公开(公告)号：US20230117216A1

公开(公告)日：2023-04-20

申请号：US17987282

申请日：2022-11-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minkyung LEE ,  Sunil KIM ,  Junghyun PARK ,  Byunggil JEONG

IPC: G02B26/10 ,  G02B26/08

Abstract: Provided are spatial light modulators, methods of driving and manufacturing the same, and apparatuses including the spatial light modulators. The spatial light modulator according to an example embodiment includes a substrate, a distributed Bragg reflector (DBR) layer stacked on one surface of the substrate, a cavity layer on the DBR layer, a pixel layer on the cavity layer and including a plurality of pixels, and a heat blocking member between the plurality of pixels to block heat transfer between the plurality of pixels, wherein a material layer having a lower thermal conductivity than the lowermost layer of the DBR layer is provided between the substrate and the DBR layer, and each of the plurality of pixels includes a plurality of active meta-patterns. In one example, the material layer, the DBR layer, and the cavity layer are each divided corresponding to the plurality of pixels, and the heat blocking member is provided between the divided material layers, between the divided DBR layers, and between the divided cavity layers.

公开(公告)号：US20220179210A1

公开(公告)日：2022-06-09

申请号：US17338954

申请日：2021-06-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Wontaek Seo ,  Geeyoung Sung ,  Hoon Song ,  Hongseok Lee

IPC: G02B27/01

Abstract: A light combiner combines first light provided by a light source with second light containing an image of an exterior environment and provides the combined light to a user. The light combiner includes a transmissive optical device comprising a first surface on which the first light is incident and a second surface facing the first surface, and branching the first light in a plurality of directions to pass through the second surface, and a holographic optical device on a side of the transmissive optical device facing the second surface and spaced apart from the transmissive optical device. The holographic optical device diffracts light rays branched and transmitted by the transmissive optical device in the plurality of directions, to be respectively focused at a plurality of focal points different from each other and corresponding to the directions, and transmits the second light therethrough to travel toward the plurality of focal points.

公开(公告)号：US20220171209A1

公开(公告)日：2022-06-02

申请号：US17241774

申请日：2021-04-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seokil MOON ,  Sangeun MUN ,  Sunil KIM ,  Wontaek SEO ,  Geeyoung SUNG ,  Bongsu SHIN ,  Daeho YANG ,  Hongseok LEE ,  Seunghoon HAN

IPC: G02B27/28 ,  G02B27/01 ,  G02B27/00

Abstract: A display device including a meta surface is provided. The display device includes an image provider comprising a spatial light modulator configured to modulate light according to image information, wherein the image provider is configured to provide the light comprising the image information; an optical element configured to focus the light from the image provider; and a meta surface deflector positioned between the image provider and the optical element to deflect the light, and change a deflection direction of the light according to a polarization of the light so that a first position of the light of a first polarization focused by the optical element is different than a second position of the light of a second polarization orthogonal to the first polarization focused by the optical element.

公开(公告)号：US20220057750A1

公开(公告)日：2022-02-24

申请号：US17331198

申请日：2021-05-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Daeho YANG ,  Sunil KIM ,  Wontaek SEO ,  Geeyoung SUNG ,  Bongsu SHIN ,  Jungkwuen AN ,  Jangwoo YOU ,  Changkun LEE ,  Jong-Young HONG

IPC: G03H1/22 ,  G06T7/55

Abstract: Disclosed are a method and a system for processing a computer-generated hologram (CGH). The system for processing a CGH includes a CGH generation apparatus and a display apparatus. The CGH generation apparatus repeatedly performs a process of propagating object data from a first depth layer to a second depth layer, changing amplitude data of the object data to second predefined amplitude data, back-propagating the object data from the second depth layer to the first depth layer, and changing the amplitude data of the object data to first predefined amplitude data, and generates a CGH by using the object data.

公开(公告)号：US20210208256A1

公开(公告)日：2021-07-08

申请号：US16927476

申请日：2020-07-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Junghyun PARK ,  Duhyun LEE ,  Byunggil JEONG

IPC: G01S7/481 ,  G01S17/931 ,  G02F1/29

Abstract: A spatial light modulator and a beam steering apparatus including the same are provided. The spatial light modulator may include a distributed Bragg reflector provided on a substrate, a cavity provided on the distributed Bragg reflector, a grating reflector provided on the cavity, and a heater provided on the grating reflector.

