公开(公告)号：US11467414B2

公开(公告)日：2022-10-11

申请号：US17336840

申请日：2021-06-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bongsu Shin ,  Changkun Lee ,  Sunil Kim ,  Wontaek Seo ,  Geeyoung Sung

IPC: G02B27/10 ,  G06F3/01 ,  G02B27/01 ,  G06T19/00 ,  G06F1/16 ,  G06F3/0487 ,  G02B6/12

Abstract: A see-through display device includes an image generation unit configured to emit a virtual image light, a light combining unit configured to combine the virtual image light with an actual image light, and a driving unit including a deformation unit and a bridge unit disposed between the deformation unit and the image generation unit, and configured to control a distance between the image generation unit and the light combining unit through the deformation unit and the bridge unit.

公开(公告)号：US11372104B2

公开(公告)日：2022-06-28

申请号：US16135874

申请日：2018-09-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil Kim ,  Byounglyong Choi ,  Changgyun Shin

IPC: G01S17/04 ,  G01S17/89 ,  G02F1/29 ,  G01S7/481 ,  G02B27/00 ,  G01S17/42 ,  G01S17/93 ,  G06T7/521 ,  G02B27/09

Abstract: Provided are an optical sensing system and an optical apparatus including the same. The optical sensing system may include a light output part configured to emit a laser beam to an object, and a sensing part configured to sense a laser beam emitted from the light output part and reflected from the object. The sensing part may include a photodetector and the active optical device located on an optical path between the photodetector and the object. The active optical device may actively control an orientation of a laser beam passing therethrough and may include a material layer having a refractive index which is changeable by application of an electrical signal.

公开(公告)号：US11262700B2

公开(公告)日：2022-03-01

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: G02B5/18 ,  G03H1/22 ,  F21V8/00 ,  G02B27/09 ,  G02B27/14 ,  G02F1/29

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：US11226590B2

公开(公告)日：2022-01-18

申请号：US15819485

申请日：2017-11-21

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

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：US11143868B2

公开(公告)日：2021-10-12

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

IPC: G02B27/01 ,  G02B27/00

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.

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.

公开(公告)号：US20210201443A1

公开(公告)日：2021-07-01

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 ,  G06T7/70 ,  G02B27/00 ,  G02F1/29 ,  G06K9/00 ,  G06T5/00 ,  G06T19/00

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：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.

公开(公告)号：US10928700B2

公开(公告)日：2021-02-23

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

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.

公开(公告)号：US10761351B2

公开(公告)日：2020-09-01

申请号：US15685314

申请日：2017-08-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Duhyun Lee ,  Changgyun Shin ,  Sunil Kim ,  Byounglyong Choi

IPC: G02F1/00 ,  G02F1/01 ,  G02F1/29 ,  G01S17/06

Abstract: A phase modulation active device and a method of driving the same are provided. The method may include configuring, for the phase modulation active device including a plurality of channels that modulate a phase of incident light, a phase profile indicating a phase modulation target value to be implemented by the phase modulation active device; setting a phase limit value of the phase modulation active device; generating a modified phase profile based on the phase profile by modifying the phase modulation target value, for at least one channel from the plurality of channels that meets or exceeds the phase limit value, to a modified phase modulation target value that is less than the phase limit value in the phase profile; and operating the phase modulation active device based on the modified phase profile. Thus, improved optical modulation performance may be achieved.