GB2065354B - Addressing liquid crystal displays - Google Patents

Addressing liquid crystal displays

Info

Publication number
GB2065354B
GB2065354B GB7943264A GB7943264A GB2065354B GB 2065354 B GB2065354 B GB 2065354B GB 7943264 A GB7943264 A GB 7943264A GB 7943264 A GB7943264 A GB 7943264A GB 2065354 B GB2065354 B GB 2065354B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal displays
addressing liquid
addressing
displays
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
Application number
GB7943264A
Other versions
GB2065354A (en
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB7943264A priority Critical patent/GB2065354B/en
Publication of GB2065354A publication Critical patent/GB2065354A/en
Application granted granted Critical
Publication of GB2065354B publication Critical patent/GB2065354B/en
Expired 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
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0469—Details of the physics of pixel operation
    • G09G2300/0478—Details of the physics of pixel operation related to liquid crystal pixels
    • G09G2300/0482—Use of memory effects in nematic liquid crystals
    • G09G2300/0486—Cholesteric liquid crystals, including chiral-nematic liquid crystals, with transitions between focal conic, planar, and homeotropic states
    • 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

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)
GB7943264A 1979-12-14 1979-12-14 Addressing liquid crystal displays Expired GB2065354B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7943264A GB2065354B (en) 1979-12-14 1979-12-14 Addressing liquid crystal displays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7943264A GB2065354B (en) 1979-12-14 1979-12-14 Addressing liquid crystal displays

Publications (2)

Publication Number Publication Date
GB2065354A GB2065354A (en) 1981-06-24
GB2065354B true GB2065354B (en) 1983-04-13

Family

ID=10509872

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7943264A Expired GB2065354B (en) 1979-12-14 1979-12-14 Addressing liquid crystal displays

Country Status (1)

Country Link
GB (1) GB2065354B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0086551A3 (en) * 1982-02-01 1987-05-13 National Research Development Corporation Character display panels and panel devices
DE3235554A1 (en) * 1982-09-25 1984-03-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen CONNECTOR FOR MULTI-WIRE HYDRAULIC OR PNEUMATIC CABLES
US4547773A (en) * 1983-01-19 1985-10-15 National Research Development Corporation Character display panels and panel devices

Also Published As

Publication number Publication date
GB2065354A (en) 1981-06-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee