GB2332297B - Method of driving a matrix-type display device - Google Patents

Method of driving a matrix-type display device

Info

Publication number
GB2332297B
GB2332297B GB9826964A GB9826964A GB2332297B GB 2332297 B GB2332297 B GB 2332297B GB 9826964 A GB9826964 A GB 9826964A GB 9826964 A GB9826964 A GB 9826964A GB 2332297 B GB2332297 B GB 2332297B
Authority
GB
United Kingdom
Prior art keywords
matrix
driving
display device
type display
type
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 - Fee Related
Application number
GB9826964A
Other languages
English (en)
Other versions
GB2332297A (en
GB9826964D0 (en
Inventor
Kazunari Tomizawa
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.)
UK Secretary of State for Defence
Sharp Corp
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence, Sharp Corp filed Critical UK Secretary of State for Defence
Publication of GB9826964D0 publication Critical patent/GB9826964D0/en
Publication of GB2332297A publication Critical patent/GB2332297A/en
Application granted granted Critical
Publication of GB2332297B publication Critical patent/GB2332297B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric 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
    • G09G3/2007—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
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant

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 (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
GB9826964A 1997-12-12 1998-12-09 Method of driving a matrix-type display device Expired - Fee Related GB2332297B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34344797A JP3910706B2 (ja) 1997-12-12 1997-12-12 マトリクス型強誘電性液晶表示装置の駆動方法

Publications (3)

Publication Number Publication Date
GB9826964D0 GB9826964D0 (en) 1999-02-03
GB2332297A GB2332297A (en) 1999-06-16
GB2332297B true GB2332297B (en) 2002-07-24

Family

ID=18361593

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9826964A Expired - Fee Related GB2332297B (en) 1997-12-12 1998-12-09 Method of driving a matrix-type display device

Country Status (2)

Country Link
JP (1) JP3910706B2 (ja)
GB (1) GB2332297B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7161569B2 (en) 2000-01-21 2007-01-09 Citizen Watch Co., Ltd. Driving method of liquid crystal display panel and liquid crystal display device
JP2003050566A (ja) * 2001-08-06 2003-02-21 Nec Corp 液晶表示装置
JP3882709B2 (ja) 2002-08-01 2007-02-21 日本ビクター株式会社 液晶表示装置の駆動方法
US7218300B2 (en) 2003-03-03 2007-05-15 Victor Company Of Japan, Ltd. Liquid crystal display and method of driving liquid crystal display

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4705345A (en) * 1985-04-03 1987-11-10 Stc Plc Addressing liquid crystal cells using unipolar strobe pulses
WO1989005025A1 (en) * 1987-11-18 1989-06-01 The Secretary Of State For Defence In Her Britanni Multiplex addressing of ferro-electric crystal displays

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4705345A (en) * 1985-04-03 1987-11-10 Stc Plc Addressing liquid crystal cells using unipolar strobe pulses
WO1989005025A1 (en) * 1987-11-18 1989-06-01 The Secretary Of State For Defence In Her Britanni Multiplex addressing of ferro-electric crystal displays

Also Published As

Publication number Publication date
GB2332297A (en) 1999-06-16
JP3910706B2 (ja) 2007-04-25
JPH11174410A (ja) 1999-07-02
GB9826964D0 (en) 1999-02-03

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20111027 AND 20111102

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20131209