TW564394B - Liquid crystal display apparatus using homogeneously aligned liquid crystal and drive method therefor - Google Patents

Liquid crystal display apparatus using homogeneously aligned liquid crystal and drive method therefor Download PDF

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TW564394B
TW564394B TW091122117A TW91122117A TW564394B TW 564394 B TW564394 B TW 564394B TW 091122117 A TW091122117 A TW 091122117A TW 91122117 A TW91122117 A TW 91122117A TW 564394 B TW564394 B TW 564394B
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liquid crystal
crystal display
display element
voltage
display device
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Jiro Takei
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Casio Computer Co Ltd
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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
    • G02F1/137—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
    • G02F1/139—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 based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1393—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 based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-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
    • 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
    • G09G3/36—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
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • 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
    • G02F1/133621—Illuminating devices providing coloured light
    • G02F1/133622—Colour sequential illumination
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133738—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homogeneous alignment
    • 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
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0235—Field-sequential colour display
    • 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
    • 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
    • G09G2320/0252—Improving the response speed
    • 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

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Description

六、申請專利範圍 第1基板，形成有：多個圖素電極，被排列成爲矩陣 狀；主動元件，分別連接到該多個圖素電極之每一個； 閘極線，用來控制該等之主動元件；和資料線，經由該 主動元件用來將與欲顯示之圖像資料對應之資料.信號供 給到該各個圖素電極； 第2基板，被配置成與該第1基板面對，形成有至少 爲1個之面對電極，使該多個圖素電極和該面對電極成 爲互相面對；和 排列成未被扭轉之單色配向之液晶層，存在於面對之 該圖素電極和該面對電極之間，當該電極間未被施加電 場時，使液晶分子之分子長軸在一個方向排齊； 驅動裝置，在該液晶顯示元件之互相面對之電極間， 當施加重設電壓使液晶分子被配向成爲對該基板實質上 成爲垂直之後，施加與構成欲顯示之彩色圖像之多個單 一色圖像資料中之1個色之圖像對應之電壓，用來在該 液晶顯示元件順序的顯示該多個單一色之圖像；和 照明裝置，具備有光源分別用來發出構成欲顯示之彩 色圖像之多個單一色之光，利用該驅動裝置，使與該液 晶顯示元件所顯示之1個之圖像對應之單一色之光，依 照該液晶顯示元件所顯示之色之圖像，順序的發光，用 來照射該液晶顯示元件。 8 ·如申請專利範圍第7項之液晶顯示裝置，其中該驅動裝 置具備有控制裝置，用來在該液晶顯示元件之面對之電 564394
