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公开(公告)号：US20240272421A1
公开(公告)日：2024-08-15
申请号：US18406332
申请日：2024-01-08
Applicant: TDK CORPORATION
Inventor： Hideaki FUKUZAWA , Tomohito MIZUNO , Tsuyoshi KOMAKI , Ardalan HESHMATI , Kit Chu LAM
CPC classification number: G02B26/101 , G02B26/0833 , G02B27/0172 , G02B2027/0178
Abstract: An optical module for displaying an image: a laser light source part with laser light emitting elements emitting laser lights having different peak wavelengths; a mirror part with an optical scanning mirror element on a second substrate integrated with the first substrate; a laser drive control part individually and independently controlling an intensity of laser light from the laser light emitting elements; a mirror drive control part controlling swinging of the optical scanning mirror element; a memory storing a lookup table that is an array of correspondence relations between each swing position of the optical scanning mirror element and a projection position of laser light from the laser light emitting elements on the image display surface; and a system control part controlling the laser drive control part and the mirror drive control part so as to control the mirror drive control part based on the lookup table.
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公开(公告)号：US20240255828A1
公开(公告)日：2024-08-01
申请号：US18018387
申请日：2021-07-30
Applicant: TDK CORPORATION
Inventor： Takashi KIKUKAWA , Tsuyoshi KOMAKI , Hideaki FUKUZAWA , Hiroki HARA
CPC classification number: G02F1/2255 , G02F1/212 , G02F1/035
Abstract: A visible light modulation device includes a light source part having a plurality of optical semiconductor devices configured to emit light with a visible light wavelength of 400 nm to 700 nm, and a light modulation output part having three Mach-Zehnder type optical waveguides consisting of a convex fabricated lithium niobate film, and being configured so that light emitted from each of the plurality of optical semiconductor devices is incident on the corresponding Mach-Zehnder type optical waveguide.
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公开(公告)号：US20240151919A1
公开(公告)日：2024-05-09
申请号：US18411575
申请日：2024-01-12
Applicant: TDK CORPORATION
Inventor： Tetsuya SHIBATA , Hideaki FUKUZAWA , Tomohito MIZUNO , Masahiro SHINKAI
CPC classification number: G02B6/4296 , G02B6/4274 , G02B6/43
Abstract: This optical device includes at least one magnetic element including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, a laser diode, and a waveguide, in which the waveguide includes at least one input waveguide optically connected to the laser diode and an output waveguide connected to the input waveguide, and at least some of light propagating in at least one of the input waveguide and the output waveguide is applied to the magnetic element.
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公开(公告)号：US20240142787A1
公开(公告)日：2024-05-02
申请号：US18383642
申请日：2023-10-25
Applicant: TDK CORPORATION
Inventor： Hideaki FUKUZAWA , Tsuyoshi KOMAKI , Ardalan HESHMATI
CPC classification number: G02B27/18 , G02B5/005 , G02B6/4257 , G02B26/101 , G02B27/0172 , G02B26/0833
Abstract: A laser module includes a laser light source, a package in which the laser light source is housed and a light transmission window through which laser light output from the laser light source can be optically transmitted is provided on a wall portion, and an output light aperture provided inside or outside of the package and arranged in a traveling direction of the laser light to adjust an area of a passage port of the laser light.
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公开(公告)号：US20240103277A1
公开(公告)日：2024-03-28
申请号：US18373007
申请日：2023-09-26
Applicant: TDK CORPORATION
Inventor： Hideaki FUKUZAWA , Tomohito MIZUNO , Tetsuya SHIBATA , Tsuyoshi KOMAKI
CPC classification number: G02B27/0172 , G02B6/12004 , G02B6/12007 , G02B6/125 , G02B27/0093 , H10N50/10 , G02B2006/12104 , G02B2027/0178
Abstract: This optical waveguide detection element includes a substrate, an optical waveguide layer formed on the substrate, and a photodetector. The optical waveguide layer includes a first optical waveguide in which visible light having a wavelength of 380 nm to 800 nm propagates, a second optical waveguide in which near-infrared light having a wavelength of 801 nm to 2000 nm propagates, and a third optical waveguide in which light propagates to a light receiving surface of the photodetector. A visible light output port of the first optical waveguide from which the visible light is output, a near-infrared light output port of the second optical waveguide from which the near-infrared light is output, and a reflected light input port of the third optical waveguide to which the near-infrared light is reflected and returned are arranged on one end surface of the optical waveguide layer.
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Patent Agency Ranking
公开(公告)号：US20230333022A1
公开(公告)日：2023-10-19
申请号：US18133261
申请日：2023-04-11
Applicant: TDK CORPORATION
Inventor： Hideaki FUKUZAWA , Tomohito MIZUNO , Tetsuya SHIBATA
IPC: G01N21/65
CPC classification number: G01N21/65 , G01N2201/06113
Abstract: An analysis device includes: at least one magnetic element having a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer; and a light source configured to emit a light, wherein the light is applied to an object to be analyzed, and the at least one magnetic element is configured to detect a reflected light reflected by the object or a transmitted light transmitted through the object.
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公开(公告)号：US20220382181A1
公开(公告)日：2022-12-01
申请号：US17827252
申请日：2022-05-27
Applicant: TDK CORPORATION
Inventor： Kuniyasu ITO , Tsuyoshi KOMAKI , Hideaki FUKUZAWA
Abstract: A integrated light source module includes a planar optical waveguides layer having N light incident ports aligned with respect to each other, M light exit ports aligned with respect to each other, and optical waveguides connected to the N light incident ports and the M light exit ports, and N optical semiconductor devices facing each of the N light incident ports arranged so that light emitted from each of the N optical semiconductor devices can be incident on each of the N light incident ports, wherein light emitted from the M light exit ports can be applied to an object to be irradiated.
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公开(公告)号：US20220317397A1
公开(公告)日：2022-10-06
申请号：US17693558
申请日：2022-03-14
Applicant: TDK CORPORATION
Inventor： Tetsuya SHIBATA , Hideaki FUKUZAWA , Tomohito MIZUNO , Masahiro SHINKAI
Abstract: This optical device includes at least one magnetic element including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, a laser diode, and a waveguide, in which the waveguide includes at least one input waveguide optically connected to the laser diode and an output waveguide connected to the input waveguide, and at least some of light propagating in at least one of the input waveguide and the output waveguide is applied to the magnetic element.
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公开(公告)号：US20220178741A1
公开(公告)日：2022-06-09
申请号：US17507088
申请日：2021-10-21
Applicant: TDK CORPORATION
Inventor： Hideaki FUKUZAWA , Tomohito MIZUNO , Tetsuya SHIBATA
Abstract: A receiving device includes a magnetic element having a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, wherein the first ferromagnetic layer is configured to be irradiated with light containing an optical signal with a change of intensity of the light, and wherein the receiving device is configured to receive the optical signal on a basis of an output voltage from the magnetic element.
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公开(公告)号：US20220131020A1
公开(公告)日：2022-04-28
申请号：US17509730
申请日：2021-10-25
Applicant: TDK CORPORATION
Inventor： Tomohito MIZUNO , Takekazu YAMANE , Hideaki FUKUZAWA , Tetsuya SHIBATA
IPC: H01L31/0224 , H01L27/146 , H04B10/50 , H04B10/69 , H04B10/114
Abstract: An electrode structure includes: a metal film with an opening formed in a part of the metal film; and a transparent conductive film disposed in the opening, wherein the transparent conductive film is electronically connected to an element and overlaps with the element as viewed in a plan view in a thickness direction of the transparent conductive film.
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