Birefringent RM lens
AssigneeMerck Patent GmbH
InventorJoseph Sargent
Life of this patent
Estimating the term…
Abstract
The invention relates to a birefringent RM lens obtainable from a polymerizable liquid crystalline medium consisting of a polymerizable liquid crystalline component A, consisting of one or more polymerizable mesogenic compounds, and a non-polymerizable component B, consisting of one or more non-polymerizable compounds and to the use of such birefringent RM lenses in electro optical devices, such as liquid crystal displays (LCDs) or other optical or electrooptical devices, for decorative or security applications.
Claims24
A birefringent reactive mesogen lens obtainable from a polymerizable liquid crystalline medium consisting of:
- a polymerizable liquid crystalline component (A) consisting of one or more polymerizable mesogenic compounds, and
- a non-polymerizable component (B) consisting of one or more non-polymerizable compounds,
- wherein said liquid crystalline medium exhibits a homogeneous planar alignment throughout the whole lens, and wherein said lens has a plano-convex shape, and
- wherein the amount of the polymerizable liquid crystalline component (A) in the liquid crystalline medium is more than 95% by weight of the total liquid crystalline medium.
A birefringent reactive mesogen lens obtainable from a polymerizable liquid crystalline medium consisting of:
- a polymerizable liquid crystalline component (A) consisting of one or more polymerizable mesogenic compounds, and
- a non-polymerizable component (B) consisting of one or more non-polymerizable compounds,
- wherein said liquid crystalline medium exhibits a homogeneous planar alignment throughout the whole lens, and wherein said lens has a plano-convex shape, and
- wherein said birefringent reactive mesogen lens has a birefringence (An) in the range from 0.18 to 0.40.
A birefringent reactive mesogen lens obtainable from a polymerizable liquid crystalline medium consisting of:
- a polymerizable liquid crystalline component (A) consisting of one or more polymerizable mesogenic compounds, and
- a non-polymerizable component (B) consisting of one or more non-polymerizable compounds,
- wherein said liquid crystalline medium exhibits a homogeneous planar alignment throughout the whole lens, and wherein said lens has a plano-convex shape, and
- wherein polymerizable liquid crystalline component (A) comprises one or more compounds selected from compounds (1), (2) and (4)-(16):
Dependencies are inferred from the claim text.