Patent application number | Description | Published |
20100213852 | Light source apparatus - A light source apparatus that comprises a blue light emitting diode and a fluorescent material film capable of converting the blue light emitted from the blue light emitting diode into white light, wherein the fluorescent material film is formed by coating, on a glass substrate, a dispersion prepared by dispersing a composition containing metallic oxide fine particles and a yellow fluorescent material capable of absorbing part of the blue light, thereby emitting yellow light, in a metallic alkoxide and/or metallic alkoxide oligomer, followed by firing. | 08-26-2010 |
20100213881 | Light source apparatus - A light source apparatus that includes a light emitting diode and a fluorescent material film. The fluorescent material film converts ultraviolet or blue light emitted from the light emitting diode into white light. The film is formed by coating, on at least one side of a glass substrate, a liquid mixture of fluorescent material, an organic binder, and a solvent, followed by drying and firing, and another thin film is further formed by coating, on the fluorescent material film, a coating material that contains a metallic alkoxide and/or metallic alkoxide oligomer, followed by drying and firing. | 08-26-2010 |
Patent application number | Description | Published |
20080283849 | LED DEVICE AND METHOD BY WHICH IT IS PRODUCED - A LED device formed of LED chips bonded to an exoergic member by the LED chips being bonded to an Au—Sn alloy layer formed on an upper surface of the exoergic member with columnar crystals being formed within the Au—Sn alloy layer extending in a direction perpendicular to the upper surface of the exoergic member. The method of producing the LED device forms an Sn film directly on the upper surface of the exoergic member, an Au film on a lower surface of the LED chips, mounts the LED chips with the Au film thereon onto the Sn film formed on the upper surface of the exoergic member, and the exoergic member with LED chips mounted thereon is heated in an atmosphere in which a forming gas flows, so that the LED chips are bonded to the exoergic member. | 11-20-2008 |
20080305570 | LED CHIP PRODUCTION METHOD - An LED chip production method in which the sapphire substrate used in the process for formation of a nitride semiconductor can be easily and efficiently removed. The LED chip production method is a method for LED chips that has at least one nitride semiconductor layer. An LED chip structure assembly with a construction in which a nitride buffer layer is formed on the sapphire substrate and the at least one nitride semiconductor layer is formed on the nitride buffer layer which is then subjected to a chemical etching process to remove the nitride buffer layer, thereby facilitating removal of the sapphire substrate. | 12-11-2008 |
20080310472 | LASER DIODE CHIP AND ITS PRODUCTION METHOD - A laser diode chip that yields high irradiance and radiant efficiency, and that emits light having a broad wavelength width and can be used as an element in a light source for an illumination device, and its production method. The laser diode chip has at least a first clad layer, an active layer, and a second clad layer stacked in that order on a substrate, is constructed of a specified combination of constituent materials for the first clad layer, active layer, and second clad layer, and has multiple, parallel, slot-shaped concavities formed in the upper surface of the second clad layer, in each of which a liquid oxide film is baked to form a current arctation layer. Light emitting points are formed in the active layer in each of the light emitting unit areas demarcated by the current arctation layers, the maximum depth of which is 5.0 μm or less. | 12-18-2008 |
20100006871 | LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING THE LIGHT EMITTING DEVICE - A light emitting device that has a radiant efficiency that does not decline in use, enables luminous flux to be increased by a high electric current, and produces white light with good color rendering and a method for producing a light emitting device capable of smoothly transmitting heat generated by LED elements to a carrier substrate. The radiation emitting device has first LED elements for emitting UV radiation, second LED elements for emitting visible light, a substrate made of an inorganic material and which carries the first LED elements and the second LED elements, a body made of inorganic material containing the first LED elements, the second LED elements and the substrate, and an SiC fluorescent screen that is doped with at least one of B and Al as well as N and emits visible light when excited by radiation emitted from the first LED elements. | 01-14-2010 |
20100007267 | LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING THE LIGHT EMITTING DEVICE - To provide a light emitting device that does not experience a decline in radiant efficiency in use, enables luminous flux from LED elements to be increased, and white light of good color rendering to be produced, and heat generated by the LED elements to be smoothly transmitted to an SiC fluorescent substrate. The light emitting device is provided with first LED elements for emitting UV radiation, second LED elements for emitting visible light, an SiC fluorescent substrate that is mounted with the first LED elements and the second LED elements and is made of SiC doped with at least one of B and Al as well as N and emits visible light when excited by radiation emitted from the first LED elements, and has a body made of inorganic material. | 01-14-2010 |
Patent application number | Description | Published |
20110238725 | IMAGING DEVICE, IMAGING SYSTEM, IMAGE MANAGEMENT SERVER, IMAGE COMMUNICATION SYSTEM, IMAGING METHOD, AND IMAGE MANAGEMENT METHOD - An imaging device includes an imaging unit that images a subject to generate electronic image data; and a communication unit that communicates with a plurality of servers through a network. The imaging device also includes an image file generating unit that generates an image file including first interpretation subject information interpreted by any one of the plurality of servers. | 09-29-2011 |
20120254494 | HANDY TERMINAL AND COMPUTER READABLE MEDIUM - There is provided a handy terminal connected to a cradle in a removable manner, wherein the cradle has a communication function and is connected to a network. The handy terminal includes: a determining unit configured to determine whether or not the handy terminal is connected to the cradle; an identifying unit configured to identify the cradle when the determining unit determines that the handy terminal is connected to the cradle; and an address setting unit configured to set a network terminal address for identifying the handy terminal on the network, depending on the identified cradle. | 10-04-2012 |
20140189072 | IMAGING DEVICE, IMAGING SYSTEM, IMAGE MANAGEMENT SERVER, IMAGE COMMUNICATION SYSTEM, IMAGING METHOD, AND IMAGE MANAGEMENT METHOD - An imaging device includes an imaging unit that images a subject to generate electronic image data; and a communication unit that communicates with a plurality of servers through a network. The imaging device also includes an image file generating unit that generates an image file including first interpretation subject information interpreted by anyone of the plurality of servers. | 07-03-2014 |
20150097201 | Light Emitting Device Comprising Chip-on-board Package substrate and method for manufacturing - [Problem] To provide a chip-on-board light emitting device and a method for manufacturing the same such that even though the light emitting device is a chip-on-board light emitting device, it is possible to improve color rendering thereof without excessively reducing the amount of light emission and without installing special circuit patterns or performing current control. [Solution] A chip-on-board light emitting device in which a plurality of LED elements are mounted directly on a package substrate includes a circuit pattern formed on the package substrate, the circuit pattern including a plurality of mounting sections on which the plurality of LED elements are mounted and an anode electrode and cathode electrode pair. The LED elements mounted on the circuit pattern include a plurality of types of LED elements having different emission wavelengths and temperature characteristics, so that by utilizing the temperature characteristics of the plurality of types of LED elements, the device as a whole has a greater average color rendering index (Ra) at an operating temperature than at a ordinary temperature. | 04-09-2015 |