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公开(公告)号：US10962412B2
公开(公告)日：2021-03-30
申请号：US16781664
申请日：2020-02-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyungsang Cho , Chanwook Baik
Abstract: A light filter includes a plurality of spectrum modulation portions, each having a different thicknesses or a different mixing ratio of materials thereof. Each of the plurality of spectrum modulation portions has a different transmittance spectrum.
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公开(公告)号：US10921618B2
公开(公告)日：2021-02-16
申请号：US16170573
申请日：2018-10-25
Inventor： Duhyun Lee , Ruzan Sokhoyan , Yu-Jung Lu , Ghazaleh Kafaie Shirmanesh , Harry Atwater , Ragip Pala , Chanwook Baik
Abstract: An optical modulating device may include a plurality of quantum dot (QD)-containing layers having QDs and a plurality of refractive index change layers. The QD-containing layers may be disposed between the refractive index change layers, respectively. The optical modulating device may be configured to modulate light-emission characteristics of the plurality of QD-containing layers. At least two of the QD-containing layers may have different central emission wavelengths. At least two of the plurality of refractive index change layers may include different materials or have different carrier densities.
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公开(公告)号：US10571332B2
公开(公告)日：2020-02-25
申请号：US15916914
申请日：2018-03-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyungsang Cho , Chanwook Baik
Abstract: A light filter includes a plurality of spectrum modulation portions, each having a different thicknesses or a different mixing ratio of materials thereof. Each of the plurality of spectrum modulation portions has a different transmittance spectrum.
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公开(公告)号：US10387709B2
公开(公告)日：2019-08-20
申请号：US15062347
申请日：2016-03-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jisoo Kyoung , Chanwook Baik , Jaesoong Lee
IPC: G06K9/00
Abstract: A security device using compressive imaging technology is provided. The security device includes a supporter configured to support a recognition object, a light source configured to irradiate light towards the recognition object, a mask configured to code light that is reflected from the recognition object, the coded light corresponding to an image of the recognition object, and a light receiver and processor configured to compress the coded light into a compressed image, and store the compressed image.
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公开(公告)号：US09577123B2
公开(公告)日：2017-02-21
申请号：US14535952
申请日：2014-11-07
Inventor： Unjeong Kim , Younggeun Roh , Jineun Kim , Soojin Park , Yeonsang Park , Chanwook Baik , Seungmin Yoo , Jaesoong Lee , Sangmo Cheon
IPC: H01L31/0352 , H01L31/028 , H01L31/0232
CPC classification number: H01L31/02327 , Y10T428/218 , Y10T428/24851
Abstract: Provided are nanostructures and optical devices having the nanostructures. The nanostructure may include a carbon nanomaterial layer, a nanopattern formed on the carbon nanomaterial layer, and a metal layer formed on a surface of the nanopattern. The nanostructure may be formed in a ring shape, and the metal layer may include a plurality of metal layers formed of different metals.
Abstract translation: 提供具有纳米结构的纳米结构和光学器件。 纳米结构可以包括碳纳米材料层，形成在碳纳米材料层上的纳米图案，以及形成在纳米图案的表面上的金属层。 纳米结构可以形成为环形，并且金属层可以包括由不同金属形成的多个金属层。
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Patent Agency Ranking
公开(公告)号：US20220262968A1
公开(公告)日：2022-08-18
申请号：US17459686
申请日：2021-08-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chanwook Baik , Kyungsang Cho , Hojung Kim , Yooseong Yang
IPC: H01L31/0384 , H01L31/112 , H01L31/113 , H01L27/146 , H01L31/0216
Abstract: An opto-electronic device includes a base portion, a first electrode and a second electrode formed on an upper surface of the base portion apart from each other, a quantum dot layer, and a bank structure. The quantum dot layer is between the first electrode and the second electrode on the base portion and includes a plurality of quantum dots. The bank structure covers at least partial regions of the first electrode and the second electrode, defines a region where the quantum dot layer is formed, and is formed of an inorganic material.
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公开(公告)号：US11316275B2
公开(公告)日：2022-04-26
申请号：US16805091
申请日：2020-02-28
Inventor： Chanwook Baik , Payam Heydari , Peyman Nazari
Abstract: An electromagnetic wave radiator may include: a first metal layer; a plurality of metal side walls vertically protruding along an edge of the first metal layer; and a second metal layer suspended over the first metal layer. The second metal layer includes a plurality of ports radially extending from edges of the second metal layer and a plurality of slots penetrating the second metal layer in a radial direction.
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公开(公告)号：US11302740B2
公开(公告)日：2022-04-12
申请号：US16930574
申请日：2020-07-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kyungsang Cho , Chanwook Baik , Hojung Kim
IPC: H01L31/0352 , H01L31/0384 , H01L31/112 , H01L27/146
Abstract: Provided is an opto-electronic device having low dark noise and a high signal-to-noise ratio. The opto-electronic device may include: a first semiconductor layer doped to have a first conductivity type; a second semiconductor layer disposed on an upper surface of the first semiconductor layer and doped to have a second conductivity type electrically opposite to the first conductivity type; a transparent matrix layer disposed on an upper surface of the second semiconductor layer; a plurality of quantum dots arranged to be in contact with the transparent matrix layer; and a first electrode provided on a first side of the transparent matrix layer and a second electrode provided on a second side of the transparent matrix layer opposite to the first side, wherein the first electrode and the second electrode are electrically connected to the second semiconductor layer.
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公开(公告)号：US11204514B2
公开(公告)日：2021-12-21
申请号：US16156628
申请日：2018-10-10
Inventor： Duhyun Lee , Ruzan Sokhoyan , Yu-Jung Lu , Ghazaleh Kafaie Shirmanesh , Harry Atwater , Ragip Pala , Chanwook Baik
IPC: G02F1/03 , G02F1/017 , G02F1/13357 , G02F1/015
Abstract: Provided is a quantum dot (QD) light modulator and an apparatus including the QD light modulator. The QD light modulator may include a QD-containing layer including QDs having light-emission characteristics, a refractive index change layer arranged adjacent to the QD-containing layer, and a reflector arranged facing the QD-containing layer. The refractive index change layer may include a carrier density change area in which a carrier density changes, and the carrier density change area may be arranged adjacent to the QD-containing layer. The light-emission characteristics of the QD-containing layer may be modulated according to a change in a property of the refractive index change layer. The QD light modulator may further include a nano-antenna structure arranged on the QD-containing layer.
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公开(公告)号：US10568527B2
公开(公告)日：2020-02-25
申请号：US14844437
申请日：2015-09-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Youngzoon Yoon , Jaesoong Lee , Jisoo Kyoung , Younggeun Roh , Yeonsang Park , Chanwook Baik
IPC: A61B5/021 , A61B5/0295 , A61B5/00 , A61B5/026 , A61B5/024
Abstract: A method of monitoring a blood pressure includes: emitting a laser to a blood vessel in a body part; detecting, from the body part, laser speckles caused by scattering of the emitted laser; obtaining a bio-signal indicating a change in a volume of the blood vessel by using the detected laser speckles; and estimating a blood pressure based on the obtained bio-signal.
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