公开(公告)号：US11815795B2

公开(公告)日：2023-11-14

申请号：US17980376

申请日：2022-11-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seunghoon Han ,  Byunghoon Na ,  Jangwoo You

IPC: G03B21/20 ,  G03B21/14 ,  G02B27/09 ,  G02F1/01 ,  G02B6/27

CPC classification number: G03B21/2033 ,  G02B6/27 ,  G02B27/0972 ,  G02F1/0136 ,  G03B21/142

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.

公开(公告)号：US11664642B2

公开(公告)日：2023-05-30

申请号：US17141792

申请日：2021-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byunghoon Na ,  Seunghoon Han

IPC: H01S5/183 ,  H01S5/187 ,  G02B27/28 ,  G01B11/24 ,  G01D5/30 ,  H01S5/024 ,  G01B11/25 ,  H01S5/343 ,  H01S5/042

CPC classification number: H01S5/18361 ,  G01B11/24 ,  G01B11/25 ,  G01D5/30 ,  G02B27/283 ,  H01S5/02469 ,  H01S5/187 ,  H01S5/18386 ,  H01S5/04257 ,  H01S5/18355 ,  H01S5/343

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：US11635654B2

公开(公告)日：2023-04-25

申请号：US17509530

申请日：2021-10-25

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.

公开(公告)号：US11624832B2

公开(公告)日：2023-04-11

申请号：US16434614

申请日：2019-06-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seunghoon Han ,  Jangwoo You ,  Byunghoon Na

IPC: G01S17/894 ,  G02B5/02 ,  G01S7/481 ,  G02B3/00

Abstract: An illumination device includes a display panel including a first surface on which an image is displayed, a second surface opposite to the first surface, display pixels interposed between the first surface and the second surface, and a transmitting window interposed between the first surface and the second surface. The illumination device further includes a light source disposed on a side of the second surface of the display panel, and emitting light toward the second surface, and a light transmitter interposed between the light source and the display panel, and transmitting the emitted light to the transmitting window, the transmitted light being incident on the second surface of the display panel and being transmitted through the transmitting window toward the first surface of the display panel. The illumination device further includes a diffuser diffusing the light transmitted through the transmitting window.

公开(公告)号：US11474208B2

公开(公告)日：2022-10-18

申请号：US16557393

申请日：2019-08-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo You ,  Namseop Kwon ,  Byunghoon Na ,  Minkyung Lee ,  Suyeon Lee ,  Seunghoon Han

IPC: G01S7/481 ,  G01S17/08 ,  G02B1/00 ,  G02F1/13 ,  G02B5/18

Abstract: Provided is an illumination device including a display panel including a first surface and a second surface that is opposite to the first surface, the display panel being configured to output light including image information through the first surface, a light source configured to emit light, the light source being spaced apart from the display panel in a direction away from and normal to the second surface of the display panel, a window panel including a first area configured to transmit the light output from the display panel and a second area configured to transmit the light emitted from the light source, and a light transmitting unit provided between the window panel and the light source, the light transmitting unit configured to transmit the light emitted from the light source to an object through the second area, the light transmitting unit including at least one meta-surface.

公开(公告)号：US10938179B2

公开(公告)日：2021-03-02

申请号：US16360649

申请日：2019-03-21

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  UNIVERSITY OF MASSACHUSETTS

Inventor： Byunghoon Na ,  Mahdad Mansouree ,  Seunghoon Han ,  Amir Arbabi

IPC: H01S5/183 ,  H01S5/343 ,  H01S5/347 ,  H01S5/42 ,  G01P13/00 ,  H01S5/042 ,  G01B11/24 ,  G01B11/14

Abstract: Provided are an addressable laser array device and an electronic apparatus including the addressable laser array device. The addressable laser array device includes a plurality of VCSELs, each including a distributed Bragg reflector (DBR), a nanostructure reflector including a plurality of nanostructures having a sub-wavelength dimension, and a gain layer disposed between the DBR and the nanostructure reflector; a plurality of first wiring patterns extending in a first direction and being electrically connected to the plurality of VCSELs, respectively; and a plurality of second wiring patterns extending in a second direction intersecting the first direction and being electrically connected to the plurality of VCSELs, respectively, wherein the plurality of VCSELs are disposed at intersections of the plurality of first wiring patterns and the plurality of second wiring patterns, and the addressable VCSEL array device is configured to selectively drive at least some of the plurality of VCSELs.

公开(公告)号：US10922828B2

公开(公告)日：2021-02-16

申请号：US16166334

申请日：2018-10-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seunghoon Han ,  Byunghoon Na ,  Jangwoo You

IPC: G06T7/521 ,  G06T7/73 ,  G06T7/55 ,  G06T7/514 ,  H04N5/247 ,  H01S5/022 ,  G06F1/16 ,  H04N13/239 ,  H04N13/254 ,  H04N13/128 ,  H04N13/122 ,  G02B1/118 ,  G01B11/25 ,  G02B5/18 ,  H01S5/00 ,  H01S5/02216 ,  H04N13/00

Abstract: A meta projector is provided, including 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 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.

公开(公告)号：US20200050094A1

公开(公告)日：2020-02-13

申请号：US16296483

申请日：2019-03-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Han ,  Byunghoon Na ,  Jangwoo You

IPC: G03B21/20 ,  G03B21/14 ,  G02B6/27 ,  G02F1/01 ,  G02B27/09

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.

公开(公告)号：US09769456B2

公开(公告)日：2017-09-19

申请号：US14699068

申请日：2015-04-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jangwoo You ,  Byunghoon Na ,  Yonghwa Park ,  Changyoung Park ,  Heesun Yoon ,  Sanghun Lee ,  Myungjae Jeon

IPC: H04N13/02 ,  G01S17/06 ,  G01S17/02 ,  G01S17/89 ,  G01S7/481

CPC classification number: H04N13/204 ,  G01S7/4816 ,  G01S17/023 ,  G01S17/06 ,  G01S17/89 ,  H04N13/254 ,  H04N13/286 ,  H04N13/289

Abstract: A depth image measuring camera includes an illumination device configured to irradiate an object with light, and a light-modulating optical system configured to receive the light reflected from the object. The depth image measuring camera includes an image sensor configured to generate an image of the object by receiving light incident on the image sensor that passes through the light-modulating optical system. The light-modulating optical system includes a plurality of lenses having a same optical axis, and an optical modulator configured to operate in two modes for measuring a depth of the object.

公开(公告)号：US11695252B2

公开(公告)日：2023-07-04

申请号：US17185582

申请日：2021-02-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byunghoon Na ,  Jangwoo You ,  Namseop Kwon ,  Minkyung Lee ,  Seunghoon Han

IPC: H01S5/00 ,  H01S5/183 ,  H01S5/42

CPC classification number: H01S5/18388 ,  H01S5/005 ,  H01S5/18394 ,  H01S5/423

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.