公开(公告)号：US20240231098A9

公开(公告)日：2024-07-11

申请号：US18278974

申请日：2022-02-25

Applicant: Agency for Science, Technology and Research ,  Nanyang Technological University

Inventor： Weitao Song ,  Xinan Liang ,  Yuanjin Zheng ,  Arseniy Kuznetsov

IPC: G02B27/01

CPC classification number: G02B27/0172 ,  G02B27/0179 ,  G02B2027/0127 ,  G02B2027/0174 ,  G02B2027/0187

Abstract: An optical system and a method of forming the same. The optical system may include a light source configured to generate a light beam, the light beam being coherent or partially coherent. The optical system may also include a spatial light modulator configured to modulate a phase of the light beam. The optical system may further include an eyepiece for directing the modulated light beam to an eye of a viewer, the eyepiece arranged such that an optical distance between the spatial light modulator and a main plane of the eyepiece is greater than a focal length of the eyepiece. The spatial light modulator may include an active display area having a dimension of less than 2 mm.

公开(公告)号：US11822190B2

公开(公告)日：2023-11-21

申请号：US17622324

申请日：2019-06-24

Applicant: Agency for Science, Technology and Research

Inventor： Xuewu Xu ,  Ramon Jose Paniagua Dominguez ,  Arseniy Kuznetsov

IPC: G02F1/1343

CPC classification number: G02F1/134309 ,  G02F2203/12

Abstract: Various embodiments may provide a spatial light modulator. The spatial light modulator may include a first electrode arrangement. The spatial light modulator may also include a second electrode arrangement. The spatial light modulator may additionally include a liquid crystal (LC) layer between the first electrode arrangement and the second electrode arrangement. The spatial light modulator may also include one or more nanoantennas in contact with the liquid crystal layer. The first electrode arrangement and the second electrode arrangement may be each configured to allow at least a portion of light to pass through.

公开(公告)号：US20230213811A1

公开(公告)日：2023-07-06

申请号：US18008520

申请日：2020-06-10

Applicant: Agency for Science, Technology and Research

Inventor： Shampy Mansha ,  Ramon Jose Paniagua Dominguez ,  Arseniy Kuznetsov

IPC: G02F1/1335

CPC classification number: G02F1/133553 ,  G02F1/133567 ,  G02F2203/12

Abstract: A spatial light modulator and a method for forming the spatial light modulator. The spatial light modulator may include a first reflector. The spatial light modulator may also include a second reflector. The spatial light modulator may further include a liquid crystal layer between the first reflector and the second reflector. The first reflector may include a first electrode. The second reflector may include a second electrode. At least one reflector selected from the first reflector and the second reflector may be or may include a distributed Bragg reflector (DBR). The first reflector and the second reflector may form a Fabry-Perot (FP) cavity.

公开(公告)号：US20210272596A1

公开(公告)日：2021-09-02

申请号：US16076258

申请日：2017-01-26

Applicant: Agency for Science, Technology and Research

Inventor： Arseniy Kuznetsov ,  Ramon Jose Paniagua Dominguez

IPC: G11B7/2433 ,  H01Q15/00 ,  H01Q3/46 ,  G02F1/29 ,  G02F1/01

Abstract: Various embodiments may provide a device for controlling an electromagnetic wave according to various embodiments. The device may include a medium. The device may further include an array of elements in contact with the medium and may be configured to receive the electromagnetic wave. Each element of the array of elements may include a phase change material configured to switch from, at least, a first state to a second state in response to an external input, thereby changing an optical property of the respective element to control the electromagnetic wave.

公开(公告)号：US20220252945A1

公开(公告)日：2022-08-11

申请号：US17622324

申请日：2019-06-24

Applicant: Agency for Science, Technology and Research

Inventor： Xuewu Xu ,  Ramon Jose Paniagua Dominguez ,  Arseniy Kuznetsov

IPC: G02F1/1343

Abstract: Various embodiments may provide a spatial light modulator. The spatial light modulator may include a first electrode arrangement. The spatial light modulator may also include a second electrode arrangement. The spatial light modulator may additionally include a liquid crystal (LC) layer between the first electrode arrangement and the second electrode arrangement. The spatial light modulator may also include one or more nanoantennas in contact with the liquid crystal layer. The first electrode arrangement and the second electrode arrangement may be each configured to allow at least a portion of light to pass through.

