TWI230366B - Display apparatus and driving device for displaying - Google Patents

Display apparatus and driving device for displaying Download PDF

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Publication number
TWI230366B
TWI230366B TW091112188A TW91112188A TWI230366B TW I230366 B TWI230366 B TW I230366B TW 091112188 A TW091112188 A TW 091112188A TW 91112188 A TW91112188 A TW 91112188A TW I230366 B TWI230366 B TW I230366B
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Taiwan
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gray
voltage
amplitude
scale
circuit
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TW091112188A
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Yasuyuki Kudo
Akihito Akai
Kazuo Okado
Kazunari Kurokawa
Hiromi Aizawa
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Hitachi Ltd
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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
    • G09G3/36—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
    • G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • 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
    • G09G3/3614—Control of polarity reversal in general
    • 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
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
    • 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
    • G09G3/3696—Generation of voltages supplied to electrode drivers
    • 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
    • G09G2310/0264—Details of driving circuits
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • 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
    • G09G2310/0264—Details of driving circuits
    • G09G2310/0291—Details of output amplifiers or buffers arranged for use in a driving circuit
    • 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
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0606—Manual adjustment
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Description

A8 B8 C8 D8 經濟部智慧財產局員工消費合作社印製 1230366 六、申請專利範圍 路群； 從上述電阻分割電路群被事聯連接到上述基準電 壓側，而根據上述振幅調整暫存器的設定值而改變電 阻設定值的振幅調整用可變電阻；及 5 被串聯連接到上述電阻分割電路群中，而根據上 述斜率調整暫存器的設定值來改變電阻設定值的斜率 調整用可變電阻。 3. 一種用於顯示之驅動電路，其主要係針對一用於將 與顯示資料對應的灰階電壓輸出到顯示面板之顯示 10 用驅動電路，其包含： 從基準電壓來產生複數個位準之上述灰階電壓的 灰階電壓產生電路； 可設定上述灰階電壓相對於灰階編號之特性曲線 的振幅的振幅調整暫存器； 15 可設定上述特性曲線之斜率的斜率調整暫存器；其中 上述灰階電壓產生電路包含有： 用於對上述基準電壓實施電阻分割的電阻分割電 路群； 從上述電阻分割電路群被串聯連接到上述基準電 20 壓側，而根據上述振幅調整暫存器的設定值而改變電 阻設定值的振幅調整用可變電阻；及 被串聯連接到上述電阻分割電路群中，而根據上 述斜率調整暫存器的設定值來改變電阻設定值的斜率 調整用可變電阻。 -38- L:\menu\Pending-91\911 87-範圍-接 _doc 本紙張尺度適用中國國家標準(CNS)A4規格（210 X 297公釐）
