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11.发明授权公开(公告)号：US11906757B2
公开(公告)日：2024-02-20
申请号：US17060419
申请日：2020-10-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kanghee Won , Young Kim , Jungkwuen An , Hongseok Lee
Abstract: Provided is a beam deflector including a first sub deflector configured to deflect light of a first wavelength band in a first direction and a second direction that intersects the first direction, and convert a polarization direction of the light of the first wavelength band, and a second sub deflector configured to deflect light of a second wavelength band, that is different from the first wavelength band in the first direction and the second direction, and convert a polarization direction of the light of the second wavelength band, wherein the first sub deflector and the second sub deflector are sequentially provided such that the light of the first wavelength band and the light of the second wavelength band sequentially pass through the first sub deflector and the second sub deflector.
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12.发明授权公开(公告)号：US11880049B2
公开(公告)日：2024-01-23
申请号：US18194080
申请日：2023-03-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young Kim , Soonbum Kwon , Byonggwon Song , Jungkwuen An , Kanghee Won , Hongseok Lee , Jong-Young Hong
IPC: G02B30/25 , G02F1/13 , G02F1/1335
CPC classification number: G02B30/25 , G02F1/133528 , G02F1/133538
Abstract: A geometric phase optical element and a three-dimensional display apparatus including the same are provided. The geometric phase optical element includes: a liquid crystal layer; a first electrode on a surface of the liquid crystal layer; and a second electrode on another surface of the liquid crystal layer, wherein, when no voltage is applied to the first and second electrodes, the liquid crystal layer is configured such that a phase difference according to an arrangement of the liquid crystal is π and light transmitted through the liquid crystal layer is diffracted by a first deflection angle, and when a first voltage that causes the phase difference according to the arrangement of the liquid crystal to become π/2 is applied to the first and second electrodes, the liquid crystal layer is configured such that the light transmitted through the liquid crystal layer is diffracted by a second deflection angle.
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公开(公告)号：US11320784B2
公开(公告)日：2022-05-03
申请号：US16717348
申请日：2019-12-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young Kim , Wontaek Seo , Jungkwuen An , Kanghee Won , Hongseok Lee , Hoon Song , Chilsung Choi
Abstract: Provided are methods of processing a holographic image and apparatuses using the methods. A method includes obtaining image data with respect to a three-dimensional (3D) object, obtaining interference patterns in a computer-generated hologram (CGH) plane by performing a Fourier transform on the image data, and generating a CGH with respect to the 3D object based on the interference patterns, wherein the Fourier transform is performed based on a focal length of an eye lens of an observer.
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公开(公告)号：US10915001B2
公开(公告)日：2021-02-09
申请号：US16529328
申请日：2019-08-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kanghee Won , Young Kim , Byonggwon Song , Hoon Song , Jungkwuen An , Hongseok Lee
Abstract: Provided are a light deflector and a light output device including the light deflector, the light deflector including a first electrode layer and a second electrode layer that are spaced apart from each other and facing each other, and a deflection layer configured to deflect incident light thereon based on a voltage applied to the first electrode layer and the second electrode layer, wherein the first electrode layer includes a plurality of electrode elements that are spaced apart from each other, and a resistor that is in contact with at least part of the plurality of electrode elements and in which a voltage drop is generated.
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15.发明授权公开(公告)号：US10884171B2
公开(公告)日：2021-01-05
申请号：US16101025
申请日：2018-08-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young Kim , Jungkwuen An , Hoon Song , Kanghee Won
IPC: G02B5/32 , G02F1/1343 , G02F1/13357 , G02B27/09 , G02B5/30 , G03H1/22
Abstract: A beam deflector and a holographic three-dimensional image display apparatus employing the same are provided. The beam deflector deflects light through two stages by a first beam deflector that deflects the light in a first moving direction making an angle with a horizontal direction and a vertical direction, such that the deflected light is oriented to a first location, and a second beam deflector that deflects the light incident from the first beam deflector such that the light is deflected in a second moving direction making an angle with the horizontal direction and the vertical direction at the first location and is oriented to a second location.
