DE69840536D1 - Beleuchtungsverfahren für Anzeigesysteme mit einem räumlichen Lichtmodulator - Google Patents

Beleuchtungsverfahren für Anzeigesysteme mit einem räumlichen Lichtmodulator

Info

Publication number
DE69840536D1
DE69840536D1 DE69840536T DE69840536T DE69840536D1 DE 69840536 D1 DE69840536 D1 DE 69840536D1 DE 69840536 T DE69840536 T DE 69840536T DE 69840536 T DE69840536 T DE 69840536T DE 69840536 D1 DE69840536 D1 DE 69840536D1
Authority
DE
Germany
Prior art keywords
light modulator
spatial light
display systems
lighting method
lighting
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 - Lifetime
Application number
DE69840536T
Other languages
English (en)
Inventor
Claude E Tew
Dana Dudley
Keith H Elliot
Mark L Burton
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of DE69840536D1 publication Critical patent/DE69840536D1/de
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
    • 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
    • G09G3/3406—Control of illumination source
    • 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
    • G09G2310/0237—Switching ON and OFF the backlight within one frame
    • 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
    • G09G2310/066—Waveforms comprising a gently increasing or decreasing portion, e.g. ramp
    • 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
    • G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
    • 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
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • 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
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
    • G09G3/2025—Display of intermediate tones by time modulation using two or more time intervals using sub-frames the sub-frames having all the same time duration
    • 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
DE69840536T 1997-09-30 1998-09-28 Beleuchtungsverfahren für Anzeigesysteme mit einem räumlichen Lichtmodulator Expired - Lifetime DE69840536D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6043397P 1997-09-30 1997-09-30

Publications (1)

Publication Number Publication Date
DE69840536D1 true DE69840536D1 (de) 2009-03-26

Family

ID=22029449

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69840536T Expired - Lifetime DE69840536D1 (de) 1997-09-30 1998-09-28 Beleuchtungsverfahren für Anzeigesysteme mit einem räumlichen Lichtmodulator

Country Status (3)

Country Link
US (1) US6232963B1 (de)
EP (1) EP0905674B1 (de)
DE (1) DE69840536D1 (de)

