公开(公告)号：US20210373493A1

公开(公告)日：2021-12-02

申请号：US17165548

申请日：2021-02-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hoon SONG ,  Dukho LEE ,  Jong-Young HONG ,  Hongseok LEE ,  Chilsung CHOI

IPC: G03H1/22 ,  G06T7/50

Abstract: Provided is a holographic display apparatus including: a spatial light modulator that modulates a wavefront of a reference beam to form a hologram image; an optical element arranged to change a position of a viewing window of the hologram image off-axis by a first angle; and an image processor that generates hologram data according to the position of the viewing window of the hologram image and a hologram image to be reproduced, and provides the hologram data to the spatial light modulator. The hologram image formed by the spatial light modulator is viewable from a side of the spatial light modulator.

公开(公告)号：US20210325827A1

公开(公告)日：2021-10-21

申请号：US17357180

申请日：2021-06-24

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Korea University Research and Business Foundation, Sejong Campus

Inventor： Hoon SONG ,  Hwi KIM ,  Jungkwuen AN ,  Hongseok LEE ,  Yunhee KIM ,  Chilsung CHOI

IPC: G03H1/22 ,  G06T3/40

Abstract: A holographic display apparatus capable of providing an expanded viewing window and a display method are provided. The holographic display apparatus includes an image processor configured to provide computer generated hologram (CGH) data to a spatial light modulator, wherein the image processor is further configured to generate a hologram data array comprising information of the holographic image to be reproduced at the first resolution or a resolution less than the first resolution, perform an off-axis phase computation on the hologram data array at the second resolution, and then, generate the CHG data at the first resolution.

公开(公告)号：US20210181678A1

公开(公告)日：2021-06-17

申请号：US17011080

申请日：2020-09-03

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Korea University Research and Business Foundation, Sejong Campus

Inventor： Yunhee KIM ,  Hwi KIM ,  Hoon SONG ,  Soobin KIM ,  Hongseok LEE

IPC: G03H1/22

Abstract: Provided is a holographic display apparatus capable of providing an expanded viewing window when reproducing a holographic image via an off-axis technique. The holographic display apparatus includes a spatial light modulator comprising a plurality of pixels arranged two-dimensionally; and an aperture enlargement film configured to enlarge a beam diameter of a light beam coming from each of the plurality of pixels of the spatial light modulator. The beam diameter of each light beam enlarged by the aperture enlargement film may be greater than the width of an aperture of each pixel of the spatial light modulator.

公开(公告)号：US20210132463A1

公开(公告)日：2021-05-06

申请号：US16841149

申请日：2020-04-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bongsu SHIN ,  Hongseok LEE ,  Changkun LEE

IPC: G02F1/29 ,  G02B27/01 ,  G06T19/00

Abstract: An augmented reality (AR) device includes a light source; a light source-moving delta robot on which the light source is mounted, the light source-moving delta robot being configured to change a traveling path of light emitted from the light source by adjusting at least one of a position or a slope of the light source in a three-dimensional (3D) space based on a movement of the light source-moving delta robot; a display device configured to generate a first image by modulating the light emitted from the light source; and a combiner configured to combine the first image generated by the display device with a second image, which is different from the first image and is received from an external source, and output a combined image.

公开(公告)号：US20210103145A1

公开(公告)日：2021-04-08

申请号：US16813882

申请日：2020-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo YOU ,  Byonggwon SONG ,  Wontaek SEO ,  Changkun LEE ,  Hongseok LEE

IPC: G02B27/01 ,  G02B27/09 ,  F21V8/00

Abstract: An augmented reality device may include: a light source; a display device comprising a plurality of pixels and configured to generate a first image based on light incident from the light source; and an optical combiner comprising a plurality of optical combining units each including a first area and a second area, wherein the first area reflects a plurality of beams constituting the first image at different reflection angles according to wavelengths and incident angles and transfers the reflected plurality of beams to a predetermined viewer position, and the second area transmits a beam of a second image received from outside and transfers the beam of the second image to the predetermined viewer position.

