DE3851927D1 - Flüssigkristall-Anzeigegerät. - Google Patents
Flüssigkristall-Anzeigegerät.Info
- Publication number
- DE3851927D1 DE3851927D1 DE3851927T DE3851927T DE3851927D1 DE 3851927 D1 DE3851927 D1 DE 3851927D1 DE 3851927 T DE3851927 T DE 3851927T DE 3851927 T DE3851927 T DE 3851927T DE 3851927 D1 DE3851927 D1 DE 3851927D1
- Authority
- DE
- Germany
- Prior art keywords
- liquid crystal
- display device
- crystal display
- liquid
- display
- 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
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
-
- 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
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3681—Details of drivers for scan electrodes suitable for passive 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
-
- 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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/02—Composition of display devices
- G09G2300/023—Display panel composed of stacked panels
-
- 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
- G09G2320/0209—Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image, e.g. left and right images of a stereoscopic 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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
-
- 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
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/041—Temperature compensation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20215487 | 1987-08-13 | ||
JP2792388 | 1988-02-09 | ||
JP2792288 | 1988-02-09 | ||
JP2792488 | 1988-02-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3851927D1 true DE3851927D1 (de) | 1994-12-01 |
DE3851927T2 DE3851927T2 (de) | 1995-03-02 |
Family
ID=27458791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3851927T Expired - Fee Related DE3851927T2 (de) | 1987-08-13 | 1988-08-12 | Flüssigkristall-Anzeigegerät. |
Country Status (5)
Country | Link |
---|---|
US (2) | US5010326A (de) |
EP (1) | EP0303510B1 (de) |
JP (1) | JP2906057B2 (de) |
KR (1) | KR920009028B1 (de) |
DE (1) | DE3851927T2 (de) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5179371A (en) * | 1987-08-13 | 1993-01-12 | Seiko Epson Corporation | Liquid crystal display device for reducing unevenness of display |
JP4020979B2 (ja) * | 1992-05-14 | 2007-12-12 | セイコーエプソン株式会社 | 液晶表示素子の駆動回路 |
US5202676A (en) * | 1988-08-15 | 1993-04-13 | Seiko Epson Corporation | Circuit for driving a liquid crystal display device and method for driving thereof |
US5159326A (en) * | 1987-08-13 | 1992-10-27 | Seiko Epson Corporation | Circuit for driving a liquid crystal display device |
JPH03210525A (ja) * | 1990-01-16 | 1991-09-13 | Seiko Epson Corp | 液晶パネルの駆動方法 |
US5184118A (en) * | 1987-08-13 | 1993-02-02 | Seiko Epson Corporation | Liquid crystal display apparatus and method of driving same |
US5119085A (en) * | 1987-08-13 | 1992-06-02 | Seiko Epson Corporation | Driving method for a liquid crystal panel |
US5151690A (en) * | 1987-08-13 | 1992-09-29 | Seiko Epson Corporation | Method and apparatus for driving a liquid crystal display panel |
JP2906057B2 (ja) * | 1987-08-13 | 1999-06-14 | セイコーエプソン株式会社 | 液晶表示装置 |
JP2867515B2 (ja) * | 1989-12-19 | 1999-03-08 | セイコーエプソン株式会社 | 液晶装置およびその駆動方法 |
JP3020228B2 (ja) * | 1989-12-07 | 2000-03-15 | セイコーエプソン株式会社 | 液晶表示装置 |
JPH03231286A (ja) * | 1990-02-06 | 1991-10-15 | Seiko Epson Corp | 液晶パネルの駆動方法 |
US5214417A (en) * | 1987-08-13 | 1993-05-25 | Seiko Epson Corporation | Liquid crystal display device |
DE68922197T2 (de) * | 1988-12-23 | 1995-08-10 | Fujitsu Ltd | Methode und Vorrichtung zum Betrieb einer Flüssigkristallanzeige. |
US5289175A (en) * | 1989-04-03 | 1994-02-22 | Canon Kabushiki Kaisha | Method of and apparatus for driving ferroelectric liquid crystal display device |
DE69022891T2 (de) * | 1989-06-15 | 1996-05-15 | Matsushita Electric Ind Co Ltd | Gerät zur Kompensierung von Videosignalen. |
JPH0833714B2 (ja) * | 1989-10-16 | 1996-03-29 | シャープ株式会社 | 表示制御装置 |
JPH03132692A (ja) * | 1989-10-18 | 1991-06-06 | Matsushita Electric Ind Co Ltd | 液晶表示装置の駆動方法及びその駆動回路 |
JPH03249731A (ja) * | 1990-02-28 | 1991-11-07 | Stanley Electric Co Ltd | 液晶カラー表示装置のカラーフィルター形成方法 |
US5583528A (en) * | 1990-07-13 | 1996-12-10 | Citizen Watch Co., Ltd. | Electrooptical display device |
US5828354A (en) * | 1990-07-13 | 1998-10-27 | Citizen Watch Co., Ltd. | Electrooptical display device |
EP0466506B1 (de) * | 1990-07-13 | 1996-05-29 | Citizen Watch Co., Ltd. | Elektrooptisches Anzeigegerät |
US5075596A (en) * | 1990-10-02 | 1991-12-24 | United Technologies Corporation | Electroluminescent display brightness compensation |
US5280280A (en) * | 1991-05-24 | 1994-01-18 | Robert Hotto | DC integrating display driver employing pixel status memories |
JPH0535205A (ja) * | 1991-07-29 | 1993-02-12 | Nec Corp | プラズマデイスプレイの駆動方式 |
US5751265A (en) * | 1991-12-24 | 1998-05-12 | Cirrus Logic, Inc. | Apparatus and method for producing shaded images on display screens |
JP3531164B2 (ja) * | 1992-05-14 | 2004-05-24 | セイコーエプソン株式会社 | 液晶表示装置及びそれを用いた電子機器 |
US5473338A (en) * | 1993-06-16 | 1995-12-05 | In Focus Systems, Inc. | Addressing method and system having minimal crosstalk effects |
US5861869A (en) * | 1992-05-14 | 1999-01-19 | In Focus Systems, Inc. | Gray level addressing for LCDs |
TW225025B (de) * | 1992-10-09 | 1994-06-11 | Tektronix Inc | |
AU6497794A (en) * | 1993-04-05 | 1994-10-24 | Cirrus Logic, Inc. | System for compensating crosstalk in lcds |
EP0622772B1 (de) * | 1993-04-30 | 1998-06-24 | International Business Machines Corporation | Verfahren und Vorrichtung zum Eliminieren des Übersprechens in einer Flüssigkristall-Anzeigeeinrichtung mit aktiver Matrix |
KR100343513B1 (ko) * | 1993-07-29 | 2003-05-27 | 히다찌디바이스엔지니어링 가부시기가이샤 | 액정구동방법과액정표시장치 |
US5440322A (en) * | 1993-11-12 | 1995-08-08 | In Focus Systems, Inc. | Passive matrix display having reduced image-degrading crosstalk effects |
US6075513A (en) * | 1994-03-17 | 2000-06-13 | Cirrus Logic, Inc. | Method and apparatus for automatically maintaining a predetermined image quality in a display system |
CN1073242C (zh) | 1994-06-03 | 2001-10-17 | 精工爱普生株式会社 | 液晶显示装置的取代方法,液晶显示装置,电子器械及驱动电路 |
JP3311201B2 (ja) | 1994-06-08 | 2002-08-05 | キヤノン株式会社 | 画像形成装置 |
US6798394B1 (en) * | 1994-10-07 | 2004-09-28 | Semiconductor Energy Laboratory Co., Ltd. | Active matrix panel |
JP3167882B2 (ja) * | 1995-02-16 | 2001-05-21 | シャープ株式会社 | 液晶表示装置の駆動方法及び駆動装置 |
JPH095706A (ja) * | 1995-06-15 | 1997-01-10 | Sharp Corp | マトリクス電極構造ディスプレイ表示素子駆動装置 |
TW394917B (en) | 1996-04-05 | 2000-06-21 | Matsushita Electric Ind Co Ltd | Driving method of liquid crystal display unit, driving IC and driving circuit |
JPH10111670A (ja) * | 1996-10-04 | 1998-04-28 | Sharp Corp | 液晶表示装置及び液晶表示装置の駆動方法 |
US6046716A (en) * | 1996-12-19 | 2000-04-04 | Colorado Microdisplay, Inc. | Display system having electrode modulation to alter a state of an electro-optic layer |
US6078303A (en) * | 1996-12-19 | 2000-06-20 | Colorado Microdisplay, Inc. | Display system having electrode modulation to alter a state of an electro-optic layer |
US6118425A (en) | 1997-03-19 | 2000-09-12 | Hitachi, Ltd. | Liquid crystal display and driving method therefor |
DE19713637C2 (de) | 1997-04-02 | 1999-02-18 | Max Planck Gesellschaft | Teilchenmanipulierung |
JPH10293564A (ja) * | 1997-04-21 | 1998-11-04 | Toshiba Corp | 表示装置 |