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US6535187B1 (en) 1998-04-21 2003-03-18 Lawson A. Wood Method for using a spatial light modulator
US7253794B2 (en) * 1995-01-31 2007-08-07 Acacia Patent Acquisition Corporation Display apparatus and method
US20030107539A1 (en) * 1995-01-31 2003-06-12 Wood Lawson A. Display apparatus and method
JP3049061B1 (ja) * 1999-02-26 2000-06-05 キヤノン株式会社 画像表示装置及び画像表示方法
JP2000214838A (ja) * 1999-01-27 2000-08-04 Fuji Photo Film Co Ltd 表示装置
US6262829B1 (en) * 1999-07-29 2001-07-17 Hewlett-Packard Co. Method of digital grayscale control using modulation of a slow-acting light source
US6377236B1 (en) 1999-07-29 2002-04-23 Hewlett-Packard Company Method of illuminating a light valve with improved light throughput and color balance correction
JP2001125547A (ja) * 1999-10-28 2001-05-11 Sony Corp 液晶表示装置及びその表示方法
JP3535799B2 (ja) * 2000-03-30 2004-06-07 キヤノン株式会社 液晶表示装置およびその駆動方法
US7176948B2 (en) * 2000-04-12 2007-02-13 Honeywell International Inc. Method, apparatus and computer program product for controlling LED backlights and for improved pulse width modulation resolution
DE10046518A1 (de) * 2000-09-15 2002-04-04 Fraunhofer Ges Forschung Verfahren zur Verbesserung der Bildqualität und zur Erhöhung der Schreibgeschwindigkeit bei Belichtung lichtempfindlicher Schichten
US6690499B1 (en) * 2000-11-22 2004-02-10 Displaytech, Inc. Multi-state light modulator with non-zero response time and linear gray scale
JP2003050569A (ja) * 2000-11-30 2003-02-21 Hitachi Ltd 液晶表示装置
JP4210040B2 (ja) * 2001-03-26 2009-01-14 パナソニック株式会社 画像表示装置および方法
TW556043B (en) 2001-11-30 2003-10-01 Asml Netherlands Bv Imaging apparatus, device manufacturing method and device manufactured by said method
US7173639B2 (en) * 2002-04-10 2007-02-06 Intel Corporation Spatial light modulator data refresh without tearing artifacts
KR100857990B1 (ko) * 2002-08-05 2008-09-10 비오이 하이디스 테크놀로지 주식회사 액정표시장치의 백라이트유니트 구조
KR100510652B1 (ko) * 2002-09-19 2005-08-31 엘지전자 주식회사 디엘피 시스템의 비트 플레인 분할 방법
KR100476369B1 (ko) * 2002-12-30 2005-03-17 엘지.필립스 엘시디 주식회사 백라이트 유니트 및 이를 이용한 액정표시장치의 구동장치
AU2003303353A1 (en) * 2002-12-30 2004-07-22 Koninklijke Philips Electronics N.V. Optical display driving method
US7397517B2 (en) * 2003-05-30 2008-07-08 Kazuhiro Ohara Display system and signal processing using diamond-shaped DMDs
US7268932B2 (en) * 2003-11-01 2007-09-11 Silicon Quest Kabushiki Kaisha Micromirrors with lower driving voltages
US6831768B1 (en) 2003-07-31 2004-12-14 Asml Holding N.V. Using time and/or power modulation to achieve dose gray-scaling in optical maskless lithography
US7869115B2 (en) 2003-11-01 2011-01-11 Silicon Quest Kabushiki-Kaisha Display apparatus using pulsed light source
US8270061B2 (en) * 2003-11-01 2012-09-18 Silicon Quest Kabushiki-Kaisha Display apparatus using pulsed light source
US8282221B2 (en) * 2003-11-01 2012-10-09 Silicon Quest Kabushiki Kaisha Projection apparatus using variable light source
US7817330B2 (en) * 2003-11-01 2010-10-19 Silicon Quest Kabushiki-Kaisha Projection apparatus with adjustable light source
US8462421B2 (en) * 2003-11-01 2013-06-11 Silicon Quest Kabushiki-Kaisha System configurations and methods for controlling image projection apparatuses
US20080007576A1 (en) * 2003-11-01 2008-01-10 Fusao Ishii Image display device with gray scales controlled by oscillating and positioning states
US7408527B2 (en) * 2004-04-30 2008-08-05 Infocus Corporation Light emitting device driving method and projection apparatus so equipped
US7413313B2 (en) * 2004-11-12 2008-08-19 Infocus Corporation Optical shutter with rotational axis in light path of projection device
DE102004062728B3 (de) * 2004-12-27 2006-04-06 Insta Elektro Gmbh Elektrische/elektronische Schaltungsanordnung
DE102004062727B3 (de) * 2004-12-27 2006-04-06 Insta Elektro Gmbh Elektrische/elektronische Schaltungsanordnung
US9082347B2 (en) * 2005-01-19 2015-07-14 Intel Corporation Illumination modulation technique for microdisplays
US7148780B2 (en) 2005-01-24 2006-12-12 Delphi Technologies, Inc. Twin spark pencil coil
US20070064008A1 (en) * 2005-09-14 2007-03-22 Childers Winthrop D Image display system and method
US20070064007A1 (en) * 2005-09-14 2007-03-22 Childers Winthrop D Image display system and method
US20070063996A1 (en) * 2005-09-14 2007-03-22 Childers Winthrop D Image display system and method
US7551154B2 (en) * 2005-09-15 2009-06-23 Hewlett-Packard Development Company, L.P. Image display system and method
TWI294615B (en) * 2005-10-14 2008-03-11 Innolux Display Corp Driving method of liquid crystal display device
EP2033046B1 (de) 2006-06-02 2019-12-25 Compound Photonics Limited Optisch adressierter, elektrische ladung akkumulierender räumlicher graustufen-lichtmodulator
US20080273044A1 (en) * 2007-05-02 2008-11-06 Govorkov Sergei V Semiconductor light-emitting device illuminated projection display with high grayscale resolution
US8223179B2 (en) * 2007-07-27 2012-07-17 Omnivision Technologies, Inc. Display device and driving method based on the number of pixel rows in the display
ES2380416T3 (es) * 2007-09-26 2012-05-11 Koninklijke Philips Electronics N.V. Método y dispositivo para comunicar datos usando una fuente de luz
US20090102988A1 (en) * 2007-10-02 2009-04-23 Yoshihiro Maeda Projection device provided with semiconductor light source
US8228349B2 (en) * 2008-06-06 2012-07-24 Omnivision Technologies, Inc. Data dependent drive scheme and display
US8228350B2 (en) * 2008-06-06 2012-07-24 Omnivision Technologies, Inc. Data dependent drive scheme and display
US9024964B2 (en) * 2008-06-06 2015-05-05 Omnivision Technologies, Inc. System and method for dithering video data
JP2010091895A (ja) * 2008-10-10 2010-04-22 Toppoly Optoelectronics Corp アクティブマトリクス型ディスプレイ装置
US9578314B2 (en) * 2011-06-22 2017-02-21 Eyelementec Inc. Image/information display system and method based on temporal psycho-visual modulation
JP6589360B2 (ja) * 2015-05-01 2019-10-16 株式会社Ｊｖｃケンウッド 表示装置および表示装置の駆動方法
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US11025871B1 (en) * 2019-04-04 2021-06-01 Facebook Technologies, Llc Driving scanning projector display with pulses shorter than pixel duration

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EP0391529B1 (de) 1989-02-27 1995-05-03 Texas Instruments Incorporated Apparat für ein digitalisiertes Videosystem
KR100326689B1 (ko) * 1993-06-30 2002-07-03 요트.게.아. 롤페즈 매트릭스디스플레이시스템
US5748164A (en) 1994-12-22 1998-05-05 Displaytech, Inc. Active matrix liquid crystal image generator
US5748160A (en) 1995-08-21 1998-05-05 Mororola, Inc. Active driven LED matrices

Also Published As

Publication number Publication date
EP0905674B1 (de) 2009-02-11
EP0905674A1 (de) 1999-03-31
US6232963B1 (en) 2001-05-15

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