公开(公告)号：US11892633B2

公开(公告)日：2024-02-06

申请号：US17131131

申请日：2020-12-22

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

Inventor： Changkun Lee ,  Byoungho Lee ,  Jinsoo Jeong ,  Seokil Moon ,  Geeyoung Sung ,  Hongseok Lee

IPC: G02B27/01 ,  G02B27/44 ,  G02B26/08

CPC classification number: G02B27/0172 ,  G02B27/0179 ,  G02B27/44 ,  G02B26/0858 ,  G02B2027/0178 ,  G02B2027/0187

Abstract: A display apparatus including a volume grating-based combiner is disclosed. The display apparatus includes: an image providing device; and a combiner, wherein the combiner includes a plurality of volume gratings configured to diffract light containing an image, which is emitted from the image providing device, each volume grating has a first surface and a second surface facing each other, and each volume grating is further configured to diffract light incident on the first surface and transmit therethrough light incident on the second surface without diffraction.

公开(公告)号：US11768380B2

公开(公告)日：2023-09-26

申请号：US17411940

申请日：2021-08-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02B27/01 ,  G02B27/00

CPC classification number: G02B27/0172 ,  G02B27/0093 ,  G02B2027/0174 ,  G02B2027/0178

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：US11509877B2

公开(公告)日：2022-11-22

申请号：US16905141

申请日：2020-06-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yuntae Kim ,  Bongsu Shin ,  Geeyoung Sung ,  Hongseok Lee

IPC: H04N13/128 ,  H04N13/111 ,  H04N13/00

Abstract: An image display device includes a processor that sets a location of a virtual image plane on which a virtual image is formed according to depth information included in first image data and generates second image data obtained by correcting the first image data based on the set location of the virtual image plane; an image forming optical system including a display element configured to modulate light to form a display image according to the second image data and a light transfer unit that forms the virtual image on the virtual image plane, the virtual image corresponding to the display image formed by the display element, the light transfer unit comprising a focusing member; and a drive unit that drives the image forming optical system to adjust the location of the virtual image plane.

公开(公告)号：US20210405388A1

公开(公告)日：2021-12-30

申请号：US17474685

申请日：2021-09-14

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

Inventor： Changkun LEE ,  Seokil Moon ,  Byoungho Lee ,  Wontaek Seo ,  Geeyoung Sung ,  Hongseok Lee

IPC: G02B30/00 ,  G02B3/10 ,  G02B27/10

Abstract: Provided is a multi-image display apparatus including an image forming device configured to form a first image, a first polarization plate configured to transmit a first polarization component of the first image provided from the image forming device, a second polarization plate configured to transmit a second polarization component of a second image that is provided from a path different from the first image, the second polarization component being different from the first polarization component, a screen configured to reflect and diffuse the first image, and transmit the second image, and a polarization selective lens configured to focus the first image having the first polarization component, and transmit the second image having the second polarization component without refraction.

公开(公告)号：US11187901B2

公开(公告)日：2021-11-30

申请号：US16275424

申请日：2019-02-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02B27/01

Abstract: A see-through type display device includes an image generation unit configured to emit image light, a light coupling unit configured to generate off-axis aberration in the image light, and a correction aberration generation unit configured to generate correction aberration, opposite to the off-axis aberration, in the image light emitted from the image generation unit, wherein the correction aberration generation unit is disposed on an optical path of the image light between the image generation unit and the light coupling unit, and wherein the light coupling unit is disposed off-axis relative to the image light.

公开(公告)号：US10928645B2

公开(公告)日：2021-02-23

申请号：US16249434

申请日：2019-01-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yuntae Kim ,  Geeyoung Sung ,  Changkun Lee ,  Hongseok Lee

IPC: G02B30/40 ,  G06T7/50 ,  G06T7/20 ,  G03H1/16 ,  G03H1/08 ,  G09G3/00

Abstract: A three-dimensional (3D) image display apparatus includes a processor configured to determine, from image data of a 3D image to be displayed, a representative depth value based on a current frame of the 3D image and a previous frame of the 3D image, and an imaging optical system configured to generate the 3D image in a predetermined space by modulating light based on the representative depth value.

公开(公告)号：US10754074B2

公开(公告)日：2020-08-25

申请号：US16034931

申请日：2018-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Juwon Seo ,  Wontaek Seo ,  Geeyoung Sung ,  Changkun Lee ,  Hongseok Lee ,  Jaeseung Chung

IPC: G03H1/12 ,  G02B5/32 ,  G02B27/01 ,  G03H1/22 ,  G03H1/02

Abstract: A holographic display apparatus for providing an expanded viewing window includes a spatial filter configured to separate a plurality of holographic images generated by the hologram pattern displayed on the spatial light modulator from a plurality of lattice spots generated by a physical structure of the spatial light modulator. The spatial filter includes a plurality of color filters or a plurality of dichroic mirrors separating a first color image, a second color image, and a third color image from a first color lattice spot, a second color lattice spot, and a third color lattice spot.

公开(公告)号：US10133162B1

公开(公告)日：2018-11-20

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 ,  G06K9/00 ,  G02B27/01

Abstract: 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.

公开(公告)号：US09869969B2

公开(公告)日：2018-01-16

申请号：US14682548

申请日：2015-04-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hoon Song ,  Geeyoung Sung ,  Kanghee Won ,  Hongseok Lee

IPC: G02F1/29 ,  G03H1/02 ,  G02B26/00 ,  G03H1/22 ,  G02B5/06 ,  G02B26/08 ,  G02F1/1333

CPC classification number: G03H1/02 ,  G02B5/06 ,  G02B26/005 ,  G02B26/0883 ,  G02B27/2271 ,  G02F1/133371 ,  G02F1/292 ,  G03H1/2286 ,  G03H1/2294 ,  G03H2001/0216 ,  G03H2001/221 ,  G03H2001/2292 ,  G03H2223/18 ,  G03H2227/03

Abstract: A holographic display includes: a light source; at least one beam steerer configured to control a propagation direction of a beam emitted from the light source; an optical element configured to condense a beam passing through the at least one beam steerer; and a spatial light modulator configured to form a three-dimensional (3D) image by modulating a beam passing through the at least one beam steerer.

公开(公告)号：US09696687B2

公开(公告)日：2017-07-04

申请号：US14561760

申请日：2014-12-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Geeyoung Sung ,  Hoon Song ,  Jungkwuen An ,  Kanghee Won ,  Hongseok Lee

IPC: G03H1/22 ,  G02B27/22 ,  G02B5/32 ,  G02B5/04 ,  G03H1/02

CPC classification number: G03H1/2294 ,  G02B5/045 ,  G02B5/32 ,  G02B27/2214 ,  G02B27/2242 ,  G02B27/2264 ,  G03H2001/0224 ,  G03H2223/18 ,  G03H2223/19 ,  G03H2225/33 ,  G03H2225/55

Abstract: Provided are a complex spatial light modulator and a three-dimensional (3D) image display apparatus. The complex spatial light modulator includes a spatial light modulator configured to modulate a phase of light, a first prism array which is disposed after the spatial light modulator along a path of the light, and including prism units each having a first prism surface and a second prism surface, and a hologram optical device configured to diffract the light that has passed through the first prism array independently from a polarization of the light, where the first prism array and the hologram optical device are configured to modulate the phase and an amplitude of the light.