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公开(公告)号：US11808918B2
公开(公告)日：2023-11-07
申请号：US17499170
申请日：2021-10-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaekwan Kim , Jeongyub Lee , Seunghoon Han , Yongsung Kim , Byunghoon Na , Jangwoo You , Changseung Lee
CPC classification number: G02B1/002 , G02B5/005 , G02B5/1814 , G02B27/4211 , B82Y20/00
Abstract: Provided are meta-surface optical device and methods of manufacturing the same. The meta-surface optical device may include a meta-surface arranged on a region of a substrate and a light control member arranged around the meta-surface. The light control member may be arranged on or below the substrate. A material layer formed of the same material used to form the meta-surface may be disposed between the light control member and the substrate. Also, the meta-surface may be a first meta-surface arranged on an upper surface of the substrate, and a second meta-surface may be arranged on a bottom surface of the substrate. Also, the meta-surface may include a first meta-surface and at least one second meta-surface may formed on the first meta-surface, and the light control member may be arranged around the at least one second meta-surface.
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公开(公告)号：US11652334B2
公开(公告)日：2023-05-16
申请号：US17411867
申请日：2021-08-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seunghoon Han , Byunghoon Na
CPC classification number: H01S5/18377 , H01S5/02345 , H01S5/02415 , H01S5/02469 , H01S5/18305 , H01S5/18311 , H01S5/18386 , H01S5/343 , H01S5/4025
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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23.发明授权公开(公告)号：US11476385B2
公开(公告)日：2022-10-18
申请号：US16884674
申请日：2020-05-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Byunghoon Na , Changyoung Park , Yonghwa Park
Abstract: Provided is an optical device including an active layer, which includes two outer barriers and a coupled quantum well between the two outer barriers. The coupled quantum well includes a first quantum well layer, a second quantum well layer, a third quantum well layer, a first coupling barrier between the first quantum well layer and the second quantum well layer, and a second coupling barrier between the second quantum well layer and the third quantum well layer. The second quantum well layer is between the first quantum well layer and the third quantum well layer. An energy band gap of the second quantum well layer is less than an energy band gap of the first quantum well layer, and an energy band gap of the third quantum well layer is equal to or less than the energy band gap of the second quantum well layer.
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公开(公告)号：US11449178B2
公开(公告)日：2022-09-20
申请号：US17241867
申请日：2021-04-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seunghoon Han , Byunghoon Na , Jangwoo You
IPC: G06F3/042 , H01S5/026 , G01B9/08 , G01B11/22 , G03B21/00 , G03B21/20 , G02B1/00 , G02B1/118 , G02B27/20 , G01B11/25 , H01S5/12 , H01S5/343 , H01S5/30 , G02B5/18 , G02B27/09
Abstract: A meta projector includes an edge emitting device configured to emit light through a side surface thereof, a meta-structure layer spaced apart from the upper surface of the edge emitting device that includes a plurality of nanostructures having a sub-wavelength shape dimension smaller than a wavelength of the light emitted from the edge emitting device, and a path changing member configured to change a path of the light emitted from the edge emitting device so as to direct the path toward the meta-structure layer. The meta projector may thus be configured to emit a light pattern of structured light, based on directing the light emitted from the edge emitting device through the meta-structure layer, while having a relatively compact device size.
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公开(公告)号：US20210311588A1
公开(公告)日：2021-10-07
申请号：US17241867
申请日：2021-04-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seunghoon Han , Byunghoon Na , Jangwoo You
IPC: G06F3/042 , H01S5/026 , G01B9/08 , G01B11/22 , G03B21/00 , G03B21/20 , G02B1/00 , G02B1/118 , G02B27/20 , G01B11/25
Abstract: A meta projector includes an edge emitting device configured to emit light through a side surface thereof, a meta-structure layer spaced apart from the upper surface of the edge emitting device that includes a plurality of nanostructures having a sub-wavelength shape dimension smaller than a wavelength of the light emitted from the edge emitting device, and a path changing member configured to change a path of the light emitted from the edge emitting device so as to direct the path toward the meta-structure layer. The meta projector may thus be configured to emit a light pattern of structured light, based on directing the light emitted from the edge emitting device through the meta-structure layer, while having a relatively compact device size.
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Patent Agency Ranking
公开(公告)号：US11133650B2
公开(公告)日：2021-09-28
申请号：US16544390
申请日：2019-08-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seunghoon Han , Byunghoon Na
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：US11041713B2
公开(公告)日：2021-06-22
申请号：US15984831
申请日：2018-05-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seunghoon Han , Byunghoon Na , Jangwoo You
IPC: G01B11/22 , G02B1/00 , H01S5/183 , H01S5/12 , G02B3/08 , H01S5/40 , G02B3/00 , H01S5/42 , G02B5/18 , G02B27/42 , B82Y20/00 , H01S5/00 , H01S5/042
Abstract: Provided are a nanostructured optical element, a depth sensor, and an electronic device. The nanostructured optical element includes: a light source in which a plurality of laser sources irradiating light are configured as an array; a meta-pattern layer including a plurality of first nano-posts that are two-dimensionally configured while satisfying a sub-wavelength condition, wherein the plurality of first nano-posts are configured to change the light from the light source into structured light; and a deflecting layer between the light source and the meta-pattern layer, and configured to change a proceeding direction of the light to make the light from the light source be incident to the meta-pattern layer.
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公开(公告)号：US10965102B2
公开(公告)日：2021-03-30
申请号：US16242427
申请日：2019-01-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Byunghoon Na , Jangwoo You , Namseop Kwon , Minkyung Lee , Seunghoon Han
Abstract: Provided are a structured light projector that generates and projects structured light, and an electronic apparatus including the structured light projector. The structured light projector includes an illuminator configured to emit light, a pattern mask configured to form structured light by partially transmitting and partially blocking incident light from the illuminator based on a pattern of the pattern mask, and a lens configured to project the structured light. The illuminator includes a plurality of illumination areas respectively facing a plurality of areas of the pattern mask, wherein intensities of lights respectively emitted by the plurality of illumination areas are different from one other.
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公开(公告)号：US20200081294A1
公开(公告)日：2020-03-12
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: G02F1/1335
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：US10587095B2
公开(公告)日：2020-03-10
申请号：US15804537
申请日：2017-11-06
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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