ID15863A - Perangkat sumber cahaya permukaan, dan perangkat tayangan kristal cair, peralatan tayangan tanda serta peralatan tayangan tanda lalu-lintas yang menggunakan perangkat sumber cahaya permukaan tersebut - Google Patents

Perangkat sumber cahaya permukaan, dan perangkat tayangan kristal cair, peralatan tayangan tanda serta peralatan tayangan tanda lalu-lintas yang menggunakan perangkat sumber cahaya permukaan tersebut

Info

Publication number
ID15863A
ID15863A IDP970307A ID970307A ID15863A ID 15863 A ID15863 A ID 15863A ID P970307 A IDP970307 A ID P970307A ID 970307 A ID970307 A ID 970307A ID 15863 A ID15863 A ID 15863A
Authority
ID
Indonesia
Prior art keywords
light source
traffic
source devices
equipment
devices
Prior art date
Application number
IDP970307A
Other languages
English (en)
Indonesian (id)
Inventor
Masaharu Oda
Issei Ghiba
Yasuko Hayashi
Original Assignee
Mitsubishi Rayon 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
Priority claimed from JP17512296A external-priority patent/JP3682124B2/ja
Application filed by Mitsubishi Rayon Co filed Critical Mitsubishi Rayon Co
Publication of ID15863A publication Critical patent/ID15863A/id

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
    • 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
    • G02B6/0035—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
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
    • 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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
IDP970307A 1996-02-01 1997-01-31 Perangkat sumber cahaya permukaan, dan perangkat tayangan kristal cair, peralatan tayangan tanda serta peralatan tayangan tanda lalu-lintas yang menggunakan perangkat sumber cahaya permukaan tersebut ID15863A (id)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4071996 1996-02-01
JP1692896 1996-02-01
JP17512296A JP3682124B2 (ja) 1996-07-04 1996-07-04 面光源素子

Publications (1)

Publication Number Publication Date
ID15863A true ID15863A (id) 1997-08-14

Family

ID=27281622

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP970307A ID15863A (id) 1996-02-01 1997-01-31 Perangkat sumber cahaya permukaan, dan perangkat tayangan kristal cair, peralatan tayangan tanda serta peralatan tayangan tanda lalu-lintas yang menggunakan perangkat sumber cahaya permukaan tersebut

Country Status (7)

Country Link
US (3) US6099135A (enExample)
EP (1) EP0882930B1 (enExample)
KR (1) KR19990082166A (enExample)
CN (1) CN1078335C (enExample)
DE (1) DE69740010D1 (enExample)
ID (1) ID15863A (enExample)
WO (1) WO1997028403A1 (enExample)

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Also Published As

Publication number Publication date
EP0882930A4 (en) 1999-03-31
US6244719B1 (en) 2001-06-12
CN1078335C (zh) 2002-01-23
WO1997028403A1 (en) 1997-08-07
US6099135A (en) 2000-08-08
US6332691B2 (en) 2001-12-25
US20010030861A1 (en) 2001-10-18
DE69740010D1 (de) 2010-11-11
CN1212042A (zh) 1999-03-24
EP0882930B1 (en) 2010-09-29
EP0882930A1 (en) 1998-12-09
KR19990082166A (ko) 1999-11-25
KR100409150B1 (enExample) 2004-02-18

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