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11.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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公开(公告)号：US20180024628A1
公开(公告)日：2018-01-25
申请号：US15370411
申请日：2016-12-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil KIM , Hoon SONG , Hongseok LEE , Jungkwuen AN , Chilsung CHOI
CPC classification number: G06F3/013 , F21V5/007 , F21V23/003 , F21Y2115/00 , F21Y2115/15 , G02B3/0006 , G02B27/01 , G02B27/0103 , G02B2027/0109 , G02B2027/0134 , G03H1/02 , G03H1/2286 , G03H1/2294 , G03H2001/0212 , G03H2001/0224 , G03H2001/2242 , G03H2222/34 , G03H2223/17 , G03H2223/19 , G03H2226/05 , G09G3/3208 , G09G3/342 , G09G2354/00
Abstract: A beam steering backlight unit provides a hologram image to multiple viewing positions and a holographic display apparatus includes the beam steering backlight unit. The backlight unit includes a light source array comprising a plurality of two-dimensionally arranged light sources and a micro lens array arranged to face the light source array and comprising a plurality of two-dimensionally arranged micro lenses. The light source array includes a plurality of light source blocks each corresponding to a respective one of the plurality of micro lenses, wherein a plurality of the light sources are arranged in each of the plurality of light source blocks. The light source array is configured to select and turn on only those light sources of the plurality of light sources respectively disposed in a same position in each of the plurality of light source blocks and turn off the other light sources.
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Patent Agency Ranking
公开(公告)号：US20170090089A1
公开(公告)日：2017-03-30
申请号：US15251475
申请日：2016-08-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil KIM , Juwon SEO , Wontaek SEO , Chilsung CHOI
IPC: F21V8/00
CPC classification number: G02B6/005 , G02B6/00 , G02B6/0055 , G02B6/0066 , G02B27/01
Abstract: Provided is a back light unit (BLU) for holographic display. The BLU includes a first diffraction grating attached to a waveguide, a second diffraction grating that supplies light to the first diffraction grating, a light source that supplies light to the second diffraction grating, and a light reflection element that reflects light towards the first diffraction grating. The back light unit may further include a lens that is disposed in front of the waveguide. The light reflection element may be disposed parallel to a rear surface of the waveguide. The light reflection element may be inclined with respect to the rear surface of the waveguide. The light reflection element may be a mirror or a prism array.
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公开(公告)号：US20240125902A1
公开(公告)日：2024-04-18
申请号：US18219448
申请日：2023-07-07
Inventor： Sunil KIM , Junsuk RHO , Younghwan YANG , Junghyun PARK
CPC classification number: G01S7/4814 , G01S17/08 , G02F1/21 , G01S17/931
Abstract: Provided is a spatial light modulator configured to modulate light, the spatial light modulator including a first reflective layer, a resonance layer on the first reflective layer, and a second reflective layer on the resonance layer, the second reflective layer including a plurality of grating structures space apart from each other, wherein the plurality of grating structures include silicon (Si) having an extinction coefficient k that is less than or equal to 1e-5 with respect to light in the predetermined wavelength band.
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公开(公告)号：US20220308369A1
公开(公告)日：2022-09-29
申请号：US17842327
申请日：2022-06-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Duhyun LEE , Changgyun SHIN , Sunil KIM , Junghyun PARK , Byunggil JEONG
Abstract: A light modulator for amplifying an intensity of incident light and modulating a phase of the incident light is provided. The light modulator includes: a first distributed Bragg reflector (DBR) layer having a first reflectivity and comprising at least two first refractive index layers that have different refractive indices from each other and are repeatedly alternately stacked; a second DBR layer having a second reflectivity and comprising at least two second refractive index layers that have different refractive indices from each other and are repeatedly alternately stacked; and an active layer disposed between the first DBR layer and the second DBR layer, and comprising a quantum well structure.
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公开(公告)号：US20220137402A1
公开(公告)日：2022-05-05
申请号：US17575189
申请日：2022-01-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun PARK , Sunil KIM , Duhyun LEE , Byunggil JEONG
Abstract: Provided are a beam scanning device and a system including the beam scanning device. The beam scanning device includes: a spatial light modulator configured to modulate a phase of a light for a corresponding pixel of a plurality of pixels; and a phase mask including a support plate arranged in an output direction of the light that is output from the spatial light modulator and a plurality of nanostructures arranged on the support plate differently for each of the plurality of pixels to control the phase of the light.
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公开(公告)号：US20220011642A1
公开(公告)日：2022-01-13
申请号：US17365674
申请日：2021-07-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Duhyun LEE , Sunil KIM , Junghyun PARK , Changgyun SHIN , Byunggil JEONG
IPC: G02F1/29
Abstract: Provided is a light modulation element including a first contact layer, a second contact layer, an active layer provided between the first contact layer and the second contact layer, a first contact plug provided between the first contact layer and the active layer, and a second contact plug provided between the second contact layer and the active layer, wherein a width of at least one of the first contact plug and the second contact plug is less than a width of the active layer.
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