公开(公告)号：US10901149B2

公开(公告)日：2021-01-26

申请号：US15977785

申请日：2018-05-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil Kim ,  Junghyun Park ,  Byounglyong Choi

IPC: G02F1/29 ,  G02B6/12 ,  G01S17/36 ,  G01S7/481

Abstract: A beam steering device and a system using the same are provided. The beam steering device includes a plurality of transmission type optical modulation devices provided to steer an incident beam in different directions, wherein each of the plurality of transmission type optical modulation devices includes: a phase modulator including a nanoantenna in which a plurality of nanostructure rows are arranged. Each of the nanostructure rows includes a plurality of nanostructures connected to each other. A meta surface includes the plurality of nanostructure rows. Each of the transmission type optical modulation devices also includes a plurality of drivers provided which independently apply an electric signal to each of the nanostructure rows to control a phase change thereof.

公开(公告)号：US20200050146A1

公开(公告)日：2020-02-13

申请号：US16660887

申请日：2019-10-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yunhee Kim ,  German B. Dubinin ,  Alexander V. Morozov ,  Sunil Kim ,  Hoon Song ,  Jungkwuen An ,  Young kim ,  Hongseok Lee ,  Chilsung Choi

IPC: G03H1/22 ,  G02F1/29 ,  G02B27/14 ,  G02B27/09 ,  F21V8/00

Abstract: A backlight unit for a binocular-holographic display device and a holographic display device including the same are provided. The backlight unit includes a light source unit which outputs light, a first beam expansion unit which expands, in a first direction, the light output from the light source unit, a second beam expansion unit which expands, in a second direction perpendicular to the first direction, the light output from the first beam expansion unit, and a beam deflection unit which diffracts light incident on the first beam expansion unit. The holographic display device includes the backlight unit, a field lens, and a spatial light modulator.

公开(公告)号：US10416762B2

公开(公告)日：2019-09-17

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

IPC: G03H1/02 ,  G06F3/01 ,  F21V5/00 ,  F21V23/00 ,  G02B27/01 ,  G09G3/3208 ,  G09G3/34 ,  G03H1/22 ,  G02B3/00 ,  F21Y115/00 ,  F21Y115/15

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.

公开(公告)号：US10191196B2

公开(公告)日：2019-01-29

申请号：US14926095

申请日：2015-10-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Alexander V. Morozov ,  Andrey N. Putilin ,  Sergey E. Dubynin ,  German B. Dubinin ,  Sergey S. Kopenkin ,  Yuriy P. Borodin ,  Sunil Kim ,  Jungkwuen An ,  Chilsung Choi ,  Hongseok Lee

IPC: F21V8/00 ,  G02B5/32 ,  G03H1/22 ,  G02B27/00 ,  G02B27/10 ,  G02B27/30

Abstract: A backlight unit (BLU), for a binocular holographic display apparatus, and the binocular holographic display apparatus including the BLU are provided. The BLU includes: a light source unit that emits coherent illumination light; and a light guide plate that is transparent and includes a light incidence surface onto which the coherent illumination light emitted by the light source unit is incident and a light emission surface through which the illumination light is output. The light source unit includes a beam deflector that adjusts an incidence angle of the illumination light incident onto the light guide plate.

公开(公告)号：US09961754B2

公开(公告)日：2018-05-01

申请号：US14476069

申请日：2014-09-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young Kim ,  Sunil Kim ,  Jaechul Park ,  Kangho Lee

IPC: H05G1/30 ,  G01N23/04 ,  G03G15/22 ,  H01L27/146 ,  G01T1/24

CPC classification number: H05G1/30 ,  G01N23/04 ,  G01T1/24 ,  G03G15/222 ,  H01L27/14676

Abstract: A method of removing residual charge from a photoconductive material includes applying a first voltage to the photoconductive material to form an electrostatic field during a collection operation in which x-rays are irradiated onto the photoconductive material; and applying a second voltage to the photoconductor to reduce an amount of residual charge therein during a removal operation, the second voltage being different from the first voltage. In one or more example embodiments, the photoconductive material may include Mercury Iodine (Hgl2).

公开(公告)号：US09958609B2

公开(公告)日：2018-05-01

申请号：US15096568

申请日：2016-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changbum Lee ,  Duhyun Lee ,  Sunil Kim ,  Jungwoo Kim ,  Byunggil Jeong

IPC: B65B33/00 ,  B05D1/32 ,  G02B6/13 ,  G02B6/122 ,  B05D7/00 ,  B05D5/06 ,  B05D3/00 ,  C23C30/00 ,  C23C28/00

CPC classification number: G02B6/13 ,  B05D3/007 ,  B05D5/06 ,  B05D7/5883 ,  B82Y20/00 ,  C23C28/32 ,  C23C28/345 ,  C23C30/005 ,  G02B1/002 ,  G02B5/008 ,  G02B6/1226

Abstract: A method of manufacturing a nano antenna is provided. The method includes forming a material layer on a substrate, defining a portion of the material layer, forming an adhesion layer on the defined portion of the material layer, forming a nano antenna material layer on the adhesion layer, and removing the adhesion layer to thereby manufacture the nano antenna.