US6222517B1 (en) * | 1997-07-23 | 2001-04-24 | Canon Kabushiki Kaisha | Liquid crystal apparatus |
JPH11161243A (ja) * | 1997-09-26 | 1999-06-18 | Sharp Corp | 液晶表示装置 |
KR100806906B1 (ko) | 2001-09-25 | 2008-02-22 | 삼성전자주식회사 | 액정 표시 장치와 이의 구동 장치 및 구동 방법 |
KR100840316B1 (ko) * | 2001-11-26 | 2008-06-20 | 삼성전자주식회사 | 액정 표시 장치 및 그의 구동 방법 |
JP3820379B2 (ja) * | 2002-03-13 | 2006-09-13 | 松下電器産業株式会社 | 液晶駆動装置 |
US7133063B2 (en) * | 2002-07-16 | 2006-11-07 | Fujinon Corporation | Electronic endoscope apparatus which superimposes signals on power supply |
US20040085332A1 (en) * | 2002-10-28 | 2004-05-06 | Rohm Co., Ltd. | Display driving method and display device |
JP4096943B2 (ja) * | 2004-12-21 | 2008-06-04 | セイコーエプソン株式会社 | 電源回路、表示ドライバ、電気光学装置、電子機器及び電源回路の制御方法 |
TWI409788B (zh) * | 2009-11-19 | 2013-09-21 | Au Optronics Corp | 液晶顯示裝置及其驅動方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045791A (en) * | 1972-04-06 | 1977-08-30 | Matsushita Electric Industrial Co., Ltd. | Apparatus for driving liquid crystal display device wherein the signal applied thereto is varied in accordance with the temperature of the device |
JPS5416894B2 (de) * | 1974-03-01 | 1979-06-26 | ||
GB2020875B (en) * | 1978-05-03 | 1982-03-03 | Marconi Co Ltd | Addressable matrices |
JPS57204592A (en) * | 1981-06-11 | 1982-12-15 | Sony Corp | Two-dimensional address device |
JPS59121391A (ja) * | 1982-12-28 | 1984-07-13 | シチズン時計株式会社 | 液晶表示装置 |
JPS59176985A (ja) * | 1983-03-26 | 1984-10-06 | Citizen Watch Co Ltd | 液晶テレビ受信装置 |
JPS6019195A (ja) * | 1983-07-13 | 1985-01-31 | 三菱電機株式会社 | 液晶表示装置の駆動方法及びその装置 |
JPS6019196A (ja) * | 1983-07-13 | 1985-01-31 | 三菱電機株式会社 | 液晶表示装置の駆動方法及びその装置 |
EP0162969A1 (de) * | 1984-05-30 | 1985-12-04 | BELL TELEPHONE MANUFACTURING COMPANY Naamloze Vennootschap | Umschaltnetzwerk und Matrixgerät diese Umschaltnetzwerke verwendend |
NL8402864A (nl) * | 1984-09-19 | 1986-04-16 | Philips Nv | Vloeibaar kristal weergeefinrichting. |
JPS6183596A (ja) * | 1984-09-28 | 1986-04-28 | シャープ株式会社 | 薄膜el表示装置の駆動方法 |
GB2165984B (en) * | 1984-10-11 | 1988-05-05 | Hitachi Ltd | Liquid crystal display device |
JPS61219023A (ja) * | 1985-03-23 | 1986-09-29 | Sharp Corp | 液晶表示装置 |
JPS6231825A (ja) * | 1985-08-02 | 1987-02-10 | Hitachi Ltd | 液晶表示装置用駆動回路 |
GB8623240D0 (en) * | 1986-09-26 | 1986-10-29 | Emi Plc Thorn | Display device |
JP2621161B2 (ja) * | 1987-03-10 | 1997-06-18 | カシオ計算機株式会社 | 液晶駆動方式 |
JP2906057B2 (ja) * | 1987-08-13 | 1999-06-14 | セイコーエプソン株式会社 | 液晶表示装置 |
US4845482A (en) * | 1987-10-30 | 1989-07-04 | International Business Machines Corporation | Method for eliminating crosstalk in a thin film transistor/liquid crystal display |
ATE148608T1 (de) * | 1992-10-14 | 1997-02-15 | Siemens Ag | Steckanschlusssystem für eine elektronische baugruppe |
-
1988
- 1988-06-28 JP JP63159914A patent/JP2906057B2/ja not_active Expired - Lifetime
- 1988-08-12 EP EP88307505A patent/EP0303510B1/de not_active Expired - Lifetime
- 1988-08-12 DE DE3851927T patent/DE3851927T2/de not_active Expired - Fee Related
- 1988-08-12 KR KR1019880010275A patent/KR920009028B1/ko not_active IP Right Cessation
- 1988-08-15 US US07/232,750 patent/US5010326A/en not_active Expired - Lifetime
-
1992
- 1992-07-22 US US07/918,113 patent/US5298914A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0303510A2 (de) | 1989-02-15 |
US5298914A (en) | 1994-03-29 |
JPH0289A (ja) | 1990-01-05 |
KR890004196A (ko) | 1989-04-20 |
JP2906057B2 (ja) | 1999-06-14 |
EP0303510A3 (en) | 1990-03-07 |
DE3851927T2 (de) | 1995-03-02 |
KR920009028B1 (ko) | 1992-10-12 |
EP0303510B1 (de) | 1994-10-26 |
US5010326A (en) | 1991-04-23 |
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