公开(公告)号：US20200050076A1

公开(公告)日：2020-02-13

申请号：US16605399

申请日：2018-04-20

Applicant: LensVector Inc.

Inventor： Tigran Galstian ,  Vladimir Presniakov ,  Karen Asatryan ,  Armen Zohrabyan

IPC: G02F1/29 ,  G02B27/09 ,  G02F1/1343

Abstract: Liquid crystal light beam broadening devices and their manufacture are described. Beneficial aspects of beam broadening devices employed for controlled illumination and architectural purposes are presented including providing symmetric beam broadening, improving the beam intensity profile, beam divergence preconditioning and improving projected beam intensity uniformity. Both beam control devices having in-plane and homeotropic ground state liquid crystal alignment are presented.

公开(公告)号：US20190186712A1

公开(公告)日：2019-06-20

申请号：US16331231

申请日：2017-09-08

Applicant: LensVector Inc.

Inventor： Tigran Galstian ,  Karen Asatryan ,  Vladimir Presniakov ,  Armen Zohrabyan ,  Jacques GODIN

IPC: F21V14/00 ,  G02F1/137 ,  G02F1/1334 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1343

CPC classification number: F21V14/003 ,  G02B5/02 ,  G02F1/13318 ,  G02F1/133308 ,  G02F1/1334 ,  G02F1/13439 ,  G02F1/137 ,  G02F1/29 ,  G02F2001/13324 ,  G02F2001/13775 ,  G02F2201/56 ,  G02F2203/12 ,  G02F2203/24 ,  G08C23/04

Abstract: A variable light beam is provided from a light source. The light source can be an LED light source or other source. The light source includes basic collimation optics, such as reflector or Fresnel lens, an electrically controllable LC device, such as a polydisperse LC film, in front of the incident spot light beam. Preferably the polydisperse LC film includes transparent flat uniform electrode layers. The LC device can be autonomous of the light source. The proposed solution provides a dynamically controllable, preferably polarizer-free and pixel-free, beam shape light source module including a controllable light beam control module and a light source module providing the initial light beam in a scanner light source, a camera flash, an architectural, automobile or industrial lighting device.

公开(公告)号：US10285803B2

公开(公告)日：2019-05-14

申请号：US14956145

申请日：2015-12-01

Applicant: LENSVECTOR INC.

Inventor： Tigran Galstian ,  Denis Brousseau

IPC: G02C7/00 ,  G02C7/02 ,  G02C7/04 ,  A61F2/16 ,  G02C7/08

Abstract: An ocular adaptive lens prosthesis apparatus is provided. In some implementations the apparatus includes a tunable liquid crystal lens encapsulated in the ocular prosthesis with control electronics and a power source. The tunable liquid crystal lens is driven in response to a convergence signal to provide accommodation. In some embodiments the tunable liquid crystal device corrects other visual shortcomings of the natural eye. The ocular prosthesis has a remote programmable tunable liquid crystal lens controller configured to recalibrate the tunable liquid crystal lens to compensate for dynamic adaptation of the eye over time. A coil is employed to transmit a convergence signal between a pair of ocular prostheses in a dual eye vision correction system.

公开(公告)号：US09989822B2

公开(公告)日：2018-06-05

申请号：US14504977

申请日：2014-10-02

Applicant: LENSVECTOR INC.

Inventor： Tigran Galstian

IPC: G02F1/1335 ,  G02F1/1347 ,  G02F1/1343 ,  G02F1/137 ,  G02F1/17 ,  G02B3/00 ,  G02B3/14 ,  G02B5/09 ,  G02F1/13 ,  G02F1/1337

CPC classification number: G02F1/13471 ,  G02B3/0006 ,  G02B3/14 ,  G02B5/09 ,  G02F1/1313 ,  G02F1/133512 ,  G02F1/1337 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/13475 ,  G02F1/13725 ,  G02F1/172

