DK169483A - OPTICAL LIGHT MANAGEMENT ELEMENT - Google Patents
OPTICAL LIGHT MANAGEMENT ELEMENT Download PDFInfo
- Publication number
- DK169483A DK169483A DK169483A DK169483A DK169483A DK 169483 A DK169483 A DK 169483A DK 169483 A DK169483 A DK 169483A DK 169483 A DK169483 A DK 169483A DK 169483 A DK169483 A DK 169483A
- Authority
- DK
- Denmark
- Prior art keywords
- wedge
- layer
- index
- refraction
- transparent material
- Prior art date
Links
Landscapes
- Planar Illumination Modules (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The optical element has the shape of a wedge 15 of transparent material, which receives light from outside through the end surface 14 of the wedge. The transparent material has an index of refraction n. At the top 19 of the wedge 15 there is a layer 16 of transparent material with an index of refraction smaller than the index of refraction n of the wedge 15, and on the outside of the transparent layer 16 there is a light-directing layer 17. The light-directing outer layer 17 can consist of a coat of white paint or be constituted with prisms which are mirror-coated on their outer surfaces facing away from the wedge 15. With this optical element, one achieves an approximately parallel-directed antiglare illumination from the bottom 18 of the wedge 15. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK169483A DK148852C (en) | 1983-04-18 | 1983-04-18 | OPTICAL LIGHT MANAGEMENT ELEMENT |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK169483 | 1983-04-18 | ||
DK169483A DK148852C (en) | 1983-04-18 | 1983-04-18 | OPTICAL LIGHT MANAGEMENT ELEMENT |
Publications (4)
Publication Number | Publication Date |
---|---|
DK169483D0 DK169483D0 (en) | 1983-04-18 |
DK169483A true DK169483A (en) | 1984-10-19 |
DK148852B DK148852B (en) | 1985-10-28 |
DK148852C DK148852C (en) | 1986-04-21 |
Family
ID=8107259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK169483A DK148852C (en) | 1983-04-18 | 1983-04-18 | OPTICAL LIGHT MANAGEMENT ELEMENT |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK148852C (en) |
-
1983
- 1983-04-18 DK DK169483A patent/DK148852C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK169483D0 (en) | 1983-04-18 |
DK148852B (en) | 1985-10-28 |
DK148852C (en) | 1986-04-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |