公开(公告)号：US11237316B2

公开(公告)日：2022-02-01

申请号：US17034923

申请日：2020-09-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong-Young Hong ,  Hoon Song ,  Jungkwuen An ,  Hongseok Lee

IPC: F21V8/00

Abstract: An optical device includes a first backlight configured to output first light of a first wavelength through a first output coupler, a first lens disposed to face the first output coupler and having a focal length with respect to the first light, a second backlight including a second output coupler, the second backlight being configured to output second light of a second wavelength through the second output coupler, a second lens disposed to face the second output coupler and having different focal lengths with respect to the first light and the second light, a third backlight including a third output coupler, the third backlight being configured to output third light of a third wavelength through the third output coupler, and a third lens disposed to face the third output coupler and having different focal lengths with respect to the first light, the second light, and the third light.

公开(公告)号：US20210373337A1

公开(公告)日：2021-12-02

申请号：US17107109

申请日：2020-11-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong-Young Hong ,  Hongseok Lee ,  Young Kim

IPC: G02B27/01 ,  G02B27/44 ,  H04N9/31

Abstract: A display apparatus capable of providing an expanded viewing window includes a light guide plate including an input coupler and an output coupler; and an image providing apparatus facing the input coupler to provide an image to the input coupler. The input coupler may include a plurality of sub input couplers configured to propagate the image provided from the image providing apparatus at different angles in the light guide plate.

公开(公告)号：US20210318480A1

公开(公告)日：2021-10-14

申请号：US17034923

申请日：2020-09-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jong-Young Hong ,  Hoon Song ,  Jungkwuen An ,  Hongseok Lee

IPC: F21V8/00

Abstract: An optical device includes a first backlight configured to output first light of a first wavelength through a first output coupler, a first lens disposed to face the first output coupler and having a focal length with respect to the first light, a second backlight including a second output coupler, the second backlight being configured to output second light of a second wavelength through the second output coupler, a second lens disposed to face the second output coupler and having different focal lengths with respect to the first light and the second light, a third backlight including a third output coupler, the third backlight being configured to output third light of a third wavelength through the third output coupler, and a third lens disposed to face the third output coupler and having different focal lengths with respect to the first light, the second light, and the third light.

公开(公告)号：US12181674B2

公开(公告)日：2024-12-31

申请号：US17526764

申请日：2021-11-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changkun Lee ,  Seokil Moon ,  Geeyoung Sung ,  Hongseok Lee ,  Jong-Young Hong

IPC: G02B27/10 ,  F21V8/00 ,  G02B27/00 ,  G02B27/01

Abstract: A foveated display apparatus includes a first display panel configured to form a two-dimensional (2D) image; a second display panel configured to form a hologram image comprising a three-dimensional (3D) image; a light guide plate configured to transmit the 2D image at a first angle of view to an eye of a user; and a holographic optical element configured to transmit the hologram image at a second angle of view to the eye of the user, the second angle of view being smaller than the first angle of view.

公开(公告)号：US20240027961A1

公开(公告)日：2024-01-25

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

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：US11880049B2

公开(公告)日：2024-01-23

申请号：US18194080

申请日：2023-03-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Kim ,  Soonbum Kwon ,  Byonggwon Song ,  Jungkwuen An ,  Kanghee Won ,  Hongseok Lee ,  Jong-Young Hong

IPC: G02B30/25 ,  G02F1/13 ,  G02F1/1335

CPC classification number: G02B30/25 ,  G02F1/133528 ,  G02F1/133538

Abstract: A geometric phase optical element and a three-dimensional display apparatus including the same are provided. The geometric phase optical element includes: a liquid crystal layer; a first electrode on a surface of the liquid crystal layer; and a second electrode on another surface of the liquid crystal layer, wherein, when no voltage is applied to the first and second electrodes, the liquid crystal layer is configured such that a phase difference according to an arrangement of the liquid crystal is π and light transmitted through the liquid crystal layer is diffracted by a first deflection angle, and when a first voltage that causes the phase difference according to the arrangement of the liquid crystal to become π/2 is applied to the first and second electrodes, the liquid crystal layer is configured such that the light transmitted through the liquid crystal layer is diffracted by a second deflection angle.

公开(公告)号：US11740587B2

公开(公告)日：2023-08-29

申请号：US17318784

申请日：2021-05-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Daeho Yang ,  Myungjae Jeon ,  Jong-Young Hong ,  Hongseok Lee

IPC: G03H1/22 ,  G03H1/08

CPC classification number: G03H1/2294 ,  G03H1/0841 ,  G03H2225/34

Abstract: Provided is a method of generating a computer-generated hologram (CGH), the method including obtaining complex data including amplitude data of object data and phase data of the object data corresponding to a spatial light modulator (SLM) plane by propagating the object data from an image plane to the SLM plane, encoding the complex data into encoded amplitude data, and generating a CGH based on the object data including the encoded amplitude data.

公开(公告)号：US11714222B2

公开(公告)日：2023-08-01

申请号：US17555070

申请日：2021-12-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong-Young Hong ,  Hoon Song ,  Jungkwuen An ,  Hongseok Lee

IPC: F21V8/00

CPC classification number: G02B6/003 ,  G02B6/005 ,  G02B6/0076

Abstract: Provided is an optical device including a first backlight configured to output first light of a first wavelength through a first output coupler, a first lens disposed to face the first output coupler and having a focal length with respect to the first light, a second backlight including a second output coupler, the second backlight being configured to output second light of a second wavelength through the second output coupler, a second lens disposed to face the second output coupler and having different focal lengths with respect to the first light and the second light, a third backlight including a third output coupler, the third backlight being configured to output third light of a third wavelength through the third output coupler, and a third lens disposed to face the third output coupler and having different focal lengths with respect to the first light, the second light, and the third light.

公开(公告)号：US12235453B2

公开(公告)日：2025-02-25

申请号：US18466664

申请日：2023-09-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong-Young Hong ,  Hongseok Lee ,  Young Kim

IPC: G02B27/01 ,  F21V8/00 ,  G02B5/18 ,  G02B27/00 ,  G02B27/42 ,  G02B27/44 ,  G02B30/40 ,  H04N9/31

Abstract: A display apparatus capable of providing an expanded viewing window includes a light guide plate including an input coupler and an output coupler; and an image providing apparatus facing the input coupler to provide an image to the input coupler. The input coupler may include a plurality of sub input couplers configured to propagate the image provided from the image providing apparatus at different angles in the light guide plate.

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.