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1.
公开(公告)号:US12104948B2
公开(公告)日:2024-10-01
申请号:US18232506
申请日:2023-08-10
Inventor: Jonghwa Shin , Taeyong Chang , Joonkyo Jung
CPC classification number: G01J1/0407 , G01J4/00 , G01J9/02 , G02B21/0092
Abstract: An optical measurement device according to an aspect of the present disclosure includes a universal metasurface on which light is incident, a polarization sensor configured to measure a polarization state of light passing through the universal metasurface, and a controller configured to collect a quantitative differential interference contrast (QDIC) image for the x polarization of incident light that is collected by the polarization sensor, a QDIC image for y polarization, and a quantitative relative phase (QRP) image representing a relative phase difference between the x polarization and y polarization and configured to calculate intensity, a phase or polarization information of the incident light.
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2.
公开(公告)号:US11873440B2
公开(公告)日:2024-01-16
申请号:US17231619
申请日:2021-04-15
Inventor: Jonghwa Shin , Suwan Jeon
IPC: C09K5/00
CPC classification number: C09K5/00 , F28F2245/06
Abstract: The present disclosure relates to a radiative cooling device which is sensitive to the ambient temperature and in which the emissivity changes depending on the infrared wavelength range and emission angle, and a method of cooling an object using the radiative cooling device.
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公开(公告)号:US20190049632A1
公开(公告)日:2019-02-14
申请号:US16021408
申请日:2018-06-28
Inventor: Jonghwa Shin , Taeyong Chang
IPC: G02B3/08
Abstract: The present disclosure provides a planar metalens and a cover glass including the planar metalens.
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公开(公告)号:US11150387B2
公开(公告)日:2021-10-19
申请号:US16021408
申请日:2018-06-28
Inventor: Jonghwa Shin , Taeyong Chang
Abstract: The present disclosure provides a planar metalens and a cover glass including the planar metalens.
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公开(公告)号:US10295885B2
公开(公告)日:2019-05-21
申请号:US15927601
申请日:2018-03-21
Inventor: Jonghwa Shin , Yong-Hee Lee , Tae Yong Chang
IPC: G02F1/355 , H01L21/027 , H01L29/06 , G01N21/41 , G01N33/53 , G02B1/02 , G02B3/00 , G02B5/18 , G02F1/01 , G02F1/35
Abstract: A wideband ultra-high refractive index mesoscopic crystal structure including: a first layer with high-conductivity unit bodies arranged in a matrix form, and a low-conductivity material disposed between the high-conductivity unit bodies; a second layer with high-conductivity unit bodies arranged in a matrix form, and a low-conductivity material disposed between the high-conductivity unit bodies; a first shield layer existing between the first and second layers and made of a low-conductivity material; and a second shield layer made of a low-conductivity material disposed on a side of the second layer such that the second layer is disposed between the first shield layer and the second shield layer, wherein the high-conductivity unit bodies in the first layer overlap the high-conductivity unit bodies arranged in the second layer, and wherein the first layer, the first shield layer, the second layer, and the second shield layer are sequentially stacked one or more times.
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公开(公告)号:US20180275486A1
公开(公告)日:2018-09-27
申请号:US15927601
申请日:2018-03-21
Inventor: Jonghwa Shin , Yong-Hee Lee , Tae Yong Chang
CPC classification number: G02F1/3551 , G01N21/41 , G01N33/53 , G02B1/005 , G02B1/02 , G02B3/0087 , G02B5/18 , G02F1/0126 , G02F1/3515 , G02F1/3556 , G02F2202/06 , G02F2203/01 , G02F2203/02 , H01L29/06
Abstract: A wideband ultra-high refractive index mesoscopic crystal structure using space-filling of an electric dipole according to one aspect of the present disclosure includes: a first layer in which a plurality of high-conductivity unit bodies is arranged in a matrix form, and a low-conductivity material is disposed between the high-conductivity unit bodies to insulate the high-conductivity unit bodies from each other; a second layer in which a plurality of high-conductivity unit bodies is arranged in a matrix form, and a low-conductivity material is disposed between the high-conductivity unit bodies to insulate the high-conductivity unit bodies from each other, the second layer being adjacent to the first layer; and a shield layer existing between the first and second layers and made of a low-conductivity material, wherein the high-conductivity unit bodies in the first layer overlap the plurality of high-conductivity unit bodies arranged in the second layer, and a stack in which the first layer, the shield layer, the second layer, and the shield layer are sequentially stacked is repeated one or more times.
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公开(公告)号:US11693237B2
公开(公告)日:2023-07-04
申请号:US17519347
申请日:2021-11-04
Inventor: Jeongyub Lee , Reehyang Kim , Jonghwa Shin , Kiyeon Yang , Yongsung Kim , Jaekwan Kim , Changseung Lee , Narae Han
CPC classification number: G02B27/0025 , G02B1/002 , G02B3/02 , G02B5/0825
Abstract: A phase shifting device may include a plurality of metal layers and a plurality of first dielectric layers, a metal layer of the plurality of metal layers and a first dielectric layer of the plurality of first dielectric layers being alternately stacked in a first direction, and a second dielectric layer disposed on a side surface of the stacked structure in a second direction, wherein the first dielectric layer includes a first material having a first dielectric constant and the second dielectric layer includes a second material having a second dielectric constant, and wherein the second dielectric constant is greater than the first dielectric constant.
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公开(公告)号:US11194153B2
公开(公告)日:2021-12-07
申请号:US16421857
申请日:2019-05-24
Inventor: Jeongyub Lee , Reehyang Kim , Jonghwa Shin , Kiyeon Yang , Yongsung Kim , Jaekwan Kim , Changseung Lee , Narae Han
Abstract: Provided in a phase shifting device including a plurality of metal layers and a plurality of first dielectric layers, a metal layer of the plurality of metal layers and a first dielectric layer of the plurality of first dielectric layers being alternately stacked in a first direction, and a second dielectric layer disposed on a side surface of the stacked structure in a second direction, wherein the first dielectric layer includes a first material having a first dielectric constant and the second dielectric layer includes a second material having a second dielectric constant, and wherein the second dielectric constant is greater than the first dielectric constant.
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