Merck Patent Gmbh

Merck Patent Gesellschaft MIT Beschrankter Haftung

Merck Patent Gesellschaft

Sharp Kabushiki Kaisha Corporation

Merck Patent Gesellschaft MIT Beschraenkter Haftung

Richard Harding

Shirley Ann Marden

Simon Greenfield

Alison Linda May

Ian Victor Edward Hassall

Owain Llyr Parri

Mark Andrew Verrall

Johan Lub

Kim Slaney

Ciska Doornkamp

Christopher John Dunn

Rick Hamilton

Matthias Bremer

Yuichi Inoue

Yohei Nakanishi

Kazutaka Hanaoka

Melanie Klasen-Memmer

Kazuaki Tarumi

Masakazu Shibasaki

Rene Theodorus Wegh

Karl Skjonnemand

Stephan Derow

Tara Perrett

Matthew Francis

Donald Gordon Graham

Janice McCreary

Julian Frederick Samuel Vaughan-Spickers

Andrew Ann Cumming

Mark Verall

Darren Brown

Julian Vaughn-Spickers

Tony Jenkins

Owain Llyrr Parri

René Theodorus Wegh

René Wegh

The invention relates to an alignment layer with improved adhesion to liquid crystal (LC) films, to a precursor material used for the preparation of such a layer, to a laminate comprising such a layer and at least one LC polymer film, and to the use of the alignment layer and the laminate for optical, electrooptical, decorative or security uses and devices, wherein the alignment layer and the precursor material comprise at least one reactive mesogen in monomeric, oligomeric or polymeric form.

Alignment layer with reactive mesogens for aligning liquid crystal molecules

The invention relates to an alignment layer for aligning liquid crystal molecules, with improved adhesion to liquid crystal (LC) films, to a composition containing a precursor material used for the preparation of such a layer, to a laminate comprising such a layer and at least one LC polymer film, and to the use of the alignment layer and the laminate for optical, electrooptical, decorative or security uses and devices, wherein the alignment layer and the precursor material comprise at least one reactive mesogen in monomeric, oligomeric or polymeric form.

The invention relates to an optically biaxial film comprising an anisotropic material with uniform helically twisted structure and a reflection wavelength below 400 nm, to methods and materials for its preparation, to its use as retardation or compensation film in optical devices like liquid crystal displays, and to compensators and liquid crystal displays comprising such a biaxial film.

Biaxial film II

The invention relates to a transflective liquid crystal display (LCD) with a polymerised LC film comprising at least one photoisomerisable compound and having a pattern of regions with different retardation and/or different orientation of the LC material.

Transflective LCD comprising a patterned retardation film

The invention relates to a transflective vertically aligned (VA) liquid crystal display (LCD) comprising a patterned quarter wave foil (QWF). The display () comprises, in a particular, front and back electrodes () provided on transparent substrates () and sandwiching a LC medium (), so as to define reflective () and transmissive sub-pixels (). The patterned QWF (), which is preferably provided inside the LC cell (in-cell application), has regions () which provide a defined retardation and cover the reflective sub-pixels (), and regions () having no on-axis retardation and covering the transmissive sub-pixels ().

Transflective vertically aligned liquid crystal display with in-cell patterned quarter-wave retarder

The invention relates to an optically biaxial film comprising an anisotropic material with deformed helically twisted structure and locally varying birefringence, to methods and materials for its preparation, to its uses as retardation or compensation film in optical devices like liquid crystal displays, and to compensators and liquid crystal displays comprising such a biaxial film.

Biaxial film having local birefringence that varies periodically

The invention relates to a liquid crystal (LC) material that aligns homeotropically on substrates with high or low surface energy.

LC material with homeotropic alignment

The invention relates to an optical film for use in a liquid crystal display that is positioned inside the liquid crystal cell of the display comprising the switchable liquid crystal material, and to an LCD comprising such a film.

Optical film inside a liquid crystal display

The invention relates to a polymerised liquid crystal (LC) film comprising at least one photoisomerisable compound and having a pattern of regions with different retardation and/or different orientation of the LC material, to methods of preparing such a film, and to its use as alignment layer, optical retardation film or optical waveguide in liquid crystal displays or other optical or electrooptical components or devices, or for decorative or security applications.

Polymerised liquid crystal film with retardation or orientation pattern

The invention relates to new polymerisable mesogenic or liquid crystalline compounds comprising a laterally substituted cinnamate group, to polymerisable mesogenic or liquid crystalline mixtures and anisotropic polymers prepared thereof, and to the use of the new compounds and the mixtures and polymers prepared thereof in optical and electrooptical devices, adhesives, synthetic resins with anisotropic mechanical properties, cosmetics, diagnostics, liquid crystal pigments, decorative and security applications, nonlinear optics, optical information storage, electronic devices like organic field effect transistors (FET or OFET), electroluminescent devices, or as chiral dopants.

Polymerisable cinnamates with lateral substitution

A liquid crystal display device produced through the steps of injecting a polymerizable monomer-containing liquid crystal composition between two substrates and, while applying a voltage between opposing transparent electrodes of the substrates, polymerizing the monomer, wherein the polymerizable monomer contained in the liquid crystal composition has one or more ring or condensed ring structures and functional groups bonded directly to the ring or condensed ring structure. The monomer is preferably represented by the following general formula:P-A-(Z-A)-Pwherein Pand Pare acrylates or the like, Aand Aare 1,4-phenylenes or the like, Zis &#x2014;COO&#x2014; or the like, and n is 0 to 2.

Liquid crystal display device

The invention relates to chiral photoisomerizable compounds of formula (I) wherein X, X, X, X, Xand Xhave the meanings given in claim, to liquid crystalline mixtures and polymers containing them, and to the use of chiral photoisomerizable compounds, liquid crystalline mixtures and polymers containing them in optical and electrooptical devices like liquid crystal displays or projection systems, in optical elements like polarizers, retardation films, compensators, color filters or holographic elements, in liquid crystal pigments and colored films or coatings for decorative or security applications, cosmetic and pharmaceutical compositions, in nonlinear optics and optical information storage.

Chiral photoisomerizable compounds

The invention relates to a polymerizable liquid crystal material containing at least one polymerizable surface-active compound, its use for the preparation of anisotropic polymer films, and the use of the liquid crystal material and the polymer films in optical and electrooptical devices, and for decorative and security applications.

Polymerizable liquid crystal material

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Hants, United Kingdom

Richard Harding