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公开(公告)号：US20170104071A1
公开(公告)日：2017-04-13
申请号：US15070484
申请日：2016-03-15
发明人： Unjeong KIM , Younggeun ROH , Yeonsang PARK , Chihun IN , Hyunyong CHOI
IPC分类号： H01L29/16 , H01L29/45 , G02F1/015 , H01L29/786
CPC分类号： H01L29/1606 , B82Y30/00 , G02B1/002 , G02F1/0121 , G02F1/015 , G02F1/0316 , H01L21/02318 , H01L29/42384 , H01L29/45 , H01L29/4908 , H01L29/78603 , H01L29/78684 , H01L31/035281 , H01L31/03529 , H01L31/101 , Y02E10/50
摘要： A graphene device and a method of operating the same are provided. The graphene device includes: an active layer including a plurality of meta atoms spaced apart from each other, each of the meta atoms having a radial shape, and a graphene layer that contacts each of the plurality of meta atoms; and a dielectric layer covering the active layer.
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公开(公告)号：US20200271843A1
公开(公告)日：2020-08-27
申请号：US16676027
申请日：2019-11-06
发明人： Unjeong KIM , Yeonsang Park , Seungwan Cho , Hyunyong Choi , Younggeun Roh , Chihun In
摘要： Provided are a quarter wave plate, a method of manufacturing the quarter wave plate, and a detection apparatus including the quarter wave plate. The quarter wave plate includes a transparent substrate, and a plurality of meta-patterns provided on the transparent substrate, wherein the plurality of meta-patterns are configured to convert linearly polarized light incident thereon into circularly polarized light.
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公开(公告)号：US20180138231A1
公开(公告)日：2018-05-17
申请号：US15805743
申请日：2017-11-07
发明人： Unjeong KIM , Younggeun ROH , Jaeseok KIM , Chihun IN , Hyunyong CHOI , Jaehyun KWON
IPC分类号： H01L27/146 , H01L31/08 , H01L43/08 , H01L31/0232 , H01L31/0296
CPC分类号： H01L27/14649 , H01F1/0009 , H01L27/1462 , H01L27/14625 , H01L29/785 , H01L31/0232 , H01L31/028 , H01L31/0296 , H01L31/08 , H01L31/09 , H01L31/112 , H01L43/08 , H01L49/006 , Y02E10/547
摘要： An optical sensor is disclosed. The optical sensor may include a substrate, a topological insulator layer formed on the substrate, an oxide layer formed on the topological insulator layer, a graphene layer stacked on the oxide layer, and a dielectric layer covering the graphene layer.
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公开(公告)号：US20220191432A1
公开(公告)日：2022-06-16
申请号：US17366695
申请日：2021-07-02
发明人： Suyeon LEE , Jeongsu HAN , Unjeong KIM , Hyungbin SON , Junhoe CHOI
摘要： Provided is a food monitoring apparatus including at least one light source configured to selectively radiate light of a first wavelength band and light of a second wavelength band that is different from the first wavelength band to food, at least one image sensor configured to obtain a visible image of the food and a hyperspectral image of the food based on light scattered, emitted, or reflected from the food, and at least one processor configured to obtain first information of the food based on the visible image, and to obtain second information of the food based on the first information and the hyperspectral image.
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公开(公告)号：US20240094053A1
公开(公告)日：2024-03-21
申请号：US18120781
申请日：2023-03-13
发明人： Suyeon LEE , Q-Han PARK , Unjeong KIM , Hojung KIM , Hyunjun MA
CPC分类号： G01J3/2823 , G01J3/0202 , G01J3/0278 , G01J3/0294 , G01J3/0256 , G01J2003/2826
摘要： Provided are a spectral camera and an electronic apparatus including the same. The spectral camera includes an image sensor including a plurality of channels configured to detect a plurality of central wavelengths; an optical module configured to be movable with respect to the image sensor to provide an image of an object on the image sensor; a memory configured to store first information about a change in an optical characteristic of each of the plurality of channels in the image sensor, the change in the optical characteristic of each of the plurality of channels corresponding to a movement of the optical module; and a processor configured to: obtain the first information from the memory, obtain second information corresponding to the plurality of central wavelengths detected by the image sensor, and obtain third information by correcting the second information based on the first information.
