FI923695A - Valo-ohjain - Google Patents
Valo-ohjain Download PDFInfo
- 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
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)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3643841A1 (de) * | 1986-12-20 | 1988-06-30 | Bosch Gmbh Robert | Anzeigevorrichtung mit fluessigkristallzelle |
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 |
-
1992
- 1992-08-18 FI FI923695A patent/FI91810C/fi active
-
1993
- 1993-08-12 GB GB9316785A patent/GB2269928A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FI923695A0 (fi) | 1992-08-18 |
FI91810C (fi) | 1994-08-10 |
GB9316785D0 (en) | 1993-09-29 |
GB2269928A (en) | 1994-02-23 |
FI91810B (fi) | 1994-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application |