A8 B8 C8 D8 經濟部智慧財產局員工消費合作社印製 1230366 六、申請專利範圍 4. 如申請專利範圍第1項之用於顯示之驅動電路，其中 上述灰階電壓產生電路包含有： 用於對上述基準電壓實施電阻分割的電阻分割電 5 路群；及 用於根據上述微調整暫存器的設定值來選擇上述 電阻分割電路群之電阻分割位置的選擇電路。 5. 一種用於顯示之驅動電路，其主要係針對一用於將 與顯示資料對應的灰階電壓輸出到顯示面板之顯示 10 用驅動電路，其包含： 從基準電壓來產生複數個位準之上述灰階電壓的 灰階電壓產生電路； 可設定上述灰階電壓相對於灰階編號之特性曲線 的振幅的振幅調整暫存裔， 15 可設定上述特性曲線之斜率的斜率調整暫存器；上述 振幅調整暫存器的設定值與上述斜率調整暫存器的設 定值的至少一者可根據上述灰階電壓的極性個別地設 定。 6. 一種用於顯示之驅動電路，其主要係針對一用於將 20 與顯示資料對應的灰階電壓輸出到顯示面板之顯示 用驅動電路，其包含： 從基準電壓來產生複數個位準之上述灰階電壓的 灰階電壓產生電路； 可設定上述灰階電壓相對於灰階編號之特性曲線 -39 - L:\menu\Pending-91\91187-範圍-接.doc 本紙張尺度適用中國國家標準(CNS)A4規格（210x297公釐）
1230366 六 申請專利範 圍 10 15 8. 20 的振幅的振幅調整暫存器； 枳π可叹疋上述特性曲線之斜率的斜率調整暫存哭.上if 存:的設定值與上述斜率調整二ί 至少一者可根據RGB個別地設定。 .:種用於顯示之驅動電路，其主要係針對—用於將 用=電=斗對其應包的含灰階電壓輸出到顯示面板之顯示 灰階產生複數個位準之上述灰階電壓的 可設定上述灰階電麼相對於灰階編號之特性曲線 的振幅的·難暫存器； 冊曲線 、、可設定上述雜曲線之斜率的斜率雖暫存器；其中 上述顯示面板包含用於照射顯示畫素的背照光，^上 述振幅調整暫存器的設定值與上述斜率調整暫存器之 的至少一者可根據上述背照光的發光狀態個別 一種用於顯示之驅動電路，其主要係針對一用於將與 顯示資料呈對應之灰階電壓輸出到顯示面板的顯示用、 驅動電路，其包含： 用於將基準電壓作電阻分割成多個位準的上述灰 階電壓的電阻分割電路群； 從上述電阻分割電路群被串聯連接到上述基準電 壓側與接地側之至少其令一者的第i可變電阻； 被串聯連接到上述電阻分割電路群中的第2可變 4 η 40- L—Pending.9U9ll87.範圍接加 本紙張尺度適用中國國家標準(CNS)A4規格（21〇 χ 297公釐） 1230366 A8 B8 C8
電阻； 用於設定上述第i可變電阻之電阻值的第 1暫存 用於設定上述第2可變電阻之電阻值的第 2暫存 9. 一種用於顯示顯示資料之顯示裝置，其包含： 將多個晝素配置成矩陣狀的顯示面板； 用於將與上述顯示資料對應的灰階電壓施加在上 述顯示面板的信號線驅動電路，及； 依據行(line)單位來選擇應施加上述灰階電壓的掃 描線驅動電路， 而上述彳5 $虎線驅動電路包含有· 從基準電壓產生多個位準之上述灰階電壓的灰階 電壓產生電路； 15 從上述多個位準的灰階電壓中選出與上述顯示資 料對應之上述灰階電壓的解碼電路； 可以設定上述灰階電壓相對於灰階編號之特性曲 線之振幅的振幅調整暫存器； 5 可以設定上述特性曲線之斜率的斜率調整暫存器; t 20 及 慧 財 局 員 消 費 合 作 社 印 製 用於微調整上述特性曲線之振幅以及斜率的微調 整暫存器。 種用於顯示顯示資料之顯示裝置，其包含： 將多個晝素配置成矩陣狀的顯示面板；
L:\menu\Pending-91\91187-範圍-接.doc 1230366 A8 B8 C8 D8 /、、申請專利範圍 用於將與上述顯示資料對應的灰階電壓施加在上 述顯示面板的信號線驅動電路，及； 依據行(line)單位來選擇應施加上述灰階電壓的掃 描線驅動電路， 5 而上述信號線驅動電路包含有·· 從基準電壓產生多個位準之上述灰階電壓的灰階 電壓產生電路； 從上述多個位準的灰階電壓中選出與上述顯示資 料對應之上述灰階電壓的解碼電路； 10 可以設定上述灰階電壓相對於灰階編號之特性曲 線之振幅的振幅調整暫存器； 可以設定上述特性曲線之斜率的斜率調整暫存器；其中 上述灰階電壓產生電路包含有： 用於對上述基準電壓實施電阻分割的電阻分割電 15 路群； 從上述電阻分割電路群被串聯連接到上述基準電 壓側，而根據上述振幅調整暫存器的設定值可改變電 阻設定值的振幅調整用可變電阻；及 經濟部智慧財產局員工消費合作社印製 被串聯連接到上述電阻分割電路群中，而根據上 20 述斜率調整暫存器的設定值可改變電阻設定值的斜率 調整用可變電阻。 11· 一種用於顯示顯示資料之顯示裝置，其包含·· 將多個畫素配置成矩陣狀的顯示面板； 用於將與上述顯示資料對應的灰階電壓施加在上 -42- L:\menu\Pending-91\911 87-範圍-接.doc 本紙張尺度適用中國國家標準(CNS)A4規格（210 X 297公釐） A8 B8 C8 D8 經濟部智慧財產局員工消費合作社印製 1230366 六、申請專利範圍 述顯示面板的信號線驅動電路，及； 依據行(line)單位來選擇應施加上述灰階電壓的掃 描線驅動電路， 而上述信號線驅動電路包含有： 5 從基準電壓產生多個位準之上述灰階電壓的灰階 電壓產生電路； 從上述多個位準的灰階電壓中選出與上述顯示資 料對應之上述灰階電壓的解碼電路； 可以設定上述灰階電壓相對於灰階編號之特性曲 10 線之振幅的振幅調整暫存器； 可以設定上述特性曲線之斜率的斜率調整暫存器；其申 上述灰階電壓產生電路包含有： 用於對上述基準電壓實施電阻分割的電阻分割電 路群； 15 從上述電阻分割電路群被串聯連接到接地側，而 根據上述振幅調整暫存器的設定值來改變電阻設定值 的振幅調整用可變電阻；及 被串聯連接到上述電阻分割電路群中，而根據上 述斜率調整暫存器的設定值來改變電阻設定值的斜率 20 調整用可變電阻。 12.如申請專利範圍第9項之顯示裝置，其中上述灰階電 壓產生電路包含有： 用於對上述基準電壓實施電阻分割的電阻分割電 路群；及 • 43 - L:\menu\Pending-91\91187-範圍-接 d〇c 本紙張尺度適用中國國家標準(CNS)A4規格（210x297公愛）
