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公开(公告)号：US20230062633A1
公开(公告)日：2023-03-02
申请号：US17752372
申请日：2022-05-24
Inventor： Bongsu Shin , Jesung Koh , Changhwan Kim , Doohoe Lee , Hongseok LEE
Abstract: A projection optical system includes a base, a mirror on the base, and a pair of first actuators provided between the base and the mirror, and facing each other. Each of the pair of first actuators includes a first electroactive polymer film having a size that varies according to an applied voltage, and a slope of the mirror is adjusted according to a change in the size of the first electroactive polymer film.
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公开(公告)号：US20230032297A1
公开(公告)日：2023-02-02
申请号：US17956376
申请日：2022-09-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil KIM , Druzhin Vladislav , Malinina Polina , Bongsu Shin , Dubynin Sergey
Abstract: Provided a display apparatus including an image forming apparatus configured to form an image, a projection optical system configured to project the image formed by the image forming apparatus, and a combining optical system configured to provide the image projected from the projection optical system combined with light emitted from an external landscape, wherein the combining optical system is configured to divide the image projected from the projection optical system into same images and focus the same images on different positions.
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公开(公告)号：US11243427B2
公开(公告)日：2022-02-08
申请号：US16269149
申请日：2019-02-06
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：US11187896B2
公开(公告)日：2021-11-30
申请号：US16835763
申请日：2020-03-31
Inventor： Bongsu Shin , Jesung Koh , Dongjin Kim , Geeyoung Sung , Hongseok Lee
Abstract: An image display device includes a display device configured to modulate light to form an image, a light transmitting unit that transmits the image formed by the display device to eyes of a viewer and includes a focusing member, a driving unit that applies a driving force to a central position of the display device in a direction to change a distance between the display device and the light transmitting unit in the direction, a processor configured to control the display device, a connector disposed between one end of the display device and the processor, the connector connecting the display device to the processor, and a tilt prevention unit that applies an elastic force in the direction to the one end of the display device and to another end of the display device opposite to the one end.
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公开(公告)号：US10788681B2
公开(公告)日：2020-09-29
申请号：US15654097
申请日：2017-07-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunghoon Lee , Dongouk Kim , Joonyong Park , Jihyun Bae , Hoon Song , Bongsu Shin , Dongsik Shim , Jaeseung Chung
IPC: F21V8/00 , G02B6/34 , G02B5/18 , G02F1/13357 , G02B30/00
Abstract: A backlight unit for a three-dimensional (3D) image display includes a light guiding plate configured to guide light; a light source configured to emit the light to the light guiding plate; and a diffraction grating structure provided on a surface of the light guiding plate, the diffraction grating structure configured to diffract the light emitted from the surface of the light guiding plate, and including diffracting gratings having different heights.
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Patent Agency Ranking
36.发明授权公开(公告)号：US10114225B2
公开(公告)日：2018-10-30
申请号：US15269136
申请日：2016-09-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyunjoon Kim , Joonyong Park , Bongsu Shin , Dongouk Kim , Jihyun Bae , Dongsik Shim , SungHoon Lee , Jaeseung Chung , Seogwoo Hong
Abstract: A directional backlight unit, a three-dimensional (3D) image display apparatus, and a 3D image displaying method are provided. The directional backlight unit includes a light guide plate having an emission surface on which a plurality of grating elements including first and second groups of grating elements are provided. The plurality of grating elements are arranged such that light beams emitted from the first and second groups of grating elements commonly propagate through a plurality of pixel points and respectively form first and second groups of view points of which corresponding regions do not overlap with each other.
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公开(公告)号：US20180217490A1
公开(公告)日：2018-08-02
申请号：US15791518
申请日：2017-10-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Bongsu Shin , Dongouk Kim , Joonyong Park , Jihyun Bae , Dongsik Shim , Sunghoon Lee , Jaeseung Chung
CPC classification number: G03B35/20 , B60K35/00 , B60K2370/1531 , B60K2370/33 , B60K2370/334 , B60K2370/77 , G02B27/0101 , G02B27/225 , G02B2027/0134 , G03B21/58 , G03B21/60 , G03B21/62 , H04N9/3129 , H04N9/3147 , H04N9/3194 , H04N13/32 , H04N13/351 , H04N13/363 , H04N2213/001
Abstract: There is provided a three-dimensional (3D) projection system including a diffraction element having a grating pattern and a plurality of projectors that project light having image information onto the diffraction element. The diffraction element displays a 3D image at multiple viewing points by adjusting a light exit direction based on an incident angle of the light projected by each of the plurality of projectors at the grating pattern.
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公开(公告)号：US10025160B2
公开(公告)日：2018-07-17
申请号：US15213792
申请日：2016-07-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Joonyong Park , Dongouk Kim , Hyunjoon Kim , Jihyun Bae , Alexander V. Morozov , Bongsu Shin , Sunghoon Lee , Changsoo Lee , Jaeseung Chung
IPC: H04N13/00 , G02B27/22 , G02B3/12 , G02F1/136 , G02F1/1334 , F21V8/00 , G02F1/31 , G02F1/1335 , G02F1/29
Abstract: Provided are a lighting system, a backlight unit and a 3D image display apparatus including the backlight unit. The backlight unit includes: a lighting system configured to selectively output collimated light and diverging light, a diffraction device, and a light guide plate configured to guide the collimated light and the diverging light from the lighting system to the diffraction device. An exit direction of the collimated light from the diffraction device depends on at least one of an angle of incidence of the collimated light and the wavelength of the collimated light.
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39.发明申请公开(公告)号：US20180149799A1
公开(公告)日：2018-05-31
申请号：US15687013
申请日：2017-08-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongsik Shim , Bongsu Shin , Dongouk Kim , Joonyong Park , Jihyun Bae , Sunghoon Lee , Jaeseung Chung
IPC: F21V8/00
Abstract: There are provided a backlight unit, a 3D image display apparatus, and a method of manufacturing the same. The backlight unit may include a light source, a light guide plate that guides light irradiated from the light source, and including an exit surface through which the light exits, and a reflection plate provided on at least a part of the exit surface of the light guide plate.
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40.发明申请公开(公告)号：US20180136478A1
公开(公告)日：2018-05-17
申请号：US15655327
申请日：2017-07-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jihyun Bae , Joonyong Park , Youngju Jeong , Bongsu Shin , Dongouk Kim , Dongsik Shim , Sunghoon Lee , Jaeseung Chung
IPC: G02B27/22 , G09G3/34 , G06T7/00 , G02F1/1335
Abstract: A method of correcting optical characteristics of a back light unit (BLU) for a three-dimensional (3D) display apparatus includes: obtaining first optical characteristics of a reference image; obtaining a corrected image by applying an initial correction value, which is determined based on the first optical characteristics, to the reference image; obtaining second optical characteristics of the corrected image; determining whether the second optical characteristics match reference optical characteristics; outputting the corrected image based on determining that the second optical characteristics match the reference optical characteristics, and obtaining a new corrected image and repeating, for the new corrected image, the obtaining the second optical characteristics and the determining whether the second optical characteristics match the reference optical characteristics, based on determining that the second optical characteristics of the corrected image do not match the reference optical characteristics.
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