EP0673012A3 - Controller for a display with multiple common lines for each pixel. - Google Patents

Controller for a display with multiple common lines for each pixel. Download PDF

Info

Publication number
EP0673012A3
EP0673012A3 EP95301621A EP95301621A EP0673012A3 EP 0673012 A3 EP0673012 A3 EP 0673012A3 EP 95301621 A EP95301621 A EP 95301621A EP 95301621 A EP95301621 A EP 95301621A EP 0673012 A3 EP0673012 A3 EP 0673012A3
Authority
EP
European Patent Office
Prior art keywords
pixel
controller
display
common lines
multiple common
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.)
Withdrawn
Application number
EP95301621A
Other languages
German (de)
French (fr)
Other versions
EP0673012A2 (en
Inventor
Kia Silverbrook
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.)
Canon Inc
Original Assignee
Canon Information Systems Research Australia Pty Ltd
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
Priority claimed from AUPM4411A external-priority patent/AUPM441194A0/en
Priority claimed from AUPM4415A external-priority patent/AUPM441594A0/en
Priority claimed from AUPM4404A external-priority patent/AUPM440494A0/en
Priority claimed from AUPM4401A external-priority patent/AUPM440194A0/en
Priority claimed from AUPM4406A external-priority patent/AUPM440694A0/en
Priority claimed from AUPM4414A external-priority patent/AUPM441494A0/en
Priority claimed from AUPM4409A external-priority patent/AUPM440994A0/en
Priority claimed from AUPM4408A external-priority patent/AUPM440894A0/en
Priority claimed from AUPM4402A external-priority patent/AUPM440294A0/en
Priority claimed from AUPM4410A external-priority patent/AUPM441094A0/en
Priority claimed from AUPM4405A external-priority patent/AUPM440594A0/en
Priority claimed from AUPM4413A external-priority patent/AUPM441394A0/en
Application filed by Canon Information Systems Research Australia Pty Ltd filed Critical Canon Information Systems Research Australia Pty Ltd
Publication of EP0673012A2 publication Critical patent/EP0673012A2/en
Publication of EP0673012A3 publication Critical patent/EP0673012A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • 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
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals
    • G09G3/364—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals with use of subpixels
    • 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
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3692—Details of drivers for data 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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/393—Arrangements for updating the contents of the bit-mapped memory
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/395—Arrangements specially adapted for transferring the contents of the bit-mapped memory to 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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/42—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of patterns using a display memory without fixed position correspondence between the display memory contents and the display position on 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
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • 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
    • G09G2310/04—Partial updating of the display 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
    • G09G2320/04—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
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0457—Improvement of perceived resolution by subpixel rendering
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
    • G09G2370/045—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller using multiple communication channels, e.g. parallel and serial
    • 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
    • G09G3/2044—Display of intermediate tones using dithering
    • G09G3/2051—Display of intermediate tones using dithering with use of a spatial dither pattern
    • 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
    • G09G3/2074—Display of intermediate tones using sub-pixels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
EP95301621A 1994-03-11 1995-03-13 Controller for a display with multiple common lines for each pixel. Withdrawn EP0673012A3 (en)

Applications Claiming Priority (24)

Application Number Priority Date Filing Date Title
AUPM4401A AUPM440194A0 (en) 1994-03-11 1994-03-11 A display panel control system
AUPM4408/94 1994-03-11
AUPM4402A AUPM440294A0 (en) 1994-03-11 1994-03-11 A manufacturing method for high quality discrete level displays
AUPM4404/94 1994-03-11
AUPM4411/94 1994-03-11
AUPM4414A AUPM441494A0 (en) 1994-03-11 1994-03-11 Sub dithering of dithered image data
AUPM4408A AUPM440894A0 (en) 1994-03-11 1994-03-11 Display pixel balancing for a multi colour discrete level display
AUPM4405A AUPM440594A0 (en) 1994-03-11 1994-03-11 A computer workstation with a high resolution flat panel display
AUPM4413/94 1994-03-11
AUPM4405/94 1994-03-11
AUPM4409/94 1994-03-11
AUPM4411A AUPM441194A0 (en) 1994-03-11 1994-03-11 Update method and apparatus for the display of images on a discrete level display
AUPM4410A AUPM441094A0 (en) 1994-03-11 1994-03-11 Frame buffer control system for a discrete level display
AUPM4406/94 1994-03-11
AUPM4415A AUPM441594A0 (en) 1994-03-11 1994-03-11 Increasing the apparent resolution of images in discrete level displays
AUPM4413A AUPM441394A0 (en) 1994-03-11 1994-03-11 Dynamic refinement of pixels for a display
AUPM4401/94 1994-03-11
AUPM4402/94 1994-03-11
AUPM4409A AUPM440994A0 (en) 1994-03-11 1994-03-11 A luminance weighted discrete level display
AUPM4406A AUPM440694A0 (en) 1994-03-11 1994-03-11 Line update method for a display having multiple common lines
AUPM4404A AUPM440494A0 (en) 1994-03-11 1994-03-11 Intermingling subpixels in discrete level displays
AUPM4410/94 1994-03-11
AUPM4415/94 1994-03-11
AUPM4414/94 1994-03-11

Publications (2)

Publication Number Publication Date
EP0673012A2 EP0673012A2 (en) 1995-09-20
EP0673012A3 true EP0673012A3 (en) 1996-01-10

Family

ID=27582844

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95301621A Withdrawn EP0673012A3 (en) 1994-03-11 1995-03-13 Controller for a display with multiple common lines for each pixel.

