公开(公告)号：US10707639B2

公开(公告)日：2020-07-07

申请号：US15681724

申请日：2017-08-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil Kim ,  Duhyun Lee ,  Changbum Lee ,  Byounglyong Choi

IPC: H01S3/00 ,  G02F1/29 ,  H01S5/00

Abstract: A laser beam steering device and a system including the laser beam steering device are provided. The laser beam steering device includes a refractive index change layer having a refractive index that changes based on an electrical signal; at least one antenna pattern disposed above the refractive index change layer; a wavelength selection layer disposed under the refractive index change layer and configured to correspond to a wavelength of a laser beam incident onto the laser beam steering device; and a driver configured to apply the electrical signal to the refractive index change layer.

公开(公告)号：US10235912B2

公开(公告)日：2019-03-19

申请号：US15311333

申请日：2014-05-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hoyoung Ahn ,  Jungwoo Kim ,  Taeho Kim ,  Byounglyong Choi ,  Sungwoo Hwang ,  Sangwon Kim ,  Daeyoung Chung ,  Jiyeon Ku

IPC: G06T3/40 ,  G09G3/00 ,  G02B27/02 ,  G02B27/22 ,  G02C7/04 ,  G06F3/01 ,  G09G5/391 ,  G06F3/147 ,  G06F1/16 ,  G06T3/00

Abstract: An image display device includes an eye wearable lens; a display panel embedded inside the eye wearable lens or arranged on a surface of the eye wearable lens, the display panel comprising an array of a plurality of optical elements for forming an image to be projected onto a retina, wherein a resolution of the image formed by the plurality of optical elements is higher on a central portion of the retina than on a peripheral portion of the retina; and an image signal processor for generating an image signal according to image information which is to be displayed on the display panel and for generating a control signal for controlling each of the plurality of optical elements to be turned on/off according to the image signal.

公开(公告)号：US20170249522A1

公开(公告)日：2017-08-31

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

CPC classification number: G06K9/222 ,  G06F3/03545 ,  G06F3/038 ,  G06F3/0383 ,  H04N5/2257 ,  H04N5/23296

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：US11656406B2

公开(公告)日：2023-05-23

申请号：US17123772

申请日：2020-12-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil Kim ,  Junghyun Park ,  Byounglyong Choi

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

CPC classification number: G02B6/12014 ,  G01S7/4817 ,  G01S17/36 ,  G02F1/292 ,  G02B2006/12104

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：US11640074B2

公开(公告)日：2023-05-02

申请号：US16932436

申请日：2020-07-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Duhyun Lee ,  Changgyun Shin ,  Sunil Kim ,  Byounglyong Choi

IPC: G02F1/00 ,  G02F1/01 ,  G02F1/29 ,  G01S17/06

Abstract: A phase modulation active device and a method of driving the same are provided. The method may include configuring, for the phase modulation active device including a plurality of channels that modulate a phase of incident light, a phase profile indicating a phase modulation target value to be implemented by the phase modulation active device; setting a phase limit value of the phase modulation active device; generating a modified phase profile based on the phase profile by modifying the phase modulation target value, for at least one channel from the plurality of channels that meets or exceeds the phase limit value, to a modified phase modulation target value that is less than the phase limit value in the phase profile; and operating the phase modulation active device based on the modified phase profile. Thus, improved optical modulation performance may be achieved.

公开(公告)号：US11474411B2

公开(公告)日：2022-10-18

申请号：US17001739

申请日：2020-08-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil Kim ,  Changgyun Shin ,  Byounglyong Choi

IPC: G02F1/035 ,  G02B6/12 ,  G02B6/10 ,  G02F1/35 ,  G02B6/122 ,  G02B6/28 ,  G02B6/35 ,  G02F1/01 ,  G02F1/365

Abstract: A laser beam phase-modulation device, a laser beam steering device, and a laser beam steering system including the same are provided. The laser beam phase-modulation device includes a refractive index conversion layer having a refractive index that is changed according to an electrical signal applied thereto, the refractive index conversion layer including an upper surface on which the laser beam is incident and a lower surface opposite the upper surface, at least one antenna pattern embedded in the upper surface of the refractive index conversion layer, and a metal mirror layer provided under the lower surface of the refractive index conversion layer and configured to reflect the laser beam.

公开(公告)号：US11211761B2

公开(公告)日：2021-12-28

申请号：US16883394

申请日：2020-05-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil Kim ,  Duhyun Lee ,  Changbum Lee ,  Byounglyong Choi

IPC: H01S3/00 ,  G02F1/29 ,  H01S5/00

Abstract: A laser beam steering device and a system including the laser beam steering device are provided. The laser beam steering device includes a refractive index change layer having a refractive index that changes based on an electrical signal; at least one antenna pattern disposed above the refractive index change layer; a wavelength selection layer disposed under the refractive index change layer and configured to correspond to a wavelength of a laser beam incident onto the laser beam steering device; and a driver configured to apply the electrical signal to the refractive index change layer.

公开(公告)号：US11131754B2

公开(公告)日：2021-09-28

申请号：US16845963

申请日：2020-04-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil Kim ,  Byounglyong Choi

IPC: G01S7/481 ,  G01S17/89 ,  G01S17/06 ,  G02F1/295

Abstract: A beam steering device includes a waveguide configured to transmit a beam therethrough; a cladding layer provided on the waveguide and including a material having a refractive index that varies according to a voltage applied thereto; and an electrode layer including at least two electrodes configured to independently voltages to at least two portions of the cladding layer.

公开(公告)号：US11085996B2

公开(公告)日：2021-08-10

申请号：US16277071

申请日：2019-02-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun Park ,  Jungwoo Kim ,  Byunggil Jeong ,  Changgyun Shin ,  Byounglyong Choi

IPC: G02F1/19 ,  G02F1/07 ,  G01S7/481 ,  G02F1/01 ,  G01S17/89 ,  G01S17/90

Abstract: A beam scanning apparatus includes a light source configured to emit light, and a reflective phased array device configured to reflect the light emitted from the light source and incident on the reflective phased array device, and electrically adjust a reflection angle of the reflected light reflected by the reflective phased array device, wherein the light source and the reflective phased array device are disposed such the light is incident on the reflective phased array device at an incidence angle with respect to a normal of a reflective surface of the reflective phased array device.

公开(公告)号：US11022855B2

公开(公告)日：2021-06-01

申请号：US16023641

申请日：2018-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Junghyun Park ,  Changgyun Shin ,  Byounglyong Choi ,  Seunghoon Han

IPC: G02F1/00 ,  G01S7/48 ,  G02F1/29 ,  G01S7/481 ,  G01S17/931

Abstract: A beam scanning apparatus and an optical apparatus including the same are provided. The beam scanning apparatus includes a first antenna group including a plurality of first nano antennas disposed apart from each other, a first driving voltage line and a second driving voltage line connected to a first nano antenna and a second nano antenna, respectively, among the plurality of first nano antennas, the first nano antenna and the second nano antenna being respectively disposed at first ends within the first antenna group, and a first voltage divider configured to distribute a plurality of first voltages to one or more first middle nano antennas disposed between the first nano antenna and the second nano antenna, among the plurality of first nano antennas, at regular voltage intervals.