公开(公告)号：US20210124171A1

公开(公告)日：2021-04-29

申请号：US16833831

申请日：2020-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Druzhin VLADISLAV ,  Malinina POLINA ,  Bongsu SHIN ,  Dubynin SERGEY

IPC: G02B27/01 ,  G02B5/32

Abstract: Provided a display apparatus including an image forming apparatus configured to form an image, a projection optical system configured to project the image formed by the image forming apparatus, and a combining optical system configured to provide the image projected from the projection optical system combined with light emitted from an external landscape, wherein the combining optical system is configured to divide the image projected from the projection optical system into same images and focus the same images on different positions.

公开(公告)号：US20210103095A1

公开(公告)日：2021-04-08

申请号：US17123772

申请日：2020-12-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Junghyun PARK ,  Byounglyong CHOI

IPC: G02B6/12 ,  G01S17/36 ,  G02F1/29 ,  G01S7/481

Abstract: A beam steering device and a system using the same are provided. The beam steering device includes a plurality of transmission type optical modulation devices provided to steer an incident beam in different directions, wherein each of the plurality of transmission type optical modulation devices includes: a phase modulator including a nanoantenna in which a plurality of nanostructure rows are arranged. Each of the nanostructure rows includes a plurality of nanostructures connected to each other. A meta surface includes the plurality of nanostructure rows. Each of the transmission type optical modulation devices also includes a plurality of drivers provided which independently apply an electric signal to each of the nanostructure rows to control a phase change thereof.

公开(公告)号：US20200264441A1

公开(公告)日：2020-08-20

申请号：US16683643

申请日：2019-11-14

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Changkun LEE ,  Seokil MOON ,  Byoungho LEE ,  Sunil KIM ,  Bongsu SHIN ,  Hongseok LEE

IPC: G02B27/01 ,  G02B5/30 ,  G02B27/28 ,  G09G3/02 ,  G09G5/02

Abstract: Provided is a multi-image display apparatus including a light source configured to emit a first wavelength light, a second wavelength light, and a third wavelength light, a spatial light modulator configured to modulate the first wavelength light, the second wavelength light, and the third wavelength light to form a first image including a first color holographic image, a second color holographic image, and a third color holographic image, a polarization selective lens configured to focus the first image having only a first polarization component and transmit a second image having only a second polarization component without refraction, the second image being provided to the polarization selective lens along a different path from the first image, wherein chromatic aberration of the polarization selective lens is offset by adjusting a depth of the first color holographic image, the second color holographic image, and the third color holographic image.

公开(公告)号：US20200088998A1

公开(公告)日：2020-03-19

申请号：US16275424

申请日：2019-02-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bongsu SHIN ,  Sunil KIM ,  Wontaek SEO ,  Geeyoung SUNG ,  Changkun LEE

IPC: G02B27/01

Abstract: A see-through type display device includes an image generation unit configured to emit image light, a light coupling unit configured to generate off-axis aberration in the image light, and a correction aberration generation unit configured to generate correction aberration, opposite to the off-axis aberration, in the image light emitted from the image generation unit, wherein the correction aberration generation unit is disposed on an optical path of the image light between the image generation unit and the light coupling unit, and wherein the light coupling unit is disposed off-axis relative to the image light.

公开(公告)号：US20200081275A1

公开(公告)日：2020-03-12

申请号：US16263081

申请日：2019-01-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Junghyun PARK

IPC: G02F1/01 ,  G02F1/00 ,  G02F1/19 ,  G02B26/02 ,  G02B5/00 ,  G01S7/481 ,  G01S17/02

Abstract: Provided are an optical modulation device, a method of operating the optical modulation device, and an apparatus including the optical modulation device. The optical modulation device may include a mirror array including a plurality of mirror elements, a nano-antenna array including a plurality of nano-antennas, and an active layer disposed between the mirror array and the nano-antenna array. At least some of the plurality of mirror elements may have different refractive indices. The at least some of the plurality of mirror elements may include different materials, include different dopants, or have different doping concentrations.