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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
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：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
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.
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公开(公告)号：US11156896B2
公开(公告)日：2021-10-26
申请号：US16841149
申请日：2020-04-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Bongsu Shin , Hongseok Lee , Changkun Lee
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.
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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
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：US20210263318A1
公开(公告)日：2021-08-26
申请号：US17039000
申请日：2020-09-30
Inventor： Changkun Lee , Seokil Moon , Byoungho Lee , Geeyoung Sung , Hongseok Lee
Abstract: An optical apparatus and a near-eye display apparatus including the same are provided. The optical apparatus includes a display panel configured to form an image, a first polarization rotator configured to electrically control a light emitted from the display panel to have a first polarization state, a first ¼ wave plate configured to convert the first polarization state of a light transmitted from the first polarization rotator to a second polarization state, and an optical element group configured to display a first image having a first viewing angle and a second image having a second viewing angle that is greater than the first viewing angle based on the second polarization state of a light transmitted from the first ¼ wave plate.
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Patent Agency Ranking
公开(公告)号：US20210048677A1
公开(公告)日：2021-02-18
申请号：US17089038
申请日：2020-11-04
Inventor： Geeyoung Sung , Hongseok Lee , Byoungho Lee , Changkun Lee , Seokil Moon , Jongyoung Hong
Abstract: A see-through type display apparatus includes a see-through type optical system configured to transmit a first image via a first-path light, which is light traveling on a first path, to an ocular organ of a user, and a second image via a second-path light, which is light traveling on a second path, to the ocular organ of the user; and an incident light-dependent lens unit provided between the see-through type optical system and the ocular organ of the user and having different refractive powers according to characteristics of incident light, where the incident light-dependent lens unit has a positive first refractive power with respect to the first-path light and has a second refractive power different from the first refractive power with respect to the second-path light.
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公开(公告)号：US10908424B2
公开(公告)日：2021-02-02
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：US20200150587A1
公开(公告)日：2020-05-14
申请号：US16381195
申请日：2019-04-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chilsung Choi , Hoon Song , Jungkwuen An , Changkun Lee , Hongseok Lee
Abstract: A backlight unit and a holographic display apparatus including the same are provided. The backlight unit includes a light guide plate and a uniformity changing element. The uniformity changing element has a light-incident surface and a light-exiting surface facing the light-incident surface, and the uniformity changing element receives the light output from the light guide plate through the light-incident surface, changes uniformity of the received light from the light guide plate and outputs the received light with the change in the uniformity of the received light through the light-exiting surface.
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公开(公告)号：US20190049732A1
公开(公告)日：2019-02-14
申请号：US15868145
申请日：2018-01-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changkun Lee , Geeyoung Sung , Wontaek Seo , Hongseok Lee
IPC: G02B27/01
Abstract: An optical window system includes: a path conversion member configured to change a path of light of a first image from a first direction to a second direction, the path conversion member being translucent to light incident in the second direction; and a focusing member configured to focus the light of the first image in the second direction. Moreover, the path conversion member is configured to occupy a space according to an angle, defined by a first length of the path conversion member in the first direction and a second length of the path conversion member in the second direction, satisfying a predetermined condition, thereby reducing a system thickness and providing a wide field of view.
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公开(公告)号：US20180107000A1
公开(公告)日：2018-04-19
申请号：US15788402
申请日：2017-10-19
Inventor： Geeyoung Sung , Hongseok Lee , Byoungho Lee , Changkun Lee , Seokil Moon , Jongyoung Hong
CPC classification number: G02B27/0172 , G02B3/10 , G02B3/14 , G02B5/3083 , G02B27/144 , G02B27/283 , G02B2027/011 , G02B2027/0123 , G02B2027/0178 , G02C7/022 , G02C7/06 , G02F1/293 , G02F2001/294
Abstract: A see-through type display apparatus includes a see-through type optical system configured to transmit a first image via a first-path light, which is light traveling on a first path, to an ocular organ of a user, and a second image via a second-path light, which is light traveling on a second path, to the ocular organ of the user; and an incident light-dependent lens unit provided between the see-through type optical system and the ocular organ of the user and having different refractive powers according to characteristics of incident light, where the incident light-dependent lens unit has a positive first refractive power with respect to the first-path light and has a second refractive power different from the first refractive power with respect to the second-path light.
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