公开(公告)号：US20210311379A1

公开(公告)日：2021-10-07

申请号：US17352998

申请日：2021-06-21

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：US20210271000A1

公开(公告)日：2021-09-02

申请号：US17152927

申请日：2021-01-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunsung PARK ,  Hyeonsoo PARK ,  Seunghoon HAN

IPC: G02B1/00 ,  G01B11/24 ,  H04N5/225

Abstract: Provided is a meta-optical device including a first layer including a plurality of first nanostructures and a first material disposed adjacent to the plurality of first nanostructures, a second layer disposed on the first layer, the second layer including a plurality of second nanostructures and a second material disposed adjacent to the plurality of second nanostructures, wherein the first layer and the second layer include regions in which signs of an effective refractive index change rate in a first direction are opposite to each other, and wherein the meta-optical device is configured to obtain a target phase delay profile with respect to incident light of a predetermined wavelength band.

公开(公告)号：US20240153883A1

公开(公告)日：2024-05-09

申请号：US18387729

申请日：2023-11-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seunghoon HAN ,  Doowon KWON ,  Taeyeong KIM ,  Minho JANG ,  Sohye CHO ,  Haesung KIM ,  Hyeonsoo PARK

IPC: H01L23/544 ,  H01L21/66

CPC classification number: H01L23/544 ,  H01L22/12 ,  H01L2223/54426

Abstract: Provided is a device including a substrate and an overlay target structure provided on the substrate, the overlay target structure includes a first alignment key having a plurality of line masks having a first width and arranged at a first pitch, a second alignment key having a plurality of line masks having a second width and arranged at a second pitch, and a nanostructure layer arranged between the first alignment key and the second alignment key, and including a plurality of nanostructures having widths less than or equal to the first width and the second width, and arranged at a pitch less than the first pitch and the second pitch.

公开(公告)号：US20220321849A1

公开(公告)日：2022-10-06

申请号：US17592145

申请日：2022-02-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seunghoon HAN ,  Hyunsung PARK ,  Hyeonsoo PARK ,  Changgyun SHIN

IPC: H04N9/31 ,  G02B27/01 ,  G02B27/09

Abstract: A display device includes: an image projector including an image forming device and a meta-lens module and configured to output image light formed by the image forming device; and a meta-waveguide configured to transfer the image light output from the image projector, to an observer's field of view, the meta-waveguide including waveguide element configured to totally reflect light inside, an input coupler including a plurality of first nanostructures forming a first phase gradient in a first direction and configured to couple the image light from the image projector to an inside of the waveguide element, and an output coupler including a plurality of second nanostructures forming a second phase gradient in a second direction different from the first direction and configured to output the light coupled to the inside of the waveguide element by the input coupler, to an outside of the waveguide element.

公开(公告)号：US20220082794A1

公开(公告)日：2022-03-17

申请号：US17371387

申请日：2021-07-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seaum KIM ,  Hyunsung PARK ,  Seunghoon HAN ,  Hyeonsoo PARK

IPC: G02B13/00 ,  G02B1/00 ,  G02B27/00

Abstract: An optical hybrid lens includes a refractive lens having a curved lens surface, a metalens including at least one metasurface formed on the curved lens surface to follow the curved lens surface of the refractive lens and including a plurality of nanostructures having a shape dimension of a sub-wavelength of incident light, and an adhesive layer between the curved lens surface of the refractive lens and the metalens. The metalens includes at least one metasurface including a plurality of nanostructures having a shape dimension of a sub-wavelength of incident light.

公开(公告)号：US20230319384A1

公开(公告)日：2023-10-05

申请号：US18207543

申请日：2023-06-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seunghoon HAN ,  Hyunsung PARK ,  Hyeonsoo PARK ,  Bongyong JANG

IPC: H04N23/55 ,  G02B5/28 ,  G02B1/00 ,  H01L27/146

CPC classification number: H04N23/55 ,  G02B5/286 ,  G02B1/002 ,  H01L27/14627 ,  G02B2207/101

Abstract: Provided is a meta-optical device including a meta-lens including a plurality of nano-structures, a band pass filter configured to transmit light of predetermined wavelengths within an operation wavelength band of the meta-lens, and a spacer layer provided between the meta-lens and the band pass filter to support the plurality of nano-structures and to form a separation distance between the meta-lens and the band pass filter.

公开(公告)号：US20220221741A1

公开(公告)日：2022-07-14

申请号：US17400840

申请日：2021-08-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyeonsoo PARK ,  Hyunsung PARK ,  Seunghoon HAN

IPC: G02F1/01 ,  G02B1/00 ,  G02F1/00

Abstract: Provided is a meta-optical device exhibiting a target phase delay profile with respect to incident light of a predetermined wavelength band, the meta-optical device including: a first layer including a plurality of first nanostructures and a first surrounding material surrounding the plurality of first nanostructures, and having a first phase delay profile of a first tendency that is substantially equal to a tendency of the target phase delay profile; a second layer including a plurality of second nanostructures and a second surrounding material surrounding the plurality of second nanostructures, and having a second phase delay profile of a second tendency that is substantially opposite to the tendency of the target phase delay profile; and a third layer including a plurality of third nanostructures and a third surrounding material surrounding the plurality of third nanostructures, wherein the third layer is different from the second layer in terms of at least one of a material and an arrangement rule. The meta-optical device is capable of minimizing a primary dispersion and higher-order dispersions and thus may exhibit constant diffraction efficiency with respect to light of a wide wavelength band.

公开(公告)号：US20210132256A1

公开(公告)日：2021-05-06

申请号：US17039238

申请日：2020-09-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunsung PARK ,  Hyeonsoo PARK ,  Seunghoon HAN

IPC: G02B1/00 ,  G02B27/00 ,  G02B5/30 ,  G02B9/62 ,  G02B5/20 ,  H04N5/232 ,  H04N5/225

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：US20230044716A1

公开(公告)日：2023-02-09

申请号：US17879546

申请日：2022-08-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seunghoon HAN ,  Hyunsung PARK ,  Hyeonsoo PARK ,  Kideok BAE

IPC: G02B1/00

Abstract: A meta-lens, an imaging optics, and an electronic device including the imaging optics are provided. The meta-lens includes at least one meta-layer having a plurality of nanostructures with a less shape dimension than an operating wavelength, modulates a phase and intensity of incident light, and forms a plurality of spots of different brightness on an imaging plane in an asymmetric distribution. The plurality of spots formed on the imaging plane include a main spot and at least one sub-spot that is separated from a center of the main spot and has lower illuminance than the main spot.

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.