公开(公告)号：US11621309B2

公开(公告)日：2023-04-04

申请号：US17135546

申请日：2020-12-28

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY

Inventor： Sunghoon Lee ,  Seokho Song ,  Wonjae Joo

IPC: H01L33/00 ,  H01L21/00 ,  H01L27/32 ,  G02B27/01 ,  H01L51/52

Abstract: A light emitting device includes a metal reflective layer including a phase modulation surface on which oblong phase modulation elements are formed; a first electrode provided on the metal reflective layer; an organic emission layer that is provided on the first electrode and that emits light; and a second electrode provided on the organic emission layer, wherein the oblong phase modulation elements are arranged to form a geometric phase lens.

公开(公告)号：US11561399B2

公开(公告)日：2023-01-24

申请号：US16919987

申请日：2020-07-02

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Young Kim ,  Hongseok Lee ,  Seokho Song ,  Jungkwuen An ,  Kanghee Won ,  Changkun Lee

IPC: G02B27/01 ,  G02B27/09 ,  G02B27/00 ,  G02B5/18

Abstract: Provided are a Fourier-beam shaper and a display apparatus including the Fourier-beam shaper. The Fourier-beam shaper includes: a waveguide; an input coupler configured to direct a plurality of light beams toward the waveguide in a time-sequential manner; and a spatial converter configured to output the plurality of light beams traveling in the waveguide through spatially different regions of the spatial converter.

公开(公告)号：US11237452B2

公开(公告)日：2022-02-01

申请号：US15683879

申请日：2017-08-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jisoo Kyoung ,  Seokho Song ,  Changgyun Shin ,  Duhyun Lee

IPC: G02F1/29

Abstract: An optical modulating device, a beam steering device, and a system employing the same are provided. The optical modulating device includes an active layer, a driver configured to electrically control a refraction index of the active layer, and a nano-antenna disposed on the active layer, and having a dual nano-antenna structure including a first nano-antenna and a second nano-antenna, the first nano-antenna having a length different from a length of the second nano-antenna, and the first nano-antenna being spaced apart from the second nano-antenna. The driver includes a first driver electrically connected to the first nano-antenna, and a second driver electrically connected to the second nano-antenna.

公开(公告)号：US20210003852A1

公开(公告)日：2021-01-07

申请号：US16919987

申请日：2020-07-02

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Young Kim ,  Hongseok Lee ,  Seokho Song ,  Jungkwuen An ,  Kanghee Won ,  Changkun Lee

IPC: G02B27/09 ,  G02B27/01

Abstract: Provided are a Fourier-beam shaper and a display apparatus including the Fourier-beam shaper. The Fourier-beam shaper includes: a waveguide; an input coupler configured to direct a plurality of light beams toward the waveguide in a time-sequential manner; and a spatial converter configured to output the plurality of light beams traveling in the waveguide through spatially different regions of the spatial converter.

公开(公告)号：US11943952B2

公开(公告)日：2024-03-26

申请号：US17165522

申请日：2021-02-02

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Sunjin Song ,  Seokho Song ,  Wonjae Joo

IPC: H10K50/818 ,  H10K50/852 ,  H10K59/121

CPC classification number: H10K50/818 ,  H10K50/852 ,  H10K59/121

Abstract: Provided is a light-emitting device including a reflective layer including a plurality of nano-structures two-dimensionally disposed regularly and a low-refractive-index layer disposed adjacent to the plurality of nano-structures, a first electrode disposed on the reflective layer, an organic emission layer disposed on the first electrode, and a second electrode disposed on the organic emission layer, wherein each of the plurality of nano-structures includes a non-metallic material, and the low-refractive-index layer includes a dielectric material having a second refractive index lower than a first refractive index of the non-metallic material.

