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公开(公告)号：US10393945B2
公开(公告)日：2019-08-27
申请号：US15860202
申请日：2018-01-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongouk Kim , Joonyong Park , Jaeseung Chung , Alexander V. Morozov , Bongsu Shin , Jihyun Bae , Seokho Song , Dongsik Shim , Sunghoon Lee
Abstract: Provided are a directional backlight unit and an image display apparatus including the same. The directional backlight unit includes at least one light source, a light guide plate arranged at a side of the at least one light source and configured to guide light emitted from the at least one light source by total reflection, a plurality of diffraction gratings arranged in a pattern at a surface of the light guide plate and configured to diffract the light and to emit the light diffracted by the plurality of diffraction gratings at a predetermined angle from a front surface; and a mirror arranged at a rear surface of the light guide plate and configured to reflect the light diffracted by the plurality of diffraction gratings toward the light guide plate, the rear surface of the light guide plate being opposite to the front surface of the light guide plate.
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公开(公告)号：US10379280B2
公开(公告)日：2019-08-13
申请号：US15414015
申请日：2017-01-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaeseung Chung , Bongsu Shin , Joonyong Park , Sunghoon Lee , Dongouk Kim , Hyunjoon Kim , Jihyun Bae , Dongsik Shim
Abstract: A directional backlight unit and a three-dimensional (3D) image display device including the directional backlight unit are provided. The directional backlight unit includes: a light guide plate, a light source configured to irradiate an incident surface of the light guide plate with a plurality of color lights, and a grating that includes a sub-grating configured to react to all of the plurality of color lights. The directional backlight unit may further include a color filter that corresponds to a plurality of color lights emitted from each sub-grating.
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公开(公告)号：US20160054498A1
公开(公告)日：2016-02-25
申请号：US14733234
申请日：2015-06-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jaeseung Chung , Dongouk Kim , Joonyong Park , Jihyun Bae , Bongsu Shin , Sunghoon Lee , Sukgyu Hahm , Jong G. Ok , Ilsun Yoon
CPC classification number: G02B5/3058 , B29D11/00644 , B29K2101/10 , G03F7/0002
Abstract: A pattern structure includes a plurality of pattern structure units arranged substantially on a same plane, where each of the pattern structure units has a first surface and a second surface, which are opposite to each other, and a microstructure is defined on the first surface of each of the pattern structure units, and a flattening layer disposed on the second surface of each of the plurality of pattern structure units, where the flattening layer connects the pattern structure units with each other, and a vertical step difference exists between second surfaces of the pattern structure units.
Abstract translation: 图案结构包括基本上在同一平面上布置的多个图案结构单元，其中每个图案结构单元具有彼此相对的第一表面和第二表面，并且在第一表面上限定微结构 每个图案结构单元和布置在多个图案结构单元的每个的第二表面上的平坦化层，其中平坦化层将图案结构单元彼此连接，并且在第二表面之间存在垂直的阶差 图案结构单位。
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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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25.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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Patent Agency Ranking
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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28.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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29.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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公开(公告)号：US09784896B2
公开(公告)日：2017-10-10
申请号：US14733234
申请日：2015-06-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jaeseung Chung , Dongouk Kim , Joonyong Park , Jihyun Bae , Bongsu Shin , Sunghoon Lee , Sukgyu Hahm , Jong G. Ok , Ilsun Yoon
IPC: G02B5/30 , G03F7/00 , B29D11/00 , B29K101/10
CPC classification number: G02B5/3058 , B29D11/00644 , B29K2101/10 , G03F7/0002
Abstract: A pattern structure includes a plurality of pattern structure units arranged substantially on a same plane, where each of the pattern structure units has a first surface and a second surface, which are opposite to each other, and a microstructure is defined on the first surface of each of the pattern structure units, and a flattening layer disposed on the second surface of each of the plurality of pattern structure units, where the flattening layer connects the pattern structure units with each other, and a vertical step difference exists between second surfaces of the pattern structure units.
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