六、申請專利範圍 極間，施加作爲重設電壓之表示與圖像資料對應之多個 色調之電壓中之最高電壓。 9 .如申請專利範圍第7項之液晶顯示裝置，其中該驅動裝 置具備有控制裝置，在對液晶顯示元件之全部之圖素電 極施加重設電壓之後，將該多個色之圖像資料之1個， 順序的施加到該圖素電極。 1 〇 .如申請專利範圍第7項之液晶顯示裝置，其中該照明 裝置具備有控制裝置，利用該驅動裝置對液晶顯示元件 之各個圖素電極施加重設電壓，然後施加與該1個色之 圖像對應之電壓之後，等待經過預定之液晶分子之回應 時間，發出與該液晶顯示元件所顯示之色之圖像對應之 單一色之光，使其照射在該液晶顯示元件。 1 1 .如申請專利範圍第7項之液晶顯示裝置，其中 該液晶顯不兀件是正常白型之液晶顯示元件，具備一 對之偏極光板被配置成爲包夾該一對之基板，當未在面 對之電極間施加電壓時，使光透過，當在面對之電極間 施加電壓時，使光之透過率降低；和 該驅動裝置具備有控制裝置，用來在該液晶顯示元件 之面對之電極間，施加作爲重設電壓之電壓，使該液晶 顯示元件實質上顯示黑。 1 2 ·如申請專利範圍第1 1項之液晶顯示裝置，其中該照明 裝置具備有控制裝置，利用該驅動裝置對液晶顯示元件 之各個圖素電極施加重設電壓，然後施加與該1個色之
碑为◊υ .a：___ 六、申請專利範圍 圖像對應之電壓之後，等待經過預定之液晶分子之回應 時間，發出與該液晶顯示元件所顯示之色之圖像對應之 單一色之光，使其照射在該液晶顯示元件。 13. —種液晶顯示裝置之驅動方法，其特徵是： 具備有：液晶顯示元件，具有：一對之基板，被配置 成爲面對；至少爲1個之電極，被配置在該一對基板之 互相面對之面之各個，成爲互相面對之方式；和單色配 向之液晶層，存在於該面對之電極之間，當該電極間未 被施加電場時，液晶分子之分子長軸在一方之方向排齊 ，排列成沒有扭轉；和驅動裝置，用來驅動該液晶顯示 元件；和 該驅動裝置在該液晶顯示元件之互相面對之電極間， 於施加重設電壓使液晶分子成爲預定之排列狀態之後， 在電極間施加與供給自外部之圖像資料對應之電壓。 1 4 .如申請專利範圍第1 3項之驅動方法，其中該重設電壓 是使該液晶分子被配向成對該基板實質上垂直之電壓。 1 5 ·如申請專利範圍第1 3項之驅動方法，其中該圖像資料 由與多個色調對應之多個電壓之一個構成，該重設電壓是 與圖像資料對應之表示多個色調之電壓中之最高電壓。 1 6 ·如申請專利範圍第1 3項之驅動方法，其中 該液晶顯示元件是正常白型之液晶顯示元件，具備有 被配置成爲包夾該一對之基板之一對偏極光板，當在面 對之電極間未施加有電壓時，使光透過，當在面對之電 564394
六、申請專利範圍 極間施加有電壓時，使光之透過率降低；和 該重設電壓是該液晶顯示元件實質上顯示黑之電壓。 1 7 .如申請專利範圍第1 3項之驅動方法，其中 更具備有照明裝置，選擇性的順序發出構成欲顯示之 彩色圖像之多個單一色之； 該驅動裝置在該液晶顯示元件之互相面對之電極間， 施加有電壓時使液晶分子被配向成爲對該基板實質上形 成垂直，然後施加與構成欲顯示彩色圖像之多個單一色 之圖像資料中之1個色之圖像對應之電壓，用來在該液 晶顯示元件順序的顯示該多個單一色之圖像；和 該照明裝置依照該液晶顯示元件所顯示之色之圖像， 順序的發出與該液晶顯示元件顯示過之1個色之圖像對 應之單一色之光，用來照明該液晶顯示元件。 1 8 ·如申請專利範圍第1 7項之驅動方法，其中 該液晶顯示元件是正常白型之液晶顯示元件，具備有 被配置成爲包夾該一對之基板之一對偏極光板，當在面 對之電極間未施加有電壓時，使光透過，當在面對之電 極間施加有電壓時，使光之透過率降低；和 該重設電壓是該液晶顯示元件實質上顯示黑之電壓。 1 9 ·如申請專利範圍第1 7項之驅動方法，其中該重設電壓 一起施加到液晶顯示元件之所有之圖素，然後，將該多 個色之圖像資料順序的施加到圖素電極。 20 ·如申請專利範圍第1 7項之驅動方法，其中該照明裝置 564394
六、申請專利範圍 利用該驅動裝置對液晶顯示元件之各個圖像電極施加重 設電壓，然後施加與該1個色之圖像對應之電壓之後， 等待經過預定之液晶分子之回應時間，在該照明裝置發 出與該液晶顯示元件之顯示色之圖像對應之單一色之光 ，使其照射在該液晶顯示元件。
TW091122117A 2001-09-27 2002-09-26 Liquid crystal display apparatus using homogeneously aligned liquid crystal and drive method therefor TW564394B (en)

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JP2001298238A JP3804502B2 (ja) 2001-09-27 2001-09-27 液晶表示装置の駆動方法

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US20030098836A1 (en) 2003-05-29
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US6992650B2 (en) 2006-01-31
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