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公开(公告)号：US20190321653A1
公开(公告)日：2019-10-24
申请号：US16311527
申请日：2017-06-21
发明人： KATSUJI IGUCHI , HIROYA SATO , TAKASHI YOSHIMOTO , JUN MORI , TOSHIYUKI OZAWA , KUNIO AWAZU
IPC分类号： A61N5/06
摘要： The present invention includes: a front-side positive trace (2P) disposed on a flexible substrate (5); a positive external connection line (12P) connected to the front-side positive trace (2P) to supply electric power; and LED chips (4) provided to the flexible substrate (5) and connected to the front-side positive trace (2P), wherein an electric resistance between the positive external connection line (12P) and one of the LED chips (4) which is farthest from the positive external connection line (12P) is less than an internal resistance of the one of the LED chips (4).
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公开(公告)号：US20200251460A1
公开(公告)日：2020-08-06
申请号：US16641907
申请日：2018-03-06
发明人： KATSUJI IGUCHI
IPC分类号： H01L25/16 , H01L33/32 , H01L33/38 , H01L33/24 , H01L33/44 , H01L33/60 , H01L33/52 , H01L33/00 , H01L33/62
摘要： A micro-LED element includes a nitride semiconductor layer in which an N-type layer, a light-emitting layer, and a P-type layer are stacked in this order when viewed from a light emission surface side; and a P-side electrode layer formed on the P-type layer side. The N-type layer includes a first region in contact with the light-emitting layer and a second region including the light emission surface. An angle between a first interface surrounding at least a side of the first region in the nitride semiconductor layer and the light-emitting layer is a prescribed first angle at which light propagating in a direction along the light-emitting layer is reflected in a direction toward the light emission surface. An angle between a second interface surrounding a side of the second region in the nitride semiconductor layer and the light-emitting layer is a prescribed second angle larger than the first angle.
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公开(公告)号：US20190356907A1
公开(公告)日：2019-11-21
申请号：US16411063
申请日：2019-05-13
发明人： KATSUJI IGUCHI
IPC分类号： H04N13/363 , G02B17/00 , G02B27/22
摘要： A three-dimensional display includes a plurality of micro-projectors, each of which including a display element and a projection optic, and a micro-lens array, and each micro-projector projects a display image displayed by the display element onto the micro-lens array through the projection optic and the display element includes a drive circuit substrate and a plurality of micro light emission elements formed on a surface on one side of the drive circuit substrate.
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公开(公告)号：US20190331771A1
公开(公告)日：2019-10-31
申请号：US16392186
申请日：2019-04-23
发明人： KATSUJI IGUCHI
摘要： Provided is a non-mechanical-scanning-type optical radar apparatus that is capable of long distance measurement and its cost is reduced. The optical radar apparatus includes: a light emitting section; and a light receiving system, the light receiving system at least including a focusing optical element and a distance sensor that includes a light receiver, the target field of view being projected on the light receiver through the focusing optical element, the distance sensor being configured to set an activation region in a part of the light receiver depending on the scanning with the light and measure a distance to the object with use of a signal from the activation region.
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公开(公告)号：US20180015298A1
公开(公告)日：2018-01-18
申请号：US15553850
申请日：2016-01-22
发明人： KATSUJI IGUCHI , JUN MORI , TOHRU NAKANISHI
IPC分类号： A61N5/06
CPC分类号： A61N5/0616 , A61B2018/00648 , A61B2018/00821 , A61N5/06 , A61N5/0624 , A61N2005/002 , A61N2005/005 , A61N2005/007 , A61N2005/0626 , A61N2005/0627 , A61N2005/0628 , A61N2005/0632 , A61N2005/0643 , A61N2005/0652 , A61N2005/0661 , A61N2005/0663
摘要： Provided is a simple light irradiation apparatus capable of performing uniform irradiation even on to a treatment area having a curved surface and capable of suppressing excessive heating caused by light irradiation. The light irradiation apparatus (10) includes a polymer gel layer (3) that covers the treatment area (2) on skin (1), an LED protective layer (6) that closely adheres to the polymer gel layer (3), and a substrate (5) on which LEDs (4) closely adhered to the LED protective layer (6) are arranged thereon. A current control apparatus (8) which lights the LEDs (4) controls irradiation intensity and stops irradiation when. reaching a demanded dose amount.
