Merck Patent Gmbh

Merck Patetn Gmbh

Dong-Mee Song

Seung-Eun Lee

Eun-Kyu Lee

Yong-Kuk Yun

Jung-Min Lee

Eun Young Kim

Kyung-Ah Park

Sang-Hyun Park

Hyun-Woo Bae

Yong-Hyun Choi

Hoo-Yong Lee

Matthias Bremer

Melanie Klasen-Memmer

Matthias Koch

Nils Greinert

Konstantin Schneider

Christian Schoenefeld

Ji-Won Jeong

Jae-Hyun Kang

Ki-Sun Kwon

Joerg Peschke

Chul-Hee Cho

Eun-Young Kim

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.

Switching layer for use in an optical switching element

A polymerisable LC material comprising at least one di- or multireactive mesogenic compound and at least one compound of formula CO-, wherein R, R, L, L, L, and n have the meanings as given in claim. Furthermore, a method for preparation of the LC material, a polymer film with improved thermal durability obtainable from the corresponding polymerisable LC material, a method of preparation of such polymer film, and the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices.

Polymerisable liquid crystal material and polymerised liquid crystal film

The invention relates to a liquid-crystalline medium having negative dielectric anisotropy comprising one or more compounds of formula I andone or more compounds selected from the group of the compounds of the formulae IIA, IIB and IIC, wherein the groups and parameters have the meanings indicated in claim, to a guest-host liquid crystal medium derived therefrom comprising one or more dichroic dyes and the use of said medium in devices such as light shutters, switchable windows, switchable mirrors and guest-host displays. The invention further relates to devices containing the liquid crystalline medium according to the invention.

Liquid-crystalline medium

The present invention relates to liquid crystalline (LC) medium, to a method of its production and to the use of such LC media in polymer network liquid crystalline (PNLC) light modulation elements operated in the normally transparent mode. Furthermore, the present invention relates to such light modulation elements, as such, to the use of such light modulation elements as light shutters for transparent OLED displays, to the use of such light modulation elements in smart windows, and to a method of production of such light modulation elements according to the present invention.

Liquid-crystal media and light modulation element

The invention relates to a liquid-crystalline medium which contains at least two polymerisable compounds or reactive mesogens (RM) and at least one compound selected from the group of compounds of the formula IIA, IIB and IIC, in which

Liquid crystalline medium

The present invention relates to a liquid crystal (LC) medium comprising polymerisable compounds, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, and to LC displays comprising it.

Liquid crystal medium containing polymerisable compounds

The present invention relates to liquid crystalline (LC) medium, to a method of its production and to the use of such LC media in polymer network liquid crystalline (PNLC) light modulation elements operated in the reverse mode. Furthermore, the present invention relates to such light modulation elements, as such, to the use of such light modulation elements as light shutters for transparent OLED displays, and to a method of production of such light modulation elements according to the present invention.

The present invention relates to a liquid crystal (LC) medium comprising a polymerizable compound, one or more compounds of formula Q, and one or more compounds of formula AN1 to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in an LC display of the polymer sustained alignment (PSA) type, and to an LC display, especially a PSA display, comprising it.

Liquid crystal medium

The present invention relates to a liquid crystal panel, a liquid crystal display device and to a liquid crystal medium having a negative dielectric anisotropy &#x394;&#x2208;.

Liquid crystal medium and liquid crystal display

The present invention relates to the use of LC (liquid-crystal) compounds and LC media comprising them in LC displays of the PS (polymer stabilized) or PSA (polymer sustained alignment) type.

Liquid-crystal display

The present invention relates to a liquid-crystalline medium, characterized in that it contains in which

The present invention relates to a liquid-crystalline medium, characterised in that it contains in which

The present invention relates to a liquid-crystalline medium, characterized in that it contains in whichR, rings Aand A, Z, Z, Y, Y, Xand r are as defined in Claim

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Hwaseong, South Korea

Dong-Mee Song