TWI281081B - Electrophoretic display panel - Google Patents
Electrophoretic display panel Download PDFInfo
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- TWI281081B TWI281081B TW092113719A TW92113719A TWI281081B TW I281081 B TWI281081 B TW I281081B TW 092113719 A TW092113719 A TW 092113719A TW 92113719 A TW92113719 A TW 92113719A TW I281081 B TWI281081 B TW I281081B
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- 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
- G09G3/3433—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 light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
- G09G3/344—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 light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
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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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
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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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/1685—Operation of cells; Circuit arrangements affecting the entire cell
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- 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
- G09G3/2007—Display of intermediate tones
- G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
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- 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
- G09G2310/0224—Details of interlacing
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- 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
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- 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
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- 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
- G09G2320/04—Maintaining the quality of display appearance
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Molecular Biology (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
1281081 玖、發明說明: 【發明所屬之技術領域】 本發明係相關於一種用以顯示圖像之電泳顯示面板。 【先前技術】 在開頭段落中所提到該類型之電泳顯示面板之實施例係 描述在尚未預先發行之歐洲專利申請案02078456.7 (PHNL020754) 〇 在遠所描述之電泳顯示面板中,在該圖像之顯示期間’ 該複數個像素之每個像素具有由在該等電極間之充電粒子 位置來決定的外觀。因為該等粒子由於該電位差而在該液 體中遷移,該等粒子之位置取決於該電位差。該等粒子在 該液體中之遷移也取決於該液體之黏滯性。因為該液體之 黏滯性係由該媒介溫度來決定,所以該等粒子之位置不僅 取決於該電位差,也取決於該媒介溫度。該顯示面板包含 加熱裝置,因而能夠具有一事先決定高於週遭溫度之實質 上不變的媒介溫度。結果,該顯示面板在該事先決定媒介 溫度能夠具有實質上可重製外觀之像素。該加熱裝置將該 媒介加熱到該事先決定的媒介溫度,其可能是相當高功率 消耗,例如,假如該事先決定的媒介溫度實質上係比該週 遭:度還要高。該事先決定媒介溫度係被挑選相當高的溫 度以能夠在相當短的時間内改變該等像素的外觀。 該描述顯示面板之缺點是該面板要求相當高的能量以隨 即獲得具有與該週遭溫度無關而實質上可重製之外觀的像 素0 85489 1281081 【發明内容】 本發明之一目的係要提供一種在該開頭段落中所提到之 類型的顯示面I,其能夠具有實質上可重製外觀之像素, 其要求相當少能量係與該週遭溫度無關。 為了達到該目的,根據本發明之顯示面板係規定於申社 專利範圍第1項。 μ 本發明係基於該了解’就是假如該等像素之外觀對於兮 媒介溫度之依賴性係針對該等電位差做補償,則該等像素 之外觀實質上係為可重製。該依賴性係利㈣等電位差做 補償而無須加熱裝置調節該媒介溫度。因為相當低的功率 消率電子電路能夠用以執行該補償,該等像素之外觀實質 上係為可重製且要灰知A , , u 受I相當少的能量與該週遭溫度無關。因 為該驅動裝置係能夠拄必忠A、、 、t 月匕W接收來自孩溫度探測器,指示該媒介 溫度之所量測溫度及能& 、 匕夠依據1¾量測溫度來控制該等電位 差’所以該顯示面板係能夠具有實質上為可重製之外觀的像 素其要求相田)的能量而與該週遭溫度無關。這是與在尚 未預先發行的歐洲專利* &也μ 千⑺ _ 凊案 02078456.7(PHNL020754)中 所描述之顯不面板大不如π ^相冋,假如該事先決定的媒介溫度 係保持在一實質上比該调、翁 、 > ^ ^ ▲度更高位準,由於該相當高 的功率消耗加熱裝置,兮祐—^ - 点顯不面板要求相當高能量以具有 實質上為可重製外觀的# 3像素。再者,在高於該事先決定媒 介溫度之週遭溫度時,今决A一 _ ^W技蟄的顯示面板並沒有具有 實質上為可重製外觀之#| 1冢素’因為該等加熱裝置係無法將 該媒介冷卻到該事先決定的媒介溫度。 85489 1281081 在一 她例中,1¾等驅動裝置能夠依據該量測溫度來控制 該期間。假如該媒介能夠在兩種外觀間相當快速地改變,則 ο亥等’、月間係相當短,假如該媒介只能夠在兩種外觀間相當緩 ^地改變,則該等期間係相當長,例如,因為在6 〇 t之媒介 月匕夠比在2 0 C更為快速地在兩種外觀間改變,所以高溫之 期間係比在低溫之期間更短。 在該上個實施例之修正中,該等驅動裝置能夠控制每個 期間以包含一相等時間週期之時距的數目,該數目係由要 被顯示之圖像及該量測溫度所決定’而該時間週期係不變 的。假如該量測溫度已經改變的話,則只有該等時距之數 目具有不同的數值。 在该上個貫施例之其他修正中,該等驅動裝置能夠控制 每個期間以包含一相等時間週期之時距的數目,該數目係 由要被顯示之圖像來決定,而該時間週期係由該量測溫度 所决足。假如遠f測溫度已經改變的話,則只有該時間週 期具有不同的數值。 在其他實施例中,該等驅動裝置能夠依據該量測溫度來 控制该等位準。假如該媒介能夠快速地在兩種外觀間改變 ’則違等位率係相當低’假如該媒介只能夠在兩種外觀間 相當緩慢地改變,則該等位準係相當長。例如,因為具有 60 C /皿度之媒介此夠比具有2〇 C溫度之媒介更為快速地 在兩種外觀間改變,所以高溫之位準係比在低溫之位準更 短。 假如該第一基材包含該等第一電極,及該第二基材包含 85489 1281081 該等第二電極,則相較於具有該等基材之一係具有兮第一 及第二電極之顯示面板,該等像素之外觀能夠相當容易地 改變。。 【實施方式】 圖1及2說明該顯示面板1,其具有一第二基材9及複數個 像素2。該等像素2係沿著實質上為二維結構之直線排列。 該等像素2之其他配置也係可能,例如蜂巢狀配置。該顯示 面板1具有一第一基材8及一相對的第二基材9。一電泳媒介 5係存在於該等基材8, 9之間。該電泳媒介5包含例如在白色 液體中之帶負電的黑色粒子6。電泳媒介就其本身係已知於 US 5,96^804、US 6,120,839及仍 6,13〇,774,及能夠例如從 E Ink公司取得。一第一及一第二電極3, 4係與每個像素二有 關。該等電極3, 4能夠接收一電位差。在圖2中,每個像素2 <第一基材8具有一第一電極3,而每個像素2之第二基材9 “有第一私極4。當该等充電粒子6由於一電位差(具有u 伏特的位準)而位在靠近該第一電極3時,該像素2具有一第 :外觀,即白色。當該等充電粒子6由於一相反極性之電位 差(具有-15伏特的位準)而位在靠近該第二電極4時,該像素 2具有一第二外觀,即黑色。一溫度探測器丨ι(例如存在於該 第一基材8之表面上面對該媒介)能夠量測一指示該媒介溫 度之溫度。再者,該等驅動裝置1〇〇能夠控制用以顯示該圖 像之電位差,以接收來自該溫度探測之量測溫度,及依 據該量測溫度來控制該等電位差。 圖3就明泫第貝訑例之電位差之量測溫度與該期間之 85489 1281081 關係。