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公开(公告)号：US11971558B2
公开(公告)日：2024-04-30
申请号：US17166641
申请日：2021-02-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil Kim , Junghyun Park , Duhyun Lee , Byunggil Jeong
CPC classification number: G02B27/1026 , G01S7/4814
Abstract: A spatial light modulator and a beam steering apparatus including the same are provided. The spatial light modulator includes a first reflective layer; a cavity layer provided on the first reflective layer; and a reflective layer including a plurality of unit lattice structures that are provided on the cavity layer are and spaced apart from each other. Each of the plurality of unit lattice structures has a polycrystalline structure, and at least one grain of the polycrystalline structure has a column shape and a height equal to a height of the plurality of unit lattice structures.
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公开(公告)号：US11726250B2
公开(公告)日：2023-08-15
申请号：US17101935
申请日：2020-11-23
Applicant: SAMSUNG ELECTRONICS CO., LTD. , The Board of Trustees of the Leland Stanford Junior University
Inventor： Wonjae Joo , Mark L. Brongersma , Junghyun Park
CPC classification number: G02B5/32 , G02B6/2931 , G02F1/292 , G03H1/26 , G03H1/2645 , G03H1/28 , G03H2001/0473 , G03H2001/266 , G03H2222/13 , G03H2222/14
Abstract: A beam steering method and device are provided. The beam steering method includes outputting, from a hologram recording medium on which a plurality of signal light beams having different steering information are recorded, signal light beam having specific steering information, by making reference light having a specific characteristic incident on the hologram recording medium. The method further includes obtaining information about an object existing in the external environment based on the output signal light.
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公开(公告)号：US11536980B2
公开(公告)日：2022-12-27
申请号：US17089261
申请日：2020-11-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil Kim , Junghyun Park , Duhyun Lee , Byunggil Jeong
IPC: G02B27/09 , H01L27/146 , G01S7/481 , G01S7/4914
Abstract: Provided is a beam steering apparatus including a driving pixel unit including a plurality of driving pixels that are respectively configured to supply a voltage or a current, a light modulator including a plurality of pixels corresponding to the plurality of driving pixels, each pixel of the plurality of pixels being configured to modulate incident light, and a wiring layer including a wiring structure configured to electrically connect the plurality of driving pixels to the plurality of pixels, wherein the wiring structure includes a first conductive wire connected to the plurality of driving pixels, a second conductive wire connected to the plurality of pixels, and at least one third conductive wire connected between the first conductive wire and the second conductive wire, and wherein the first conductive wire, the second conductive wire, and the at least one third conductive wire form a step structure.
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公开(公告)号：US20220206322A1
公开(公告)日：2022-06-30
申请号：US17697791
申请日：2022-03-17
Applicant: SAMSUNG ELECTRONICS CO.,LTD.
Inventor： Sunil KIM , Junghyun Park , Duhyun Lee , Byunggill Jeong
Abstract: Provided is an optical modulator including a plurality of unit cells, an active layer including a plurality of refractive index changing areas that are separated from each other, each of the plurality of refractive index changing areas having a refractive index that changes based on an electrical signal applied thereto, a plurality of antenna patterns provided over the active layer, and a mirror layer provided under the active layer opposite to the plurality of antenna patterns.
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公开(公告)号：US11212061B2
公开(公告)日：2021-12-28
申请号：US16545087
申请日：2019-08-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunho Park , Junghyun Park , Joonyoung Lee
IPC: H04L5/00 , H04W28/20 , H04N21/4363 , H04W76/15 , H04W72/04
Abstract: Disclosed is an electronic device performing a video transmission using a multi-wireless network and a controlling method thereof. The electronic device for receiving and reproducing contents includes: a communicator, and a processor to receive, from an external device, a signal including original data of contents through a main frequency band, and receive, from an external device through at least one sub frequency band, a connection state signal including information on original data, and control the communicator to transmit, to the external device through the main frequency band and the at least one sub frequency band, a response signal including information on whether original data is missing, and an amount of received data stored in a buffer.
