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101.
公开(公告)号:US09897733B2
公开(公告)日:2018-02-20
申请号:US14614912
申请日:2015-02-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Seunghoon Han , Kanghee Won , Hongseok Lee
CPC classification number: G02B5/30 , B82Y20/00 , G02B5/3058 , G02B27/22 , G02B27/2214 , G02F1/134363 , G02F1/19 , G03H1/2294 , G03H2001/0224 , G03H2225/22 , Y10S977/952
Abstract: A spatial light modulator including an electrode having a nano-antenna structure, and a display apparatus including the spatial light modulator are provided. The spatial light modulator includes a refractive index changing layer, and a pixel electrode and a common electrode which are configured to apply an electric field to the refractive index changing layer, and at least one of the pixel electrode and the common electrode include a nano-antenna pattern structure configured to resonate light.
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公开(公告)号:US09632216B2
公开(公告)日:2017-04-25
申请号:US15010967
申请日:2016-01-29
Inventor: Seunghoon Han , Yao-Wei Huang , Harry A. Atwater , Ho Wai Lee , Ruzan Sohkoyan , Georgia Papadakis , Krishnan Thyagarajan
CPC classification number: G02B5/008 , G02F1/0018 , G02F1/01 , G02F1/19 , G02F1/292 , G02F2203/10 , G02F2203/11 , G02F2203/50
Abstract: An optical modulation device includes a plasmonic nano-antenna layer, a metal layer that faces the plasmonic nano-antenna layer, and a permittivity variation layer and a dielectric material layer between the plasmonic nano-antenna layer and the metal layer. An active area formed in the permittivity variation layer according to an external signal may function as a gate that controls optical modulation performance.
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公开(公告)号:US12174367B2
公开(公告)日:2024-12-24
申请号:US18343167
申请日:2023-06-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Sangeun Mun , Hyeonsoo Park , Hyunsung Park , Seunghoon Han
Abstract: A meta-optical device includes a plurality of phase modulation areas configured to modulate a phase of an incident light, each of the plurality of phase modulation areas including a plurality of nanostructures having a shape and an arrangement that are determined according to a respective rule set for each of the plurality of phase modulation areas; and a compensation area located between a kth phase modulation area and a (k+1)th phase modulation area adjacent to each other, from among the plurality of phase modulation areas, and including a compensation structure for buffering an effective refractive index change occurring in a boundary area between the kth phase modulation area and the (k+1)th phase modulation area according to respective rules of the kth phase modulation area and the (k+1)th phase modulation area, wherein N is a number of the plurality of phase modulation areas, k and N are natural numbers, and k is equal to or greater than 1 and less than N.
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公开(公告)号:US12066696B2
公开(公告)日:2024-08-20
申请号:US17400840
申请日:2021-08-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyeonsoo Park , Hyunsung Park , Seunghoon Han
CPC classification number: G02F1/0121 , G02B1/002 , G02F1/0018
Abstract: Provided is a meta-optical device exhibiting a target phase delay profile with respect to incident light of a predetermined wavelength band, the meta-optical device including: a first layer including a plurality of first nanostructures and a first surrounding material surrounding the plurality of first nanostructures, and having a first phase delay profile of a first tendency that is substantially equal to a tendency of the target phase delay profile; a second layer including a plurality of second nanostructures and a second surrounding material surrounding the plurality of second nanostructures, and having a second phase delay profile of a second tendency that is substantially opposite to the tendency of the target phase delay profile; and a third layer including a plurality of third nanostructures and a third surrounding material surrounding the plurality of third nanostructures, wherein the third layer is different from the second layer in terms of at least one of a material and an arrangement rule. The meta-optical device is capable of minimizing a primary dispersion and higher-order dispersions and thus may exhibit constant diffraction efficiency with respect to light of a wide wavelength band.
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公开(公告)号:US12066592B2
公开(公告)日:2024-08-20
申请号:US17152927
申请日:2021-01-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyunsung Park , Hyeonsoo Park , Seunghoon Han
CPC classification number: G02B1/002 , G01B11/24 , G02B5/1809 , G02B5/1871 , G02B2207/101
Abstract: Provided is a meta-optical device including a first layer including a plurality of first nanostructures and a first material disposed adjacent to the plurality of first nanostructures, a second layer disposed on the first layer, the second layer including a plurality of second nanostructures and a second material disposed adjacent to the plurality of second nanostructures, wherein the first layer and the second layer include regions in which signs of an effective refractive index change rate in a first direction are opposite to each other, and wherein the meta-optical device is configured to obtain a target phase delay profile with respect to incident light of a predetermined wavelength band.
