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公开(公告)号：US20220057642A1
公开(公告)日：2022-02-24
申请号：US17166641
申请日：2021-02-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil KIM , Junghyun PARK , Duhyun LEE , Byunggil JEONG
IPC: G02B27/10
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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22.发明申请公开(公告)号：US20210173239A1
公开(公告)日：2021-06-10
申请号：US16880350
申请日：2020-05-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun PARK , Yeonsang PARK , Sunil KIM , Duhyun LEE , Byunggil JEONG
Abstract: Provided is a light modulator including a substrate, and a resonator configured to modulate a phase of incident light by modulating a refractive index based on an external stimulus, the resonator comprising a first reflective structure provided on the substrate, a cavity layer provided on the first reflective structure, and a second reflective structure provided on the cavity layer, wherein at least one of the first reflective structure or the second reflective structure comprises first material layers, second material layers that are alternately stacked with the first material layers, and a third material layer, and wherein each of the first material layers has a first refractive index, each of the second material layers has a second refractive index that is different from the first refractive index, and the third material layer has a third refractive index that is different from the first refractive index
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公开(公告)号：US20210149227A1
公开(公告)日：2021-05-20
申请号：US16860527
申请日：2020-04-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Duhyun LEE , Bochul PARK , Sunil KIM , Junghyun PARK , Byunggil JEONG
Abstract: A beam steering apparatus includes a substrate; at least one light source provided on the substrate; a first waveguide configured to transmit a first light beam radiated from the at least one light source; at least one beam splitter configured to split the first light beam transmitted by the first waveguide to obtain a second light beam; a second waveguide configured to receive the second light beam; and a quantum dot optical amplifier provided on the second waveguide and comprising a barrier layer, a quantum dot layer, and a wetting layer, the quantum dot optical amplifier being configured to modulate a phase of the second light beam, and to amplify an intensity of the second light beam.
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公开(公告)号：US20200294190A1
公开(公告)日：2020-09-17
申请号：US16539618
申请日：2019-08-13
Inventor： Bongsu SHIN , Woojun HAN , Jaisoon KIM , Sunil KIM , Geeyoung SUNG
Abstract: Provided is a display apparatus including an image forming optical system configured to form an image to be displayed, an eyepiece optical system configured to provide the image formed by the image forming optical system to a pupil of an observer, and an image shifting optical system disposed on an optical path between the image forming optical system and the eyepiece optical system, the image shifting optical system being configured to shift the image formed by the image forming optical system in a direction perpendicular to an optical axis, wherein the image shifting optical system includes a first optical member having a first focal length and a second optical member having a second focal length, and wherein a distance between the first optical member and the second optical member along the optical axis is equal to a sum of the first focal length and the second focal length.
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公开(公告)号：US20200241381A1
公开(公告)日：2020-07-30
申请号：US16845963
申请日：2020-04-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil KIM , Byounglyong CHOI
Abstract: A beam steering device includes a waveguide configured to transmit a beam therethrough; a cladding layer provided on the waveguide and including a material having a refractive index that varies according to a voltage applied thereto; and an electrode layer including at least two electrodes configured to independently voltages to at least two portions of the cladding layer.
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Patent Agency Ranking
26.发明申请公开(公告)号：US20200073124A1
公开(公告)日：2020-03-05
申请号：US16283979
申请日：2019-02-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sunil KIM , Bongsu SHIN , Wontaek SEO , Changkun LEE
Abstract: Provided is an image display device including a first light source configured to emit a first beam of light, a second light source configured to emit a second beam of light, a spatial light modulator configured to modulate the first beam of light and the second beam of light, a holographic optical element configured to focus, on a first focal point, the first beam of light emitted from the first light source and modulated by the spatial light modulator, and to focus, on a second focal point, the second beam of light emitted from the second light source and modulated by the spatial light modulator and a processor configured to control the first and the second light sources and the spatial light modulator.
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27.发明申请公开(公告)号：US20190324272A1
公开(公告)日：2019-10-24
申请号：US16132648
申请日：2018-09-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Wontaek SEO , Geeyoung SUNG , Sunil KIM , Bongsu SHIN , Changkun LEE , Hongseok LEE
Abstract: A three-dimensional (3D) image display apparatus is provided. The apparatus includes a plurality of light sources; a spatial light modulator configured to modulate light from the plurality of light sources according to 3D image information; and a focusing optical system configured to focus an image formed by the spatial light modulator onto a focal plane. The plurality of light sources may be arranged such that multiple focal points, respectively corresponding to the plurality of light sources, are formed on the focal plane near a pupil of a user.
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公开(公告)号：US20190018299A1
公开(公告)日：2019-01-17
申请号：US15971044
申请日：2018-05-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun PARK , Jisoo KYOUNG , Sunil KIM , Changgyun SHIN , Byunggil JEONG , Byounglyong CHOI
IPC: G02F1/29
CPC classification number: G02F1/29 , G02B5/008 , G02F1/0123 , G02F2201/12 , G02F2201/18 , G02F2202/20 , G02F2203/02 , G02F2203/10 , G02F2203/24 , G02F2203/50
Abstract: Provided are an optical modulation device and a method of operating the same. The optical modulation device may include a nano-antenna, a conductor, and an active layer located between the nano-antenna and the conductor. The optical modulation device may further include a first dielectric layer located between the active layer and the conductor and a second dielectric layer located between the active layer and the nano-antenna. The optical modulation device may further include a signal applying unit configured to independently apply an electrical signal to at least two of the nano-antenna, the active layer, and the conductor.
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公开(公告)号：US20180062341A1
公开(公告)日：2018-03-01
申请号：US15681724
申请日：2017-08-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil KIM , Duhyun LEE , Changbum LEE , Byounglyong CHOI
Abstract: A laser beam steering device and a system including the laser beam steering device are provided. The laser beam steering device includes a refractive index change layer having a refractive index that changes based on an electrical signal; at least one antenna pattern disposed above the refractive index change layer; a wavelength selection layer disposed under the refractive index change layer and configured to correspond to a wavelength of a laser beam incident onto the laser beam steering device; and a driver configured to apply the electrical signal to the refractive index change layer.
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公开(公告)号：US20180059506A1
公开(公告)日：2018-03-01
申请号：US15683882
申请日：2017-08-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changbum LEE , Sunil KIM , Duhyun LEE , Byounglyong CHOI
IPC: G02F1/29
CPC classification number: G02F1/292 , G02F2203/15
Abstract: Nano antenna structures and methods of manufacturing the same are provided. A nano antenna structure includes a reflective layer, a transparent conductive layer disposed on the reflective layer, an insulating layer disposed on the transparent conductive layer, a nano antenna material layer disposed on the insulating layer, and an adhesion layer disposed between the insulating layer and the nano antenna material layer.
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