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Patent Agency Ranking
公开(公告)号：US20210373131A1
公开(公告)日：2021-12-02
申请号：US17400906
申请日：2021-08-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Inoh Hwang , Dongjae Shin , Jungwoo Kim , Junghyun Park , Byunggil Jeong , Byounglyong Choi
IPC: G01S7/48 , G02F1/29 , G02B27/00 , G01S7/00 , G02B26/10 , G01S17/06 , G01S7/4865 , G01S17/10 , G11B7/2433 , G02F1/01 , G01S17/89
Abstract: A light detection and ranging (LiDAR) system is provided including a beam steering device configured to modulate a phase of light from a light source and to output light in a plurality of directions at the same time, a receiver including a plurality of light detection elements configured to receive light that has been irradiated onto an object in the plurality of directions from the beam steering device and reflected from the object, and a processor configured to analyze position-specific distribution and/or time-specific distribution of light received by the receiver and to individually process the light lights irradiated onto the object in the plurality of directions.
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公开(公告)号：US20210255468A1
公开(公告)日：2021-08-19
申请号：US17089261
申请日：2020-11-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil Kim , Junghyun Park , Duhyun Lee , Byunggil Jeong
IPC: G02B27/09 , H01L27/146 , G01S7/4914 , G01S7/481
Abstract: Provided is a beam steering apparatus including a driving pixel unit including a plurality of driving pixels that are respectively configured to supply a voltage or a current, a light modulator including a plurality of pixels corresponding to the plurality of driving pixels, each pixel of the plurality of pixels being configured to modulate incident light, and a wiring layer including a wiring structure configured to electrically connect the plurality of driving pixels to the plurality of pixels, wherein the wiring structure includes a first conductive wire connected to the plurality of driving pixels, a second conductive wire connected to the plurality of pixels, and at least one third conductive wire connected between the first conductive wire and the second conductive wire, and wherein the first conductive wire, the second conductive wire, and the at least one third conductive wire form a step structure.
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公开(公告)号：US10989936B2
公开(公告)日：2021-04-27
申请号：US16263081
申请日：2019-01-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil Kim , Junghyun Park
IPC: G02F1/01 , G02F1/19 , G02B5/00 , G02B26/02 , G01S7/481 , G01S17/02 , G02F1/00 , G01S17/04 , B82Y20/00
Abstract: Provided are an optical modulation device, a method of operating the optical modulation device, and an apparatus including the optical modulation device. The optical modulation device may include a mirror array including a plurality of mirror elements, a nano-antenna array including a plurality of nano-antennas, and an active layer disposed between the mirror array and the nano-antenna array. At least some of the plurality of mirror elements may have different refractive indices. The at least some of the plurality of mirror elements may include different materials, include different dopants, or have different doping concentrations.
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公开(公告)号：US10983413B2
公开(公告)日：2021-04-20
申请号：US15851061
申请日：2017-12-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changgyun Shin , Junghyun Park , Dongjae Shin , Eunkyung Lee
Abstract: A beam steering device includes an optical waveguide configured to split input light into a plurality of split light along a plurality of paths and output the plurality of split light to a plurality of output terminals which are aperiodically arranged, a plurality of phase shifters provided in the plurality of paths, wherein at least two phase shifters among the plurality of phase shifters have different phase delay length, and a signal input unit configured to supply a uniform signal to each of the plurality of phase shifters.
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公开(公告)号：US10976416B2
公开(公告)日：2021-04-13
申请号：US15882488
申请日：2018-01-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun Park , Byunggil Jeong , Byounglyong Choi
IPC: G01S7/481 , G01S17/08 , G02F1/29 , G02B26/12 , G02B26/10 , G02B5/18 , B82Y20/00 , G02B1/00 , G02B26/00
Abstract: A beam scanning apparatus capable of adjusting a refraction angle of transmitted light and scanning a beam to a desired location is provided. In addition, an optical apparatus capable of sensing light reflected from an external object and extracting information about the external object is provided. The beam scanning apparatus includes a rotary meta lens having a plurality of meta areas in which a plurality of fine phase shift elements are arranged, and a rotation drive device that rotates the rotary meta lens. The plurality of meta areas are configured to direct transmitted light to different locations in a scanning area.
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