Abstract: An apparatus for controlling light transmission from an optical input to an optical output can function as a tunable iris or eclipse, or as a privacy window. The iris/eclipse can use a liquid crystal matrix with a dispersion of dichroic particles that absorb light in one orientation and transmit light in another, such that controlling the liquid crystal with an electric field allows control of the dichroic particles. Alternatively, a layer may be used with a light absorbing liquid or powder material that moves with a charged material in response to a variable electric field applied to the layer. Privacy windows use a plurality of liquid crystal microlenses that can be controlled with an electric field to allow an image of an optical input to be obtainable at an optical output when in a first state, or to render the image irretrievable when in a second state.

公开(公告)号：US20180101051A1

公开(公告)日：2018-04-12

申请号：US15839225

申请日：2017-12-12

Applicant: LENSVECTOR INC.

Inventor： Tigran GALSTIAN ,  Jean-François VIENS ,  Amir TORK

IPC: G02F1/1333 ,  G02F1/133 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/137 ,  G02F1/1341

CPC classification number: G02F1/133345 ,  G02B3/14 ,  G02F1/13306 ,  G02F1/1337 ,  G02F1/1341 ,  G02F1/134309 ,  G02F1/137

Abstract: A variable liquid crystal optical device for controlling the propagation of light has one or more transparent thin-film highly-resistive layer (HRL) coupled to a substrate and an electrode structure. The HRL has core layer and a cover or proximity layer, wherein the core layer material has a higher electrical conductivity and higher refractive index than the cover layer material; and wherein the core and cover layer materials have substantially the same free energies of formation of oxide. In this way, the electrode structure will be environmentally stable and responsive to an applied electrical current to generate a spatially non-uniform magnetic field.

公开(公告)号：US20170255047A1

公开(公告)日：2017-09-07

申请号：US15320457

申请日：2015-06-25

Applicant: LENSVECTOR INC.

Inventor： Tigran GALSTIAN ,  Aram BAGRAMYAN ,  Amir TORK

IPC: G02F1/1339 ,  G02F1/1337 ,  G02F1/1341 ,  G02F1/1343

CPC classification number: G02F1/13394 ,  G02F1/133351 ,  G02F1/1337 ,  G02F1/1341 ,  G02F1/134309 ,  G02F1/1347 ,  G02F2203/07

Abstract: A method of wafer level manufacturing, separating and electrical connection of liquid crystal optical devices is disclosed. An electro-optic device having at least one liquid crystal cell for providing spatially variable control of light is also described. The electro-optic device includes: a pair of opposed substrates, each substrate having a lateral extent; a pair of electrodes for applying an electric field therebetween, each electrode having a pattern and being deposited on a corresponding substrate, each electrode having an electrical contact area extending to at least one side of the corresponding substrate; a pair of alignment layers sandwiching a liquid crystal layer therebetween, the alignment layers defining a predominant orientation direction for liquid crystal molecules of the liquid crystal layer; and a liquid crystal reservoir wall defining a lateral extent of the liquid crystal layer, the liquid crystal reservoir wall being spaced from at least one side of each substrate such that each electrode electrical contact area is exposed to air in an air gap between the substrates.

公开(公告)号：US09599852B1

公开(公告)日：2017-03-21

申请号：US14451732

申请日：2014-08-05

Applicant: LensVector Inc.

Inventor： Tigran Galstian

IPC: H01L33/52 ,  G02F1/1333 ,  G02F1/1337 ,  G02F1/1335 ,  G02F1/1339

CPC classification number: G02F1/29 ,  B29D11/00307 ,  G02F1/1333 ,  G02F1/133351 ,  G02F1/1339 ,  G02F2001/291 ,  G02F2202/28

Abstract: A method of manufacturing a liquid crystal optical device such as a lens, a beam steering device or an optical image stabilization device is described. The method includes edge bonding a thin substrate onto a carrier substrate to obtain a combined substrate; manipulating the combined substrate by the carrier substrate for wafer level fabricating at least one liquid crystal optical device on the central portion of the first thin substrate. Each liquid crystal optical device includes liquid crystal cell walls. To form the at least one liquid crystal optical device a second thin substrate is provided and bonded to the combined substrate. The cell walls support and interconnect the thin first substrate to the second thin substrate. The at least one liquid crystal optical device is singulated by dicing the combined substrate within the peripheral bonding zone.

