WO2000014708A3 - Power-efficient, pulsed driving of liquid crystal display capacitive loads to controllable voltage levels - Google Patents

Power-efficient, pulsed driving of liquid crystal display capacitive loads to controllable voltage levels Download PDF

Info

Publication number
WO2000014708A3
WO2000014708A3 PCT/US1999/020358 US9920358W WO0014708A3 WO 2000014708 A3 WO2000014708 A3 WO 2000014708A3 US 9920358 W US9920358 W US 9920358W WO 0014708 A3 WO0014708 A3 WO 0014708A3
Authority
WO
WIPO (PCT)
Prior art keywords
efficient
power
voltage levels
controllable voltage
liquid crystal
Prior art date
Application number
PCT/US1999/020358
Other languages
French (fr)
Other versions
WO2000014708A9 (en
WO2000014708A2 (en
Inventor
Lars G Svensson
Rajat K Lal
William C Athas
Original Assignee
Univ Southern California
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 Univ Southern California filed Critical Univ Southern California
Priority to AU58099/99A priority Critical patent/AU5809999A/en
Priority to EP99945512A priority patent/EP1114410A2/en
Priority to JP2000569373A priority patent/JP2002524950A/en
Publication of WO2000014708A2 publication Critical patent/WO2000014708A2/en
Publication of WO2000014708A9 publication Critical patent/WO2000014708A9/en
Publication of WO2000014708A3 publication Critical patent/WO2000014708A3/en

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3685Details of drivers for data electrodes
    • G09G3/3688Details of drivers for data electrodes suitable for active matrices only
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/06Details of flat display driving waveforms
    • G09G2310/066Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • G09G2330/023Power management, e.g. power saving using energy recovery or conservation

Abstract

Power-efficient, pulsed driving of capacitive loads to controllable voltage levels, with particular applicability to LCDs. Energy stored in a portion of the capacitive load is recovered during a recovery phase. Time-varying signals are used to drive the load and to recover the stored energy, thus minimizing power losses, using processes named adiabatic charging and adiabatic discharging.
PCT/US1999/020358 1998-09-03 1999-09-03 Power-efficient, pulsed driving of liquid crystal display capacitive loads to controllable voltage levels WO2000014708A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU58099/99A AU5809999A (en) 1998-09-03 1999-09-03 Power-efficient, pulsed driving of capacitive loads to controllable voltage levels
EP99945512A EP1114410A2 (en) 1998-09-03 1999-09-03 Power-efficient, pulsed driving of liquid crystal display capacitive loads to controllable voltage levels
JP2000569373A JP2002524950A (en) 1998-09-03 1999-09-03 Power efficient pulse driving of capacitive loads at controllable voltage levels

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US9912098P 1998-09-03 1998-09-03
US60/099,120 1998-09-03
US14366599P 1999-07-14 1999-07-14
US60/143,665 1999-07-14

Publications (3)

Publication Number Publication Date
WO2000014708A2 WO2000014708A2 (en) 2000-03-16
WO2000014708A9 WO2000014708A9 (en) 2000-06-02
WO2000014708A3 true WO2000014708A3 (en) 2001-01-11

Family

ID=26795600

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/020358 WO2000014708A2 (en) 1998-09-03 1999-09-03 Power-efficient, pulsed driving of liquid crystal display capacitive loads to controllable voltage levels

Country Status (5)

Country Link
EP (1) EP1114410A2 (en)
JP (1) JP2002524950A (en)
KR (1) KR100707042B1 (en)
AU (1) AU5809999A (en)
WO (1) WO2000014708A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7717961B2 (en) 1999-08-18 2010-05-18 Intrinsic Therapeutics, Inc. Apparatus delivery in an intervertebral disc
US7972337B2 (en) 2005-12-28 2011-07-05 Intrinsic Therapeutics, Inc. Devices and methods for bone anchoring
MXPA03003600A (en) 1999-08-18 2004-12-02 Intrinsic Orthopedics Inc Devices and method for nucleus pulposus augmentation and retention.
US8323341B2 (en) 2007-09-07 2012-12-04 Intrinsic Therapeutics, Inc. Impaction grafting for vertebral fusion
US6459243B1 (en) 2001-12-14 2002-10-01 Zinc Matrix Power, Inc. Multiple plateau battery charging method and system to fully charge the first plateau
US6879190B2 (en) * 2002-04-04 2005-04-12 The Regents Of The University Of Michigan Low-power driver with energy recovery
KR102027579B1 (en) 2018-08-20 2019-10-01 문용봉 System for exercising golf shot rhythm tempo
KR102259688B1 (en) 2019-09-27 2021-06-02 김학선 Swing training machine

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992007351A1 (en) * 1990-10-19 1992-04-30 Thomson S.A. System for applying brightness signals to a display device and comparator for such system
US5266936A (en) * 1989-05-09 1993-11-30 Nec Corporation Driving circuit for liquid crystal display
EP0586155A2 (en) * 1992-08-20 1994-03-09 Sharp Kabushiki Kaisha A display apparatus
EP0598308A1 (en) * 1992-11-16 1994-05-25 RCA Thomson Licensing Corporation Differential comparator circuit
EP0694900A2 (en) * 1994-07-27 1996-01-31 Sharp Kabushiki Kaisha An active matrix type display device and a method for driving the same
US5489918A (en) * 1991-06-14 1996-02-06 Rockwell International Corporation Method and apparatus for dynamically and adjustably generating active matrix liquid crystal display gray level voltages
WO1996006421A2 (en) * 1994-08-16 1996-02-29 Vivid Semiconductor, Inc. Power-saving circuit and method for driving liquid crystal display
EP0729128A2 (en) * 1995-02-17 1996-08-28 Pixtech S.A. Apparatus for addressing an electrode of a microtip display panel
US5594305A (en) * 1995-06-07 1997-01-14 Texas Instruments Incorporated Power supply for use with switched anode field emission display including energy recovery apparatus
EP0755044A1 (en) * 1995-07-18 1997-01-22 International Business Machines Corporation Device and method for driving liquid crystal display with precharge pf display data lines
GB2324191A (en) * 1997-04-07 1998-10-14 Lg Semicon Co Ltd Driver circuit for TFT-LCD

