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公开(公告)号：US20210191024A1
公开(公告)日：2021-06-24
申请号：US16077800
申请日：2017-03-23
Applicant: DEXERIALS CORPORATION
Inventor： Shunichi KAJIYA , Kyoko SAKURAI , Katsuhiro DOI , Kazuya HAYASHIBE , Naoki HANASHIMA , Naoto KANEKO
Abstract: There is provided a light emitting device that can be used as a light guide plate and has an excellent antireflection function to extraneous light, and an optical body includes: a base material; a macro concave-convex structure that is formed on one surface of the base material and emits internally propagating light that is injected in an inside of the base material from a side surface of the base material, from another surface of the base material; and a micro concave-convex structure formed periodically to follow each of both surfaces of the base material and a surface of the macro concave-convex structure, and having an average period of concavity and convexity of less than or equal to a wavelength of visible light. The surface of the macro concave-convex structure has an inclined surface, and an arrangement of the micro concave-convex structure is a zigzag arrangement.
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公开(公告)号：US20240269756A1
公开(公告)日：2024-08-15
申请号：US18567121
申请日：2022-05-27
Applicant: Dexerials Corporation
Inventor： Kazuhiko NODA , Katsuhiro DOI , Junichi SASAKI , Asahiko NOGAMI , Kyoko SAKURAI
CPC classification number: B23C3/02 , B29C33/3842 , B29C59/046 , B29K2033/04 , B29L2011/0016
Abstract: A roll manufacturing apparatus includes a rotary device including a rotary encoder, a cutting tool stage that holds a spindle unit, which includes a rotatable cutting blade, reciprocatably in a radial direction of a roll and is movable in the radial direction of the roll, a signal generator that generates, based on signals output from the rotary encoder, a control waveform indicating a movement pattern to reciprocate the cutting blade at positions corresponding to predetermined cutting portions, and a controller that moves the cutting tool stage so that a cutting process of reciprocating the cutting blade in the radial direction of the roll while rotating the cutting blade, according to the control waveform, to perform cutting once or multiple times with the cutting blade at a predetermined cutting depth is performed multiple times.
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公开(公告)号：US20200094430A1
公开(公告)日：2020-03-26
申请号：US16574477
申请日：2019-09-18
Applicant: Dexerials Corporation
Inventor： Kazuhiko NODA , Katsuhiro DOI , Asahiko NOGAMI , Kyoko SAKURAI
Abstract: A new and improved microfabrication device, microfabrication method, transfer mold, and transfer object that can suppress a defect are provided. A microfabrication device comprises a tool mounting portion, a predetermined cutting tool, an oscillator, and a controller, wherein the controller performs a cutting process to satisfy at least one of: a cutting condition (1) that oscillations at a start point and an end point of each set are in phase with each other; and a cutting condition (2) that oscillations of the sets are in phase with each other.
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公开(公告)号：US20190211978A1
公开(公告)日：2019-07-11
申请号：US16335126
申请日：2017-09-27
Applicant: DEXERIALS CORPORATION
Inventor： Masanao KIKUCHI , Shunichi KAJIYA , Asahiko NOGAMI , Kyoko SAKURAI , Kazuya HAYASHIBE
Abstract: There is provided a new and improved optical body, a new and improved method for manufacturing an optical body, and a new and improved light emitting device that can emit light derived from a light source in more various manners. The optical body includes: a base material; and a first concave-convex structure that is formed on at least one surface of the base material and that extracts internally propagating light that is injected into an inside of the base material from a side surface of the base material. An average period of concavity and convexity of the first concave-convex structure is more than or equal to a minimum value of a visible light wavelength band and less than or equal to 10 μm.
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公开(公告)号：US20230045020A1
公开(公告)日：2023-02-09
申请号：US17937779
申请日：2022-10-04
Applicant: Dexerials Corporation
Inventor： Kazuhiko NODA , Katsuhiro DOI , Asahiko NOGAMI , Kyoko SAKURAI
Abstract: A transfer object comprises a substrate having one or more fine concave portions formed on a surface thereof. At least one of a sidewall and a bottom of each fine concave portion has an oscillation waveform satisfying at least one of the following oscillation waveform conditions: the oscillation waveform is continuous; the oscillation waveform is a composite waveform of a plurality of oscillation waveforms, and the plurality of oscillation waveforms are in phase with each other; fine concave portions of a plurality of rows are formed on the substrate, and oscillation waveforms of adjacent fine concave portions are in phase with each other; and fine concave portions of a plurality of rows are formed on the substrate, and oscillation waveforms of the fine concave portions are in phase with each other for every two pitches.