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公开(公告)号:US11928797B2
公开(公告)日:2024-03-12
申请号:US17278471
申请日:2019-10-11
Applicant: Samsung Electronics Co., Ltd.
Inventor: Taehee Lee , Jihye Kim , Sahng-Gyu Park , Seunghoon Han
CPC classification number: G06T5/009 , G06T5/40 , G06T7/13 , G06T2207/20208 , G06T2207/20221 , G06T2207/30256
Abstract: Disclosed are an electronic device, and a method for controlling same. Particularly, the present disclosure relates to an electronic device, and a method for controlling same, which can secure high visibility of a subject by acquiring, from an original image, a plurality of sub images having a smaller bit number than the original image, and acquiring a synthesized image on the basis of information about the shapes of objects included in the plurality of sub images.
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公开(公告)号:US11852840B2
公开(公告)日:2023-12-26
申请号:US17241774
申请日:2021-04-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Seokil Moon , Sangeun Mun , Sunil Kim , Wontaek Seo , Geeyoung Sung , Bongsu Shin , Daeho Yang , Hongseok Lee , Seunghoon Han
CPC classification number: G02B27/286 , G02B27/0093 , G02B27/0172 , G02B26/0816 , G02B2027/0174 , G02B2027/0178
Abstract: A display device including a meta surface is provided. The display device includes an image provider comprising a spatial light modulator configured to modulate light according to image information, wherein the image provider is configured to provide the light comprising the image information; an optical element configured to focus the light from the image provider; and a meta surface deflector positioned between the image provider and the optical element to deflect the light, and change a deflection direction of the light according to a polarization of the light so that a first position of the light of a first polarization focused by the optical element is different than a second position of the light of a second polarization orthogonal to the first polarization focused by the optical element.
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公开(公告)号:US11815795B2
公开(公告)日:2023-11-14
申请号:US17980376
申请日:2022-11-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Seunghoon Han , Byunghoon Na , Jangwoo You
CPC classification number: G03B21/2033 , G02B6/27 , G02B27/0972 , G02F1/0136 , G03B21/142
Abstract: A structured light projector includes a light source configured to emit light, a structured light pattern mask configured to receive the light emitted by the light source and including a first region configured to generate a first structured light having a first polarization and a second region configured to generate a second structured light having a second polarization that is different from the first polarization, and a polarization multiplexing deflector configured to deflect the first structured light and the second structured light generated by the structured light pattern mask, to different directions, respectively.
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公开(公告)号:US20230358923A1
公开(公告)日:2023-11-09
申请号:US18224990
申请日:2023-07-21
Applicant: Samsung Electronics CO., LTD.
Inventor: Hyunsung PARK , Hyeonsoo PARK , Seunghoon Han
Abstract: A meta lens includes a first lens surface, and a second lens surface provided opposite to the first lens surface, wherein at least one of the first lens surface and the second lens surface is a metasurface including a plurality of nanostructures having a sub-wavelength dimension that is less than a central wavelength λ0 in an operation wavelength band of the meta lens, and wherein a deflection property of the first lens surface and a deflection property of the second lens surface based on positions of incident light are opposite to each other in at least some regions of each of the first lens surface and the second lens surface.
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公开(公告)号:US11726310B2
公开(公告)日:2023-08-15
申请号:US17174703
申请日:2021-02-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Sangeun Mun , Hyeonsoo Park , Hyunsung Park , Seunghoon Han
CPC classification number: G02B26/06 , G02B1/002 , G02B2207/101
Abstract: A meta-optical device includes a plurality of phase modulation areas configured to modulate a phase of an incident light, each of the plurality of phase modulation areas including a plurality of nanostructures having a shape and an arrangement that are determined according to a respective rule set for each of the plurality of phase modulation areas; and a compensation area located between a kth phase modulation area and a (k+1)th phase modulation area adjacent to each other, from among the plurality of phase modulation areas, and including a compensation structure for buffering an effective refractive index change occurring in a boundary area between the kth phase modulation area and the (k+1)th phase modulation area according to respective rules of the kth phase modulation area and the (k+1)th phase modulation area, wherein N is a number of the plurality of phase modulation areas, k and N are natural numbers, and k is equal to or greater than 1 and less than N.
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