KR20190045832A - 저항성 가열에 의한 액정 온도 제어 - Google Patents

저항성 가열에 의한 액정 온도 제어 Download PDF

Info

Publication number
KR20190045832A
KR20190045832A KR1020180119731A KR20180119731A KR20190045832A KR 20190045832 A KR20190045832 A KR 20190045832A KR 1020180119731 A KR1020180119731 A KR 1020180119731A KR 20180119731 A KR20180119731 A KR 20180119731A KR 20190045832 A KR20190045832 A KR 20190045832A
Authority
KR
South Korea
Prior art keywords
electrode
liquid crystal
crystal material
current
electrodes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
KR1020180119731A
Other languages
English (en)
Korean (ko)
Inventor
헤기 알렉스
Original Assignee
팔로 알토 리서치 센터 인코포레이티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 팔로 알토 리서치 센터 인코포레이티드 filed Critical 팔로 알토 리서치 센터 인코포레이티드
Publication of KR20190045832A publication Critical patent/KR20190045832A/ko
Priority to KR1020220185004A priority Critical patent/KR102612631B1/ko
Ceased legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/2823—Imaging spectrometer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
    • G02F1/133565—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements inside the LC elements, i.e. between the cell substrates
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/2823—Imaging spectrometer
    • G01J2003/2826—Multispectral imaging, e.g. filter imaging
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/58—Arrangements comprising a monitoring photodetector
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/05—Function characteristic wavelength dependent
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/07—Polarisation dependent
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/60—Temperature independent

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Liquid Crystal (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
KR1020180119731A 2017-10-24 2018-10-08 저항성 가열에 의한 액정 온도 제어 Ceased KR20190045832A (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020220185004A KR102612631B1 (ko) 2017-10-24 2022-12-26 저항성 가열에 의한 액정 온도 제어

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/792,465 US10884278B2 (en) 2017-10-24 2017-10-24 Liquid crystal temperature control by resistive heating
US15/792,465 2017-10-24

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020220185004A Division KR102612631B1 (ko) 2017-10-24 2022-12-26 저항성 가열에 의한 액정 온도 제어

Publications (1)

Publication Number Publication Date
KR20190045832A true KR20190045832A (ko) 2019-05-03

Family

ID=63965421

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020180119731A Ceased KR20190045832A (ko) 2017-10-24 2018-10-08 저항성 가열에 의한 액정 온도 제어
KR1020220185004A Active KR102612631B1 (ko) 2017-10-24 2022-12-26 저항성 가열에 의한 액정 온도 제어

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020220185004A Active KR102612631B1 (ko) 2017-10-24 2022-12-26 저항성 가열에 의한 액정 온도 제어

Country Status (5)

Country Link
US (1) US10884278B2 (enExample)
EP (1) EP3477367A1 (enExample)
JP (1) JP7166126B2 (enExample)
KR (2) KR20190045832A (enExample)
CN (1) CN109696765A (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10564504B2 (en) * 2017-11-30 2020-02-18 Palo Alto Research Center Incorporated Liquid-crystal variable retarder using liquid crystal cells of differing thicknesses
US10983338B2 (en) 2017-12-29 2021-04-20 Palo Alto Research Center Incorporated Exit-pupil expander used distribute light over a liquid-crystal variable retarder
US10663346B2 (en) 2017-12-29 2020-05-26 Palo Alto Research Center Incorporated Method and apparatus for transforming uniformly or non-uniformly sampled interferograms to produce spectral data
CN108267450A (zh) * 2018-02-28 2018-07-10 京东方科技集团股份有限公司 基板检测装置和方法
CN108983476B (zh) * 2018-08-31 2021-09-07 上海天马微电子有限公司 液晶显示面板与液晶显示装置
CA3125716C (en) 2020-07-21 2024-04-09 Leddartech Inc. Systems and methods for wide-angle lidar using non-uniform magnification optics
CA3125623C (en) 2020-07-21 2023-06-27 Leddartech Inc. Beam-steering device particularly for lidar systems
WO2022016274A1 (en) 2020-07-21 2022-01-27 Leddartech Inc. Beam-steering devices and methods for lidar applications
WO2022155612A1 (en) * 2021-01-18 2022-07-21 Boulder Nonlinear Systems, Inc. Aperture heating for liquid crystal beam steering systems
CN113156673B (zh) * 2021-04-09 2023-02-28 Tcl华星光电技术有限公司 配向检测装置及其检测方法
GB2633139A (en) * 2023-02-17 2025-03-05 Merck Patent Gmbh Device, method for producing a liquid crystal cell, and method for operating a device

