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公开(公告)号:US20240243220A1
公开(公告)日:2024-07-18
申请号:US18223323
申请日:2023-07-18
Applicant: Samsung Electronics Co., Ltd.
Inventor: Sunil KIM , Junhee CHOI , Nakhyun KIM , Junghun PARK
CPC classification number: H01L33/025 , G02B5/008 , H01L33/24 , G09G3/32
Abstract: A light-emitting device includes a first semiconductor layer having a first conductive type, an active layer provided on the first semiconductor layer, a second semiconductor layer provided on the active layer and having a second conductive type that is electrically opposite to the first conductive type, an insulating film at least partially surrounding the first semiconductor layer, the active layer, and the second semiconductor layer, and a first plurality of photo-conversion particles provided inside the first semiconductor layer.
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公开(公告)号:US20230143529A1
公开(公告)日:2023-05-11
申请号:US17736209
申请日:2022-05-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Sunil KIM , Bongsu SHIN
CPC classification number: G02B5/32 , G02B27/30 , G02B27/0172 , G06F1/163 , G02B2027/0174 , G02B2027/0178 , G02B2027/0123 , G02B2027/0134
Abstract: A display apparatus providing an expanded eye box including: an image forming apparatus including a plurality of sub-areas respectively forming a plurality of different images; and a plurality of holographic optical elements corresponding to the plurality of sub-areas one-to-one, and collimating images emitted from the plurality of sub-areas to parallel beams having different emission directions, respectively.
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公开(公告)号:US20230117032A1
公开(公告)日:2023-04-20
申请号:US17747441
申请日:2022-05-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Sunil KIM , Junghyun PARK , Minkyung LEE , Byunggil JEONG
Abstract: A spatial light modulator and a light detection and ranging (LiDAR) apparatus including the spatial light modulator are provided. The spatial light modulator includes: a first reflective layer; a second reflective layer comprising a plurality of grating structures spaced apart from each other; a resonance layer provided between the first reflective layer and the second reflective layer; and a filling layer having a heat transfer coefficient of about 100 mW/mK or less and being in contact with an upper surface of the resonance layer while surrounding at least one grating structure of the plurality of grating structures.
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公开(公告)号:US20230032297A1
公开(公告)日:2023-02-02
申请号:US17956376
申请日:2022-09-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Sunil KIM , Druzhin Vladislav , Malinina Polina , Bongsu Shin , Dubynin Sergey
Abstract: Provided a display apparatus including an image forming apparatus configured to form an image, a projection optical system configured to project the image formed by the image forming apparatus, and a combining optical system configured to provide the image projected from the projection optical system combined with light emitted from an external landscape, wherein the combining optical system is configured to divide the image projected from the projection optical system into same images and focus the same images on different positions.
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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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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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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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