JP2006047997A - 変調回路、駆動回路および出力方法 - Google Patents

変調回路、駆動回路および出力方法 Download PDF

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Publication number
JP2006047997A
JP2006047997A JP2005175119A JP2005175119A JP2006047997A JP 2006047997 A JP2006047997 A JP 2006047997A JP 2005175119 A JP2005175119 A JP 2005175119A JP 2005175119 A JP2005175119 A JP 2005175119A JP 2006047997 A JP2006047997 A JP 2006047997A
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JP
Japan
Prior art keywords
data
circuit
modulation
peak value
signal
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Withdrawn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
JP2005175119A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006047997A5 (OSRAM
Inventor
Kazuhiko Murayama
和彦 村山
Tatsuro Yamazaki
達郎 山崎
Osamu Sagano
治 嵯峨野
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 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 Canon Inc filed Critical Canon Inc
Priority to JP2005175119A priority Critical patent/JP2006047997A/ja
Priority to US11/167,206 priority patent/US7468639B2/en
Priority to KR1020050057742A priority patent/KR100765253B1/ko
Publication of JP2006047997A publication Critical patent/JP2006047997A/ja
Publication of JP2006047997A5 publication Critical patent/JP2006047997A5/ja
Withdrawn legal-status Critical Current

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    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle 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
    • G09G3/22—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 using controlled light sources
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/6871—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
    • H03K17/6872—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor using complementary field-effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/693—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • 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
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • 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
    • G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
    • G09G3/2081—Display of intermediate tones by a combination of two or more gradation control methods with combination of amplitude modulation and time modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
JP2005175119A 2004-06-30 2005-06-15 変調回路、駆動回路および出力方法 Withdrawn JP2006047997A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005175119A JP2006047997A (ja) 2004-06-30 2005-06-15 変調回路、駆動回路および出力方法
US11/167,206 US7468639B2 (en) 2004-06-30 2005-06-28 Modulation circuit, driving circuit and output method
KR1020050057742A KR100765253B1 (ko) 2004-06-30 2005-06-30 변조 회로, 구동 회로 및 출력 방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004193936 2004-06-30
JP2005175119A JP2006047997A (ja) 2004-06-30 2005-06-15 変調回路、駆動回路および出力方法

Publications (2)

Publication Number Publication Date
JP2006047997A true JP2006047997A (ja) 2006-02-16
JP2006047997A5 JP2006047997A5 (OSRAM) 2010-01-21

Family

ID=35513259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005175119A Withdrawn JP2006047997A (ja) 2004-06-30 2005-06-15 変調回路、駆動回路および出力方法

Country Status (3)

Country Link
US (1) US7468639B2 (OSRAM)
JP (1) JP2006047997A (OSRAM)
KR (1) KR100765253B1 (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006047997A (ja) * 2004-06-30 2006-02-16 Canon Inc 変調回路、駆動回路および出力方法
JP2010140953A (ja) * 2008-12-09 2010-06-24 Sanyo Electric Co Ltd 発光素子駆動回路
JP2010145739A (ja) * 2008-12-18 2010-07-01 Sanyo Electric Co Ltd 発光素子駆動回路
JP5665388B2 (ja) 2010-06-28 2015-02-04 キヤノン株式会社 画像処理装置及びその制御方法
JP2013050679A (ja) * 2011-08-31 2013-03-14 Sony Corp 駆動回路、表示装置、および表示装置の駆動方法
IL252056A (en) * 2017-05-01 2018-04-30 Elbit Systems Ltd Head-up display device, system and method

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4427978A (en) * 1981-08-31 1984-01-24 Marshall Williams Multiplexed liquid crystal display having a gray scale image
US4775891A (en) * 1984-08-31 1988-10-04 Casio Computer Co., Ltd. Image display using liquid crystal display panel
DE3686219T2 (de) * 1985-09-06 1993-03-18 Matsushita Electric Ind Co Ltd Verfahren zur ansteuerung eines fluessigkristallrasterbildschirmes.
US5010328A (en) * 1987-07-21 1991-04-23 Thorn Emi Plc Display device
US5331345A (en) * 1991-06-21 1994-07-19 Canon Kabushiki Kaisha Television camera device
JP2639764B2 (ja) * 1991-10-08 1997-08-13 株式会社半導体エネルギー研究所 電気光学装置の表示方法
US6078751A (en) * 1994-04-27 2000-06-20 Canon Kabushiki Kaisha Image-shake correcting device
KR100250427B1 (ko) * 1997-09-30 2000-04-01 김영남 전계 방출 표시기의 캐소드 구동장치
JP3025251B2 (ja) * 1997-12-27 2000-03-27 キヤノン株式会社 画像表示装置及び画像表示装置の駆動方法
JP3073486B2 (ja) 1998-02-16 2000-08-07 キヤノン株式会社 画像形成装置及び電子線装置及び変調回路及び画像形成装置の駆動方法
KR20000010310A (ko) * 1998-07-31 2000-02-15 윤종용 펄스폭변조 방식 계조전압 발생 장치
US20020001910A1 (en) * 1999-02-24 2002-01-03 Chin-Lai Chen Method of forming a mos transistor of a semiconductor
US7057667B1 (en) * 1999-02-26 2006-06-06 Canon Kabushiki Kaisha Image display control system and method allowing connection of various kinds of image displays to one supply source
EP1032200B1 (en) * 1999-02-26 2005-11-16 Canon Kabushiki Kaisha Image display apparatus control system and image display system control method
AU5935200A (en) * 1999-07-15 2001-02-05 Midway Games West Inc. System and method of vehicle competition with enhanced ghosting features
KR20020059490A (ko) * 2001-01-06 2002-07-13 엘지전자 주식회사 평판표시장치 및 그 구동방법
JP3681121B2 (ja) 2001-06-15 2005-08-10 キヤノン株式会社 駆動回路及び表示装置
US6873308B2 (en) * 2001-07-09 2005-03-29 Canon Kabushiki Kaisha Image display apparatus
JP2003316312A (ja) 2002-04-23 2003-11-07 Canon Inc 発光素子の駆動方法
JP4072445B2 (ja) 2003-02-14 2008-04-09 キヤノン株式会社 画像表示装置
JP3880540B2 (ja) * 2003-05-16 2007-02-14 キヤノン株式会社 表示パネルの駆動制御装置
JP4533156B2 (ja) * 2004-02-02 2010-09-01 キヤノン株式会社 調整回路及び方法
JP4785354B2 (ja) * 2004-06-28 2011-10-05 キヤノン株式会社 画像表示装置、画像表示システム、電子装置
JP4174494B2 (ja) * 2004-06-30 2008-10-29 キヤノン株式会社 駆動装置、画像表示装置及びテレビジョン装置
JP2006047997A (ja) * 2004-06-30 2006-02-16 Canon Inc 変調回路、駆動回路および出力方法
JP2006259663A (ja) 2004-06-30 2006-09-28 Canon Inc 画像処理方法、画像表示装置、映像受信表示装置および画像処理装置

Also Published As

Publication number Publication date
KR100765253B1 (ko) 2007-10-09
KR20060048759A (ko) 2006-05-18
US7468639B2 (en) 2008-12-23
US20060001500A1 (en) 2006-01-05

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