公开(公告)号：US09229254B2

公开(公告)日：2016-01-05

申请号：US14501964

申请日：2014-09-30

Applicant: LensVector Inc.

Inventor： Tigran Galstian ,  Vladimir Presniakov ,  Karen Asatryan ,  Amir Tork ,  Armen Zohrabyan ,  Aram Bagramyan

IPC: G02F1/1335 ,  G02F1/133 ,  C08J3/28 ,  G02F1/29 ,  G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/29 ,  C08J3/28 ,  G02F1/13306 ,  G02F1/1337 ,  G02F1/134309 ,  G02F2001/133749 ,  G02F2001/294 ,  G02F2203/24

Abstract: Variable liquid crystal devices for controlling the propagation of light through a liquid crystal layer use a frequency dependent material to dynamically reconfigure effective electrode structures in the device. The drive signal source uses pulse-width modulation to set a frequency and an amplitude of the drive signal.

公开(公告)号：US20150309342A1

公开(公告)日：2015-10-29

申请号：US14694386

申请日：2015-04-23

Applicant: LENSVECTOR INC.

Inventor： Tigran GALSTIAN ,  Vladimir PRESNIAKOV ,  Karen ASATRYAN ,  Armen ZOHRABYAN

IPC: G02F1/135 ,  G02F1/1343

CPC classification number: G02F1/134309 ,  G02F1/13439 ,  G02F1/13471 ,  G02F1/135 ,  G02F2001/294 ,  G02F2203/06

Abstract: Variable liquid crystal devices for controlling the propagation of light through a liquid crystal layer use a frequency dependent material to dynamically reconfigure effective electrode structures in the device. The frequency of a drive signal that generates an electric field in the device can be varied, and the frequency dependent material has different charge mobilities for the different frequencies. At a low charge mobility, the frequency dependent material has little effect on the existing electrode structures. However, at a high charge mobility, the frequency dependent material appears as an extension of the fixed electrodes, and can be used to change the effective electrode structure and, thereby, the spatial profile of the electric field. This, in turn, changes the optical properties of the liquid crystal, thus allowing the optical device to be frequency controllable.

Abstract translation: 用于控制光通过液晶层的传播的可变液晶装置使用频率相关材料来动态地重新配置装置中的有效电极结构。 可以改变在器件中产生电场的驱动信号的频率，并且频率相关材料对于不同的频率具有不同的电荷迁移率。 在低电荷迁移率下，频率相关材料对现有的电极结构几乎没有影响。 然而，在高电荷迁移率下，频率相关材料表现为固定电极的延伸，并且可用于改变有效电极结构，从而改变电场的空间分布。 这又改变了液晶的光学特性，从而允许光学器件是频率可控的。

公开(公告)号：WO2018191823A1

公开(公告)日：2018-10-25

申请号：PCT/CA2018/050472

申请日：2018-04-20

Applicant: LENSVECTOR INC. ,  GALSTIAN, Tigran

Inventor： GALSTIAN, Tigran ,  GALSTIAN, Tigran ,  PRESNIAKOV, Vladimir ,  ASATRYAN, Karen ,  ZOHRABYAN, Armen

IPC: G02B27/09 ,  G02F1/29

Abstract: Liquid crystal light beam broadening devices and their manufacture are described. Beneficial aspects of beam broadening devices employed for controlled illumination and architectural purposes are presented including providing symmetric beam broadening, improving the beam intensity profile, beam divergence preconditioning and improving projected beam intensity uniformity. Both beam control devices having in-plane and homeotropic ground state liquid crystal alignment are presented.