GB9021186D0 - Surface luminois source panel - Google Patents

Surface luminois source panel

Info

Publication number
GB9021186D0
GB9021186D0 GB909021186A GB9021186A GB9021186D0 GB 9021186 D0 GB9021186 D0 GB 9021186D0 GB 909021186 A GB909021186 A GB 909021186A GB 9021186 A GB9021186 A GB 9021186A GB 9021186 D0 GB9021186 D0 GB 9021186D0
Authority
GB
United Kingdom
Prior art keywords
luminois
source panel
panel
source
surface luminois
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.)
Granted
Application number
GB909021186A
Other versions
GB2238377A (en
GB2238377B (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.)
MEITAKU SYST KK
Meitaku Shisutemu KK
Original Assignee
MEITAKU SYST KK
Meitaku Shisutemu KK
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 MEITAKU SYST KK, Meitaku Shisutemu KK filed Critical MEITAKU SYST KK
Publication of GB9021186D0 publication Critical patent/GB9021186D0/en
Publication of GB2238377A publication Critical patent/GB2238377A/en
Application granted granted Critical
Publication of GB2238377B publication Critical patent/GB2238377B/en
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
    • G09F13/00—Illuminated signs; Luminous advertising
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/1804—Achieving homogeneous illumination
    • G09F2013/1809—Achieving homogeneous illumination using a non-homogeneous front window
    • G09F2013/1813—Achieving homogeneous illumination using a non-homogeneous front window provided with a coating showing a pattern of dots of variable density

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
GB9021186A 1989-09-30 1990-09-28 Surface luminous source panel Expired - Fee Related GB2238377B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1256820A JP2620981B2 (en) 1989-09-30 1989-09-30 Edge light panel for LCD backlight

Publications (3)

Publication Number Publication Date
GB9021186D0 true GB9021186D0 (en) 1990-11-14
GB2238377A GB2238377A (en) 1991-05-29
GB2238377B GB2238377B (en) 1993-04-21

Family

ID=17297889

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9021186A Expired - Fee Related GB2238377B (en) 1989-09-30 1990-09-28 Surface luminous source panel

Country Status (5)

Country Link
JP (1) JP2620981B2 (en)
KR (1) KR940001116B1 (en)
DE (1) DE4030808C2 (en)
FR (1) FR2652667A1 (en)
GB (1) GB2238377B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262928A (en) * 1991-02-21 1993-11-16 Tosoh Corporation Back lighting device
DE4135506C2 (en) * 1991-10-28 1994-06-16 Triumph Adler Ag Backlit display device and method for manufacturing a diffusing sheet for such a display device
JP2580451Y2 (en) * 1992-02-20 1998-09-10 株式会社エンプラス Surface light source device
FR2684476A1 (en) * 1991-11-30 1993-06-04 Meitaku Syst Kk LATERAL LIGHTING PANEL AND METHOD OF MANUFACTURING THE SAME.
GB9317086D0 (en) * 1993-08-17 1993-09-29 Robertson Stowe Ltd Planar illumination apparatus
TW454922U (en) * 1994-03-23 2001-09-11 Tosoh Corp Rear side irradiation light
DE19902473A1 (en) * 1998-12-22 2000-07-06 Mannesmann Vdo Ag Display device
JP2001117516A (en) 1999-10-15 2001-04-27 Ichiyosha:Kk Surface light-emitting display panel
JP2007234522A (en) * 2006-03-03 2007-09-13 Minebea Co Ltd Discharge lamp lighting device
DE102009051534A1 (en) 2009-10-31 2011-05-05 GM Global Technology Operations LLC, Detroit Light guiding plate for lighting device of flat display of display device of vehicle, has light scattering impurities arranged in sub region of surface of light guiding plate and partially in volume of light guiding plate

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7222668U (en) * 1972-10-05 Schmidt A lamp
US3043947A (en) * 1960-04-08 1962-07-10 Gen Electric Light distributing lens system
US3328570A (en) * 1965-04-09 1967-06-27 Gen Electric Illuminated panel member
JPS57128383A (en) * 1981-02-02 1982-08-09 Mitsubishi Electric Corp Surface lighting apparatus
JPH0620232B2 (en) * 1981-03-30 1994-03-16 キヤノン株式会社 Image processing device
JPS5885434A (en) * 1981-11-17 1983-05-21 Canon Inc Image recording system
JPS58114569A (en) * 1981-12-26 1983-07-07 Canon Inc Picture processing device for color printer
JPS5952969A (en) * 1982-09-20 1984-03-27 Nippon Telegr & Teleph Corp <Ntt> System for processing half tone record in color recording
JPH0675990B2 (en) * 1983-12-28 1994-09-28 キヤノン株式会社 Color image forming method
JPS60205576A (en) * 1984-03-30 1985-10-17 東芝ライテック株式会社 Lighting apparatus
US4714983A (en) * 1985-06-10 1987-12-22 Motorola, Inc. Uniform emission backlight
JPS62902A (en) * 1985-06-26 1987-01-06 Mitsubishi Rayon Co Ltd Light diffuser
FR2597642B1 (en) * 1986-04-18 1990-01-12 Blanchet Pierre LIGHT DISPLAY DEVICE FOR TRANSLUCENT DOCUMENTS
JPH0412552Y2 (en) * 1986-05-27 1992-03-26
GB2196100B (en) * 1986-10-01 1990-07-04 Mitsubishi Rayon Co Light diffusing device
JPH0742909B2 (en) * 1987-02-25 1995-05-15 三菱電機株式会社 Switch control device for starting motor
JPH0748093B2 (en) * 1987-12-25 1995-05-24 三菱レイヨン株式会社 Surface light source element
JPS63309918A (en) * 1988-04-25 1988-12-19 Tatsuji Mizobe Back light device
JPH0670882B2 (en) * 1988-08-23 1994-09-07 株式会社明拓システム Edge light panel using single plate
JPH02245788A (en) * 1989-03-20 1990-10-01 Hitachi Ltd Thin plane light source device with uniform brightness
JPH0311502A (en) * 1989-06-08 1991-01-18 Fujitsu Ltd Lighting device
JPH0389295A (en) * 1989-08-31 1991-04-15 Nissha Printing Co Ltd Surface light source device

Also Published As

Publication number Publication date
DE4030808A1 (en) 1991-04-11
JP2620981B2 (en) 1997-06-18
DE4030808C2 (en) 1996-07-18
KR940001116B1 (en) 1994-02-14
FR2652667B1 (en) 1995-03-24
GB2238377A (en) 1991-05-29
FR2652667A1 (en) 1991-04-05
GB2238377B (en) 1993-04-21
KR910006907A (en) 1991-04-30
JPH03118594A (en) 1991-05-21

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Legal Events

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

Effective date: 19960928