公开(公告)号：US20200264441A1

公开(公告)日：2020-08-20

申请号：US16683643

申请日：2019-11-14

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Changkun LEE ,  Seokil MOON ,  Byoungho LEE ,  Sunil KIM ,  Bongsu SHIN ,  Hongseok LEE

IPC: G02B27/01 ,  G02B5/30 ,  G02B27/28 ,  G09G3/02 ,  G09G5/02

Abstract: Provided is a multi-image display apparatus including a light source configured to emit a first wavelength light, a second wavelength light, and a third wavelength light, a spatial light modulator configured to modulate the first wavelength light, the second wavelength light, and the third wavelength light to form a first image including a first color holographic image, a second color holographic image, and a third color holographic image, a polarization selective lens configured to focus the first image having only a first polarization component and transmit a second image having only a second polarization component without refraction, the second image being provided to the polarization selective lens along a different path from the first image, wherein chromatic aberration of the polarization selective lens is offset by adjusting a depth of the first color holographic image, the second color holographic image, and the third color holographic image.

公开(公告)号：US20190212700A1

公开(公告)日：2019-07-11

申请号：US16037138

申请日：2018-07-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jungkwuen AN ,  Hoon SONG ,  Hongseok LEE ,  Chilsung CHOI

IPC: G03H1/22 ,  G02B5/18 ,  F21V8/00 ,  G02B5/32 ,  G02B5/30 ,  G02B13/18

CPC classification number: G03H1/2294 ,  G02B5/1842 ,  G02B5/30 ,  G02B5/32 ,  G02B6/0026 ,  G02B13/18

Abstract: A holographic display device including a field lens focusing a three-dimensional (3D) image reproduced by a holographic display, wherein the field lens includes an anisotropic diffractive lens functioning as a lens with respect to a specific polarization.

公开(公告)号：US20190172179A1

公开(公告)日：2019-06-06

申请号：US16018323

申请日：2018-06-26

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  University of Seoul Industry Cooperation Foundation

Inventor： Yongkyu KIM ,  Kichul KIM ,  Hojung KIM ,  Hongseok LEE

IPC: G06T3/40 ,  G06T7/50 ,  G06T15/10 ,  G03H1/08

Abstract: A method and apparatus for converting first image data corresponding to a first depth and second image data corresponding to a second depth may be used for displaying a 3D image represented by the first image data and the second image data and performing FFT on the converted first image data and the converted second image data.

公开(公告)号：US20190037196A1

公开(公告)日：2019-01-31

申请号：US15871202

申请日：2018-01-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yuntae KIM ,  Geeyoung SUNG ,  Hongseok LEE

IPC: H04N13/00 ,  G02B27/01 ,  G06F3/01 ,  G06T15/00

CPC classification number: H04N13/128 ,  G02B27/0172 ,  G02B2027/0134 ,  G02B2027/0178 ,  G06F3/011 ,  G06T15/005 ,  H04N13/344 ,  H04N13/383 ,  H04N13/395

Abstract: An apparatus for processing an image includes: a first display of which an optical focal distance is a first distance; a second display of which an optical focal distance is a second distance; a processor configured to determine a first value of a first pixel of the first display and a second value of a second pixel of the second display according to a depth value of a first image to be output; and an image converging member configured to overlap the first pixel and the second pixel and output the first image corresponding to the depth value.

公开(公告)号：US20190025685A1

公开(公告)日：2019-01-24

申请号：US15883570

申请日：2018-01-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaeseung CHUNG ,  Geeyoung SUNG ,  Hongseok LEE

IPC: G03B21/20 ,  G06F3/01 ,  G02B27/01 ,  G06K9/00

Abstract: Provided is a projection display apparatus that tracks a user's eye with an eye tracker and displays a high-resolution image at a position of the user's eye. The projection display apparatus includes an eye tracker configured to track an eye of a user; a projector configured to project an image; and a controller configured to control the projector, based on a position of the eye of the user obtained from the eye tracker, to perform a first operation to project a first portion of the image at a first resolution onto a first region with respect to the position of the eye of the user, and to perform one of a second operation to project a second portion of the image at a second resolution lower than the first resolution onto a second region excluding the first region, and a third operation to refrain from projecting the image in the second region.