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公开(公告)号：US20210364695A1
公开(公告)日：2021-11-25
申请号：US17023631
申请日：2020-09-17
发明人： Dongjae SHIN , Dongsik SHIM , Eunkyung LEE , Changbum LEE , Bongyong JANG
摘要： A photonic integrated circuit platform includes a substrate, a first oxide layer disposed on the substrate and including an insulating transparent oxide, and a first optical element layer disposed on the first oxide layer and including a semiconductor material. The photonic integrated circuit platform further includes a second optical element layer disposed on the first optical element layer and including an insulating material different from the insulating transparent oxide of the first oxide layer, the second optical element layer further including a compound semiconductor material different from the semiconductor material of the first optical element layer, a second oxide layer disposed on the second optical element layer and including an insulating transparent oxide, and a plurality of optical elements formed by patterning the first optical element layer or the second optical element layer.
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公开(公告)号：US20190243000A1
公开(公告)日：2019-08-08
申请号：US16041155
申请日：2018-07-20
发明人： Dongsik SHIM
CPC分类号： G01S17/936 , B60Q9/008 , G01S7/4817 , G01S17/325 , G01S17/42 , G02B26/10
摘要： A system including a beam steering device, includes a substrate, at least one light source disposed on the substrate and configured to irradiate at least one light beam, and optical phased arrays disposed on a same plane of the substrate and configured to adjust a direction of the at least one light beam that is irradiated, to output a first plurality of light beams to an object. Each of the optical phased arrays has a different view angle range. The system further includes light detecting elements configured to detect a second plurality of light beams that are reflected by the object to which the first plurality of light beams is output. The light detecting elements respectively correspond to the optical phased arrays.
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公开(公告)号：US20180059303A1
公开(公告)日：2018-03-01
申请号：US15414015
申请日：2017-01-24
发明人： Jaeseung CHUNG , Bongsu SHIN , Joonyong PARK , Sunghoon LEE , Dongouk KIM , Hyunjoon KIM , Jihyun BAE , Dongsik SHIM
IPC分类号： F21V8/00
CPC分类号： G02B6/005 , G02B5/1819 , G02B5/201 , G02B6/0061 , G02B6/0068 , G02B27/1006
摘要： 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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4.发明申请公开(公告)号：US20180024287A1
公开(公告)日：2018-01-25
申请号：US15418119
申请日：2017-01-27
发明人： Dongsik SHIM , Dongouk KIM , Hyunjoon KIM , Joonyong PARK , Jihyun BAE , Bongsu SHIN , Sunghoon LEE , Jaeseung CHUNG
IPC分类号： F21V8/00
CPC分类号： G02B6/0038 , G02B5/1852 , G02B5/1857 , G02B6/0065
摘要： A directional backlight unit is provided, including a light guide plate, a light source, and a grating that is formed on a light-emitting surface of the light guide plate. The grating is configured such that an intensity of one ray of light, of the light irradiated by the light source and diffracted and emitted by the grating, is greater than a sum of intensities of all other rays of light, of the light irradiated by the light source and diffracted and emitted by the grating.
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公开(公告)号：US20190391459A1
公开(公告)日：2019-12-26
申请号：US16190912
申请日：2018-11-14
发明人： Changgyun SHIN , Dongjae SHIN , Dongsik SHIM , Changbum LEE
摘要： A light steering apparatus is provided including a tunable laser source and a system including the light steering apparatus. The light steering apparatus includes the tunable laser source and a steering device. A plurality of laser beams having optical coherence with each other and output from the tunable laser source are incident onto the steering device, and the steering device includes a plurality of modulation units for beam steering.
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公开(公告)号：US20180366901A1
公开(公告)日：2018-12-20
申请号：US15805717
申请日：2017-11-07
发明人： Dongsik SHIM , Byunggil JEONG , Byounglyong CHOI
CPC分类号： H01S5/026 , G02B6/42 , H01S5/021 , H01S5/0218 , H01S5/02256 , H01S5/02453 , H01S5/1032 , H01S5/141 , H01S5/142 , H01S5/22 , H01S5/343 , H01S5/34326 , H01S5/34333 , H01S5/4062 , H01S5/4068
摘要： Provided are a hybrid photon device including an etch stop layer and a method of manufacturing the hybrid photon device. The hybrid photon device includes: a silicon substrate including a waveguide on a surface thereof; a front etch stop layer and a rear etch stop layer disposed on a surface of the waveguide, the front and rear etch stop layers formed respectively to either side of the first region in a length direction of the waveguide; and a group III/V light-emitting unit generating light on a region of the silicon substrate between the front and rear etch stop layers.
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公开(公告)号：US20180188439A1
公开(公告)日：2018-07-05
申请号：US15860202
申请日：2018-01-02
发明人： Dongouk KIM , Joonyong PARK , Jaeseung CHUNG , Alexander V. MOROZOV , Bongsu SHIN , Jihyun BAE , Seokho SONG , Dongsik SHIM , Sunghoon LEE
IPC分类号： F21V8/00
CPC分类号： G02B6/0038 , G02B6/0055 , G02B6/0061 , G02B6/0068
摘要： 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：US20180113242A1
公开(公告)日：2018-04-26
申请号：US15646836
申请日：2017-07-11
发明人： Sunghoon LEE , Joonyong PARK , Dongouk KIM , Jihyun BAE , Bongsu SHIN , Dongsik SHIM , Jaeseung CHUNG
IPC分类号： G02B5/30
摘要： A method for manufacturing a pattern structure includes preparing a wafer that has a plurality of fine patterns, generating a first trench by processing the wafer from a first surface to a first depth, and generating a second trench connected to the first trench by processing the wafer from a second surface which is opposite to the first surface to a second depth, thereby cutting the wafer.
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9.发明申请公开(公告)号：US20170205554A1
公开(公告)日：2017-07-20
申请号：US15351950
申请日：2016-11-15
发明人： Seogwoo HONG , Dongsik SHIM , Dongouk KIM , Hyunjoon KIM , Joonyong PARK , Jihyun BAE , Bongsu SHIN , Sunghoon LEE , Jaeseung CHUNG
CPC分类号： G02B6/0031 , B29C65/48 , B29L2031/3475 , G02B6/0038 , G02B6/0065 , G02B6/0068 , G02B6/0088 , G02B27/22 , H04N13/32 , H04N13/39 , H04N2213/001
摘要： A display apparatus including a directional backlight unit and a method of assembling the display apparatus are disclosed. The display apparatus includes an auxiliary structure coupled to an input coupler and a switch panel module.
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公开(公告)号：US20180129060A1
公开(公告)日：2018-05-10
申请号：US15654097
申请日：2017-07-19
发明人： Sunghoon LEE , Dongouk KIM , Joonyong PARK , Jihyun BAE , Hoon SONG , Bongsu SHIN , Dongsik SHIM , Jaeseung CHUNG
IPC分类号： G02B27/22 , F21V8/00 , G02F1/1335 , G02B5/18
摘要： 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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