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公开(公告)号：US10355167B2
公开(公告)日：2019-07-16
申请号：US15086862
申请日：2016-03-31
发明人： Jaesoong Lee , Youngho Song
摘要： Provided are a light emitting device having a nitride quantum dot and a method of manufacturing the same. The light emitting device may include: a substrate; a nitride-based buffer layer arranged on the substrate; a plurality of nanorod layers arranged on the nitride-based buffer layer in a vertical direction and spaced apart from each other; a nitride quantum dot arranged on each of the plurality of nanorod layers; and a top contact layer covering the plurality of nanorod layers and the nitride quantum dots. A pyramid-shaped material layer may be further included between each of the plurality of nanorod layers and each of the nitride quantum dots. One or the plurality of nitride quantum dots may be arranged on each of the nanorod layers.
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公开(公告)号：US09997893B2
公开(公告)日：2018-06-12
申请号：US14994283
申请日：2016-01-13
发明人： Jaesoong Lee , Jinwoo Ju , Youngho Song
CPC分类号： H01S5/34333 , H01S5/0425 , H01S5/2081 , H01S5/2272 , H01S5/3202 , H01S5/3428 , H01S2304/12
摘要： Provided are a semiconductor laser diode and a method for fabricating the same. The semiconductor laser diode includes a c-plane substrate, a group III nitride layer disposed on the c-plane substrate, and a first semiconductor layer, an active layer, and a second semiconductor layer disposed on the group III nitride layer in the stated order, wherein each of the first semiconductor layer and the second semiconductor layer is exposed to the outside of the semiconductor laser diode.
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公开(公告)号：US09601340B2
公开(公告)日：2017-03-21
申请号：US14474995
申请日：2014-09-02
发明人： Jaesoong Lee , Hyoin Kim
IPC分类号： H01L29/16 , H01L27/15 , H01L31/12 , H01L33/06 , H01L21/285 , H01L29/12 , H01L21/02 , B82Y10/00 , B82Y40/00 , H01L29/06 , H01L29/205 , H01L33/18
CPC分类号： H01L21/28575 , B82Y10/00 , B82Y40/00 , H01L21/02381 , H01L21/02433 , H01L21/0254 , H01L21/02603 , H01L21/02653 , H01L29/0676 , H01L29/068 , H01L29/122 , H01L29/205 , H01L33/18
摘要： Provided are electronic devices having quantum dots and methods of manufacturing the same. An electronic device includes a first nanorod, a quantum dot disposed on an upper surface of the first nanorod, and a second nanorod that covers a lateral surface of the first nanorod and the quantum dot. The first nanorod and the second nanorod are of opposite types.
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公开(公告)号：US20200210147A1
公开(公告)日：2020-07-02
申请号：US16460596
申请日：2019-07-02
发明人： Jaesoong Lee
摘要： Provided is a random number generator including a single-photon emitter configured to emit single photons by pumping, a waveguide configured to guide the single photons emitted from the single-photon emitter to the inside of the waveguide, the waveguide including a first output terminal and a second output terminal that are respectively provided at both end portions of the waveguide, the single photons being output from the first output terminal and the second output terminal, and a first single-photon detector and a second single-photon detector respectively provided at the first output terminal and the second output terminal and configured to detect the single photons output from the first output terminal and the second output terminal, respectively.
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公开(公告)号：US09904077B2
公开(公告)日：2018-02-27
申请号：US14916052
申请日：2014-08-29
发明人： Yeonsang Park , Jineun Kim , Younggeun Roh , Changwon Lee , Sangmo Cheon , Unjeong Kim , Chanwook Baik , Youngzoon Yoon , Jaesoong Lee
IPC分类号： B82Y20/00 , G02F1/01 , H01Q13/18 , B82Y40/00 , H01Q13/10 , H01Q13/28 , G02B6/12 , H01Q5/22 , G02F1/00
CPC分类号： G02F1/0102 , B82Y20/00 , B82Y40/00 , G02B6/12007 , G02B2006/12142 , G02F1/0018 , G02F1/0045 , G02F1/011 , H01Q5/22 , H01Q13/103 , H01Q13/18 , H01Q13/28
摘要： Provided are an optical nano-antenna including a tunable material layer and methods of manufacturing and operating the optical nano-antenna. The optical nano-antenna includes a substrate; and a plurality of material layers sequentially laminated on the substrate. The plurality of material layers include at least one tunable material layer and at least one slot. A first tunable material layer and a metal layer are sequentially laminated on the substrate, and a first slot is formed in the metal layer. A metal layer and a first tunable material layer are sequentially laminated on the substrate, and a first slot is formed in the metal layer. A first tunable material layer, a metal layer, and a second tunable material layer are sequentially laminated on the substrate, and a first slot is formed in the metal layer. A second slot tilted with respect to the first slot is formed in the metal layer.
