| Patent application number | Description | Published |
|---|
| 20090050916 | SEMICONDUCTOR LIGHT EMITTING DEVICE AND SEMICONDUCTOR LIGHT EMITTING APPARATUS - A semiconductor light emitting device includes a first semiconductor layer, a second semiconductor layer, a light emitting layer provided between the first semiconductor layer and the second semiconductor layer, a first electrode provided on the first semiconductor layer, a second electrode including a first metal film provided on the second semiconductor layer and containing at least one of silver and a silver alloy, and a second metal film provided on the first metal film and made of a metal substantially not containing silver, and a dielectric film spaced from the first metal film on the second semiconductor layer. The second metal film covers the first metal film, at least part of the dielectric film, and a surface of the second semiconductor layer exposed between the first metal film and the dielectric film. | 02-26-2009 |
| 20090057707 | SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME - A semiconductor light emitting device includes: a laminated body including a first semiconductor layer, a second semiconductor layer, and a light emitting layer provided between the first semiconductor layer and the second semiconductor layer; a first electrode provided on a first major surface of the laminated body and connected to the first semiconductor layer; and a second electrode provided on the first major surface of the laminated body and connected to the second semiconductor layer. The first electrode includes: a first region provided on the first semiconductor layer and including a first metal film; and a second region provided on the first semiconductor layer and including a second metal film, the second metal film having a higher reflectivity for light emitted from the light emitting layer than the first metal film and having a higher contact resistance with respect to the first semiconductor layer than the first metal film. | 03-05-2009 |
| 20090230422 | SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME - A semiconductor light-emitting element includes, a first semiconductor layer, a second semiconductor layer, a light-emitting layer provided between the first semiconductor layer and the second semiconductor layer, a first electrode connected to the first semiconductor layer, and a second electrode provided on the second semiconductor layer. A side of the second electrode facing to the second semiconductor layer is composed of at least any one of silver and silver alloy. The second electrode has a void having a width of emission wavelength or less of the light-emitting layer in a plane of the second electrode facing to the second semiconductor layer. | 09-17-2009 |
| 20100051978 | SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME - A semiconductor light emitting device includes: a laminated structure body including an n-type semiconductor layer, a p-type semiconductor layer and a light emitting layer provided between the n-type semiconductor layer and the p-type semiconductor layer; a first electrode connected to the n-type semiconductor layer and containing at least one of silver and a silver alloy; and a second electrode connected to the p-type semiconductor layer. | 03-04-2010 |
| 20100051987 | SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME - A semiconductor light-emitting device includes: a laminated structure, a first electrode, a second electrode and a dielectric laminated film. The laminated structure includes, a first semiconductor layer, a second semiconductor layer, and a light-emitting layer provided between the first semiconductor layer and the second semiconductor layer, in which the second semiconductor layer and the light-emitting layer are selectively removed and a part of the first semiconductor layer is exposed to a first main surface on the side of the second semiconductor layer. The first electrode is provided on the first main surface of the laminated structure and connected to the first semiconductor layer and has a first region including a first metal film provided on the first semiconductor layer of the first main surface, and a second region including a second metal film provided on the first semiconductor layer and having a higher reflectance for light emitted from the light-emitting layer than the first metal film and having a higher contact resistance with respect to the first semiconductor layer than the first metal film. The second electrode is provided on the first main surface of the laminated structure and connected to the second semiconductor layer. The dielectric laminated film is provided on the first and second semiconductor layer being not covered with the first and second electrode and has a plurality of dielectric films having different refractive indices being laminated. | 03-04-2010 |
| 20100051994 | SEMICONDUCTOR LIGHT EMITTING DEVICE AND SEMICONDUCTOR LIGHT EMITTING APPARATUS - A semiconductor light emitting device, includes: a stacked structure unit including a first semiconductor layer, a second semiconductor layer, and a light emitting layer provided between the first semiconductor layer and the second semiconductor layer; a first electrode provided on a first major surface of the stacked structure unit on the second semiconductor layer side to connect to the first semiconductor layer; and a second electrode provided on the first major surface of the stacked structure unit to connect to the second semiconductor layer. The second electrode includes: a first film provided on the second semiconductor layer; and a second film provided on a rim of the first film on the second semiconductor layer. The first film has a relatively low contact resistance with the second semiconductor layer. The second film has a relatively high contact resistance with the second semiconductor layer. A distance from an outer edge of the second film to the first film is smaller at a central portion than at a peripheral portion of the first major surface. | 03-04-2010 |
