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US 12,031,078 B2Granted
Switching layer for use in an optical switching element
AssigneeMerck Patent GmbH
InventorsDong-Mee Song, Jung-Min Lee, Yong-Hyun Choi, Yong-Kuk Yun
Life of this patent
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Abstract
The present invention relates to a switching layer based on a liquid-crystalline mixture for use in an optical switching element. The invention also encompasses a switching element comprising the switching layer and a window element containing the switching element. The liquid crystalline mixture comprises a low-molecular liquid crystal component, a polymer component and a self-alignment additive for vertical alignment.
Claims11
A liquid-crystalline medium, which comprises
- a liquid-crystalline low-molecular-weight component,
- 10% by weight or more of a polymer component, which comprises a polymerisable or polymerised compound and
- a self-alignment additive for vertical alignment of the liquid crystalline medium.
Dependencies are inferred from the claim text.