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0621907B2 (ja) * 1985-09-26 1994-03-23 株式会社日立製作所 液晶表示装置の駆動法
US4773735A (en) 1986-08-04 1988-09-27 Allied-Signal Inc. Fast warm-up heater for liquid crystal display
US4987289A (en) 1988-07-21 1991-01-22 Rockwell International Corporation Liquid crystal display heating system
JPH04271323A (ja) * 1991-02-27 1992-09-28 Fuji Photo Film Co Ltd 液晶表示素子
JPH05127153A (ja) * 1991-10-31 1993-05-25 Canon Inc 透明パネルヒータ
JPH0736414A (ja) * 1993-07-20 1995-02-07 Sharp Corp 液晶表示電圧の制御装置
US5805117A (en) * 1994-05-12 1998-09-08 Samsung Electronics Co., Ltd. Large area tiled modular display system
JPH10123527A (ja) * 1996-10-24 1998-05-15 Canon Inc 液晶素子の製造方法
US6089751A (en) * 1996-12-30 2000-07-18 Honeywell Inc. Transparent temperature sensor for an active matrix liquid crystal display
JPH11271711A (ja) * 1998-03-25 1999-10-08 Citizen Watch Co Ltd 液晶駆動用電源制御回路
JP3973477B2 (ja) * 2002-04-12 2007-09-12 シャープ株式会社 画像表示装置
JP2003329999A (ja) * 2002-05-14 2003-11-19 Toyota Industries Corp 液晶表示装置
US6943768B2 (en) * 2003-02-21 2005-09-13 Xtellus Inc. Thermal control system for liquid crystal cell
US20050041020A1 (en) * 2003-06-17 2005-02-24 Cubic Corporation Wide temperature range PDLC shutter
KR101131268B1 (ko) 2004-12-29 2012-03-30 엘지디스플레이 주식회사 액정표시소자
US6992809B1 (en) * 2005-02-02 2006-01-31 Chemimage Corporation Multi-conjugate liquid crystal tunable filter
JP4919607B2 (ja) * 2005-02-28 2012-04-18 オプトレックス株式会社 液晶表示装置
US8562871B2 (en) * 2006-07-10 2013-10-22 Sabic Innovative Plastics Ip B.V. Composition and associated method
WO2008017316A1 (en) 2006-08-08 2008-02-14 Gm Global Technology Operations, Inc. Thermally tunable liquid crystal based optical correcting element for a display
JP2008083217A (ja) * 2006-09-26 2008-04-10 Seiko Epson Corp 液晶装置
JP5134286B2 (ja) * 2007-05-18 2013-01-30 株式会社ジャパンディスプレイイースト 液晶表示装置
WO2010088596A1 (en) * 2009-01-30 2010-08-05 Alphamicron, Inc. Attachable optical element arrangements and methods
US9692209B2 (en) * 2011-06-10 2017-06-27 Massachusetts Institute Of Technology High-concentration active doping in semiconductors and semiconductor devices produced by such doping
AU2014212124A1 (en) * 2013-02-01 2015-09-10 Daniel FARKAS Method and system for characterizing tissue in three dimensions using multimode optical measurements
EP2972575B1 (en) * 2013-03-15 2018-07-11 Lensvector Inc. Methods and apparatus for focus improvement in multiple liquid crystal cell lenses
JP6443977B2 (ja) * 2015-01-30 2018-12-26 京セラ株式会社 液晶表示装置
EP3203309A1 (en) * 2016-02-04 2017-08-09 Bodle Technologies Limited Optical device with thermally switching phase change material
US10768497B2 (en) * 2016-10-03 2020-09-08 Xerox Corporation Hyperspectral imaging system

Also Published As

Publication number Publication date
US20190121191A1 (en) 2019-04-25
EP3477367A1 (en) 2019-05-01
JP2019079036A (ja) 2019-05-23
KR20230007997A (ko) 2023-01-13
KR102612631B1 (ko) 2023-12-14
JP7166126B2 (ja) 2022-11-07
CN109696765A (zh) 2019-04-30
US10884278B2 (en) 2021-01-05

Similar Documents

Publication Publication Date Title
KR102612631B1 (ko) 저항성 가열에 의한 액정 온도 제어
Guo et al. Durable and programmable ultrafast nanophotonic matrix of spectral pixels
US5247374A (en) Liquid crystal display device with common heater between two cells
JP2019079036A5 (enExample)
KR102430145B1 (ko) 상이한 두께의 액정 셀들을 이용한 액정 가변 지연자
EP3486716A1 (en) Liquid crystal grating and control method therefor
JP2002243555A (ja) 透明面温度センサ及び透明面温度制御装置
Harris Characterization and application of a liquid crystal beam steering device
JP2003295152A5 (enExample)
CN107092104B (zh) 基于铌酸锂晶体温控的激光偏转调制方法
CN112525493A (zh) 一种铁电液晶延迟器光学特性检测方法及装置
US9813644B1 (en) Nano-antenna array infrared imager
KR100350537B1 (ko) 저온 동작 특성이 개선된 액정 표시장치
WO2022155612A1 (en) Aperture heating for liquid crystal beam steering systems
GB2126365A (en) A method of heating an electrooptical device
CN112432904A (zh) 一种新型液晶偏振调制器及其探测方法
JP4819415B2 (ja) 光デバイス
Tatsumi et al. Reduction of ambient temperature dependence of KTa1-xNbxO3 electro-optic deflector by double-thermistor structure
CN115372678A (zh) 一种原位测量装置
Kato et al. Characteristics of a ferroelectric liquid crystal spatial light modulator with a dielectric mirror
Takeda et al. Birefringence and electro-optic effect in epitaxial BST thin films
JPS61187625A (ja) 温度センサ−
JP2005221984A5 (enExample)
Baumann Potassium dihydrogen phosphate and potassium tantalate niobate pyroelectric materials and far-infrared detectors
JP3950687B2 (ja) 液晶表示素子

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20181008

PG1501 Laying open of application
A201 Request for examination
A302 Request for accelerated examination
AMND Amendment
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20211006

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 20181008

Comment text: Patent Application

PA0302 Request for accelerated examination

Patent event date: 20211006

Patent event code: PA03022R01D

Comment text: Request for Accelerated Examination

Patent event date: 20181008

Patent event code: PA03021R01I

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20220209

Patent event code: PE09021S01D

AMND Amendment
E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20220609

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20220209

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

X091 Application refused [patent]
AMND Amendment
PX0901 Re-examination

Patent event code: PX09011S01I

Patent event date: 20220609

Comment text: Decision to Refuse Application

Patent event code: PX09012R01I

Patent event date: 20220408

Comment text: Amendment to Specification, etc.

Patent event code: PX09012R01I

Patent event date: 20211006

Comment text: Amendment to Specification, etc.

PX0601 Decision of rejection after re-examination

Comment text: Decision to Refuse Application

Patent event code: PX06014S01D

Patent event date: 20220926

Comment text: Amendment to Specification, etc.

Patent event code: PX06012R01I

Patent event date: 20220908

Comment text: Decision to Refuse Application

Patent event code: PX06011S01I

Patent event date: 20220609

Comment text: Amendment to Specification, etc.

Patent event code: PX06012R01I

Patent event date: 20220408

Comment text: Notification of reason for refusal

Patent event code: PX06013S01I

Patent event date: 20220209

Comment text: Amendment to Specification, etc.

Patent event code: PX06012R01I

Patent event date: 20211006

X601 Decision of rejection after re-examination