公开(公告)号：US11940637B2

公开(公告)日：2024-03-26

申请号：US17666084

申请日：2022-02-07

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Sunjin Song ,  Seokho Song ,  Wonjae Joo ,  Myongjong Kwon

IPC: H10K59/35 ,  G02B5/22 ,  H10K59/121 ,  H10K59/123

CPC classification number: G02B5/223 ,  H10K59/1213 ,  H10K59/123 ,  H10K59/35

Abstract: Provided is a color transformation filter including a plurality of nanostructures included in a subpixel and spaced apart from each other, the plurality of nanostructures having a first refractive index, a low refractive index layer provided adjacent to the plurality of nanostructures, the low refractive index layer having a second refractive index less than the first refractive index, and a color transformation element included in the low refractive index layer.

公开(公告)号：US10670891B2

公开(公告)日：2020-06-02

申请号：US15632640

申请日：2017-06-26

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Kiyeon Yang ,  Youngsun Choi ,  Seokho Song ,  Jaewoong Yoon ,  Choloong Han ,  Yongsung Kim ,  Jeongyub Lee ,  Changseung Lee

IPC: G02F1/31 ,  G02B6/12 ,  G02B6/27 ,  G02B6/42 ,  G02F1/09 ,  G02B6/293 ,  G02F1/095

Abstract: Nonreciprocal optical transmission devices and optical apparatuses including the nonreciprocal optical transmission devices are provided. A nonreciprocal optical transmission device includes an optical input portion, an optical output portion, and an intermediate connecting portion interposed between the optical input portion and the optical output portion, and comprising optical waveguides. A complex refractive index of any one or any combination of the optical waveguides changes between the optical input portion and the optical output portion, and a transmission direction of light through the nonreciprocal optical transmission device is controlled by a change in the complex refractive index.

公开(公告)号：US10198649B2

公开(公告)日：2019-02-05

申请号：US15444959

申请日：2017-02-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sanghun Lee ,  Seokho Song ,  Dongkyun Kim ,  Sunghyun Nam ,  Younghun Sung ,  Seokyoon Jung ,  Yangho Cho ,  Byounglyong Choi

IPC: G06F3/038 ,  G06K9/22 ,  G06F3/0354 ,  H04N5/225 ,  H04N5/232

Abstract: The electric pen device includes an optical system including a lens and an image sensor configured to convert an image signal of light that has passed through the optical system to an electrical signal. The electric pen device includes a control board configured to interact with an electronic device and a communication module configured to communicate by wire or wirelessly with the electronic device, so that an image or a picture taken by a camera is confirmed and an optical zoom is controlled from the external electronic device.

公开(公告)号：US11262606B2

公开(公告)日：2022-03-01

申请号：US16857756

申请日：2020-04-24

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Kiyeon Yang ,  Youngsun Choi ,  Seokho Song ,  Jaewoong Yoon ,  Choloong Han ,  Yongsung Kim ,  Jeongyub Lee ,  Changseung Lee

IPC: G02B6/26 ,  G02B6/12 ,  G02B1/04 ,  G02B6/27 ,  G02F1/09 ,  G02B6/293 ,  G02B6/42 ,  G02F1/095 ,  G02F1/31

Abstract: Nonreciprocal optical transmission devices and optical apparatuses including the nonreciprocal optical transmission devices are provided. A nonreciprocal optical transmission device includes an optical input portion, an optical output portion, and an intermediate connecting portion interposed between the optical input portion and the optical output portion, and comprising optical waveguides. A complex refractive index of any one or any combination of the optical waveguides changes between the optical input portion and the optical output portion, and a transmission direction of light through the nonreciprocal optical transmission device is controlled by a change in the complex refractive index.

公开(公告)号：US10656322B2

公开(公告)日：2020-05-19

申请号：US15413526

申请日：2017-01-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yunhee Kim ,  Hoon Song ,  Sunil Kim ,  Seokho Song

IPC: F21V8/00 ,  G03H1/22 ,  G02B6/34 ,  G02B30/27

Abstract: A coherent backlight unit and a 3D image display device including the coherent backlight unit are provided. The coherent backlight unit includes a light source, a light guide plate, a first diffraction grating, a second diffraction grating, and a reflective optical element. The light source irradiates a coherent light and the reflective optical element reflects the coherent light that is propagating toward one of the side surfaces from the inner side of the light guide plate toward the inner side of the light guide plate.