CN106997110B - 液晶显示器和多画面显示器 - Google Patents

液晶显示器和多画面显示器 Download PDF

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Publication number
CN106997110B
CN106997110B CN201610878155.4A CN201610878155A CN106997110B CN 106997110 B CN106997110 B CN 106997110B CN 201610878155 A CN201610878155 A CN 201610878155A CN 106997110 B CN106997110 B CN 106997110B
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CN
China
Prior art keywords
liquid crystal
crystal display
reflection sheet
detection device
brightness
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.)
Expired - Fee Related
Application number
CN201610878155.4A
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English (en)
Chinese (zh)
Other versions
CN106997110A (zh
Inventor
今西佑太
谷添秀树
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN106997110A publication Critical patent/CN106997110A/zh
Application granted granted Critical
Publication of CN106997110B publication Critical patent/CN106997110B/zh
Expired - Fee Related legal-status Critical Current
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    • 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
    • G02F1/13318—Circuits comprising a 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
    • 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
    • G02F1/1306—Details
    • G02F1/1309—Repairing; Testing
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • 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
    • G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays
    • 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
    • G02F2203/09—Function characteristic transflective

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Planar Illumination Modules (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Transforming Electric Information Into Light Information (AREA)
CN201610878155.4A 2015-10-09 2016-10-08 液晶显示器和多画面显示器 Expired - Fee Related CN106997110B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015200728A JP6598626B2 (ja) 2015-10-09 2015-10-09 液晶ディスプレイおよびマルチ画面ディスプレイ
JP2015-200728 2015-10-09

Publications (2)

Publication Number Publication Date
CN106997110A CN106997110A (zh) 2017-08-01
CN106997110B true CN106997110B (zh) 2020-09-25

Family

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CN201610878155.4A Expired - Fee Related CN106997110B (zh) 2015-10-09 2016-10-08 液晶显示器和多画面显示器

Country Status (4)

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US (1) US9766485B2 (enExample)
JP (1) JP6598626B2 (enExample)
CN (1) CN106997110B (enExample)
RU (1) RU2640651C1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019045723A (ja) * 2017-09-04 2019-03-22 日本精機株式会社 表示装置
CN110415617B (zh) * 2019-07-25 2021-02-26 深圳市华星光电半导体显示技术有限公司 一种灯源组件及显示面板
CN111312100A (zh) * 2019-12-11 2020-06-19 珠海市益写科技有限公司 大型液晶显示屏及调光控制方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3171808B2 (ja) 1997-02-03 2001-06-04 株式会社ナナオ 液晶表示装置の光検出器
JP4186522B2 (ja) * 2002-06-25 2008-11-26 セイコーエプソン株式会社 表示装置とその調整方法
KR100943267B1 (ko) * 2003-10-11 2010-02-23 삼성전자주식회사 백라이트 어셈블리
US7901102B2 (en) * 2004-10-22 2011-03-08 Samsung Electronics Co., Ltd. Backlight unit and liquid crystal display apparatus employing the same
US20060108519A1 (en) * 2004-11-24 2006-05-25 Au Optronics Corporation Enhanced flat-panel display photosensing apparatus and method thereof
US20060285311A1 (en) * 2005-06-19 2006-12-21 Chih-Li Chang Light-emitting device, backlight module, and liquid crystal display using the same
JP3872810B1 (ja) * 2005-08-12 2007-01-24 シャープ株式会社 光源制御装置、照明装置及び液晶表示装置
KR20080032344A (ko) * 2006-10-09 2008-04-15 삼성전자주식회사 백라이트 어셈블리 및 이를 포함하는 액정 표시 장치
US20080122994A1 (en) * 2006-11-28 2008-05-29 Honeywell International Inc. LCD based communicator system
KR101341123B1 (ko) * 2006-12-15 2013-12-13 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치
JP2009014901A (ja) * 2007-07-03 2009-01-22 Totoku Electric Co Ltd 液晶表示ユニット
JP4769969B2 (ja) * 2007-08-30 2011-09-07 Ｎｅｃディスプレイソリューションズ株式会社 画像表示装置
JP4175431B1 (ja) * 2007-09-21 2008-11-05 ソニー株式会社 光学素子包装体、バックライトおよび液晶表示装置
KR101532571B1 (ko) * 2008-04-21 2015-07-09 삼성디스플레이 주식회사 액정 표시 장치
WO2010109958A1 (ja) * 2009-03-23 2010-09-30 シャープ株式会社 液晶表示装置
JP2011044379A (ja) * 2009-08-24 2011-03-03 Harison Toshiba Lighting Corp バックライト装置
CN102472457A (zh) * 2009-09-04 2012-05-23 夏普株式会社 电子组件、照明装置、显示装置
CN102052600B (zh) * 2009-11-10 2013-04-24 清华大学 背光模组及液晶显示器
WO2011099343A1 (en) * 2010-02-12 2011-08-18 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and driving method thereof
US20130002963A1 (en) * 2010-03-25 2013-01-03 Masashi Yokota Display device and television receiver
US20160109649A1 (en) * 2013-05-31 2016-04-21 Nec Display Solutions, Ltd. Display device and method for detecting backlight light from same

Also Published As

Publication number Publication date
US20170102570A1 (en) 2017-04-13
US9766485B2 (en) 2017-09-19
RU2640651C1 (ru) 2018-01-10
JP2017072774A (ja) 2017-04-13
CN106997110A (zh) 2017-08-01
JP6598626B2 (ja) 2019-10-30

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Granted publication date: 20200925

Termination date: 20211008