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Patent Agency Ranking
公开(公告)号：US20230025421A1
公开(公告)日：2023-01-26
申请号：US17784685
申请日：2020-12-08
Applicant: DEXERIALS CORPORATION
Inventor： Kazuhiko NODA , Katsuhiro DOI , Kyoko SAKURAI , Asahiko NOGAMI , Mitsuo ARIMA
Abstract: A method for manufacturing a roll mold by cutting a roll, includes generating a control waveform based on a signal corresponding to a rotary position of the roll, and making a plurality of cuts on a surface of the roll by, while the roll is rotated, reciprocating a cutting blade in a radial direction of the roll in accordance with the control waveform. Making the plurality of cuts includes at each of a plurality of predetermined locations, making a predetermined number of cuts of predetermined depth based on the control waveform. Generating the control waveform includes generating a control waveform dictating that, when multiple cuts are made at a predetermined location, each subsequent cut will have a smaller depth than a preceding cut.
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公开(公告)号：US20230015044A1
公开(公告)日：2023-01-19
申请号：US17784695
申请日：2020-12-08
Applicant: DEXERIALS CORPORATION
Inventor： Kazuhiko NODA , Katsuhiro DOI , Kyoko SAKURAI , Asahiko NOGAMI , Mitsuo ARIMA
Abstract: A method for manufacturing a roll mold by cutting a roll, includes generating a control waveform based on a signal corresponding to a rotary position of the roll, and making a plurality of cuts on a surface of the roll by, while the roll is rotated, reciprocating a cutting blade in a radial direction of the roll in accordance with the control waveform. Making the plurality of cuts includes at each of a plurality of predetermined locations, making a predetermined number of cuts of predetermined depth based on the control waveform. Generating the control waveform includes generating a control waveform dictating that the predetermined locations, the predetermined depths, or both are randomly selected. Generating the control waveform includes generating a control waveform dictating that, when multiple cuts are made at a predetermined location, each subsequent cut will have a smaller depth than a preceding cut.
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公开(公告)号：US20250006772A1
公开(公告)日：2025-01-02
申请号：US18688796
申请日：2022-08-25
Applicant: DEXERIALS CORPORATION
Inventor： Yuina KOKAI , Kyoko SAKURAI
IPC: H01L27/146
Abstract: Generation of outgassing is restrained to restrain deterioration in optical properties of a cover glass. A method for manufacturing an electronic device includes baking step of heating the cover glass on which an antireflection layer made of a cured product of a light-curing resin has been formed, an assembling step of installing the cover glass after the baking step at a position opposed to a light receiving surface of a sensor element to assemble a sensor module, and a reflow step of placing the sensor module on a mounting substrate and applying heat at a temperature of more than or equal to 250° C. to solder the sensor module to the mounting substrate. The baking step is performed before the reflow step to make a rate of generation of outgassing derived from a monomer having a monofunctional (meth)acryloyl group in outgassing generated from the antireflection layer of the cover glass in the reflow step less than or equal to 0.5% by mass relative to a mass of the antireflection layer.
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公开(公告)号：US20220347879A1
公开(公告)日：2022-11-03
申请号：US17812445
申请日：2022-07-14
Applicant: Dexerials Corporation
Inventor： Kazuhiko NODA , Katsuhiro DOI , Asahiko NOGAMI , Kyoko SAKURAI
Abstract: A transfer mold comprises a substrate having one or more fine concave portions formed on a surface thereof. At least one of a sidewall and a bottom of each fine concave portion has an oscillation waveform satisfying at least one of the following oscillation waveform conditions: (1) the oscillation waveform is continuous; (2) the oscillation waveform is a composite waveform of a plurality of oscillation waveforms, and the plurality of oscillation waveforms are in phase with each other; (3) fine concave portions of a plurality of rows are formed on the substrate, and oscillation waveforms of adjacent fine concave portions are in phase with each other; and (4) fine concave portions of a plurality of rows are formed on the substrate, and oscillation waveforms of the fine concave portions are in phase with each other for every two pitches.
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公开(公告)号：US20220196884A1
公开(公告)日：2022-06-23
申请号：US17691527
申请日：2022-03-10
Applicant: DEXERIALS CORPORATION
Inventor： Shunichi KAJIYA , Asahiko NOGAMI , Kyoko SAKURAI , Kazuya HAYASHIBE
IPC: G02B1/118
Abstract: There is provided an optical body and a display device that enable wavelength dependence of a reflectance to be reduced and reflection of incident light to be further suppressed, the optical body including: a concave-convex structure formed on a surface of a base material. An average period of concavities and convexities of the concave-convex structure is equal to or shorter than a wavelength belonging to a visible light band. A standard deviation of differences between respective positions of bottom faces of the concavities of the concave-convex structure in a normal direction of a flat surface of the base material and a median of the positions of the bottom faces is greater than or equal to 25 nm.
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