EP1163657A4 - Weighted mapping of image data samples to pixel sub-components on a display device - Google Patents

Weighted mapping of image data samples to pixel sub-components on a display device

Info

Publication number
EP1163657A4
EP1163657A4 EP99970200A EP99970200A EP1163657A4 EP 1163657 A4 EP1163657 A4 EP 1163657A4 EP 99970200 A EP99970200 A EP 99970200A EP 99970200 A EP99970200 A EP 99970200A EP 1163657 A4 EP1163657 A4 EP 1163657A4
Authority
EP
European Patent Office
Prior art keywords
components
pixel sub
image
pixel
sub
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.)
Granted
Application number
EP99970200A
Other languages
German (de)
French (fr)
Other versions
EP1163657A1 (en
EP1163657B1 (en
Inventor
William Hill
Michael Duggan
Leroy B Keely Jr
Gregory C Hitchcock
J Turner Whitted
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.)
Microsoft Corp
Original Assignee
Microsoft Corp
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 US09/168,012 external-priority patent/US6188385B1/en
Application filed by Microsoft Corp filed Critical Microsoft Corp
Publication of EP1163657A1 publication Critical patent/EP1163657A1/en
Publication of EP1163657A4 publication Critical patent/EP1163657A4/en
Application granted granted Critical
Publication of EP1163657B1 publication Critical patent/EP1163657B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/24—Generation of individual character patterns
    • G09G5/28—Generation of individual character patterns for enhancement of character form, e.g. smoothing
    • 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
    • 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
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/24—Generation of individual character patterns
    • 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
    • G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
    • 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
    • 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
    • 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
    • G09G3/2003—Display of colours

Abstract

Methods and apparatus for sampling image data (620) and mapping the samples (622, 623, 624) to pixel sub-components (632, 633, 634) which form a pixel element of an LCD display so that each pixel sub-component (632, 633, 634) has a different portion of the image (620) mapped thereto. The methods can be used with conventional color LCD displays that include pixels consisting of three non-overlapping red, green and blue rectangular pixel sub-elements or sub-components. The pixel sub-components (632, 633, 634) can be arranged on the display device to form horizontal or vertical stripes of individual colors. The separately-controllable nature of individual RGB pixel sub-components is used to effectively increase a screen's resolution in the dimension perpendicular to the dimension in which the screen is striped. A scan conversion process maps samples (622, 623, 624) of the image data (620) to individual pixel sub-components, resulting in each of the pixel sub-components representing a different portion of the image. The color values are independently generated for each of the red, green, and blue pixel sub-components based on different portions of the image (620), rather than the color values for the entire pixel being generated based on a single sample or the same portion of the image.
EP99970200A 1998-10-07 1999-10-07 Weighted mapping of image data samples to pixel sub-components on a display device Expired - Lifetime EP1163657B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US240654 1981-03-05
US09/168,012 US6188385B1 (en) 1998-10-07 1998-10-07 Method and apparatus for displaying images such as text
US168012 1998-10-07
US24065499A 1999-01-29 1999-01-29
PCT/US1999/023469 WO2000021066A1 (en) 1998-10-07 1999-10-07 Weighted mapping of image data samples to pixel sub-components on a display device
US09/414,144 US6239783B1 (en) 1998-10-07 1999-10-07 Weighted mapping of image data samples to pixel sub-components on a display device

Publications (3)

Publication Number Publication Date
EP1163657A1 EP1163657A1 (en) 2001-12-19
EP1163657A4 true EP1163657A4 (en) 2002-02-13
EP1163657B1 EP1163657B1 (en) 2012-01-25

Family

ID=26863717

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99954811A Expired - Lifetime EP1155396B1 (en) 1998-10-07 1999-10-07 Mapping image data samples to pixel sub-components on a striped display device
EP99970200A Expired - Lifetime EP1163657B1 (en) 1998-10-07 1999-10-07 Weighted mapping of image data samples to pixel sub-components on a display device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP99954811A Expired - Lifetime EP1155396B1 (en) 1998-10-07 1999-10-07 Mapping image data samples to pixel sub-components on a striped display device

Country Status (6)

Country Link
EP (2) EP1155396B1 (en)
JP (3) JP5231697B2 (en)
CN (2) CN1335976A (en)
AT (2) ATE543176T1 (en)
AU (3) AU1443800A (en)
WO (2) WO2000021070A1 (en)

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US6225973B1 (en) * 1998-10-07 2001-05-01 Microsoft Corporation Mapping samples of foreground/background color image data to pixel sub-components
JP5231697B2 (en) * 1998-10-07 2013-07-10 マイクロソフト コーポレーション Method and computer system for improving the resolution of displayed images
KR100324879B1 (en) * 1999-02-01 2002-02-28 마찌다 가쯔히꼬 Character display apparatus, character display method, and recording medium
JP4831936B2 (en) * 1999-02-01 2011-12-07 シャープ株式会社 Character display device
US6486887B1 (en) * 2000-06-08 2002-11-26 Broadcom Corporation Method and system for improving color quality of three-dimensional rendered images
KR20020008040A (en) 2000-07-18 2002-01-29 마츠시타 덴끼 산교 가부시키가이샤 Display apparatus, display method, and recording medium which the display control program is recorded
CN1179312C (en) 2000-07-19 2004-12-08 松下电器产业株式会社 Indication method
JP2002040985A (en) * 2000-07-21 2002-02-08 Matsushita Electric Ind Co Ltd Reduced display method
JP3476784B2 (en) 2001-03-26 2003-12-10 松下電器産業株式会社 Display method
JP3476787B2 (en) 2001-04-20 2003-12-10 松下電器産業株式会社 Display device and display method
JP3719590B2 (en) 2001-05-24 2005-11-24 松下電器産業株式会社 Display method, display device, and image processing method
EP1419497A4 (en) * 2001-06-11 2005-11-16 Genoa Color Technologies Ltd Device, system and method for color display
JP5031954B2 (en) 2001-07-25 2012-09-26 パナソニック株式会社 Display device, display method, and recording medium recording display control program
US9953590B2 (en) * 2002-04-11 2018-04-24 Samsung Display Co., Ltd. Color display devices and methods with enhanced attributes
US20030210834A1 (en) * 2002-05-13 2003-11-13 Gregory Hitchcock Displaying static images using spatially displaced sampling with semantic data
CN100388354C (en) * 2004-04-21 2008-05-14 夏普株式会社 Display device and instrument panel and automobile incorporating the same
CN101388205B (en) * 2007-09-10 2011-08-24 联想(北京)有限公司 Display device control method and system

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US5132674A (en) * 1987-10-22 1992-07-21 Rockwell International Corporation Method and apparatus for drawing high quality lines on color matrix displays
US5353359A (en) * 1989-02-09 1994-10-04 Ricoh Company, Ltd. Methods for generating character pattern data and making image
EP0671650A2 (en) * 1994-03-11 1995-09-13 Canon Information Systems Research Australia Pty Ltd. A luminance weighted discrete level display
EP0693740A1 (en) * 1994-07-19 1996-01-24 Microsoft Corporation Method of font rendering employing greyscale processing of grid-fitted fonts
JPH08166778A (en) * 1994-12-14 1996-06-25 Internatl Business Mach Corp <Ibm> Method and equipment for liquid crystal display
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EP0313329A2 (en) * 1987-10-23 1989-04-26 Rockwell International Corporation Automatic synthetic dot flair for matrix addressed displays
US5353359A (en) * 1989-02-09 1994-10-04 Ricoh Company, Ltd. Methods for generating character pattern data and making image
EP0671650A2 (en) * 1994-03-11 1995-09-13 Canon Information Systems Research Australia Pty Ltd. A luminance weighted discrete level display
EP0693740A1 (en) * 1994-07-19 1996-01-24 Microsoft Corporation Method of font rendering employing greyscale processing of grid-fitted fonts
JPH08166778A (en) * 1994-12-14 1996-06-25 Internatl Business Mach Corp <Ibm> Method and equipment for liquid crystal display
EP0772144A2 (en) * 1995-10-23 1997-05-07 Adobe Systems Inc. Method and apparatus for rendering characters
JPH10186315A (en) * 1996-12-27 1998-07-14 Sharp Corp Liquid crystal display device and driving method therefor
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Also Published As

Publication number Publication date
EP1155396A4 (en) 2002-02-13
EP1163657A1 (en) 2001-12-19
EP1155396A1 (en) 2001-11-21
ATE543176T1 (en) 2012-02-15
JP2003526803A (en) 2003-09-09
WO2000021066A1 (en) 2000-04-13
WO2000021070A1 (en) 2000-04-13
EP1163657B1 (en) 2012-01-25
JP5231695B2 (en) 2013-07-10
EP1155396B1 (en) 2011-06-01
JP2012137775A (en) 2012-07-19
AU1443800A (en) 2000-04-26
CN1322343A (en) 2001-11-14
JP5231697B2 (en) 2013-07-10
ATE511688T1 (en) 2011-06-15
JP2002527776A (en) 2002-08-27
AU6512199A (en) 2000-04-26
CN1335976A (en) 2002-02-13
AU1106900A (en) 2000-04-26

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