DE3621524C2 - - Google Patents

Info

Publication number
DE3621524C2
DE3621524C2 DE3621524A DE3621524A DE3621524C2 DE 3621524 C2 DE3621524 C2 DE 3621524C2 DE 3621524 A DE3621524 A DE 3621524A DE 3621524 A DE3621524 A DE 3621524A DE 3621524 C2 DE3621524 C2 DE 3621524C2
Authority
DE
Germany
Prior art keywords
frequency
signal
signals
alternating
duty cycle
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
DE3621524A
Other languages
German (de)
English (en)
Other versions
DE3621524A1 (de
Inventor
Koki Osaka Jp Taniguchi
Tamaki Nara Jp Mashiba
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.)
Sharp Corp
Original Assignee
Sharp 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
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of DE3621524A1 publication Critical patent/DE3621524A1/de
Application granted granted Critical
Publication of DE3621524C2 publication Critical patent/DE3621524C2/de
Granted 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
    • G09G3/36—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
DE19863621524 1985-06-28 1986-06-27 Ansteuereinrichtung fuer eine fluessigkristallvorrichtung Granted DE3621524A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60143570A JPS623229A (ja) 1985-06-28 1985-06-28 液晶駆動方式

Publications (2)

Publication Number Publication Date
DE3621524A1 DE3621524A1 (de) 1987-01-08
DE3621524C2 true DE3621524C2 (US06168776-20010102-C00041.png) 1991-10-02

Family

ID=15341820

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863621524 Granted DE3621524A1 (de) 1985-06-28 1986-06-27 Ansteuereinrichtung fuer eine fluessigkristallvorrichtung

Country Status (4)

Country Link
US (1) US4955696A (US06168776-20010102-C00041.png)
JP (1) JPS623229A (US06168776-20010102-C00041.png)
DE (1) DE3621524A1 (US06168776-20010102-C00041.png)
GB (1) GB2177841B (US06168776-20010102-C00041.png)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63198097A (ja) * 1987-02-13 1988-08-16 セイコーインスツルメンツ株式会社 非線形２端子型アクテイブマトリクス表示装置
US4963860A (en) * 1988-02-01 1990-10-16 General Electric Company Integrated matrix display circuitry
JPH0681287B2 (ja) * 1988-07-15 1994-10-12 シャープ株式会社 液晶投射装置
JP2534334B2 (ja) * 1988-11-18 1996-09-11 シャープ株式会社 表示装置
US5266936A (en) * 1989-05-09 1993-11-30 Nec Corporation Driving circuit for liquid crystal display
JPH02302722A (ja) * 1989-05-17 1990-12-14 Hitachi Ltd 液晶表示装置
US5731796A (en) * 1992-10-15 1998-03-24 Hitachi, Ltd. Liquid crystal display driving method/driving circuit capable of being driven with equal voltages
US5572211A (en) * 1994-01-18 1996-11-05 Vivid Semiconductor, Inc. Integrated circuit for driving liquid crystal display using multi-level D/A converter
US5510748A (en) * 1994-01-18 1996-04-23 Vivid Semiconductor, Inc. Integrated circuit having different power supplies for increased output voltage range while retaining small device geometries
US5465054A (en) * 1994-04-08 1995-11-07 Vivid Semiconductor, Inc. High voltage CMOS logic using low voltage CMOS process
US5528256A (en) * 1994-08-16 1996-06-18 Vivid Semiconductor, Inc. Power-saving circuit and method for driving liquid crystal display
US5604449A (en) * 1996-01-29 1997-02-18 Vivid Semiconductor, Inc. Dual I/O logic for high voltage CMOS circuit using low voltage CMOS processes
JPH09325319A (ja) * 1996-06-07 1997-12-16 Sharp Corp 単純マトリクス型液晶表示装置およびその駆動回路
US5754156A (en) * 1996-09-19 1998-05-19 Vivid Semiconductor, Inc. LCD driver IC with pixel inversion operation
US6329974B1 (en) * 1998-04-30 2001-12-11 Agilent Technologies, Inc. Electro-optical material-based display device having analog pixel drivers
FI110167B (fi) * 1999-02-08 2002-12-13 Exel Oy Pikalukittavalla vaihtosommalla varustettu sauva
US6346900B1 (en) 1999-12-10 2002-02-12 Winbond Electronics Corporation Driving circuit
US6344814B1 (en) 1999-12-10 2002-02-05 Winbond Electronics Corporation Driving circuit

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5731148B2 (US06168776-20010102-C00041.png) * 1973-05-15 1982-07-02
US4048633A (en) * 1974-03-13 1977-09-13 Tokyo Shibaura Electric Co., Ltd. Liquid crystal driving system
US4121203A (en) * 1977-03-11 1978-10-17 Harris Corporation Method of multiplexing liquid crystal displays
JPS6051714B2 (ja) * 1977-03-29 1985-11-15 セイコーエプソン株式会社 液晶表示装置駆動回路
US4121303A (en) * 1977-10-17 1978-10-24 Reece Lawrence L Lightshielding hood for an electrical instrument
NL7902111A (nl) * 1979-03-16 1980-09-18 Philips Nv Inrichting voor het delen van een terugkerend ingangs- signaal door een gebroken faktor f, met name voor f=n-1/2.
JPS5821793A (ja) * 1981-07-31 1983-02-08 セイコーエプソン株式会社 液晶表示装置
JPS60222825A (ja) * 1984-04-20 1985-11-07 Citizen Watch Co Ltd 液晶マトリクス表示パネルの駆動方法
JP2609583B2 (ja) * 1984-11-02 1997-05-14 株式会社日立製作所 液晶表示装置
GB2165984B (en) * 1984-10-11 1988-05-05 Hitachi Ltd Liquid crystal display device

Also Published As

Publication number Publication date
GB2177841A (en) 1987-01-28
GB2177841B (en) 1989-12-06
GB8615918D0 (en) 1986-08-06
JPS623229A (ja) 1987-01-09
DE3621524A1 (de) 1987-01-08
US4955696A (en) 1990-09-11

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition