HK1122875A1 - Surface light source which selectively irradiates two linearly polarized light beams in polarized states different from each other and liquid crystal display apparatus using the same - Google Patents

Surface light source which selectively irradiates two linearly polarized light beams in polarized states different from each other and liquid crystal display apparatus using the same

Info

Publication number
HK1122875A1
HK1122875A1 HK09100820.7A HK09100820A HK1122875A1 HK 1122875 A1 HK1122875 A1 HK 1122875A1 HK 09100820 A HK09100820 A HK 09100820A HK 1122875 A1 HK1122875 A1 HK 1122875A1
Authority
HK
Hong Kong
Prior art keywords
liquid crystal
crystal display
display apparatus
same
light source
Prior art date
Application number
HK09100820.7A
Other languages
English (en)
Inventor
Yasuhiro Daiku
Original Assignee
Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of HK1122875A1 publication Critical patent/HK1122875A1/xx

Links

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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
    • 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
    • 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
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • 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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133631—Birefringent elements, e.g. for optical compensation with a spatial distribution of the retardation value
    • 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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • G09G2310/063—Waveforms for resetting the whole screen at once
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
HK09100820.7A 2007-03-20 2009-01-23 Surface light source which selectively irradiates two linearly polarized light beams in polarized states different from each other and liquid crystal display apparatus using the same HK1122875A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007073209A JP4305539B2 (ja) 2007-03-20 2007-03-20 液晶表示装置

Publications (1)

Publication Number Publication Date
HK1122875A1 true HK1122875A1 (en) 2009-05-29

Family

ID=39774312

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09100820.7A HK1122875A1 (en) 2007-03-20 2009-01-23 Surface light source which selectively irradiates two linearly polarized light beams in polarized states different from each other and liquid crystal display apparatus using the same

Country Status (6)

Country Link
US (1) US7978285B2 (ko)
JP (1) JP4305539B2 (ko)
KR (1) KR100977115B1 (ko)
CN (1) CN101271227B (ko)
HK (1) HK1122875A1 (ko)
TW (1) TWI376549B (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5034590B2 (ja) * 2007-03-22 2012-09-26 カシオ計算機株式会社 表示装置
US7379130B1 (en) * 2007-10-03 2008-05-27 Vitera Llc LCD with hetero polar light guide
JP5603042B2 (ja) * 2009-09-14 2014-10-08 株式会社有沢製作所 立体画像表示装置
KR101291940B1 (ko) * 2009-09-16 2013-07-31 엘지디스플레이 주식회사 투명 디스플레이 장치
KR101414103B1 (ko) * 2009-12-08 2014-07-02 엘지디스플레이 주식회사 투명 액정표시소자
KR101338997B1 (ko) 2009-12-10 2013-12-09 엘지디스플레이 주식회사 투명표시소자 및 이를 구비한 전자기기
KR101682931B1 (ko) 2010-03-26 2016-12-07 삼성디스플레이 주식회사 멤스 셔터 및 이를 갖는 표시장치
KR101320502B1 (ko) * 2010-04-23 2013-10-23 엘지디스플레이 주식회사 투명표시소자
JP2014044394A (ja) * 2012-03-30 2014-03-13 Nitto Denko Corp 長尺位相差フィルム、円偏光板及び有機ｅｌパネル
CN103376588B (zh) * 2012-04-11 2016-01-27 联想(北京)有限公司 双屏显示装置、双屏显示方法和电子设备
KR101961145B1 (ko) * 2012-10-17 2019-03-26 삼성디스플레이 주식회사 표시 장치
US9392219B2 (en) * 2013-07-31 2016-07-12 Howlett-Packard Development Company, L.P. Display-camera system
CN104216162B (zh) * 2014-08-22 2017-03-29 京东方科技集团股份有限公司 一种液晶显示装置
JP6401994B2 (ja) * 2014-10-08 2018-10-10 エルジー ディスプレイ カンパニー リミテッド 液晶表示装置
JP7459563B2 (ja) * 2020-03-02 2024-04-02 Ｔｏｐｐａｎホールディングス株式会社 空中表示装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3570104B2 (ja) * 1996-08-22 2004-09-29 ソニー株式会社 液晶表示装置
JP4053626B2 (ja) * 1997-03-11 2008-02-27 株式会社エンプラス 面光源装置並びに非対称プリズムシート
US5940149A (en) * 1997-12-11 1999-08-17 Minnesota Mining And Manufacturing Company Planar polarizer for LCD projectors
JPH11352474A (ja) * 1998-06-08 1999-12-24 Sharp Corp 液晶表示装置用バックライト及び液晶表示装置
JP3385530B2 (ja) 1999-07-29 2003-03-10 日本電気株式会社 液晶表示装置およびその駆動方法
US6930737B2 (en) * 2001-01-16 2005-08-16 Visteon Global Technologies, Inc. LED backlighting system
JP4141708B2 (ja) * 2002-03-11 2008-08-27 シャープ株式会社 液晶表示装置及びその駆動方法
JP2006234849A (ja) * 2005-02-21 2006-09-07 Nec Lcd Technologies Ltd 液晶表示装置及び該液晶表示装置に用いられる駆動方法
JP4742300B2 (ja) * 2005-02-25 2011-08-10 カシオ計算機株式会社 表示装置

Also Published As

Publication number Publication date
TW200848878A (en) 2008-12-16
CN101271227B (zh) 2010-12-29
JP2008233549A (ja) 2008-10-02
KR20080085726A (ko) 2008-09-24
CN101271227A (zh) 2008-09-24
US7978285B2 (en) 2011-07-12
TWI376549B (en) 2012-11-11
JP4305539B2 (ja) 2009-07-29
US20080231773A1 (en) 2008-09-25
KR100977115B1 (ko) 2010-08-23

Similar Documents

Publication Publication Date Title
HK1122875A1 (en) Surface light source which selectively irradiates two linearly polarized light beams in polarized states different from each other and liquid crystal display apparatus using the same
HK1105027A1 (en) Surface light source and liquid crystal display apparatus
EP2290414A4 (en) ELLIPTIC LIGHT POLISHING PLATE AND VERTICALLY ORIENTED LIQUID CRYSTAL DISPLAY
TWI318759B (en) Apparatus for driving liquid crystal display device and driving method using the same
GB2474979B (en) Array substrate for fringe field switching mode liquid crystal display device and fringe filed switching mode liquid crystal display device including the same
TWI347456B (en) Polarizer and liquid crystal display using the same
GB2454085B (en) Electrically-driven liquid crystal lens and stereoscopic display device using the same
TWI367348B (en) Electrically-driven liquid crystal lens and stereoscopic display device using the same
GB0611162D0 (en) Liquid crystal display panel and liquid crystal display apparatus having the same
GB2463513B (en) Back light unit and liquid crystal display using the same
GB0707953D0 (en) Plane light source apparatus and prism sheet and liquid crystal display apparatus
EP2058588A4 (en) LIGHT CONTROL UNIT, DEVICE FOR FLAT LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY
TWI347474B (en) Surface light source, backlight unit and liquid crystal display having the same
EP2128687A4 (en) LIGHT SOURCE DEVICE AND RELATED LIQUID CRYSTAL DISPLAY DEVICE
EP1900997A4 (en) DEVICE FOR LIGHTING A LIQUID CRYSTAL PANEL
EP2077465A4 (en) LIQUID CRYSTAL DISPLAY DEVICE
TWI366717B (en) Planar light source device and liquid crystal display apparatus having the same
EP2131099A4 (en) SURFACE LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY
PL383776A1 (pl) Płytka rozpraszacza światła, źródło emitujące światło powierzchniowo i ciekłokrystaliczne urządzenie wyświetlające
EP2116757A4 (en) REAR LIGHTING DEVICE AND THIS USING LIQUID CRYSTAL DISPLAY DEVICE
EP2131231A4 (en) LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS
EP2015286A4 (en) LIQUID CRYSTAL DISPLAY APPARATUS AND METHOD FOR CONTROLLING THE SAME
EP2413181A4 (en) TFT SUBSTRATE AND LIQUID CRYSTAL DISPLAY APPARATUS USING THE SAME
EP2351959A4 (en) Planar light source device and liquid crystal display device
EP2337430A4 (en) LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE THEREFOR

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20220316