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公开(公告)号:US20220221741A1
公开(公告)日:2022-07-14
申请号:US17400840
申请日:2021-08-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyeonsoo PARK , Hyunsung PARK , Seunghoon HAN
Abstract: Provided is a meta-optical device exhibiting a target phase delay profile with respect to incident light of a predetermined wavelength band, the meta-optical device including: a first layer including a plurality of first nanostructures and a first surrounding material surrounding the plurality of first nanostructures, and having a first phase delay profile of a first tendency that is substantially equal to a tendency of the target phase delay profile; a second layer including a plurality of second nanostructures and a second surrounding material surrounding the plurality of second nanostructures, and having a second phase delay profile of a second tendency that is substantially opposite to the tendency of the target phase delay profile; and a third layer including a plurality of third nanostructures and a third surrounding material surrounding the plurality of third nanostructures, wherein the third layer is different from the second layer in terms of at least one of a material and an arrangement rule. The meta-optical device is capable of minimizing a primary dispersion and higher-order dispersions and thus may exhibit constant diffraction efficiency with respect to light of a wide wavelength band.
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公开(公告)号:US20210199426A1
公开(公告)日:2021-07-01
申请号:US17200073
申请日:2021-03-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Namseop KWON , Jangwoo YOU , Minkyung LEE , Byunghoon NA , Seunghoon HAN
Abstract: A structured light projectors includes an illuminator configured to emit illumination light, a pattern mask configured to project structured light by partially transmitting the illumination light, and a lens configured to project the structured light, wherein the pattern mask includes a first lens distortion compensation region including a plurality of opaque first light shielding patterns having a first pattern width, respectively, and a second lens distortion compensation region surrounding the first lens distortion compensation region, the second lens distortion compensation region including a plurality of opaque second light shielding patterns having a second pattern width, respectively, wherein the second pattern width is less than the first pattern width.
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公开(公告)号:US20210132256A1
公开(公告)日:2021-05-06
申请号:US17039238
申请日:2020-09-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyunsung PARK , Hyeonsoo PARK , Seunghoon HAN
Abstract: Provided is a lens assembly including a first lens having positive optical power with respect to incident light incident from an object side and having a convex surface facing the object side, and a second lens including a meta-lens having negative chromatic aberration with respect to the incident light passing through the first lens.
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公开(公告)号:US20210028235A1
公开(公告)日:2021-01-28
申请号:US17071364
申请日:2020-10-15
Inventor: Seunghoon HAN , Kwanghee LEE , Yongwan JIN , Yongsung KIM , Changgyun SHIN , Jeongyub LEE , Amir ARBABI , Andrei FARAON , Yu HORIE
IPC: H01L27/30 , H01L27/146
Abstract: An image sensor includes a first light sensor layer including light sensing cells configured to sense first light of an incident light and generate electrical signals based on the sensed first light, and a color filter array layer disposed on the first light sensor layer, and including color filters respectively facing the light sensing cells. The image sensor further includes a second light sensor layer disposed on the color filter array layer, and configured to sense second light of the incident light and generate an electrical signal based on the sensed second light. Each of the color filters includes a nanostructure including a first material having a first refractive index, and a second material having a second refractive index greater than the first refractive index, the first material and the second material being alternately disposed with a period.
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公开(公告)号:US20200292809A1
公开(公告)日:2020-09-17
申请号:US16885729
申请日:2020-05-28
Inventor: Amir ARBABI , Seunghoon HAN , Andrei FARAON
Abstract: A focusing device includes a substrate and a plurality of scatterers provided at both sides of the substrate. The scatterers on the both sides of the focusing device may correct geometric aberration, and thus, a field of view (FOV) of the focusing device may be widened.
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公开(公告)号:US20200284904A1
公开(公告)日:2020-09-10
申请号:US16884850
申请日:2020-05-27
Inventor: Duhyun LEE , Muhammad ALAM , Harry ATWATER , Ragip PALA , Byunghoon NA , Seunghoon HAN
Abstract: Provided are an optical modulating device and a system including the optical modulating device. The optical modulating device includes a substrate, and a phase modulator formed on the substrate and including a Fabry-Perot cavity. The Fabry-Perot cavity of the phase modulator includes a first reflective layer, a second reflective layer, and a tunable core formed between the first reflective layer and the second reflective layer, wherein the tunable core is formed of a semiconductor material and is configured to modulate a phase of light corresponding to modulation of a refractive index of the tunable core according to electrical control.
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公开(公告)号:US20190310400A1
公开(公告)日:2019-10-10
申请号:US16439010
申请日:2019-06-12
Inventor: Seunghoon HAN , Yu HORIE , Andrei FARAON , Sungwoo HWANG
IPC: G02B5/20 , H01L27/146
Abstract: An image sensor includes an optical sensor layer including a plurality of light-sensitive cells configured to sense light to generate electrical signals, and a color filter array layer disposed on the optical sensor layer and including a plurality of color filters respectively facing the plurality of light-sensitive cells. Each of the plurality of color filters includes a nanostructure in which a first material having a first refractive index and a second material having a second refractive index higher than the first refractive index are arranged. The first material and the second material are alternatively positioned at an interval less than a central wavelength of a color of the color filter. Thus, a thin image sensor having good wavelength selectivity and suitable for obtaining high resolution images is provided.
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公开(公告)号:US20190103727A1
公开(公告)日:2019-04-04
申请号:US16192158
申请日:2018-11-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Byunghoon NA , Seunghoon HAN
Abstract: A vertical cavity surface emitting laser includes a gain layer configured to generate light; a distributed Bragg reflector below the gains layer; and a meta structure reflector above the gain layer and comprising a plurality of nano structures having a sub wavelength dimension.
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公开(公告)号:US20190079367A1
公开(公告)日:2019-03-14
申请号:US16023641
申请日:2018-06-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Junghyun PARK , Changgyun SHIN , Byounglyong CHOI , Seunghoon HAN
Abstract: A beam scanning apparatus and an optical apparatus including the same are provided. The beam scanning apparatus includes a first antenna group including a plurality of first nano antennas disposed apart from each other, a first driving voltage line and a second driving voltage line connected to a first nano antenna and a second nano antenna, respectively, among the plurality of first nano antennas, the first nano antenna and the second nano antenna being respectively disposed at first ends within the first antenna group, and a first voltage divider configured to distribute a plurality of first voltages to one or more first middle nano antennas disposed between the first nano antenna and the second nano antenna, among the plurality of first nano antennas, at regular voltage intervals.
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公开(公告)号:US20180322645A1
公开(公告)日:2018-11-08
申请号:US16040155
申请日:2018-07-19
Inventor: Seunghoon HAN , Ali NAQAVI , Harry ATWATER
IPC: G06T7/521 , G02B27/10 , G02B5/18 , G02B1/00 , G06K9/62 , G06K9/00 , F21V5/00 , G06T7/246 , G01B11/25
CPC classification number: G06T7/521 , F21V5/002 , G01B11/2513 , G02B1/002 , G02B5/1809 , G02B27/106 , G02B27/1093 , G02B2207/00 , G06K9/00201 , G06K9/6202 , G06T7/248 , G06T2207/10028
Abstract: A structured light generator includes a light source configured to emit light, and a first meta optical device including a first metasurface including nanostructures having sub-wavelength dimensions that are less than a wavelength of the light emitted from the light source, the first metasurface being configured to form a distribution of light rays from the light emitted from the light source to thereby radiate structured light.
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