該等電位差之位準係為15伏特。在該等電極3,4間之 距離大約為8 0微米。該電泳媒介5層具有厚度約為5 〇微米。 再者,一層具有厚度約為30微米之聚合物結合物材料係存 在於該等電極3, 4間。該線條v係相關於該像素從黑色變成 白色之外觀的變化,標示以變換線B-W,及該線條,b,係相關 於該像素從暗灰色變成亮灰色之外觀的變化,標示以變換 線DG-LG。該等期間係隨著量測溫度的增加而減少。在該 第一實施例中,該等驅動裝置100能夠依據根據圖3之量測 溫度來控制該等電位差之期間。因此,該等像素之外觀對 於該媒介溫度之依賴性係利用該等電位差來補償,及該顯 示面板1能夠具有實質上可重製外觀之像素2,其要求相當 少此里且與β週遭溫度無關。該量測溫度與該等期間之關 係可以利用一查詢表來具體實現在該等驅動裝置1〇〇内。圖 3說明該變換線Β-W之期間實質上係與該變換線DG-LG之期 間成比例。因此,在該第一實施例之變化中,該等驅動裝 置1〇〇能夠控制每個期間以包含相等時間週期之時距的數 目,該數目係由要被顯示之圖像及該量測溫度來決定,而 該時間週期係不變的。在該第一實施例之其他變化中,該 等驅動裝置1 00能夠控制每個期間以包含相等時間週期之 時距的數目,該數目係由要被顯示之圖像來決定,而該時 間週期係由該量測溫度來決定。 圖4說明一第二實施例之電位差之量測溫度與該等位準 間之關係。該等電位差之期間係為200毫秒。在該等電極3,4 間之距離大約為80微米。該電泳媒介5層具有厚度約為5〇微 85489 1281081 米。再者,一層具有厚度約為 传在一 、、、彳放未又聚合物結合物材料 係存在於孩寺電極3, 4間。該 今—、# $係知相關於該變換線B - W。 碌寺位準係隨著量測溫度 ,二、& 曰加而減少。在該第二實施例 平’該等驅動裝置1 Q Q能夠 二、& 农據根據圖4之量測溫度來控制 孩寺電位差之位準。該量測 田 、 里皱度與孩等期間之關係可以利 且珣表來具體貫現在該等驅動裝置1⑽内。 【圖式簡單說明】 本發明之顯示面板之這虺 、 一 一万面及其他万面將會參考該等 圖示進一步說明及描述,其中: / 圖1概略說明孩顯π面板之一第一實施例之前視圖,· 圖2概略說明該圖1中沿著ΙΜΙ之橫斷面; 圖3以圖片方式說明該第一實施例之量測溫度與該期間 之間的關係;及 、圖4以圖片方式說明該一第二實施例之量測溫度與該位 準之間的關係。 在所有邊等圖示中,對應零件係利用該等相同參考數字 來參考。 【圖式代表符號說明】 1 電泳顯示面板 2 _像素 8, 9 基材 11 溫度探測器 100 ”·動裝置 3, 4 J.TT 包極 85489 -10- 1281081 5 電泳媒介 6 粒子
85489 -11 -
Claims (1)
1281081 拾、申请專利範圍· 1. 一種用以顯示圖像之電泳顯示面板,其包含: - 弟一及一第一相對電極; -私永媒介,其位在該等基材之間,該電泳媒介包 含在一液體中之充電粒子; -複數個像素; _ 一第一及一第二電極,其係與各像素有關,用以接 收一具有一期間及一位準之電位声· 其中 驅動裝置,能夠控制用以顯示該圖像之電位差;及 -溫度探測器,能夠量測指示—媒介溫度之溫度, 該等驅動裝置尚能夠接收來自該溫度探測器之量測溫度 ,及依據該量測溫度來控制該等電位差。 2. 如申請專利範圍第1項之顯示面板,其特徵為該等驅動裝 置能夠依據該量測溫度來控制該等期間。 3. 如申請專利範圍第2項之顯示面板’其特徵為該等驅動裝 置能夠控制各期間以包含相等時間週期之時距之數目, 該數目係由要被顯示之圖像及該量測溫度來決定,而該 時間週期係不變。 4. 如申 請專利範圍第2項之顯 置能夠—控制各期間以包含相等時間 π亥數目係由要被顯不之圖像決定, 量測溫度決定。 不面板,其特徵為該等驅動裝 週期之時距之數目, 而該時間週期係由該
如申請專利範圍第1項之顯 示面板,其特徵為該等驅動裝 85489 1281081 置能夠依據該量測溫度來控制該等位準。 6.如申請專利範圍第1、2、3、4、或5項之顯示面板,其特 徵為該第一基材包含該等第一電極,及該第二基材包含 該等第二電極。 85489
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EP02077017 | 2002-05-24 | ||
EP02078823 | 2002-09-16 |
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TW200407650A TW200407650A (en) | 2004-05-16 |
TWI281081B true TWI281081B (en) | 2007-05-11 |
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TW092113719A TWI281081B (en) | 2002-05-24 | 2003-05-21 | Electrophoretic display panel |
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US (1) | US7109969B2 (zh) |
