FR1145934A - Improvements to the illumination of transparent plates by curling light - Google Patents

Improvements to the illumination of transparent plates by curling light

Info

Publication number
FR1145934A
FR1145934A FR1145934DA FR1145934A FR 1145934 A FR1145934 A FR 1145934A FR 1145934D A FR1145934D A FR 1145934DA FR 1145934 A FR1145934 A FR 1145934A
Authority
FR
France
Prior art keywords
illumination
transparent plates
curling
light
curling light
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
Other languages
French (fr)
Inventor
Stephen Grebel
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.)
NEC Corp
Original Assignee
NEC 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
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of FR1145934A publication Critical patent/FR1145934A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G—PHYSICS
    • G12—INSTRUMENT DETAILS
    • G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G12B11/00—Indicating elements; Illumination thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1145934D 1956-03-22 1956-03-22 Improvements to the illumination of transparent plates by curling light Expired FR1145934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1145934T 1956-03-22

Publications (1)

Publication Number Publication Date
FR1145934A true FR1145934A (en) 1957-10-30

Family

ID=9645143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1145934D Expired FR1145934A (en) 1956-03-22 1956-03-22 Improvements to the illumination of transparent plates by curling light

Country Status (1)

Country Link
FR (1) FR1145934A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1198754B (en) * 1960-04-08 1965-08-19 Gen Electric Light distribution arrangement
EP0006361A1 (en) * 1978-06-21 1980-01-09 Nissan Motor Co., Ltd. An illuminated indicator gauge
EP0029638A1 (en) * 1979-11-27 1981-06-03 Combined Optical Industries Limited Laminar light guide and an instrument display means comprising such a light guide
US5667289A (en) * 1989-05-18 1997-09-16 Seiko Epson Corporation Background lighting apparatus for liquid crystal display
US5949505A (en) * 1992-07-13 1999-09-07 Seiko Epson Corporation Surface-type illumination device and liquid crystal display
US5997148A (en) * 1997-06-04 1999-12-07 Enplas Corporation Surface light source device of side light type
US9593084B2 (en) 2012-12-17 2017-03-14 Parion Sciences, Inc. Chloro-pyrazine carboxamide derivatives with epithelial sodium channel blocking activity
DE102008023623B4 (en) * 2007-05-16 2019-05-29 Yazaki Corporation display device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1198754B (en) * 1960-04-08 1965-08-19 Gen Electric Light distribution arrangement
EP0006361A1 (en) * 1978-06-21 1980-01-09 Nissan Motor Co., Ltd. An illuminated indicator gauge
EP0029638A1 (en) * 1979-11-27 1981-06-03 Combined Optical Industries Limited Laminar light guide and an instrument display means comprising such a light guide
US5667289A (en) * 1989-05-18 1997-09-16 Seiko Epson Corporation Background lighting apparatus for liquid crystal display
US5931555A (en) * 1989-05-18 1999-08-03 Seiko Epson Corporation Background lighting apparatus for liquid crystal display
US5949505A (en) * 1992-07-13 1999-09-07 Seiko Epson Corporation Surface-type illumination device and liquid crystal display
US5997148A (en) * 1997-06-04 1999-12-07 Enplas Corporation Surface light source device of side light type
DE102008023623B4 (en) * 2007-05-16 2019-05-29 Yazaki Corporation display device
US9593084B2 (en) 2012-12-17 2017-03-14 Parion Sciences, Inc. Chloro-pyrazine carboxamide derivatives with epithelial sodium channel blocking activity

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