GB2185140B - Arrangement to minimize reflected ambient light in a display - Google Patents

Arrangement to minimize reflected ambient light in a display

Info

Publication number
GB2185140B
GB2185140B GB8630676A GB8630676A GB2185140B GB 2185140 B GB2185140 B GB 2185140B GB 8630676 A GB8630676 A GB 8630676A GB 8630676 A GB8630676 A GB 8630676A GB 2185140 B GB2185140 B GB 2185140B
Authority
GB
United Kingdom
Prior art keywords
arrangement
display
ambient light
reflected ambient
minimize reflected
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
GB8630676A
Other versions
GB8630676D0 (en
GB2185140A (en
Inventor
Richard William Nosker
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.)
RCA Corp
Original Assignee
RCA 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
Priority claimed from GB868600022A external-priority patent/GB8600022D0/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of GB8630676D0 publication Critical patent/GB8630676D0/en
Publication of GB2185140A publication Critical patent/GB2185140A/en
Application granted granted Critical
Publication of GB2185140B publication Critical patent/GB2185140B/en
Expired 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
    • G02F1/133504—Diffusing, scattering, diffracting elements

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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Details Of Measuring Devices (AREA)
GB8630676A 1986-01-02 1986-12-23 Arrangement to minimize reflected ambient light in a display Expired GB2185140B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868600022A GB8600022D0 (en) 1986-01-02 1986-01-02 Arrangement to minimize reflected ambient light
US06/898,112 US4660936A (en) 1986-01-02 1986-08-20 Arrangement to minimize reflected ambient light in a display

Publications (3)

Publication Number Publication Date
GB8630676D0 GB8630676D0 (en) 1987-02-04
GB2185140A GB2185140A (en) 1987-07-08
GB2185140B true GB2185140B (en) 1989-10-25

Family

ID=26290170

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8630676A Expired GB2185140B (en) 1986-01-02 1986-12-23 Arrangement to minimize reflected ambient light in a display

Country Status (3)

Country Link
DE (1) DE3644525A1 (en)
FR (1) FR2592515B1 (en)
GB (1) GB2185140B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5048931A (en) * 1988-11-01 1991-09-17 North American Philips Corporation Liquid crystal display projection system having improved contrast
JPH0798339A (en) * 1993-09-28 1995-04-11 Yutaka Denki Seisakusho:Kk Current detection pattern
DE102005043588A1 (en) * 2005-07-22 2007-02-01 Preh Gmbh Control element with a freely programmable symbolism for a motor vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799647A (en) * 1972-05-24 1974-03-26 Honeywell Inc Constant visibility electro-optic display
GB1453733A (en) * 1972-12-29 1976-10-27 Thomson Csf Electro-optical display devices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4171874A (en) * 1975-02-03 1979-10-23 General Electric Company Evenly illuminated display devices
JPS597928A (en) * 1982-07-06 1984-01-17 Alps Electric Co Ltd Transmission type liquid crystal display device
JPH0644464B2 (en) * 1983-10-05 1994-06-08 株式会社日立製作所 Display manufacturing method and glass plate manufacturing method used therefor
JPS60146590A (en) * 1984-01-10 1985-08-02 Citizen Watch Co Ltd Polychromatic image display device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799647A (en) * 1972-05-24 1974-03-26 Honeywell Inc Constant visibility electro-optic display
GB1453733A (en) * 1972-12-29 1976-10-27 Thomson Csf Electro-optical display devices

Also Published As

Publication number Publication date
DE3644525A1 (en) 1987-07-09
FR2592515B1 (en) 1991-03-15
FR2592515A1 (en) 1987-07-03
GB8630676D0 (en) 1987-02-04
GB2185140A (en) 1987-07-08

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Legal Events

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

Effective date: 19931223