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公开(公告)号：US20170123204A1
公开(公告)日：2017-05-04
申请号：US15337548
申请日：2016-10-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Geeyoung SUNG , Yuntae KIM , Jungkwuen AN , Hongseok LEE
Abstract: A see-through holographic display apparatus includes a relay optical system expanding or reducing and transferring a hologram image generated by a spatial light modulator, a noise removal filter removing noise from diffraction light of the hologram image transferred through the relay optical system, and a light path converter changing at least one of a path of the diffraction light of the hologram image transferred from the relay optical system and a path of external light.
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公开(公告)号：US20240078941A1
公开(公告)日：2024-03-07
申请号：US18508678
申请日：2023-11-14
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
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.
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公开(公告)号：US20220066391A1
公开(公告)日：2022-03-03
申请号：US17172196
申请日：2021-02-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Geeyoung SUNG , Daeho Yang , Hongseok Lee
Abstract: A holographic display apparatus and a holographic display method are provided. The holographic display apparatus determines a representative depth from 3D image data; calculates a computer generated hologram (CGH) corresponding to the representative depth on the 3D image data; obtains the modulated CGH by modulating a phase of the CGH to increase an eye box; modulates a light according to the modulated CGH and generates a hologram image; and forms the generated hologram image at the representative depth.
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公开(公告)号：US20210271090A1
公开(公告)日：2021-09-02
申请号：US17170269
申请日：2021-02-08
Inventor： Bongsu SHIN , Jesung KOH , Geeyoung SUNG , Hongseok LEE , Dongjin KIM , Baekgyeom KIM
IPC: G02B27/01 , G02B30/34 , H04N13/344 , H04N13/128 , H04N13/366
Abstract: Provided is an image display device including a display element configured to modulate light to form an image; a light transfer unit configured to transmit the image formed by the display element to eyes of an observer, the light transfer unit comprising a focusing member; and a driver configured to drive the display element to change a position of the display element, the driver including: a first actuator comprising a deformable wire; a housing that fixes a first end and a second end of the deformable wire; and an operating structure through which the deformable wire is routed, wherein the operating structure is configured move the display element in a first direction in conjunction with a length variation of the deformable wire, and the operating structure includes an elastic structure configured to prevent tilt with respect to an axis in the first direction.
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25.发明申请公开(公告)号：US20210109352A1
公开(公告)日：2021-04-15
申请号：US16983284
申请日：2020-08-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changkun LEE , Jaeseung CHUNG , Juwon SEO , Geeyoung SUNG
Abstract: A see-through type display device includes a display panel configured to generate first image light, a beam splitter configured to reflect the first image light and generate second image light, and a light coupling lens including a first surface on which the second image light is incident and a second surface provided opposite to the first surface, the first surface being aspherical.
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Patent Agency Ranking
公开(公告)号：US20200294190A1
公开(公告)日：2020-09-17
申请号：US16539618
申请日：2019-08-13
Inventor： Bongsu SHIN , Woojun HAN , Jaisoon KIM , Sunil KIM , Geeyoung SUNG
Abstract: Provided is a display apparatus including an image forming optical system configured to form an image to be displayed, an eyepiece optical system configured to provide the image formed by the image forming optical system to a pupil of an observer, and an image shifting optical system disposed on an optical path between the image forming optical system and the eyepiece optical system, the image shifting optical system being configured to shift the image formed by the image forming optical system in a direction perpendicular to an optical axis, wherein the image shifting optical system includes a first optical member having a first focal length and a second optical member having a second focal length, and wherein a distance between the first optical member and the second optical member along the optical axis is equal to a sum of the first focal length and the second focal length.
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27.发明申请公开(公告)号：US20190324272A1
公开(公告)日：2019-10-24
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
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.
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公开(公告)号：US20190324271A1
公开(公告)日：2019-10-24
申请号：US16130613
申请日：2018-09-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changkun LEE , Wontaek SEO , Geeyoung SUNG , Hongseok LEE
Abstract: A see-through type display apparatus includes an image forming unit; a relay optical system configured to transmit an image provided from the image forming unit and to form a primary imaging image; and an optical combiner configured to reimage the primary imaging image transmitted from the relay optical system and to form a multi-depth plane. The relay optical system includes a lens; a polarizer arranged at an angle with respect to an optical axis and configured to reflect light of light of a first polarization and transmit light of second polarization therethrough; a condensing mirror member configured to reflect and condense light incident from the polarizer; and a polarization converter configured to convert a polarization of light transmitted between the polarizer and the condensing mirror member.
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公开(公告)号：US20190271941A1
公开(公告)日：2019-09-05
申请号：US16415741
申请日：2019-05-17
Applicant: SAMSUNG ELECTRONICS CO., LTD. , KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： Geeyoung SUNG , Joonku HAHN , Wontaek SEO , Hongseok LEE
Abstract: A holographic display apparatus capable of steering a location of a viewing window according to a location of an observer is disclosed. The holographic display apparatus includes a light source; a spatial light modulator configured to modulate incident light and thereby reproduce the holographic image; a spatial filter configured to transmit only the holographic image; an eye tracker configured to track a pupil location of an observer; and a controller configured to adjust locations of the light source and the spatial filter in response to a change in the pupil location of the observer received from the eye tracker. The controller is configured to move the light source and the spatial filter simultaneously in the same direction by the same distance.
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公开(公告)号：US20190035157A1
公开(公告)日：2019-01-31
申请号：US16046033
申请日：2018-07-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaeseung CHUNG , Dongouk KIM , Joonyong PARK , Geeyoung SUNG , Bongsu SHIN , Sunghoon LEE , Hongseok LEE
Abstract: Provided are head-up display apparatuses and operating methods thereof. The head-up display apparatus simultaneously outputs a plurality of object images on different regions from each other on a screen, generates, by using an optical characteristic, depth information with respect to the object images to sequentially change depth information of at least two of the object images, and converges the object images having depth information and the reality environment into a single region by changing at least one of an optical path of the object images having the depth information and an optical path of the reality environment.
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