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

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

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：US20220350050A1

公开(公告)日：2022-11-03

申请号：US17751259

申请日：2022-05-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G02B1/00 ,  G02B27/42

Abstract: Provided are meta illuminators. The meta illuminators according to embodiments include a first light emitter configured to emit pattern light, and a second light emitter configured to emit non-patterned light, wherein the first and second light emitters forms a single body. The first and second light emitters respectively include meta-surfaces that are different from each other, and the different meta-surfaces may be formed on a single material layer. The first light emitter includes a pattern region that transmits a portion of incident light, and the second light emitter does not include the pattern region. A mask may be arranged between the light source and the transparent substrate.

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.

公开(公告)号：US11204587B2

公开(公告)日：2021-12-21

申请号：US16385471

申请日：2019-04-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Wontaek Seo ,  Hongseok Lee ,  Byunghoon Na

IPC: G03H1/22 ,  G03H1/02 ,  H01S5/183

Abstract: Provided is a holographic display apparatus. A holographic image display apparatus includes: a light source configured to emit light, the light source including a plurality of vertical-cavity surface-emitting lasers (VCSELs) that are spaced apart from one another; a spatial light modulator configured to, based on a hologram data signal, modulate the light emitted by the light source; and a focusing optical system configured to focus an image formed by the spatial light modulator using a Maxwellian view method.

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.

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.

公开(公告)号：US11019328B2

公开(公告)日：2021-05-25

申请号：US16166580

申请日：2018-10-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seunghoon Han ,  Byunghoon Na ,  Jangwoo You

IPC: H04N13/271 ,  G01B11/25 ,  B82Y20/00

Abstract: Provided are a nanostructured optical element, a depth sensor, and an electronic device. The nanostructured optical element includes: an array of a plurality of laser sources; a meta-pattern layer including a two-dimensional array of plurality of first nano-posts; and a deflecting layer between the light source and the meta-pattern layer. Each of the first nano-posts has a dimension smaller than a wavelength of light output from the plurality of laser sources. The deflecting layer is configured to direct light from the light source onto the meta-pattern layer.

公开(公告)号：US10777970B2

公开(公告)日：2020-09-15

申请号：US16441661

申请日：2019-06-14

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

Inventor： Seunghoon Han ,  Byunghoon Na ,  Babak Mirzapourbeinekalaye ,  Amir Arbabi

IPC: H01S5/00 ,  H01S5/183

Abstract: Provided is a metamaterial-based reflector including a first metamaterial layer including an array of first nanostructures, and a second metamaterial layer provided on the first metamaterial layer, the second metamaterial layer including an array of second nanostructures, wherein an arrangement of the second nanostructures is different from an arrangement the first nanostructures.

公开(公告)号：US20190034035A1

公开(公告)日：2019-01-31

申请号：US15991005

申请日：2018-05-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seunghoon Han ,  Byunghoon Na ,  Jangwoo You

IPC: G06F3/042 ,  H01S5/026 ,  G01B9/08 ,  G01B11/22

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：US12298406B2

公开(公告)日：2025-05-13

申请号：US17970258

申请日：2022-10-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seunghoon Han ,  Jangwoo You ,  Byunghoon Na

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

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.