the first heat-insulating layer, and a first organic compound-containing layer is provided over the light absorption layer. In the second region, a reflective layer is provided over the light-transmitting substrate, a second heat-insulating layer is provided over the reflective layer, and a second organic compound-containing layer is provided over the second heat-insulating layer. The edge of the second heat-insulating layer is placed inside the edge of the reflective layer, and there is a space between the first heat-insulating layer and the second heat-insulating layer. | 10-15-2009 |
20090269509 | Method of Manufacturing Evaporation Donor Substrate and Method of Manufacturing Light-Emitting Device - It is an object to provide a method of manufacturing a light-emitting device, which improves use efficiency of an evaporation material and increases accuracy in forming an evaporated pattern by using an evaporation donor substrate by which a material layer to be a transfer layer is prevented from being excessively evaporated and a desired evaporated pattern can be formed. In a method of manufacturing an evaporation donor substrate, a first substrate which is an evaporation donor substrate is irradiated with first light (laser light) through a second substrate which is a mask substrate, whereby a material layer over the first substrate is patterned. In addition, in a method of manufacturing a light-emitting device, the first substrate provided with the material layer which is patterned by the above method is irradiated with second light, whereby the material layer can be evaporated onto a third substrate which is a deposition target substrate. | 10-29-2009 |
20100015424 | Deposition Donor Substrate and Method for Manufacturing Light-Emitting Device - One surface of a first substrate provided with at least light-absorbing layers separately formed, partition layers each formed between the light-absorbing layers and having an inverse taper shape, and material layers formed on the light-absorbing layers and on the partition layers so that the material layers are separated from each other is disposed to face a deposition target surface of a second substrate; light irradiation is performed from the other surface of the first substrate, only the material layers in regions overlapped with the light-absorbing layers are heated and evaporated to the deposition target surface of the second substrate. | 01-21-2010 |
20100098879 | Method for Manufacturing Light-Emitting Device - A method for manufacturing a light-emitting device is provided, which includes a step of forming a light-absorbing layer including an unevenness portion over a first substrate, a step of forming a first organic compound layer over the light-absorbing layer, a step of providing a second substrate over the first substrate with the light-absorbing layer and the first organic compound layer interposed therebetween, and a step of irradiating the light-absorbing layer with light to deposit a second organic compound layer including a material contained in the first organic compound layer onto the second substrate. | 04-22-2010 |
20110193124 | Deposition Substrate and Method for Manufacturing Light-Emitting Device - The deposition substrate of the present invention includes a light-transmitting substrate having a first region and a second region. In the first region, a first heat-insulating layer transmitting light is provided over the light-transmitting substrate, a light absorption layer is provided over the first heat-insulating layer, and a first organic compound-containing layer is provided over the light absorption layer. In the second region, a reflective layer is provided over the light-transmitting substrate, a second heat-insulating layer is provided over the reflective layer, and a second organic compound-containing layer is provided over the second heat-insulating layer. The edge of the second heat-insulating layer is placed inside the edge of the reflective layer, and there is a space between the first heat-insulating layer and the second heat-insulating layer. | 08-11-2011 |
20120018767 | Light-Emitting Device, Lighting Device, and Manufacturing Method of Light-Emitting Device - The manufacturing method of the light-emitting device is provided in which an auxiliary electrode in contact with an electrode formed using a transparent conductive film of a light-emitting element is formed using a mask, and direct contact between the auxiliary electrode and an EL layer is prevented by oxidizing the auxiliary electrode. Further, the light-emitting device manufactured according to the method and the lighting device including the light-emitting device are provided. | 01-26-2012 |
20120088324 | Method for Manufacturing Evaporation Donor Substrate and Light-Emitting Device - An evaporation donor substrate which enables only a desired evaporation material to be evaporated at the time of deposition by an evaporation method, and capable of reduction in manufacturing cost by increase in use efficiency of the evaporation material and deposition with high uniformity. An evaporation donor substrate capable of controlling laser light so that a desired position of an evaporation donor substrate is irradiated with the laser light in accordance with the wavelength of the emitted laser light at the time of evaporation. Specifically, an evaporation donor substrate in which a region which reflects laser light and a region which absorbs laser light at the time of irradiation with laser light having a wavelength of greater than or equal to 400 nm and less than or equal to 600 nm at the time of evaporation are formed. | 04-12-2012 |
20120099331 | LIGHTING DEVICE - To improve reliability of a lighting device using an electroluminescent material. In a lighting device which includes a light-emitting element containing an electroluminescence (EL) layer, a first housing is provided on a light emission surface of the light-emitting element, a metal plate and a second housing covering the metal plate are provided over a top surface of the light-emitting element, and the first housing is connected to both the metal plate and the second housing, whereby the light-emitting element is doubly sealed. Further, a depressed portion is provided for the first housing in a region in contact with the metal plate or a region in contact with the second housing through an adhesive layer; thus, adhesion between the housings is improved. | 04-26-2012 |
