Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
optical filter
|
| gptkbp:application |
scientific instruments
3D film optical microscopy |
| gptkbp:brand |
gptkb:Polaroid_Corporation
|
| gptkbp:function |
reduces glare
blocks polarized light |
| https://www.w3.org/2000/01/rdf-schema#label |
Polaroid filter
|
| gptkbp:introducedIn |
1930s
|
| gptkbp:inventedBy |
gptkb:Edwin_H._Land
|
| gptkbp:material |
polyvinyl alcohol
iodine crystals |
| gptkbp:used_in |
photography
sunglasses LCD screens |
| gptkbp:usedFor |
polarizing light
|
| gptkbp:bfsParent |
gptkb:Nicol_prism
|
| gptkbp:bfsLayer |
6
|