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公开(公告)号：US20190257992A1
公开(公告)日：2019-08-22
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
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.
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公开(公告)号：US20250093647A1
公开(公告)日：2025-03-20
申请号：US18897860
申请日：2024-09-26
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jaeseung CHUNG , Seokil MOON , Hoon SONG , Jungkwuen AN , Changkun LEE
Abstract: A display system is provided. The display system includes an electronic device including a plurality of projectors emitting a light for providing a three-dimensional (3D) image, and a screen including a geometric phase layer and a retroreflection layer, the geometric phase layer refracts light incident from the plurality of projectors in different directions according to a polarization of the light and the retroreflection layer reflects light incident from the geometric phase layer in an opposite direction to an incident direction, wherein, based on the polarization of the light emitted from the plurality of projectors being a first polarization from among a right-circularly polarization and a left-circularly polarization, the emitted light is refracted in a first direction by the geometric phase layer, the light refracted in the first direction is reflected in an opposite direction to the first direction by the retroreflection layer, and the reflected light is refracted in a second direction toward a predetermined location corresponding to both eyes of a user by the geometric phase layer, and wherein, based on the polarization of the light emitted from the plurality of projectors being a second polarization, the emitted light is refracted in a third direction different from the first direction by the geometric phase layer, the light refracted in the third direction is reflected in an opposite direction to the third direction by the retroreflection layer, and the reflected light is refracted in a fourth direction different from the second direction by the geometric phase layer.
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公开(公告)号：US20250008072A1
公开(公告)日：2025-01-02
申请号：US18670012
申请日：2024-05-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Geeyoung SUNG , Changkun LEE , Jungkwuen AN , Hongsuk KIM
IPC: H04N13/305 , G06T7/507 , G06T7/593 , G09G3/36 , H04N13/15 , H04N13/282 , H04N13/351 , H04N13/356 , H04N13/398
Abstract: An electronic apparatus and a method for controlling thereof are provided. The electronic apparatus includes a first display comprising a first display panel for displaying a multi-view image and a micro-lens array which is arranged on a front surface of the first display panel and is for adjusting directions of lights output through the first display panel, a second display comprising a second display panel which is arranged on the front surface of the first display and displays a two-dimensional image corresponding to the multi-view image and has a transmittance greater than or equal to a predetermined value, memory storing one or more computer program, and one or more processors communicatively coupled to the first display, the second display, and the memory.
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公开(公告)号：US20230400811A1
公开(公告)日：2023-12-14
申请号：US18116528
申请日：2023-03-02
Inventor： Seokil MOON , Dongheon YOO , Changkun LEE , Byoungho LEE , Minseok CHAE
CPC classification number: G03H1/32 , G03H1/2645 , G06T7/168 , G06T5/002 , G03H2226/02 , G03H2225/32 , G03H2001/2655 , G06T2207/20021 , G06T2200/24 , G06T2207/20048
Abstract: A hologram profile optimization method includes: setting a first hologram profile as a variable; and performing an optimization cycle a predetermined number of times, wherein the optimization cycle includes encoding the first hologram profile into a binary hologram profile by using an ApproxSign function; calculating a field value of a holographic image on a display surface for the binary hologram profile, considering high-order diffraction term noise of the holographic image by using a tiling function; calculating an intensity of the holographic image on the display surface; calculating a loss function value based on a difference between the intensity of the holographic image and an intensity of a target image; and updating the first hologram profile to a second hologram profile based on the loss function value.
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公开(公告)号：US20230168509A1
公开(公告)日：2023-06-01
申请号：US17744800
申请日：2022-05-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changkun LEE , Seokil MOON
CPC classification number: G02B27/0172 , G02B6/0026 , G02B6/0036 , G02B6/0065
Abstract: A display apparatus includes a waveguide; an input coupler on the waveguide and configured to introduce light containing an image into the waveguide; and an output coupler on the waveguide and configured to output light traveling in the waveguide to the outside of the waveguide, wherein the output coupler includes a plurality of first diffraction grating elements arranged apart from each other and configured to diffract a first light portion in a first wavelength band among the light traveling in the waveguide.
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Patent Agency Ranking
公开(公告)号：US20220283435A1
公开(公告)日：2022-09-08
申请号：US17537157
申请日：2021-11-29
Applicant: SAMSUNG ELECTRONICS CO., LTD. , SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION , AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： Jangwoo YOU , Kyujin CHO , Changkun LEE , Hongseok LEE , Jesung KOH , Yongmin PARK , Sunpil JEONG
Abstract: A multi-degree of freedom (DOF) moving stage includes: an end-effector; three driven links pivotably connected to the end-effector at angular intervals from each other; three driving links pivotably connected to the three driven links, respectively; and three actuators configured to drive the three driving links, respectively. Each of the three driven links includes first to fourth arms arranged at intervals; and a flexible member that connects the first to fourth arms to each other in a parallelogram shape across the intervals and forms pivotable joints at the intervals.
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公开(公告)号：US20210191129A1
公开(公告)日：2021-06-24
申请号：US17131131
申请日：2020-12-22
Inventor： Changkun LEE , Byoungho LEE , Jinsoo JEONG , Seokil MOON , Geeyoung SUNG , Hongseok LEE
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.
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公开(公告)号：US20210055564A1
公开(公告)日：2021-02-25
申请号：US16773359
申请日：2020-01-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Geeyoung SUNG , Changkun LEE , Hongseok LEE
Abstract: An augmented reality display device including a vision correction lens includes an optical combining element disposed to be inclined with respect to an eyeglass, a virtual image supply unit supplying a virtual image to the optical combining element, and a vision correction lens (frequency clip) disposed to be inclined with respect to the eyeglass. The vision correction lens and the optical combining element may be disposed parallel to each other with the same inclination angle.
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公开(公告)号：US20250008079A1
公开(公告)日：2025-01-02
申请号：US18764843
申请日：2024-07-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokil MOON , Bongsu SHIN , Hoon SONG , Changkun LEE
IPC: H04N13/359 , B82Y20/00 , G02B1/00 , G02B27/00 , H04N13/305 , H04N13/337 , H04N13/398
Abstract: A display module includes: a light emitter configured to emit light corresponding to image data through a plurality of pixels; a polarization adjuster configured to, based on a request to provide an image in three dimensions or two dimensions, adjust a polarization of light incident from the light emitter to a first polarization or a second polarization different from the first polarization; a geometric phase lens configured to operate as a convex lens or a concave lens based on the polarization of light incident from the polarization adjuster; and a lenticular lens configured to output light incident from the geometric phase lens in a preset direction.
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公开(公告)号：US20220413436A1
公开(公告)日：2022-12-29
申请号：US17900650
申请日：2022-08-31
Applicant: SAMSUNG ELECTRONICS CO., LTD , EPICOPTIX
Inventor： Wontaek SEO , Youngil KIM , Byeongsoo SON , Changkun LEE , Gyewon SEO , Geeyoung SUNG
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.
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