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公开(公告)号：US20190115723A1
公开(公告)日：2019-04-18
申请号：US15941823
申请日：2018-03-30
发明人： Jineun KIM , Unjeong KIM , Hyochul KIM , Yeonsang PARK , Moonil Jung
摘要： A tunable laser device is provided. The tunable laser device includes an active layer configured to generate first light by a first source; first and second reflective layers spaced apart from each other having the active layer disposed between the first reflective layer and the second reflective layer to form a resonance cavity; and a variable refractive index unit in the resonance cavity and having a refractive index being variable according to a second source, the second source being different from the first source.
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公开(公告)号：US20220397391A1
公开(公告)日：2022-12-15
申请号：US17887924
申请日：2022-08-15
发明人： Suyeon LEE , Unjeong KIM , Hyuck CHOO , Seungju Han , Hyochul KIM
摘要： An object recognition apparatus includes a first spectrometer configured to obtain a first type of spectrum data from light scattered, emitted, or reflected from an object; a second spectrometer configured to obtain a second type of spectrum data from the light scattered, emitted, or reflected from the object, the second type of spectrum data being different from the first type of spectrum data; an image sensor configured to obtain image data of the object; and a processor configured to identify the object using data obtained from at least two from among the first spectrometer, the second spectrometer, and the image sensor and using at least two pattern recognition algorithms.
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公开(公告)号：US20220091087A1
公开(公告)日：2022-03-24
申请号：US17479377
申请日：2021-09-20
发明人： Unjeong KIM , Hyungbin SON , Suyeon LEE
摘要： Provided is a meat inspection apparatus including a light source configured to emit a plurality of inspection lights to a plurality of regions of meat, respectively, a light detector configured to generate a plurality of emission spectrum signals based on measuring a plurality of fluorescences emitted from the plurality of regions, and a processor configured to receive the plurality of emission spectrum signals from the light detector, generate hyperspectral images of the meat based on the plurality of emission spectrum signals, and obtain a state of the meat based on the hyperspectral images, wherein the processor is further configured to obtain the state of the meat for a plurality of sub-regions in each of the plurality of regions.
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公开(公告)号：US20210223031A1
公开(公告)日：2021-07-22
申请号：US16952959
申请日：2020-11-19
发明人： Suyeon LEE , Unjeong KIM , Hyuck CHOO , Seungju Han , Hyochul KIM
摘要： An object recognition apparatus includes a first spectrometer configured to obtain a first type of spectrum data from light scattered, emitted, or reflected from an object; a second spectrometer configured to obtain a second type of spectrum data from the light scattered, emitted, or reflected from the object, the second type of spectrum data being different from the first type of spectrum data; an image sensor configured to obtain image data of the object; and a processor configured to identify the object using data obtained from at least two from among the first spectrometer, the second spectrometer, and the image sensor and using at least two pattern recognition algorithms.
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公开(公告)号：US20190064072A1
公开(公告)日：2019-02-28
申请号：US16034609
申请日：2018-07-13
发明人： Unjeong KIM , Jinyoung PARK , Sungmo AHN , Younggeun ROH , Hongseok LEE
摘要： A collection optics system for a spectrometer and a Raman spectral system including the collection optics system is provided. The collection optics system is configured to selectively collect a Raman signal from scattered light output from a target object, the collection optics system includes a non-imaging collection unit configured to collect the Raman signal and output the Raman signal, the non-imaging collection unit including an entrance surface on which the scattered light is incident and an exit surface through which the Raman signal is output, and a Raman filter provided on a portion of the entrance surface of the non-imaging collection unit and configured to block the scattered light including a fluorescence signal. Therefore, the collection optics system may suppress reception of the fluorescence signal of the scattered light and selectively collect the Raman signal.
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