CH610487B5 - - Google Patents

Info

Publication number
CH610487B5
CH610487B5 CH181376A CH181376A CH610487B5 CH 610487 B5 CH610487 B5 CH 610487B5 CH 181376 A CH181376 A CH 181376A CH 181376 A CH181376 A CH 181376A CH 610487 B5 CH610487 B5 CH 610487B5
Authority
CH
Switzerland
Application number
CH181376A
Other versions
CH610487GA3 (pm
Inventor
Bela Somogyi
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of CH610487GA3 publication Critical patent/CH610487GA3/xx
Publication of CH610487B5 publication Critical patent/CH610487B5/xx

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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CH181376A 1975-03-31 1976-02-13 CH610487B5 (pm)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/563,928 US3994564A (en) 1975-03-31 1975-03-31 Light pipe reflector for use in liquid crystal or other display

Publications (2)

Publication Number Publication Date
CH610487GA3 CH610487GA3 (pm) 1979-04-30
CH610487B5 true CH610487B5 (pm) 1979-10-15

Family

ID=24252470

Family Applications (1)

Application Number Title Priority Date Filing Date
CH181376A CH610487B5 (pm) 1975-03-31 1976-02-13

Country Status (2)

Country Link
US (1) US3994564A (pm)
CH (1) CH610487B5 (pm)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH600471A5 (pm) * 1976-06-24 1978-06-15 Bbc Brown Boveri & Cie
AT351615B (de) * 1975-12-03 1979-08-10 Siemens Ag Anordnung zur passiven helligkeitsverstaerkung von ein- oder mehrfarbigen anzeigevor- richtungen
CH608934B5 (de) * 1976-06-03 1979-10-31 Bbc Brown Boveri & Cie Elektro-optische anzeigevorrichtung
JPS5333132A (en) * 1976-09-09 1978-03-28 Canon Inc Illuminating device for camera display
GB2019050B (en) * 1978-03-22 1982-08-25 Citizen Watch Co Ltd Electronic watch module structure
US4252416A (en) * 1978-10-23 1981-02-24 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Optical instrument for gathering and distribution of light
US4310871A (en) * 1978-11-06 1982-01-12 Nissan Motor Co., Ltd. Illuminating device for instrument
DE2926341A1 (de) * 1979-06-29 1981-01-29 Siemens Ag Anordnung zur helligkeitsverstaerkung von passiven anzeigevorrichtungen
US4247928A (en) * 1979-10-17 1981-01-27 Timex Corporation Integral lightpipe and display holder for a timepiece
USRE33987E (en) * 1980-03-24 1992-07-07 Seiko Epson Corporation Backlighted liquid crystal display
US4487481A (en) * 1980-03-24 1984-12-11 Epson Corporation Backlighted liquid crystal display
JPS59119436U (ja) * 1983-01-29 1984-08-11 旭光学工業株式会社 カメラのフアインダ内情報表示装置
US4573766A (en) * 1983-12-19 1986-03-04 Cordis Corporation LED Staggered back lighting panel for LCD module
JP2595067B2 (ja) * 1988-08-18 1997-03-26 東ソー株式会社 液晶パネル用バックライト
US4978952A (en) * 1989-02-24 1990-12-18 Collimated Displays Incorporated Flat screen color video display
FR2684476A1 (fr) * 1991-11-30 1993-06-04 Meitaku Syst Kk Panneau a eclairage lateral et procede de fabrication de celui-ci.
US5349503A (en) * 1991-12-31 1994-09-20 At&T Bell Laboratories Illuminated transparent display with microtextured back reflector
US5394255A (en) * 1992-01-27 1995-02-28 Sekisui Kagaku Kogyo Kabushiki Kaisha Liquid crystal display using a plurality of light adjusting sheets angled at 5 degrees or more
US5339179A (en) * 1992-10-01 1994-08-16 International Business Machines Corp. Edge-lit transflective non-emissive display with angled interface means on both sides of light conducting panel
DE19512079A1 (de) * 1995-04-03 1996-10-10 Mannesmann Ag Bildschirmgerät
US5760754A (en) * 1995-12-04 1998-06-02 Motorola, Inc. Light pipe assembly and electrical device using same
US6036327A (en) * 1997-07-28 2000-03-14 Lucent Technologies Inc. Transparent display with diffuser backed microtextured illuminating device and method of manufacture therefor
US6447135B1 (en) 1999-10-08 2002-09-10 3M Innovative Properties Company Lightguide having a directly secured reflector and method of making the same
US6845212B2 (en) * 1999-10-08 2005-01-18 3M Innovative Properties Company Optical element having programmed optical structures
US6356391B1 (en) 1999-10-08 2002-03-12 3M Innovative Properties Company Optical film with variable angle prisms
US7046905B1 (en) * 1999-10-08 2006-05-16 3M Innovative Properties Company Blacklight with structured surfaces
TW551502U (en) * 2001-09-14 2003-09-01 Chunghwa Picture Tubes Ltd Lamp tube apparatus of backlight module

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561885A (en) * 1945-05-31 1951-07-24 Gen Electric Illuminated dial
US3023304A (en) * 1958-08-07 1962-02-27 Sinclair Oil & Gas Company Shadow box
US3752974A (en) * 1971-12-13 1973-08-14 Coastal Dynamics Corp Uniform illumination with edge lighting
US3881809A (en) * 1972-03-10 1975-05-06 Hoffmann La Roche Reflection system for liquid crystal displays
US3840695A (en) * 1972-10-10 1974-10-08 Westinghouse Electric Corp Liquid crystal image display panel with integrated addressing circuitry
US3864905A (en) * 1973-11-14 1975-02-11 Hoffmann La Roche Horological instrument incorporating means for illuminating a liquid crystal display

Also Published As

Publication number Publication date
CH610487GA3 (pm) 1979-04-30
US3994564A (en) 1976-11-30

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Legal Events

Date Code Title Description
PL Patent ceased