GB2288671B - Liquid crystal display circuit and regulated power supply therefor - Google Patents

Liquid crystal display circuit and regulated power supply therefor

Info

Publication number
GB2288671B
GB2288671B GB9408041A GB9408041A GB2288671B GB 2288671 B GB2288671 B GB 2288671B GB 9408041 A GB9408041 A GB 9408041A GB 9408041 A GB9408041 A GB 9408041A GB 2288671 B GB2288671 B GB 2288671B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
power supply
crystal display
display circuit
regulated power
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
GB9408041A
Other versions
GB9408041D0 (en
GB2288671A (en
Inventor
Keith Charles Jordan
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.)
Delco Electronics Overseas Corp
Original Assignee
Delco Electronics Overseas 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 Delco Electronics Overseas Corp filed Critical Delco Electronics Overseas Corp
Priority to GB9408041A priority Critical patent/GB2288671B/en
Publication of GB9408041D0 publication Critical patent/GB9408041D0/en
Priority to DE1995114762 priority patent/DE19514762A1/en
Publication of GB2288671A publication Critical patent/GB2288671A/en
Application granted granted Critical
Publication of GB2288671B publication Critical patent/GB2288671B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
GB9408041A 1994-04-22 1994-04-22 Liquid crystal display circuit and regulated power supply therefor Expired - Fee Related GB2288671B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9408041A GB2288671B (en) 1994-04-22 1994-04-22 Liquid crystal display circuit and regulated power supply therefor
DE1995114762 DE19514762A1 (en) 1994-04-22 1995-04-21 Liquid crystal display circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9408041A GB2288671B (en) 1994-04-22 1994-04-22 Liquid crystal display circuit and regulated power supply therefor

Publications (3)

Publication Number Publication Date
GB9408041D0 GB9408041D0 (en) 1994-06-15
GB2288671A GB2288671A (en) 1995-10-25
GB2288671B true GB2288671B (en) 1998-04-01

Family

ID=10753982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9408041A Expired - Fee Related GB2288671B (en) 1994-04-22 1994-04-22 Liquid crystal display circuit and regulated power supply therefor

Country Status (2)

Country Link
DE (1) DE19514762A1 (en)
GB (1) GB2288671B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001242836A (en) * 2000-02-29 2001-09-07 Matsushita Electric Ind Co Ltd Liquid crystal display device
DE102005012973A1 (en) * 2005-03-21 2006-12-07 Siemens Ag Display unit with one LCD module and several drivers
DE102007008467A1 (en) * 2007-02-19 2008-08-21 Siemens Ag Method for displaying information by means of a display device and display device
US20090284513A1 (en) * 2008-05-19 2009-11-19 Paul Fredrick Weindorf Liquid crystal display control system and method
GB201110020D0 (en) * 2011-06-14 2011-07-27 Knorr Bremse Rail Systems Uk Ltd Information module

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037931A (en) * 1974-05-02 1977-07-26 Kabushiki Kaisha Suwa Seikosha Liquid crystal display cell driving circuit
GB2015227A (en) * 1977-12-29 1979-09-05 Shinshu Seiki Kk Electronic instrument display
US4199714A (en) * 1978-05-22 1980-04-22 Texas Instruments Incorporated Voltage regulator for integrated injection logic electronic system with liquid crystal display
US4687956A (en) * 1983-11-14 1987-08-18 Nippondenso Co., Ltd. Liquid crystal element driving apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024530C2 (en) * 1980-06-28 1982-06-16 Eurosil GmbH, 8000 München Liquid crystal control voltage circuit
US4622635A (en) * 1984-02-13 1986-11-11 Automated Controls Inc. Portable display and control terminal for wells

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037931A (en) * 1974-05-02 1977-07-26 Kabushiki Kaisha Suwa Seikosha Liquid crystal display cell driving circuit
GB2015227A (en) * 1977-12-29 1979-09-05 Shinshu Seiki Kk Electronic instrument display
US4199714A (en) * 1978-05-22 1980-04-22 Texas Instruments Incorporated Voltage regulator for integrated injection logic electronic system with liquid crystal display
US4687956A (en) * 1983-11-14 1987-08-18 Nippondenso Co., Ltd. Liquid crystal element driving apparatus

Also Published As

Publication number Publication date
GB9408041D0 (en) 1994-06-15
DE19514762A1 (en) 1995-10-26
GB2288671A (en) 1995-10-25

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120422