1230366 於根據上述微調整暫存器的設定值來選擇上述 電阻分割電路群之電阻分割位置的選擇電路。 B·—種用於顯示顯示資料之顯示裝置，其包含： 將多個畫素配置成矩陣狀的顯示面板； 5 用於將與上述顯示資料對應的灰階電壓施加在上 述顯示面板的信號線驅動電路，及； 依據行(line)單位來選擇應施加上述灰階電壓的掃 描線驅動電路， 而上述信號線驅動電路包含有·· 1〇 ⑼基準電壓產生多個位準之上述灰階電壓的灰階 電壓產生電路； 從上述多個位準的灰階電壓中選出與上述顯示資 料對應之上述灰階電壓的解碼電路； 、 可以設定上述灰階電壓相對於灰階編號之特性曲 15 線之振幅的振幅調整暫存器； 可以設定上述特性曲線之斜率的斜率調整暫存器；上述 振幅調整暫存器的設定值與上述斜率調整暫存器的設 定值的至少一者可根據上述灰階電壓的極性個別地設 定。 20 14. —種用於顯示顯示資料之顯示裝置，其包含： 將多個晝素配置成矩陣狀的顯示面板； 用於將與上述顯示資料對應的灰階電壓施加在上 述顯示面板的信號線驅動電路，及； 依據行(line)單位來選擇應施加上述灰階電壓的掃 -44 - L:\menu\Pending-91\91 187-範圍·接 d〇c 本紙張尺度適用中國國家標準(CNS)A4規格（210 X 297公釐）
經濟部智慧財產局員工消費合作社印製 1230366 /、、申睛專利範圍 A8 B8 C8 D8 5
ο IX
5 IX 經濟部智慧財產局員工消費合作社印製 20 描線驅動電路， 而上述信號線驅動電路包含有： 從基準電壓產生多個位準之上述灰階電壓的灰階 電壓產生電路； 從上述多個位準的灰階電壓中選出與上述顯示資 料對應之上述灰階電壓的解碼電路； 可以設定上述灰階電壓相對於灰階編號之特性曲 線之振幅的振幅調整暫存器； 可以设定上述特性曲線之斜率的斜率調整暫存器；上述振 幅調整暫存器的設定值與上述斜率調整暫存器的毁 定值的至少一者可根據RGB個別地設定。 15· —種用於顯示顯示資料之顯示裝置，其包含： 將多個畫素配置成矩陣狀的顯示面板； 用於將與上述顯示資料對應的灰階電壓施加在上 述顯示面板的信號線驅動電路，及； 依據行(line)單位來選擇應施加上述灰階電壓的掃 描線驅動電路， 而上述信號線驅動電路包含有： 從基準電壓產生多個位準之上述灰階電壓的灰階 電壓產生電路； _ 從上述多個位準的灰階電壓中選出與上述顯示資 料對應之上述灰階電壓的解碼電路； 、 可以設定上述灰階電壓相對於灰階編號之特丨生_ 線之振幅的振幅調整暫存器； -45 - L:\menu\Pending-91\91187-範圍 _ 、接 本紙張尺度適用中國國家標準(CNS)A4規格（210 X297公釐）
1230366 Α8 Β8 C8 D8 經濟部智慧財產局員工消費合作社印製 46 六、申請專利範圍 可以設疋上述特性曲線之斜率的斜率調整暫存器；其中 上述顯示面板包含用於照射顯示畫素的背面光，而上 述振幅调整暫存為的設定值與上述斜率調整暫存哭之 設定值之至少一者可根據上述背面光的發光狀態個別 地設定。 16· —種用於顯示顯示資料之顯示裝置，其包含： 用於將多個畫素配置成矩陣狀的顯示面板； 將與上述顯示資料對應的灰階電壓施加到上述顯 示面板的信號線驅動電路；及 依據行(line)單位來選擇應施加上述灰階電壓的掃 描線驅動電路， 上述信號線驅動電路具備有： 將基準電壓實施電阻分割成多個位準的上述灰階 電壓的電阻分割電路群； 從上述多個位準的灰階電壓選擇與上述顯示資料 呈對應之上述灰階電壓的解碼電路； 從上述電阻分割電路群被串聯連接到上述基準電 壓側與接地側之至少其中一者的第丨可變電阻； 被串聯連接到上述電阻分割電路群中的第2可變 電阻； 用於設定上述第1可變電阻之電阻值的第1暫存 ϋ ;及 用於設定上述第2可變電阻之電阻值的第2暫存 器。 L:\menu\Pending-91\91187-範圍.接·doc 本紙張尺度適財國國家標準(CNS)A4規格⑵G χ 297公幻
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CN113672023A (zh) * 2021-08-17 2021-11-19 晟合微电子(肇庆)有限公司 伽马电压生成电路及显示设备
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US20020186230A1 (en) 2002-12-12
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US7511693B2 (en) 2009-03-31
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US8633881B2 (en) 2014-01-21
US20050200584A1 (en) 2005-09-15

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