公开(公告)号：US20210003852A1

公开(公告)日：2021-01-07

申请号：US16919987

申请日：2020-07-02

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Young Kim ,  Hongseok Lee ,  Seokho Song ,  Jungkwuen An ,  Kanghee Won ,  Changkun Lee

IPC: G02B27/09 ,  G02B27/01

Abstract: Provided are a Fourier-beam shaper and a display apparatus including the Fourier-beam shaper. The Fourier-beam shaper includes: a waveguide; an input coupler configured to direct a plurality of light beams toward the waveguide in a time-sequential manner; and a spatial converter configured to output the plurality of light beams traveling in the waveguide through spatially different regions of the spatial converter.

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：US12253828B2

公开(公告)日：2025-03-18

申请号：US18585252

申请日：2024-02-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Wontaek Seo ,  Youngil Kim ,  Byeongsoo Son ,  Changkun Lee ,  Gyewon Seo ,  Geeyoung Sung

IPC: G03H1/22 ,  G02B27/01 ,  G02B27/28 ,  G03H1/02 ,  G03H1/12 ,  G03H1/28

Abstract: Provided is a multi-image display apparatus including a light source configured to emit light, a spatial light modulator configured to provide a first image by modulating the light emitted from the light source, and an optical system configured to transmit the first image provided by the spatial light modulator to a viewer, wherein the optical system is configured such that a travelling path of the first image provided by the spatial light modulator includes a first optical path in a first direction, a second optical path in a second direction orthogonal to the first direction, and a third optical path in a third direction orthogonal to the first direction and the second direction, respectively, and wherein the optical system is configured such that the first image and a second image provided from an optical path different from the travelling path of the first image are provided to the viewer.

公开(公告)号：US12158728B2

公开(公告)日：2024-12-03

申请号：US18476443

申请日：2023-09-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Daeho Yang ,  Sunil Kim ,  Wontaek Seo ,  Geeyoung Sung ,  Bongsu Shin ,  Jungkwuen An ,  Jangwoo You ,  Changkun Lee ,  Jong-Young Hong

IPC: G03H1/22 ,  G06T7/55

Abstract: Disclosed are a method and a system for processing a computer-generated hologram (CGH). The system for processing a CGH includes a CGH generation apparatus and a display apparatus. The CGH generation apparatus repeatedly performs a process of propagating object data from a first depth layer to a second depth layer, changing amplitude data of the object data to second predefined amplitude data, back-propagating the object data from the second depth layer to the first depth layer, and changing the amplitude data of the object data to first predefined amplitude data, and generates a CGH by using the object data.

公开(公告)号：US11947316B2

公开(公告)日：2024-04-02

申请号：US17900650

申请日：2022-08-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Wontaek Seo ,  Youngil Kim ,  Byeongsoo Son ,  Changkun Lee ,  Gyewon Seo ,  Geeyoung Sung

IPC: G03H1/22 ,  G02B27/01 ,  G02B27/28 ,  G03H1/02 ,  G03H1/12 ,  G03H1/28

CPC classification number: G03H1/2294 ,  G02B27/0101 ,  G02B27/285 ,  G03H1/12 ,  G03H1/2205 ,  G03H1/28 ,  G02B27/0103 ,  G03H2001/0224 ,  G03H2001/221

Abstract: Provided is a multi-image display apparatus including a light source configured to emit light, a spatial light modulator configured to provide a first image by modulating the light emitted from the light source, and an optical system configured to transmit the first image provided by the spatial light modulator to a viewer, wherein the optical system is configured such that a travelling path of the first image provided by the spatial light modulator includes a first optical path in a first direction, a second optical path in a second direction orthogonal to the first direction, and a third optical path in a third direction orthogonal to the first direction and the second direction, respectively, and wherein the optical system is configured such that the first image and a second image provided from an optical path different from the travelling path of the first image are provided to the viewer.

公开(公告)号：US11947114B2

公开(公告)日：2024-04-02

申请号：US17338970

申请日：2021-06-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seokil Moon ,  Changkun Lee ,  Geeyoung Sung ,  Hongseok Lee

IPC: G02B27/01 ,  G02B5/32

CPC classification number: G02B27/0172 ,  G02B5/32 ,  G02B2027/0174 ,  G02B2027/0178

Abstract: A holographic lens and a display apparatus using the same as a combiner, the holographic lens including a phase profile obtained through an optimization process for each position to form an imaging optical system for forming a virtual image of lights emitted from a plurality of areas.

公开(公告)号：US11803155B2

公开(公告)日：2023-10-31

申请号：US17331198

申请日：2021-05-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Daeho Yang ,  Sunil Kim ,  Wontaek Seo ,  Geeyoung Sung ,  Bongsu Shin ,  Jungkwuen An ,  Jangwoo You ,  Changkun Lee ,  Jong-Young Hong

IPC: G03H1/22 ,  G06T7/55

CPC classification number: G03H1/2202 ,  G06T7/55 ,  G03H2226/02 ,  G06T2207/20056

Abstract: Disclosed are a method and a system for processing a computer-generated hologram (CGH). The system for processing a CGH includes a CGH generation apparatus and a display apparatus. The CGH generation apparatus repeatedly performs a process of propagating object data from a first depth layer to a second depth layer, changing amplitude data of the object data to second predefined amplitude data, back-propagating the object data from the second depth layer to the first depth layer, and changing the amplitude data of the object data to first predefined amplitude data, and generates a CGH by using the object data.

公开(公告)号：US11682325B2

公开(公告)日：2023-06-20

申请号：US17512245

申请日：2021-10-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seokil Moon ,  Changkun Lee ,  Geeyoung Sung

IPC: G09G3/00 ,  G02B27/01

CPC classification number: G09G3/003 ,  G02B27/0103 ,  G02B27/017 ,  G02B27/0172 ,  G02B2027/014 ,  G02B2027/0134 ,  G02B2027/0185 ,  G09G2340/0464 ,  G09G2354/00 ,  G09G2380/10

Abstract: Provided is a display apparatus including an image generator configured to time-sequentially generate a plurality of images by modulating light, and an optical system including a freeform surface that is configured to time-sequentially form a plurality of virtual images respectively corresponding to the plurality of images at different depths from a user's eye, wherein each error value among error values between the plurality of images and the plurality of virtual images respectively corresponding to the plurality of images on the freeform surface is less than or equal to a profile value of the freeform surface.

公开(公告)号：US11586091B2

公开(公告)日：2023-02-21

申请号：US17489235

申请日：2021-09-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bongsu Shin ,  Hongseok Lee ,  Changkun Lee

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

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：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.