公开(公告)号：US11762334B2

公开(公告)日：2023-09-19

申请号：US17509810

申请日：2021-10-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jungkwuen An ,  Hoon Song ,  Sunil Kim ,  Hongseok Lee ,  Joonyong Park ,  Chilsung Choi

IPC: G03H1/22 ,  G03H1/00 ,  G03H1/08 ,  G03H1/28

CPC classification number: G03H1/2294 ,  G03H1/0005 ,  G03H1/0866 ,  G03H1/2205 ,  G03H1/2286 ,  G03H1/28 ,  G03H2001/0088 ,  G03H2001/0883 ,  G03H2001/221 ,  G03H2001/2223 ,  G03H2001/2292 ,  G03H2223/00 ,  G03H2225/12 ,  G03H2225/60 ,  G03H2226/00

Abstract: Provided are holographic displays and operating methods of the holographic display. The holographic display includes a backlight portion configured to emit light for displaying an image; a deflector configured to control a direction at which the image is displayed; a lens portion configured to control a location where the image to be displayed is formed to match a location that satisfies a diffraction condition; and a panel portion configured to display a 3D image by combining the image to be displayed with an interference pattern generated with respect to an overlapped hologram.

公开(公告)号：US11747625B2

公开(公告)日：2023-09-05

申请号：US17338954

申请日：2021-06-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil Kim ,  Wontaek Seo ,  Geeyoung Sung ,  Hoon Song ,  Hongseok Lee

IPC: G02B27/01

CPC classification number: G02B27/0172 ,  G02B2027/0174

Abstract: A light combiner combines first light provided by a light source with second light containing an image of an exterior environment and provides the combined light to a user. The light combiner includes a transmissive optical device comprising a first surface on which the first light is incident and a second surface facing the first surface, and branching the first light in a plurality of directions to pass through the second surface, and a holographic optical device on a side of the transmissive optical device facing the second surface and spaced apart from the transmissive optical device. The holographic optical device diffracts light rays branched and transmitted by the transmissive optical device in the plurality of directions, to be respectively focused at a plurality of focal points different from each other and corresponding to the directions, and transmits the second light therethrough to travel toward the plurality of focal points.

公开(公告)号：US11682104B2

公开(公告)日：2023-06-20

申请号：US17200399

申请日：2021-03-12

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  MYONGJI UNIVERSITY INDUSTRY AND ACADEMIA COOPERATION

Inventor： Bongsu Shin ,  Woojun Han ,  Jaisoon Kim ,  Sunil Kim ,  Geeyoung Sung

IPC: G06T3/20 ,  G02B27/00 ,  G02F1/29 ,  G06T5/00 ,  G06T7/70 ,  G06T19/00 ,  G02B27/01 ,  G06V40/19

CPC classification number: G06T3/20 ,  G02B27/0075 ,  G02B27/0093 ,  G02F1/29 ,  G06T5/003 ,  G06T7/70 ,  G06T19/006 ,  G06V40/19 ,  G02B2027/0178 ,  G02B2027/0187 ,  G02F1/294

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.

公开(公告)号：US11668962B2

公开(公告)日：2023-06-06

申请号：US17075007

申请日：2020-10-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil Kim ,  Changbum Lee ,  Byounglyong Choi

IPC: G02F1/03 ,  G02F1/07 ,  G02F1/015 ,  G02B1/00 ,  G02F1/29 ,  G02F1/00 ,  B82Y20/00 ,  H01Q15/00

CPC classification number: G02F1/015 ,  G02B1/002 ,  G02F1/0063 ,  G02F1/29 ,  B82Y20/00 ,  G02F1/0154 ,  G02F1/292 ,  G02F2202/30 ,  H01Q15/0086

Abstract: A beam steering apparatus may include: a mirror; a refractive index modulation layer disposed on the mirror; a nanoantenna on the refractive index modulation layer; and an insulating layer disposed between the nanoantenna and the refractive index modulation layer, wherein the insulating layer has a thickness distribution in which a first thickness of the insulating layer on a central region of the mirror is less than a second thickness of the insulating layer on an edge region of the mirror, wherein a refractive index of the refractive index modulation layer is modulated to control propagation direction of beam.