| 20100051995 | METHOD FOR MANUFACTURING SEMICONDUCTOR LIGHT EMITTING APPARATUS AND SEMICONDUCTOR LIGHT EMITTING APPARATUS - A method for manufacturing a semiconductor light emitting apparatus includes causing a semiconductor light emitting device and a mounting member to face each other. The semiconductor light emitting device includes a stacked structure unit including a first semiconductor layer, a second semiconductor layer, and a light emitting layer provided between the first semiconductor layer and the second semiconductor layer, a first electrode provided on a major surface of the stacked structure unit to connect to the first semiconductor layer, a second electrode provided on the major surface of the stacked structure unit to connect to the second semiconductor layer, and a dielectric stacked film provided on the first semiconductor layer and the second semiconductor layer of the major surface not covered by the first electrode and the second electrode, formed of stacked dielectric films having different refractive indexes, and including a protruding portion erected on at least a portion of a rim of at least one of the first and second electrodes. The mounting member includes a connection member connected to at least one of the first and second electrodes. The method further includes causing the connection member to contact and join to the at least one of the first and second electrodes using the protruding portion as a guide. | 03-04-2010 |
| 20100055819 | METHOD FOR MANUFACTURING SEMICONDUCTOR LIGHT EMITTING DEVICE - A method for manufacturing a semiconductor light emitting device is provided. The device includes: an n-type semiconductor layer; a p-type semiconductor layer; and a light emitting unit provided between the n-type semiconductor layer and the p-type semiconductor layer. The method includes: forming a buffer layer made of a crystalline Al | 03-04-2010 |
| 20100059734 | SEMICONDUCTOR LIGHT EMITTING DEVICE AND WAFER - A semiconductor light emitting device includes a first layer made of at least one of n-type GaN and n-type AlGaN; a second layer made of Mg-containing p-type AlGaN; and a light emitting section provided between the first layer and the second layer. The light emitting section included a plurality of barrier layers made of Si-containing Al | 03-11-2010 |
| 20110049541 | SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SAME - A semiconductor light emitting device, includes: a stacked structural unit including a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, and a light emitting layer provided therebetween; and an electrode including a first and second metal layers, the first metal layer including silver or silver alloy and being provided on a side of the second semiconductor layer opposite to the light emitting layer, the second metal layer including at least one element selected from gold, platinum, palladium, rhodium, iridium, ruthenium, and osmium and being provided on a side of the first metal layer opposite to the second semiconductor layer. A concentration of the element in a region including an interface between the first and second semiconductor layers is higher than that of the element in a region of the first metal layer distal to the interface. | 03-03-2011 |
| 20110049550 | SEMICONDUCTOR LIGHT EMITTING ELEMENT AND SEMICONDUCTOR LIGHT EMITTING DEVICE - A semiconductor light emitting element, includes: a laminated structure body including an n-type semiconductor layer, a p-type semiconductor layer, and a light emitting layer; a p-side electrode provided in contact with the p-type semiconductor layer; an n-side electrode provided in contact with the n-type semiconductor layer; a highly reflective insulating layer provided in contact with the n-type semiconductor layer and having a higher reflectance than a reflectance of the n-side electrode; and an upper metal layer provided on at least a part of the n-side electrode and on at least a part of the highly reflective insulating layer and electrically connected to the n-side electrode. An area of a region of the n-side electrode in contact with the n-type semiconductor layer is smaller than an area of a region of the highly reflective insulating layer sandwiched between the n-type semiconductor layer and the upper metal layer. | 03-03-2011 |
| 20110117684 | Semiconductor light-emitting element and method for producing the same - A semiconductor light-emitting element includes, a first semiconductor layer, a second semiconductor layer, a light-emitting layer provided between the first semiconductor layer and the second semiconductor layer, a first electrode connected to the first semiconductor layer, and a second electrode provided on the second semiconductor layer. A side of the second electrode facing to the second semiconductor layer is composed of at least any one of silver and silver alloy. The second electrode has a void having a width of emission wavelength or less of the light-emitting layer in a plane of the second electrode facing to the second semiconductor layer. | 05-19-2011 |
