GB9316785D0 - Light guide - Google Patents

Light guide

Info

Publication number
GB9316785D0
GB9316785D0 GB939316785A GB9316785A GB9316785D0 GB 9316785 D0 GB9316785 D0 GB 9316785D0 GB 939316785 A GB939316785 A GB 939316785A GB 9316785 A GB9316785 A GB 9316785A GB 9316785 D0 GB9316785 D0 GB 9316785D0
Authority
GB
United Kingdom
Prior art keywords
light guide
guide
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.)
Withdrawn
Application number
GB939316785A
Other versions
GB2269928A (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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of GB9316785D0 publication Critical patent/GB9316785D0/en
Publication of GB2269928A publication Critical patent/GB2269928A/en
Withdrawn legal-status Critical Current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
    • G02B6/0023—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
GB9316785A 1992-08-18 1993-08-12 Display Withdrawn GB2269928A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI923695A FI91810C (en) 1992-08-18 1992-08-18 The light-guide

Publications (2)

Publication Number Publication Date
GB9316785D0 true GB9316785D0 (en) 1993-09-29
GB2269928A GB2269928A (en) 1994-02-23

Family

ID=8535727

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9316785A Withdrawn GB2269928A (en) 1992-08-18 1993-08-12 Display

Country Status (2)

Country Link
FI (1) FI91810C (en)
GB (1) GB2269928A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4216577B2 (en) * 2002-12-20 2009-01-28 シチズン電子株式会社 Light guide plate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3643841A1 (en) * 1986-12-20 1988-06-30 Bosch Gmbh Robert DISPLAY DEVICE WITH LIQUID CRYSTAL CELL
US4874228A (en) * 1987-03-24 1989-10-17 Minnesota Mining And Manufacturing Company Back-lit display
US4798448A (en) * 1988-02-16 1989-01-17 General Electric Company High efficiency illumination system for display devices
US4994941A (en) * 1989-01-03 1991-02-19 Wen Hung Sheng Sign of character and figure
JPH02245788A (en) * 1989-03-20 1990-10-01 Hitachi Ltd Thin plane light source device with uniform brightness

Also Published As

Publication number Publication date
FI923695A0 (en) 1992-08-18
FI91810C (en) 1994-08-10
FI923695A (en) 1994-02-19
GB2269928A (en) 1994-02-23
FI91810B (en) 1994-04-29

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)