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公开(公告)号：US20200350362A1
公开(公告)日：2020-11-05
申请号：US16929817
申请日：2020-07-15
发明人： KATSUJI IGUCHI
IPC分类号： H01L27/15 , H01L33/40 , H01L33/62 , H01L33/44 , H01L33/24 , H01S5/42 , H01L25/18 , H01L25/00 , H01S5/042 , H01S5/028 , H01S5/022 , H01S5/183 , H01L33/38
摘要： Provided is a micro light emission element including a compound semiconductor in which an N-side layer, a light emission layer, and a P-side layer are laminated sequentially from a side of a light emitting surface, in which an N-electrode coupled to the N-side layer and a P-electrode coupled to the P-side layer are disposed on another surface opposite to the light emitting surface, the P-electrode is disposed on the light emission layer, the N-electrode is disposed in an isolation region which is a boundary region of the micro light emission element and isolates the light emission layer from a light emission layer of another micro light emission element, a surface of the N-electrode on a side of the other surface and a surface of the P-electrode on the side of the other surface are flush with each other, and the N-electrode and the P-electrode are both formed of a single interconnection layer.
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公开(公告)号：US20200287103A1
公开(公告)日：2020-09-10
申请号：US16810159
申请日：2020-03-05
发明人： MASUMI MAEGAWA , HITOSHI AOKI , TOSHIYA ISHIO , KATSUJI IGUCHI
IPC分类号： H01L33/50 , H01L33/52 , H01L25/075
摘要： An image display device includes: a plurality of LED elements that are mounted on a drive circuit substrate and emit light source light; a wavelength conversion layer that is stacked on a side of the LED elements opposite to the drive circuit substrate, converts the light source light emitted by the LED elements into long wavelength light, and emits the long wavelength light to a side opposite to the drive circuit substrate; and a first functional layer that is disposed on a light emitting surface side of the long wavelength light of the wavelength conversion layer, reflects the light source light, and transmits the long wavelength light.
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公开(公告)号：US20200176655A1
公开(公告)日：2020-06-04
申请号：US16698715
申请日：2019-11-27
发明人： KATSUJI IGUCHI , TAKASHI KURISU , MASUMI MAEGAWA
IPC分类号： H01L33/62 , H01L25/075 , H01L33/52
摘要： In a micro light emitting element, a first metal film electrically connected to a second conductive layer is disposed on a surface on an opposite side of a light emitting surface side. The first metal film covers the second conductive layer. A first inclined angle of a first conductive layer side surface from a slope formed around a light emission layer to the light emitting surface is larger than a second inclined angle of the slope. The slope and the first conductive layer side surface are covered together by a second metal film. A first transparent insulating film is disposed between the slope and the second metal film.
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公开(公告)号：US20190229235A1
公开(公告)日：2019-07-25
申请号：US16257007
申请日：2019-01-24
发明人： KATSUJI IGUCHI
摘要： [Object ] To provide a micro LED element that can reduce deterioration in light emission efficiency, even when the micro LED element is miniaturized in size.[Solution] A micro LED element (100) includes: a nitride semiconductor layer (14) including an N-side layer (11), a light emission layer (12), and a P-side layer (13); and a plurality of micro-mesas each having a slope that surrounds the light emission layer (12) and is inclined at an angle within a prescribed range including 45° as an angle (θ) formed by the slope and the light emission layer, and a flat portion formed by a surface of the P-side layer.
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公开(公告)号：US20190083806A1
公开(公告)日：2019-03-21
申请号：US16304301
申请日：2017-05-19
发明人： KATSUJI IGUCHI , HIROYA SATO , TAKASHI YOSHIMOTO , JUN MORI
摘要： An optical treatment apparatus includes: a power source unit; a light irradiation module, that irradiates an affected part with light; a spacer that is positioned between the light irradiation module and the affected part; a fixing material that applies pressure to the light irradiation module and fixes the light irradiation module at an installation position; and a shielding material that covers the light irradiation module, in which, in a case where the pressure applied by the fixing material becomes lower than predetermined pressure, supply of current is stopped.
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