公开(公告)号：US20190025509A1

公开(公告)日：2019-01-24

申请号：US15977785

申请日：2018-05-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Junghyun PARK ,  Byounglyong CHOI

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

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：US20180136537A1

公开(公告)日：2018-05-17

申请号：US15815188

申请日：2017-11-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Jungwoo KIM ,  Duhyun LEE ,  Changgyun SHIN ,  Byounglyong CHOI

IPC: G02F1/29 ,  G01S7/481

Abstract: A two-dimensional (2D) light modulating device may include a plurality of phase modulating elements and a circuit board. The plurality of phase modulating elements may include a meta surface having a nano-structure. The circuit board may be configured to independently control electrical signals that are respectively transmitted to the plurality of phase modulating elements. The circuit board may include a plurality of pixel circuit units. Each of the plurality of pixel circuit units may include a transistor and a capacitor.

公开(公告)号：US20180136383A1

公开(公告)日：2018-05-17

申请号：US15691091

申请日：2017-08-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chilsung CHOI ,  Sunil KIM ,  Hoon SONG ,  Jungkwuen AN ,  Hongseok LEE

IPC: F21V8/00 ,  G02B5/32 ,  G06F3/01

Abstract: A backlight device, a holographic display that includes the backlight device, and a method of manufacturing a holographic optical element are provided. The backlight device includes a light guide plate configured to guide light emitted by a light source, a first holographic optical element configured to expand light that has propagated through the light guide plate and that has a multi-layered structure, and a second holographic optical element configured to concentrate light reflected by the first holographic optical element.

公开(公告)号：US20180024412A1

公开(公告)日：2018-01-25

申请号：US15656318

申请日：2017-07-21

Applicant: SAMSUNG ELECTRONICS CO.,LTD.

Inventor： Sunil KIM ,  Jaechul PARK ,  Duhyun LEE ,  Byounglyong CHOI

IPC: G02F1/29 ,  G02F1/00

CPC classification number: G02F1/292 ,  B82Y20/00 ,  G02F1/0018 ,  G02F1/015 ,  G02F1/29 ,  G02F2202/10 ,  H01L31/02327 ,  H01L31/103

Abstract: A beam steering device is provided including a p-n junction layer disposed on a reflective electrode layer, wherein a refractive index of the p-n junction layer is variable according to a voltage applied to the reflective electrode layer; a nanoantenna layer including a plurality of components disposed on the p-n junction layer; and a common electrode electrically connected to each of the plurality of components of the nanoantenna. The p-n junction layer may include a p-doped layer and an n-doped layer.

公开(公告)号：US20170248747A1

公开(公告)日：2017-08-31

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 ,  G02B27/22

CPC classification number: G02B6/005 ,  G02B6/0055 ,  G02B6/0068 ,  G02B6/34 ,  G02B27/2214 ,  G03H1/2286 ,  G03H2223/16

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.

公开(公告)号：US20170168324A1

公开(公告)日：2017-06-15

申请号：US15364796

申请日：2016-11-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunil KIM ,  Changgyun SHIN ,  Duhyun LEE ,  Jungwoo KIM

IPC: G02F1/015 ,  H01L29/786 ,  G02F1/29 ,  H01L29/24

CPC classification number: G02F1/015 ,  B82Y20/00 ,  G02B1/002 ,  G02F1/0009 ,  G02F1/29 ,  G02F2202/30 ,  H01L29/24 ,  H01L29/7869

Abstract: A meta device includes a plurality of meta structures that spaced apart from each other and reflect at least a portion of incident light, a plurality of electrodes that are spaced apart from each other, and a controller configured to control a phase shift of reflected light using a voltage applied to the plurality of electrodes.

公开(公告)号：US20170139137A1

公开(公告)日：2017-05-18

申请号：US15096568

申请日：2016-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changbum LEE ,  Duhyun LEE ,  Sunil KIM ,  Jungwoo KIM ,  Byunggil JEONG

IPC: G02B6/13 ,  B05D7/00 ,  C23C28/00 ,  B05D3/00 ,  C23C30/00 ,  G02B6/122 ,  B05D5/06

CPC classification number: G02B6/13 ,  B05D3/007 ,  B05D5/06 ,  B05D7/5883 ,  B82Y20/00 ,  C23C28/32 ,  C23C28/345 ,  C23C30/005 ,  G02B1/002 ,  G02B5/008 ,  G02B6/1226

Abstract: A method of manufacturing a nano antenna is provided. The method includes forming a material layer on a substrate, defining a portion of the material layer, forming an adhesion layer on the defined portion of the material layer, forming a nano antenna material layer on the adhesion layer, and removing the adhesion layer to thereby manufacture the nano antenna.