Country Status (1)

Country Link
EP (1) EP0673012A3 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0703562A3 (en) * 1994-09-26 1996-12-18 Canon Kk Driving method for display device and display apparatus
EP0703561A3 (en) * 1994-09-26 1996-12-18 Canon Kk Driving method for display device and display apparatus
US5920299A (en) * 1995-12-28 1999-07-06 Canon Kabushiki Kaisha Color display panel and apparatus
EP0810578A1 (en) * 1995-12-28 1997-12-03 Canon Kabushiki Kaisha Display panel and apparatus capable of resolution conversion
US6072555A (en) * 1996-02-01 2000-06-06 Canon Kabushiki Kaisha Display apparatus capable of gradational display
WO1998010405A1 (en) * 1996-09-03 1998-03-12 United Technologies Automotive, Inc. Method of controlling display image shading depending on image resolution
EP0836172A3 (en) * 1996-10-09 1999-01-07 Canon Kabushiki Kaisha Display device using sub-pixels and driving method therefor
US6094187A (en) * 1996-12-16 2000-07-25 Sharp Kabushiki Kaisha Light modulating devices having grey scale levels using multiple state selection in combination with temporal and/or spatial dithering
GB2341476A (en) * 1998-09-03 2000-03-15 Sharp Kk Variable resolution display device
US6597360B1 (en) 1998-10-07 2003-07-22 Microsoft Corporation Automatic optimization of the position of stems of text characters
CN1175391C (en) * 1998-10-07 2004-11-10 微软公司 Mapping samples of foreground/background color image data to pixel sub-components
US6356278B1 (en) * 1998-10-07 2002-03-12 Microsoft Corporation Methods and systems for asymmeteric supersampling rasterization of image data
US6278434B1 (en) 1998-10-07 2001-08-21 Microsoft Corporation Non-square scaling of image data to be mapped to pixel sub-components
US6396505B1 (en) * 1998-10-07 2002-05-28 Microsoft Corporation Methods and apparatus for detecting and reducing color errors in images
US7134091B2 (en) 1999-02-01 2006-11-07 Microsoft Corporation Quality of displayed images with user preference information
US6342890B1 (en) * 1999-03-19 2002-01-29 Microsoft Corporation Methods, apparatus, and data structures for accessing sub-pixel data having left side bearing information
CN1190766C (en) * 1999-09-27 2005-02-23 时至准钟表股份有限公司 Method for driving color liquid crystal display panel and method for control of display of time piece
JP3475938B2 (en) 2000-05-26 2003-12-10 セイコーエプソン株式会社 Electro-optical device driving method, electro-optical device driving circuit, electro-optical device, and electronic apparatus
KR100878231B1 (en) * 2002-02-08 2009-01-13 삼성전자주식회사 Liquid crystal display and driving method thereof and frame memory
NL2011223C2 (en) * 2013-07-25 2015-01-27 Goa Uld B V Method and driver for a visual display, and software and a computer implemented with a driver to execute said method.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0174809A2 (en) * 1984-09-06 1986-03-19 Tektronix, Inc. Graphics display rapid pattern fill using undisplayed frame buffer memory
EP0250868A2 (en) * 1986-06-23 1988-01-07 International Business Machines Corporation Method and apparatus for area fill in a raster graphics system
EP0274942A2 (en) * 1986-12-16 1988-07-20 Thomson-Csf Flat panel matrix visualisation system with protected display of primary data for exploitation
EP0361981A2 (en) * 1988-09-30 1990-04-04 Sharp Kabushiki Kaisha Liquid crystal display device for display with grey levels
EP0526135A1 (en) * 1991-07-25 1993-02-03 Canon Kabushiki Kaisha Liquid crystal display apparatus
EP0558342A1 (en) * 1992-02-28 1993-09-01 Canon Kabushiki Kaisha Display control apparatus and method
EP0573822A1 (en) * 1992-05-19 1993-12-15 Canon Kabushiki Kaisha Display control apparatus and method
EP0579359A1 (en) * 1992-05-19 1994-01-19 Canon Kabushiki Kaisha Display control method and apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0174809A2 (en) * 1984-09-06 1986-03-19 Tektronix, Inc. Graphics display rapid pattern fill using undisplayed frame buffer memory
EP0250868A2 (en) * 1986-06-23 1988-01-07 International Business Machines Corporation Method and apparatus for area fill in a raster graphics system
EP0274942A2 (en) * 1986-12-16 1988-07-20 Thomson-Csf Flat panel matrix visualisation system with protected display of primary data for exploitation
EP0361981A2 (en) * 1988-09-30 1990-04-04 Sharp Kabushiki Kaisha Liquid crystal display device for display with grey levels
EP0526135A1 (en) * 1991-07-25 1993-02-03 Canon Kabushiki Kaisha Liquid crystal display apparatus
EP0558342A1 (en) * 1992-02-28 1993-09-01 Canon Kabushiki Kaisha Display control apparatus and method
EP0573822A1 (en) * 1992-05-19 1993-12-15 Canon Kabushiki Kaisha Display control apparatus and method
EP0579359A1 (en) * 1992-05-19 1994-01-19 Canon Kabushiki Kaisha Display control method and apparatus

Also Published As

Publication number Publication date
EP0673012A2 (en) 1995-09-20

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