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.

公开(公告)号：US12196915B2

公开(公告)日：2025-01-14

申请号：US18184382

申请日：2023-03-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sangeun Mun ,  Seunghoon Han ,  Seaum Kim ,  Hyunsung Park

IPC: G02B1/00 ,  G02B13/00 ,  G02B13/02 ,  H04N23/55 ,  H04N23/698 ,  H04N23/80

Abstract: A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.

公开(公告)号：US11885943B2

公开(公告)日：2024-01-30

申请号：US17039238

申请日：2020-09-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunsung Park ,  Hyeonsoo Park ,  Seunghoon Han

IPC: G02B13/00 ,  G02B9/62 ,  G02B27/00 ,  G02B5/18

CPC classification number: G02B13/0055 ,  G02B5/1871 ,  G02B9/62 ,  G02B13/0045 ,  G02B27/0025 ,  G02B2207/101

Abstract: Provided is a lens assembly including a first lens having positive optical power with respect to incident light incident from an object side and having a convex surface facing the object side, and a second lens including a meta-lens having negative chromatic aberration with respect to the incident light passing through the first lens.

公开(公告)号：US11822106B2

公开(公告)日：2023-11-21

申请号：US17229425

申请日：2021-04-13

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

Inventor： Seunghoon Han ,  Mahdad Mansouree ,  Amir Arbabi ,  Sangeun Mun

IPC: G02B5/18 ,  G02B5/30 ,  G02B1/00

CPC classification number: G02B5/1871 ,  G02B1/002 ,  G02B5/3083 ,  G02B2207/101

Abstract: Provided is a meta optical device including a plurality of phase modulation regions respectively including a plurality of nanostructures that have shapes and arrangement based on a preset rule, the plurality of phase modulation regions being configured to modulate a phase of incident light of a preset wavelength band, wherein at least two phase modulation regions of the plurality of phase modulation regions have phase modulation ranges in a first direction that are same, and wherein the plurality of nanostructures included in the at least two phase modulation regions have width ranges in the first direction that are different from each other.

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

IPC: G02B6/32 ,  G02B1/00 ,  G02B27/42 ,  G02B5/00 ,  G02B5/18 ,  B82Y20/00

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.

公开(公告)号：US11747524B2

公开(公告)日：2023-09-05

申请号：US17039068

申请日：2020-09-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunsung Park ,  Hyeonsoo Park ,  Seunghoon Han

IPC: G02B1/00 ,  G02B3/04 ,  G02B5/126 ,  G02B1/14

CPC classification number: G02B3/04 ,  G02B1/002 ,  G02B5/126 ,  G02B1/14

Abstract: A meta lens includes a first lens surface, and a second lens surface provided opposite to the first lens surface, wherein at least one of the first lens surface and the second lens surface is a metasurface including a plurality of nanostructures having a sub-wavelength dimension that is less than a central wavelength λ0 in an operation wavelength band of the meta lens, and wherein a deflection property of the first lens surface and a deflection property of the second lens surface based on positions of incident light are opposite to each other in at least some regions of each of the first lens surface and the second lens surface.

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

IPC: H01S5/00 ,  H01S5/183 ,  H01S5/40 ,  H01S5/343 ,  H01S5/024 ,  H01S5/02345

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.

公开(公告)号：US11630238B2

公开(公告)日：2023-04-18

申请号：US17404168

申请日：2021-08-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sangeun Mun ,  Seunghoon Han ,  Seaum Kim ,  Hyunsung Park

IPC: G02B1/00 ,  H04N5/225 ,  G02B13/00 ,  G02B13/02 ,  H04N5/232

Abstract: A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.

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.

公开(公告)号：US11268854B2

公开(公告)日：2022-03-08

申请号：US16677792

申请日：2019-11-08

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

Inventor： Seunghoon Han ,  Amir Arbabi ,  Andrei Faraon ,  Ehsan Arbabi ,  Hyeonsoo Park

IPC: G01J3/04 ,  G01J3/02 ,  G02B5/18

Abstract: A spectrometer includes a substrate; a slit which is provided on the substrate and through which light is incident onto the substrate; a metasurface including nanostructures that is configured to reflect and focus the light incident thereon through the slit, at different angles based on respective wavelengths; and a sensor which is provided on one side of the substrate that is opposite to another side of the substrate at which the metasurface is disposed, and configured to receive the light from the metasurface.