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公开(公告)号：US11271372B2
公开(公告)日：2022-03-08
申请号：US16944027
申请日：2020-07-30
申请人： NICHIA CORPORATION
发明人： Soichiro Miura , Kazuma Kozuru
IPC分类号： H01S5/00 , H01S5/40 , H01S5/0225 , H01S5/02253 , H01S5/02255 , H01S5/02257 , H01S5/323 , H01S5/024 , H01S5/02216 , H01S5/0222 , H01S5/02326
摘要： An optical apparatus includes a light emitting device and a substrate. The light emitting device includes a base including a main body portion containing a ceramic material and wire portions exposed from the main body portion on the lower surface of the base, a lid portion fixed to the base so that a hermetically sealed space is defined by the lid portion and the base, a first semiconductor laser element emitting blue light and provided in the hermetically sealed space, a second semiconductor laser element emitting red light and provided in the hermetically sealed space, a third semiconductor laser element emitting green light and provided in the hermetically sealed space, and a collimate lens arranged on paths of the blue light, the red light and the green light. The substrate includes first metallic films electrically connected with the base of the light emitting device via the wire portions.
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公开(公告)号：US20220006255A1
公开(公告)日：2022-01-06
申请号：US17478863
申请日：2021-09-17
申请人： NICHIA CORPORATION
发明人： Soichiro Miura , Tatsuya Kanazawa
IPC分类号： H01S5/00 , H01S5/02208 , H01S5/02255 , H01S5/40 , H01S5/02253
摘要： A light emitting device includes a base, a first semiconductor laser element, a second semiconductor laser element, a lens member, and a waveplate. The base has a bottom part. The first semiconductor laser element is disposed on the bottom part of the base. The second semiconductor laser element is disposed on the bottom part of the base. The second semiconductor laser element has a different polarization direction from a polarization direction of the first semiconductor laser element. The lens member is a member into which light beams from the first semiconductor element and the second semiconductor laser element enter. The waveplate is configured to change the polarization direction of light from the first semiconductor laser element.
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公开(公告)号：US10920937B2
公开(公告)日：2021-02-16
申请号：US16259989
申请日：2019-01-28
申请人： NICHIA CORPORATION
发明人： Tadayuki Kitajima , Soichiro Miura
IPC分类号： F21V7/10 , F21K9/64 , F21V13/10 , F21V11/16 , H01S5/00 , H01S5/022 , F21Y115/30 , H01S5/02216 , H01S5/40
摘要： A light emitting device includes: a base; a first semiconductor laser element disposed on an upper surface of the base and configured to emit first light; a first light reflecting member disposed on the upper surface of the base and configured to reflect the first light upwards; a phosphor member having a lower surface onto which the first light is irradiated and an upper surface serving as a light extraction surface; and a light shielding member surrounding lateral surfaces of the phosphor member. First and second regions of the first light reflecting member are formed such that a portion of the light reflected by the first region that is reflected on a side close to the second region and a portion of the light reflected by the second region that is reflected on a side close to the first region intersect before reaching the lower surface of the phosphor member.
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公开(公告)号：US10658811B2
公开(公告)日：2020-05-19
申请号：US16129045
申请日：2018-09-12
申请人： NICHIA CORPORATION
摘要： An optical component for optical semiconductor includes a wavelength converting member including a fluorescent part having an upper surface, a lower surface, and one or more lateral surfaces, and containing a fluorescent material, and a light-reflecting part disposed adjacently surrounding the one or more lateral surfaces of the fluorescent part when viewed from above, and a light-transmissive member disposed below the wavelength converting member. A dielectric multilayer film is disposed on an upper surface of the light-transmissive member at least at a region facing the fluorescent part, the dielectric multilayer film is configured to transmit excitation light incident from below the light-transmissive member and to reflect fluorescent light emitted from the fluorescent part. Further, a space is formed between the fluorescent part and the dielectric multilayer film, and the light-reflecting part and the light-transmissive member are connected by a connecting member made of a metal material. A light emitting device including the optical component and a method of manufacturing the optical component are also provided.
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公开(公告)号：US10439358B2
公开(公告)日：2019-10-08
申请号：US15496846
申请日：2017-04-25
申请人： NICHIA CORPORATION
发明人： Soichiro Miura , Seiji Kiyota , Eiichiro Okahisa
摘要： A method of manufacturing a light-emitting device includes providing a base body including a base section; fixing a plurality of semiconductor laser elements on an upper surface of the base section; and fixing an optical member to the base body, the optical member including a plurality of lens sections, and a non-lens section disposed at a periphery of the plurality of lens sections in a top view. In the step of fixing the optical member: the optical member is arranged above the base body; (i) an inclination and a height of the optical member are adjusted after interposing an adhesive between the base body and the non-lens section, or (ii) an adhesive is interposed between the base body and the non-lens section after adjusting the inclination and the height of the optical member; and subsequently, the adhesive is cured to fix the optical member to the base body.
