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公开(公告)号：US11543740B2
公开(公告)日：2023-01-03
申请号：US16296483
申请日：2019-03-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seunghoon Han , Byunghoon Na , Jangwoo You
Abstract: A structured light projector includes a light source configured to emit light, a structured light pattern mask configured to receive the light emitted by the light source and including a first region configured to generate a first structured light having a first polarization and a second region configured to generate a second structured light having a second polarization that is different from the first polarization, and a polarization multiplexing deflector configured to deflect the first structured light and the second structured light generated by the structured light pattern mask, to different directions, respectively.
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公开(公告)号：US11469265B2
公开(公告)日：2022-10-11
申请号：US17335705
申请日：2021-06-01
Inventor： Amir Arbabi , Seunghoon Han , Andrei Faraon
IPC: H01L27/146 , H04N5/225 , G03B35/10
Abstract: An image sensor includes a substrate, thin lenses disposed on a first surface of the substrate and configured to concentrate lights incident on the first surface, and light-sensing cells disposed on a second surface of the substrate, the second surface facing the first surface, and the light-sensing cells being configured to sense lights passing through the thin lenses, and generate electrical signals based on the sensed lights. A first thin lens and second thin lens of the thin lenses are configured to concentrate a first light and a second light, respectively, of the incident lights onto the light-sensing cells, the first light having a different wavelength than the second light.
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公开(公告)号：US11373321B2
公开(公告)日：2022-06-28
申请号：US16192995
申请日：2018-11-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jangwoo You , Byunghoon Na , Seunghoon Han
IPC: G06T7/521 , H04N13/254 , H04N13/239 , G06T7/593 , G02B3/00 , G02B5/20 , H04N5/232 , H04N13/25 , G02B1/118 , G01B11/25 , H04N13/122 , H04N13/00 , H04N13/128
Abstract: Provided are projectors, each including a light source configured to emit laser light, a substrate spaced apart from the light source, a pattern mask including a pattern disposed on a first surface of the substrate, the first surface facing the light source, and a meta-lens including a plurality of first nanostructures formed on a second surface of the substrate, the second surface opposite the first surface, the nanostructures having a dimension of a sub-wavelength that is less than a wavelength of light emitted from the light source.
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公开(公告)号：US20220011161A1
公开(公告)日：2022-01-13
申请号：US17486326
申请日：2021-09-27
Inventor： Seunghoon Han , Amir Arbabi , Andrei Faraon , Ehsan Arbabi
Abstract: A spectrometer includes a transparent substrate including a first surface and a second surface that face each other and are substantially parallel to each other; a slit provided on the first surface and through which light is incident onto the transparent substrate; a spectrum optical system including metasurface including a plurality of nanostructures that are two-dimensionally arranged and satisfy a sub-wavelength scattering condition, wherein the metasurface includes a focusing metasurface which includes first nanostructures of the plurality of nanostructures, and is configured to reflect, disperse, and focus the light incident thereon through the slit, at different angles based on respective wavelengths; and a sensor configured to receive the light from the focusing metasurface. When L is a total length of an optical path from the slit to the sensor and D is a thickness of the transparent substrate, L and D satisfy the following inequality: L/D>3.
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公开(公告)号：US11211418B2
公开(公告)日：2021-12-28
申请号：US16999627
申请日：2020-08-21
Inventor： Amir Arbabi , Seunghoon Han , Andrei Faraon , Hyeonsoo Park
IPC: H01L27/146 , G03B35/10 , H04N5/225
Abstract: An image sensor includes a substrate, thin lenses disposed on a first surface of the substrate and configured to concentrate lights incident on the first surface, and light-sensing cells disposed on a second surface of the substrate, the second surface facing the first surface, and the light-sensing cells being configured to sense lights passing through the thin lenses, and generate electrical signals based on the sensed lights. A first thin lens and second thin lens of the thin lenses are configured to concentrate a first light and a second light, respectively, of the incident lights onto the light-sensing cells, the first light having a different wavelength than the second light.
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Patent Agency Ranking
公开(公告)号：US20210384708A1
公开(公告)日：2021-12-09
申请号：US17411867
申请日：2021-08-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seunghoon Han , Byunghoon Na
IPC: H01S5/183 , H01S5/40 , H01S5/343 , H01S5/024 , H01S5/02345
Abstract: Provided is a back side emitting light source array device and an electronic apparatus, the back side emitting light source array device includes a substrate, a distributed Bragg reflector (DBR) provided on a first surface of the substrate, a plurality of gain layers which are provided on the DBR, the plurality of gain layers being spaced apart from one another, and each of the plurality of gain layers being configured to individually generate light, and a nanostructure reflector provided on the plurality of gain layers opposite to the DBR, and including a plurality of nanostructures having a sub-wavelength shape dimension, wherein a reflectivity of the DBR is less than a reflectivity of the nanostructure reflector such that the light generated is emitted through the substrate.
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公开(公告)号：US11184546B2
公开(公告)日：2021-11-23
申请号：US16775965
申请日：2020-01-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yang Ho Cho , Kyuhwan Choi , Seunghoon Han
Abstract: An image sensor includes a plurality of lens elements, each lens element of the plurality of lens elements including a plurality of scatterers arranged to concentrate light incident on the image sensor; and a sensing element configured to sense light passing through the plurality of lens elements, wherein one lens element of the plurality of lens elements has a first focal length that is different from a second focal length of another lens element of the plurality of lens elements and is separated from the sensing element by the first focal length.
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公开(公告)号：US11181775B2
公开(公告)日：2021-11-23
申请号：US16460434
申请日：2019-07-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jangwoo You , Seunghoon Han , Namseop Kwon , Byunghoon Na , Minkyung Lee , Suyeon Lee
IPC: G02F1/13357
Abstract: Provided in an illumination device including a display panel including a first surface configured to display an image, a second surface opposite to the first surface, a plurality of display pixels disposed between the first surface and the second surface, and a transmission window configured to transmit light incident on the second surface through the first surface, a light source disposed at the second surface of the display panel and configured to emit light to an object toward the display panel, and a light deliverer disposed between the light source and the display panel, the light deliverer configured to deliver the light emitted from the light source to the object as flood illumination through the transmission window.
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公开(公告)号：US20210318516A1
公开(公告)日：2021-10-14
申请号：US17167849
申请日：2021-02-04
Inventor： Seunghoon Han , Amir Arbabi , Andrei Faraon , Sungwoo Hwang , Jangwoo You , Byounglyong Choi
IPC: G02B9/14 , G02B1/00 , G02B3/08 , G02B13/18 , G02B13/00 , G02B9/12 , G02B5/18 , G02B27/00 , G02B9/10
Abstract: An optical system and an image sensor including the same are provided. The optical system includes first, second, and third optical devices. At least one of the first, second, and third optical devices is a thin-lens including nanostructures.
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公开(公告)号：US20210247549A1
公开(公告)日：2021-08-12
申请号：US17117364
申请日：2020-12-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyeonsoo Park , Hyunsung Park , Seunghoon Han
Abstract: A meta-lens includes a first region including a plurality of first nanostructures two-dimensionally arranged in a circumferential direction and a radial direction based on a center point and distributed according to a first rule; and a plurality of second regions surrounding the first region and including a plurality of second nanostructures two-dimensionally arranged in the circumferential direction and the radial direction based on the center point and distributed according to a second rule, wherein a section satisfying Δw×Δp>0 and a section satisfying ΔW×Δp
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