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.

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

IPC: H01S5/00 ,  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.

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.

公开(公告)号：US11022855B2

公开(公告)日：2021-06-01

申请号：US16023641

申请日：2018-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun Park ,  Changgyun Shin ,  Byounglyong Choi ,  Seunghoon Han

IPC: G02F1/00 ,  G01S7/48 ,  G02F1/29 ,  G01S7/481 ,  G01S17/931

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.

公开(公告)号：US20210112201A1

公开(公告)日：2021-04-15

申请号：US16775965

申请日：2020-01-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yang Ho CHO ,  Kyuhwan Choi ,  Seunghoon Han

IPC: H04N5/232 ,  H04N5/225

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.

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

IPC: H01S5/42 ,  H01S5/183

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.

公开(公告)号：US10712554B2

公开(公告)日：2020-07-14

申请号：US15987090

申请日：2018-05-23

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  CALIFORNIA INSTITUTE OF TECHNOLOGY

Inventor： Amir Arbabi ,  Seunghoon Han ,  Andrei Faraon

IPC: G02B5/30 ,  G02B27/00 ,  G02B5/02 ,  G02B23/00 ,  G02B27/09 ,  G02B5/18 ,  G02B27/42 ,  G02B3/00

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.

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.

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

IPC: H01S5/183 ,  H01S5/187 ,  H01S5/024 ,  G01D5/30 ,  G01B11/02

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.

公开(公告)号：US20190355772A1

公开(公告)日：2019-11-21

申请号：US16527341

申请日：2019-07-31

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  CALIFORNIA INSTITUTE OF TECHNOLOGY

Inventor： Amir ARBABI ,  Seunghoon Han ,  Andrei Faraon

IPC: H01L27/146

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.