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公开(公告)号：US12032186B2
公开(公告)日：2024-07-09
申请号：US17727329
申请日：2022-04-22
发明人： Jaesoong Lee , Hyochul Kim
摘要： Provided is a spectral filter, and an image sensor and an electronic device each including the spectral filter. The spectral filter includes a first metal reflection layer and a second metal reflection layer spaced apart from each other, a plurality of cavities disposed between the first metal reflection layer and the second metal reflection layer, and a bandpass filter disposed between the plurality of cavities and selectively transmitting light of a certain wavelength region. Each of the plurality of cavities may have a multi-mode structure having a plurality of central wavelengths.
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公开(公告)号：US10405806B2
公开(公告)日：2019-09-10
申请号：US14961145
申请日：2015-12-07
发明人： Chanwook Baik , Jisoo Kyoung , Maxim Vladimirovich Riabko , Youngzoon Yoon , Alexey Dmitrievich Lantsov , Younggeun Roh , Jaesoong Lee
IPC分类号： A61B5/00 , A61B5/021 , A61B5/024 , A61B5/1455
摘要： An apparatus for and a method of measuring blood pressure are provided. The apparatus includes a sensor configured to radiate light to a body part, and detect a light signal that is changed due to the body part. The apparatus further includes a signal processor configured to determine a bio signal based on the light signal; and a central processing unit configured to determine a blood pressure based on the bio signal and a blood pressure estimation algorithm.
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公开(公告)号：US10168280B2
公开(公告)日：2019-01-01
申请号：US15458187
申请日：2017-03-14
发明人： Jaesoong Lee
摘要： An authentication structure and an authenticating method using the same are provided. The authentication structure includes a plurality of input couplers that generate surface plasmons by being selectively coupled to lights because the plurality of input couplers are different in terms of at least one of a geometric structure and an arrangement, and an output coupler that outputs a speckle pattern based on the surface plasmons.
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公开(公告)号：US12108169B2
公开(公告)日：2024-10-01
申请号：US18094044
申请日：2023-01-06
发明人： Hyochul Kim , Jaesoong Lee , Younggeun Roh
摘要： A spectral filter may include a plurality of filter arrays each including a plurality of unit filters having different center wavelengths from each other. Each of the plurality of unit filters may include a first metal reflection layer and a second metal reflection layer which are disposed to be apart from each other; a cavity including a first pattern and being arranged between the first metal reflection layer and the second metal reflection layer; and a lower pattern film being disposed under the first metal reflection layer and including a second pattern. In unit filters having a same center wavelength in each of the plurality of unit filters corresponding to the plurality of filter arrays, the first pattern of the cavity and the second pattern of the lower pattern film may vary according to a position of the unit filters.
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10.发明公开公开(公告)号：US20230333397A1
公开(公告)日：2023-10-19
申请号：US18336502
申请日：2023-06-16
发明人： Yeonsang PARK , Hyochul Kim , Jaesoong Lee , Younggeun Roh
CPC分类号： G02B27/288 , G01J4/04 , G02B5/203 , G02B5/286 , G02B5/288
摘要： Provided is a polarization spectral filter, including: a first reflector and a second reflector disposed to face each other in a first direction; and a grating layer disposed between the first reflector and the second reflector. The grating layer includes a plurality of first grating elements and a plurality of second grating elements, the plurality of first grating elements and the plurality of second grating elements being alternately arranged in a second direction perpendicular to the first direction. The plurality of first grating elements include a first dielectric material having a first refractive index. The plurality of second grating elements include a second dielectric material having a second refractive index different from the first refractive index.
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