WO2006122097A3 - Data-dependent, logic-level drive scheme for driving lcd panels - Google Patents

Data-dependent, logic-level drive scheme for driving lcd panels Download PDF

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Publication number
WO2006122097A3
WO2006122097A3 PCT/US2006/017867 US2006017867W WO2006122097A3 WO 2006122097 A3 WO2006122097 A3 WO 2006122097A3 US 2006017867 W US2006017867 W US 2006017867W WO 2006122097 A3 WO2006122097 A3 WO 2006122097A3
Authority
WO
WIPO (PCT)
Prior art keywords
logic
dependent
data
drive scheme
level drive
Prior art date
Application number
PCT/US2006/017867
Other languages
French (fr)
Other versions
WO2006122097A2 (en
Inventor
Rusell M Rosenquist
Original Assignee
Texas Instruments Inc
Rusell M Rosenquist
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
Application filed by Texas Instruments Inc, Rusell M Rosenquist filed Critical Texas Instruments Inc
Priority to EP06759382A priority Critical patent/EP1886300A4/en
Publication of WO2006122097A2 publication Critical patent/WO2006122097A2/en
Publication of WO2006122097A3 publication Critical patent/WO2006122097A3/en

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
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions 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
    • G09G3/3614—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
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • 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
    • G09G2310/0297—Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
    • 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
    • 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
    • G09G2320/0204—Compensation of DC component across the pixels in flat 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
    • 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
    • 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
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals

Abstract

System and method for driving an LCD (150) using a data-dependent, logic-level drive scheme. A preferred embodiment comprises determining a desired state of each pixel (155-157) in an LCD pixel segment, deriving a drive waveform based upon the state of all pixels in the LCD pixel segment, and outputting the drive waveform to the LCD pixel segment. By using the states of all the pixels in the LCD pixel segment in the determination of the drive waveform, it is possible to increase the on and off voltage to help improve display quality.
PCT/US2006/017867 2005-05-09 2006-05-09 Data-dependent, logic-level drive scheme for driving lcd panels WO2006122097A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06759382A EP1886300A4 (en) 2005-05-09 2006-05-09 Data-dependent, logic-level drive scheme for driving lcd panels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/124,838 2005-05-09
US11/124,838 US7557789B2 (en) 2005-05-09 2005-05-09 Data-dependent, logic-level drive scheme for driving LCD panels

Publications (2)

Publication Number Publication Date
WO2006122097A2 WO2006122097A2 (en) 2006-11-16
WO2006122097A3 true WO2006122097A3 (en) 2007-02-15

Family

ID=37393584

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/017867 WO2006122097A2 (en) 2005-05-09 2006-05-09 Data-dependent, logic-level drive scheme for driving lcd panels

Country Status (3)

Country Link
US (1) US7557789B2 (en)
EP (1) EP1886300A4 (en)
WO (1) WO2006122097A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110013128A1 (en) * 2009-07-20 2011-01-20 Avery Dennison Corporation Dynamic display with divided top electrode
WO2011088419A1 (en) * 2010-01-14 2011-07-21 Cypress Semiconductor Corporation Digital driving circuits, methods and systems for liquid crystal display devices
US20140168551A1 (en) * 2012-12-19 2014-06-19 Silicon Laboratories Inc. Controller and display apparatus with improved performance and associated methods

Citations (5)

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US6108122A (en) * 1998-04-29 2000-08-22 Sharp Kabushiki Kaisha Light modulating devices
US6407727B1 (en) * 1998-09-10 2002-06-18 Koninklijke Philips Electronics N.V. Display device
US20030103046A1 (en) * 2001-11-21 2003-06-05 Rogers Gerald D. Method and system for driving a pixel
US20030193491A1 (en) * 2002-04-15 2003-10-16 Cambridge University Technical Services Limited Method of and apparatus for driving a display device
US20050024391A1 (en) * 2003-07-31 2005-02-03 Niranjan Damera-Venkata Generating and displaying spatially offset sub-frames

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US4547043A (en) * 1980-07-25 1985-10-15 Penz Perry A Stacked LCD graphics display
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US4834504A (en) * 1987-10-09 1989-05-30 Hewlett-Packard Company LCD compensation for non-optimum voltage conditions
US4823284A (en) * 1987-11-16 1989-04-18 Xerox Corporation High speed VLSI based serial to multiplexed data translator
US5485173A (en) * 1991-04-01 1996-01-16 In Focus Systems, Inc. LCD addressing system and method
DE69411223T2 (en) * 1993-04-30 1999-02-18 Ibm Method and apparatus for eliminating crosstalk in an active matrix liquid crystal display device
US5739803A (en) * 1994-01-24 1998-04-14 Arithmos, Inc. Electronic system for driving liquid crystal displays
GB2313223A (en) * 1996-05-17 1997-11-19 Sharp Kk Liquid crystal device
US6339413B1 (en) * 1996-06-28 2002-01-15 Microchip Technology Incorporated Microcontroller with internal clock for liquid crystal display
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6108122A (en) * 1998-04-29 2000-08-22 Sharp Kabushiki Kaisha Light modulating devices
US6407727B1 (en) * 1998-09-10 2002-06-18 Koninklijke Philips Electronics N.V. Display device
US20030103046A1 (en) * 2001-11-21 2003-06-05 Rogers Gerald D. Method and system for driving a pixel
US20030193491A1 (en) * 2002-04-15 2003-10-16 Cambridge University Technical Services Limited Method of and apparatus for driving a display device
US20050024391A1 (en) * 2003-07-31 2005-02-03 Niranjan Damera-Venkata Generating and displaying spatially offset sub-frames

Also Published As

Publication number Publication date
US20060250324A1 (en) 2006-11-09
EP1886300A4 (en) 2009-10-28
EP1886300A2 (en) 2008-02-13
WO2006122097A2 (en) 2006-11-16
US7557789B2 (en) 2009-07-07

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