公开(公告)号：US20210028332A1

公开(公告)日：2021-01-28

申请号：US16766936

申请日：2018-12-20

Applicant: Agency for Science, Technology and Research ,  Nanyang Technological University

Inventor： Zhengtong Liu ,  Yuriy Akimov ,  Song Sun ,  Egor Khaidarov ,  Ramon Paniagua Dominguez ,  Arseniy Kuznetsov ,  Hilmi Volkan Demir

IPC: H01L33/46 ,  G02B27/30 ,  H01L27/15 ,  G02B1/00 ,  G02B26/08

Abstract: Various embodiments may relate to an optical device. The optical device may include a radiation collimator configured to generate a directed light beam based on omni-directional light emission. The optical device may also include one or more optical elements configured to change a parameter of the directed light beam. The radiation collimator comprises a first reflector, a second reflector and a spacer between the first reflector and the second reflector. The first reflector, the second reflector and the spacer form a resonant cavity.

公开(公告)号：US10514573B2

公开(公告)日：2019-12-24

申请号：US16075261

申请日：2017-01-19

Applicant: Agency for Science, Technology and Research

Inventor： Arseniy Kuznetsov ,  Ramon Jose Paniagua Dominguez

IPC: G02F1/1335 ,  G09G3/36

Abstract: Various embodiments may provide a device for controlling an electromagnetic wave. The device may include a first electrode layer. The device may also include a second electrode layer. The device may further include a matrix layer between the first electrode layer and the second electrode layer. The matrix layer may include a liquid crystal layer. The matrix layer may also include at least one resonator element in contact with the liquid crystal layer. The liquid crystal layer may be configured to switch from, at least, a first state to a second state in response to a voltage applied between the first electrode layer and the second electrode layer, thereby changing an optical property of the matrix layer to control the electromagnetic wave received by the matrix layer.

公开(公告)号：US12044921B2

公开(公告)日：2024-07-23

申请号：US18008520

申请日：2020-06-10

Applicant: Agency for Science, Technology and Research

Inventor： Shampy Mansha ,  Ramon Jose Paniagua Dominguez ,  Arseniy Kuznetsov

IPC: G02F1/1335

CPC classification number: G02F1/133553 ,  G02F1/133567 ,  G02F2203/12

Abstract: A spatial light modulator and a method for forming the spatial light modulator. The spatial light modulator may include a first reflector. The spatial light modulator may also include a second reflector. The spatial light modulator may further include a liquid crystal layer between the first reflector and the second reflector. The first reflector may include a first electrode. The second reflector may include a second electrode. At least one reflector selected from the first reflector and the second reflector may be or may include a distributed Bragg reflector (DBR). The first reflector and the second reflector may form a Fabry-Perot (FP) cavity.

公开(公告)号：US20240134197A1

公开(公告)日：2024-04-25

申请号：US18278974

申请日：2022-02-25

Applicant: Agency for Science, Technology and Research ,  Nanyang Technological University

Inventor： Weitao Song ,  Xinan Liang ,  Yuanjin Zheng ,  Arseniy Kuznetsov

IPC: G02B27/01

CPC classification number: G02B27/0172 ,  G02B27/0179 ,  G02B2027/0127 ,  G02B2027/0174 ,  G02B2027/0187

Abstract: An optical system and a method of forming the same. The optical system may include a light source configured to generate a light beam, the light beam being coherent or partially coherent. The optical system may also include a spatial light modulator configured to modulate a phase of the light beam. The optical system may further include an eyepiece for directing the modulated light beam to an eye of a viewer, the eyepiece arranged such that an optical distance between the spatial light modulator and a main plane of the eyepiece is greater than a focal length of the eyepiece. The spatial light modulator may include an active display area having a dimension of less than 2 mm.

公开(公告)号：US10809430B2

公开(公告)日：2020-10-20

申请号：US16071454

申请日：2016-12-15

Applicant: Agency for Science, Technology and Research

Inventor： Arseniy Kuznetsov ,  Ramon Jose Paniagua Dominguez

IPC: G02B5/30 ,  G02B27/28 ,  G02B5/18 ,  G02B1/11

Abstract: Various embodiments may provide a polarization device for polarizing electromagnetic waves. The polarization device may include a stacked arrangement including a medium and an anti-reflection coating in contact with the medium. The polarization device may also include a periodic array of polarization elements in contact with the medium. The polarization device may be configured to, based on an electric response and a magnetic response of the periodic array of the polarization elements, transmit first polarized electromagnetic waves having a first polarization and reflect second polarized electromagnetic waves having a second polarization upon receiving the electromagnetic waves.