公开(公告)号：US20220026605A1

公开(公告)日：2022-01-27

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: G02B3/08 ,  G02B1/00

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：US20210396914A1

公开(公告)日：2021-12-23

申请号：US17462899

申请日：2021-08-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo YOU ,  Byunghoon NA ,  Seunghoon HAN

IPC: G02B3/08 ,  G02B1/00 ,  G01S17/48 ,  G01S7/481 ,  G02B5/08 ,  G02B27/42 ,  G01B11/25 ,  G03B21/14 ,  G02B5/18 ,  G02B5/00 ,  G03B21/20

Abstract: Provided are projectors, each including a light source configured to emit laser light, a substrate spaced apart from the light source by a distance, a pattern mask including a pattern on a first surface of the substrate, the first surface facing the light source, and a meta-lens including a plurality of first nanostructures on a second surface of the substrate, the second surface facing the first surface, the nanostructures having a shape dimension of a sub-wavelength that is less than a wavelength of light emitted from the light source.

公开(公告)号：US20200166744A1

公开(公告)日：2020-05-28

申请号：US16582049

申请日：2019-09-25

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

Inventor： Amir ARBABI ,  Seunghoon HAN ,  Andrei FARAON ,  Hyeonsoo PARK

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

Abstract: Provided is a focusing device that 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：US20200150518A1

公开(公告)日：2020-05-14

申请号：US16441559

申请日：2019-06-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyeonsoo PARK ,  Seunghoon HAN ,  Minkyung LEE

IPC: G03B21/20 ,  H04N9/31

Abstract: Provided is a structured light projector including a light source configured to emit light, and a nanostructure array configured to form a dot pattern based on the light emitted by the light source, the nanostructure array including a plurality of super cells each respectively including a plurality of nanostructures, wherein each of the plurality of super cells includes a first sub cell that includes a plurality of first nanostructures having a first shape distribution and a second sub cell that includes a plurality of second nanostructures having a second shape distribution.

公开(公告)号：US20200081100A1

公开(公告)日：2020-03-12

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

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：US20200051263A1

公开(公告)日：2020-02-13

申请号：US16656040

申请日：2019-10-17

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

Inventor： Seunghoon HAN ,  Ali Naqavi ,  Harry Atwater

IPC: G06T7/521 ,  G01B11/25 ,  G02B1/00 ,  G02B5/18 ,  G02B27/10 ,  G06T7/246 ,  F21V5/00 ,  G06K9/00 ,  G06K9/62

Abstract: A structured light generator includes a light source configured to emit light, and a first meta optical device including a first metasurface including nanostructures having sub-wavelength dimensions that are less than a wavelength of the light emitted from the light source, the first metasurface being configured to form a distribution of light rays from the light emitted from the light source to thereby radiate structured light.

公开(公告)号：US20200041886A1

公开(公告)日：2020-02-06

申请号：US16248917

申请日：2019-01-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo YOU ,  Seunghoon HAN ,  Namseop KWON ,  Byunghoon NA ,  Minkyung LEE

IPC: G03B21/20 ,  G03B21/14

Abstract: A structured-light projector includes an illuminating device configured to emit illumination light, a pattern mask configured to partially transmit the illumination light to generate structured light, and a lens configured to transmit the structured light, wherein the pattern mask includes a light-transmitting slit configured to transmit the illumination light, and a plurality of reflection patterns configured to obliquely reflect the illumination light toward the light-transmitting slit.

公开(公告)号：US20190243155A1

公开(公告)日：2019-08-08

申请号：US16199759

申请日：2018-11-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jangwoo YOU ,  Namseop KWON ,  Byunghoon NA ,  Minkyung LEE ,  Seunghoon HAN

IPC: G02B27/42

CPC classification number: G02B27/4272 ,  G02B27/4233 ,  G02B2207/101

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：US20180278023A1

公开(公告)日：2018-09-27

申请号：US15804537

申请日：2017-11-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byunghoon NA ,  Seunghoon HAN

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

CPC classification number: H01S5/18361 ,  G01B11/02 ,  G01D5/30 ,  H01S5/02469 ,  H01S5/18308 ,  H01S5/18341 ,  H01S5/18386 ,  H01S5/187 ,  H01S2301/176

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：US20180224587A1

公开(公告)日：2018-08-09

申请号：US15941799

申请日：2018-03-30

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

Inventor： Seunghoon HAN ,  Yu HORIE ,  Andrei FARAON ,  Sungwoo HWANG

IPC: G02B5/20 ,  H01L27/146 ,  G03B33/16

CPC classification number: G02B5/201 ,  G03B33/16 ,  H01L27/14621 ,  H01L27/14625 ,  H01L27/14685

Abstract: An image sensor includes an optical sensor layer including a plurality of light-sensitive cells configured to sense light to generate electrical signals, and a color filter array layer disposed on the optical sensor layer and including a plurality of color filters respectively facing the plurality of light-sensitive cells. Each of the plurality of color filters includes a nanostructure in which a first material having a first refractive index and a second material having a second refractive index higher than the first refractive index are arranged. The first material and the second material are alternatively positioned at an interval less than a central wavelength of a color of the color filter. Thus, a thin image sensor having good wavelength selectivity and suitable for obtaining high resolution images is provided.