EP (1) | EP1512136A1 (zh) |
JP (1) | JP4571491B2 (zh) |
KR (1) | KR20050004206A (zh) |
CN (1) | CN100378790C (zh) |
AU (1) | AU2003230113A1 (zh) |
TW (1) | TWI281081B (zh) |
WO (1) | WO2003100758A1 (zh) |
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TWI382381B (zh) * | 2008-03-06 | 2013-01-11 | Pervasive Display Co Ltd | 非揮發型顯示裝置 |
TWI600926B (zh) * | 2012-07-18 | 2017-10-01 | 皇家飛利浦有限公司 | 自動立體顯示裝置及其控制方法 |
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JP4862310B2 (ja) * | 2005-07-25 | 2012-01-25 | 富士ゼロックス株式会社 | 画像表示装置 |
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CN101201996B (zh) * | 2006-09-27 | 2013-07-17 | Nlt科技股份有限公司 | 使用液体的图像显示设备 |
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2003
- 2003-05-13 JP JP2004508326A patent/JP4571491B2/ja not_active Expired - Fee Related
- 2003-05-13 CN CNB038117452A patent/CN100378790C/zh not_active Expired - Fee Related
- 2003-05-13 US US10/515,464 patent/US7109969B2/en not_active Expired - Lifetime
- 2003-05-13 KR KR10-2004-7018925A patent/KR20050004206A/ko not_active Application Discontinuation
- 2003-05-13 WO PCT/IB2003/001992 patent/WO2003100758A1/en active Application Filing
- 2003-05-13 AU AU2003230113A patent/AU2003230113A1/en not_active Abandoned
- 2003-05-13 EP EP03722956A patent/EP1512136A1/en not_active Ceased
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Cited By (3)
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TWI382381B (zh) * | 2008-03-06 | 2013-01-11 | Pervasive Display Co Ltd | 非揮發型顯示裝置 |
US8115990B2 (en) | 2009-10-13 | 2012-02-14 | Chunghwa Picture Tubes, Ltd. | Display device and pixel structure thereof |
TWI600926B (zh) * | 2012-07-18 | 2017-10-01 | 皇家飛利浦有限公司 | 自動立體顯示裝置及其控制方法 |
Also Published As
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TW200407650A (en) | 2004-05-16 |
US20050162378A1 (en) | 2005-07-28 |
CN1656531A (zh) | 2005-08-17 |
AU2003230113A1 (en) | 2003-12-12 |
EP1512136A1 (en) | 2005-03-09 |
JP2005527001A (ja) | 2005-09-08 |
US7109969B2 (en) | 2006-09-19 |
WO2003100758A1 (en) | 2003-12-04 |
JP4571491B2 (ja) | 2010-10-27 |
CN100378790C (zh) | 2008-04-02 |
KR20050004206A (ko) | 2005-01-12 |
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