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公开(公告)号：US11575243B2
公开(公告)日：2023-02-07
申请号：US17069299
申请日：2020-10-13
申请人： NICHIA CORPORATION
发明人： Soichiro Miura , Ryota Okuno
IPC分类号： H01S5/02326 , H01S5/02253
摘要： A light emitting device includes: a plurality of light emitting elements including a first light emitting element and a second light emitting element; a case enclosing the light emitting elements and comprising a light-transmissive region; a plurality of main lenses, each covering a portion of the light-transmissive region, the plurality of main lenses including a first main lens configured to collimate or converge light emitted from the first light emitting element and a second main lens configured to collimate or converge light emitted from the second light emitting element; and a plurality of sub-lenses disposed in the case, the plurality of sub-lenses including a first sub-lens located in an optical path between the first light emitting element and the first main lens, and a second sub-lens located in an optical path between the second light emitting element and the second main lens.
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公开(公告)号：US11569634B2
公开(公告)日：2023-01-31
申请号：US17111194
申请日：2020-12-03
申请人： NICHIA CORPORATION
发明人： Shota Murakami , Soichiro Miura
摘要： A light emitting device includes: a base having a first stepped portion and a second stepped portion; a light emitting element; an electronic member configured to be irradiated by light emitted from the light emitting element; a first wiring region located on the first stepped portion; a second wiring region located on the second stepped portion; wires connected to the light emitting element and the electronic member. The wires includes a first and second wires. The first wire has a first end that is connected to the first wiring region, and a second end. The second wire has a first end that is connected to the second wiring region, and a second end. A position of the second end of the first wire relative to the bottom face is lower than a position of the second end of the second wire relative to the bottom face.
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公开(公告)号：US11476638B2
公开(公告)日：2022-10-18
申请号：US16748246
申请日：2020-01-21
申请人： NICHIA CORPORATION
发明人： Soichiro Miura , Ryota Okuno
IPC分类号： H01S5/02345 , H01S5/02255 , H01S5/40 , H01S5/023 , H01S5/02315 , H01S5/0233 , H01S5/042 , H01S5/00
摘要： A light emitting device includes semiconductor laser elements, a frame part, a light-reflective member, a step part, metal films, wires, and a first protective element. The frame part surrounds a bottom surface on which the semiconductor laser elements are disposed. The light-reflective member is disposed on the bottom surface inside of a frame formed by the frame part. The step part is formed along a second inner lateral surface of the frame part, and disposed inside of the frame. The metal films are provided on an upper surface of the step part. The wires electrically connect the semiconductor laser elements respectively to the metal films. The first protective element is disposed on the upper surface of the step part and on a light traveling side of the laser light with respect to a plane including an emitting end surface of the first semiconductor laser element.
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公开(公告)号：US10566760B2
公开(公告)日：2020-02-18
申请号：US15939901
申请日：2018-03-29
申请人： NICHIA CORPORATION
发明人： Kazuma Kozuru , Soichiro Miura , Tatsuya Kanazawa
摘要： A light emitting device includes a base, a frame, one or more semiconductor laser elements, a cover member, an optical member fixed to the cover member via an adhesive member, and a pressing member. The adhesive member includes one or more first adhesive portion disposed between an upper surface of the cover member and a lower surface of the optical member, and two or more second adhesive portions respectively disposed at locations in contact with or spaced apart from the one or more first adhesive portions when viewed from above, in contact with the first inner lateral surface of the cover member and the lateral surface of the optical member.
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公开(公告)号：US11527864B2
公开(公告)日：2022-12-13
申请号：US17148843
申请日：2021-01-14
申请人： NICHIA CORPORATION
发明人： Tadayuki Kitajima , Soichiro Miura
IPC分类号： F21V7/10 , H01S5/02255 , F21K9/64 , F21V13/10 , F21V11/16 , H01S5/02257 , H01S5/00 , F21Y115/30 , H01S5/02216 , H01S5/40
摘要： A light emitting device includes: a base; a first semiconductor laser element disposed on an upper surface of the base and configured to emit first light; a first light reflecting member disposed on the upper surface of the base, the first light reflecting member having a first light reflecting face including a plane configured to reflect the first light; a second semiconductor laser element disposed on an upper surface of the base and configured to emit second light; a second light reflecting member disposed on the upper surface of the base, the second light reflecting member having a second light reflecting face including a plane configured to reflect the second light; and a phosphor member onto which the first light reflected from the first light reflecting member and the second light reflected from the second light reflecting member are irradiated.
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