20120228592 | Light-Emitting Element, Light-Emitting Device, and Manufacturing Method of Light-Emitting Element - Provided is a highly reliable light-emitting element in which damage to an EL layer is reduced even when an auxiliary electrode for an upper electrode is provided. Further, a highly reliable light-emitting device in which luminance unevenness is suppressed is provided. The light-emitting element includes a first electrode; an insulating layer over the first electrode; an auxiliary electrode having a projection and a depression on a surface, over the insulating layer; a layer containing a light-emitting organic compound over the first electrode and the auxiliary electrode; and a second electrode over the layer containing the light-emitting organic compound. At least part of the auxiliary electrode is electrically connected to the second electrode. | 09-13-2012 |
20120251772 | Method of Manufacturing Light-Emitting Device, and Evaporation Donor Substrate - The present invention relates to a donor substrate and a method of manufacturing a light-emitting device. The donor substrate includes a reflective layer including an opening portion, a light absorption layer covering the opening portion of the reflective layer over the reflective layer, a heat insulating layer including an opening portion in a position overlapped with the opening portion of the reflective layer over the light absorption layer, and a material layer including a light-emitting material covering the opening portion of the heat insulating layer over the heat insulating layer. A target substrate and the donor substrate are disposed to face each other, and an EL layer is formed over the target substrate by performing light irradiation from a rear surface of the donor substrate. | 10-04-2012 |
20120313128 | Lighting Device and Method for Manufacturing the Same - A lighting device is formed using a light-emitting element by a more simplified method. The lighting device includes a light-emitting element including a light-emitting layer between a first electrode and a second electrode, a substrate provided with the light-emitting element and an uneven region around the periphery of the light-emitting element, a sealing substrate facing the substrate, connection electrodes connected to the first electrode and the second electrode and formed over the uneven region, and a sealant for bonding the substrate and the sealing substrate. The connection electrodes are each formed using a conductive paste, and the sealant is in contact with the connection electrodes and the uneven region provided around the periphery of the light-emitting element. | 12-13-2012 |
20130178004 | Method for Manufacturing Light-Emitting Device - A full-color light-emitting device is achieved with plural kinds of light-emitting elements in each of which a stacked layer of a first material layer formed selectively with a droplet discharge apparatus and a second material layer formed by vapor-deposition method using the conductive-surface plate on which a layer containing an organic compound is formed is provided between a pair of electrodes. The first material layer is a layer in which an organic compound and a metal oxide which is an inorganic compound are mixed. By adjusting the thickness of the first material layer of each light-emitting element, which is different depending on an emission color, a blue light emission component, a green light emission component, or a red light emission component among a plurality of components for white light emission can be selectively emphasized and taken out by light interference phenomenon. | 07-11-2013 |
20140057376 | Deposition Donor Substrate and Method for Manufacturing Light-Emitting Device - One surface of a first substrate provided with at least light-absorbing layers separately formed, partition layers each formed between the light-absorbing layers and having an inverse taper shape, and material layers formed on the light-absorbing layers and on the partition layers so that the material layers are separated from each other is disposed to face a deposition target surface of a second substrate; light irradiation is performed from the other surface of the first substrate, only the material layers in regions overlapped with the light-absorbing layers are heated and evaporated to the deposition target surface of the second substrate. | 02-27-2014 |
20140170793 | Light-Emitting Element, Light-Emitting Device, and Manufacturing Method of Light-Emitting Element - Provided is a highly reliable light-emitting element in which damage to an EL layer is reduced even when an auxiliary electrode for an upper electrode is provided. Further, a highly reliable light-emitting device in which luminance unevenness is suppressed is provided. The light-emitting element includes a first electrode; an insulating layer over the first electrode; an auxiliary electrode having a projection and a depression on a surface, over the insulating layer; a layer containing a light-emitting organic compound over the first electrode and the auxiliary electrode; and a second electrode over the layer containing the light-emitting organic compound. At least part of the auxiliary electrode is electrically connected to the second electrode. | 06-19-2014 |
20140284587 | Light-Emitting Device, Lighting Device, and Manufacturing Method of Light-Emitting Device - The manufacturing method of the light-emitting device is provided in which an auxiliary electrode in contact with an electrode formed using a transparent conductive film of a light-emitting element is formed using a mask, and direct contact between the auxiliary electrode and an EL layer is prevented by oxidizing the auxiliary electrode. Further, the light-emitting device manufactured according to the method and the lighting device including the light-emitting device are provided. | 09-25-2014 |