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GB8408995D0 - Back lit display device - Google Patents

Back lit display device

Info

Publication number
GB8408995D0
GB8408995D0 GB848408995A GB8408995A GB8408995D0 GB 8408995 D0 GB8408995 D0 GB 8408995D0 GB 848408995 A GB848408995 A GB 848408995A GB 8408995 A GB8408995 A GB 8408995A GB 8408995 D0 GB8408995 D0 GB 8408995D0
Authority
GB
United Kingdom
Prior art keywords
display device
lit display
back lit
lit
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.)
Withdrawn
Application number
GB848408995A
Other versions
GB2157049A (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 GB08408995A priority Critical patent/GB2157049A/en
Publication of GB8408995D0 publication Critical patent/GB8408995D0/en
Publication of GB2157049A publication Critical patent/GB2157049A/en
Withdrawn legal-status Critical Current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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
GB08408995A 1984-04-06 1984-04-06 Back lit display device Withdrawn GB2157049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08408995A GB2157049A (en) 1984-04-06 1984-04-06 Back lit display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08408995A GB2157049A (en) 1984-04-06 1984-04-06 Back lit display device

Publications (2)

Publication Number Publication Date
GB8408995D0 true GB8408995D0 (en) 1984-05-16
GB2157049A GB2157049A (en) 1985-10-16

Family

ID=10559316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08408995A Withdrawn GB2157049A (en) 1984-04-06 1984-04-06 Back lit display device

Country Status (1)

Country Link
GB (1) GB2157049A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5075993A (en) * 1984-06-13 1991-12-31 Stephen Weinreich Color display apparatus
US4765718A (en) * 1987-11-03 1988-08-23 General Electric Company Collimated light source for liquid crystal display utilizing internally reflecting light pipe collimator with offset angle correction
US4917465A (en) * 1989-03-28 1990-04-17 In Focus Systems, Inc. Color display system
US5142387A (en) * 1990-04-11 1992-08-25 Mitsubishi Denki Kabushiki Kaisha Projection-type display device having light source means including a first and second concave mirrors
US5706062A (en) * 1993-06-20 1998-01-06 Unic View Ltd. Projector system including keystone correction
US5617152A (en) * 1993-06-20 1997-04-01 Unic View Ltd. Projector system for video and computer generated information

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006968A (en) * 1975-05-02 1977-02-08 Hughes Aircraft Company Liquid crystal dot color display
GB2024443B (en) * 1978-03-22 1982-06-23 Marconi Co Ltd Coloured display systems
JPS55118077A (en) * 1979-03-05 1980-09-10 Hitachi Ltd Color display unit
GB2120396A (en) * 1982-05-06 1983-11-30 Standard Telephones Cables Ltd Transmission type liquid crystal display device

Also Published As

Publication number Publication date
GB2157049A (en) 1985-10-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)