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000039870A (en) * 1998-07-23 2000-02-08 Sony Corp Liquid crystal display device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5266936A (en) * 1989-05-09 1993-11-30 Nec Corporation Driving circuit for liquid crystal display
WO1992007351A1 (en) * 1990-10-19 1992-04-30 Thomson S.A. System for applying brightness signals to a display device and comparator for such system
US5489918A (en) * 1991-06-14 1996-02-06 Rockwell International Corporation Method and apparatus for dynamically and adjustably generating active matrix liquid crystal display gray level voltages
EP0586155A2 (en) * 1992-08-20 1994-03-09 Sharp Kabushiki Kaisha A display apparatus
EP0598308A1 (en) * 1992-11-16 1994-05-25 RCA Thomson Licensing Corporation Differential comparator circuit
EP0694900A2 (en) * 1994-07-27 1996-01-31 Sharp Kabushiki Kaisha An active matrix type display device and a method for driving the same
WO1996006421A2 (en) * 1994-08-16 1996-02-29 Vivid Semiconductor, Inc. Power-saving circuit and method for driving liquid crystal display
US5528256A (en) * 1994-08-16 1996-06-18 Vivid Semiconductor, Inc. Power-saving circuit and method for driving liquid crystal display
EP0729128A2 (en) * 1995-02-17 1996-08-28 Pixtech S.A. Apparatus for addressing an electrode of a microtip display panel
US5594305A (en) * 1995-06-07 1997-01-14 Texas Instruments Incorporated Power supply for use with switched anode field emission display including energy recovery apparatus
EP0755044A1 (en) * 1995-07-18 1997-01-22 International Business Machines Corporation Device and method for driving liquid crystal display with precharge pf display data lines
GB2324191A (en) * 1997-04-07 1998-10-14 Lg Semicon Co Ltd Driver circuit for TFT-LCD

Also Published As

Publication number Publication date
KR100707042B1 (en) 2007-04-13
WO2000014708A9 (en) 2000-06-02
KR20010104617A (en) 2001-11-26
JP2002524950A (en) 2002-08-06
EP1114410A2 (en) 2001-07-11
AU5809999A (en) 2000-03-27
WO2000014708A2 (en) 2000-03-16

Similar Documents

Publication Publication Date Title
WO2000014708A3 (en) Power-efficient, pulsed driving of liquid crystal display capacitive loads to controllable voltage levels
WO1999012072A3 (en) Power saving circuit and method for driving an active matrix display
US5805121A (en) Liquid crystal display and turn-off method therefor
US4958105A (en) Row driver for EL panels and the like with inductance coupling
WO1996006421A3 (en) Power-saving circuit and method for driving liquid crystal display
EP1030288A3 (en) Power generator circuit, power generating method and liquid crystal display device using the circuit and/or the method
CA2224300A1 (en) Discharge lamp driving bridge circuit
WO2006030384A3 (en) Display unit
EP1139551A3 (en) Charge pump type power supply circuit and driving circuit for display device and display device using such power supply circuit
AU4758597A (en) Nonemissive displays and piezoelectric power supplies therefor
AU5513798A (en) Display system with modulation of an electrode voltage to alter state of the electro-optic layer
EP0899713A3 (en) Column driver for an active matrix liquid crystal display
NO960493L (en) Pulse width modulated DC-to-DC booster current inverter
TW349180B (en) Liquid crystal display device
WO2005114628A3 (en) Plasma display with split electrodes
AU2001231014A1 (en) System for driving a liquid crystal display with power saving and other improved features
MY118242A (en) Discharge device driving method
EP0559321A3 (en) Active matrix liquid crystal light valve with driver circuit
SG54599A1 (en) Bistable ferroelectric liquid crystal cell
TW200508768A (en) Electrophoretic display unit
US6094192A (en) Common electrode driving device in a liquid crystal display
WO2002039178A3 (en) Display device
AU2002248733A1 (en) System and method for achieving fast switching of analog voltages on a large capacitive load
WO2005034078A3 (en) Driving liquid crystal materials using low voltages
TW200509031A (en) Generation of falling edges with energy recovery in a plasma display

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CR CU CZ DE DK DM EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GH GM KE LS MW SD SL SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
AK Designated states

Kind code of ref document: C2

Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CR CU CZ DE DK DM EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: C2

Designated state(s): GH GM KE LS MW SD SL SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

COP Corrected version of pamphlet

Free format text: PAGES 1/14-14/14, DRAWINGS, REPLACED BY NEW PAGES 1/7-7/7; DUE TO LATE TRANSMITTAL BY THE RECEIVINGOFFICE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
AK Designated states

Kind code of ref document: A3

Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CR CU CZ DE DK DM EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): GH GM KE LS MW SD SL SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

WWE Wipo information: entry into national phase

Ref document number: 1020017002796

Country of ref document: KR

ENP Entry into the national phase

Ref country code: JP

Ref document number: 2000 569373

Kind code of ref document: A

Format of ref document f/p: F

WWE Wipo information: entry into national phase

Ref document number: 1999945512

Country of ref document: EP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

WWP Wipo information: published in national office

Ref document number: 1999945512

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1020017002796

Country of ref document: KR

WWG Wipo information: grant in national office

Ref document number: 1020017002796

Country of ref document: KR