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Patent Agency Ranking
公开(公告)号：US10788727B2
公开(公告)日：2020-09-29
申请号：US15809569
申请日：2017-11-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young Kim , Yunhee Kim , Hoon Song , Kanghee Won , Yeonhee Kim , Kideok Bae , Hongseok Lee
Abstract: A liquid crystal light deflector includes a first electrode layer including a plurality of pattern electrodes arranged with a constant pitch in a first direction on a first substrate, a first alignment layer covering the first electrode layer and having a plurality of concave portions formed on an upper surface thereof and extending in parallel to a second direction perpendicular to the first direction, a liquid crystal layer including a plurality of liquid crystal molecules each having a long diameter substantially parallel to the concave portions on the first alignment layer, a second electrode layer, which is a common electrode, disposed on the liquid crystal layer, and a second substrate disposed on the second electrode layer.
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17.发明授权公开(公告)号：US12147144B2
公开(公告)日：2024-11-19
申请号：US17556490
申请日：2021-12-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young Kim , Byonggwon Song , Hongsuk Kim , Hoon Song , Kanghee Won , Hongseok Lee , Sunghee Jung
Abstract: Provided is a beam deflector including: a first electrode layer including a plurality of electrode patterns that are arranged in a first direction; a second electrode layer provided to oppose the first electrode layer; a liquid crystal layer provided between the first electrode layer and the second electrode layer in a second direction perpendicular to the first direction, and including a plurality of liquid crystal molecules; an input channel unit including a plurality of input channels; a demultiplexer configured to divide each of the input channels into a preset number of divided channels, and connect the divided channels to the electrode patterns; and a control circuit connected to the demultiplexer, and configured to control an output signal output from the divided channels to the first electrode layer.
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公开(公告)号：US12095974B2
公开(公告)日：2024-09-17
申请号：US17201868
申请日：2021-03-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young Kim , Jungkwuen An , Kanghee Won , Jong-Young Hong
IPC: H04N13/32 , H04N13/324
CPC classification number: H04N13/32 , H04N13/324 , H04N2213/001
Abstract: A beam deflection layer includes: a first selective polarization conversion-splitter that splits first color light in an incident light beam into 1A color light and 1B color light having different polarization directions from each other; a first beam deflector that deflects the 1A first first color light in the light beam from the 1A first selective polarization conversion-splitter, a first selective polarization converter that converts polarization directions of the 1A first first color light and the 1B second first color light in the light beam from the 1A first beam deflector, and a 1B second beam deflector configured to deflect the 1B second first color light in the light beam from the first selective polarization converter. The first color light, the 1A color light, and the 1B color light each have a first wavelength band.
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19.发明授权公开(公告)号：US11803087B2
公开(公告)日：2023-10-31
申请号：US17107271
申请日：2020-11-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young Kim , Jungkwuen An , Hoon Song , Kanghee Won
IPC: G02B5/30 , G02B5/32 , G02F1/1347 , G02F1/1343 , G02F1/13357 , G02B27/09 , G03H1/22
CPC classification number: G02F1/13471 , G02B5/30 , G02B5/32 , G02B27/0977 , G02F1/1343 , G02F1/133602 , G03H1/2294 , G02F2201/121
Abstract: A beam deflector and a holographic three-dimensional image display apparatus employing the same are provided. The beam deflector deflects light through two stages by a first beam deflector that deflects the light in a first moving direction making an angle with a horizontal direction and a vertical direction, such that the deflected light is oriented to a first location, and a second beam deflector that deflects the light incident from the first beam deflector such that the light is deflected in a second moving direction making an angle with the horizontal direction and the vertical direction at the first location and is oriented to a second location.
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20.发明申请公开(公告)号：US20210294115A1
公开(公告)日：2021-09-23
申请号：US17060419
申请日：2020-10-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kanghee Won , Young Kim , Jungkwuen An , Hongseok Lee
Abstract: Provided is a beam deflector including a first sub deflector configured to deflect light of a first wavelength band in a first direction and a second direction that intersects the first direction, and convert a polarization direction of the light of the first wavelength band, and a second sub deflector configured to deflect light of a second wavelength band, that is different from the first wavelength band in the first direction and the second direction, and convert a polarization direction of the light of the second wavelength band, wherein the first sub deflector and the second sub deflector are sequentially provided such that the light of the first wavelength band and the light of the second wavelength band sequentially pass through the first sub deflector and the second sub deflector.
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