FI923695A - Valo-ohjain - Google Patents

Valo-ohjain Download PDF

Info

Publication number
FI923695A
FI923695A FI923695A FI923695A FI923695A FI 923695 A FI923695 A FI 923695A FI 923695 A FI923695 A FI 923695A FI 923695 A FI923695 A FI 923695A FI 923695 A FI923695 A FI 923695A
Authority
FI
Finland
Prior art keywords
light controller
controller
light
Prior art date
Application number
FI923695A
Other languages
English (en)
Swedish (sv)
Other versions
FI923695A0 (fi
FI91810B (fi
FI91810C (fi
Inventor
Anssi Saarikko
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
Priority to FI923695A priority Critical patent/FI91810C/fi
Publication of FI923695A0 publication Critical patent/FI923695A0/fi
Priority to GB9316785A priority patent/GB2269928A/en
Publication of FI923695A publication Critical patent/FI923695A/fi
Publication of FI91810B publication Critical patent/FI91810B/fi
Application granted granted Critical
Publication of FI91810C publication Critical patent/FI91810C/fi

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)
FI923695A 1992-08-18 1992-08-18 Valo-ohjain FI91810C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI923695A FI91810C (fi) 1992-08-18 1992-08-18 Valo-ohjain
GB9316785A GB2269928A (en) 1992-08-18 1993-08-12 Display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI923695A FI91810C (fi) 1992-08-18 1992-08-18 Valo-ohjain
FI923695 1992-08-18

Publications (4)

Publication Number Publication Date
FI923695A0 FI923695A0 (fi) 1992-08-18
FI923695A true FI923695A (fi) 1994-02-19
FI91810B FI91810B (fi) 1994-04-29
FI91810C FI91810C (fi) 1994-08-10

Family

ID=8535727

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923695A FI91810C (fi) 1992-08-18 1992-08-18 Valo-ohjain

Country Status (2)

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

Families Citing this family (1)

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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8634222U1 (fi) * 1986-12-20 1988-04-21 Robert Bosch Gmbh, 7000 Stuttgart, De
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 (ja) * 1989-03-20 1990-10-01 Hitachi Ltd 薄型平面状均一輝度光源装置

Also Published As

Publication number Publication date
FI923695A0 (fi) 1992-08-18
GB2269928A (en) 1994-02-23
FI91810B (fi) 1994-04-29
GB9316785D0 (en) 1993-09-29
FI91810C (fi) 1994-08-10

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Legal Events

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