GB2359178B - Improvements in and relating to display units - Google Patents

Improvements in and relating to display units

Info

Publication number
GB2359178B
GB2359178B GB0027451A GB0027451A GB2359178B GB 2359178 B GB2359178 B GB 2359178B GB 0027451 A GB0027451 A GB 0027451A GB 0027451 A GB0027451 A GB 0027451A GB 2359178 B GB2359178 B GB 2359178B
Authority
GB
United Kingdom
Prior art keywords
relating
display units
units
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 - Fee Related
Application number
GB0027451A
Other versions
GB0027451D0 (en
GB2359178A (en
Inventor
Brian Morgan
David Brent Guard
Keith Michael Read
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.)
BRITISH IND GRAPHICS Ltd
IFM Co INTERNAT Ltd
Original Assignee
BRITISH IND GRAPHICS Ltd
IFM Co INTERNAT 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
Application filed by BRITISH IND GRAPHICS Ltd, IFM Co INTERNAT Ltd filed Critical BRITISH IND GRAPHICS Ltd
Publication of GB0027451D0 publication Critical patent/GB0027451D0/en
Publication of GB2359178A publication Critical patent/GB2359178A/en
Application granted granted Critical
Publication of GB2359178B publication Critical patent/GB2359178B/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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • 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
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • 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
    • G09G2300/02—Composition of display devices
    • G09G2300/023—Display panel composed of stacked panels
GB0027451A 1999-11-13 2000-11-10 Improvements in and relating to display units Expired - Fee Related GB2359178B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9926797.3A GB9926797D0 (en) 1999-11-13 1999-11-13 Improvements in and relating to display units

Publications (3)

Publication Number Publication Date
GB0027451D0 GB0027451D0 (en) 2000-12-27
GB2359178A GB2359178A (en) 2001-08-15
GB2359178B true GB2359178B (en) 2003-09-10

Family

ID=10864417

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9926797.3A Ceased GB9926797D0 (en) 1999-11-13 1999-11-13 Improvements in and relating to display units
GB0027451A Expired - Fee Related GB2359178B (en) 1999-11-13 2000-11-10 Improvements in and relating to display units

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9926797.3A Ceased GB9926797D0 (en) 1999-11-13 1999-11-13 Improvements in and relating to display units

Country Status (1)

Country Link
GB (2) GB9926797D0 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8077154B2 (en) 2007-08-13 2011-12-13 Motorola Mobility, Inc. Electrically non-interfering printing for electronic devices having capacitive touch sensors
US8139195B2 (en) 2007-12-19 2012-03-20 Motorola Mobility, Inc. Field effect mode electro-optical device having a quasi-random photospacer arrangement
US8957863B2 (en) 2007-06-22 2015-02-17 Google Technology Holdings LLC Colored morphing apparatus for an electronic device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0413121D0 (en) 2004-06-11 2004-07-14 Pelikon Ltd Improved displays
US8698979B2 (en) 2004-06-11 2014-04-15 Mflex Uk Limited Electroluminescent displays
US7327283B2 (en) 2005-08-08 2008-02-05 The Boeing Company System and apparatus for flight deck module integration
US20080204418A1 (en) * 2007-02-27 2008-08-28 Adam Cybart Adaptable User Interface and Mechanism for a Portable Electronic Device
US8902152B2 (en) 2007-04-30 2014-12-02 Motorola Mobility Llc Dual sided electrophoretic display
US8059232B2 (en) 2008-02-08 2011-11-15 Motorola Mobility, Inc. Electronic device and LC shutter for polarization-sensitive switching between transparent and diffusive states
WO2009115775A1 (en) * 2008-03-15 2009-09-24 Pelikon Limited Driving displays

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869195A (en) * 1973-07-02 1975-03-04 Itek Corp Liquid crystal display containing segmented source of back-lighting
GB2314196A (en) * 1995-04-18 1997-12-17 Cambridge Display Tech Ltd A display
US5724062A (en) * 1992-08-05 1998-03-03 Cree Research, Inc. High resolution, high brightness light emitting diode display and method and producing the same
GB2348039A (en) * 1999-03-17 2000-09-20 Motorola Inc Display with aligned optical shutter and backlight cells
US6144359A (en) * 1998-03-30 2000-11-07 Rockwell Science Center Liquid crystal displays utilizing polymer dispersed liquid crystal devices for enhanced performance and reduced power
US6151004A (en) * 1996-08-19 2000-11-21 Citizen Watch Co., Ltd. Color display system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869195A (en) * 1973-07-02 1975-03-04 Itek Corp Liquid crystal display containing segmented source of back-lighting
US5724062A (en) * 1992-08-05 1998-03-03 Cree Research, Inc. High resolution, high brightness light emitting diode display and method and producing the same
GB2314196A (en) * 1995-04-18 1997-12-17 Cambridge Display Tech Ltd A display
US6151004A (en) * 1996-08-19 2000-11-21 Citizen Watch Co., Ltd. Color display system
US6144359A (en) * 1998-03-30 2000-11-07 Rockwell Science Center Liquid crystal displays utilizing polymer dispersed liquid crystal devices for enhanced performance and reduced power
GB2348039A (en) * 1999-03-17 2000-09-20 Motorola Inc Display with aligned optical shutter and backlight cells

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8957863B2 (en) 2007-06-22 2015-02-17 Google Technology Holdings LLC Colored morphing apparatus for an electronic device
US9122092B2 (en) 2007-06-22 2015-09-01 Google Technology Holdings LLC Colored morphing apparatus for an electronic device
US8077154B2 (en) 2007-08-13 2011-12-13 Motorola Mobility, Inc. Electrically non-interfering printing for electronic devices having capacitive touch sensors
US8139195B2 (en) 2007-12-19 2012-03-20 Motorola Mobility, Inc. Field effect mode electro-optical device having a quasi-random photospacer arrangement

Also Published As

Publication number Publication date
GB0027451D0 (en) 2000-12-27
GB9926797D0 (en) 2000-01-12
GB2359178A (en) 2001-08-15

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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: 20051110