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：US11854443B2

公开(公告)日：2023-12-26

申请号：US17500098

申请日：2021-10-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Kim ,  Geunwoo Ko ,  Minsu Kim ,  Geeyoung Sung ,  Dongyeoul Lee ,  Sangbum Lee ,  Jonghyun Lee ,  Hongseok Lee ,  Punjae Choi ,  Jong-Young Hong

IPC: G09G3/32 ,  G02B30/34 ,  G03H1/22 ,  G09G3/00

CPC classification number: G09G3/001 ,  G02B30/34 ,  G03H1/2205 ,  G03H1/2294 ,  G09G3/32 ,  G03H2222/34 ,  G09G2320/064 ,  G09G2330/08

Abstract: A three-dimensional holographic display device includes a light emitting diode (LED) array including a plurality of light sources controlled to sequentially output light according to a preset pattern, a lens configured to refract light incident from the LED array, a spatial light modulator (SLM) configured to modulate light incident from the lens, and a processor configured to generate a plurality of holographic signals each comprising depth information adjusted according to an arrangement location of each of the plurality of light sources, and for each of the plurality of light sources, control the SLM to modulate the light based on a holographic signal corresponding to the light source.

公开(公告)号：US11852840B2

公开(公告)日：2023-12-26

申请号：US17241774

申请日：2021-04-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seokil Moon ,  Sangeun Mun ,  Sunil Kim ,  Wontaek Seo ,  Geeyoung Sung ,  Bongsu Shin ,  Daeho Yang ,  Hongseok Lee ,  Seunghoon Han

IPC: G02B27/28 ,  G02B27/01 ,  G02B27/00 ,  G02B26/08

CPC classification number: G02B27/286 ,  G02B27/0093 ,  G02B27/0172 ,  G02B26/0816 ,  G02B2027/0174 ,  G02B2027/0178

Abstract: A display device including a meta surface is provided. The display device includes an image provider comprising a spatial light modulator configured to modulate light according to image information, wherein the image provider is configured to provide the light comprising the image information; an optical element configured to focus the light from the image provider; and a meta surface deflector positioned between the image provider and the optical element to deflect the light, and change a deflection direction of the light according to a polarization of the light so that a first position of the light of a first polarization focused by the optical element is different than a second position of the light of a second polarization orthogonal to the first polarization focused by the optical element.

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：US20230043244A1

公开(公告)日：2023-02-09

申请号：US17969432

申请日：2022-10-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N13/128 ,  H04N13/111

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：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：US11429064B2

公开(公告)日：2022-08-30

申请号：US16931151

申请日：2020-07-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G03H1/12 ,  G02B27/01 ,  G03H1/22 ,  G02B5/32 ,  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：US20220121061A1

公开(公告)日：2022-04-21

申请号：US17563649

申请日：2021-12-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changkun Lee ,  Wontaek Seo ,  Geeyoung Sung ,  Bongsu Shin ,  Jungkwuen An

IPC: G02F1/1335 ,  G02B5/08 ,  G02B5/30 ,  G02B27/00 ,  G02B27/10 ,  G02B27/28

Abstract: A display apparatus includes: a display device configured to output a first image; an optical coupler configured to: combine the first image received through a first path from the display device with a second image received through a second path that is different from the first path, output, through an exit surface of the optical coupler, a first light corresponding to the first image in a first polarization and a second light corresponding to the second image in a second polarization; and a polarization selection optical system arranged on the exit surface of the optical coupler and configured to have different refractive power with respect to the first light of the first polarization and the second light of the second polarization.

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.