GB2043318B - Liquid crystal display device - Google Patents

Liquid crystal display device

Info

Publication number
GB2043318B
GB2043318B GB7944189A GB7944189A GB2043318B GB 2043318 B GB2043318 B GB 2043318B GB 7944189 A GB7944189 A GB 7944189A GB 7944189 A GB7944189 A GB 7944189A GB 2043318 B GB2043318 B GB 2043318B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
display device
crystal display
liquid
display
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
GB7944189A
Other versions
GB2043318A (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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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
Priority claimed from JP16070478A external-priority patent/JPS5587194A/en
Priority claimed from JP8214879A external-priority patent/JPS567011A/en
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB2043318A publication Critical patent/GB2043318A/en
Application granted granted Critical
Publication of GB2043318B publication Critical patent/GB2043318B/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
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
    • G01R13/404—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values
    • G01R13/407—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of passive display elements, e.g. liquid crystal or Kerr-effect display elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
GB7944189A 1978-12-23 1979-12-21 Liquid crystal display device Expired GB2043318B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16070478A JPS5587194A (en) 1978-12-23 1978-12-23 Battery consumption detection in liquid crystal display circuit
JP8214879A JPS567011A (en) 1979-06-29 1979-06-29 Liquid crystal indicator driving system

Publications (2)

Publication Number Publication Date
GB2043318A GB2043318A (en) 1980-10-01
GB2043318B true GB2043318B (en) 1982-10-20

Family

ID=26423163

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7944189A Expired GB2043318B (en) 1978-12-23 1979-12-21 Liquid crystal display device

Country Status (3)

Country Link
DE (1) DE2951760C2 (en)
FR (1) FR2444956A1 (en)
GB (1) GB2043318B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3432247C2 (en) * 1984-09-01 1986-12-18 Mannesmann Kienzle GmbH, 7730 Villingen-Schwenningen Arrangement for displaying a malfunction of a liquid crystal display
DE3734979A1 (en) * 1986-10-16 1988-04-28 Olympus Optical Co ENDOSCOPE
IE59833B1 (en) * 1987-03-31 1994-04-06 Coralsun Enterprises Limited Pressure measuring and recording apparatus
US4965548A (en) * 1989-02-09 1990-10-23 Banner Engineering Corp. Level indicator with alarm
GB9009190D0 (en) * 1990-04-24 1990-06-20 Devilbiss The Company Limited Miniature electronic pressure gauge
KR19980035051A (en) * 1996-11-11 1998-08-05 구자홍 Room temperature and temperature display device and method of image display equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1354392A (en) * 1970-10-27 1974-06-05 Suwa Seikosha Kk Electronic timepieces and display means therefor
CH539315A (en) * 1971-12-03 1973-07-15 Bbc Brown Boveri & Cie Information carriers for projection purposes
JPS5840150B2 (en) * 1974-02-26 1983-09-03 シチズン時計株式会社 electronic clock
CH616822B5 (en) * 1973-05-10 1980-04-30 Ebauches Sa
JPS579756Y2 (en) * 1975-01-29 1982-02-24
JPS51128573A (en) * 1975-05-01 1976-11-09 Seiko Instr & Electronics Ltd Electronic timer with battery life dispay
US4110967A (en) * 1975-09-02 1978-09-05 Hiro Fujita Method and system for driving liquid crystal display device
JPS5282486A (en) * 1975-12-29 1977-07-09 Seiko Instr & Electronics Ltd Electronic watch

Also Published As

Publication number Publication date
DE2951760A1 (en) 1980-06-26
FR2444956B1 (en) 1984-11-30
GB2043318A (en) 1980-10-01
FR2444956A1 (en) 1980-07-18
DE2951760C2 (en) 1986-01-02

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931221