FR2608301B1 - Source hybride de lumiere incandescente/fluorescente pour dispositif de visualisation a cristaux liquides - Google Patents

Source hybride de lumiere incandescente/fluorescente pour dispositif de visualisation a cristaux liquides

Info

Publication number
FR2608301B1
FR2608301B1 FR8717425A FR8717425A FR2608301B1 FR 2608301 B1 FR2608301 B1 FR 2608301B1 FR 8717425 A FR8717425 A FR 8717425A FR 8717425 A FR8717425 A FR 8717425A FR 2608301 B1 FR2608301 B1 FR 2608301B1
Authority
FR
France
Prior art keywords
incandescent
hybrid
liquid crystal
display device
light source
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
FR8717425A
Other languages
English (en)
French (fr)
Other versions
FR2608301A1 (fr
Inventor
Elias Savas Haim
Francis L Leard
Richard Alan Anderson
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of FR2608301A1 publication Critical patent/FR2608301A1/fr
Application granted granted Critical
Publication of FR2608301B1 publication Critical patent/FR2608301B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • 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
    • G02F1/133604—Direct backlight with lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Liquid Crystal Display Device Control (AREA)
FR8717425A 1986-12-15 1987-12-14 Source hybride de lumiere incandescente/fluorescente pour dispositif de visualisation a cristaux liquides Expired - Fee Related FR2608301B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94468886A 1986-12-15 1986-12-15

Publications (2)

Publication Number Publication Date
FR2608301A1 FR2608301A1 (fr) 1988-06-17
FR2608301B1 true FR2608301B1 (fr) 1992-09-18

Family

ID=25481881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8717425A Expired - Fee Related FR2608301B1 (fr) 1986-12-15 1987-12-14 Source hybride de lumiere incandescente/fluorescente pour dispositif de visualisation a cristaux liquides

Country Status (5)

Country Link
JP (1) JPH01170916A (sv)
DE (1) DE3742245A1 (sv)
FR (1) FR2608301B1 (sv)
GB (1) GB2199645B (sv)
SE (1) SE465848B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4137260A1 (de) * 1991-11-13 1993-05-19 Bosch Gmbh Robert Fluessigkristallanzeigenanordnung
DE29809655U1 (de) * 1998-05-29 1998-12-10 Steinel Gmbh & Co Kg Strahler
DE19849244A1 (de) * 1998-10-26 2000-04-27 Mannesmann Vdo Ag Beleuchtungsvorrichtung für eine Anzeige

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB486418A (en) * 1937-02-20 1938-06-02 British Thomson Houston Co Ltd Improvements in means for producing light comprising in combination an electric discharge lamp and an electric incandescent lamp whose filament is in series with the discharge path
JPS61109485U (sv) * 1984-12-24 1986-07-11
JPS61188848A (ja) * 1985-02-15 1986-08-22 Toshiba Corp けい光ランプ装置
JPS62198046A (ja) * 1986-02-25 1987-09-01 Nissan Motor Co Ltd 車両用前照灯

Also Published As

Publication number Publication date
JPH01170916A (ja) 1989-07-06
DE3742245A1 (de) 1988-06-23
FR2608301A1 (fr) 1988-06-17
SE8704830D0 (sv) 1987-12-02
GB2199645B (en) 1991-05-22
GB2199645A (en) 1988-07-13
GB8728737D0 (en) 1988-01-27
SE465848B (sv) 1991-11-04
SE8704830L (sv) 1988-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse